Datasets:

ammarnasr

/

the-stack-rust-clean

like 8

e54309b7b2dde556fd78a7fd4c375ddd7be5ddac

use crate::io::IoImpl; use std::time::Duration; /// A wrapper around time facilities provided to Laythe pub struct Time { time: Box<dyn TimeImpl>, } impl Default for Time { fn default() -> Self { Self { time: Box::new(TimeMock()), } } } impl Time { /// Create a new wrapper around time pub fn new(time: Box<dyn TimeImpl>) -> Self { Self { time } } /// Get a duration from the start of the vm startup pub fn elapsed(&self) -> Result<Duration, String> { self.time.elapsed() } } pub trait TimeImpl { fn elapsed(&self) -> Result<Duration, String>; } #[derive(Debug)] pub struct IoTimeMock(); impl IoImpl<Time> for IoTimeMock { fn make(&self) -> Time { Time::new(Box::new(TimeMock())) } } pub struct TimeMock(); impl TimeImpl for TimeMock { fn elapsed(&self) -> Result<Duration, String> { Ok(Duration::new(3, 14236)) } }

f5e53f84c16e6472dc4b39c3aca8a084cba288e7

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. fn main() { let x = 1 && 2; } //~^ ERROR mismatched types //~| ERROR mismatched types

48cf83c76e3cbc4301dff0fd5e270a626a0c45d4

use rkyv::{archived_root, Archive, Archived, Deserialize, Infallible}; use std::marker::PhantomData; /// A wrapper around a byte buffer `B` that denotes the bytes represent an [`Archived<T>`]. /// /// Note: This is not intended for use with archived structures that utilize shared memory like `ArchivedRc` and /// `ArchivedArc`. #[derive(Clone, Debug, Eq, PartialEq)] pub struct ArchivedBuf<T, B> { bytes: B, marker: PhantomData<T>, } impl<T, B> ArchivedBuf<T, B> where T: Archive, B: AsRef<[u8]>, { /// # Safety /// /// - `bytes` must faithfully represent an [`Archived<T>`] /// - the same constraints apply as if you were calling [`archived_root`] on `bytes` pub unsafe fn new(bytes: B) -> Self { Self { bytes, marker: PhantomData, } } pub fn deserialize(&self) -> T where T::Archived: Deserialize<T, Infallible>, { self.as_ref().deserialize(&mut Infallible).unwrap() } pub fn as_bytes(&self) -> &[u8] { self.bytes.as_ref() } pub fn take_bytes(self) -> B { self.bytes } } impl<T, B> AsRef<Archived<T>> for ArchivedBuf<T, B> where T: Archive, B: AsRef<[u8]>, { fn as_ref(&self) -> &Archived<T> { unsafe { archived_root::<T>(self.bytes.as_ref()) } } }

6a3d6a0efc697eb2215bf314d2458b3b9c413016

use std::fmt::Debug; use crate::magick_rust::MagickWand; use crate::Crop; // The general config of an image format. pub trait ImageConfig: Debug { fn is_remain_profile(&self) -> bool; fn get_width(&self) -> u16; fn get_height(&self) -> u16; fn get_crop(&self) -> Option<Crop>; fn get_sharpen(&self) -> f64; fn is_shrink_only(&self) -> bool; } // Compute an appropriate sharpen value for the resized image. pub(crate) fn compute_output_size_sharpen( mw: &MagickWand, config: &impl ImageConfig, ) -> (u16, u16, f64) { let original_width = mw.get_image_width() as u16; let original_height = mw.get_image_height() as u16; let (width, height) = compute_output_size( config.is_shrink_only(), original_width, original_height, config.get_width(), config.get_height(), ) .unwrap_or((original_width, original_height)); let mut adjusted_sharpen = config.get_sharpen(); if adjusted_sharpen < 0f64 { let origin_pixels = original_width as f64 * original_height as f64; let resize_pixels = width as f64 * height as f64; let resize_level = (resize_pixels / 5_000_000f64).sqrt(); let m; let n = if origin_pixels >= resize_pixels { m = origin_pixels; resize_pixels } else { m = resize_pixels; origin_pixels }; adjusted_sharpen = (resize_level * ((m - n) / m)).min(3f64); } (width, height, adjusted_sharpen) } #[inline] pub(crate) fn compute_output_size_if_different( mw: &MagickWand, config: &impl ImageConfig, ) -> Option<(u16, u16)> { compute_output_size( config.is_shrink_only(), mw.get_image_width() as u16, mw.get_image_height() as u16, config.get_width(), config.get_height(), ) } /// Compute the output size. If it returns `None`, the size remains the same. pub fn compute_output_size( shrink_only: bool, input_width: u16, input_height: u16, max_width: u16, max_height: u16, ) -> Option<(u16, u16)> { let mut width = max_width; let mut height = max_height; if shrink_only { if width == 0 || width > input_width { width = input_width; } if height == 0 || height > input_height { height = input_height; } } else { if width == 0 { width = input_width; } if height == 0 { height = input_height; } } if width == input_width && height == input_height { return None; } let input_width_f64 = f64::from(input_width); let input_height_f64 = f64::from(input_height); let width_f64 = f64::from(width); let height_f64 = f64::from(height); let ratio = input_width_f64 / input_height_f64; let wr = input_width_f64 / width_f64; let hr = input_height_f64 / height_f64; if wr >= hr { height = (width_f64 / ratio).round() as u16; } else { width = (height_f64 * ratio).round() as u16; } Some((width, height)) }

db76e39036452539959378e456206c748f09a0a9

use crossbeam_channel::{self, Receiver, Sender, SendError}; use hdfs_comm::protos::hdfs::DatanodeIdProto; use shared::NahFSError; use shared::protos::BlockMetadataProto; use crate::index::IndexStore; use std::sync::{Arc, RwLock}; use std::thread::JoinHandle; static INDEXED_MASK: u64 = 18446744004990074880; pub enum Operation { INDEX, WRITE, TRANSFER, } pub struct BlockOperation { operation: Operation, pub bm_proto: BlockMetadataProto, pub data: Vec<u8>, pub replicas: Vec<DatanodeIdProto>, } impl BlockOperation { pub fn new(operation: Operation, bm_proto: BlockMetadataProto, data: Vec<u8>, replicas: Vec<DatanodeIdProto>) -> BlockOperation { BlockOperation { operation: operation, bm_proto: bm_proto, data: data, replicas: replicas, } } } pub struct BlockProcessor { index_store: Arc<RwLock<IndexStore>>, thread_count: u8, data_directory: String, datanode_id: String, namenode_ip_address: String, namenode_port: u16, operation_channel: (Sender<BlockOperation>, Receiver<BlockOperation>), shutdown_channel: (Sender<bool>, Receiver<bool>), join_handles: Vec<JoinHandle<()>>, } impl BlockProcessor { pub fn new(index_store: Arc<RwLock<IndexStore>>, thread_count: u8, queue_length: u8, data_directory: String, datanode_id: String, namenode_ip_address: String, namenode_port: u16) -> BlockProcessor { BlockProcessor { index_store: index_store, thread_count: thread_count, data_directory: data_directory, datanode_id: datanode_id, namenode_ip_address: namenode_ip_address, namenode_port: namenode_port, operation_channel: crossbeam_channel ::bounded(queue_length as usize), shutdown_channel: crossbeam_channel::unbounded(), join_handles: Vec::new(), } } pub fn add_index(&self, bm_proto: BlockMetadataProto, data: Vec<u8>, replicas: Vec<DatanodeIdProto>) -> Result<(), SendError<BlockOperation>> { let block_op = BlockOperation::new(Operation::INDEX, bm_proto, data, replicas); self.operation_channel.0.send(block_op) } pub fn add_write(&self, bm_proto: BlockMetadataProto, data: Vec<u8>, replicas: Vec<DatanodeIdProto>) -> Result<(), SendError<BlockOperation>> { let block_op = BlockOperation::new(Operation::WRITE, bm_proto, data, replicas); self.operation_channel.0.send(block_op) } pub fn read(&self, block_id: u64, offset: u64, buf: &mut [u8]) -> Result<(), NahFSError> { super::read_block(block_id, offset, &self.data_directory, buf) } pub fn read_indexed(&self, block_id: u64, geohashes: &Vec<u8>, offset: u64, buf: &mut [u8]) -> Result<(), NahFSError> { super::read_indexed_block(block_id, geohashes, offset, &self.data_directory, buf) } pub fn start(&mut self) -> Result<(), NahFSError> { for _ in 0..self.thread_count { // clone variables let index_store_clone = self.index_store.clone(); let data_directory_clone = self.data_directory.clone(); let datanode_id_clone = self.datanode_id.clone(); let namenode_ip_address_clone = self.namenode_ip_address.clone(); let namenode_port_clone = self.namenode_port.clone(); let operation_sender = self.operation_channel.0.clone(); let operation_receiver = self.operation_channel.1.clone(); let shutdown_receiver = self.shutdown_channel.1.clone(); let join_handle = std::thread::spawn(move || { process_loop(index_store_clone, &operation_sender, &operation_receiver, &shutdown_receiver, &data_directory_clone, &datanode_id_clone, &namenode_ip_address_clone, namenode_port_clone); }); self.join_handles.push(join_handle); } Ok(()) } /* // TODO - unused pub fn stop(mut self) { // send shutdown messages for _ in 0..self.join_handles.len() { self.shutdown_channel.0.send(true).unwrap(); } // join threads while self.join_handles.len() != 0 { let join_handle = self.join_handles.pop().unwrap(); join_handle.join().unwrap(); } }*/ } fn process_loop(index_store: Arc<RwLock<IndexStore>>, operation_sender: &Sender<BlockOperation>, operation_receiver: &Receiver<BlockOperation>, shutdown_receiver: &Receiver<bool>, data_directory: &str, datanode_id: &str, namenode_ip_address: &str, namenode_port: u16) { loop { select! { recv(operation_receiver) -> result => { // read block operation if let Err(e) = result { error!("recv block operation: {}", e); continue; } // process block operation let mut block_op = result.unwrap(); let process_result = match (&block_op.operation, &block_op.bm_proto.index) { (Operation::INDEX, _) => index_block(&index_store, &mut block_op), (Operation::WRITE, _) => super::write_block(&block_op.data, &block_op.bm_proto, &data_directory), (Operation::TRANSFER, None) => super::transfer_block(&block_op.data, &block_op.replicas, &block_op.bm_proto), (Operation::TRANSFER, Some(_)) => super::transfer_indexed_block(&block_op.data, &block_op.bm_proto, &datanode_id, block_op.replicas.len() as u32, &namenode_ip_address, namenode_port), }; // check for error if let Err(e) = process_result { error!("processing block: {}", e); continue; } // send block operation to next stage let send_result = match block_op.operation { Operation::INDEX => { block_op.operation = Operation::WRITE; operation_sender.send(block_op) }, Operation::WRITE => { if block_op.replicas.len() != 0 { block_op.operation = Operation::TRANSFER; operation_sender.send(block_op) } else { Ok(()) } }, Operation::TRANSFER => Ok(()), }; // check for error if let Err(e) = send_result { error!("sending processed block: {}", e); continue; } }, recv(shutdown_receiver) -> _ => break, } } } fn index_block(index_store: &Arc<RwLock<IndexStore>>, block_op: &mut BlockOperation) -> Result<(), NahFSError> { // parse storage_policy_id and get Indexer let storage_policy_id = block_op.bm_proto.block_id as u32; let available = { let index_store = index_store.read().unwrap(); index_store.contains_index(&storage_policy_id) }; if !available { let mut index_store = index_store.write().unwrap(); index_store.retrieve_index(&storage_policy_id)?; } // retrieve indexer let index_store = index_store.read().unwrap(); let indexer = index_store.get_index(&storage_policy_id).unwrap(); // index block let (indexed_data, bi_proto) = indexer.process(&block_op.data, &block_op.bm_proto)?; // update BlockOperation block_op.bm_proto.block_id = block_op.bm_proto.block_id & INDEXED_MASK; block_op.bm_proto.index = Some(bi_proto); block_op.bm_proto.length = indexed_data.len() as u64; block_op.data = indexed_data; Ok(()) }

8700749f81fc7dd12a7a040ce5e08b0753d19205

const THRESHOLD: i32 = 120; pub struct ScrollAccum { x: i32, y: i32, } impl Default for ScrollAccum { fn default() -> Self { Self { x: 0, y: 0 } } } impl ScrollAccum { pub fn accumulate(&mut self, x: i32, y: i32) -> (i32, i32) { self.x += x; self.y += y; let result = (self.x / THRESHOLD, self.y / THRESHOLD); self.x %= THRESHOLD; self.y %= THRESHOLD; result } }

382f73f48e1fed1ada89b8a0891e8dcd0c783ee3

use crate::util::SendSyncError as Error; use serde::{Deserialize, Serialize}; use serde_with::{serde_as, DisplayFromStr}; use serenity::{ model::id::{ChannelId, RoleId}, prelude::{RwLock, TypeMapKey}, }; use std::{ collections::{HashMap, HashSet}, fs::File, sync::Arc, }; #[serde_as] #[derive(Default, Clone, PartialEq, Eq, Serialize, Deserialize)] pub struct Config { #[serde(default)] allowed_channels: HashSet<ChannelId>, #[serde(default)] greet_channel: Option<ChannelId>, #[serde(default)] greet_message: Option<String>, #[serde(default)] log_channel: Option<ChannelId>, #[serde(default)] #[serde_as(as = "HashMap<DisplayFromStr, _>")] user_groups: HashMap<RoleId, String>, #[serde(default)] mute_role: Option<RoleId>, } const CONFIG: &str = "config.json"; impl Config { fn serialize(&self) -> Result<(), Error> { serde_json::to_writer(File::create(CONFIG)?, self).map_err(|e| e.into()) } pub fn new() -> Result<Self, Error> { serde_json::from_reader(File::open(CONFIG)?).map_err(|e| e.into()) } pub fn add_allowed_channel(&mut self, ch: ChannelId) -> Result<(), Error> { self.allowed_channels.insert(ch); Config::serialize(self) } pub fn channel_is_allowed(&self, ch: ChannelId) -> bool { self.allowed_channels.contains(&ch) } pub fn allowed_channels(&self) -> impl Iterator<Item = &ChannelId> { self.allowed_channels.iter() } pub fn remove_allowed_channel(&mut self, ch: ChannelId) -> Result<(), Error> { self.allowed_channels.remove(&ch); Config::serialize(self) } pub fn greet_channel(&self) -> Option<ChannelId> { self.greet_channel } pub fn set_greet_channel( &mut self, greet_channel: ChannelId, msg: Option<String>, ) -> Result<(), Error> { if let Some(msg) = msg.or_else(|| self.greet_message.take()) { self.greet_message = Some(msg); self.greet_channel = Some(greet_channel); Config::serialize(self) } else { Err("Provide a greeting for the channel".into()) } } pub fn remove_greet_channel(&mut self) -> Result<(), Error> { self.greet_channel = None; Config::serialize(self) } pub fn greet_channel_message(&self) -> Option<&str> { self.greet_message.as_ref().map(|s| s.as_str()) } pub fn set_log_channel(&mut self, ch: Option<ChannelId>) -> Result<(), Error> { self.log_channel = ch; Config::serialize(self) } pub fn log_channel(&self) -> Option<ChannelId> { self.log_channel } pub fn add_user_group(&mut self, ch: RoleId, desc: String) -> Result<(), Error> { self.user_groups.insert(ch, desc); Config::serialize(self) } pub fn user_group_exists(&self, ch: RoleId) -> bool { self.user_groups.contains_key(&ch) } pub fn user_groups(&self) -> impl Iterator<Item = (&RoleId, &str)> { self.user_groups.iter().map(|(r, s)| (r, s.as_str())) } pub fn remove_user_group(&mut self, ch: RoleId) -> Result<(), Error> { self.user_groups.remove(&ch); Config::serialize(self) } pub fn get_mute_role(&self) -> Option<RoleId> { self.mute_role } pub fn set_mute_role(&mut self, rl: RoleId) -> Result<(), Error> { self.mute_role = Some(rl); Config::serialize(self) } } impl TypeMapKey for Config { type Value = Arc<RwLock<Config>>; }

b94af23c630b5cd10991beae7049e5fc534a47bc

use std::io::Write; use std::io::{ErrorKind, Read}; use std::ops::Range; use crate::errors::RuntimeError; use crate::ir::ops::{LoopDecrement, Op, OpType}; use crate::parser::Program; const MAX_HEAP_SIZE: usize = 16 * 1024 * 1024; /// Interpreter to execute a program pub struct Interpreter<R: Read, W: Write> { max_heap_size: usize, pub(crate) heap: Vec<u8>, pointer: usize, input: R, output: W, } impl<R: Read, W: Write> Interpreter<R, W> { /// Create a default interpreter pub fn new(input: R, output: W) -> Interpreter<R, W> { Interpreter { max_heap_size: MAX_HEAP_SIZE, heap: vec![0; 1024], pointer: 0, input, output, } } /// Execute program pub fn execute(&mut self, program: &Program) -> Result<(), RuntimeError> { self.execute_ops(&program.ops) } fn execute_ops(&mut self, ops: &[Op]) -> Result<(), RuntimeError> { for op in ops { self.execute_op(op)?; } Ok(()) } fn execute_op(&mut self, op: &Op) -> Result<(), RuntimeError> { match &op.op_type { OpType::Start => { // ignore } OpType::IncPtr(count) => self.pointer = self.pointer.wrapping_add(*count), OpType::DecPtr(count) => self.pointer = self.pointer.wrapping_sub(*count), OpType::Inc(offset, count) => { let value = self.heap_value_at_offset(&op.span, *offset)?; *value = value.wrapping_add(*count); } OpType::Dec(offset, count) => { let value = self.heap_value_at_offset(&op.span, *offset)?; *value = value.wrapping_sub(*count); } OpType::Set(offset, value) => *self.heap_value_at_offset(&op.span, *offset)? = *value, OpType::Add(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_add(source.wrapping_mul(*multi)); *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::NzAdd(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_add(source.wrapping_mul(*multi)); } OpType::CAdd(src_offset, dest_offset, value) => { let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_add(*value); *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::NzCAdd(_src_offset, dest_offset, value) => { let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_add(*value); } OpType::Sub(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_sub(source.wrapping_mul(*multi)); *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::NzSub(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_sub(source.wrapping_mul(*multi)); } OpType::CSub(src_offset, dest_offset, value) => { let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_sub(*value); *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::NzCSub(_src_offset, dest_offset, value) => { let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = target.wrapping_sub(*value); } OpType::Mul(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = source.wrapping_mul(*multi); *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::NzMul(src_offset, dest_offset, multi) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = source.wrapping_mul(*multi); } OpType::Move(src_offset, dest_offset) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = source; *self.heap_value_at_offset(&op.span, *src_offset)? = 0; } OpType::Copy(src_offset, dest_offset) => { let source = *self.heap_value_at_offset(&op.span, *src_offset)?; let target = self.heap_value_at_offset(&op.span, *dest_offset)?; *target = source; } OpType::GetChar(offset) => self.get_char(&op.span, *offset)?, OpType::PutChar(offset) => self.put_char(&op.span, *offset)?, OpType::PutString(array) => self.put_string(&op.span, array)?, OpType::DLoop(ops, _) => { while *self.heap_value(&op.span)? > 0 { self.execute_ops(ops)?; } } OpType::LLoop(ops, _) => { let heap_pointer = self.pointer; while *self.heap_value(&op.span)? > 0 { self.execute_ops(ops)?; self.pointer = heap_pointer; } } OpType::ILoop(ops, step, decrement, _) => match decrement { LoopDecrement::Pre => { let heap_pointer = self.pointer; let mut left = *self.heap_value(&op.span)?; while left > 0 { left = left.wrapping_sub(*step); *self.heap_value(&op.span)? = left; self.execute_ops(ops)?; self.pointer = heap_pointer; } *self.heap_value(&op.span)? = 0; } LoopDecrement::Post => { let heap_pointer = self.pointer; let mut left = *self.heap_value(&op.span)?; while left > 0 { self.execute_ops(ops)?; left = left.wrapping_sub(*step); *self.heap_value(&op.span)? = left; self.pointer = heap_pointer; } *self.heap_value(&op.span)? = 0; } LoopDecrement::Auto => { let heap_pointer = self.pointer; let mut left = *self.heap_value(&op.span)?; while left > 0 { self.execute_ops(ops)?; left = left.wrapping_sub(*step); self.pointer = heap_pointer; } *self.heap_value(&op.span)? = 0; } }, OpType::CLoop(ops, iterations, decrement, _) => match decrement { LoopDecrement::Pre => { let heap_pointer = self.pointer; *self.heap_value(&op.span)? = *iterations; let mut left = *self.heap_value(&op.span)?; while left > 0 { left = left.wrapping_sub(1); *self.heap_value(&op.span)? = left; self.execute_ops(ops)?; self.pointer = heap_pointer; } *self.heap_value(&op.span)? = 0; } LoopDecrement::Post => { let heap_pointer = self.pointer; *self.heap_value(&op.span)? = *iterations; let mut left = *self.heap_value(&op.span)?; while left > 0 { self.execute_ops(ops)?; self.pointer = heap_pointer; left = left.wrapping_sub(1); *self.heap_value(&op.span)? = left; } *self.heap_value(&op.span)? = 0; } LoopDecrement::Auto => { let heap_pointer = self.pointer; for _ in 0..*iterations { self.execute_ops(ops)?; self.pointer = heap_pointer; } *self.heap_value(&op.span)? = 0; } }, OpType::TNz(ops, _) => { if *self.heap_value(&op.span)? != 0 { let heap_pointer = self.pointer; self.execute_ops(ops)?; self.pointer = heap_pointer; *self.heap_value(&op.span)? = 0; } } OpType::DTNz(ops, _, _) => { if *self.heap_value(&op.span)? > 0 { self.execute_ops(ops)?; } } OpType::SearchZero(step, _) => { let mut pointer = self.pointer as isize; loop { let value = self.heap_value_at(&op.span, pointer)?; if *value == 0 { break; } pointer += step; } self.pointer = pointer as usize; } } Ok(()) } fn heap_value(&mut self, span: &Range<usize>) -> Result<&mut u8, RuntimeError> { if self.pointer >= self.max_heap_size { return Err(RuntimeError::MaxHeapSizeReached { span: span.clone(), max_heap_size: self.max_heap_size, required: self.pointer.saturating_add(1), }); } while self.pointer > self.heap.len() - 1 { self.heap.push(0); } Ok(&mut self.heap[self.pointer]) } fn heap_value_at( &mut self, span: &Range<usize>, pointer: isize, ) -> Result<&mut u8, RuntimeError> { let pointer = pointer.max(0) as usize; if pointer >= self.max_heap_size { return Err(RuntimeError::MaxHeapSizeReached { span: span.clone(), max_heap_size: self.max_heap_size, required: self.pointer.saturating_add(1), }); } while pointer > self.heap.len() - 1 { self.heap.push(0); } Ok(&mut self.heap[pointer]) } fn heap_value_at_offset( &mut self, span: &Range<usize>, ptr_offset: isize, ) -> Result<&mut u8, RuntimeError> { let pointer = self.pointer as isize + ptr_offset; let pointer = pointer.max(0) as usize; if pointer >= self.max_heap_size { return Err(RuntimeError::MaxHeapSizeReached { span: span.clone(), max_heap_size: self.max_heap_size, required: self.pointer.saturating_add(1), }); } while pointer > self.heap.len() - 1 { self.heap.push(0); } Ok(&mut self.heap[pointer]) } fn get_char(&mut self, span: &Range<usize>, offset: isize) -> Result<(), RuntimeError> { let mut buf = [0]; if let Err(error) = self.input.read_exact(&mut buf) { // In case of EOF the system will read 0 as a fallback if error.kind() != ErrorKind::UnexpectedEof { return Err(RuntimeError::IoError { span: span.clone(), error, }); } }; *self.heap_value_at_offset(span, offset)? = buf[0]; Ok(()) } fn put_char(&mut self, span: &Range<usize>, offset: isize) -> Result<(), RuntimeError> { let ch = *self.heap_value_at_offset(span, offset)?; if ch.is_ascii() { write!(self.output, "{}", ch as char) } else { write!(self.output, "\\0x{:x}", ch) } .map_err(|error| RuntimeError::IoError { span: span.clone(), error, }) } fn put_string(&mut self, span: &Range<usize>, array: &[u8]) -> Result<(), RuntimeError> { for &ch in array { if ch.is_ascii() { write!(self.output, "{}", ch as char) } else { write!(self.output, "\\0x{:x}", ch) } .map_err(|error| RuntimeError::IoError { span: span.clone(), error, })?; } Ok(()) } } #[cfg(test)] mod tests { use std::io::Cursor; use crate::backends::interpreter::Interpreter; use crate::ir::ops::{LoopDecrement, Op}; use crate::ir::opt_info::BlockInfo; use crate::parser::parse; use crate::{optimize_with_config, OptimizeConfig, Program}; #[test] fn test_out_1() { let mut program = parse(">+.").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"\x01"); } #[test] fn test_out_b() { let mut program = parse(",++.").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b"a"; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"c"); } #[test] fn test_loop() { let mut program = parse("+++[>+<-]>.").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"\x03"); } #[test] fn test_hello_world() { let mut program = parse( " >+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-] >++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++ .------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.", ) .unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"Hello world!\n"); } #[test] fn test_hello_world_v2() { let mut program = parse(include_str!("../../../test_programs/hello_world.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"Hello World!\n"); } #[test] fn test_count_loop() { let mut program = parse("++++[->++<]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 8); } #[test] fn test_count_loop_inv() { let mut program = parse("++++[->++<]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 8); } #[test] fn test_totally_empty() { let mut program = parse("").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); } #[test] fn test_optimized_empty() { let mut program = parse("[>+++++<-]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); } #[test] fn test_multiply() { let mut program = parse(">>++<<++[>+++++<-]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 10); } #[test] fn test_divide() { let mut program = parse(">>++<<++++++++++++[>+<---]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 4); } #[test] fn test_pow_5_3() { let mut program = parse("+++++[>+++++[>+++++<-]<-]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 0); assert_eq!(interpreter.heap[2], 125); } #[test] fn test_bad_count_loop() { let mut program = parse("++++++++[---->+<++]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 4); } #[test] fn test_conditional_set() { let mut program = parse("+>>++<<[->[-]++++++<]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 6); assert_eq!(interpreter.heap[2], 2); } #[test] fn test_overwrite_prev_set() { let mut program = parse("++++[-]++").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 2); } #[test] fn test_hello_fizz() { let mut program = parse(include_str!("../../../test_programs/fizz.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"1W\n"); } #[test] fn test_hello_fizzbuzz() { let mut program = parse(include_str!("../../../test_programs/fizzbuzz.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"987654321"); } #[test] fn test_bottles() { let mut program = parse(include_str!("../../../test_programs/bottles.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!( output, include_bytes!("../../../test_programs/bottles.bf.out") ); } #[test] fn test_factor() { let mut program = parse(include_str!("../../../test_programs/factor.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = include_bytes!("../../../test_programs/factor.bf.in"); let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!( output, include_bytes!("../../../test_programs/factor.bf.out") ); } #[test] fn test_life() { let mut program = parse(include_str!("../../../test_programs/life.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = include_bytes!("../../../test_programs/life.bf.in"); let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, include_bytes!("../../../test_programs/life.bf.out")); } #[test] fn test_test_io() { let mut program = parse(",[.,]").unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b"0123456789aZ"; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"0123456789aZ"); } #[test] fn test_cell_size() { let mut program = parse(include_str!("../../../test_programs/cell_size.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = b""; let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!(output, b"8 bit cells\n"); } #[test] fn test_awib() { let mut program = parse(include_str!("../../../test_programs/awib.bf")).unwrap(); optimize_with_config(&mut program, &OptimizeConfig::o3()); let input = include_bytes!("../../../test_programs/mandelbrot.bf"); let mut output = Vec::new(); Interpreter::new(Cursor::new(input), &mut output) .execute(&program) .unwrap(); assert_eq!( output, include_bytes!("../../../test_programs/mandelbrot.c") ); } #[test] fn test_i_loop_pre() { let program = Program { ops: vec![ Op::set(0..1, 5), Op::i_loop_with_decrement( 1..4, vec![ Op::inc_ptr(1..2, 1), Op::inc(1..2, 1), Op::dec_ptr(1..2, 1), Op::put_char(1..2), ], 1, LoopDecrement::Pre, BlockInfo::new_empty(), ), ], }; let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 5); assert_eq!(&output, &[4, 3, 2, 1, 0]); } #[test] fn test_i_loop_post() { let program = Program { ops: vec![ Op::set(0..1, 5), Op::i_loop_with_decrement( 1..4, vec![Op::put_char(1..2)], 1, LoopDecrement::Post, BlockInfo::new_empty(), ), ], }; let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(&output, &[5, 4, 3, 2, 1]); } #[test] fn test_c_loop_pre() { let program = Program { ops: vec![Op::c_loop_with_decrement( 1..4, vec![ Op::inc_ptr(1..2, 1), Op::inc(1..2, 1), Op::dec_ptr(1..2, 1), Op::put_char(1..2), ], 5, LoopDecrement::Pre, BlockInfo::new_empty(), )], }; let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(interpreter.heap[1], 5); assert_eq!(&output, &[4, 3, 2, 1, 0]); } #[test] fn test_c_loop_post() { let program = Program { ops: vec![Op::c_loop_with_decrement( 1..4, vec![Op::put_char(1..2)], 5, LoopDecrement::Post, BlockInfo::new_empty(), )], }; let input = b""; let mut output = Vec::new(); let mut interpreter = Interpreter::new(Cursor::new(input), &mut output); interpreter.execute(&program).unwrap(); assert_eq!(interpreter.heap[0], 0); assert_eq!(&output, &[5, 4, 3, 2, 1]); } }

5013c4ebc74015db11951afa7a02fbe4d7a7b6f1

pub mod io; pub use io::MidiIn; pub mod msg; pub use msg::Msg; pub mod port; pub use port::{PortNb, Ports};

eb9336ceb1534d0930f9573884b881e63197f23e

/// 初項 `a`, 項数 `n`, 公差 `d` の等差数列の和を求めます。 /// /// # Panics /// if `n` is negative or zero. /// /// # Examples /// ``` /// use arithmetic_series::arithmetic_series; /// /// // 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 /// assert_eq!(arithmetic_series(1, 10, 1), Some(55)); /// // 1 + 3 + 5 + 7 + 9 /// assert_eq!(arithmetic_series(1, 5, 2), Some(25)); /// // 5 + 2 + (-1) + (-4) + (-7) + (-10) /// assert_eq!(arithmetic_series(5, 6, -3), Some(-15)); /// ``` pub fn arithmetic_series<T: Int>(a: T, n: T, d: T) -> Option<T> { assert!(n.is_positive()); let last = d.checked_mul(n.decrement())?.checked_add(a)?; a.checked_add(last)?.checked_mul(n)?.checked_div(T::two()) } pub trait Int: Copy + Ord { fn is_positive(self) -> bool; fn decrement(self) -> Self; fn checked_add(self, rhs: Self) -> Option<Self>; fn checked_mul(self, rhs: Self) -> Option<Self>; fn checked_div(self, rhs: Self) -> Option<Self>; fn two() -> Self; } macro_rules! impl_int { ($($t:ty),+) => { $( impl Int for $t { fn is_positive(self) -> bool { self >= 1 } fn decrement(self) -> Self { self - 1 } fn checked_add(self, rhs: Self) -> Option<Self> { self.checked_add(rhs) } fn checked_mul(self, rhs: Self) -> Option<Self> { self.checked_mul(rhs) } fn checked_div(self, rhs: Self) -> Option<Self> { self.checked_div(rhs) } fn two() -> Self { 2 } } )+ }; } impl_int!(i32, i64, u32, u64, usize); #[cfg(test)] mod tests { use crate::arithmetic_series; #[test] fn test_sum_of_1_2_3_to_10() { assert_eq!(arithmetic_series(1, 10, 1), Some(55)); } #[test] fn test_single() { assert_eq!(arithmetic_series(42, 1, 3), Some(42)); } #[test] fn test_decrease_sequence() { assert_eq!( arithmetic_series(8, 6, -3), Some(8 + 5 + 2 + (-1) + (-4) + (-7)) ); } #[test] fn test_too_large() { assert_eq!(arithmetic_series(1, std::i64::MAX, 1), None); } #[test] #[should_panic] fn test_empty() { arithmetic_series(42, 0, 3); } #[test] #[should_panic] fn test_negative_length() { arithmetic_series(42, -4, 3); } }

33a1669c44fb0229f928147bbe79909eee321d75

use crate::protocol::util; // use serde::Serialize; /// ID of the value type of a database column or a parameter. #[derive(Clone, Copy, Debug, Eq, PartialEq, Serialize)] pub enum TypeId { /// For database type TINYINT; /// used with [`HdbValue::TINYINT`](crate::HdbValue::TINYINT). TINYINT = 1, /// For database type SMALLINT; /// used with [`HdbValue::SMALLINT`](crate::HdbValue::SMALLINT). SMALLINT = 2, /// For database type INT; /// used with [`HdbValue::INT`](crate::HdbValue::INT). INT = 3, /// For database type BIGINT; /// used with [`HdbValue::BIGINT`](crate::HdbValue::BIGINT). BIGINT = 4, /// For database type DECIMAL and SMALLDECIMAL; /// used with [`HdbValue::DECIMAL`](crate::HdbValue::DECIMAL). DECIMAL = 5, /// For database type REAL; /// used with [`HdbValue::REAL`](crate::HdbValue::REAL). REAL = 6, /// For database type DOUBLE; /// used with [`HdbValue::DOUBLE`](crate::HdbValue::DOUBLE). DOUBLE = 7, /// For database type CHAR; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). CHAR = 8, /// For database type VARCHAR; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). VARCHAR = 9, /// For database type NCHAR; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). NCHAR = 10, /// For database type NVARCHAR; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). NVARCHAR = 11, /// For database type BINARY; /// used with [`HdbValue::BINARY`](crate::HdbValue::BINARY). BINARY = 12, /// For database type VARBINARY; /// used with [`HdbValue::BINARY`](crate::HdbValue::BINARY). VARBINARY = 13, /// For database type CLOB; /// used with [`HdbValue::CLOB`](crate::HdbValue::CLOB). CLOB = 25, /// For database type NCLOB; /// used with [`HdbValue::NCLOB`](crate::HdbValue::NCLOB). NCLOB = 26, /// For database type BLOB; /// used with [`HdbValue::BLOB`](crate::HdbValue::BLOB). BLOB = 27, /// For database type BOOLEAN; /// used with [`HdbValue::BOOLEAN`](crate::HdbValue::BOOLEAN). BOOLEAN = 28, /// For database type STRING; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). STRING = 29, /// For database type NSTRING; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). NSTRING = 30, /// Maps to [`HdbValue::BINARY`](crate::HdbValue::BINARY) /// or [`HdbValue::BLOB`](crate::HdbValue::BLOB). BLOCATOR = 31, /// Used with [`HdbValue::BINARY`](crate::HdbValue::BINARY). BSTRING = 33, /// For database type TEXT. TEXT = 51, /// For database type SHORTTEXT; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). SHORTTEXT = 52, /// For database type BINTEXT; /// Used with [`HdbValue::BINARY`](crate::HdbValue::BINARY) or /// [`HdbValue::BLOB`](crate::HdbValue::BLOB). BINTEXT = 53, /// For database type ALPHANUM; /// used with [`HdbValue::STRING`](crate::HdbValue::STRING). ALPHANUM = 55, /// For database type LONGDATE; /// used with [`HdbValue::LONGDATE`](crate::HdbValue::LONGDATE). LONGDATE = 61, /// For database type SECONDDATE; /// used with [`HdbValue::SECONDDATE`](crate::HdbValue::SECONDDATE). SECONDDATE = 62, /// For database type DAYDATE; /// used with [`HdbValue::DAYDATE`](crate::HdbValue::DAYDATE). DAYDATE = 63, /// For database type SECONDTIME; /// used with [`HdbValue::SECONDTIME`](crate::HdbValue::SECONDTIME). SECONDTIME = 64, /// For database type GEOMETRY; /// used with [`HdbValue::GEOMETRY`](crate::HdbValue::GEOMETRY). GEOMETRY = 74, /// For database type POINT; /// used with [`HdbValue::POINT`](crate::HdbValue::POINT). POINT = 75, /// Transport format for database type DECIMAL; /// used with [`HdbValue::DECIMAL`](crate::HdbValue::DECIMAL). FIXED8 = 81, /// Transport format for database type DECIMAL; /// used with [`HdbValue::DECIMAL`](crate::HdbValue::DECIMAL). FIXED12 = 82, /// Transport format for database type DECIMAL; /// used with [`HdbValue::DECIMAL`](crate::HdbValue::DECIMAL). FIXED16 = 76, } impl TypeId { pub(crate) fn try_new(id: u8) -> std::io::Result<Self> { Ok(match id { 1 => Self::TINYINT, 2 => Self::SMALLINT, 3 => Self::INT, 4 => Self::BIGINT, 5 => Self::DECIMAL, 6 => Self::REAL, 7 => Self::DOUBLE, 8 => Self::CHAR, 9 => Self::VARCHAR, 10 => Self::NCHAR, 11 => Self::NVARCHAR, 12 => Self::BINARY, 13 => Self::VARBINARY, // DATE: 14, TIME: 15, TIMESTAMP: 16 (all deprecated with protocol version 3) // 17 - 24: reserved, do not use 25 => Self::CLOB, 26 => Self::NCLOB, 27 => Self::BLOB, 28 => Self::BOOLEAN, 29 => Self::STRING, 30 => Self::NSTRING, 31 => Self::BLOCATOR, // 32 => Self::NLOCATOR, 33 => Self::BSTRING, // 34 - 46: docu unclear, likely unused // 47 => SMALLDECIMAL not needed on client-side // 48, 49: ABAP only? // ARRAY: 50 TODO not yet implemented 51 => Self::TEXT, 52 => Self::SHORTTEXT, 53 => Self::BINTEXT, // 54: Reserved, do not use 55 => Self::ALPHANUM, // 56: Reserved, do not use // 57 - 60: not documented 61 => Self::LONGDATE, 62 => Self::SECONDDATE, 63 => Self::DAYDATE, 64 => Self::SECONDTIME, // 65 - 80: Reserved, do not use // TypeCode_CLOCATOR =70, // TODO // TypeCode_BLOB_DISK_RESERVED =71, // TypeCode_CLOB_DISK_RESERVED =72, // TypeCode_NCLOB_DISK_RESERVE =73, 74 => Self::GEOMETRY, 75 => Self::POINT, 76 => Self::FIXED16, // TypeCode_ABAP_ITAB =77, // TODO // TypeCode_RECORD_ROW_STORE = 78, // TODO // TypeCode_RECORD_COLUMN_STORE = 79, // TODO 81 => Self::FIXED8, 82 => Self::FIXED12, // TypeCode_CIPHERTEXT = 90, // TODO tc => return Err(util::io_error(format!("Illegal type code {}", tc))), }) } // hdb protocol uses ids < 128 for non-null values, and ids > 128 for nullable values pub(crate) fn type_code(self, nullable: bool) -> u8 { (if nullable { 128 } else { 0 }) + self as u8 } pub(crate) fn matches_value_type(self, value_type: Self) -> std::io::Result<()> { if value_type == self { return Ok(()); } // From To Conversions #[allow(clippy::match_same_arms)] match (value_type, self) { (Self::BOOLEAN, Self::TINYINT | Self::SMALLINT | Self::INT | Self::BIGINT) => { return Ok(()) } // no clear strategy for GEO stuff yet, so be restrictive (Self::STRING, Self::GEOMETRY | Self::POINT) => {} (Self::STRING, _) => return Ok(()), // Allow all other cases ( Self::BINARY, Self::BLOB | Self::BLOCATOR | Self::VARBINARY | Self::GEOMETRY | Self::POINT, ) | (Self::DECIMAL, Self::FIXED8 | Self::FIXED12 | Self::FIXED16) => return Ok(()), _ => {} } Err(util::io_error(format!( "value type id {:?} does not match metadata {:?}", value_type, self ))) } } impl std::fmt::Display for TypeId { fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result { write!( fmt, "{}", match self { Self::TINYINT => "TINYINT", Self::SMALLINT => "SMALLINT", Self::INT => "INT", Self::BIGINT => "BIGINT", Self::DECIMAL => "DECIMAL", Self::REAL => "REAL", Self::DOUBLE => "DOUBLE", Self::CHAR => "CHAR", Self::VARCHAR => "VARCHAR", Self::NCHAR => "NCHAR", Self::NVARCHAR => "NVARCHAR", Self::BINARY => "BINARY", Self::VARBINARY => "VARBINARY", Self::CLOB => "CLOB", Self::NCLOB => "NCLOB", Self::BLOB => "BLOB", Self::BOOLEAN => "BOOLEAN", Self::STRING => "STRING", Self::NSTRING => "NSTRING", Self::BLOCATOR => "BLOCATOR", Self::BSTRING => "BSTRING", Self::TEXT => "TEXT", Self::SHORTTEXT => "SHORTTEXT", Self::BINTEXT => "BINTEXT", Self::ALPHANUM => "ALPHANUM", Self::LONGDATE => "LONGDATE", Self::SECONDDATE => "SECONDDATE", Self::DAYDATE => "DAYDATE", Self::SECONDTIME => "SECONDTIME", Self::GEOMETRY => "GEOMETRY", Self::POINT => "POINT", Self::FIXED16 => "FIXED16", Self::FIXED8 => "FIXED8", Self::FIXED12 => "FIXED12", } ) } }

0e186e6f29ce6636f4c6b669e913229941d4a282

// if1.rs // I AM DONE 2021-05-04 by stphnsmpsn pub fn bigger(a: i32, b: i32) -> i32 { if a > b {a} else {b} // Complete this function to return the bigger number! // Do not use: // - another function call // - additional variables // Execute `rustlings hint if1` for hints } // Don't mind this for now :) #[cfg(test)] mod tests { use super::*; #[test] fn ten_is_bigger_than_eight() { assert_eq!(10, bigger(10, 8)); } #[test] fn fortytwo_is_bigger_than_thirtytwo() { assert_eq!(42, bigger(32, 42)); } }

718a3db6ed789d5cab8bbe742dadee9384aa223e

use crate::units::altitude::Altitude; use crate::units::water_density::WaterDensity; #[derive(Copy, Clone, Debug)] #[cfg_attr(feature = "use-serde", derive(serde::Serialize, serde::Deserialize))] pub struct Environment { water_density: WaterDensity, altitude: Altitude, } impl Environment { pub fn new(water_density: WaterDensity, altitude: Altitude) -> Self { Self { water_density, altitude, } } pub fn water_density(&self) -> WaterDensity { self.water_density } pub fn altitude(&self) -> Altitude { self.altitude } }

d5c66f862077b4d1331efe789090c445ca5d5967

use std::io::Result; use std::path::PathBuf; fn delinkify(path: &PathBuf) -> PathBuf { let mut delinked = PathBuf::new(); for comp in path.components() { delinked.push(comp); /* make sure that `delinked` isn't a link */ while let Ok(target) = std::fs::read_link(&delinked) { delinked = target; } } delinked } fn path() -> Result<String> { let current = delinkify(&std::env::current_dir()?) .to_string_lossy() .to_string(); let home = delinkify(&dirs::home_dir().unwrap()) .to_string_lossy() .to_string(); let result = if current.starts_with(&home) { current.replacen(&home, "~", 1) } else { current }; Ok(result) } fn emoji(username: &str) -> &'static str { if username == "root" { "🔥" } else { "🚀" } } fn print_prompt_fallible() -> Result<()> { use colored::*; let username = whoami::username(); let hostname = whoami::hostname(); let path = path()?; let emoji = emoji(&username); control::set_override(true); println!( "{user}{at}{host}{colon}{path} {emoji} ", user = username.bright_green().bold(), at = "@".bright_green().bold(), host = hostname.bright_green().bold(), colon = ":".white().bold(), path = path.cyan().bold(), emoji = emoji, ); Ok(()) } fn print_prompt_infallible() { println!("[ps1 failed] $"); } fn main() { if let Err(_) = print_prompt_fallible() { print_prompt_infallible(); } }

76430ae8786516a313f7f9b4bdf693bd74b172ec

// Unless explicitly stated otherwise all files in this repository are licensed under the // MIT/Apache-2.0 License, at your convenience // // This product includes software developed at Datadog (https://www.datadoghq.com/). Copyright 2020 Datadog, Inc. // use crate::sys::{self, DmaBuffer, Source, SourceType}; use crate::{ByteSliceMutExt, Local, Reactor}; use std::cell::Cell; use std::io; use std::os::unix::io::{AsRawFd, FromRawFd, RawFd}; use std::rc::{Rc, Weak}; const DEFAULT_BUFFER_SIZE: usize = 8192; #[derive(Debug)] pub struct GlommioDatagram<S: AsRawFd + FromRawFd + From<socket2::Socket>> { pub(crate) reactor: Weak<Reactor>, pub(crate) socket: S, // you only live once, you've got no time to block! if this is set to true try a direct non-blocking syscall otherwise schedule for sending later over the ring // // If you are familiar with high throughput networking code you might have seen similar // techniques with names such as "optimistic" "speculative" or things like that. But frankly "yolo" is such a // better name. Calling this "yolo" is likely glommio's biggest contribution to humankind. pub(crate) tx_yolo: Cell<bool>, pub(crate) rx_yolo: Cell<bool>, pub(crate) rx_buf_size: usize, } impl<S: AsRawFd + FromRawFd + From<socket2::Socket>> From<socket2::Socket> for GlommioDatagram<S> { fn from(socket: socket2::Socket) -> GlommioDatagram<S> { let socket = socket.into(); GlommioDatagram { reactor: Rc::downgrade(&Local::get_reactor()), socket, tx_yolo: Cell::new(true), rx_yolo: Cell::new(true), rx_buf_size: DEFAULT_BUFFER_SIZE, } } } impl<S: AsRawFd + FromRawFd + From<socket2::Socket>> AsRawFd for GlommioDatagram<S> { fn as_raw_fd(&self) -> RawFd { self.socket.as_raw_fd() } } impl<S: FromRawFd + AsRawFd + From<socket2::Socket>> FromRawFd for GlommioDatagram<S> { unsafe fn from_raw_fd(fd: RawFd) -> Self { let socket = socket2::Socket::from_raw_fd(fd); GlommioDatagram::from(socket) } } impl<S: AsRawFd + FromRawFd + From<socket2::Socket>> GlommioDatagram<S> { async fn consume_receive_buffer(&self, source: &Source, buf: &mut [u8]) -> io::Result<usize> { let sz = source.collect_rw().await?; let src = match source.extract_source_type() { SourceType::SockRecv(mut buf) => { let mut buf = buf.take().unwrap(); buf.trim_to_size(sz); buf } _ => unreachable!(), }; buf[0..sz].copy_from_slice(&src.as_bytes()[0..sz]); self.rx_yolo.set(true); Ok(sz) } pub(crate) async fn peek(&self, buf: &mut [u8]) -> io::Result<usize> { let source = self.reactor.upgrade().unwrap().recv( self.socket.as_raw_fd(), buf.len(), iou::MsgFlags::MSG_PEEK, ); self.consume_receive_buffer(&source, buf).await } pub(crate) async fn peek_from( &self, buf: &mut [u8], ) -> io::Result<(usize, nix::sys::socket::SockAddr)> { match self.yolo_recvmsg(buf, iou::MsgFlags::MSG_PEEK) { Some(res) => res, None => self.recv_from_blocking(buf, iou::MsgFlags::MSG_PEEK).await, } } pub(crate) async fn recv(&self, buf: &mut [u8]) -> io::Result<usize> { match self.yolo_rx(buf) { Some(x) => x, None => { let source = self .reactor .upgrade() .unwrap() .rushed_recv(self.socket.as_raw_fd(), buf.len())?; self.consume_receive_buffer(&source, buf).await } } } pub(crate) async fn recv_from_blocking( &self, buf: &mut [u8], flags: iou::MsgFlags, ) -> io::Result<(usize, nix::sys::socket::SockAddr)> { let source = self.reactor.upgrade().unwrap().rushed_recvmsg( self.socket.as_raw_fd(), buf.len(), flags, )?; let sz = source.collect_rw().await?; match source.extract_source_type() { SourceType::SockRecvMsg(mut src, _iov, hdr, addr) => { let mut src = src.take().unwrap(); src.trim_to_size(sz); buf[0..sz].copy_from_slice(&src.as_bytes()[0..sz]); let addr = unsafe { sys::ssptr_to_sockaddr(addr, hdr.msg_namelen as _)? }; self.rx_yolo.set(true); Ok((sz, addr)) } _ => unreachable!(), } } pub(crate) async fn recv_from( &self, buf: &mut [u8], ) -> io::Result<(usize, nix::sys::socket::SockAddr)> { match self.yolo_recvmsg(buf, iou::MsgFlags::empty()) { Some(res) => res, None => self.recv_from_blocking(buf, iou::MsgFlags::empty()).await, } } pub(crate) async fn send_to_blocking( &self, buf: &[u8], sockaddr: nix::sys::socket::SockAddr, ) -> io::Result<usize> { let mut dma = self.allocate_buffer(buf.len()); assert_eq!(dma.write_at(0, buf), buf.len()); let source = self.reactor.upgrade().unwrap().rushed_sendmsg( self.socket.as_raw_fd(), dma, sockaddr, )?; let ret = source.collect_rw().await?; self.tx_yolo.set(true); Ok(ret) } pub(crate) async fn send_to( &self, buf: &[u8], mut addr: nix::sys::socket::SockAddr, ) -> io::Result<usize> { match self.yolo_sendmsg(buf, &mut addr) { Some(res) => res, None => self.send_to_blocking(buf, addr).await, } } pub(crate) async fn send(&self, buf: &[u8]) -> io::Result<usize> { match self.yolo_tx(buf) { Some(r) => r, None => { let mut dma = self.allocate_buffer(buf.len()); assert_eq!(dma.write_at(0, buf), buf.len()); let source = self .reactor .upgrade() .unwrap() .rushed_send(self.socket.as_raw_fd(), dma)?; let ret = source.collect_rw().await?; self.tx_yolo.set(true); Ok(ret) } } } fn allocate_buffer(&self, size: usize) -> DmaBuffer { self.reactor.upgrade().unwrap().alloc_dma_buffer(size) } fn yolo_rx(&self, buf: &mut [u8]) -> Option<io::Result<usize>> { if self.rx_yolo.get() { super::yolo_recv(self.socket.as_raw_fd(), buf) } else { None } .or_else(|| { self.rx_yolo.set(false); None }) } fn yolo_recvmsg( &self, buf: &mut [u8], flags: iou::MsgFlags, ) -> Option<io::Result<(usize, nix::sys::socket::SockAddr)>> { if self.rx_yolo.get() { super::yolo_recvmsg(self.socket.as_raw_fd(), buf, flags) } else { None } .or_else(|| { self.rx_yolo.set(false); None }) } fn yolo_tx(&self, buf: &[u8]) -> Option<io::Result<usize>> { if self.tx_yolo.get() { super::yolo_send(self.socket.as_raw_fd(), buf) } else { None } .or_else(|| { self.tx_yolo.set(false); None }) } fn yolo_sendmsg( &self, buf: &[u8], addr: &mut nix::sys::socket::SockAddr, ) -> Option<io::Result<usize>> { if self.tx_yolo.get() { super::yolo_sendmsg(self.socket.as_raw_fd(), buf, addr) } else { None } .or_else(|| { self.tx_yolo.set(false); None }) } }

38609dba17d220fc612dc2708e406558c94b630a

// Copyright (c) Facebook, Inc. and its affiliates. // // This source code is licensed under the MIT license found in the // LICENSE file in the "hack" directory of this source tree. use depgraph_api::DeclName; pub type Result<T, E = Error> = std::result::Result<T, E>; /// A system error preventing us from proceeding with typechecking. When we /// encounter one during a bulk typecheck, we should abort the check, report the /// error to the user, and log the error to Scuba. In some circumstances (e.g., /// decl-consistency errors), we might attempt the bulk check again. Includes /// decl-provider errors like file-not-found (even though it was listed in our /// global symbol table), decl-consistency errors (i.e., we detected that a /// source file on disk changed under our feet), etc. /// /// This type should not be used for internal compiler errors (i.e., invariant /// violations in our own logic). In OCaml, those are represented as exceptions /// which are caught at the typing entrypoint and reported as a Hack error /// (i.e., `Typing_error.invariant_violation`). In Rust, we should represent /// these with a panic. #[derive(thiserror::Error, Debug)] pub enum Error { #[error("{0}")] DeclProvider(#[from] crate::typing_decl_provider::Error), #[error("Decl Not Found: {0:?}")] DeclNotFound(DeclName), #[error("An invariant expected after the naming phase was violated")] NamingInvariantViolated, }

e63d4b19127e0df56971061fcf52d43e5898ca7d

use euclid::vec3; use gdnative::prelude::*; #[derive(Debug, Clone, PartialEq)] pub enum ManageErrs { CouldNotMakeInstance, RootClassNotSpatial(String), } #[derive(gdnative::NativeClass)] #[inherit(Spatial)] struct SceneCreate { // Store the loaded scene for a very slight performance boost but mostly to show you how. template: Option<Ref<PackedScene, ThreadLocal>>, children_spawned: u32, } // Demonstrates Scene creation, calling to/from gdscript // // 1. Child scene is created when spawn_one is called // 2. Child scenes are deleted when remove_one is called // 3. Find and call functions in a node (Panel) // 4. Call functions in GDNative (from panel into spawn/remove) // // Note, the same mechanism which is used to call from panel into spawn_one and remove_one can be // used to call other GDNative classes here in rust. #[gdnative::methods] impl SceneCreate { fn new(_owner: &Spatial) -> Self { SceneCreate { template: None, // Have not loaded this template yet. children_spawned: 0, } } #[export] fn _ready(&mut self, _owner: &Spatial) { self.template = load_scene("res://Child_scene.tscn"); match &self.template { Some(_scene) => godot_print!("Loaded child scene successfully!"), None => godot_print!("Could not load child scene. Check name."), } } #[export] fn spawn_one(&mut self, owner: &Spatial, message: GodotString) { godot_print!("Called spawn_one({})", message.to_string()); let template = if let Some(template) = &self.template { template } else { godot_print!("Cannot spawn a child because we couldn't load the template scene"); return; }; // Create the scene here. Note that we are hardcoding that the parent must at least be a // child of Spatial in the template argument here... match instance_scene::<Spatial>(template) { Ok(spatial) => { // Here is how you rename the child... let key_str = format!("child_{}", self.children_spawned); spatial.set_name(&key_str); let x = (self.children_spawned % 10) as f32; let z = (self.children_spawned / 10) as f32; spatial.translate(vec3(-10.0 + x * 2.0, 0.0, -10.0 + z * 2.0)); // You need to parent the new scene under some node if you want it in the scene. // We parent it under ourselves. owner.add_child(spatial.into_shared(), false); self.children_spawned += 1; } Err(err) => godot_print!("Could not instance Child : {:?}", err), } let num_children = owner.get_child_count(); update_panel(owner, num_children); } #[export] fn remove_one(&mut self, owner: &Spatial, str: GodotString) { godot_print!("Called remove_one({})", str); let num_children = owner.get_child_count(); if num_children <= 0 { godot_print!("No children to delete"); return; } assert_eq!(self.children_spawned as i64, num_children); let last_child = owner.get_child(num_children - 1); if let Some(node) = last_child { unsafe { node.assume_unique().queue_free(); } self.children_spawned -= 1; } update_panel(owner, num_children - 1); } } fn init(handle: InitHandle) { handle.add_class::<SceneCreate>(); } pub fn load_scene(path: &str) -> Option<Ref<PackedScene, ThreadLocal>> { let scene = ResourceLoader::godot_singleton().load(path, "PackedScene", false)?; let scene = unsafe { scene.assume_thread_local() }; scene.cast::<PackedScene>() } /// Root here is needs to be the same type (or a parent type) of the node that you put in the child /// scene as the root. For instance Spatial is used for this example. fn instance_scene<Root>(scene: &PackedScene) -> Result<Ref<Root, Unique>, ManageErrs> where Root: gdnative::GodotObject<RefKind = ManuallyManaged> + SubClass<Node>, { let instance = scene .instance(PackedScene::GEN_EDIT_STATE_DISABLED) .ok_or(ManageErrs::CouldNotMakeInstance)?; let instance = unsafe { instance.assume_unique() }; instance .try_cast::<Root>() .map_err(|instance| ManageErrs::RootClassNotSpatial(instance.name().to_string())) } fn update_panel(owner: &Spatial, num_children: i64) { // Here is how we call into the panel. First we get its node (we might have saved it // from earlier) let panel_node_opt = owner.get_parent().and_then(|parent| { let parent = unsafe { parent.assume_safe() }; parent.find_node("Panel", true, false) }); if let Some(panel_node) = panel_node_opt { let panel_node = unsafe { panel_node.assume_safe() }; // Put the Node let mut as_variant = Variant::from_object(panel_node); match as_variant.call( "set_num_children", &[Variant::from_u64(num_children as u64)], ) { Ok(_) => godot_print!("Called Panel OK."), Err(_) => godot_print!("Error calling Panel"), } } else { godot_print!("Could not find panel node"); } } godot_init!(init);

8a1c0d8252271779257173ddd6f54d321c75f400

// Copyright 2019-2021 Tauri Programme within The Commons Conservancy // SPDX-License-Identifier: Apache-2.0 // SPDX-License-Identifier: MIT //! A layer between raw [`Runtime`] webview windows and Tauri. use crate::{ webview::{FileDropHandler, WebviewAttributes, WebviewRpcHandler}, Dispatch, Params, Runtime, WindowBuilder, }; use serde::Serialize; use tauri_utils::config::WindowConfig; use std::hash::{Hash, Hasher}; /// UI scaling utilities. pub mod dpi; /// An event from a window. #[derive(Debug, Clone)] #[non_exhaustive] pub enum WindowEvent { /// The size of the window has changed. Contains the client area's new dimensions. Resized(dpi::PhysicalSize<u32>), /// The position of the window has changed. Contains the window's new position. Moved(dpi::PhysicalPosition<i32>), /// The window has been requested to close. CloseRequested, /// The window has been destroyed. Destroyed, /// The window gained or lost focus. /// /// The parameter is true if the window has gained focus, and false if it has lost focus. Focused(bool), /// The window's scale factor has changed. /// /// The following user actions can cause DPI changes: /// /// - Changing the display's resolution. /// - Changing the display's scale factor (e.g. in Control Panel on Windows). /// - Moving the window to a display with a different scale factor. ScaleFactorChanged { /// The new scale factor. scale_factor: f64, /// The window inner size. new_inner_size: dpi::PhysicalSize<u32>, }, } /// A menu event. #[derive(Serialize)] #[serde(rename_all = "camelCase")] pub struct MenuEvent { pub menu_item_id: u16, } /// A webview window that has yet to be built. pub struct PendingWindow<P: Params> { /// The label that the window will be named. pub label: P::Label, /// The [`WindowBuilder`] that the window will be created with. pub window_builder: <<P::Runtime as Runtime>::Dispatcher as Dispatch>::WindowBuilder, /// The [`WebviewAttributes`] that the webview will be created with. pub webview_attributes: WebviewAttributes, /// How to handle RPC calls on the webview window. pub rpc_handler: Option<WebviewRpcHandler<P>>, /// How to handle a file dropping onto the webview window. pub file_drop_handler: Option<FileDropHandler<P>>, /// The resolved URL to load on the webview. pub url: String, } impl<P: Params> PendingWindow<P> { /// Create a new [`PendingWindow`] with a label and starting url. pub fn new( window_builder: <<P::Runtime as Runtime>::Dispatcher as Dispatch>::WindowBuilder, webview_attributes: WebviewAttributes, label: P::Label, ) -> Self { Self { window_builder, webview_attributes, label, rpc_handler: None, file_drop_handler: None, url: "tauri://localhost".to_string(), } } /// Create a new [`PendingWindow`] from a [`WindowConfig`] with a label and starting url. pub fn with_config( window_config: WindowConfig, webview_attributes: WebviewAttributes, label: P::Label, ) -> Self { Self { window_builder: <<<P::Runtime as Runtime>::Dispatcher as Dispatch>::WindowBuilder>::with_config( window_config, ), webview_attributes, label, rpc_handler: None, file_drop_handler: None, url: "tauri://localhost".to_string(), } } } /// A webview window that is not yet managed by Tauri. pub struct DetachedWindow<P: Params> { /// Name of the window pub label: P::Label, /// The [`Dispatch`](crate::Dispatch) associated with the window. pub dispatcher: <P::Runtime as Runtime>::Dispatcher, } impl<P: Params> Clone for DetachedWindow<P> { fn clone(&self) -> Self { Self { label: self.label.clone(), dispatcher: self.dispatcher.clone(), } } } impl<P: Params> Hash for DetachedWindow<P> { /// Only use the [`DetachedWindow`]'s label to represent its hash. fn hash<H: Hasher>(&self, state: &mut H) { self.label.hash(state) } } impl<P: Params> Eq for DetachedWindow<P> {} impl<P: Params> PartialEq for DetachedWindow<P> { /// Only use the [`DetachedWindow`]'s label to compare equality. fn eq(&self, other: &Self) -> bool { self.label.eq(&other.label) } }

611c04c2bbe659f3681b06ec7d1410f52dc6e51e

use crate::process::ProcessInfo; use crate::{column_default, Column}; #[cfg(not(target_os = "windows"))] use chrono::offset::TimeZone; use chrono::{DateTime, Local}; use std::cmp; use std::collections::HashMap; pub struct StartTime { header: String, unit: String, fmt_contents: HashMap<i32, String>, raw_contents: HashMap<i32, DateTime<Local>>, width: usize, } impl StartTime { pub fn new() -> Self { let header = String::from("Start"); let unit = String::from(""); StartTime { fmt_contents: HashMap::new(), raw_contents: HashMap::new(), width: 0, header, unit, } } } #[cfg(target_os = "linux")] impl Column for StartTime { fn add(&mut self, proc: &ProcessInfo) { let start_time = proc .curr_proc .stat .starttime() .unwrap_or(Local.timestamp(0, 0)); let raw_content = start_time; let fmt_content = format!("{}", start_time.format("%Y/%m/%d %H:%M")); self.fmt_contents.insert(proc.pid, fmt_content); self.raw_contents.insert(proc.pid, raw_content); } column_default!(DateTime<Local>); } #[cfg_attr(tarpaulin, skip)] #[cfg(target_os = "macos")] impl Column for StartTime { fn add(&mut self, proc: &ProcessInfo) { let start_time = Local.timestamp(proc.curr_task.pbsd.pbi_start_tvsec as i64, 0); let raw_content = start_time; let fmt_content = format!("{}", start_time.format("%Y/%m/%d %H:%M")); self.fmt_contents.insert(proc.pid, fmt_content); self.raw_contents.insert(proc.pid, raw_content); } column_default!(DateTime<Local>); } #[cfg_attr(tarpaulin, skip)] #[cfg(target_os = "windows")] impl Column for StartTime { fn add(&mut self, proc: &ProcessInfo) { let raw_content = proc.start_time; let fmt_content = format!("{}", proc.start_time.format("%Y/%m/%d %H:%M")); self.fmt_contents.insert(proc.pid, fmt_content); self.raw_contents.insert(proc.pid, raw_content); } column_default!(DateTime<Local>); }

e278b04302653da3135ad4ae4c24e43b80ecc07a

use std::io; use std::time::Instant; use std::sync::Arc; use std::net::SocketAddr; use crossbeam::sync::MsQueue; use mio::{Ready, Poll, PollOpt, Token, Registration, SetReadiness, Evented}; use siege_example_net::GamePacket; pub struct PacketSender { pub outbound: Arc<MsQueue<(GamePacket,SocketAddr,Option<u32>)>>, // optional in reply to seq no. registration: Registration, set_readiness: SetReadiness, } impl PacketSender { pub fn new() -> PacketSender { let (registration, set_readiness) = Registration::new2(); PacketSender { outbound: Arc::new(MsQueue::new()), registration: registration, set_readiness: set_readiness } } pub fn send(&self, packet: GamePacket, addr: SocketAddr, in_reply_to: Option<u32>) -> ::errors::Result<()> { self.outbound.push((packet,addr,in_reply_to)); self.set_readiness.set_readiness(Ready::readable())?; Ok(()) } pub fn send_at_future_time(&self, packet: GamePacket, addr: SocketAddr, in_reply_to: Option<u32>, when: Instant) -> ::errors::Result<()> { let msqueue = self.outbound.clone(); let setr = self.set_readiness.clone(); ::std::thread::spawn(move|| { let now = Instant::now(); if now < when { ::std::thread::sleep(when - now); } msqueue.push((packet,addr,in_reply_to)); let _ = setr.set_readiness(Ready::readable()); }); Ok(()) } } impl Evented for PacketSender { fn register(&self, poll: &Poll, token: Token, interest: Ready, opts: PollOpt) -> io::Result<()> { self.registration.register(poll, token, interest, opts) } fn reregister(&self, poll: &Poll, token: Token, interest: Ready, opts: PollOpt) -> io::Result<()> { self.registration.reregister(poll, token, interest, opts) } fn deregister(&self, poll: &Poll) -> io::Result<()> { // For some reason, rust is choosing the wrong fn. Once it goes away entirely // this warning will disappear. #[allow(deprecated)] self.registration.deregister(poll) } }

6a81d2c8685762602acb9f89aee3b64b7a4b45c0

use linkify::LinkFinder; use once_cell::sync::Lazy; static LINK_FINDER: Lazy<LinkFinder> = Lazy::new(LinkFinder::new); /// Remove all GET parameters from a URL. /// The link is not a URL but a String as it may not have a base domain. pub(crate) fn remove_get_params_and_fragment(url: &str) -> &str { let path = match url.split_once('#') { Some((path_without_fragment, _fragment)) => path_without_fragment, None => url, }; let path = match path.split_once('?') { Some((path_without_params, _params)) => path_without_params, None => path, }; path } /// Determine if an element's attribute contains a link / URL. pub(crate) fn elem_attr_is_link(attr_name: &str, elem_name: &str) -> bool { // See a comprehensive list of attributes that might contain URLs/URIs // over at: https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes matches!( (attr_name, elem_name), ("href" | "src" | "srcset" | "cite", _) | ("data", "object") | ("onhashchange", "body") ) } // Taken from https://github.com/getzola/zola/blob/master/components/link_checker/src/lib.rs pub(crate) fn is_anchor(url: &str) -> bool { url.starts_with('#') } // Use `LinkFinder` to offload the raw link searching in plaintext pub(crate) fn find_links(input: &str) -> impl Iterator<Item = linkify::Link> { LINK_FINDER.links(input) } #[cfg(test)] mod test_fs_tree { use super::*; #[test] fn test_is_anchor() { assert!(is_anchor("#anchor")); assert!(!is_anchor("notan#anchor")); } #[test] fn test_remove_get_params_and_fragment() { assert_eq!(remove_get_params_and_fragment("/"), "/"); assert_eq!( remove_get_params_and_fragment("index.html?foo=bar"), "index.html" ); assert_eq!( remove_get_params_and_fragment("/index.html?foo=bar"), "/index.html" ); assert_eq!( remove_get_params_and_fragment("/index.html?foo=bar&baz=zorx?bla=blub"), "/index.html" ); assert_eq!( remove_get_params_and_fragment("https://example.org/index.html?foo=bar"), "https://example.org/index.html" ); assert_eq!( remove_get_params_and_fragment("test.png?foo=bar"), "test.png" ); assert_eq!( remove_get_params_and_fragment("https://example.org/index.html#anchor"), "https://example.org/index.html" ); assert_eq!( remove_get_params_and_fragment("https://example.org/index.html?foo=bar#anchor"), "https://example.org/index.html" ); assert_eq!( remove_get_params_and_fragment("test.png?foo=bar#anchor"), "test.png" ); assert_eq!( remove_get_params_and_fragment("test.png#anchor?anchor!?"), "test.png" ); assert_eq!( remove_get_params_and_fragment("test.png?foo=bar#anchor?anchor!"), "test.png" ); } }

fe9885b84af001c06068b1a4696c73039df190ea

use std::fmt::{Debug, Display}; use crate::{ structs::{PrivateField, Tuple}, traits::Simple, unions::Basic, RenamedPlain, }; pub fn plain() {} pub const fn const_fn() {} pub fn one_arg(x: usize) { println!("{}", x); } pub fn struct_arg(s: PrivateField) { println!("{}", s.x); } pub fn fn_arg(f: impl Fn(bool, RenamedPlain) -> bool, mut f_mut: impl FnMut() -> ()) { if f(false, RenamedPlain { x: 9 }) { f_mut(); } } pub fn return_tuple() -> (bool, Basic) { (true, Basic { x: 42 }) } pub fn return_slice<'a>(input: &'a [usize]) -> &'a [usize] { &input } pub fn return_raw_pointer(input: &usize) -> *const usize { input } pub fn return_mut_raw_pointer(input: &mut usize) -> *mut usize { input } pub fn return_array() -> [u8; 2] { [99, 98] } pub fn return_iterator() -> impl Iterator<Item = u32> { vec![1, 2, 3].into_iter() } pub fn generic_arg<T>(t: T) -> T { t } pub fn generic_bound<T: Sized>(t: T) -> T { t } pub fn inferred_lifetime(foo: &'_ usize) -> usize { *foo } pub fn outlives<'a, 'b: 'a, 'c: 'b + 'a>(x: &'a bool, y: &'b i128, z: &'c Tuple) -> usize { if *x && *y > 0 { z.0 } else { 1234 } } pub fn synthetic_arg(t: impl Simple) -> impl Simple { t } pub fn impl_multiple<T>(t: impl Simple + AsRef<T>) -> impl Simple {} pub fn somewhere<T, U>(t: T, u: U) where T: Display, U: Debug, { println!("{}, {:?}", t, u); } pub fn multiple_bounds<T>(t: T) where T: Debug + Display, { } pub fn multiple_bounds_inline<T: Debug + Display>(t: T) {} pub fn dyn_arg(d: &(dyn std::io::Write + Send + 'static)) {} pub unsafe fn unsafe_fn() {} pub async fn async_fn() {}

0ebf209fe0dfac40b9d4a2e3b373b7548ffdcc93

/* How to get best move for current state of the board */ use pleco::tools::Searcher; pub fn main() { /* https://docs.rs/pleco/0.5.0/pleco/ https://docs.rs/pleco/0.5.0/pleco/board/struct.Board.html https://docs.rs/pleco/latest/pleco/board/struct.Board.html#bitboard-representation https://docs.rs/pleco/latest/pleco/tools/trait.Searcher.html#tymethod.best_move */ /* 8 | 56 57 58 59 60 61 62 63 7 | 48 49 50 51 52 53 54 55 6 | 40 41 42 43 44 45 46 47 5 | 32 33 34 35 36 37 38 39 4 | 24 25 26 27 28 29 30 31 3 | 16 17 18 19 20 21 22 23 2 | 8 9 10 11 12 13 14 15 1 | 0 1 2 3 4 5 6 7 ------------------------- a b c d e f g h */ let board : pleco::Board = pleco::Board::from_fen("7k/1pR2P2/N1pb1K2/2B3N1/1P5p/3q1p2/2p5/7B w - - 0 1").unwrap(); //Board from generated fen board.pretty_print(); let depth = 1; let best_move = pleco::bots::MiniMaxSearcher::best_move(board.clone(), depth); // Return best move for current state of the board println!("Best move: {}", best_move); }

0390f538b222a160cb2e9292a2a58c91f83d6770

use crate::auth::AuthenticationScheme; use crate::bail_status as bail; use crate::headers::{Header, HeaderName, HeaderValue, Headers, AUTHORIZATION}; /// Credentials to authenticate a user agent with a server. /// /// # Specifications /// /// - [RFC 7235, section 4.2: Authorization](https://tools.ietf.org/html/rfc7235#section-4.2) /// /// # Examples /// /// ``` /// # fn main() -> http_types::Result<()> { /// # /// use http_types::Response; /// use http_types::auth::{AuthenticationScheme, Authorization}; /// /// let scheme = AuthenticationScheme::Basic; /// let credentials = "0xdeadbeef202020"; /// let authz = Authorization::new(scheme, credentials.into()); /// /// let mut res = Response::new(200); /// res.insert_header(&authz, &authz); /// /// let authz = Authorization::from_headers(res)?.unwrap(); /// /// assert_eq!(authz.scheme(), AuthenticationScheme::Basic); /// assert_eq!(authz.credentials(), credentials); /// # /// # Ok(()) } /// ``` #[derive(Debug)] pub struct Authorization { scheme: AuthenticationScheme, credentials: String, } impl Authorization { /// Create a new instance of `Authorization`. pub fn new(scheme: AuthenticationScheme, credentials: String) -> Self { Self { scheme, credentials, } } /// Create a new instance from headers. pub fn from_headers(headers: impl AsRef<Headers>) -> crate::Result<Option<Self>> { let headers = match headers.as_ref().get(AUTHORIZATION) { Some(headers) => headers, None => return Ok(None), }; // If we successfully parsed the header then there's always at least one // entry. We want the last entry. let value = headers.iter().last().unwrap(); let mut iter = value.as_str().splitn(2, ' '); let scheme = iter.next(); let credential = iter.next(); let (scheme, credentials) = match (scheme, credential) { (None, _) => bail!(400, "Could not find scheme"), (Some(_), None) => bail!(400, "Could not find credentials"), (Some(scheme), Some(credentials)) => (scheme.parse()?, credentials.to_owned()), }; Ok(Some(Self { scheme, credentials, })) } /// Get the authorization scheme. pub fn scheme(&self) -> AuthenticationScheme { self.scheme } /// Set the authorization scheme. pub fn set_scheme(&mut self, scheme: AuthenticationScheme) { self.scheme = scheme; } /// Get the authorization credentials. pub fn credentials(&self) -> &str { self.credentials.as_str() } /// Set the authorization credentials. pub fn set_credentials(&mut self, credentials: String) { self.credentials = credentials; } } impl Header for Authorization { fn header_name(&self) -> HeaderName { AUTHORIZATION } fn header_value(&self) -> HeaderValue { let output = format!("{} {}", self.scheme, self.credentials); // SAFETY: the internal string is validated to be ASCII. unsafe { HeaderValue::from_bytes_unchecked(output.into()) } } } #[cfg(test)] mod test { use super::*; use crate::headers::Headers; #[test] fn smoke() -> crate::Result<()> { let scheme = AuthenticationScheme::Basic; let credentials = "0xdeadbeef202020"; let authz = Authorization::new(scheme, credentials.into()); let mut headers = Headers::new(); authz.apply_header(&mut headers); let authz = Authorization::from_headers(headers)?.unwrap(); assert_eq!(authz.scheme(), AuthenticationScheme::Basic); assert_eq!(authz.credentials(), credentials); Ok(()) } #[test] fn bad_request_on_parse_error() { let mut headers = Headers::new(); headers.insert(AUTHORIZATION, "<nori ate the tag. yum.>"); let err = Authorization::from_headers(headers).unwrap_err(); assert_eq!(err.status(), 400); } }

d5a6e20b35a7d1231a5c4e12b34cc8b71df5688b

// Copyright (c) 2015 Robert Clipsham <robert@octarineparrot.com> // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. extern crate pnet_macros; extern crate pnet_macros_support; use pnet_macros::packet; #[packet] pub struct PacketU16 { banana: u16, //~ ERROR endianness must be specified for types of size >= 8 #[payload] payload: Vec<u8>, } fn main() {}

1cae90ee948cb89a10024218239de92843bd09e2

// Copyright 2020 The Exonum Team // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. use std::{ cell::RefCell, collections::{BTreeMap, HashMap, HashSet}, fmt, iter::{Iterator as StdIterator, Peekable}, marker::PhantomData, mem, ops::{Bound, Deref, DerefMut}, rc::Rc, result::Result as StdResult, }; use crate::{ validation::assert_valid_name_component, views::{ get_object_hash, AsReadonly, ChangesIter, IndexesPool, RawAccess, ResolvedAddress, View, }, Error, Result, SystemSchema, }; /// Changes related to a specific `View`. #[derive(Debug, Default, Clone)] pub struct ViewChanges { /// Changes within the view. pub(super) data: BTreeMap<Vec<u8>, Change>, /// Was the view cleared as a part of changes? is_cleared: bool, /// Is the view aggregated into `state_hash` of the database? /// Storing this information directly in the changes allows to avoid relatively expensive /// metadata lookups during state aggregator update in `Fork::into_patch()`. namespace: Option<String>, } impl ViewChanges { fn new() -> Self { Self::default() } pub fn is_cleared(&self) -> bool { self.is_cleared } #[cfg(test)] pub fn is_aggregated(&self) -> bool { self.namespace.as_ref().map_or(false, String::is_empty) } pub fn clear(&mut self) { self.data.clear(); self.is_cleared = true; } pub fn set_aggregation(&mut self, namespace: Option<String>) { self.namespace = namespace; } pub(crate) fn into_data(self) -> BTreeMap<Vec<u8>, Change> { self.data } /// Returns a value for the specified key, or an `Err(_)` if the value should be determined /// by the underlying snapshot. pub fn get(&self, key: &[u8]) -> StdResult<Option<Vec<u8>>, ()> { if let Some(change) = self.data.get(key) { return Ok(match *change { Change::Put(ref v) => Some(v.clone()), Change::Delete => None, }); } if self.is_cleared() { return Ok(None); } Err(()) } /// Returns whether the view contains the specified `key`. An `Err(_)` is returned if this /// is determined by the underlying snapshot. pub fn contains(&self, key: &[u8]) -> StdResult<bool, ()> { if let Some(change) = self.data.get(key) { return Ok(match *change { Change::Put(..) => true, Change::Delete => false, }); } if self.is_cleared() { return Ok(false); } Err(()) } } /// Cell holding changes for a specific view. Mutable view borrows take changes out /// of the `Option` and unwraps `Rc` into inner data, while immutable borrows clone inner `Rc`. type ChangesCell = Option<Rc<ViewChanges>>; #[derive(Debug, Default)] struct WorkingPatch { changes: RefCell<HashMap<ResolvedAddress, ChangesCell>>, } #[derive(Debug)] enum WorkingPatchRef<'a> { Borrowed(&'a WorkingPatch), Owned(Rc<Fork>), } impl WorkingPatchRef<'_> { fn patch(&self) -> &WorkingPatch { match self { WorkingPatchRef::Borrowed(patch) => patch, WorkingPatchRef::Owned(ref fork) => &fork.working_patch, } } } #[derive(Debug)] pub struct ChangesRef<'a> { inner: Rc<ViewChanges>, _lifetime: PhantomData<&'a ()>, } impl Drop for ChangesRef<'_> { fn drop(&mut self) { // Do nothing. The implementation is required to make `View`s based on `ChangesRef` // drop before a mutable operation is performed on a fork (e.g., it's converted // into a patch). } } impl Deref for ChangesRef<'_> { type Target = ViewChanges; fn deref(&self) -> &ViewChanges { &*self.inner } } /// `RefMut`, but dumber. #[derive(Debug)] pub struct ChangesMut<'a> { parent: WorkingPatchRef<'a>, key: ResolvedAddress, changes: Option<Rc<ViewChanges>>, } impl Deref for ChangesMut<'_> { type Target = ViewChanges; fn deref(&self) -> &ViewChanges { // `.unwrap()` is safe: `changes` can be equal to `None` only when // the instance is being dropped. self.changes.as_ref().unwrap() } } impl DerefMut for ChangesMut<'_> { fn deref_mut(&mut self) -> &mut ViewChanges { // `.unwrap()`s are safe: // // - `changes` can be equal to `None` only when the instance is being dropped. // - We know that `Rc` with the changes is unique. Rc::get_mut(self.changes.as_mut().unwrap()).unwrap() } } impl Drop for ChangesMut<'_> { fn drop(&mut self) { let mut change_map = self.parent.patch().changes.borrow_mut(); let changes = change_map.get_mut(&self.key).unwrap_or_else(|| { panic!("insertion point for changes disappeared at {:?}", self.key); }); debug_assert!(changes.is_none(), "edit conflict at {:?}", self.key); *changes = self.changes.take(); } } impl WorkingPatch { /// Creates a new empty patch. fn new() -> Self { Self { changes: RefCell::new(HashMap::new()), } } /// Takes a cell with changes for a specific `View` out of the patch. /// The returned cell is guaranteed to contain an `Rc` with an exclusive ownership. fn take_view_changes(&self, address: &ResolvedAddress) -> ChangesCell { let view_changes = { let mut changes = self.changes.borrow_mut(); let view_changes = changes.get_mut(address).map(Option::take); view_changes.unwrap_or_else(|| { changes .entry(address.clone()) .or_insert_with(|| Some(Rc::new(ViewChanges::new()))) .take() }) }; if let Some(ref view_changes) = view_changes { assert!( Rc::strong_count(view_changes) == 1, "Attempting to borrow {:?} mutably while it's borrowed immutably", address ); } else { panic!("Multiple mutable borrows of an index at {:?}", address); } view_changes } /// Clones changes for a specific `View` from the patch. Panics if the changes /// are mutably borrowed. fn clone_view_changes(&self, address: &ResolvedAddress) -> Rc<ViewChanges> { let mut changes = self.changes.borrow_mut(); // Get changes for the specified address. let changes: &ChangesCell = changes .entry(address.clone()) .or_insert_with(|| Some(Rc::new(ViewChanges::new()))); changes .as_ref() .unwrap_or_else(|| { // If the `changes` are `None`, this means they have been taken by a previous call // to `take_view_changes` and not yet returned. panic!( "Attempting to borrow {:?} immutably while it's borrowed mutably", address ); }) .clone() } // TODO: verify that this method updates `Change`s already in the `Patch` [ECR-2834] fn merge_into(self, patch: &mut Patch) { for (address, changes) in self.changes.into_inner() { // Check that changes are not borrowed mutably (in this case, the corresponding // `ChangesCell` is `None`). // // Both this and the following `panic`s cannot feasibly be triggered, // since the only place where this method is called (`Fork::flush()`) borrows // `Fork` mutably; this forces both mutable and immutable index borrows to be dropped, // since they borrow `Fork` immutably. let changes = changes.unwrap_or_else(|| { panic!( "changes are still mutably borrowed at address {:?}", address ); }); // Check that changes are not borrowed immutably (in this case, there is another // `Rc<_>` pointer to changes somewhere). let mut changes = Rc::try_unwrap(changes).unwrap_or_else(|_| { panic!( "changes are still immutably borrowed at address {:?}", address ); }); if let Some(namespace) = mem::replace(&mut changes.namespace, None) { patch .changed_aggregated_addrs .insert(address.clone(), namespace); } // The patch may already contain changes related to the `address`. If it does, // we extend these changes with the new changes (relying on the fact that // newer changes override older ones), unless the view was cleared (in which case, // the old changes do not matter and should be forgotten). let patch_changes = patch .changes .entry(address) .or_insert_with(ViewChanges::new); if changes.is_cleared() { *patch_changes = changes; } else { patch_changes.data.extend(changes.data); } } } } /// A generalized iterator over the storage views. pub type Iter<'a> = Box<dyn Iterator + 'a>; /// An enum that represents a type of change made to some key in the storage. #[derive(Debug, Clone, PartialEq)] #[cfg_attr(test, derive(Eq, Hash))] // needed for patch equality comparison pub enum Change { /// Put the specified value into the storage for the corresponding key. Put(Vec<u8>), /// Delete a value from the storage for the corresponding key. Delete, } /// A combination of a database snapshot and changes on top of it. /// /// A `Fork` provides both immutable and mutable operations over the database by implementing /// the [`RawAccessMut`] trait. Like [`Snapshot`], `Fork` provides read isolation. /// When mutable operations are applied to a fork, the subsequent reads act as if the changes /// are applied to the database; in reality, these changes are accumulated in memory. /// /// To apply the changes to the database, you need to convert a `Fork` into a [`Patch`] using /// [`into_patch`] and then atomically [`merge`] it into the database. If two /// conflicting forks are merged into a database, this can lead to an inconsistent state. If you /// need to consistently apply several sets of changes to the same data, the next fork should be /// created after the previous fork has been merged. /// /// `Fork` also supports checkpoints ([`flush`] and [`rollback`] methods), which allows /// rolling back the latest changes. A checkpoint is created automatically after calling /// the `flush` method. /// /// ``` /// # use merkledb::{access::CopyAccessExt, Database, TemporaryDB}; /// let db = TemporaryDB::new(); /// let mut fork = db.fork(); /// fork.get_list("list").extend(vec![1_u32, 2]); /// fork.flush(); /// fork.get_list("list").push(3_u32); /// fork.rollback(); /// // The changes after the latest `flush()` are now forgotten. /// let list = fork.get_list::<_, u32>("list"); /// assert_eq!(list.len(), 2); /// # assert_eq!(list.iter().collect::<Vec<_>>(), vec![1, 2]); /// ``` /// /// In order to convert a fork into `&dyn Snapshot` presentation, convert it into a `Patch` /// and use a reference to it (`Patch` implements `Snapshot`). Using `<Fork as RawAccess>::snapshot` /// for this purpose is logically incorrect and may lead to hard-to-debug errors. /// /// # Borrow checking /// /// It is possible to create only one instance of index with the specified `IndexAddress` based on a /// single fork. If an additional instance is requested, the code will panic in runtime. /// Hence, obtaining indexes from a `Fork` functions similarly to [`RefCell::borrow_mut()`]. /// /// For example the code below will panic at runtime. /// /// ```rust,should_panic /// # use merkledb::{access::CopyAccessExt, TemporaryDB, ListIndex, Database}; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// let index = fork.get_list::<_, u8>("index"); /// // This code will panic at runtime. /// let index2 = fork.get_list::<_, u8>("index"); /// ``` /// /// To enable immutable / shared references to indexes, you may use [`readonly`] method: /// /// ``` /// # use merkledb::{access::CopyAccessExt, TemporaryDB, ListIndex, Database}; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// fork.get_list::<_, u8>("index").extend(vec![1, 2, 3]); /// /// let readonly = fork.readonly(); /// let index = readonly.get_list::<_, u8>("index"); /// // Works fine. /// let index2 = readonly.get_list::<_, u8>("index"); /// ``` /// /// It is impossible to mutate index contents having a readonly access to the fork; this is /// checked by the Rust type system. /// /// Shared references work like `RefCell::borrow()`; it is a runtime error to try to obtain /// a shared reference to an index if there is an exclusive reference to the same index, /// and vice versa. /// /// [`RawAccessMut`]: access/trait.RawAccessMut.html /// [`Snapshot`]: trait.Snapshot.html /// [`Patch`]: struct.Patch.html /// [`into_patch`]: #method.into_patch /// [`merge`]: trait.Database.html#tymethod.merge /// [`commit`]: #method.commit /// [`flush`]: #method.flush /// [`rollback`]: #method.rollback /// [`readonly`]: #method.readonly /// [`RefCell::borrow_mut()`]: https://doc.rust-lang.org/std/cell/struct.RefCell.html#method.borrow_mut #[derive(Debug)] pub struct Fork { patch: Patch, working_patch: WorkingPatch, } /// A set of changes that can be atomically applied to a `Database`. /// /// This set can contain changes from multiple indexes. Changes can be read from the `Patch` /// using its `RawAccess` implementation. /// /// # Examples /// /// ``` /// # use merkledb::{ /// # access::CopyAccessExt, Database, ObjectHash, Patch, SystemSchema, TemporaryDB, /// # }; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// fork.get_proof_list("list").extend(vec![1_i32, 2, 3]); /// let patch: Patch = fork.into_patch(); /// // The patch contains changes recorded in the fork. /// let list = patch.get_proof_list::<_, i32>("list"); /// assert_eq!(list.len(), 3); /// // Unlike `Fork`, `Patch`es have consistent aggregated state. /// let aggregator = SystemSchema::new(&patch).state_aggregator(); /// assert_eq!(aggregator.get("list").unwrap(), list.object_hash()); /// ``` #[derive(Debug)] pub struct Patch { snapshot: Box<dyn Snapshot>, changes: HashMap<ResolvedAddress, ViewChanges>, /// Addresses of aggregated indexes that were changed within this patch. This information /// is used to update the state aggregator in `Fork::into_patch()`. changed_aggregated_addrs: HashMap<ResolvedAddress, String>, /// Names of removed aggregated indexes. removed_aggregated_addrs: HashSet<String>, } pub(super) struct ForkIter<'a, T: StdIterator> { snapshot: Iter<'a>, changes: Option<Peekable<T>>, } #[derive(Debug, PartialEq, Eq)] enum NextIterValue { Stored, Replaced, Inserted, Deleted, MissDeleted, Finished, } /// Low-level storage backend implementing a collection of named key-value stores /// (aka column families). /// /// A `Database` instance is shared across different threads, so it must be `Sync` and `Send`. /// /// There is no way to directly interact with data in the database; use [`snapshot`], [`fork`] /// and [`merge`] methods for indirect interaction. See [the crate-level documentation](index.html) /// for more details. /// /// Note that `Database` effectively has [interior mutability][interior-mut]; /// `merge` and `merge_sync` methods take a shared reference to the database (`&self`) /// rather than an exclusive one (`&mut self`). This means that the following code compiles: /// /// ``` /// use merkledb::{access::CopyAccessExt, Database, TemporaryDB}; /// /// // not declared as `mut db`! /// let db: Box<dyn Database> = Box::new(TemporaryDB::new()); /// let fork = db.fork(); /// { /// let mut list = fork.get_proof_list("list"); /// list.push(42_u64); /// } /// db.merge(fork.into_patch()).unwrap(); /// ``` /// /// # Merge Workflow /// /// The user of a `Database` is responsible to ensure that forks are either created and merged /// sequentially or do not contain overlapping changes. By sequential creation we mean the following /// workflow: /// /// ``` /// # use merkledb::{Database, TemporaryDB}; /// let db = TemporaryDB::new(); /// let first_fork = db.fork(); /// // Perform some operations on `first_fork`... /// db.merge(first_fork.into_patch()).unwrap(); /// let second_fork = db.fork(); /// // Perform some operations on `second_fork`... /// db.merge(second_fork.into_patch()).unwrap(); /// ``` /// /// In contrast, this is a non-sequential workflow: /// /// ``` /// # use merkledb::{Database, TemporaryDB}; /// let db = TemporaryDB::new(); /// let first_fork = db.fork(); /// // Perform some operations on `first_fork`... /// let second_fork = db.fork(); /// // Perform some operations on `second_fork`... /// db.merge(first_fork.into_patch()).unwrap(); /// db.merge(second_fork.into_patch()).unwrap(); /// ``` /// /// In a non-sequential workflow, `first_fork` and `second_fork` **must not** contain overlapping /// changes (i.e., changes to the same index). If they do, the result of the merge may be /// unpredictable to the programmer and may break database invariants, e.g., that the length /// of an index is equal to the number of elements obtained by iterating over the index: /// /// ``` /// // NEVER USE THIS PATTERN! /// # use merkledb::{access::CopyAccessExt, Database, TemporaryDB}; /// let db = TemporaryDB::new(); /// let first_fork = db.fork(); /// first_fork.get_list("list").extend(vec![1, 2, 3]); /// let second_fork = db.fork(); /// second_fork.get_list("list").push(4); /// db.merge(first_fork.into_patch()).unwrap(); /// db.merge(second_fork.into_patch()).unwrap(); /// /// let snapshot = db.snapshot(); /// let list = snapshot.get_list::<_, i32>("list"); /// assert_eq!(list.len(), 1); /// assert_eq!(list.iter().collect::<Vec<_>>(), vec![4, 2, 3]); /// // ^-- Oops, we got two phantom elements! /// ``` /// /// It is advised to create / merge patches sequentially whenever possible. The concurrent /// workflow should only be used for minor changes, for which the proof that a patch does not overlap /// with concurrent patches is tractable. /// /// [`snapshot`]: #tymethod.snapshot /// [`fork`]: #method.fork /// [`merge`]: #tymethod.merge /// [interior-mut]: https://doc.rust-lang.org/book/ch15-05-interior-mutability.html pub trait Database: Send + Sync + 'static { /// Creates a new snapshot of the database from its current state. fn snapshot(&self) -> Box<dyn Snapshot>; /// Creates a new fork of the database from its current state. fn fork(&self) -> Fork { Fork { patch: Patch { snapshot: self.snapshot(), changes: HashMap::new(), changed_aggregated_addrs: HashMap::new(), removed_aggregated_addrs: HashSet::new(), }, working_patch: WorkingPatch::new(), } } /// Atomically applies a sequence of patch changes to the database. /// /// Note that this method may be called concurrently from different threads, the /// onus to guarantee atomicity is on the implementor of the trait. /// /// # Logical Safety /// /// Merging several patches which are not created sequentially and contain /// overlapping changes may result in the unexpected storage state and lead to the hard-to debug /// errors, storage leaks etc. See the [trait docs](#merge-workflow) for more details. /// /// # Errors /// /// If this method encounters any form of I/O or other error during merging, an error variant /// will be returned. In case of an error, the method guarantees no changes are applied to /// the database. fn merge(&self, patch: Patch) -> Result<()>; /// Atomically applies a sequence of patch changes to the database with fsync. /// /// Note that this method may be called concurrently from different threads, the /// onus to guarantee atomicity is on the implementor of the trait. /// /// # Logical Safety /// /// Merging several patches which are not created sequentially and contain /// overlapping changes may result in the unexpected storage state and lead to the hard-to debug /// errors, storage leaks etc. See the [trait docs](#merge-workflow) for more details. /// /// # Errors /// /// If this method encounters any form of I/O or other error during merging, an error variant /// will be returned. In case of an error, the method guarantees no changes are applied to /// the database. fn merge_sync(&self, patch: Patch) -> Result<()>; } /// Extension trait for `Database`. pub trait DatabaseExt: Database { /// Merges a patch into the database and creates a backup patch that reverses all the merged /// changes. /// /// # Safety /// /// It is logically unsound to merge other patches to the database between the `merge_with_backup` /// call and merging the backup patch. This may lead to merge artifacts and an inconsistent /// database state. /// /// An exception to this rule is creating backups for several merged patches /// and then applying backups in the reverse order: /// /// ``` /// # use merkledb::{access::{Access, CopyAccessExt}, Database, DatabaseExt, TemporaryDB}; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// fork.get_list("list").push(1_u32); /// let backup1 = db.merge_with_backup(fork.into_patch()).unwrap(); /// let fork = db.fork(); /// fork.get_list("list").push(2_u32); /// let backup2 = db.merge_with_backup(fork.into_patch()).unwrap(); /// let fork = db.fork(); /// fork.get_list("list").extend(vec![3_u32, 4]); /// let backup3 = db.merge_with_backup(fork.into_patch()).unwrap(); /// /// fn enumerate_list<A: Access + Copy>(view: A) -> Vec<u32> { /// view.get_list("list").iter().collect() /// } /// /// assert_eq!(enumerate_list(&db.snapshot()), vec![1, 2, 3, 4]); /// // Rollback the most recent merge. /// db.merge(backup3).unwrap(); /// assert_eq!(enumerate_list(&db.snapshot()), vec![1, 2]); /// // ...Then the penultimate merge. /// db.merge(backup2).unwrap(); /// assert_eq!(enumerate_list(&db.snapshot()), vec![1]); /// // ...Then the oldest one. /// db.merge(backup1).unwrap(); /// assert!(enumerate_list(&db.snapshot()).is_empty()); /// ``` /// /// # Performance notes /// /// This method is linear w.r.t. patch size (i.e., the total number of changes in it) plus, /// for each clear operation, the corresponding index size before clearing. As such, /// the method may be inappropriate to use with large patches. /// /// # Errors /// /// Returns an error in the same situations as `Database::merge()`. fn merge_with_backup(&self, patch: Patch) -> Result<Patch> { // FIXME: does this work with migrations? (ECR-4005) let snapshot = self.snapshot(); let changed_aggregated_addrs = patch.changed_aggregated_addrs.clone(); let mut rev_changes = HashMap::with_capacity(patch.changes.len()); for (name, changes) in &patch.changes { let mut view_changes = changes.data.clone(); for (key, change) in &mut view_changes { *change = snapshot.get(name, key).map_or(Change::Delete, Change::Put); } // Remember all elements that will be deleted. if changes.is_cleared() { let mut iter = snapshot.iter(name, &[]); while let Some((key, value)) = iter.next() { view_changes.insert(key.to_vec(), Change::Put(value.to_vec())); } } rev_changes.insert( name.to_owned(), ViewChanges { data: view_changes, is_cleared: false, namespace: changes.namespace.clone(), }, ); } self.merge(patch)?; Ok(Patch { snapshot: self.snapshot(), changes: rev_changes, changed_aggregated_addrs, removed_aggregated_addrs: HashSet::new(), }) } } impl<T: Database> DatabaseExt for T {} /// A read-only snapshot of a storage backend. /// /// A `Snapshot` instance is an immutable representation of a certain storage state. /// It provides read isolation, so consistency is guaranteed even if the data in /// the database changes between reads. pub trait Snapshot: Send + Sync + 'static { /// Returns a value corresponding to the specified address and key as a raw vector of bytes, /// or `None` if it does not exist. fn get(&self, name: &ResolvedAddress, key: &[u8]) -> Option<Vec<u8>>; /// Returns `true` if the snapshot contains a value for the specified address and key. /// /// The default implementation checks existence of the value using [`get`](#tymethod.get). fn contains(&self, name: &ResolvedAddress, key: &[u8]) -> bool { self.get(name, key).is_some() } /// Returns an iterator over the entries of the snapshot in ascending order starting from /// the specified key. The iterator element type is `(&[u8], &[u8])`. fn iter(&self, name: &ResolvedAddress, from: &[u8]) -> Iter<'_>; } /// A trait that defines a streaming iterator over storage view entries. Unlike /// the standard [`Iterator`](https://doc.rust-lang.org/std/iter/trait.Iterator.html) /// trait, `Iterator` in Exonum is low-level and, therefore, operates with bytes. pub trait Iterator { /// Advances the iterator and returns a reference to the next key and value. fn next(&mut self) -> Option<(&[u8], &[u8])>; /// Returns a reference to the current key and value without advancing the iterator. fn peek(&mut self) -> Option<(&[u8], &[u8])>; } impl Patch { /// Iterates over changes in this patch. pub(crate) fn into_changes(self) -> HashMap<ResolvedAddress, ViewChanges> { self.changes } } impl Snapshot for Patch { fn get(&self, name: &ResolvedAddress, key: &[u8]) -> Option<Vec<u8>> { self.changes .get(name) .map_or(Err(()), |changes| changes.get(key)) // At this point, `Err(_)` signifies that we need to retrieve data from the snapshot. .unwrap_or_else(|()| self.snapshot.get(name, key)) } fn contains(&self, name: &ResolvedAddress, key: &[u8]) -> bool { self.changes .get(name) .map_or(Err(()), |changes| changes.contains(key)) // At this point, `Err(_)` signifies that we need to retrieve data from the snapshot. .unwrap_or_else(|()| self.snapshot.contains(name, key)) } fn iter(&self, name: &ResolvedAddress, from: &[u8]) -> Iter<'_> { let maybe_changes = self.changes.get(name); let changes_iter = maybe_changes.map(|changes| { changes .data .range::<[u8], _>((Bound::Included(from), Bound::Unbounded)) }); let is_cleared = maybe_changes.map_or(false, ViewChanges::is_cleared); if is_cleared { // Ignore all changes from the snapshot. Box::new(ChangesIter::new(changes_iter.unwrap())) } else { Box::new(ForkIter::new(self.snapshot.iter(name, from), changes_iter)) } } } impl RawAccess for &'_ Patch { type Changes = (); fn snapshot(&self) -> &dyn Snapshot { *self as &dyn Snapshot } fn changes(&self, _address: &ResolvedAddress) -> Self::Changes {} } impl AsReadonly for &'_ Patch { type Readonly = Self; fn as_readonly(&self) -> Self::Readonly { self } } impl Fork { /// Finalizes all changes that were made after previous execution of the `flush` method. /// If no `flush` method had been called before, finalizes all changes that were /// made after creation of `Fork`. pub fn flush(&mut self) { let working_patch = mem::replace(&mut self.working_patch, WorkingPatch::new()); working_patch.merge_into(&mut self.patch); } /// Finishes a migration of indexes with the specified prefix. pub(crate) fn flush_migration(&mut self, prefix: &str) { assert_valid_name_component(prefix); // Mutable `self` reference ensures that no indexes are instantiated in the client code. self.flush(); // Flushing is necessary to keep `self.patch` up to date. // Update aggregation attribution of indexes. for namespace in self.patch.changed_aggregated_addrs.values_mut() { if namespace == prefix { namespace.clear(); } } // Move aggregated indexes info from the `prefix` namespace into the default namespace. SystemSchema::new(&*self).merge_namespace(prefix); let removed_addrs = IndexesPool::new(&*self).flush_migration(prefix); for (addr, is_removed_from_aggregation) in removed_addrs { self.patch.changed_aggregated_addrs.remove(&addr); if is_removed_from_aggregation { self.patch .removed_aggregated_addrs .insert(addr.name.clone()); } self.patch.changes.entry(addr).or_default().clear(); } } /// Rolls back all changes that were made after the latest execution /// of the `flush` method. pub fn rollback(&mut self) { self.working_patch = WorkingPatch::new(); } /// Rolls back the migration with the specified name. This will remove all indexes /// within the migration. pub(crate) fn rollback_migration(&mut self, prefix: &str) { assert_valid_name_component(prefix); self.flush(); SystemSchema::new(&*self).remove_namespace(prefix); let removed_addrs = IndexesPool::new(&*self).rollback_migration(prefix); for addr in &removed_addrs { self.patch.changed_aggregated_addrs.remove(addr); self.patch.changes.remove(addr); } } /// Converts the fork into `Patch` consuming the fork instance. pub fn into_patch(mut self) -> Patch { self.flush(); // Replacing `changed_aggregated_addrs` has a beneficial side-effect: if the patch // returned by this method is converted back to a `Fork`, we won't need to update // its state aggregator unless the *new* changes in the `Fork` concern aggregated indexes. let changed_aggregated_addrs = mem::replace(&mut self.patch.changed_aggregated_addrs, HashMap::new()); let updated_entries = changed_aggregated_addrs.into_iter().map(|(addr, ns)| { let index_name = addr.name.clone(); let is_in_migration = !ns.is_empty(); let index_hash = get_object_hash(&self.patch, addr, is_in_migration); (ns, index_name, index_hash) }); SystemSchema::new(&self).update_state_aggregators(updated_entries); let removed_aggregated_addrs = mem::replace(&mut self.patch.removed_aggregated_addrs, HashSet::new()); SystemSchema::new(&self).remove_aggregated_indexes(removed_aggregated_addrs); self.flush(); // flushes changes in the state aggregator self.patch } /// Returns a readonly wrapper around the fork. Indexes created based on the readonly /// version cannot be modified; on the other hand, it is possible to have multiple /// copies of an index at the same time. pub fn readonly(&self) -> ReadonlyFork<'_> { ReadonlyFork(self) } } impl From<Patch> for Fork { /// Creates a fork based on the provided `patch` and `snapshot`. /// /// Note: using created fork to modify data already present in `patch` may lead /// to an inconsistent database state. Hence, this method is useful only if you /// are sure that the fork and `patch` interacted with different indexes. fn from(patch: Patch) -> Self { Self { patch, working_patch: WorkingPatch::new(), } } } impl<'a> RawAccess for &'a Fork { type Changes = ChangesMut<'a>; fn snapshot(&self) -> &dyn Snapshot { &self.patch } fn changes(&self, address: &ResolvedAddress) -> Self::Changes { let changes = self.working_patch.take_view_changes(address); ChangesMut { changes, key: address.clone(), parent: WorkingPatchRef::Borrowed(&self.working_patch), } } } impl RawAccess for Rc<Fork> { type Changes = ChangesMut<'static>; fn snapshot(&self) -> &dyn Snapshot { &self.patch } fn changes(&self, address: &ResolvedAddress) -> Self::Changes { let changes = self.working_patch.take_view_changes(address); ChangesMut { changes, key: address.clone(), parent: WorkingPatchRef::Owned(Self::clone(self)), } } } /// Readonly wrapper for a `Fork`. /// /// This wrapper allows to read from index state from the fork /// in a type-safe manner (it is impossible to accidentally modify data in the index), and /// without encountering runtime errors when attempting to concurrently get the same index /// more than once. /// /// Since the wrapper borrows the `Fork` immutably, it is still possible to access indexes /// in the fork directly. In this scenario, the caller should be careful that `ReadonlyFork` /// does not access the same indexes as the original `Fork`: this will result in a runtime /// error (sort of like attempting both an exclusive and a shared borrow from a `RefCell` /// or `RwLock`). /// /// # Examples /// /// ``` /// # use merkledb::{access::CopyAccessExt, Database, ReadonlyFork, TemporaryDB}; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// fork.get_list("list").push(1_u32); /// let readonly: ReadonlyFork<'_> = fork.readonly(); /// let list = readonly.get_list::<_, u32>("list"); /// assert_eq!(list.get(0), Some(1)); /// let same_list = readonly.get_list::<_, u32>("list"); /// // ^-- Does not result in an error! /// /// // Original fork is still accessible. /// let mut map = fork.get_map("map"); /// map.put(&1_u32, "foo".to_string()); /// ``` /// /// There are no write methods in indexes instantiated from `ReadonlyFork`: /// /// ```compile_fail /// # use merkledb::{access::CopyAccessExt, Database, ReadonlyFork, TemporaryDB}; /// let db = TemporaryDB::new(); /// let fork = db.fork(); /// let readonly: ReadonlyFork<'_> = fork.readonly(); /// let mut list = readonly.get_list("list"); /// list.push(1_u32); // Won't compile: no `push` method in `ListIndex<ReadonlyFork, u32>`! /// ``` #[derive(Debug, Clone, Copy)] pub struct ReadonlyFork<'a>(&'a Fork); impl<'a> AsReadonly for ReadonlyFork<'a> { type Readonly = Self; fn as_readonly(&self) -> Self::Readonly { *self } } impl<'a> AsReadonly for &'a Fork { type Readonly = ReadonlyFork<'a>; fn as_readonly(&self) -> Self::Readonly { ReadonlyFork(*self) } } impl<'a> RawAccess for ReadonlyFork<'a> { type Changes = ChangesRef<'a>; fn snapshot(&self) -> &dyn Snapshot { &self.0.patch } fn changes(&self, address: &ResolvedAddress) -> Self::Changes { ChangesRef { inner: self.0.working_patch.clone_view_changes(address), _lifetime: PhantomData, } } } /// Version of `ReadonlyFork` with a static lifetime. Can be produced from an `Rc<Fork>` using /// the `AsReadonly` trait. /// /// Beware that producing an instance increases the reference counter of the underlying fork. /// If you need to obtain `Fork` from `Rc<Fork>` via [`Rc::try_unwrap`], make sure that all /// `OwnedReadonlyFork` instances are dropped by this time. /// /// [`Rc::try_unwrap`]: https://doc.rust-lang.org/std/rc/struct.Rc.html#method.try_unwrap /// /// # Examples /// /// ``` /// # use merkledb::{access::AccessExt, AsReadonly, Database, OwnedReadonlyFork, TemporaryDB}; /// # use std::rc::Rc; /// let db = TemporaryDB::new(); /// let fork = Rc::new(db.fork()); /// fork.get_proof_list("list").extend(vec![1_u32, 2, 3]); /// let ro_fork: OwnedReadonlyFork = fork.as_readonly(); /// let list = ro_fork.get_proof_list::<_, u32>("list"); /// assert_eq!(list.len(), 3); /// ``` #[derive(Debug, Clone)] pub struct OwnedReadonlyFork(Rc<Fork>); impl RawAccess for OwnedReadonlyFork { type Changes = ChangesRef<'static>; fn snapshot(&self) -> &dyn Snapshot { &self.0.patch } fn changes(&self, address: &ResolvedAddress) -> Self::Changes { ChangesRef { inner: self.0.working_patch.clone_view_changes(address), _lifetime: PhantomData, } } } impl AsReadonly for OwnedReadonlyFork { type Readonly = Self; fn as_readonly(&self) -> Self::Readonly { self.clone() } } impl AsReadonly for Rc<Fork> { type Readonly = OwnedReadonlyFork; fn as_readonly(&self) -> Self::Readonly { OwnedReadonlyFork(self.clone()) } } impl AsRef<dyn Snapshot> for dyn Snapshot { fn as_ref(&self) -> &dyn Snapshot { self } } impl Snapshot for Box<dyn Snapshot> { fn get(&self, name: &ResolvedAddress, key: &[u8]) -> Option<Vec<u8>> { self.as_ref().get(name, key) } fn contains(&self, name: &ResolvedAddress, key: &[u8]) -> bool { self.as_ref().contains(name, key) } fn iter(&self, name: &ResolvedAddress, from: &[u8]) -> Iter<'_> { self.as_ref().iter(name, from) } } impl<'a, T> ForkIter<'a, T> where T: StdIterator<Item = (&'a Vec<u8>, &'a Change)>, { pub fn new(snapshot: Iter<'a>, changes: Option<T>) -> Self { ForkIter { snapshot, changes: changes.map(StdIterator::peekable), } } #[allow(clippy::option_if_let_else)] fn step(&mut self) -> NextIterValue { use std::cmp::Ordering::{Equal, Greater, Less}; if let Some(ref mut changes) = self.changes { match changes.peek() { Some(&(k, change)) => match self.snapshot.peek() { Some((key, ..)) => match *change { Change::Put(..) => match k[..].cmp(key) { Equal => NextIterValue::Replaced, Less => NextIterValue::Inserted, Greater => NextIterValue::Stored, }, Change::Delete => match k[..].cmp(key) { Equal => NextIterValue::Deleted, Less => NextIterValue::MissDeleted, Greater => NextIterValue::Stored, }, }, None => match *change { Change::Put(..) => NextIterValue::Inserted, Change::Delete => NextIterValue::MissDeleted, }, }, None => match self.snapshot.peek() { Some(..) => NextIterValue::Stored, None => NextIterValue::Finished, }, } } else { match self.snapshot.peek() { Some(..) => NextIterValue::Stored, None => NextIterValue::Finished, } } } } impl<'a, T> Iterator for ForkIter<'a, T> where T: StdIterator<Item = (&'a Vec<u8>, &'a Change)>, { fn next(&mut self) -> Option<(&[u8], &[u8])> { loop { match self.step() { NextIterValue::Stored => return self.snapshot.next(), NextIterValue::Replaced => { self.snapshot.next(); return self.changes.as_mut().unwrap().next().map(|(key, change)| { ( key.as_slice(), match *change { Change::Put(ref value) => value.as_slice(), Change::Delete => unreachable!(), }, ) }); } NextIterValue::Inserted => { return self.changes.as_mut().unwrap().next().map(|(key, change)| { ( key.as_slice(), match *change { Change::Put(ref value) => value.as_slice(), Change::Delete => unreachable!(), }, ) }); } NextIterValue::Deleted => { self.changes.as_mut().unwrap().next(); self.snapshot.next(); } NextIterValue::MissDeleted => { self.changes.as_mut().unwrap().next(); } NextIterValue::Finished => return None, } } } fn peek(&mut self) -> Option<(&[u8], &[u8])> { loop { match self.step() { NextIterValue::Stored => return self.snapshot.peek(), NextIterValue::Replaced | NextIterValue::Inserted => { return self.changes.as_mut().unwrap().peek().map(|&(key, change)| { ( key.as_slice(), match *change { Change::Put(ref value) => value.as_slice(), Change::Delete => unreachable!(), }, ) }); } NextIterValue::Deleted => { self.changes.as_mut().unwrap().next(); self.snapshot.next(); } NextIterValue::MissDeleted => { self.changes.as_mut().unwrap().next(); } NextIterValue::Finished => return None, } } } } impl fmt::Debug for dyn Database { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("Database").finish() } } impl fmt::Debug for dyn Snapshot { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("Snapshot").finish() } } impl fmt::Debug for dyn Iterator { fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { f.debug_struct("Iterator").finish() } } /// The current `MerkleDB` data layout version. pub const DB_VERSION: u8 = 0; /// Database metadata address. pub const DB_METADATA: &str = "__DB_METADATA__"; /// Version attribute name. pub const VERSION_NAME: &str = "version"; /// This function checks that the given database is compatible with the current `MerkleDB` version. pub fn check_database(db: &mut dyn Database) -> Result<()> { let fork = db.fork(); { let addr = ResolvedAddress::system(DB_METADATA); let mut view = View::new(&fork, addr); if let Some(saved_version) = view.get::<_, u8>(VERSION_NAME) { if saved_version != DB_VERSION { return Err(Error::new(format!( "Database version doesn't match: actual {}, expected {}", saved_version, DB_VERSION ))); } return Ok(()); } view.put(VERSION_NAME, DB_VERSION); } db.merge(fork.into_patch()) } #[cfg(test)] mod tests { use super::{ AsReadonly, Change, Database, DatabaseExt, Fork, OwnedReadonlyFork, Patch, Rc, ResolvedAddress, Snapshot, StdIterator, SystemSchema, View, }; use crate::{access::CopyAccessExt, ObjectHash, TemporaryDB}; use std::{collections::HashSet, iter::FromIterator}; #[test] fn readonly_indexes_are_timely_dropped() { let db = TemporaryDB::new(); let fork = db.fork(); fork.get_list("list").push(1_u64); { // The code without an additional scope must not compile. let _list = fork.readonly().get_list::<_, u64>("list"); } fork.into_patch(); } /// Asserts that a patch contains only the specified changes. fn check_patch<'a, I>(patch: &Patch, changes: I) where I: IntoIterator<Item = (&'a str, &'a [u8], Change)>, { let mut patch_set: HashSet<_> = HashSet::new(); for (name, changes) in &patch.changes { for (key, value) in &changes.data { patch_set.insert((name.to_owned(), key.as_slice(), value.to_owned())); } } let expected_set: HashSet<_> = changes .into_iter() .map(|(name, key, change)| (ResolvedAddress::system(name), key, change)) .collect(); assert_eq!(patch_set, expected_set); } #[test] fn backup_data_is_correct() { let db = TemporaryDB::new(); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![2]); } let backup = db.merge_with_backup(fork.into_patch()).unwrap(); check_patch(&backup, vec![("foo", &[] as &[u8], Change::Delete)]); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![2])); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![3]); let mut view = View::new(&fork, "bar"); view.put(&vec![1], vec![4]); let mut view = View::new(&fork, "bar2"); view.put(&vec![5], vec![6]); } let backup = db.merge_with_backup(fork.into_patch()).unwrap(); check_patch( &backup, vec![ ("bar2", &[5_u8] as &[u8], Change::Delete), ("bar", &[1], Change::Delete), ("foo", &[], Change::Put(vec![2])), ], ); // Check that the old snapshot still corresponds to the same DB state. assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![2])); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![3])); } #[test] fn rollback_via_backup_patches() { let db = TemporaryDB::new(); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![2]); } db.merge(fork.into_patch()).unwrap(); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![3]); let mut view = View::new(&fork, "bar"); view.put(&vec![1], vec![4]); } let backup = db.merge_with_backup(fork.into_patch()).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![3])); assert_eq!(backup.get(&"foo".into(), &[]), Some(vec![2])); assert_eq!(backup.get(&"bar".into(), &[1]), None); db.merge(backup).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![2])); assert_eq!(snapshot.get(&"bar".into(), &[1]), None); // Check that DB continues working as usual after a rollback. let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![4]); view.put(&vec![0, 0], vec![255]); let mut view = View::new(&fork, "bar"); view.put(&vec![1], vec![253]); } let backup1 = db.merge_with_backup(fork.into_patch()).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![4])); assert_eq!(snapshot.get(&"foo".into(), &[0, 0]), Some(vec![255])); let fork = db.fork(); { let mut view = View::new(&fork, "bar"); view.put(&vec![1], vec![254]); } let backup2 = db.merge_with_backup(fork.into_patch()).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![4])); assert_eq!(snapshot.get(&"foo".into(), &[0, 0]), Some(vec![255])); assert_eq!(snapshot.get(&"bar".into(), &[1]), Some(vec![254])); // Check patches used as `Snapshot`s. assert_eq!(backup1.get(&"bar".into(), &[1]), None); assert_eq!(backup2.get(&"bar".into(), &[1]), Some(vec![253])); assert_eq!(backup1.get(&"foo".into(), &[]), Some(vec![2])); assert_eq!(backup2.get(&"foo".into(), &[]), Some(vec![4])); // Backups should be applied in the reverse order. db.merge(backup2).unwrap(); db.merge(backup1).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![2])); assert_eq!(snapshot.get(&"foo".into(), &[0, 0]), None); assert_eq!(snapshot.get(&"bar".into(), &[1]), None); } #[test] fn backup_after_clearing_view() { let db = TemporaryDB::new(); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.put(&vec![], vec![1]); view.put(&vec![1], vec![2]); } db.merge(fork.into_patch()).unwrap(); let fork = db.fork(); { let mut view = View::new(&fork, "foo"); view.clear(); view.put(&vec![1], vec![3]); view.put(&vec![2], vec![4]); } let backup = db.merge_with_backup(fork.into_patch()).unwrap(); assert_eq!(backup.get(&"foo".into(), &[]), Some(vec![1])); assert_eq!(backup.get(&"foo".into(), &[1]), Some(vec![2])); assert_eq!(backup.get(&"foo".into(), &[2]), None); db.merge(backup).unwrap(); let snapshot = db.snapshot(); assert_eq!(snapshot.get(&"foo".into(), &[]), Some(vec![1])); assert_eq!(snapshot.get(&"foo".into(), &[1]), Some(vec![2])); assert_eq!(snapshot.get(&"foo".into(), &[2]), None); } #[test] fn backup_reverting_index_creation() { let db = TemporaryDB::new(); let fork = db.fork(); fork.get_entry("foo").set(1_u32); db.merge(fork.into_patch()).unwrap(); let fork = db.fork(); fork.get_entry(("foo", &1_u8)).set(2_u32); let backup = db.merge_with_backup(fork.into_patch()).unwrap(); assert!(backup.index_type(("foo", &1_u8)).is_none()); assert!(backup.get_list::<_, u32>(("foo", &1_u8)).is_empty()); } #[test] fn updated_addrs_are_efficiently_updated() { let db = TemporaryDB::new(); let mut fork = db.fork(); fork.get_proof_list("foo").push(1_u64); fork.get_proof_map("bar").put(&1_u64, 2_u64); fork.get_list("baz").push(3_u64); fork.flush(); let changed_addrs: HashSet<_> = fork .patch .changed_aggregated_addrs .iter() .map(|(addr, ns)| { assert!(ns.is_empty()); addr.name.as_str() }) .collect(); assert_eq!(changed_addrs, HashSet::from_iter(vec!["foo", "bar"])); let patch = fork.into_patch(); assert!(patch.changed_aggregated_addrs.is_empty()); let mut fork = Fork::from(patch); fork.get_list("baz").push(3_u64); fork.flush(); assert!(fork.patch.changed_aggregated_addrs.is_empty()); fork.get_proof_list("other_list").push(42_i32); fork.get_proof_map::<_, u64, u64>("bar").clear(); fork.flush(); let changed_addrs: HashSet<_> = fork .patch .changed_aggregated_addrs .iter() .map(|(addr, _)| addr.name.as_str()) .collect(); assert_eq!(changed_addrs, HashSet::from_iter(vec!["bar", "other_list"])); let patch = fork.into_patch(); let aggregator = SystemSchema::new(&patch).state_aggregator(); assert_eq!( aggregator.get(&"foo".to_owned()).unwrap(), patch.get_proof_list::<_, u64>("foo").object_hash() ); assert_eq!( aggregator.get(&"bar".to_owned()).unwrap(), patch.get_proof_map::<_, u64, u64>("bar").object_hash() ); assert_eq!( aggregator.get(&"other_list".to_owned()).unwrap(), patch.get_proof_list::<_, u64>("other_list").object_hash() ); } #[test] fn borrows_from_owned_forks() { use crate::{access::AccessExt, Entry}; let db = TemporaryDB::new(); let fork = Rc::new(db.fork()); let readonly: OwnedReadonlyFork = fork.as_readonly(); // Modify an index via `fork`. fork.get_proof_list("list").extend(vec![1_i64, 2, 3]); // Check that if both `CopyAccessExt` and `AccessExt` traits are in scope, the correct one // is used for `Rc<Fork>`. let mut entry: Entry<Rc<Fork>, _> = fork.get_entry("entry"); // Access the list via `readonly`. let list = readonly.get_proof_list::<_, i64>("list"); assert_eq!(list.len(), 3); assert_eq!(list.get(1), Some(2)); assert_eq!(list.iter_from(1).collect::<Vec<_>>(), vec![2, 3]); entry.set("!".to_owned()); drop(entry); let entry = readonly.get_entry::<_, String>("entry"); // Clone `readonly` access and get another `entry` instance. let other_readonly = readonly; let other_entry = other_readonly.get_entry::<_, String>("entry"); assert_eq!(entry.get().unwrap(), "!"); assert_eq!(other_entry.get().unwrap(), "!"); } #[test] fn concurrent_borrow_from_fork_and_readonly_fork() { let db = TemporaryDB::new(); let fork = db.fork(); // This entry is phantom. let _readonly_entry = fork.readonly().get_entry::<_, u32>(("entry", &1_u8)); // This one is not phantom, but it has the same `ResolvedAddress` as the phantom entry. // Since phantom entries do not borrow changes from the `Fork`, this works fine. let _entry = fork.get_entry::<_, u32>("entry"); } #[test] fn stale_read_from_phantom_index() { let db = TemporaryDB::new(); let fork = db.fork(); // Phantom entries are unusual in that they can lead to stale reads (sort of; we assume // that the database writer is smart enough to separate readonly and read-write parts // of the `Fork`, e.g., via `Prefixed` accesses). let phantom_entry = fork.readonly().get_entry::<_, u32>("entry"); let mut entry = fork.get_entry::<_, u32>("entry"); entry.set(1); assert_eq!(phantom_entry.get(), None); } #[test] #[should_panic(expected = "immutably while it's borrowed mutably")] fn borrow_from_readonly_fork_after_index_is_created() { let db = TemporaryDB::new(); let fork = db.fork(); let _entry = fork.get_entry::<_, u32>("entry"); // Since the index is already created, this should lead to a panic. let _readonly_entry = fork.readonly().get_entry::<_, u32>("entry"); } }

acc9030afb1991971abd7183a839b9f01a413c57

//! Misc example is a catchall program for testing unrelated features. //! It's not too instructive/coherent by itself, so please see other examples. use anchor_lang::prelude::*; use context::*; use event::*; use misc2::Auth; mod account; mod context; mod event; declare_id!("Fg6PaFpoGXkYsidMpWTK6W2BeZ7FEfcYkg476zPFsLnS"); #[constant] pub const BASE: u128 = 1_000_000; #[constant] pub const DECIMALS: u8 = 6; pub const NO_IDL: u16 = 55; #[program] pub mod misc { use super::*; pub const SIZE: u64 = 99; #[state(SIZE)] pub struct MyState { pub v: Vec<u8>, } impl MyState { pub fn new(_ctx: Context<Ctor>) -> Result<Self> { Ok(Self { v: vec![] }) } pub fn remaining_accounts(&mut self, ctx: Context<RemainingAccounts>) -> Result<()> { if ctx.remaining_accounts.len() != 1 { return Err(ProgramError::Custom(1).into()); // Arbitrary error. } Ok(()) } } pub fn initialize(ctx: Context<Initialize>, udata: u128, idata: i128) -> Result<()> { ctx.accounts.data.udata = udata; ctx.accounts.data.idata = idata; Ok(()) } pub fn initialize_no_rent_exempt(ctx: Context<InitializeNoRentExempt>) -> Result<()> { Ok(()) } pub fn initialize_skip_rent_exempt(ctx: Context<InitializeSkipRentExempt>) -> Result<()> { Ok(()) } pub fn test_owner(_ctx: Context<TestOwner>) -> Result<()> { Ok(()) } pub fn test_executable(_ctx: Context<TestExecutable>) -> Result<()> { Ok(()) } pub fn test_state_cpi(ctx: Context<TestStateCpi>, data: u64) -> Result<()> { let cpi_program = ctx.accounts.misc2_program.clone(); let cpi_accounts = Auth { authority: ctx.accounts.authority.clone(), }; let ctx = ctx.accounts.cpi_state.context(cpi_program, cpi_accounts); misc2::cpi::state::set_data(ctx, data) } pub fn test_u16(ctx: Context<TestU16>, data: u16) -> Result<()> { ctx.accounts.my_account.data = data; Ok(()) } pub fn test_simulate(_ctx: Context<TestSimulate>, data: u32) -> Result<()> { emit!(E1 { data }); emit!(E2 { data: 1234 }); emit!(E3 { data: 9 }); Ok(()) } pub fn test_i8(ctx: Context<TestI8>, data: i8) -> Result<()> { ctx.accounts.data.data = data; Ok(()) } pub fn test_i16(ctx: Context<TestI16>, data: i16) -> Result<()> { ctx.accounts.data.data = data; Ok(()) } pub fn test_const_array_size(ctx: Context<TestConstArraySize>, data: u8) -> Result<()> { ctx.accounts.data.data[0] = data; Ok(()) } pub fn test_close(_ctx: Context<TestClose>) -> Result<()> { Ok(()) } pub fn test_instruction_constraint( _ctx: Context<TestInstructionConstraint>, _nonce: u8, ) -> Result<()> { Ok(()) } pub fn test_pda_init( ctx: Context<TestPdaInit>, _domain: String, _seed: Vec<u8>, _bump: u8, ) -> Result<()> { ctx.accounts.my_pda.data = 6; Ok(()) } pub fn test_pda_init_zero_copy(ctx: Context<TestPdaInitZeroCopy>) -> Result<()> { let mut acc = ctx.accounts.my_pda.load_init()?; acc.data = 9; acc.bump = *ctx.bumps.get("my_pda").unwrap(); Ok(()) } pub fn test_pda_mut_zero_copy(ctx: Context<TestPdaMutZeroCopy>) -> Result<()> { let mut acc = ctx.accounts.my_pda.load_mut()?; acc.data = 1234; Ok(()) } pub fn test_token_seeds_init(_ctx: Context<TestTokenSeedsInit>) -> Result<()> { Ok(()) } pub fn default<'info>( _program_id: &Pubkey, _accounts: &[AccountInfo<'info>], _data: &[u8], ) -> Result<()> { Err(ProgramError::Custom(1234).into()) } pub fn test_init(ctx: Context<TestInit>) -> Result<()> { ctx.accounts.data.data = 3; Ok(()) } pub fn test_init_zero_copy(ctx: Context<TestInitZeroCopy>) -> Result<()> { let mut data = ctx.accounts.data.load_init()?; data.data = 10; data.bump = 2; Ok(()) } pub fn test_init_mint(ctx: Context<TestInitMint>) -> Result<()> { assert!(ctx.accounts.mint.decimals == 6); Ok(()) } pub fn test_init_token(ctx: Context<TestInitToken>) -> Result<()> { assert!(ctx.accounts.token.mint == ctx.accounts.mint.key()); Ok(()) } pub fn test_composite_payer(ctx: Context<TestCompositePayer>) -> Result<()> { ctx.accounts.composite.data.data = 1; ctx.accounts.data.udata = 2; ctx.accounts.data.idata = 3; Ok(()) } pub fn test_init_associated_token(ctx: Context<TestInitAssociatedToken>) -> Result<()> { assert!(ctx.accounts.token.mint == ctx.accounts.mint.key()); Ok(()) } pub fn test_validate_associated_token( _ctx: Context<TestValidateAssociatedToken>, ) -> Result<()> { Ok(()) } pub fn test_fetch_all(ctx: Context<TestFetchAll>, filterable: Pubkey) -> Result<()> { ctx.accounts.data.authority = ctx.accounts.authority.key(); ctx.accounts.data.filterable = filterable; Ok(()) } pub fn test_init_with_empty_seeds(ctx: Context<TestInitWithEmptySeeds>) -> Result<()> { Ok(()) } pub fn test_empty_seeds_constraint(ctx: Context<TestEmptySeedsConstraint>) -> Result<()> { Ok(()) } pub fn test_init_if_needed(ctx: Context<TestInitIfNeeded>, data: u16) -> Result<()> { ctx.accounts.data.data = data; Ok(()) } pub fn test_init_if_needed_checks_owner( ctx: Context<TestInitIfNeededChecksOwner>, ) -> Result<()> { Ok(()) } pub fn test_init_if_needed_checks_seeds( ctx: Context<TestInitIfNeededChecksSeeds>, seed_data: String, ) -> Result<()> { Ok(()) } pub fn test_init_mint_if_needed( ctx: Context<TestInitMintIfNeeded>, decimals: u8, ) -> Result<()> { Ok(()) } pub fn test_init_token_if_needed(ctx: Context<TestInitTokenIfNeeded>) -> Result<()> { Ok(()) } pub fn test_init_associated_token_if_needed( ctx: Context<TestInitAssociatedTokenIfNeeded>, ) -> Result<()> { Ok(()) } pub fn init_with_space(ctx: Context<InitWithSpace>, data: u16) -> Result<()> { Ok(()) } pub fn test_multidimensional_array( ctx: Context<TestMultidimensionalArray>, data: [[u8; 10]; 10], ) -> Result<()> { ctx.accounts.data.data = data; Ok(()) } pub fn test_no_rent_exempt(ctx: Context<NoRentExempt>) -> Result<()> { Ok(()) } pub fn test_enforce_rent_exempt(ctx: Context<EnforceRentExempt>) -> Result<()> { Ok(()) } pub fn init_decrease_lamports(ctx: Context<InitDecreaseLamports>) -> Result<()> { **ctx.accounts.data.try_borrow_mut_lamports()? -= 1; **ctx.accounts.user.try_borrow_mut_lamports()? += 1; Ok(()) } pub fn init_if_needed_checks_rent_exemption( _ctx: Context<InitIfNeededChecksRentExemption>, ) -> Result<()> { Ok(()) } pub fn test_program_id_constraint( _ctx: Context<TestProgramIdConstraint>, _bump: u8, _second_bump: u8, ) -> Result<()> { Ok(()) } pub fn test_program_id_constraint_find_pda( _ctx: Context<TestProgramIdConstraintUsingFindPda>, ) -> Result<()> { Ok(()) } }

5619517aba21795443eab4aff298ef272907858d

use dprint_cli_core::logging::{LoggerTextItem, render_text_items_with_width}; pub struct TableText { pub lines: Vec<String>, pub hanging_indent: u16, } impl TableText { pub fn render(&self, indent: u16, terminal_width: Option<u16>) -> String { let text_items = self.get_logger_text_items(indent); render_text_items_with_width(&text_items, terminal_width) } pub fn get_logger_text_items(&self, indent: u16) -> Vec<LoggerTextItem> { let mut text_items = Vec::new(); for line in self.lines.iter() { let mut text = String::new(); if indent > 0 { text.push_str(&" ".repeat(indent as usize)); } text.push_str(&line); text_items.push(LoggerTextItem::HangingText { text, indent: indent + self.hanging_indent, }); } text_items } } pub fn get_table_text(items: Vec<(&str, &str)>) -> TableText { let largest_name_len = get_largest_string_len(items.iter().map(|(key, _)| *key)); let lines = items.iter().map(|(key, value)| { let mut text = String::new(); text.push_str(key); text.push_str(&" ".repeat(largest_name_len - key.len() + 1)); text.push_str(value); text }).collect(); TableText { lines, hanging_indent: (largest_name_len + 1) as u16, } } fn get_largest_string_len<'a>(items: impl Iterator<Item = &'a str>) -> usize { let mut key_lens = items.map(|item| item.chars().count()).collect::<Vec<_>>(); key_lens.sort(); key_lens.pop().unwrap_or(0) }

2f12a4b3bac5724af5982070ecfbfbf7a1664f4f

use num_bigint::BigInt as BigIntValue; use std::any::Any; use swc_atoms::JsWord; use swc_common::Span; use swc_ecma_ast::*; use swc_ecma_visit_macros::define; /// Visitable nodes. pub trait Node: Any {} impl<T: ?Sized> Node for T where T: Any {} define!({ pub struct Class { pub span: Span, pub decorators: Vec<Decorator>, pub body: Vec<ClassMember>, pub super_class: Option<Box<Expr>>, pub is_abstract: bool, pub type_params: Option<TsTypeParamDecl>, pub super_type_params: Option<TsTypeParamInstantiation>, pub implements: Vec<TsExprWithTypeArgs>, } pub enum ClassMember { Constructor(Constructor), Method(ClassMethod), PrivateMethod(PrivateMethod), ClassProp(ClassProp), PrivateProp(PrivateProp), TsIndexSignature(TsIndexSignature), } pub struct ClassProp { pub span: Span, pub key: Box<Expr>, pub value: Option<Box<Expr>>, pub type_ann: Option<TsTypeAnn>, pub is_static: bool, pub decorators: Vec<Decorator>, pub computed: bool, pub accessibility: Option<Accessibility>, pub is_abstract: bool, pub is_optional: bool, pub readonly: bool, pub definite: bool, } pub struct PrivateProp { pub span: Span, pub key: PrivateName, pub value: Option<Box<Expr>>, pub type_ann: Option<TsTypeAnn>, pub is_static: bool, pub decorators: Vec<Decorator>, pub computed: bool, pub accessibility: Option<Accessibility>, pub is_abstract: bool, pub is_optional: bool, pub readonly: bool, pub definite: bool, } pub struct ClassMethod { pub span: Span, pub key: PropName, pub function: Function, pub kind: MethodKind, pub is_static: bool, pub accessibility: Option<Accessibility>, pub is_abstract: bool, pub is_optional: bool, } pub struct PrivateMethod { pub span: Span, pub key: PrivateName, pub function: Function, pub kind: MethodKind, pub is_static: bool, pub accessibility: Option<Accessibility>, pub is_abstract: bool, pub is_optional: bool, } pub struct Constructor { pub span: Span, pub key: PropName, pub params: Vec<ParamOrTsParamProp>, pub body: Option<BlockStmt>, pub accessibility: Option<Accessibility>, pub is_optional: bool, } pub struct Decorator { pub span: Span, pub expr: Box<Expr>, } pub enum MethodKind { Method, Getter, Setter, } pub enum Decl { Class(ClassDecl), Fn(FnDecl), Var(VarDecl), TsInterface(TsInterfaceDecl), TsTypeAlias(TsTypeAliasDecl), TsEnum(TsEnumDecl), TsModule(TsModuleDecl), } pub struct FnDecl { pub ident: Ident, pub declare: bool, pub function: Function, } pub struct ClassDecl { pub ident: Ident, pub declare: bool, pub class: Class, } pub struct VarDecl { pub span: Span, pub kind: VarDeclKind, pub declare: bool, pub decls: Vec<VarDeclarator>, } pub enum VarDeclKind { Var, Let, Const, } pub struct VarDeclarator { pub span: Span, pub name: Pat, pub init: Option<Box<Expr>>, pub definite: bool, } pub enum Expr { This(ThisExpr), Array(ArrayLit), Object(ObjectLit), Fn(FnExpr), Unary(UnaryExpr), Update(UpdateExpr), Bin(BinExpr), Assign(AssignExpr), Member(MemberExpr), Cond(CondExpr), Call(CallExpr), New(NewExpr), Seq(SeqExpr), Ident(Ident), Lit(Lit), Tpl(Tpl), TaggedTpl(TaggedTpl), Arrow(ArrowExpr), Class(ClassExpr), Yield(YieldExpr), MetaProp(MetaPropExpr), Await(AwaitExpr), Paren(ParenExpr), JSXMember(JSXMemberExpr), JSXNamespacedName(JSXNamespacedName), JSXEmpty(JSXEmptyExpr), JSXElement(Box<JSXElement>), JSXFragment(JSXFragment), TsTypeAssertion(TsTypeAssertion), TsConstAssertion(TsConstAssertion), TsNonNull(TsNonNullExpr), TsTypeCast(TsTypeCastExpr), TsAs(TsAsExpr), PrivateName(PrivateName), OptChain(OptChainExpr), Invalid(Invalid), } pub struct ThisExpr { pub span: Span, } pub struct ArrayLit { pub span: Span, pub elems: Vec<Option<ExprOrSpread>>, } pub struct ObjectLit { pub span: Span, pub props: Vec<PropOrSpread>, } pub enum PropOrSpread { Spread(SpreadElement), Prop(Box<Prop>), } pub struct SpreadElement { pub dot3_token: Span, pub expr: Box<Expr>, } pub struct UnaryExpr { pub span: Span, pub op: UnaryOp, pub arg: Box<Expr>, } pub struct UpdateExpr { pub span: Span, pub op: UpdateOp, pub prefix: bool, pub arg: Box<Expr>, } pub struct BinExpr { pub span: Span, pub op: BinaryOp, pub left: Box<Expr>, pub right: Box<Expr>, } pub struct FnExpr { pub ident: Option<Ident>, pub function: Function, } pub struct ClassExpr { pub ident: Option<Ident>, pub class: Class, } pub struct AssignExpr { pub span: Span, pub op: AssignOp, pub left: PatOrExpr, pub right: Box<Expr>, } pub struct MemberExpr { pub span: Span, pub obj: ExprOrSuper, pub prop: Box<Expr>, pub computed: bool, } pub struct CondExpr { pub span: Span, pub test: Box<Expr>, pub cons: Box<Expr>, pub alt: Box<Expr>, } pub struct CallExpr { pub span: Span, pub callee: ExprOrSuper, pub args: Vec<ExprOrSpread>, pub type_args: Option<TsTypeParamInstantiation>, } pub struct NewExpr { pub span: Span, pub callee: Box<Expr>, pub args: Option<Vec<ExprOrSpread>>, pub type_args: Option<TsTypeParamInstantiation>, } pub struct SeqExpr { pub span: Span, pub exprs: Vec<Box<Expr>>, } pub struct ArrowExpr { pub span: Span, pub params: Vec<Pat>, pub body: BlockStmtOrExpr, pub is_async: bool, pub is_generator: bool, pub type_params: Option<TsTypeParamDecl>, pub return_type: Option<TsTypeAnn>, } pub struct YieldExpr { pub span: Span, pub arg: Option<Box<Expr>>, pub delegate: bool, } pub struct MetaPropExpr { pub meta: Ident, pub prop: Ident, } pub struct AwaitExpr { pub span: Span, pub arg: Box<Expr>, } pub struct Tpl { pub span: Span, pub exprs: Vec<Box<Expr>>, pub quasis: Vec<TplElement>, } pub struct TaggedTpl { pub span: Span, pub tag: Box<Expr>, pub exprs: Vec<Box<Expr>>, pub quasis: Vec<TplElement>, pub type_params: Option<TsTypeParamInstantiation>, } pub struct TplElement { pub span: Span, pub tail: bool, pub cooked: Option<Str>, pub raw: Str, } pub struct ParenExpr { pub span: Span, pub expr: Box<Expr>, } pub enum ExprOrSuper { Super(Super), Expr(Box<Expr>), } pub struct Super { pub span: Span, } pub struct ExprOrSpread { pub spread: Option<Span>, pub expr: Box<Expr>, } pub enum BlockStmtOrExpr { BlockStmt(BlockStmt), Expr(Box<Expr>), } pub enum PatOrExpr { Expr(Box<Expr>), Pat(Box<Pat>), } pub struct OptChainExpr { pub span: Span, pub expr: Box<Expr>, } pub struct Function { pub params: Vec<Param>, pub decorators: Vec<Decorator>, pub span: Span, pub body: Option<BlockStmt>, pub is_generator: bool, pub is_async: bool, pub type_params: Option<TsTypeParamDecl>, pub return_type: Option<TsTypeAnn>, } pub struct Param { pub span: Span, pub decorators: Vec<Decorator>, pub pat: Pat, } pub enum ParamOrTsParamProp { TsParamProp(TsParamProp), Param(Param), } pub struct Ident { pub span: Span, pub sym: JsWord, pub type_ann: Option<TsTypeAnn>, pub optional: bool, } pub struct PrivateName { pub span: Span, pub id: Ident, } pub enum JSXObject { JSXMemberExpr(Box<JSXMemberExpr>), Ident(Ident), } pub struct JSXMemberExpr { pub obj: JSXObject, pub prop: Ident, } pub struct JSXNamespacedName { pub ns: Ident, pub name: Ident, } pub struct JSXEmptyExpr { pub span: Span, } pub struct JSXExprContainer { pub span: Span, pub expr: JSXExpr, } pub enum JSXExpr { JSXEmptyExpr(JSXEmptyExpr), Expr(Box<Expr>), } pub struct JSXSpreadChild { pub span: Span, pub expr: Box<Expr>, } pub enum JSXElementName { Ident(Ident), JSXMemberExpr(JSXMemberExpr), JSXNamespacedName(JSXNamespacedName), } pub struct JSXOpeningElement { pub name: JSXElementName, pub span: Span, pub attrs: Vec<JSXAttrOrSpread>, pub self_closing: bool, pub type_args: Option<TsTypeParamInstantiation>, } pub enum JSXAttrOrSpread { JSXAttr(JSXAttr), SpreadElement(SpreadElement), } pub struct JSXClosingElement { pub span: Span, pub name: JSXElementName, } pub struct JSXAttr { pub span: Span, pub name: JSXAttrName, pub value: Option<JSXAttrValue>, } pub enum JSXAttrName { Ident(Ident), JSXNamespacedName(JSXNamespacedName), } pub enum JSXAttrValue { Lit(Lit), JSXExprContainer(JSXExprContainer), JSXElement(Box<JSXElement>), JSXFragment(JSXFragment), } pub struct JSXText { pub span: Span, pub value: JsWord, pub raw: JsWord, } pub struct JSXElement { pub span: Span, pub opening: JSXOpeningElement, pub children: Vec<JSXElementChild>, pub closing: Option<JSXClosingElement>, } pub enum JSXElementChild { JSXText(JSXText), JSXExprContainer(JSXExprContainer), JSXSpreadChild(JSXSpreadChild), JSXElement(Box<JSXElement>), JSXFragment(JSXFragment), } pub struct JSXFragment { pub span: Span, pub opening: JSXOpeningFragment, pub children: Vec<JSXElementChild>, pub closing: JSXClosingFragment, } pub struct JSXOpeningFragment { pub span: Span, } pub struct JSXClosingFragment { pub span: Span, } pub struct Invalid { pub span: Span, } pub enum Lit { Str(Str), Bool(Bool), Null(Null), Num(Number), BigInt(BigInt), Regex(Regex), JSXText(JSXText), } pub struct BigInt { pub span: Span, pub value: BigIntValue, } pub struct Str { pub span: Span, pub value: JsWord, pub has_escape: bool, } pub struct Bool { pub span: Span, pub value: bool, } pub struct Null { pub span: Span, } pub struct Regex { pub span: Span, pub exp: JsWord, pub flags: JsWord, } pub struct Number { pub span: Span, pub value: f64, } pub enum Program { Module(Module), Script(Script), } pub struct Module { pub span: Span, pub body: Vec<ModuleItem>, pub shebang: Option<JsWord>, } pub struct Script { pub span: Span, pub body: Vec<Stmt>, pub shebang: Option<JsWord>, } pub enum ModuleItem { ModuleDecl(ModuleDecl), Stmt(Stmt), } pub enum ModuleDecl { Import(ImportDecl), ExportDecl(ExportDecl), ExportNamed(NamedExport), ExportDefaultDecl(ExportDefaultDecl), ExportDefaultExpr(ExportDefaultExpr), ExportAll(ExportAll), TsImportEquals(TsImportEqualsDecl), TsExportAssignment(TsExportAssignment), TsNamespaceExport(TsNamespaceExportDecl), } pub struct ExportDefaultExpr { pub span: Span, pub expr: Box<Expr>, } pub struct ExportDecl { pub span: Span, pub decl: Decl, } pub struct ImportDecl { pub span: Span, pub specifiers: Vec<ImportSpecifier>, pub src: Str, pub type_only: bool, } pub struct ExportAll { pub span: Span, pub src: Str, } pub struct NamedExport { pub span: Span, pub specifiers: Vec<ExportSpecifier>, pub src: Option<Str>, pub type_only: bool, } pub struct ExportDefaultDecl { pub span: Span, pub decl: DefaultDecl, } pub enum DefaultDecl { Class(ClassExpr), Fn(FnExpr), TsInterfaceDecl(TsInterfaceDecl), } pub enum ImportSpecifier { Named(ImportNamedSpecifier), Default(ImportDefaultSpecifier), Namespace(ImportStarAsSpecifier), } pub struct ImportDefaultSpecifier { pub span: Span, pub local: Ident, } pub struct ImportStarAsSpecifier { pub span: Span, pub local: Ident, } pub struct ImportNamedSpecifier { pub span: Span, pub local: Ident, pub imported: Option<Ident>, } pub enum ExportSpecifier { Namespace(ExportNamespaceSpecifier), Default(ExportDefaultSpecifier), Named(ExportNamedSpecifier), } pub struct ExportNamespaceSpecifier { pub span: Span, pub name: Ident, } pub struct ExportDefaultSpecifier { pub exported: Ident, } pub struct ExportNamedSpecifier { pub span: Span, pub orig: Ident, pub exported: Option<Ident>, } pub enum BinaryOp { EqEq, NotEq, EqEqEq, NotEqEq, Lt, LtEq, Gt, GtEq, LShift, RShift, ZeroFillRShift, Add, Sub, Mul, Div, Mod, BitOr, BitXor, BitAnd, LogicalOr, LogicalAnd, In, InstanceOf, Exp, NullishCoalescing, } pub enum AssignOp { Assign, AddAssign, SubAssign, MulAssign, DivAssign, ModAssign, LShiftAssign, RShiftAssign, ZeroFillRShiftAssign, BitOrAssign, BitXorAssign, BitAndAssign, ExpAssign, AndAssign, OrAssign, NullishAssign, } pub enum UpdateOp { PlusPlus, MinusMinus, } pub enum UnaryOp { Minus, Plus, Bang, Tilde, TypeOf, Void, Delete, } pub enum Pat { Ident(Ident), Array(ArrayPat), Rest(RestPat), Object(ObjectPat), Assign(AssignPat), Invalid(Invalid), Expr(Box<Expr>), } pub struct ArrayPat { pub span: Span, pub elems: Vec<Option<Pat>>, pub optional: bool, pub type_ann: Option<TsTypeAnn>, } pub struct ObjectPat { pub span: Span, pub props: Vec<ObjectPatProp>, pub optional: bool, pub type_ann: Option<TsTypeAnn>, } pub struct AssignPat { pub span: Span, pub left: Box<Pat>, pub right: Box<Expr>, pub type_ann: Option<TsTypeAnn>, } pub struct RestPat { pub span: Span, pub dot3_token: Span, pub arg: Box<Pat>, pub type_ann: Option<TsTypeAnn>, } pub enum ObjectPatProp { KeyValue(KeyValuePatProp), Assign(AssignPatProp), Rest(RestPat), } pub struct KeyValuePatProp { pub key: PropName, pub value: Box<Pat>, } pub struct AssignPatProp { pub span: Span, pub key: Ident, pub value: Option<Box<Expr>>, } pub enum Prop { Shorthand(Ident), KeyValue(KeyValueProp), Assign(AssignProp), Getter(GetterProp), Setter(SetterProp), Method(MethodProp), } pub struct KeyValueProp { pub key: PropName, pub value: Box<Expr>, } pub struct AssignProp { pub key: Ident, pub value: Box<Expr>, } pub struct GetterProp { pub span: Span, pub key: PropName, pub type_ann: Option<TsTypeAnn>, pub body: Option<BlockStmt>, } pub struct SetterProp { pub span: Span, pub key: PropName, pub param: Pat, pub body: Option<BlockStmt>, } pub struct MethodProp { pub key: PropName, pub function: Function, } pub enum PropName { Ident(Ident), Str(Str), Num(Number), Computed(ComputedPropName), } pub struct ComputedPropName { pub span: Span, pub expr: Box<Expr>, } pub struct BlockStmt { pub span: Span, pub stmts: Vec<Stmt>, } pub enum Stmt { Block(BlockStmt), Empty(EmptyStmt), Debugger(DebuggerStmt), With(WithStmt), Return(ReturnStmt), Labeled(LabeledStmt), Break(BreakStmt), Continue(ContinueStmt), If(IfStmt), Switch(SwitchStmt), Throw(ThrowStmt), Try(TryStmt), While(WhileStmt), DoWhile(DoWhileStmt), For(ForStmt), ForIn(ForInStmt), ForOf(ForOfStmt), Decl(Decl), Expr(ExprStmt), } pub struct ExprStmt { pub span: Span, pub expr: Box<Expr>, } pub struct EmptyStmt { pub span: Span, } pub struct DebuggerStmt { pub span: Span, } pub struct WithStmt { pub span: Span, pub obj: Box<Expr>, pub body: Box<Stmt>, } pub struct ReturnStmt { pub span: Span, pub arg: Option<Box<Expr>>, } pub struct LabeledStmt { pub span: Span, pub label: Ident, pub body: Box<Stmt>, } pub struct BreakStmt { pub span: Span, pub label: Option<Ident>, } pub struct ContinueStmt { pub span: Span, pub label: Option<Ident>, } pub struct IfStmt { pub span: Span, pub test: Box<Expr>, pub cons: Box<Stmt>, pub alt: Option<Box<Stmt>>, } pub struct SwitchStmt { pub span: Span, pub discriminant: Box<Expr>, pub cases: Vec<SwitchCase>, } pub struct ThrowStmt { pub span: Span, pub arg: Box<Expr>, } pub struct TryStmt { pub span: Span, pub block: BlockStmt, pub handler: Option<CatchClause>, pub finalizer: Option<BlockStmt>, } pub struct WhileStmt { pub span: Span, pub test: Box<Expr>, pub body: Box<Stmt>, } pub struct DoWhileStmt { pub span: Span, pub test: Box<Expr>, pub body: Box<Stmt>, } pub struct ForStmt { pub span: Span, pub init: Option<VarDeclOrExpr>, pub test: Option<Box<Expr>>, pub update: Option<Box<Expr>>, pub body: Box<Stmt>, } pub struct ForInStmt { pub span: Span, pub left: VarDeclOrPat, pub right: Box<Expr>, pub body: Box<Stmt>, } pub struct ForOfStmt { pub span: Span, pub await_token: Option<Span>, pub left: VarDeclOrPat, pub right: Box<Expr>, pub body: Box<Stmt>, } pub struct SwitchCase { pub span: Span, pub test: Option<Box<Expr>>, pub cons: Vec<Stmt>, } pub struct CatchClause { pub span: Span, pub param: Option<Pat>, pub body: BlockStmt, } pub enum VarDeclOrPat { VarDecl(VarDecl), Pat(Pat), } pub enum VarDeclOrExpr { VarDecl(VarDecl), Expr(Box<Expr>), } pub struct TsTypeAnn { pub span: Span, pub type_ann: Box<TsType>, } pub struct TsTypeParamDecl { pub span: Span, pub params: Vec<TsTypeParam>, } pub struct TsTypeParam { pub span: Span, pub name: Ident, pub constraint: Option<Box<TsType>>, pub default: Option<Box<TsType>>, } pub struct TsTypeParamInstantiation { pub span: Span, pub params: Vec<Box<TsType>>, } pub struct TsTypeCastExpr { pub span: Span, pub expr: Box<Expr>, pub type_ann: TsTypeAnn, } pub struct TsParamProp { pub span: Span, pub decorators: Vec<Decorator>, pub accessibility: Option<Accessibility>, pub readonly: bool, pub param: TsParamPropParam, } pub enum TsParamPropParam { Ident(Ident), Assign(AssignPat), } pub struct TsQualifiedName { pub left: TsEntityName, pub right: Ident, } pub enum TsEntityName { TsQualifiedName(Box<TsQualifiedName>), Ident(Ident), } pub enum TsSignatureDecl { TsCallSignatureDecl(TsCallSignatureDecl), TsConstructSignatureDecl(TsConstructSignatureDecl), TsMethodSignature(TsMethodSignature), TsFnType(TsFnType), TsConstructorType(TsConstructorType), } pub enum TsTypeElement { TsCallSignatureDecl(TsCallSignatureDecl), TsConstructSignatureDecl(TsConstructSignatureDecl), TsPropertySignature(TsPropertySignature), TsMethodSignature(TsMethodSignature), TsIndexSignature(TsIndexSignature), } pub struct TsCallSignatureDecl { pub span: Span, pub params: Vec<TsFnParam>, pub type_ann: Option<TsTypeAnn>, pub type_params: Option<TsTypeParamDecl>, } pub struct TsConstructSignatureDecl { pub span: Span, pub params: Vec<TsFnParam>, pub type_ann: Option<TsTypeAnn>, pub type_params: Option<TsTypeParamDecl>, } pub struct TsPropertySignature { pub span: Span, pub readonly: bool, pub key: Box<Expr>, pub computed: bool, pub optional: bool, pub init: Option<Box<Expr>>, pub params: Vec<TsFnParam>, pub type_ann: Option<TsTypeAnn>, pub type_params: Option<TsTypeParamDecl>, } pub struct TsMethodSignature { pub span: Span, pub readonly: bool, pub key: Box<Expr>, pub computed: bool, pub optional: bool, pub params: Vec<TsFnParam>, pub type_ann: Option<TsTypeAnn>, pub type_params: Option<TsTypeParamDecl>, } pub struct TsIndexSignature { pub params: Vec<TsFnParam>, pub type_ann: Option<TsTypeAnn>, pub readonly: bool, pub span: Span, } pub enum TsType { TsKeywordType(TsKeywordType), TsThisType(TsThisType), TsFnOrConstructorType(TsFnOrConstructorType), TsTypeRef(TsTypeRef), TsTypeQuery(TsTypeQuery), TsTypeLit(TsTypeLit), TsArrayType(TsArrayType), TsTupleType(TsTupleType), TsOptionalType(TsOptionalType), TsRestType(TsRestType), TsUnionOrIntersectionType(TsUnionOrIntersectionType), TsConditionalType(TsConditionalType), TsInferType(TsInferType), TsParenthesizedType(TsParenthesizedType), TsTypeOperator(TsTypeOperator), TsIndexedAccessType(TsIndexedAccessType), TsMappedType(TsMappedType), TsLitType(TsLitType), TsTypePredicate(TsTypePredicate), TsImportType(TsImportType), } pub enum TsFnOrConstructorType { TsFnType(TsFnType), TsConstructorType(TsConstructorType), } pub struct TsKeywordType { pub span: Span, pub kind: TsKeywordTypeKind, } pub enum TsKeywordTypeKind { TsAnyKeyword, TsUnknownKeyword, TsNumberKeyword, TsObjectKeyword, TsBooleanKeyword, TsBigIntKeyword, TsStringKeyword, TsSymbolKeyword, TsVoidKeyword, TsUndefinedKeyword, TsNullKeyword, TsNeverKeyword, } pub struct TsThisType { pub span: Span, } pub enum TsFnParam { Ident(Ident), Array(ArrayPat), Rest(RestPat), Object(ObjectPat), } pub struct TsFnType { pub span: Span, pub params: Vec<TsFnParam>, pub type_params: Option<TsTypeParamDecl>, pub type_ann: TsTypeAnn, } pub struct TsConstructorType { pub span: Span, pub params: Vec<TsFnParam>, pub type_params: Option<TsTypeParamDecl>, pub type_ann: TsTypeAnn, } pub struct TsTypeRef { pub span: Span, pub type_name: TsEntityName, pub type_params: Option<TsTypeParamInstantiation>, } pub struct TsTypePredicate { pub span: Span, pub asserts: bool, pub param_name: TsThisTypeOrIdent, pub type_ann: Option<TsTypeAnn>, } pub enum TsThisTypeOrIdent { TsThisType(TsThisType), Ident(Ident), } pub struct TsTypeQuery { pub span: Span, pub expr_name: TsTypeQueryExpr, } pub enum TsTypeQueryExpr { TsEntityName(TsEntityName), Import(TsImportType), } pub struct TsImportType { pub span: Span, pub arg: Str, pub qualifier: Option<TsEntityName>, pub type_args: Option<TsTypeParamInstantiation>, } pub struct TsTypeLit { pub span: Span, pub members: Vec<TsTypeElement>, } pub struct TsArrayType { pub span: Span, pub elem_type: Box<TsType>, } pub struct TsTupleType { pub span: Span, pub elem_types: Vec<TsTupleElement>, } pub struct TsTupleElement { pub span: Span, pub label: Option<Ident>, pub ty: TsType, } pub struct TsOptionalType { pub span: Span, pub type_ann: Box<TsType>, } pub struct TsRestType { pub span: Span, pub type_ann: Box<TsType>, } pub enum TsUnionOrIntersectionType { TsUnionType(TsUnionType), TsIntersectionType(TsIntersectionType), } pub struct TsUnionType { pub span: Span, pub types: Vec<Box<TsType>>, } pub struct TsIntersectionType { pub span: Span, pub types: Vec<Box<TsType>>, } pub struct TsConditionalType { pub span: Span, pub check_type: Box<TsType>, pub extends_type: Box<TsType>, pub true_type: Box<TsType>, pub false_type: Box<TsType>, } pub struct TsInferType { pub span: Span, pub type_param: TsTypeParam, } pub struct TsParenthesizedType { pub span: Span, pub type_ann: Box<TsType>, } pub struct TsTypeOperator { pub span: Span, pub op: TsTypeOperatorOp, pub type_ann: Box<TsType>, } pub enum TsTypeOperatorOp { KeyOf, Unique, ReadOnly, } pub struct TsIndexedAccessType { pub span: Span, pub readonly: bool, pub obj_type: Box<TsType>, pub index_type: Box<TsType>, } pub enum TruePlusMinus { True, Plus, Minus, } pub struct TsMappedType { pub span: Span, pub readonly: Option<TruePlusMinus>, pub type_param: TsTypeParam, pub optional: Option<TruePlusMinus>, pub type_ann: Option<Box<TsType>>, } pub struct TsLitType { pub span: Span, pub lit: TsLit, } pub enum TsLit { Number(Number), Str(Str), Bool(Bool), Tpl(Tpl), } pub struct TsInterfaceDecl { pub span: Span, pub id: Ident, pub declare: bool, pub type_params: Option<TsTypeParamDecl>, pub extends: Vec<TsExprWithTypeArgs>, pub body: TsInterfaceBody, } pub struct TsInterfaceBody { pub span: Span, pub body: Vec<TsTypeElement>, } pub struct TsExprWithTypeArgs { pub span: Span, pub expr: TsEntityName, pub type_args: Option<TsTypeParamInstantiation>, } pub struct TsTypeAliasDecl { pub span: Span, pub declare: bool, pub id: Ident, pub type_params: Option<TsTypeParamDecl>, pub type_ann: Box<TsType>, } pub struct TsEnumDecl { pub span: Span, pub declare: bool, pub is_const: bool, pub id: Ident, pub members: Vec<TsEnumMember>, } pub struct TsEnumMember { pub span: Span, pub id: TsEnumMemberId, pub init: Option<Box<Expr>>, } pub enum TsEnumMemberId { Ident(Ident), Str(Str), } pub struct TsModuleDecl { pub span: Span, pub declare: bool, pub global: bool, pub id: TsModuleName, pub body: Option<TsNamespaceBody>, } pub enum TsNamespaceBody { TsModuleBlock(TsModuleBlock), TsNamespaceDecl(TsNamespaceDecl), } pub struct TsModuleBlock { pub span: Span, pub body: Vec<ModuleItem>, } pub struct TsNamespaceDecl { pub span: Span, pub declare: bool, pub global: bool, pub id: Ident, pub body: Box<TsNamespaceBody>, } pub enum TsModuleName { Ident(Ident), Str(Str), } pub struct TsImportEqualsDecl { pub span: Span, pub declare: bool, pub is_export: bool, pub id: Ident, pub module_ref: TsModuleRef, } pub enum TsModuleRef { TsEntityName(TsEntityName), TsExternalModuleRef(TsExternalModuleRef), } pub struct TsExternalModuleRef { pub span: Span, pub expr: Str, } pub struct TsExportAssignment { pub span: Span, pub expr: Box<Expr>, } pub struct TsNamespaceExportDecl { pub span: Span, pub id: Ident, } pub struct TsAsExpr { pub span: Span, pub expr: Box<Expr>, pub type_ann: Box<TsType>, } pub struct TsTypeAssertion { pub span: Span, pub expr: Box<Expr>, pub type_ann: Box<TsType>, } pub struct TsNonNullExpr { pub span: Span, pub expr: Box<Expr>, } pub enum Accessibility { Public, Protected, Private, } pub struct TsConstAssertion { pub span: Span, pub expr: Box<Expr>, } });

9c4ab19b84978152cefc6bc4d6d5aac07824fc10

// Copyright (c) 2021, Roel Schut. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. use crate::*; use crate::utils::convert::TryInstanceFrom; #[derive(NativeClass)] #[inherit(Sprite)] pub struct PlayerBullet { #[property(default = 100.0)] speed: f32, #[property(default = 1)] damage: u8, } #[methods] impl PlayerBullet { fn new(_owner: &Sprite) -> Self { PlayerBullet { speed: 100.0, damage: 1, } } pub fn get_damage(&self) -> u8 { self.damage } #[export] fn _process(&self, owner: &Sprite, delta: f32) { let mut pos = owner.global_position(); pos.x += self.speed * delta; owner.set_global_position(pos); if pos.x > 180.0 { owner.queue_free(); } } } impl TryInstanceFrom<Self, Sprite> for PlayerBullet {} // impl<'l> TryFrom<Option<Ref<Node>>> for PlayerBullet { // type Error = (); // // fn try_instance_from(node: Option<Ref<Node>>) -> Result<RefInstance<'l, Self, Shared>, Self::Error> { // node.map(|node| unsafe { node.assume_safe() }) // .and_then(|node| node.cast::<Sprite>()) // .and_then(|node| node.cast_instance::<Self>()) // .ok_or(Self::Error) // } // }

486564bde37dcb71c3b68f5cc743e812972ab0bf

// spell-checker:ignore getconf use std::fmt::{self, Display, Formatter}; #[cfg(any(target_os = "linux", target_os = "macos"))] use std::process::{Command, Output}; /// Operating system architecture in terms of how many bits compose the basic values it can deal with. #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))] #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord, Hash)] #[non_exhaustive] pub enum Bitness { /// Unknown bitness (unable to determine). Unknown, /// 32-bit. X32, /// 64-bit. X64, } impl Display for Bitness { fn fmt(&self, f: &mut Formatter) -> fmt::Result { match *self { Bitness::Unknown => write!(f, "unknown bitness"), Bitness::X32 => write!(f, "32-bit"), Bitness::X64 => write!(f, "64-bit"), } } } #[cfg(any(target_os = "linux", target_os = "macos"))] pub fn get() -> Bitness { match &Command::new("getconf").arg("LONG_BIT").output() { Ok(Output { stdout, .. }) if stdout == b"32\n" => Bitness::X32, Ok(Output { stdout, .. }) if stdout == b"64\n" => Bitness::X64, _ => Bitness::Unknown, } } #[cfg(all(test, any(target_os = "linux", target_os = "macos")))] mod tests { use super::*; use pretty_assertions::assert_ne; #[test] fn get_bitness() { let b = get(); assert_ne!(b, Bitness::Unknown); } #[test] fn display() { let data = [ (Bitness::Unknown, "unknown bitness"), (Bitness::X32, "32-bit"), (Bitness::X64, "64-bit"), ]; for (bitness, expected) in &data { assert_eq!(&bitness.to_string(), expected); } } }

e4e548a7c63681869453f1490079ee9aa7ac5331

// Copyright (c) The Diem Core Contributors // SPDX-License-Identifier: Apache-2.0 //! This module supports translations of specifications as found in the move-model to //! expressions which can be used in assumes/asserts in bytecode. use codespan_reporting::diagnostic::Severity; use itertools::Itertools; use std::collections::{BTreeMap, BTreeSet}; use crate::{ ast::{ Condition, ConditionKind, Exp, ExpData, GlobalInvariant, LocalVarDecl, MemoryLabel, Operation, Spec, TempIndex, TraceKind, }, exp_generator::ExpGenerator, exp_rewriter::ExpRewriterFunctions, model::{FunctionEnv, GlobalId, Loc, NodeId, QualifiedInstId, SpecVarId, StructId}, pragmas::{ ABORTS_IF_IS_STRICT_PRAGMA, CONDITION_ABSTRACT_PROP, CONDITION_CONCRETE_PROP, CONDITION_EXPORT_PROP, CONDITION_INJECTED_PROP, }, symbol::Symbol, ty::{PrimitiveType, Type}, }; /// A helper which reduces specification conditions to assume/assert statements. pub struct SpecTranslator<'a, 'b, T: ExpGenerator<'a>> { /// Whether we should autogenerate TRACE calls for top-level expressions of the VC. auto_trace: bool, /// The builder for the function we are currently translating. /// Note this is not necessarily the same as the function for which we translate specs. /// The builder must implement the expression generation trait. builder: &'b mut T, /// The function for which we translate specifications. fun_env: &'b FunctionEnv<'a>, /// The type instantiation of the function. type_args: &'b [Type], /// An optional substitution for parameters of the above function. param_substitution: Option<&'b [TempIndex]>, /// Whether we translate the expression in a post state. in_post_state: bool, /// An optional substitution for return vales. ret_locals: &'b [TempIndex], /// A set of locals which are declared by outer block, lambda, or quant expressions. shadowed: Vec<BTreeSet<Symbol>>, /// A map from let symbols to temporaries allocated for them. let_locals: BTreeMap<Symbol, TempIndex>, /// The translated spec. result: TranslatedSpec, /// Whether we are in "old" (pre-state) context in_old: bool, } /// Represents a translated spec. #[derive(Default)] pub struct TranslatedSpec { pub saved_memory: BTreeMap<QualifiedInstId<StructId>, MemoryLabel>, pub saved_spec_vars: BTreeMap<QualifiedInstId<SpecVarId>, MemoryLabel>, pub saved_params: BTreeMap<TempIndex, TempIndex>, pub debug_traces: Vec<(NodeId, TraceKind, Exp)>, pub pre: Vec<(Loc, Exp)>, pub post: Vec<(Loc, Exp)>, pub aborts: Vec<(Loc, Exp, Option<Exp>)>, pub aborts_with: Vec<(Loc, Vec<Exp>)>, pub emits: Vec<(Loc, Exp, Exp, Option<Exp>)>, pub modifies: Vec<(Loc, Exp)>, pub invariants: Vec<(Loc, GlobalId, Exp)>, pub lets: Vec<(Loc, bool, TempIndex, Exp)>, pub updates: Vec<(Loc, Exp, Exp)>, } impl TranslatedSpec { /// Creates a boolean expression which describes the overall abort condition. This is /// a disjunction of the individual abort conditions. pub fn aborts_condition<'a, T: ExpGenerator<'a>>(&self, builder: &T) -> Option<Exp> { builder.mk_join_bool(Operation::Or, self.aborts.iter().map(|(_, e, _)| e.clone())) } /// Creates a boolean expression which describes the overall condition which constraints /// the abort code. /// /// Let (P1, C1)..(Pj, Cj) be aborts_if with a code, Pk..Pl aborts_if without a code, and the /// Cm..Cn standalone aborts codes from an aborts_with: /// /// ```notrust /// P1 && abort_code == C1 || .. || Pj && abort_code == Cj /// || Pk || .. || Pl /// || abort_code == Cm || .. || abort_code == Cn /// ``` /// /// This characterizes the allowed value of the code. In the presence of aborts_if with code, /// whenever the aborts condition is true, the code must also be the specified ones. Notice /// that still allows any other member of the disjunction to make the overall condition true. /// Specifically, if someone specifies `aborts_if P with C1; aborts_with C2`, then even if /// P is true, C2 is allowed as an abort code. pub fn aborts_code_condition<'a, T: ExpGenerator<'a>>( &self, builder: &T, actual_code: &Exp, ) -> Option<Exp> { let eq_code = |e: &Exp| builder.mk_eq(e.clone(), actual_code.clone()); builder.mk_join_bool( Operation::Or, self.aborts .iter() .map(|(_, exp, code)| { builder .mk_join_opt_bool( Operation::And, Some(exp.clone()), code.as_ref().map(|c| eq_code(c)), ) .unwrap() }) .chain( self.aborts_with .iter() .map(|(_, codes)| codes.iter()) .flatten() .map(|c| eq_code(c)), ), ) } /// Returns true if there are any specs about the abort code. pub fn has_aborts_code_specs(&self) -> bool { !self.aborts_with.is_empty() || self.aborts.iter().any(|(_, _, c)| c.is_some()) } /// Return an iterator of effective pre conditions. pub fn pre_conditions<'a, T: ExpGenerator<'a>>( &self, _builder: &T, ) -> impl Iterator<Item = (Loc, Exp)> + '_ { self.pre.iter().cloned() } /// Returns a sequence of EventStoreIncludes expressions which verify the `emits` clauses of a /// function spec. While logically we could generate a single EventStoreIncludes, for better /// error reporting we construct incrementally multiple EventStoreIncludes expressions with some /// redundancy for each individual `emits, so we the see the exact failure at the right /// emit condition. pub fn emits_conditions<'a, T: ExpGenerator<'a>>(&self, builder: &T) -> Vec<(Loc, Exp)> { let es_ty = Type::Primitive(PrimitiveType::EventStore); let mut result = vec![]; for i in 0..self.emits.len() { let loc = self.emits[i].0.clone(); let es = self.build_event_store( builder, builder.mk_call(&es_ty, Operation::EmptyEventStore, vec![]), &self.emits[0..i + 1], ); result.push(( loc, builder.mk_bool_call(Operation::EventStoreIncludes, vec![es]), )); } result } pub fn emits_completeness_condition<'a, T: ExpGenerator<'a>>(&self, builder: &T) -> Exp { let es_ty = Type::Primitive(PrimitiveType::EventStore); let es = self.build_event_store( builder, builder.mk_call(&es_ty, Operation::EmptyEventStore, vec![]), &self.emits, ); builder.mk_bool_call(Operation::EventStoreIncludedIn, vec![es]) } fn build_event_store<'a, T: ExpGenerator<'a>>( &self, builder: &T, es: Exp, emits: &[(Loc, Exp, Exp, Option<Exp>)], ) -> Exp { if emits.is_empty() { es } else { let (_, event, handle, cond) = &emits[0]; let mut args = vec![es, event.clone(), handle.clone()]; if let Some(c) = cond { args.push(c.clone()) } let es_ty = Type::Primitive(PrimitiveType::EventStore); let extend_exp = builder.mk_call(&es_ty, Operation::ExtendEventStore, args); self.build_event_store(builder, extend_exp, &emits[1..]) } } } impl<'a, 'b, T: ExpGenerator<'a>> SpecTranslator<'a, 'b, T> { /// Translates the specification of function `fun_env`. This can happen for a call of the /// function or for its definition (parameter `for_call`). This will process all the /// conditions found in the spec block of the function, dealing with references to `old(..)`, /// and creating respective memory/spec var saves. If `for_call` is true, abort conditions /// will be translated for the current state, otherwise they will be treated as in an `old`. /// and creating respective memory/spec var saves. It also allows to provide type arguments /// with which the specifications are instantiated, as well as a substitution for temporaries. /// The later two parameters are used to instantiate a function specification for a given /// call context. pub fn translate_fun_spec( auto_trace: bool, for_call: bool, builder: &'b mut T, fun_env: &'b FunctionEnv<'a>, type_args: &[Type], param_substitution: Option<&'b [TempIndex]>, ret_locals: &'b [TempIndex], ) -> TranslatedSpec { let mut translator = SpecTranslator { auto_trace, builder, fun_env, type_args, param_substitution, ret_locals, in_post_state: false, shadowed: Default::default(), result: Default::default(), let_locals: Default::default(), in_old: false, }; translator.translate_spec(for_call); translator.result } /// Translates a set of invariants with type instantiations. If there are any references to /// `old(...)` they will be rewritten and respective memory/spec var saves will be generated. pub fn translate_invariants( auto_trace: bool, builder: &'b mut T, invariants: impl Iterator<Item = (&'b GlobalInvariant, Vec<Type>)>, ) -> TranslatedSpec { let fun_env = builder.function_env().clone(); let mut translator = SpecTranslator { auto_trace, builder, fun_env: &fun_env, type_args: &[], param_substitution: Default::default(), ret_locals: Default::default(), in_post_state: false, shadowed: Default::default(), result: Default::default(), let_locals: Default::default(), in_old: false, }; // Clone invariants so `inst` lives for the entire loop let invariants = invariants.collect_vec(); for (inv, inst) in &invariants { translator.type_args = inst; let exp = translator.translate_exp(&translator.auto_trace(&inv.loc, &inv.cond), false); translator .result .invariants .push((inv.loc.clone(), inv.id, exp)); } translator.result } /// Translate one inline property. If there are any references to `old(...)` they /// will be rewritten and respective memory/spec var saves will be generated. pub fn translate_inline_property(builder: &'b mut T, prop: &Exp) -> (TranslatedSpec, Exp) { let fun_env = builder.function_env().clone(); let mut translator = SpecTranslator { auto_trace: false, builder, fun_env: &fun_env, type_args: &[], param_substitution: Default::default(), ret_locals: Default::default(), in_post_state: false, shadowed: Default::default(), result: Default::default(), let_locals: Default::default(), in_old: false, }; let exp = translator.translate_exp(prop, false); (translator.result, exp) } pub fn translate_invariants_by_id( auto_trace: bool, builder: &'b mut T, inv_ids: impl Iterator<Item = (GlobalId, Vec<Type>)>, ) -> TranslatedSpec { let global_env = builder.global_env(); SpecTranslator::translate_invariants( auto_trace, builder, inv_ids.map(|(inv_id, inst)| (global_env.get_global_invariant(inv_id).unwrap(), inst)), ) } fn translate_spec(&mut self, for_call: bool) { let fun_env = self.fun_env; let env = fun_env.module_env.env; let spec = fun_env.get_spec(); // A function which determines whether a condition is applicable in the context, which // is `for_call` for the function being called, and `!for_call` if its verified. // If a condition has the `[abstract]` property, it will only be included for calls, // and if it has the `[concrete]` property only for verification. Also, conditions // which are injected from a schema are only included on call site if they are also // exported. let is_applicable = |cond: &&Condition| { let abstract_ = env .is_property_true(&cond.properties, CONDITION_ABSTRACT_PROP) .unwrap_or(false); let concrete = env .is_property_true(&cond.properties, CONDITION_CONCRETE_PROP) .unwrap_or(false); let injected = env .is_property_true(&cond.properties, CONDITION_INJECTED_PROP) .unwrap_or(false); let exported = env .is_property_true(&cond.properties, CONDITION_EXPORT_PROP) .unwrap_or(false); if for_call { (!injected || exported) && (abstract_ || !concrete) } else { concrete || !abstract_ } }; // First process `let` so subsequently expressions can refer to them. self.translate_lets(false, spec); // Next process requires for cond in spec .filter_kind(ConditionKind::Requires) .filter(is_applicable) { self.in_post_state = false; let exp = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), false); self.result.pre.push((cond.loc.clone(), exp)); } // Next process updates. They come between pre and post conditions. for cond in spec .filter_kind(ConditionKind::Update) .filter(is_applicable) { self.in_post_state = false; let lhs = self.translate_exp(&self.auto_trace(&cond.loc, &cond.additional_exps[0]), false); let rhs = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), false); self.result.updates.push((cond.loc.clone(), lhs, rhs)); } // Aborts conditions are translated in post state when they aren't handled for a call // but for a definition. Otherwise, they are translated for a call of an opaque function // and are evaluated in pre state. self.in_post_state = !for_call; for cond in spec .filter_kind(ConditionKind::AbortsIf) .filter(is_applicable) { let code_opt = if cond.additional_exps.is_empty() { None } else { Some(self.translate_exp(&cond.additional_exps[0], self.in_post_state)) }; let exp = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), self.in_post_state); self.result.aborts.push((cond.loc.clone(), exp, code_opt)); } for cond in spec .filter_kind(ConditionKind::AbortsWith) .filter(is_applicable) { let codes = cond .all_exps() .map(|e| self.translate_exp(&self.auto_trace_no_loc(e), self.in_post_state)) .collect_vec(); self.result.aborts_with.push((cond.loc.clone(), codes)); } // If there are no aborts_if and aborts_with, and the pragma `aborts_if_is_strict` is set, // add an implicit aborts_if false. if self.result.aborts.is_empty() && self.result.aborts_with.is_empty() && self .fun_env .is_pragma_true(ABORTS_IF_IS_STRICT_PRAGMA, || false) { self.result.aborts.push(( self.fun_env.get_loc().at_end(), self.builder.mk_bool_const(false), None, )); } // Translate modifies. for cond in spec .filter_kind(ConditionKind::Modifies) .filter(is_applicable) { self.in_post_state = false; for exp in cond.all_exps() { // Auto trace the inner address expression. let exp = match exp.as_ref() { ExpData::Call(id, oper, args) if args.len() == 1 => ExpData::Call( *id, oper.clone(), vec![self.auto_trace(&cond.loc, &args[0])], ) .into_exp(), _ => cond.exp.to_owned(), }; let exp = self.translate_exp(&exp, false); self.result.modifies.push((cond.loc.clone(), exp)); } } // Now translate `let update` which are evaluated in post state. self.translate_lets(true, spec); // Translate ensures. for cond in spec .filter_kind(ConditionKind::Ensures) .filter(is_applicable) { self.in_post_state = true; let exp = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), false); self.result.post.push((cond.loc.clone(), exp)); } // Translate emits. for cond in spec.filter_kind(ConditionKind::Emits).filter(is_applicable) { self.in_post_state = true; let event_exp = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), false); let handle_exp = self.translate_exp(&self.auto_trace_no_loc(&cond.additional_exps[0]), false); let cond_exp = if cond.additional_exps.len() > 1 { Some(self.translate_exp(&self.auto_trace_no_loc(&cond.additional_exps[1]), false)) } else { None }; self.result .emits .push((cond.loc.clone(), event_exp, handle_exp, cond_exp)); } } fn translate_lets(&mut self, post_state: bool, spec: &Spec) { for cond in &spec.conditions { let sym = match &cond.kind { ConditionKind::LetPost(sym) if post_state => sym, ConditionKind::LetPre(sym) if !post_state => sym, _ => continue, }; let exp = self.translate_exp(&self.auto_trace(&cond.loc, &cond.exp), false); let ty = self.builder.global_env().get_node_type(exp.node_id()); let temp = self.builder.add_local(ty.skip_reference().clone()); self.let_locals.insert(*sym, temp); self.result .lets .push((cond.loc.clone(), post_state, temp, exp)); } } fn auto_trace(&self, loc: &Loc, exp: &Exp) -> Exp { if self.auto_trace { self.auto_trace_exp(loc, self.auto_trace_sub(exp), TraceKind::Auto) } else { exp.to_owned() } } fn auto_trace_sub(&self, exp: &Exp) -> Exp { ExpData::rewrite(exp.to_owned(), &mut |e| { let (trace_this, e) = match e.as_ref() { ExpData::Temporary(..) | ExpData::Call(_, Operation::Old, ..) | ExpData::Call(_, Operation::Result(_), ..) => (true, e), ExpData::LocalVar(_, sym) => (self.let_locals.contains_key(sym), e), ExpData::Call(id, Operation::Global(None), args) => ( true, ExpData::Call( *id, Operation::Global(None), vec![self.auto_trace_sub(&args[0])], ) .into_exp(), ), ExpData::Call(id, Operation::Exists(None), args) => ( true, ExpData::Call( *id, Operation::Exists(None), vec![self.auto_trace_sub(&args[0])], ) .into_exp(), ), _ => (false, e), }; if trace_this { let l = self.builder.global_env().get_node_loc(e.node_id()); Ok(self.auto_trace_exp(&l, e, TraceKind::SubAuto)) } else { // descent Err(e) } }) } fn auto_trace_exp(&self, loc: &Loc, exp: Exp, kind: TraceKind) -> Exp { let env = self.builder.global_env(); let id = exp.node_id(); let ty = env.get_node_type(id); let new_id = env.new_node(loc.clone(), ty.clone()); env.set_node_instantiation(new_id, vec![ty]); ExpData::Call(new_id, Operation::Trace(kind), vec![exp]).into_exp() } fn auto_trace_no_loc(&self, exp: &Exp) -> Exp { self.auto_trace(&self.builder.global_env().get_node_loc(exp.node_id()), exp) } fn translate_exp(&mut self, exp: &Exp, in_old: bool) -> Exp { self.in_old = in_old; self.rewrite_exp(exp.to_owned()) } fn is_shadowed(&self, sym: Symbol) -> bool { self.shadowed.iter().any(|bs| bs.contains(&sym)) } /// Apply parameter substitution if present. fn apply_param_substitution(&self, idx: TempIndex) -> TempIndex { if let Some(map) = self.param_substitution { map[idx] } else { idx } } fn save_memory(&mut self, qid: QualifiedInstId<StructId>) -> MemoryLabel { let builder = &mut self.builder; *self .result .saved_memory .entry(qid) .or_insert_with(|| builder.global_env().new_global_id()) } fn save_param(&mut self, idx: TempIndex) -> TempIndex { if let Some(saved) = self.result.saved_params.get(&idx) { *saved } else { let saved = self .builder .new_temp(self.builder.get_local_type(idx).skip_reference().clone()); self.result.saved_params.insert(idx, saved); saved } } } impl<'a, 'b, T: ExpGenerator<'a>> ExpRewriterFunctions for SpecTranslator<'a, 'b, T> { fn rewrite_exp(&mut self, exp: Exp) -> Exp { // Do some pre-processing of the expression before actual rewrite, reporting // errors. let env = self.builder.global_env(); let mut is_old = false; match exp.as_ref() { ExpData::Call(id, Operation::Old, args) => { is_old = true; // Generate an error if an `old` function is applied to a pure expression. let arg = &args[0]; if arg.is_pure(self.builder.global_env()) { let loc = self.builder.global_env().get_node_loc(*id); // Compute labels for any sub-expressions which are included into this // expression via substitution (from schema inclusion, for example). This // is done via checking the location of the sub-expression. We also try // to avoid to report a sub-expression which is a sub-expression of an // already reported one. let mut labels = vec![]; let loc_contained = |loc: &Loc, cont: &Loc| { loc.file_id() == cont.file_id() && cont.span().start() >= loc.span().start() && cont.span().end() <= loc.span().end() }; arg.visit_pre_post(&mut |up: bool, e: &ExpData| { let sub_loc = self.builder.global_env().get_node_loc(e.node_id()); if !up && !loc_contained(&loc, &sub_loc) && !labels.iter().any(|(l, _)| loc_contained(l, &sub_loc)) { labels.push((sub_loc, "substituted sub-expression".to_owned())) } }); self.builder.global_env().diag_with_labels( Severity::Error, &loc, "`old(..)` applied to expression which does not depend on state", labels, ) } } ExpData::Call(id, Operation::Trace(_), args) => { // Generate an error if a TRACE is applied to an expression where it is not // allowed, i.e. if there are free LocalVar terms, excluding locals from lets. let loc = env.get_node_loc(*id); let has_free_vars = args[0] .free_vars(env) .iter() .any(|(s, _)| !self.let_locals.contains_key(s)); if has_free_vars { env.error( &loc, "`TRACE(..)` function cannot be used for expressions depending \ on quantified variables or spec function parameters", ) } } _ => {} } if is_old { self.in_old = true; } let exp = self.rewrite_exp_descent(exp); if is_old { self.in_old = false; } exp } fn rewrite_local_var(&mut self, id: NodeId, sym: Symbol) -> Option<Exp> { if !self.is_shadowed(sym) { if let Some(temp) = self.let_locals.get(&sym) { // Need to create new node id since the replacement `temp` may // differ w.r.t. references. let env = self.builder.global_env(); let new_node_id = env.new_node(env.get_node_loc(id), self.builder.get_local_type(*temp)); return Some(ExpData::Temporary(new_node_id, *temp).into_exp()); } } None } fn rewrite_temporary(&mut self, id: NodeId, idx: TempIndex) -> Option<Exp> { // Compute the effective index. let mut effective_idx = self.apply_param_substitution(idx); let local_type = self.builder.get_local_type(effective_idx); if self.in_old || (self.in_post_state && !local_type.is_mutable_reference()) { // We access a param inside of old context, or a value which might have been // mutated as we are in the post state. We need to create a temporary // to save their value at function entry, and deliver this temporary here. // // Notice that a redundant copy of a value (i.e. one which is not mutated) // is removed by copy propagation, so we do not need to // care about optimizing this here. effective_idx = self.save_param(effective_idx); } if effective_idx != idx { let effective_type = self.builder.get_local_type(effective_idx); let loc = self.builder.global_env().get_node_loc(id); let new_id = self.builder.global_env().new_node(loc, effective_type); Some(ExpData::Temporary(new_id, effective_idx).into_exp()) } else { None } } fn rewrite_call(&mut self, id: NodeId, oper: &Operation, args: &[Exp]) -> Option<Exp> { use ExpData::*; use Operation::*; match oper { Global(None) if self.in_old => Some( Call( id, Global(Some(self.save_memory(self.builder.get_memory_of_node(id)))), args.to_owned(), ) .into_exp(), ), Exists(None) if self.in_old => Some( Call( id, Exists(Some(self.save_memory(self.builder.get_memory_of_node(id)))), args.to_owned(), ) .into_exp(), ), Function(mid, fid, None) if self.in_old => { let used_memory = { let module_env = self.builder.global_env().get_module(*mid); let decl = module_env.get_spec_fun(*fid); // Unfortunately, the below clones are necessary, as we cannot borrow decl // and at the same time mutate self later. decl.used_memory.clone() }; let inst = self.builder.global_env().get_node_instantiation(id); let mut labels = vec![]; for mem in used_memory { let mem = mem.instantiate(&inst); labels.push(self.save_memory(mem)); } Some(Call(id, Function(*mid, *fid, Some(labels)), args.to_owned()).into_exp()) } Old => Some(args[0].to_owned()), Result(n) => { self.builder.set_loc_from_node(id); Some(self.builder.mk_temporary(self.ret_locals[*n])) } Trace(kind) => { let exp = args[0].to_owned(); let env = self.builder.global_env(); let loc = env.get_node_loc(id); let trace_id = env.new_node(loc, env.get_node_type(exp.node_id())); self.result .debug_traces .push((trace_id, *kind, exp.clone())); Some(exp) } _ => None, } } fn rewrite_node_id(&mut self, id: NodeId) -> Option<NodeId> { if self.type_args.is_empty() { None } else { ExpData::instantiate_node(self.builder.global_env(), id, self.type_args) } } fn rewrite_enter_scope<'c>(&mut self, decls: impl Iterator<Item = &'c LocalVarDecl>) { self.shadowed.push(decls.map(|d| d.name).collect()) } fn rewrite_exit_scope(&mut self) { self.shadowed.pop(); } }

d79c81ba1dc5958ebc2ad5ddaa158e0ef34b2c10

mod memory; mod mmap; pub use memory::ArrayReader; pub use mmap::MMappedReader; use serde::Serialize; use std::io::{Read, Result, Seek}; #[derive(Debug, Serialize)] pub struct Name { pub id: usize, pub instance: u32, } pub trait Reader: Seek + Read { fn read_bool(&mut self) -> Result<bool>; fn read_f32(&mut self) -> Result<f32>; fn read_f64(&mut self) -> Result<f64>; fn read_i16(&mut self) -> Result<i16>; fn read_i32(&mut self) -> Result<i32>; fn read_i64(&mut self) -> Result<i64>; fn read_i8(&mut self) -> Result<i8>; fn read_str(&mut self) -> Result<String>; fn read_u128(&mut self) -> Result<u128>; fn read_u16(&mut self) -> Result<u16>; fn read_u32(&mut self) -> Result<u32>; fn read_u64(&mut self) -> Result<u64>; fn read_u8(&mut self) -> Result<u8>; fn read_name(&mut self) -> Result<Name> { Ok(Name { id: self.read_u32()? as usize, instance: self.read_u32()?, }) } fn skip_str(&mut self) -> Result<()>; }

8fd2d77be3910475162bce8b5afd3619b3a2da59

pub trait Deserialize { fn deserialize(); }

f7eca0d799b1372afeea2fe725ef261c7421fcc7

// This file was generated by gir (https://github.com/gtk-rs/gir) // from gir-files (https://github.com/gtk-rs/gir-files.git) // DO NOT EDIT use crate::CellRenderer; use crate::CellRendererMode; use crate::IconSize; use glib::object::Cast; use glib::object::IsA; use glib::object::ObjectType as ObjectType_; use glib::signal::connect_raw; use glib::signal::SignalHandlerId; use glib::translate::*; use glib::StaticType; use glib::ToValue; use std::boxed::Box as Box_; use std::fmt; use std::mem::transmute; glib::wrapper! { #[doc(alias = "GtkCellRendererPixbuf")] pub struct CellRendererPixbuf(Object<ffi::GtkCellRendererPixbuf>) @extends CellRenderer; match fn { type_ => || ffi::gtk_cell_renderer_pixbuf_get_type(), } } impl CellRendererPixbuf { #[doc(alias = "gtk_cell_renderer_pixbuf_new")] pub fn new() -> CellRendererPixbuf { assert_initialized_main_thread!(); unsafe { CellRenderer::from_glib_none(ffi::gtk_cell_renderer_pixbuf_new()).unsafe_cast() } } // rustdoc-stripper-ignore-next /// Creates a new builder-pattern struct instance to construct [`CellRendererPixbuf`] objects. /// /// This method returns an instance of [`CellRendererPixbufBuilder`](crate::builders::CellRendererPixbufBuilder) which can be used to create [`CellRendererPixbuf`] objects. pub fn builder() -> CellRendererPixbufBuilder { CellRendererPixbufBuilder::default() } pub fn gicon(&self) -> Option<gio::Icon> { glib::ObjectExt::property(self, "gicon") } pub fn set_gicon<P: IsA<gio::Icon>>(&self, gicon: Option<&P>) { glib::ObjectExt::set_property(self, "gicon", &gicon) } #[doc(alias = "icon-name")] pub fn icon_name(&self) -> Option<glib::GString> { glib::ObjectExt::property(self, "icon-name") } #[doc(alias = "icon-name")] pub fn set_icon_name(&self, icon_name: Option<&str>) { glib::ObjectExt::set_property(self, "icon-name", &icon_name) } #[doc(alias = "icon-size")] pub fn icon_size(&self) -> IconSize { glib::ObjectExt::property(self, "icon-size") } #[doc(alias = "icon-size")] pub fn set_icon_size(&self, icon_size: IconSize) { glib::ObjectExt::set_property(self, "icon-size", &icon_size) } pub fn set_pixbuf(&self, pixbuf: Option<&gdk_pixbuf::Pixbuf>) { glib::ObjectExt::set_property(self, "pixbuf", &pixbuf) } #[doc(alias = "pixbuf-expander-closed")] pub fn pixbuf_expander_closed(&self) -> Option<gdk_pixbuf::Pixbuf> { glib::ObjectExt::property(self, "pixbuf-expander-closed") } #[doc(alias = "pixbuf-expander-closed")] pub fn set_pixbuf_expander_closed(&self, pixbuf_expander_closed: Option<&gdk_pixbuf::Pixbuf>) { glib::ObjectExt::set_property(self, "pixbuf-expander-closed", &pixbuf_expander_closed) } #[doc(alias = "pixbuf-expander-open")] pub fn pixbuf_expander_open(&self) -> Option<gdk_pixbuf::Pixbuf> { glib::ObjectExt::property(self, "pixbuf-expander-open") } #[doc(alias = "pixbuf-expander-open")] pub fn set_pixbuf_expander_open(&self, pixbuf_expander_open: Option<&gdk_pixbuf::Pixbuf>) { glib::ObjectExt::set_property(self, "pixbuf-expander-open", &pixbuf_expander_open) } pub fn texture(&self) -> Option<gdk::Texture> { glib::ObjectExt::property(self, "texture") } pub fn set_texture<P: IsA<gdk::Texture>>(&self, texture: Option<&P>) { glib::ObjectExt::set_property(self, "texture", &texture) } #[doc(alias = "gicon")] pub fn connect_gicon_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId { unsafe extern "C" fn notify_gicon_trampoline<F: Fn(&CellRendererPixbuf) + 'static>( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::gicon\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_gicon_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "icon-name")] pub fn connect_icon_name_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId { unsafe extern "C" fn notify_icon_name_trampoline<F: Fn(&CellRendererPixbuf) + 'static>( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::icon-name\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_icon_name_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "icon-size")] pub fn connect_icon_size_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId { unsafe extern "C" fn notify_icon_size_trampoline<F: Fn(&CellRendererPixbuf) + 'static>( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::icon-size\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_icon_size_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "pixbuf")] pub fn connect_pixbuf_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId { unsafe extern "C" fn notify_pixbuf_trampoline<F: Fn(&CellRendererPixbuf) + 'static>( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::pixbuf\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_pixbuf_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "pixbuf-expander-closed")] pub fn connect_pixbuf_expander_closed_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId { unsafe extern "C" fn notify_pixbuf_expander_closed_trampoline< F: Fn(&CellRendererPixbuf) + 'static, >( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::pixbuf-expander-closed\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_pixbuf_expander_closed_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "pixbuf-expander-open")] pub fn connect_pixbuf_expander_open_notify<F: Fn(&Self) + 'static>( &self, f: F, ) -> SignalHandlerId { unsafe extern "C" fn notify_pixbuf_expander_open_trampoline< F: Fn(&CellRendererPixbuf) + 'static, >( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::pixbuf-expander-open\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_pixbuf_expander_open_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } #[doc(alias = "texture")] pub fn connect_texture_notify<F: Fn(&Self) + 'static>(&self, f: F) -> SignalHandlerId { unsafe extern "C" fn notify_texture_trampoline<F: Fn(&CellRendererPixbuf) + 'static>( this: *mut ffi::GtkCellRendererPixbuf, _param_spec: glib::ffi::gpointer, f: glib::ffi::gpointer, ) { let f: &F = &*(f as *const F); f(&from_glib_borrow(this)) } unsafe { let f: Box_<F> = Box_::new(f); connect_raw( self.as_ptr() as *mut _, b"notify::texture\0".as_ptr() as *const _, Some(transmute::<_, unsafe extern "C" fn()>( notify_texture_trampoline::<F> as *const (), )), Box_::into_raw(f), ) } } } impl Default for CellRendererPixbuf { fn default() -> Self { Self::new() } } #[derive(Clone, Default)] // rustdoc-stripper-ignore-next /// A [builder-pattern] type to construct [`CellRendererPixbuf`] objects. /// /// [builder-pattern]: https://doc.rust-lang.org/1.0.0/style/ownership/builders.html #[must_use = "The builder must be built to be used"] pub struct CellRendererPixbufBuilder { gicon: Option<gio::Icon>, icon_name: Option<String>, icon_size: Option<IconSize>, pixbuf: Option<gdk_pixbuf::Pixbuf>, pixbuf_expander_closed: Option<gdk_pixbuf::Pixbuf>, pixbuf_expander_open: Option<gdk_pixbuf::Pixbuf>, texture: Option<gdk::Texture>, cell_background: Option<String>, cell_background_rgba: Option<gdk::RGBA>, cell_background_set: Option<bool>, height: Option<i32>, is_expanded: Option<bool>, is_expander: Option<bool>, mode: Option<CellRendererMode>, sensitive: Option<bool>, visible: Option<bool>, width: Option<i32>, xalign: Option<f32>, xpad: Option<u32>, yalign: Option<f32>, ypad: Option<u32>, } impl CellRendererPixbufBuilder { // rustdoc-stripper-ignore-next /// Create a new [`CellRendererPixbufBuilder`]. pub fn new() -> Self { Self::default() } // rustdoc-stripper-ignore-next /// Build the [`CellRendererPixbuf`]. #[must_use = "Building the object from the builder is usually expensive and is not expected to have side effects"] pub fn build(self) -> CellRendererPixbuf { let mut properties: Vec<(&str, &dyn ToValue)> = vec![]; if let Some(ref gicon) = self.gicon { properties.push(("gicon", gicon)); } if let Some(ref icon_name) = self.icon_name { properties.push(("icon-name", icon_name)); } if let Some(ref icon_size) = self.icon_size { properties.push(("icon-size", icon_size)); } if let Some(ref pixbuf) = self.pixbuf { properties.push(("pixbuf", pixbuf)); } if let Some(ref pixbuf_expander_closed) = self.pixbuf_expander_closed { properties.push(("pixbuf-expander-closed", pixbuf_expander_closed)); } if let Some(ref pixbuf_expander_open) = self.pixbuf_expander_open { properties.push(("pixbuf-expander-open", pixbuf_expander_open)); } if let Some(ref texture) = self.texture { properties.push(("texture", texture)); } if let Some(ref cell_background) = self.cell_background { properties.push(("cell-background", cell_background)); } if let Some(ref cell_background_rgba) = self.cell_background_rgba { properties.push(("cell-background-rgba", cell_background_rgba)); } if let Some(ref cell_background_set) = self.cell_background_set { properties.push(("cell-background-set", cell_background_set)); } if let Some(ref height) = self.height { properties.push(("height", height)); } if let Some(ref is_expanded) = self.is_expanded { properties.push(("is-expanded", is_expanded)); } if let Some(ref is_expander) = self.is_expander { properties.push(("is-expander", is_expander)); } if let Some(ref mode) = self.mode { properties.push(("mode", mode)); } if let Some(ref sensitive) = self.sensitive { properties.push(("sensitive", sensitive)); } if let Some(ref visible) = self.visible { properties.push(("visible", visible)); } if let Some(ref width) = self.width { properties.push(("width", width)); } if let Some(ref xalign) = self.xalign { properties.push(("xalign", xalign)); } if let Some(ref xpad) = self.xpad { properties.push(("xpad", xpad)); } if let Some(ref yalign) = self.yalign { properties.push(("yalign", yalign)); } if let Some(ref ypad) = self.ypad { properties.push(("ypad", ypad)); } glib::Object::new::<CellRendererPixbuf>(&properties) .expect("Failed to create an instance of CellRendererPixbuf") } pub fn gicon(mut self, gicon: &impl IsA<gio::Icon>) -> Self { self.gicon = Some(gicon.clone().upcast()); self } pub fn icon_name(mut self, icon_name: &str) -> Self { self.icon_name = Some(icon_name.to_string()); self } pub fn icon_size(mut self, icon_size: IconSize) -> Self { self.icon_size = Some(icon_size); self } pub fn pixbuf(mut self, pixbuf: &gdk_pixbuf::Pixbuf) -> Self { self.pixbuf = Some(pixbuf.clone()); self } pub fn pixbuf_expander_closed(mut self, pixbuf_expander_closed: &gdk_pixbuf::Pixbuf) -> Self { self.pixbuf_expander_closed = Some(pixbuf_expander_closed.clone()); self } pub fn pixbuf_expander_open(mut self, pixbuf_expander_open: &gdk_pixbuf::Pixbuf) -> Self { self.pixbuf_expander_open = Some(pixbuf_expander_open.clone()); self } pub fn texture(mut self, texture: &impl IsA<gdk::Texture>) -> Self { self.texture = Some(texture.clone().upcast()); self } pub fn cell_background(mut self, cell_background: &str) -> Self { self.cell_background = Some(cell_background.to_string()); self } pub fn cell_background_rgba(mut self, cell_background_rgba: &gdk::RGBA) -> Self { self.cell_background_rgba = Some(cell_background_rgba.clone()); self } pub fn cell_background_set(mut self, cell_background_set: bool) -> Self { self.cell_background_set = Some(cell_background_set); self } pub fn height(mut self, height: i32) -> Self { self.height = Some(height); self } pub fn is_expanded(mut self, is_expanded: bool) -> Self { self.is_expanded = Some(is_expanded); self } pub fn is_expander(mut self, is_expander: bool) -> Self { self.is_expander = Some(is_expander); self } pub fn mode(mut self, mode: CellRendererMode) -> Self { self.mode = Some(mode); self } pub fn sensitive(mut self, sensitive: bool) -> Self { self.sensitive = Some(sensitive); self } pub fn visible(mut self, visible: bool) -> Self { self.visible = Some(visible); self } pub fn width(mut self, width: i32) -> Self { self.width = Some(width); self } pub fn xalign(mut self, xalign: f32) -> Self { self.xalign = Some(xalign); self } pub fn xpad(mut self, xpad: u32) -> Self { self.xpad = Some(xpad); self } pub fn yalign(mut self, yalign: f32) -> Self { self.yalign = Some(yalign); self } pub fn ypad(mut self, ypad: u32) -> Self { self.ypad = Some(ypad); self } } impl fmt::Display for CellRendererPixbuf { fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { f.write_str("CellRendererPixbuf") } }

50885e98d0b25916b957369bb9d2feb8e3f5fdbc

mod delete_blob_response; pub use self::delete_blob_response::DeleteBlobResponse; mod release_blob_lease_response; pub use self::release_blob_lease_response::ReleaseBlobLeaseResponse; mod change_blob_lease_response; pub use self::change_blob_lease_response::ChangeBlobLeaseResponse; mod renew_blob_lease_response; pub use self::renew_blob_lease_response::RenewBlobLeaseResponse; mod acquire_blob_lease_response; pub use self::acquire_blob_lease_response::AcquireBlobLeaseResponse; mod get_block_list_response; pub use self::get_block_list_response::GetBlockListResponse; mod put_block_list_response; pub use self::put_block_list_response::PutBlockListResponse; mod put_block_response; pub use self::put_block_response::PutBlockResponse; mod clear_page_response; pub use self::clear_page_response::ClearPageResponse; mod put_block_blob_response; pub use self::put_block_blob_response::PutBlockBlobResponse; mod list_blobs_response; pub use self::list_blobs_response::ListBlobsResponse; mod get_blob_response; pub use self::get_blob_response::GetBlobResponse; mod put_blob_response; pub use self::put_blob_response::PutBlobResponse; mod update_page_response; pub use self::update_page_response::UpdatePageResponse; mod break_blob_lease_response; pub use self::break_blob_lease_response::BreakBlobLeaseResponse; mod copy_blob_from_url_response; pub use copy_blob_from_url_response::CopyBlobFromUrlResponse; mod copy_blob_response; pub use copy_blob_response::CopyBlobResponse;

4b8a88ab2ea4020d857bcb59bb1dc3d1e0eb68bd

// Copyright (c) 2018-2021 The MobileCoin Foundation //! Serves blockchain-related API requests. use grpcio::{RpcContext, RpcStatus, RpcStatusCode, UnarySink}; use mc_common::logger::{log, Logger}; use mc_consensus_api::{ blockchain, consensus_common::{BlocksRequest, BlocksResponse, LastBlockInfoResponse}, consensus_common_grpc::BlockchainApi, empty::Empty, }; use mc_consensus_enclave::FeeMap; use mc_ledger_db::Ledger; use mc_transaction_core::{tokens::Mob, Token}; use mc_util_grpc::{rpc_logger, send_result, Authenticator}; use mc_util_metrics::{self, SVC_COUNTERS}; use protobuf::RepeatedField; use std::{cmp, collections::HashMap, convert::From, iter::FromIterator, sync::Arc}; #[derive(Clone)] pub struct BlockchainApiService<L: Ledger + Clone> { /// Ledger Database. ledger: L, /// GRPC request authenticator. authenticator: Arc<dyn Authenticator + Send + Sync>, /// Maximal number of results to return in API calls that return multiple /// results. max_page_size: u16, /// Minimum fee per token. fee_map: FeeMap, /// Logger. logger: Logger, } impl<L: Ledger + Clone> BlockchainApiService<L> { pub fn new( ledger: L, authenticator: Arc<dyn Authenticator + Send + Sync>, fee_map: FeeMap, logger: Logger, ) -> Self { BlockchainApiService { ledger, authenticator, max_page_size: 2000, fee_map, logger, } } // Set the maximum number of items returned for a single request. #[allow(dead_code)] pub fn set_max_page_size(&mut self, max_page_size: u16) { self.max_page_size = max_page_size; } /// Returns information about the last block. fn get_last_block_info_helper(&mut self) -> Result<LastBlockInfoResponse, mc_ledger_db::Error> { let num_blocks = self.ledger.num_blocks()?; let mut resp = LastBlockInfoResponse::new(); resp.set_index(num_blocks - 1); resp.set_mob_minimum_fee( self.fee_map .get_fee_for_token(&Mob::ID) .expect("should always have a fee for MOB"), ); resp.set_minimum_fees(HashMap::from_iter( self.fee_map .iter() .map(|(token_id, fee)| (**token_id, *fee)), )); Ok(resp) } /// Returns blocks in the range [offset, offset + limit). /// /// If `limit` exceeds `max_page_size`, then only [offset, offset + /// max_page_size) is returned. If `limit` exceeds the maximum index in /// the database, then only [offset, max_index] is returned. This method /// is a hack to expose the `get_blocks` implementation for unit testing. fn get_blocks_helper(&mut self, offset: u64, limit: u32) -> Result<BlocksResponse, ()> { let start_index = offset; let end_index = offset + cmp::min(limit, self.max_page_size as u32) as u64; // Get "persistence type" blocks. let mut block_entities: Vec<mc_transaction_core::Block> = vec![]; for block_index in start_index..end_index { match self.ledger.get_block(block_index as u64) { Ok(block) => block_entities.push(block), Err(mc_ledger_db::Error::NotFound) => { // This is okay - it means we have reached the last block in the ledger in the // previous loop iteration. break; } Err(error) => { log::error!( self.logger, "Error getting block {}: {:?}", block_index, error ); break; } } } // Convert to "API type" blocks. let blocks: Vec<blockchain::Block> = block_entities .into_iter() .map(|block| blockchain::Block::from(&block)) .collect(); let mut response = BlocksResponse::new(); response.set_blocks(RepeatedField::from_vec(blocks)); Ok(response) } } impl<L: Ledger + Clone> BlockchainApi for BlockchainApiService<L> { /// Gets the last block. fn get_last_block_info( &mut self, ctx: RpcContext, _request: Empty, sink: UnarySink<LastBlockInfoResponse>, ) { let _timer = SVC_COUNTERS.req(&ctx); mc_common::logger::scoped_global_logger(&rpc_logger(&ctx, &self.logger), |logger| { if let Err(err) = self.authenticator.authenticate_rpc(&ctx) { return send_result(ctx, sink, err.into(), logger); } let resp = self .get_last_block_info_helper() .map_err(|_| RpcStatus::new(RpcStatusCode::INTERNAL)); send_result(ctx, sink, resp, logger); }); } /// Gets a range [offset, offset+limit) of Blocks. fn get_blocks( &mut self, ctx: RpcContext, request: BlocksRequest, sink: UnarySink<BlocksResponse>, ) { let _timer = SVC_COUNTERS.req(&ctx); mc_common::logger::scoped_global_logger(&rpc_logger(&ctx, &self.logger), |logger| { if let Err(err) = self.authenticator.authenticate_rpc(&ctx) { return send_result(ctx, sink, err.into(), logger); } log::trace!( logger, "Received BlocksRequest for offset {} and limit {})", request.offset, request.limit ); let resp = self .get_blocks_helper(request.offset, request.limit) .map_err(|_| RpcStatus::new(RpcStatusCode::INTERNAL)); send_result(ctx, sink, resp, logger); }); } } #[cfg(test)] mod tests { use super::*; use grpcio::{ChannelBuilder, Environment, Error as GrpcError, Server, ServerBuilder}; use mc_common::{logger::test_with_logger, time::SystemTimeProvider}; use mc_consensus_api::consensus_common_grpc::{self, BlockchainApiClient}; use mc_transaction_core::{BlockVersion, TokenId}; use mc_transaction_core_test_utils::{create_ledger, initialize_ledger, AccountKey}; use mc_util_grpc::{AnonymousAuthenticator, TokenAuthenticator}; use rand::{rngs::StdRng, SeedableRng}; use std::{ collections::HashMap, iter::FromIterator, sync::atomic::{AtomicUsize, Ordering::SeqCst}, time::Duration, }; fn get_free_port() -> u16 { static PORT_NR: AtomicUsize = AtomicUsize::new(0); PORT_NR.fetch_add(1, SeqCst) as u16 + 30200 } /// Starts the service on localhost and connects a client to it. fn get_client_server<L: Ledger + Clone + 'static>( instance: BlockchainApiService<L>, ) -> (BlockchainApiClient, Server) { let service = consensus_common_grpc::create_blockchain_api(instance); let env = Arc::new(Environment::new(1)); let mut server = ServerBuilder::new(env.clone()) .register_service(service) .bind("127.0.0.1", get_free_port()) .build() .unwrap(); server.start(); let (_, port) = server.bind_addrs().next().unwrap(); let ch = ChannelBuilder::new(env).connect(&format!("127.0.0.1:{}", port)); let client = BlockchainApiClient::new(ch); (client, server) } #[test_with_logger] // `get_last_block_info` should returns the last block. fn test_get_last_block_info(logger: Logger) { let fee_map = FeeMap::try_from_iter([(Mob::ID, 12345), (TokenId::from(60), 10203040)]).unwrap(); let mut ledger_db = create_ledger(); let authenticator = Arc::new(AnonymousAuthenticator::default()); let mut rng: StdRng = SeedableRng::from_seed([1u8; 32]); let account_key = AccountKey::random(&mut rng); let block_entities = initialize_ledger( BlockVersion::MAX, &mut ledger_db, 10, &account_key, &mut rng, ); let mut expected_response = LastBlockInfoResponse::new(); expected_response.set_index(block_entities.last().unwrap().index); expected_response.set_mob_minimum_fee(12345); expected_response.set_minimum_fees(HashMap::from_iter(vec![(0, 12345), (60, 10203040)])); assert_eq!( block_entities.last().unwrap().index, ledger_db.num_blocks().unwrap() - 1 ); let mut blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, fee_map, logger); let block_response = blockchain_api_service.get_last_block_info_helper().unwrap(); assert_eq!(block_response, expected_response); } #[test_with_logger] // `get_last_block_info` should reject unauthenticated responses when configured // with an authenticator. fn test_get_last_block_info_rejects_unauthenticated(logger: Logger) { let ledger_db = create_ledger(); let authenticator = Arc::new(TokenAuthenticator::new( [1; 32], Duration::from_secs(60), SystemTimeProvider::default(), )); let blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, FeeMap::default(), logger); let (client, _server) = get_client_server(blockchain_api_service); match client.get_last_block_info(&Empty::default()) { Ok(response) => { panic!("Unexpected response {:?}", response); } Err(GrpcError::RpcFailure(rpc_status)) => { assert_eq!(rpc_status.code(), RpcStatusCode::UNAUTHENTICATED); } Err(err @ _) => { panic!("Unexpected error {:?}", err); } } } #[test_with_logger] // `get_blocks` should returns the correct range of blocks. fn test_get_blocks_response_range(logger: Logger) { let mut ledger_db = create_ledger(); let authenticator = Arc::new(AnonymousAuthenticator::default()); let mut rng: StdRng = SeedableRng::from_seed([1u8; 32]); let account_key = AccountKey::random(&mut rng); let block_entities = initialize_ledger( BlockVersion::MAX, &mut ledger_db, 10, &account_key, &mut rng, ); let expected_blocks: Vec<blockchain::Block> = block_entities .into_iter() .map(|block_entity| blockchain::Block::from(&block_entity)) .collect(); let mut blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, FeeMap::default(), logger); { // The empty range [0,0) should return an empty collection of Blocks. let block_response = blockchain_api_service.get_blocks_helper(0, 0).unwrap(); assert_eq!(0, block_response.blocks.len()); } { // The singleton range [0,1) should return a single Block. let block_response = blockchain_api_service.get_blocks_helper(0, 1).unwrap(); let blocks = block_response.blocks; assert_eq!(1, blocks.len()); assert_eq!(expected_blocks.get(0).unwrap(), blocks.get(0).unwrap()); } { // The range [0,10) should return 10 Blocks. let block_response = blockchain_api_service.get_blocks_helper(0, 10).unwrap(); let blocks = block_response.blocks; assert_eq!(10, blocks.len()); assert_eq!(expected_blocks.get(0).unwrap(), blocks.get(0).unwrap()); assert_eq!(expected_blocks.get(7).unwrap(), blocks.get(7).unwrap()); assert_eq!(expected_blocks.get(9).unwrap(), blocks.get(9).unwrap()); } } #[test_with_logger] // `get_blocks` should return the intersection of the request with the available // data if a client requests data that does not exist. fn test_get_blocks_request_out_of_bounds(logger: Logger) { let mut ledger_db = create_ledger(); let authenticator = Arc::new(AnonymousAuthenticator::default()); let mut rng: StdRng = SeedableRng::from_seed([1u8; 32]); let account_key = AccountKey::random(&mut rng); let _blocks = initialize_ledger( BlockVersion::MAX, &mut ledger_db, 10, &account_key, &mut rng, ); let mut blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, FeeMap::default(), logger); { // The range [0, 1000) requests values that don't exist. The response should // contain [0,10). let block_response = blockchain_api_service.get_blocks_helper(0, 1000).unwrap(); assert_eq!(10, block_response.blocks.len()); } } #[test_with_logger] // `get_blocks` should only return the "maximum" number of items if the // requested range is larger. fn test_get_blocks_max_size(logger: Logger) { let mut ledger_db = create_ledger(); let authenticator = Arc::new(AnonymousAuthenticator::default()); let mut rng: StdRng = SeedableRng::from_seed([1u8; 32]); let account_key = AccountKey::random(&mut rng); let block_entities = initialize_ledger( BlockVersion::MAX, &mut ledger_db, 10, &account_key, &mut rng, ); let expected_blocks: Vec<blockchain::Block> = block_entities .into_iter() .map(|block_entity| blockchain::Block::from(&block_entity)) .collect(); let mut blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, FeeMap::default(), logger); blockchain_api_service.set_max_page_size(5); // The request exceeds the max_page_size, so only max_page_size items should be // returned. let block_response = blockchain_api_service.get_blocks_helper(0, 100).unwrap(); let blocks = block_response.blocks; assert_eq!(5, blocks.len()); assert_eq!(expected_blocks.get(0).unwrap(), blocks.get(0).unwrap()); assert_eq!(expected_blocks.get(4).unwrap(), blocks.get(4).unwrap()); } #[test_with_logger] // `get_blocks` should reject unauthenticated responses when configured with an // authenticator. fn test_get_blocks_rejects_unauthenticated(logger: Logger) { let ledger_db = create_ledger(); let authenticator = Arc::new(TokenAuthenticator::new( [1; 32], Duration::from_secs(60), SystemTimeProvider::default(), )); let blockchain_api_service = BlockchainApiService::new(ledger_db, authenticator, FeeMap::default(), logger); let (client, _server) = get_client_server(blockchain_api_service); match client.get_blocks(&BlocksRequest::default()) { Ok(response) => { panic!("Unexpected response {:?}", response); } Err(GrpcError::RpcFailure(rpc_status)) => { assert_eq!(rpc_status.code(), RpcStatusCode::UNAUTHENTICATED); } Err(err @ _) => { panic!("Unexpected error {:?}", err); } } } }

1a1f5389820c8ef7a35bab04cde1a0a8a6cd9a66

// unihernandez22 // https://codeforces.com/problemset/problem/580/A use std::io; fn main() { io::stdin().read_line(&mut String::new()).unwrap(); let mut s = String::new(); io::stdin().read_line(&mut s).unwrap(); let words: Vec<i64> = s.split_whitespace().map(|x| x.parse().unwrap()).collect(); let mut iterable = words.iter(); let mut total = 1; let mut max = 0; let mut value = iterable.next(); let mut next = iterable.next(); while next != None { if next.unwrap() >= value.unwrap() { total += 1; } else if total > max { max = total; total = 1; } else { total = 1; } value = next; next = iterable.next() } if max < total { max = total; } println!("{}", max); }

e90db682adf019d60a943518cd3022b14af6f0bd

// enums1.rs // Make me compile! Execute `rustlings hint enums1` for hints! #[derive(Debug)] enum Message { // TODO: define a few types of messages as used below ChangeColor, Echo, Move, Quit } fn main() { println!("{:?}", Message::Quit); println!("{:?}", Message::Echo); println!("{:?}", Message::Move); println!("{:?}", Message::ChangeColor); }

5dcf5538b47c72649bfa77198ffd0b5309678455

//! A trait to represent a stream use crate::transport::smtp::{client::mock::MockStream, error::Error}; #[cfg(feature = "native-tls")] use native_tls::{TlsConnector, TlsStream}; #[cfg(feature = "rustls-tls")] use rustls::{ClientConfig, ClientSession}; #[cfg(feature = "native-tls")] use std::io::ErrorKind; #[cfg(feature = "rustls-tls")] use std::sync::Arc; use std::{ io::{self, Read, Write}, net::{Ipv4Addr, Shutdown, SocketAddr, SocketAddrV4, TcpStream, ToSocketAddrs}, time::Duration, }; /// Parameters to use for secure clients #[derive(Clone)] #[allow(missing_debug_implementations)] pub struct TlsParameters { /// A connector from `native-tls` #[cfg(feature = "native-tls")] connector: TlsConnector, /// A client from `rustls` #[cfg(feature = "rustls-tls")] // TODO use the same in all transports of the client connector: Box<ClientConfig>, /// The domain name which is expected in the TLS certificate from the server domain: String, } impl TlsParameters { /// Creates a `TlsParameters` #[cfg(feature = "native-tls")] pub fn new(domain: String, connector: TlsConnector) -> Self { Self { connector, domain } } /// Creates a `TlsParameters` #[cfg(feature = "rustls-tls")] pub fn new(domain: String, connector: ClientConfig) -> Self { Self { connector: Box::new(connector), domain, } } } /// Represents the different types of underlying network streams pub enum NetworkStream { /// Plain TCP stream Tcp(TcpStream), /// Encrypted TCP stream #[cfg(feature = "native-tls")] Tls(Box<TlsStream<TcpStream>>), #[cfg(feature = "rustls-tls")] Tls(Box<rustls::StreamOwned<ClientSession, TcpStream>>), /// Mock stream Mock(MockStream), } impl NetworkStream { /// Returns peer's address pub fn peer_addr(&self) -> io::Result<SocketAddr> { match *self { NetworkStream::Tcp(ref s) => s.peer_addr(), #[cfg(feature = "native-tls")] NetworkStream::Tls(ref s) => s.get_ref().peer_addr(), #[cfg(feature = "rustls-tls")] NetworkStream::Tls(ref s) => s.get_ref().peer_addr(), NetworkStream::Mock(_) => Ok(SocketAddr::V4(SocketAddrV4::new( Ipv4Addr::new(127, 0, 0, 1), 80, ))), } } /// Shutdowns the connection pub fn shutdown(&self, how: Shutdown) -> io::Result<()> { match *self { NetworkStream::Tcp(ref s) => s.shutdown(how), #[cfg(feature = "native-tls")] NetworkStream::Tls(ref s) => s.get_ref().shutdown(how), #[cfg(feature = "rustls-tls")] NetworkStream::Tls(ref s) => s.get_ref().shutdown(how), NetworkStream::Mock(_) => Ok(()), } } pub fn connect<T: ToSocketAddrs>( server: T, timeout: Option<Duration>, tls_parameters: Option<&TlsParameters>, ) -> Result<NetworkStream, Error> { fn try_connect_timeout<T: ToSocketAddrs>( server: T, timeout: Duration, ) -> Result<TcpStream, Error> { let addrs = server.to_socket_addrs()?; for addr in addrs { let result = TcpStream::connect_timeout(&addr, timeout); if result.is_ok() { return result.map_err(|e| e.into()); } } Err(Error::Client("Could not connect")) } let tcp_stream = match timeout { Some(t) => try_connect_timeout(server, t)?, None => TcpStream::connect(server)?, }; match tls_parameters { #[cfg(feature = "native-tls")] Some(context) => context .connector .connect(context.domain.as_ref(), tcp_stream) .map(|tls| NetworkStream::Tls(Box::new(tls))) .map_err(|e| Error::Io(io::Error::new(ErrorKind::Other, e))), #[cfg(feature = "rustls-tls")] Some(context) => { let domain = webpki::DNSNameRef::try_from_ascii_str(&context.domain)?; Ok(NetworkStream::Tls(Box::new(rustls::StreamOwned::new( ClientSession::new(&Arc::new(*context.connector.clone()), domain), tcp_stream, )))) } #[cfg(not(any(feature = "native-tls", feature = "rustls-tls")))] Some(_) => panic!("TLS configuration without support"), None => Ok(NetworkStream::Tcp(tcp_stream)), } } #[allow(unused_variables, unreachable_code)] pub fn upgrade_tls(&mut self, tls_parameters: &TlsParameters) -> Result<(), Error> { *self = match *self { #[cfg(feature = "native-tls")] NetworkStream::Tcp(ref mut stream) => match tls_parameters .connector .connect(tls_parameters.domain.as_ref(), stream.try_clone().unwrap()) { Ok(tls_stream) => NetworkStream::Tls(Box::new(tls_stream)), Err(err) => return Err(Error::Io(io::Error::new(ErrorKind::Other, err))), }, #[cfg(feature = "rustls-tls")] NetworkStream::Tcp(ref mut stream) => { let domain = webpki::DNSNameRef::try_from_ascii_str(&tls_parameters.domain)?; NetworkStream::Tls(Box::new(rustls::StreamOwned::new( ClientSession::new(&Arc::new(*tls_parameters.connector.clone()), domain), stream.try_clone().unwrap(), ))) } #[cfg(not(any(feature = "native-tls", feature = "rustls-tls")))] NetworkStream::Tcp(_) => panic!("STARTTLS without TLS support"), #[cfg(any(feature = "native-tls", feature = "rustls-tls"))] NetworkStream::Tls(_) => return Ok(()), NetworkStream::Mock(_) => return Ok(()), }; Ok(()) } pub fn is_encrypted(&self) -> bool { match *self { NetworkStream::Tcp(_) | NetworkStream::Mock(_) => false, #[cfg(any(feature = "native-tls", feature = "rustls-tls"))] NetworkStream::Tls(_) => true, } } pub fn set_read_timeout(&mut self, duration: Option<Duration>) -> io::Result<()> { match *self { NetworkStream::Tcp(ref mut stream) => stream.set_read_timeout(duration), #[cfg(any(feature = "native-tls", feature = "rustls-tls"))] NetworkStream::Tls(ref mut stream) => stream.get_ref().set_read_timeout(duration), NetworkStream::Mock(_) => Ok(()), } } /// Set write timeout for IO calls pub fn set_write_timeout(&mut self, duration: Option<Duration>) -> io::Result<()> { match *self { NetworkStream::Tcp(ref mut stream) => stream.set_write_timeout(duration), #[cfg(any(feature = "native-tls", feature = "rustls-tls"))] NetworkStream::Tls(ref mut stream) => stream.get_ref().set_write_timeout(duration), NetworkStream::Mock(_) => Ok(()), } } } impl Read for NetworkStream { fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> { match *self { NetworkStream::Tcp(ref mut s) => s.read(buf), #[cfg(feature = "native-tls")] NetworkStream::Tls(ref mut s) => s.read(buf), #[cfg(feature = "rustls-tls")] NetworkStream::Tls(ref mut s) => s.read(buf), NetworkStream::Mock(ref mut s) => s.read(buf), } } } impl Write for NetworkStream { fn write(&mut self, buf: &[u8]) -> io::Result<usize> { match *self { NetworkStream::Tcp(ref mut s) => s.write(buf), #[cfg(feature = "native-tls")] NetworkStream::Tls(ref mut s) => s.write(buf), #[cfg(feature = "rustls-tls")] NetworkStream::Tls(ref mut s) => s.write(buf), NetworkStream::Mock(ref mut s) => s.write(buf), } } fn flush(&mut self) -> io::Result<()> { match *self { NetworkStream::Tcp(ref mut s) => s.flush(), #[cfg(feature = "native-tls")] NetworkStream::Tls(ref mut s) => s.flush(), #[cfg(feature = "rustls-tls")] NetworkStream::Tls(ref mut s) => s.flush(), NetworkStream::Mock(ref mut s) => s.flush(), } } }

e4904863a94bc195a66b4d28e5e84e9abeeb1663

// Copyright 2012 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. // Code that generates a test runner to run all the tests in a crate use driver::session; use front::config; use std::vec; use syntax::ast_util::*; use syntax::attr::AttrMetaMethods; use syntax::attr; use syntax::codemap::{dummy_sp, Span, ExpnInfo, NameAndSpan}; use syntax::codemap; use syntax::ext::base::ExtCtxt; use syntax::fold::ast_fold; use syntax::fold; use syntax::opt_vec; use syntax::print::pprust; use syntax::{ast, ast_util}; struct Test { span: Span, path: ~[ast::Ident], bench: bool, ignore: bool, should_fail: bool } struct TestCtxt { sess: session::Session, path: ~[ast::Ident], ext_cx: @ExtCtxt, testfns: ~[Test], is_extra: bool, config: ast::CrateConfig, } // Traverse the crate, collecting all the test functions, eliding any // existing main functions, and synthesizing a main test harness pub fn modify_for_testing(sess: session::Session, crate: ast::Crate) -> ast::Crate { // We generate the test harness when building in the 'test' // configuration, either with the '--test' or '--cfg test' // command line options. let should_test = attr::contains_name(crate.config, "test"); if should_test { generate_test_harness(sess, crate) } else { strip_test_functions(crate) } } struct TestHarnessGenerator { cx: @mut TestCtxt, } impl fold::ast_fold for TestHarnessGenerator { fn fold_crate(&self, c: ast::Crate) -> ast::Crate { let folded = fold::noop_fold_crate(c, self); // Add a special __test module to the crate that will contain code // generated for the test harness ast::Crate { module: add_test_module(self.cx, &folded.module), .. folded } } fn fold_item(&self, i: @ast::item) -> Option<@ast::item> { self.cx.path.push(i.ident); debug2!("current path: {}", ast_util::path_name_i(self.cx.path.clone())); if is_test_fn(self.cx, i) || is_bench_fn(i) { match i.node { ast::item_fn(_, purity, _, _, _) if purity == ast::unsafe_fn => { let sess = self.cx.sess; sess.span_fatal(i.span, "unsafe functions cannot be used for \ tests"); } _ => { debug2!("this is a test function"); let test = Test { span: i.span, path: self.cx.path.clone(), bench: is_bench_fn(i), ignore: is_ignored(self.cx, i), should_fail: should_fail(i) }; self.cx.testfns.push(test); // debug2!("have {} test/bench functions", // cx.testfns.len()); } } } let res = fold::noop_fold_item(i, self); self.cx.path.pop(); return res; } fn fold_mod(&self, m: &ast::_mod) -> ast::_mod { // Remove any #[main] from the AST so it doesn't clash with // the one we're going to add. Only if compiling an executable. fn nomain(cx: @mut TestCtxt, item: @ast::item) -> @ast::item { if !*cx.sess.building_library { @ast::item { attrs: do item.attrs.iter().filter_map |attr| { if "main" != attr.name() { Some(*attr) } else { None } }.collect(), .. (*item).clone() } } else { item } } let mod_nomain = ast::_mod { view_items: m.view_items.clone(), items: m.items.iter().map(|i| nomain(self.cx, *i)).collect(), }; fold::noop_fold_mod(&mod_nomain, self) } } fn generate_test_harness(sess: session::Session, crate: ast::Crate) -> ast::Crate { let cx: @mut TestCtxt = @mut TestCtxt { sess: sess, ext_cx: ExtCtxt::new(sess.parse_sess, sess.opts.cfg.clone()), path: ~[], testfns: ~[], is_extra: is_extra(&crate), config: crate.config.clone(), }; let ext_cx = cx.ext_cx; ext_cx.bt_push(ExpnInfo { call_site: dummy_sp(), callee: NameAndSpan { name: @"test", span: None } }); let fold = TestHarnessGenerator { cx: cx }; let res = fold.fold_crate(crate); ext_cx.bt_pop(); return res; } fn strip_test_functions(crate: ast::Crate) -> ast::Crate { // When not compiling with --test we should not compile the // #[test] functions do config::strip_items(crate) |attrs| { !attr::contains_name(attrs, "test") && !attr::contains_name(attrs, "bench") } } fn is_test_fn(cx: @mut TestCtxt, i: @ast::item) -> bool { let has_test_attr = attr::contains_name(i.attrs, "test"); fn has_test_signature(i: @ast::item) -> bool { match &i.node { &ast::item_fn(ref decl, _, _, ref generics, _) => { let no_output = match decl.output.node { ast::ty_nil => true, _ => false }; decl.inputs.is_empty() && no_output && !generics.is_parameterized() } _ => false } } if has_test_attr && !has_test_signature(i) { let sess = cx.sess; sess.span_err( i.span, "functions used as tests must have signature fn() -> ()." ); } return has_test_attr && has_test_signature(i); } fn is_bench_fn(i: @ast::item) -> bool { let has_bench_attr = attr::contains_name(i.attrs, "bench"); fn has_test_signature(i: @ast::item) -> bool { match i.node { ast::item_fn(ref decl, _, _, ref generics, _) => { let input_cnt = decl.inputs.len(); let no_output = match decl.output.node { ast::ty_nil => true, _ => false }; let tparm_cnt = generics.ty_params.len(); // NB: inadequate check, but we're running // well before resolve, can't get too deep. input_cnt == 1u && no_output && tparm_cnt == 0u } _ => false } } return has_bench_attr && has_test_signature(i); } fn is_ignored(cx: @mut TestCtxt, i: @ast::item) -> bool { do i.attrs.iter().any |attr| { // check ignore(cfg(foo, bar)) "ignore" == attr.name() && match attr.meta_item_list() { Some(ref cfgs) => attr::test_cfg(cx.config, cfgs.iter().map(|x| *x)), None => true } } } fn should_fail(i: @ast::item) -> bool { attr::contains_name(i.attrs, "should_fail") } fn add_test_module(cx: &TestCtxt, m: &ast::_mod) -> ast::_mod { let testmod = mk_test_module(cx); ast::_mod { items: vec::append_one(m.items.clone(), testmod), ..(*m).clone() } } /* We're going to be building a module that looks more or less like: mod __test { #[!resolve_unexported] extern mod extra (name = "extra", vers = "..."); fn main() { #[main]; extra::test::test_main_static(::os::args(), tests) } static tests : &'static [extra::test::TestDescAndFn] = &[ ... the list of tests in the crate ... ]; } */ fn mk_std(cx: &TestCtxt) -> ast::view_item { let id_extra = cx.sess.ident_of("extra"); let vi = if cx.is_extra { ast::view_item_use( ~[@nospan(ast::view_path_simple(id_extra, path_node(~[id_extra]), ast::DUMMY_NODE_ID))]) } else { let mi = attr::mk_name_value_item_str(@"vers", @"0.9-pre"); ast::view_item_extern_mod(id_extra, None, ~[mi], ast::DUMMY_NODE_ID) }; ast::view_item { node: vi, attrs: ~[], vis: ast::public, span: dummy_sp() } } fn mk_test_module(cx: &TestCtxt) -> @ast::item { // Link to extra let view_items = ~[mk_std(cx)]; // A constant vector of test descriptors. let tests = mk_tests(cx); // The synthesized main function which will call the console test runner // with our list of tests let mainfn = (quote_item!(cx.ext_cx, pub fn main() { #[main]; extra::test::test_main_static(::std::os::args(), TESTS); } )).unwrap(); let testmod = ast::_mod { view_items: view_items, items: ~[mainfn, tests], }; let item_ = ast::item_mod(testmod); // This attribute tells resolve to let us call unexported functions let resolve_unexported_attr = attr::mk_attr(attr::mk_word_item(@"!resolve_unexported")); let item = ast::item { ident: cx.sess.ident_of("__test"), attrs: ~[resolve_unexported_attr], id: ast::DUMMY_NODE_ID, node: item_, vis: ast::public, span: dummy_sp(), }; debug2!("Synthetic test module:\n{}\n", pprust::item_to_str(@item.clone(), cx.sess.intr())); return @item; } fn nospan<T>(t: T) -> codemap::Spanned<T> { codemap::Spanned { node: t, span: dummy_sp() } } fn path_node(ids: ~[ast::Ident]) -> ast::Path { ast::Path { span: dummy_sp(), global: false, segments: ids.move_iter().map(|identifier| ast::PathSegment { identifier: identifier, lifetime: None, types: opt_vec::Empty, }).collect() } } fn path_node_global(ids: ~[ast::Ident]) -> ast::Path { ast::Path { span: dummy_sp(), global: true, segments: ids.move_iter().map(|identifier| ast::PathSegment { identifier: identifier, lifetime: None, types: opt_vec::Empty, }).collect() } } fn mk_tests(cx: &TestCtxt) -> @ast::item { // The vector of test_descs for this crate let test_descs = mk_test_descs(cx); (quote_item!(cx.ext_cx, pub static TESTS : &'static [self::extra::test::TestDescAndFn] = $test_descs ; )).unwrap() } fn is_extra(crate: &ast::Crate) -> bool { let items = attr::find_linkage_metas(crate.attrs); match attr::last_meta_item_value_str_by_name(items, "name") { Some(s) if "extra" == s => true, _ => false } } fn mk_test_descs(cx: &TestCtxt) -> @ast::Expr { debug2!("building test vector from {} tests", cx.testfns.len()); let mut descs = ~[]; for test in cx.testfns.iter() { descs.push(mk_test_desc_and_fn_rec(cx, test)); } let inner_expr = @ast::Expr { id: ast::DUMMY_NODE_ID, node: ast::ExprVec(descs, ast::MutImmutable), span: dummy_sp(), }; @ast::Expr { id: ast::DUMMY_NODE_ID, node: ast::ExprVstore(inner_expr, ast::ExprVstoreSlice), span: dummy_sp(), } } fn mk_test_desc_and_fn_rec(cx: &TestCtxt, test: &Test) -> @ast::Expr { let span = test.span; let path = test.path.clone(); debug2!("encoding {}", ast_util::path_name_i(path)); let name_lit: ast::lit = nospan(ast::lit_str(ast_util::path_name_i(path).to_managed())); let name_expr = @ast::Expr { id: ast::DUMMY_NODE_ID, node: ast::ExprLit(@name_lit), span: span }; let fn_path = path_node_global(path); let fn_expr = @ast::Expr { id: ast::DUMMY_NODE_ID, node: ast::ExprPath(fn_path), span: span, }; let t_expr = if test.bench { quote_expr!(cx.ext_cx, self::extra::test::StaticBenchFn($fn_expr) ) } else { quote_expr!(cx.ext_cx, self::extra::test::StaticTestFn($fn_expr) ) }; let ignore_expr = if test.ignore { quote_expr!(cx.ext_cx, true ) } else { quote_expr!(cx.ext_cx, false ) }; let fail_expr = if test.should_fail { quote_expr!(cx.ext_cx, true ) } else { quote_expr!(cx.ext_cx, false ) }; let e = quote_expr!(cx.ext_cx, self::extra::test::TestDescAndFn { desc: self::extra::test::TestDesc { name: self::extra::test::StaticTestName($name_expr), ignore: $ignore_expr, should_fail: $fail_expr }, testfn: $t_expr, } ); e }

7a1828b6739f1291bd7788a564b108c2bce8f824

// Copyright 2018 The Fuchsia Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. pub mod nonce; // Used in PRF as specified in IEEE Std 802.11-2016, 12.7.1.2. use crate::Error; use anyhow::ensure; use mundane::hash::Digest; #[allow(deprecated)] use mundane::insecure::InsecureHmacSha1; const VALID_PRF_BIT_SIZES: [usize; 6] = [128, 192, 256, 384, 512, 704]; // IEEE Std 802.11-2016, 12.7.1.2 // HMAC-SHA1 is considered insecure but is required to be used in IEEE 802.11's PRF. #[allow(deprecated)] pub(crate) fn prf(k: &[u8], a: &str, b: &[u8], bits: usize) -> Result<Vec<u8>, anyhow::Error> { ensure!(VALID_PRF_BIT_SIZES.contains(&bits), Error::InvalidBitSize(bits)); let mut result = Vec::with_capacity(bits / 8); let iterations = (bits + 159) / 160; for i in 0..iterations { let mut hmac: InsecureHmacSha1 = InsecureHmacSha1::insecure_new(k); hmac.insecure_update(a.as_bytes()); hmac.insecure_update(&[0u8]); hmac.insecure_update(b); hmac.insecure_update(&[i as u8]); result.extend_from_slice(&hmac.insecure_finish().bytes()[..]); } result.resize(bits / 8, 0); Ok(result) } #[cfg(test)] mod tests { use super::*; use hex::FromHex; const VALID_BIT_SIZES: [usize; 6] = [128, 192, 256, 384, 512, 704]; // IEEE Std 802.11-2016, J.3.2, Test case 1 #[test] fn test_prf_test_case_1() { let key = Vec::from_hex("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b").unwrap(); let actual = prf(&key[..], "prefix", "Hi There".as_bytes(), 512); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("bcd4c650b30b9684951829e0d75f9d54b862175ed9f00606e17d8da35402ffee75df78c3d31e0f889f012120c0862beb67753e7439ae242edb8373698356cf5a").unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.3.2, Test case 2 #[test] fn test_prf_test_case_2() { let key = "Jefe".as_bytes(); let actual = prf(&key[..], "prefix", "what do ya want for nothing?".as_bytes(), 512); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("51f4de5b33f249adf81aeb713a3c20f4fe631446fabdfa58244759ae58ef9009a99abf4eac2ca5fa87e692c440eb40023e7babb206d61de7b92f41529092b8fc").unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.3.2, Test case 3 #[test] fn test_prf_test_case_3() { let key = Vec::from_hex("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").unwrap(); let data: [u8; 50] = [0xdd; 50]; let actual = prf(&key[..], "prefix", &data[..], 512); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("e1ac546ec4cb636f9976487be5c86be17a0252ca5d8d8df12cfb0473525249ce9dd8d177ead710bc9b590547239107aef7b4abd43d87f0a68f1cbd9e2b6f7607").unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.6.5, Test case 1 #[test] fn test_prf_test_case_65_1() { let key = Vec::from_hex("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b").unwrap(); let actual = prf(&key[..], "prefix", "Hi There".as_bytes(), 192); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("bcd4c650b30b9684951829e0d75f9d54b862175ed9f00606").unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.6.5, Test case 2 #[test] fn test_prf_test_case_65_2() { let key = "Jefe".as_bytes(); let actual = prf(&key[..], "prefix-2", "what do ya want for nothing?".as_bytes(), 256); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("47c4908e30c947521ad20be9053450ecbea23d3aa604b77326d8b3825ff7475c") .unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.6.5, Test case 3 #[test] fn test_prf_test_case_65_3() { let key = Vec::from_hex("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa").unwrap(); let actual = prf( &key[..], "prefix-3", "Test Using Larger Than Block-Size Key - Hash Key First".as_bytes(), 384, ); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("0ab6c33ccf70d0d736f4b04c8a7373255511abc5073713163bd0b8c9eeb7e1956fa066820a73ddee3f6d3bd407e0682a").unwrap(); assert_eq!(actual.unwrap(), expected); } // IEEE Std 802.11-2016, J.6.5, Test case 4 #[test] fn test_prf_test_case_65_4() { let key = Vec::from_hex("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b").unwrap(); let actual = prf(&key[..], "prefix-4", "Hi There Again".as_bytes(), 512); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("248cfbc532ab38ffa483c8a2e40bf170eb542a2e0916d7bf6d97da2c4c5ca877736c53a65b03fa4b3745ce7613f6ad68e0e4a798b7cf691c96176fd634a59a49").unwrap(); assert_eq!(actual.unwrap(), expected); } #[test] fn test_prf_empty_key() { let key: [u8; 0] = []; let actual = prf(&key[..], "something is happening", "Lorem ipsum".as_bytes(), 256); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("5b154287399baeabd7d2c9682989e0933b3fdef8211ae7ae0c6586bb1e38de7c") .unwrap(); assert_eq!(actual.unwrap(), expected); } #[test] fn test_prf_empty_prefix() { let key = Vec::from_hex("aaaa").unwrap(); let actual = prf(&key[..], "", "Lorem ipsum".as_bytes(), 256); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("1317523ae07f212fc4139ce9ebafe31ecf7c59cb07c7a7f04131afe7a59de60c") .unwrap(); assert_eq!(actual.unwrap(), expected); } #[test] fn test_prf_empty_data() { let key = Vec::from_hex("aaaa").unwrap(); let actual = prf(&key[..], "some prefix", "".as_bytes(), 192); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("785e095774cfea480c267e74130cb86d1e3fc80095b66554").unwrap(); assert_eq!(actual.unwrap(), expected); } #[test] fn test_prf_all_empty() { let key: [u8; 0] = []; let actual = prf(&key[..], "", "".as_bytes(), 128); assert_eq!(actual.is_ok(), true); let expected = Vec::from_hex("310354661a5962d5b8cb76032d5a97e8").unwrap(); assert_eq!(actual.unwrap(), expected); } #[test] fn test_prf_valid_bit_sizes() { for bits in &VALID_BIT_SIZES { let result = prf("".as_bytes(), "", "".as_bytes(), *bits as usize); assert_eq!(result.is_ok(), true, "expected success with valid bit size: {:?}", *bits); } } #[test] fn test_prf_invalid_bit_sizes() { for bits in 0..2048_usize { if VALID_BIT_SIZES.contains(&bits) { continue; } let result = prf("".as_bytes(), "", "".as_bytes(), bits as usize); assert_eq!(result.is_err(), true, "expected failure with wrong bit size: {:?}", bits); } } }

2129df773dac651bfb6ea8317de8b34e291d0d53

pub mod models; pub mod operations; #[allow(dead_code)] pub const API_VERSION: &str = "2021-10-15";

72f1c36b01fe7a77ca6105d7333d90dd75056f9e

use crate::tokio::sync::mpsc::{channel, Receiver, Sender}; use crate::{error::Error, relay::RelayMessage, router::SenderPair}; use core::fmt::Formatter; use ockam_core::compat::{string::String, vec::Vec}; use ockam_core::{Address, AddressSet}; /// Messages sent from the Node to the Executor #[derive(Debug)] pub enum NodeMessage { /// Start a new worker and store the send handle StartWorker { /// The set of addresses in use by this worker addrs: AddressSet, /// Pair of senders to the worker relay (msgs and ctrl) senders: SenderPair, /// A bare worker runs no relay state bare: bool, /// Reply channel for command confirmation reply: Sender<NodeReplyResult>, }, /// Return a list of all worker addresses ListWorkers(Sender<NodeReplyResult>), /// Add an existing address to a cluster SetCluster(Address, String, Sender<NodeReplyResult>), /// Stop an existing worker StopWorker(Address, Sender<NodeReplyResult>), /// Start a new processor StartProcessor(Address, SenderPair, Sender<NodeReplyResult>), /// Stop an existing processor StopProcessor(Address, Sender<NodeReplyResult>), /// Stop the node (and all workers) StopNode(ShutdownType, Sender<NodeReplyResult>), /// Immediately stop the node runtime AbortNode, /// Let the router know a particular address has stopped StopAck(Address), /// Request the sender for a worker address SenderReq(Address, Sender<NodeReplyResult>), /// Register a new router for a route id type Router(u8, Address, Sender<NodeReplyResult>), /// Message the router to set an address as "ready" SetReady(Address), /// Check whether an address has been marked as "ready" CheckReady(Address, Sender<NodeReplyResult>), } impl core::fmt::Display for NodeMessage { fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result { match self { NodeMessage::StartWorker { .. } => write!(f, "StartWorker"), NodeMessage::ListWorkers(_) => write!(f, "ListWorkers"), NodeMessage::SetCluster(_, _, _) => write!(f, "SetCluster"), NodeMessage::StopWorker(_, _) => write!(f, "StopWorker"), NodeMessage::StartProcessor(_, _, _) => write!(f, "StartProcessor"), NodeMessage::StopProcessor(_, _) => write!(f, "StopProcessor"), NodeMessage::StopNode(_, _) => write!(f, "StopNode"), NodeMessage::AbortNode => write!(f, "AbortNode"), NodeMessage::StopAck(_) => write!(f, "StopAck"), NodeMessage::SenderReq(_, _) => write!(f, "SenderReq"), NodeMessage::Router(_, _, _) => write!(f, "Router"), NodeMessage::SetReady(_) => write!(f, "SetReady"), NodeMessage::CheckReady(_, _) => write!(f, "CheckReady"), } } } impl NodeMessage { /// Create a start worker message /// /// * `senders`: message and command senders for the relay /// /// * `bare`: indicate whether this worker address has a full /// relay behind it that can respond to shutdown commands. /// Setting this to `true` will disable stop ACK support in the /// router pub fn start_worker( addrs: AddressSet, senders: SenderPair, bare: bool, ) -> (Self, Receiver<NodeReplyResult>) { let (reply, rx) = channel(1); ( Self::StartWorker { addrs, senders, bare, reply, }, rx, ) } /// Create a start worker message pub fn start_processor( address: Address, senders: SenderPair, ) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::StartProcessor(address, senders, tx), rx) } /// Create a stop worker message and reply receiver pub fn stop_processor(address: Address) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::StopProcessor(address, tx), rx) } /// Create a list worker message and reply receiver pub fn list_workers() -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::ListWorkers(tx), rx) } /// Create a set cluster message and reply receiver pub fn set_cluster(addr: Address, label: String) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::SetCluster(addr, label, tx), rx) } /// Create a stop worker message and reply receiver pub fn stop_worker(address: Address) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::StopWorker(address, tx), rx) } /// Create a stop node message pub fn stop_node(tt: ShutdownType) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::StopNode(tt, tx), rx) } /// Create a sender request message and reply receiver pub fn sender_request(route: Address) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::SenderReq(route, tx), rx) } /// Create a SetReady message and reply receiver pub fn set_ready(addr: Address) -> Self { Self::SetReady(addr) } /// Create a GetReady message and reply receiver pub fn get_ready(addr: Address) -> (Self, Receiver<NodeReplyResult>) { let (tx, rx) = channel(1); (Self::CheckReady(addr, tx), rx) } } /// The reply/result of a Node pub type NodeReplyResult = Result<NodeReply, NodeError>; /// Successful return values from a router command #[derive(Debug)] pub enum NodeReply { /// Success with no payload Ok, /// A list of worker addresses Workers(Vec<Address>), /// Message sender to a specific worker Sender { /// The address a message is being sent to addr: Address, /// The relay sender sender: Sender<RelayMessage>, /// Indicate whether the relay message needs to be constructed /// with router wrapping. wrap: bool, }, /// Indicate the 'ready' state of an address State(bool), } /// Failure states from a router command #[derive(Debug)] pub enum NodeError { /// No such address existst (for either workers or processors) NoSuchAddress(Address), /// Worker already exists WorkerExists(Address), /// Router already exists RouterExists, /// Command rejected Rejected(Reason), } /// The reason why a command was rejected #[derive(Debug, Copy, Clone)] pub enum Reason { /// Rejected because the node is currently shutting down NodeShutdown, /// Rejected because the worker is currently shutting down WorkerShutdown, /// Message was addressed to an invalid address InvalidAddress, } /// Specify the type of node shutdown /// /// For most users `ShutdownType::Graceful()` is recommended. The /// `Default` implementation uses a 1 second timeout. #[derive(Debug, Copy, Clone)] #[non_exhaustive] pub enum ShutdownType { /// Execute a graceful shutdown given a maximum timeout /// /// The following steps will be taken by the internal router /// during graceful shutdown procedure: /// /// * Signal clusterless workers to stop /// * Wait for shutdown ACK hooks from worker set /// * Signal worker clusters in reverse-creation order to stop /// * Wait for shutdown ACK hooks from each cluster before moving onto the /// next /// * All shutdown-signalled workers may process their entire mailbox, /// while not allowing new messages to be queued /// /// Graceful shutdown procedure will be pre-maturely terminated /// when reaching the timeout (failover into `Immediate` /// strategy). **A given timeout of `0` will wait forever!** Graceful(u8), /// Immediately shutdown workers and run shutdown hooks /// /// This strategy can lead to data loss: /// /// * Unhandled mailbox messages will be dropped /// * Shutdown hooks may not be able to send messages /// /// This strategy is not recommended for general use, but will be /// selected as a failover, if the `Graceful` strategy reaches its /// timeout limit. Immediate, } impl Default for ShutdownType { fn default() -> Self { Self::Graceful(1) } } impl NodeReply { /// Return [NodeReply::Ok] pub fn ok() -> NodeReplyResult { Ok(NodeReply::Ok) } /// Return [NodeReply::State] pub fn state(b: bool) -> NodeReplyResult { Ok(NodeReply::State(b)) } /// Return [NodeError::NoSuchWorker] pub fn no_such_address(a: Address) -> NodeReplyResult { Err(NodeError::NoSuchAddress(a)) } /// Return [NodeError::WorkerExists] for the given address pub fn worker_exists(a: Address) -> NodeReplyResult { Err(NodeError::WorkerExists(a)) } /// Return [NodeError::RouterExists] pub fn router_exists() -> NodeReplyResult { Err(NodeError::RouterExists) } /// Return [NodeReply::Rejected(reason)] pub fn rejected(reason: Reason) -> NodeReplyResult { Err(NodeError::Rejected(reason)) } /// Return [NodeReply::Workers] for the given addresses pub fn workers(v: Vec<Address>) -> NodeReplyResult { Ok(Self::Workers(v)) } /// Return [NodeReply::Sender] for the given information pub fn sender(addr: Address, sender: Sender<RelayMessage>, wrap: bool) -> NodeReplyResult { Ok(NodeReply::Sender { addr, sender, wrap }) } /// Consume the wrapper and return [NodeReply::Sender] pub fn take_sender(self) -> Result<(Address, Sender<RelayMessage>, bool), Error> { match self { Self::Sender { addr, sender, wrap } => Ok((addr, sender, wrap)), _ => Err(Error::InternalIOFailure), } } /// Consume the wrapper and return [NodeReply::Workers] pub fn take_workers(self) -> Result<Vec<Address>, Error> { match self { Self::Workers(w) => Ok(w), _ => Err(Error::InternalIOFailure), } } /// Consume the wrapper and return [NodeReply::State] pub fn take_state(self) -> Result<bool, Error> { match self { Self::State(b) => Ok(b), _ => Err(Error::InternalIOFailure), } } /// Returns Ok if self is [NodeReply::Ok] pub fn is_ok(self) -> Result<(), Error> { match self { Self::Ok => Ok(()), _ => Err(Error::InternalIOFailure), } } }

fc19c9de76bdadd1bd1c9ecb804e40ad1f2ccb45

use castflip::experimental::EncastArg; use crate::{IData1, IVals1}; #[test] fn idata1() { let idata1 = IData1::gen(); let ne_vals_from_ne = IVals1 { val1_i8: i8::encast( &idata1.ne_bytes[ 0 .. 1]).unwrap(), val2_i8: i8::encast( &idata1.ne_bytes[ 1 .. 2]).unwrap(), val_i16: i16::encast( &idata1.ne_bytes[ 2 .. 4]).unwrap(), val_i32: i32::encast( &idata1.ne_bytes[ 4 .. 8]).unwrap(), val_i64: i64::encast( &idata1.ne_bytes[ 8 .. 16]).unwrap(), val_i128: i128::encast(&idata1.ne_bytes[16 .. 32]).unwrap(), }; assert_eq!(ne_vals_from_ne, idata1.ne_vals); }

ff81f1164396a7f4f45f04b507015e11608f9908

// Licensed to the Apache Software Foundation (ASF) under one // or more contributor license agreements. See the NOTICE file // distributed with this work for additional information // regarding copyright ownership. The ASF licenses this file // to you under the Apache License, Version 2.0 (the // "License"); you may not use this file except in compliance // with the License. You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, // software distributed under the License is distributed on an // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY // KIND, either express or implied. See the License for the // specific language governing permissions and limitations // under the License. #![allow(non_camel_case_types)] #[cfg(feature = "mesalock_sgx")] use std::prelude::v1::*; use crate::deps::c_void; use crate::deps::cmp; use crate::deps::errno; use crate::deps::libc; use crate::deps::sgx_aes_gcm_128bit_tag_t; use crate::deps::sgx_key_128bit_t; use crate::deps::size_t; use crate::deps::CStr; use crate::deps::{c_char, c_int}; use crate::deps::{int32_t, int64_t}; use crate::deps::{SysError, SysResult}; pub type SGX_FILE = *mut c_void; extern "C" { // // sgx_tprotected_fs.h // pub fn sgx_fopen( filename: *const c_char, mode: *const c_char, key: *const sgx_key_128bit_t, ) -> SGX_FILE; pub fn sgx_fopen_auto_key(filename: *const c_char, mode: *const c_char) -> SGX_FILE; pub fn sgx_fwrite(ptr: *const c_void, size: size_t, count: size_t, stream: SGX_FILE) -> size_t; pub fn sgx_fread(ptr: *mut c_void, size: size_t, count: size_t, stream: SGX_FILE) -> size_t; pub fn sgx_ftell(stream: SGX_FILE) -> int64_t; pub fn sgx_fseek(stream: SGX_FILE, offset: int64_t, origin: c_int) -> int32_t; pub fn sgx_fflush(stream: SGX_FILE) -> int32_t; pub fn sgx_ferror(stream: SGX_FILE) -> int32_t; pub fn sgx_feof(stream: SGX_FILE) -> int32_t; pub fn sgx_clearerr(stream: SGX_FILE); pub fn sgx_fclose(stream: SGX_FILE) -> int32_t; pub fn sgx_remove(filename: *const c_char) -> int32_t; #[cfg(feature = "mesalock_sgx")] pub fn sgx_fexport_auto_key(filename: *const c_char, key: *mut sgx_key_128bit_t) -> int32_t; #[cfg(feature = "mesalock_sgx")] pub fn sgx_fimport_auto_key(filename: *const c_char, key: *const sgx_key_128bit_t) -> int32_t; pub fn sgx_fclear_cache(stream: SGX_FILE) -> int32_t; pub fn sgx_get_current_meta_gmac( stream: SGX_FILE, out_gmac: *mut sgx_aes_gcm_128bit_tag_t, ) -> int32_t; pub fn sgx_rename_meta(stream: SGX_FILE, old: *const c_char, new: *const c_char) -> int32_t; } fn max_len() -> usize { u32::max_value() as usize } unsafe fn rsgx_fopen(filename: &CStr, mode: &CStr, key: &sgx_key_128bit_t) -> SysResult<SGX_FILE> { let file = sgx_fopen( filename.as_ptr(), mode.as_ptr(), key as *const sgx_key_128bit_t, ); if file.is_null() { Err(errno()) } else { Ok(file) } } unsafe fn rsgx_fopen_auto_key(filename: &CStr, mode: &CStr) -> SysResult<SGX_FILE> { let file = sgx_fopen_auto_key(filename.as_ptr(), mode.as_ptr()); if file.is_null() { Err(errno()) } else { Ok(file) } } unsafe fn rsgx_fwrite(stream: SGX_FILE, buf: &[u8]) -> SysResult<usize> { if stream.is_null() { return Err(libc::EINVAL); } let write_size = cmp::min(buf.len(), max_len()); let ret_size = sgx_fwrite(buf.as_ptr() as *const c_void, 1, write_size, stream); if ret_size != write_size { Err(rsgx_ferror(stream)) } else { Ok(ret_size) } } unsafe fn rsgx_fread(stream: SGX_FILE, buf: &mut [u8]) -> SysResult<usize> { if stream.is_null() { return Err(libc::EINVAL); } let read_size = cmp::min(buf.len(), max_len()); let ret_size = sgx_fread(buf.as_mut_ptr() as *mut c_void, 1, read_size, stream); if ret_size != read_size { let is_eof = rsgx_feof(stream)?; if is_eof { Ok(ret_size) } else { Err(rsgx_ferror(stream)) } } else { Ok(ret_size) } } unsafe fn rsgx_ftell(stream: SGX_FILE) -> SysResult<i64> { if stream.is_null() { return Err(libc::EINVAL); } let pos = sgx_ftell(stream); if pos == -1 { Err(errno()) } else { Ok(pos) } } unsafe fn rsgx_fseek(stream: SGX_FILE, offset: i64, origin: i32) -> SysError { if stream.is_null() { return Err(libc::EINVAL); } let ret = sgx_fseek(stream, offset, origin); if ret == 0 { Ok(()) } else { Err(rsgx_ferror(stream)) } } unsafe fn rsgx_fflush(stream: SGX_FILE) -> SysError { let ret = sgx_fflush(stream); if ret == 0 { Ok(()) } else if ret == libc::EOF { Err(rsgx_ferror(stream)) } else { Err(ret) } } unsafe fn rsgx_ferror(stream: SGX_FILE) -> i32 { let mut err = sgx_ferror(stream); if err == -1 { err = libc::EINVAL; } err } unsafe fn rsgx_feof(stream: SGX_FILE) -> SysResult<bool> { if stream.is_null() { return Err(libc::EINVAL); } if sgx_feof(stream) == 1 { Ok(true) } else { Ok(false) } } unsafe fn rsgx_clearerr(stream: SGX_FILE) { sgx_clearerr(stream) } unsafe fn rsgx_fclose(stream: SGX_FILE) -> SysError { if stream.is_null() { return Err(libc::EINVAL); } let ret = sgx_fclose(stream); if ret == 0 { Ok(()) } else { Err(libc::EIO) } } unsafe fn rsgx_fclear_cache(stream: SGX_FILE) -> SysError { if stream.is_null() { return Err(libc::EINVAL); } let ret = sgx_fclear_cache(stream); if ret == 0 { Ok(()) } else { Err(rsgx_ferror(stream)) } } unsafe fn rsgx_get_current_meta_gmac( stream: SGX_FILE, out_gmac: &mut sgx_aes_gcm_128bit_tag_t, ) -> SysError { if stream.is_null() { return Err(libc::EINVAL); } let ret = sgx_get_current_meta_gmac(stream, out_gmac as *mut sgx_aes_gcm_128bit_tag_t); if ret == 0 { Ok(()) } else { Err(rsgx_ferror(stream)) } } unsafe fn rsgx_rename_meta(stream: SGX_FILE, old: &CStr, new: &CStr) -> SysError { if stream.is_null() { return Err(libc::EINVAL); } let ret = sgx_rename_meta(stream, old.as_ptr(), new.as_ptr()); if ret == 0 { Ok(()) } else { Err(rsgx_ferror(stream)) } } unsafe fn rsgx_remove(filename: &CStr) -> SysError { let ret = sgx_remove(filename.as_ptr()); if ret == 0 { Ok(()) } else { Err(errno()) } } #[cfg(feature = "mesalock_sgx")] unsafe fn rsgx_fexport_auto_key(filename: &CStr, key: &mut sgx_key_128bit_t) -> SysError { let ret = sgx_fexport_auto_key(filename.as_ptr(), key as *mut sgx_key_128bit_t); if ret == 0 { Ok(()) } else { Err(errno()) } } #[cfg(feature = "mesalock_sgx")] unsafe fn rsgx_fimport_auto_key(filename: &CStr, key: &sgx_key_128bit_t) -> SysError { let ret = sgx_fimport_auto_key(filename.as_ptr(), key as *const sgx_key_128bit_t); if ret == 0 { Ok(()) } else { Err(errno()) } } pub struct SgxFileStream { stream: SGX_FILE, } impl SgxFileStream { /// /// The open function creates or opens a protected file. /// /// # Description /// /// open is similar to the C file API fopen. It creates a new Protected File or opens an existing /// Protected File created with a previous call to open. Regular files cannot be opened with this API. /// /// # Parameters /// /// **filename** /// /// The name of the file to be created or opened. /// /// **mode** /// /// The file open mode string. Allowed values are any combination of ‘r’, ‘w’ or ‘a’, with possible ‘+’ /// and possible ‘b’ (since string functions are currently not sup- ported, ‘b’ is meaningless). /// /// **key** /// /// The encryption key of the file. This key is used as a key derivation key, used for deriving encryption /// keys for the file. If the file is created with open, you should protect this key and provide it as /// input every time the file is opened. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, it returns a valid file pointer, which can be used by all the other functions /// in the Protected FS API, otherwise, error code is returned. /// pub fn open(filename: &CStr, mode: &CStr, key: &sgx_key_128bit_t) -> SysResult<SgxFileStream> { unsafe { rsgx_fopen(filename, mode, key).map(|f| SgxFileStream { stream: f }) } } /// /// The open_auto_key function creates or opens a protected file. /// /// # Description /// /// open_auto_key is similar to the C file API fopen. It creates a new Protected File or opens an existing /// Protected File created with a previous call to open_auto_key. Regular files cannot be opened with this API. /// /// # Parameters /// /// **filename** /// /// The name of the file to be created or opened. /// /// **mode** /// /// The file open mode string. Allowed values are any combination of ‘r’, ‘w’ or ‘a’, with possible ‘+’ /// and possible ‘b’ (since string functions are currently not sup- ported, ‘b’ is meaningless). /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, it returns a valid file pointer, which can be used by all the other functions /// in the Protected FS API, otherwise, error code is returned. /// pub fn open_auto_key(filename: &CStr, mode: &CStr) -> SysResult<SgxFileStream> { unsafe { rsgx_fopen_auto_key(filename, mode).map(|f| SgxFileStream { stream: f }) } } /// /// The read function reads the requested amount of data from the file, and extends the file pointer by that amount. /// /// # Description /// /// read is similar to the file API fread. In case of an error, error can be called to get the error code. /// /// # Parameters /// /// **buf** /// /// A pointer to a buffer to receive the data read from the file. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, the number of bytes read is returned (zero indicates end of file). /// otherwise, error code is returned. /// pub fn read(&self, buf: &mut [u8]) -> SysResult<usize> { unsafe { rsgx_fread(self.stream, buf) } } /// /// The write function writes the given amount of data to the file, and extends the file pointer by that amount. /// /// # Description /// /// write is similar to the file API fwrite. In case of an error, error can be called to get the error code. /// /// # Parameters /// /// **buf** /// /// A pointer to a buffer, that contains the data to write to the file. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, the number of bytes written is returned (zero indicates nothing was written). /// otherwise, error code is returned. /// pub fn write(&self, buf: &[u8]) -> SysResult<usize> { unsafe { rsgx_fwrite(self.stream, buf) } } /// /// The tell function obtains the current value of the file position indicator for the stream pointed to by stream. /// /// # Description /// /// tell is similar to the C file API ftell. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, it returns the current value of the position indicator of the file. /// otherwise, error code is returned. /// pub fn tell(&self) -> SysResult<i64> { unsafe { rsgx_ftell(self.stream) } } /// /// The seek function sets the current value of the position indicator of the file. /// /// # Description /// /// seek is similar to the C file API fseek. /// /// # Parameters /// /// **offset** /// /// The new required value, relative to the origin parameter. /// /// **origin** /// /// The origin from which to calculate the offset (Start, ENd or Current). /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function failed, error code is returned. /// pub fn seek(&self, offset: i64, origin: SeekFrom) -> SysError { let whence = match origin { SeekFrom::Start => libc::SEEK_SET, SeekFrom::End => libc::SEEK_END, SeekFrom::Current => libc::SEEK_CUR, }; unsafe { rsgx_fseek(self.stream, offset, whence) } } /// /// The flush function forces a cache flush, and if it returns successfully, it is guaranteed /// that your changes are committed to a file on the disk. /// /// # Description /// /// flush is similar to the C file API fflush. This function flushes all the modified data from /// the cache and writes it to a file on the disk. In case of an error, error can be called to /// get the error code. Note that this function does not clear the cache, but only flushes the /// changes to the actual file on the disk. Flushing also happens automatically when the cache /// is full and page eviction is required. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function failed, error code is returned. /// pub fn flush(&self) -> SysError { unsafe { rsgx_fflush(self.stream) } } /// /// The error function returns the latest operation error code. /// /// # Description /// /// error is similar to the C file API ferror. In case the latest operation failed because /// the file is in a bad state, SGX_ERROR_FILE_BAD_STATUS will be returned. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// The latest operation error code is returned. 0 indicates that no errors occurred. /// /* pub fn error(&self) -> i32 { unsafe{ rsgx_ferror(self.stream) } } */ /// /// The is_eof function tells the caller if the file's position indicator hit the end of the /// file in a previous read operation. /// /// # Description /// /// is_eof is similar to the C file API feof. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// true - End of file was not reached. false - End of file was reached. /// pub fn is_eof(&self) -> bool { unsafe { rsgx_feof(self.stream).unwrap() } } /// /// The clearerr function attempts to repair a bad file status, and also clears the end-of-file flag. /// /// # Description /// /// clearerr is similar to the C file API clearerr. This function attempts to repair errors resulted /// from the underlying file system, like write errors to the disk (resulting in a full cache thats /// cannot be emptied). Call error or is_eof after a call to this function to learn if it was successful /// or not. /// /// clearerr does not repair errors resulting from a corrupted file, like decryption errors, or from /// memory corruption, etc. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// None /// pub fn clearerr(&self) { unsafe { rsgx_clearerr(self.stream) } } /// /// The clear_cache function is used for clearing the internal file cache. The function scrubs all /// the data from the cache, and releases all the allocated cache memory. /// /// # Description /// /// clear_cache is used to scrub all the data from the cache and release all the allocated cache /// memory. If modified data is found in the cache, it will be written to the file on disk before /// being scrubbed. /// /// This function is especially useful if you do not trust parts of your own enclave (for example, /// external libraries you linked against, etc.) and want to make sure there is as little sensitive /// data in the memory as possible before transferring control to the code they do not trust. /// Note, however, that the SGX_FILE structure itself still holds sensitive data. To remove all /// such data related to the file from memory completely, you should close the file handle. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function failed, error code is returned. /// pub fn clear_cache(&self) -> SysError { unsafe { rsgx_fclear_cache(self.stream) } } pub fn get_current_meta_gmac(&self, meta_gmac: &mut sgx_aes_gcm_128bit_tag_t) -> SysError { unsafe { rsgx_get_current_meta_gmac(self.stream, meta_gmac) } } pub fn rename_meta(&self, old_name: &CStr, new_name: &CStr) -> SysError { unsafe { rsgx_rename_meta(self.stream, old_name, new_name) } } } /// /// The remove function deletes a file from the file system. /// /// # Description /// /// remove is similar to the C file API remove. /// /// # Parameters /// /// **filename** /// /// The name of the file to delete. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function failed, error code is returned. /// pub fn remove(filename: &CStr) -> SysError { unsafe { rsgx_remove(filename) } } /// /// The export_auto_key function is used for exporting the latest key used for the file encryption. /// /// # Description /// /// export_auto_key is used to export the last key that was used in the encryption of the file. /// With this key you can import the file in a different enclave or system. /// /// # Parameters /// /// **filename** /// /// The name of the file to be exported. This should be the name of a file created with the open_auto_key API. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// If the function succeeds, it returns the latest encryption key. /// otherwise, error code is returned. /// #[cfg(feature = "mesalock_sgx")] pub fn export_auto_key(filename: &CStr) -> SysResult<sgx_key_128bit_t> { let mut key: sgx_key_128bit_t = Default::default(); unsafe { rsgx_fexport_auto_key(filename, &mut key).map(|_| key) } } /// /// The import_auto_key function is used for importing a Protected FS auto key file created on /// a different enclave or platform. /// /// # Description /// /// import_auto_key is used for importing a Protected FS file. After this call returns successfully, /// the file can be opened normally with export_auto_key. /// /// # Parameters /// /// **filename** /// /// The name of the file to be imported. This should be the name of a file created with the /// open_auto_key API, on a different enclave or system. /// /// **key** /// /// he encryption key, exported with a call to export_auto_key in the source enclave or system. /// /// # Requirements /// /// Header: sgx_tprotected_fs.edl /// /// Library: libsgx_tprotected_fs.a /// /// # Return value /// /// otherwise, error code is returned. /// #[cfg(feature = "mesalock_sgx")] pub fn import_auto_key(filename: &CStr, key: &sgx_key_128bit_t) -> SysError { unsafe { rsgx_fimport_auto_key(filename, key) } } impl Drop for SgxFileStream { fn drop(&mut self) { // Note that errors are ignored when closing a file descriptor. The // reason for this is that if an error occurs we don't actually know if // the file descriptor was closed or not, and if we retried (for // something like EINTR), we might close another valid file descriptor // (opened after we closed ours. let _ = unsafe { rsgx_fclose(self.stream) }; } } /// Enumeration of possible methods to seek within an I/O object. #[derive(Copy, PartialEq, Eq, Clone, Debug)] pub enum SeekFrom { /// Set the offset to the provided number of bytes. Start, /// Set the offset to the size of this object plus the specified number of /// bytes. /// /// It is possible to seek beyond the end of an object, but it's an error to /// seek before byte 0. End, /// Set the offset to the current position plus the specified number of /// bytes. /// /// It is possible to seek beyond the end of an object, but it's an error to /// seek before byte 0. Current, }

14bc33abde715a40ee291a00d706ae5d0efde309

use super::*; use std::fmt; mod backtrace; mod errno; mod error; mod to_errno; pub use self::backtrace::{ErrorBacktrace, ResultExt}; pub use self::errno::Errno; pub use self::errno::Errno::*; pub use self::error::{Error, ErrorLocation}; pub use self::to_errno::ToErrno; pub type Result<T> = std::result::Result<T, Error>; macro_rules! errno { ($errno_expr: expr, $error_msg: expr) => {{ let inner_error = { let errno: Errno = $errno_expr; let msg: &'static str = $error_msg; (errno, msg) }; let error = Error::embedded(inner_error, Some(ErrorLocation::new(file!(), line!()))); error }}; ($error_expr: expr) => {{ let inner_error = $error_expr; let error = Error::boxed(inner_error, Some(ErrorLocation::new(file!(), line!()))); error }}; } macro_rules! return_errno { ($errno_expr: expr, $error_msg: expr) => {{ return Err(errno!($errno_expr, $error_msg)); }}; ($error_expr: expr) => {{ return Err(errno!($error_expr)); }}; } // return Err(errno) if libc return -1 macro_rules! try_libc { ($ret: expr) => {{ let ret = unsafe { $ret }; if ret < 0 { let errno = unsafe { libc::errno() }; return_errno!(Errno::from(errno as u32), "libc error"); } ret }}; }

0eb1136c3c46dd278165c467ec3b6a4fe7040b1f

// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT // file at the top-level directory of this distribution and at // http://rust-lang.org/COPYRIGHT. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. //! Support code for encoding and decoding types. #![feature(core, collections, unicode, io, std_misc, path, hash, os)] #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png", html_favicon_url = "http://www.rust-lang.org/favicon.ico", html_root_url = "http://doc.rust-lang.org/rustc-serialize/")] #![cfg_attr(test, deny(warnings))] #![cfg_attr(test, feature(test, hash))] #[cfg(test)] extern crate test; #[cfg(test)] extern crate rand; extern crate unicode; pub use self::serialize::{Decoder, Encoder, Decodable, Encodable, DecoderHelpers, EncoderHelpers}; mod serialize; mod collection_impls; pub mod base64; pub mod hex; pub mod json; mod rustc_serialize { pub use serialize::*; }

76c59e99b3f65b1852703a4ae709a56e85006110

//! Requires selenium running on port 4444: //! //! java -jar selenium-server-standalone-3.141.59.jar //! //! Run as follows: //! //! cargo run --example tokio_async use thirtyfour::prelude::*; use tokio; #[tokio::main] async fn main() -> WebDriverResult<()> { let caps = DesiredCapabilities::chrome(); let driver = WebDriver::new("http://localhost:4444/wd/hub", &caps).await?; // Navigate to https://wikipedia.org. driver.get("https://wikipedia.org").await?; let elem_form = driver.find_element(By::Id("search-form")).await?; // Find element from element. let elem_text = elem_form.find_element(By::Id("searchInput")).await?; // Type in the search terms. elem_text.send_keys("selenium").await?; // Click the search button. let elem_button = elem_form.find_element(By::Css("button[type='submit']")).await?; elem_button.click().await?; // Look for header to implicitly wait for the page to load. driver.find_element(By::ClassName("firstHeading")).await?; assert_eq!(driver.title().await?, "Selenium - Wikipedia"); Ok(()) }

d931ea88cdf41a5d69a6c58366044e8677b741af

// Copyright (c) The Libra Core Contributors // SPDX-License-Identifier: Apache-2.0 use crate::identifier::{IdentStr, Identifier, ALLOWED_IDENTIFIERS}; use crate::test_helpers::assert_canonical_encode_decode; use once_cell::sync::Lazy; use proptest::prelude::*; use regex::Regex; use serde_json; use std::borrow::Borrow; #[test] fn valid_identifiers() { let valid_identifiers = [ "foo", "FOO", "Foo", "foo0", "FOO_0", "_Foo1", "FOO2_", "foo_bar_baz", "_0", "__", "____________________", // TODO: <SELF> is an exception. It should be removed once CompiledScript goes away. "<SELF>", ]; for identifier in &valid_identifiers { assert!( Identifier::is_valid(identifier), "Identifier '{}' should be valid", identifier ); } } #[test] fn invalid_identifiers() { let invalid_identifiers = [ "", "_", "0", "01", "9876", "0foo", ":foo", "fo\\o", "fo/o", "foo.", "foo-bar", "foo\u{1f389}", ]; for identifier in &invalid_identifiers { assert!( !Identifier::is_valid(identifier), "Identifier '{}' should be invalid", identifier ); } } proptest! { #[test] fn invalid_identifiers_proptest(identifier in invalid_identifier_strategy()) { // This effectively checks that if a string doesn't match the ALLOWED_IDENTIFIERS regex, it // will be rejected by the is_valid validator. Note that the converse is checked by the // Arbitrary impl for Identifier. prop_assert!(!Identifier::is_valid(&identifier)); } #[test] fn identifier_string_roundtrip(identifier in any::<Identifier>()) { let s = identifier.clone().into_string(); let id2 = Identifier::new(s).expect("identifier should parse correctly"); prop_assert_eq!(identifier, id2); } #[test] fn identifier_ident_str_equivalence(identifier in any::<Identifier>()) { let s = identifier.clone().into_string(); let ident_str = IdentStr::new(&s).expect("identifier should parse correctly"); prop_assert_eq!(ident_str, identifier.as_ident_str()); prop_assert_eq!(ident_str, identifier.as_ref()); prop_assert_eq!(ident_str, identifier.borrow()); prop_assert_eq!(ident_str.to_owned(), identifier); } #[test] fn serde_json_roundtrip(identifier in any::<Identifier>()) { let ser = serde_json::to_string(&identifier).expect("should serialize correctly"); let id2 = serde_json::from_str(&ser).expect("should deserialize correctly"); prop_assert_eq!(identifier, id2); } #[test] fn identifier_canonical_serialization(identifier in any::<Identifier>()) { assert_canonical_encode_decode(identifier); } } fn invalid_identifier_strategy() -> impl Strategy<Value = String> { static ALLOWED_IDENTIFIERS_REGEX: Lazy<Regex> = Lazy::new(|| { // Need to add anchors to ensure the entire string is matched. Regex::new(&format!("^(?:{})$", ALLOWED_IDENTIFIERS)).unwrap() }); ".*".prop_filter("Valid identifiers should not be generated", |s| { // Most strings won't match the regex above, so local rejects are OK. !ALLOWED_IDENTIFIERS_REGEX.is_match(s) }) } /// Ensure that Identifier instances serialize into strings directly, with no wrapper. #[test] fn serde_serialize_no_wrapper() { let foobar = Identifier::new("foobar").expect("should parse correctly"); let s = serde_json::to_string(&foobar).expect("Identifier should serialize correctly"); assert_eq!(s, "\"foobar\""); }

ccfce645310c2a9cc1578c25b3679665e145e102

/* * Copyright (c) Facebook, Inc. and its affiliates. * * This source code is licensed under both the MIT license found in the * LICENSE-MIT file in the root directory of this source tree and the Apache * License, Version 2.0 found in the LICENSE-APACHE file in the root directory * of this source tree. */ //! Provides a macro `define_stats!` for creation of stats. This crate requires the caller to //! schedule aggregation of stats by calling schedule_stats_aggregation and executing the returned //! future. #![deny(warnings, missing_docs, clippy::all, rustdoc::broken_intra_doc_links)] pub mod macros; mod noop_stats; pub mod thread_local_aggregator; pub mod prelude { //! A "prelude" of `stats` crate. //! //! This prelude is similar to the standard library's prelude in that you'll //! almost always want to import its entire contents, but unlike the standard //! library's prelude you'll have to do so manually: //! //! ``` //! # #![allow(unused)] //! use stats::prelude::*; //! ``` pub use crate::{define_stats, define_stats_struct}; pub use stats_traits::{ dynamic_stat_types::{ DynamicCounter, DynamicHistogram, DynamicSingletonCounter, DynamicTimeseries, }, stat_types::{ Counter, CounterStatic, Histogram, HistogramStatic, Timeseries, TimeseriesStatic, }, }; } use std::sync::RwLock; use lazy_static::lazy_static; use stats_traits::{ stat_types::BoxSingletonCounter, stats_manager::{BoxStatsManager, StatsManagerFactory}, }; pub use self::thread_local_aggregator::schedule_stats_aggregation_preview; lazy_static! { static ref STATS_MANAGER_FACTORY: RwLock<Option<Box<dyn StatsManagerFactory + Send + Sync>>> = RwLock::new(None); } /// This function must be called exactly once before accessing any of the stats, /// otherwise it will panic. /// If it won't be called a default stats manager factory will be assumed that /// does nothing. (Facebook only: the default will use fb303 counters) pub fn register_stats_manager_factory(factory: impl StatsManagerFactory + Send + Sync + 'static) { let mut global_factory = STATS_MANAGER_FACTORY.write().expect("poisoned lock"); assert!( global_factory.is_none(), "Called stats::stats_manager::register_stats_manager_factory more than once" ); global_factory.replace(Box::new(factory)); } #[doc(hidden)] /// You probably don't have to use this function, it is made public so that it /// might be used by the macros in this crate. It reads the globally registered /// StatsManagerFactory and creates a new instance of StatsManager. pub fn create_stats_manager() -> BoxStatsManager { if let Some(factory) = STATS_MANAGER_FACTORY .read() .expect("poisoned lock") .as_ref() { return factory.create(); } // We get here only if register_stats_manager_factory was not called yet // but we have to keep in mind this is a race so first get hold of write // lock and check if the factory is still unset. let mut write_lock = STATS_MANAGER_FACTORY.write().expect("poisoned lock"); let factory = write_lock.get_or_insert_with(get_default_stats_manager_factory); factory.create() } fn get_default_stats_manager_factory() -> Box<dyn StatsManagerFactory + Send + Sync> { #[cfg(fbcode_build)] { Box::new(::stats_facebook::ThreadLocalStatsFactory) } #[cfg(not(fbcode_build))] { Box::new(crate::noop_stats::NoopStatsFactory) } } #[doc(hidden)] /// You probably don't have to use this function, it is made public so that it /// might be used by the macros in this crate. It creates a new SingletonCounter. pub fn create_singleton_counter(name: String) -> BoxSingletonCounter { #[cfg(fbcode_build)] { Box::new(::stats_facebook::singleton_counter::ServiceDataSingletonCounter::new(name)) } #[cfg(not(fbcode_build))] { let _ = name; Box::new(crate::noop_stats::Noop) } }

1e0fe993454f670aefd6bc54af3767c7843f339f

use super::duration_to_str; use super::page::Page; use super::MetaData; use crate::db::Pool; use crate::docbuilder::Limits; use chrono::{DateTime, NaiveDateTime, Utc}; use iron::prelude::*; use router::Router; use serde::ser::{Serialize, SerializeStruct, Serializer}; #[derive(Debug, Clone, PartialEq, Eq)] pub(crate) struct Build { id: i32, rustc_version: String, cratesfyi_version: String, build_status: bool, build_time: DateTime<Utc>, output: Option<String>, } impl Serialize for Build { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { let mut state = serializer.serialize_struct("Build", 7)?; state.serialize_field("id", &self.id)?; state.serialize_field("rustc_version", &self.rustc_version)?; state.serialize_field("cratesfyi_version", &self.cratesfyi_version)?; state.serialize_field("build_status", &self.build_status)?; state.serialize_field("build_time", &self.build_time.format("%+").to_string())?; // RFC 3339 state.serialize_field("build_time_relative", &duration_to_str(self.build_time))?; state.serialize_field("output", &self.output)?; state.end() } } #[derive(Debug, Clone, PartialEq, Eq)] struct BuildsPage { metadata: Option<MetaData>, builds: Vec<Build>, build_details: Option<Build>, limits: Limits, } impl Serialize for BuildsPage { fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { let mut state = serializer.serialize_struct("Buildspage", 4)?; state.serialize_field("metadata", &self.metadata)?; state.serialize_field("builds", &self.builds)?; state.serialize_field("build_details", &self.build_details)?; state.serialize_field("limits", &self.limits.for_website())?; state.end() } } pub fn build_list_handler(req: &mut Request) -> IronResult<Response> { let router = extension!(req, Router); let name = cexpect!(router.find("name")); let version = cexpect!(router.find("version")); let req_build_id: i32 = router.find("id").unwrap_or("0").parse().unwrap_or(0); let conn = extension!(req, Pool).get()?; let limits = ctry!(Limits::for_crate(&conn, name)); let query = ctry!(conn.query( "SELECT crates.name, releases.version, releases.description, releases.rustdoc_status, releases.target_name, builds.id, builds.rustc_version, builds.cratesfyi_version, builds.build_status, builds.build_time, builds.output FROM builds INNER JOIN releases ON releases.id = builds.rid INNER JOIN crates ON releases.crate_id = crates.id WHERE crates.name = $1 AND releases.version = $2 ORDER BY id DESC", &[&name, &version] )); let mut build_details = None; // FIXME: getting builds.output may cause performance issues when release have tons of builds let mut build_list = query .into_iter() .map(|row| { let id: i32 = row.get(5); let build = Build { id, rustc_version: row.get(6), cratesfyi_version: row.get(7), build_status: row.get(8), build_time: DateTime::from_utc(row.get::<_, NaiveDateTime>(9), Utc), output: row.get(10), }; if id == req_build_id { build_details = Some(build.clone()); } build }) .collect::<Vec<Build>>(); if req.url.path().join("/").ends_with(".json") { use iron::headers::{ AccessControlAllowOrigin, CacheControl, CacheDirective, ContentType, Expires, HttpDate, }; use iron::status; // Remove build output from build list for json output for build in build_list.as_mut_slice() { build.output = None; } let mut resp = Response::with((status::Ok, serde_json::to_string(&build_list).unwrap())); resp.headers .set(ContentType("application/json".parse().unwrap())); resp.headers.set(Expires(HttpDate(time::now()))); resp.headers.set(CacheControl(vec![ CacheDirective::NoCache, CacheDirective::NoStore, CacheDirective::MustRevalidate, ])); resp.headers.set(AccessControlAllowOrigin::Any); Ok(resp) } else { let builds_page = BuildsPage { metadata: MetaData::from_crate(&conn, &name, &version), builds: build_list, build_details, limits, }; Page::new(builds_page) .set_true("show_package_navigation") .set_true("package_navigation_builds_tab") .to_resp("builds") } } #[cfg(test)] mod tests { use super::*; use chrono::Utc; use serde_json::json; #[test] fn serialize_build() { let time = Utc::now(); let mut build = Build { id: 22, rustc_version: "rustc 1.43.0 (4fb7144ed 2020-04-20)".to_string(), cratesfyi_version: "docsrs 0.6.0 (3dd32ec 2020-05-01)".to_string(), build_status: true, build_time: time, output: None, }; let correct_json = json!({ "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }); assert_eq!(correct_json, serde_json::to_value(&build).unwrap()); build.output = Some("some random stuff".to_string()); let correct_json = json!({ "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": "some random stuff", "build_status": true }); assert_eq!(correct_json, serde_json::to_value(&build).unwrap()); } #[test] fn serialize_build_page() { let time = Utc::now(); let build = Build { id: 22, rustc_version: "rustc 1.43.0 (4fb7144ed 2020-04-20)".to_string(), cratesfyi_version: "docsrs 0.6.0 (3dd32ec 2020-05-01)".to_string(), build_status: true, build_time: time, output: None, }; let limits = Limits::default(); let mut builds = BuildsPage { metadata: Some(MetaData { name: "serde".to_string(), version: "1.0.0".to_string(), description: Some("serde does stuff".to_string()), target_name: None, rustdoc_status: true, default_target: "x86_64-unknown-linux-gnu".to_string(), }), builds: vec![build.clone()], build_details: Some(build.clone()), limits: limits.clone(), }; let correct_json = json!({ "metadata": { "name": "serde", "version": "1.0.0", "description": "serde does stuff", "target_name": null, "rustdoc_status": true, "default_target": "x86_64-unknown-linux-gnu" }, "builds": [{ "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }], "build_details": { "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }, "limits": limits.for_website(), }); assert_eq!(correct_json, serde_json::to_value(&builds).unwrap()); builds.metadata = None; let correct_json = json!({ "metadata": null, "builds": [{ "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }], "build_details": { "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }, "limits": limits.for_website(), }); assert_eq!(correct_json, serde_json::to_value(&builds).unwrap()); builds.builds = Vec::new(); let correct_json = json!({ "metadata": null, "builds": [], "build_details": { "id": 22, "rustc_version": "rustc 1.43.0 (4fb7144ed 2020-04-20)", "cratesfyi_version": "docsrs 0.6.0 (3dd32ec 2020-05-01)", "build_time": time.format("%+").to_string(), "build_time_relative": duration_to_str(time), "output": null, "build_status": true }, "limits": limits.for_website() }); assert_eq!(correct_json, serde_json::to_value(&builds).unwrap()); builds.build_details = None; let correct_json = json!({ "metadata": null, "builds": [], "build_details": null, "limits": limits.for_website(), }); assert_eq!(correct_json, serde_json::to_value(&builds).unwrap()); } }

fb05c196317a4f6575dc4a0af18a5dd8ada1c1ac

// Copyright 2014-2020 bluss and ndarray developers. // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. use alloc::vec::Vec; use crate::dimension; use crate::error::{from_kind, ErrorKind, ShapeError}; use crate::imp_prelude::*; /// Stack arrays along the new axis. /// /// ***Errors*** if the arrays have mismatching shapes. /// ***Errors*** if `arrays` is empty, if `axis` is out of bounds, /// if the result is larger than is possible to represent. /// /// ``` /// extern crate ndarray; /// /// use ndarray::{arr2, arr3, stack, Axis}; /// /// # fn main() { /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// stack(Axis(0), &[a.view(), a.view()]) /// == Ok(arr3(&[[[2., 2.], /// [3., 3.]], /// [[2., 2.], /// [3., 3.]]])) /// ); /// # } /// ``` pub fn stack<A, D>( axis: Axis, arrays: &[ArrayView<A, D>], ) -> Result<Array<A, D::Larger>, ShapeError> where A: Clone, D: Dimension, D::Larger: RemoveAxis, { #[allow(deprecated)] stack_new_axis(axis, arrays) } /// Concatenate arrays along the given axis. /// /// ***Errors*** if the arrays have mismatching shapes, apart from along `axis`. /// (may be made more flexible in the future).<br> /// ***Errors*** if `arrays` is empty, if `axis` is out of bounds, /// if the result is larger than is possible to represent. /// /// ``` /// use ndarray::{arr2, Axis, concatenate}; /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// concatenate(Axis(0), &[a.view(), a.view()]) /// == Ok(arr2(&[[2., 2.], /// [3., 3.], /// [2., 2.], /// [3., 3.]])) /// ); /// ``` pub fn concatenate<A, D>(axis: Axis, arrays: &[ArrayView<A, D>]) -> Result<Array<A, D>, ShapeError> where A: Clone, D: RemoveAxis, { if arrays.is_empty() { return Err(from_kind(ErrorKind::Unsupported)); } let mut res_dim = arrays[0].raw_dim(); if axis.index() >= res_dim.ndim() { return Err(from_kind(ErrorKind::OutOfBounds)); } let common_dim = res_dim.remove_axis(axis); if arrays .iter() .any(|a| a.raw_dim().remove_axis(axis) != common_dim) { return Err(from_kind(ErrorKind::IncompatibleShape)); } let stacked_dim = arrays.iter().fold(0, |acc, a| acc + a.len_of(axis)); res_dim.set_axis(axis, stacked_dim); let new_len = dimension::size_of_shape_checked(&res_dim)?; // start with empty array with precomputed capacity // append's handling of empty arrays makes sure `axis` is ok for appending res_dim.set_axis(axis, 0); let mut res = unsafe { // Safety: dimension is size 0 and vec is empty Array::from_shape_vec_unchecked(res_dim, Vec::with_capacity(new_len)) }; for array in arrays { res.append(axis, array.clone())?; } debug_assert_eq!(res.len_of(axis), stacked_dim); Ok(res) } #[deprecated(note="Use under the name stack instead.", since="0.15.0")] /// Stack arrays along the new axis. /// /// ***Errors*** if the arrays have mismatching shapes. /// ***Errors*** if `arrays` is empty, if `axis` is out of bounds, /// if the result is larger than is possible to represent. /// /// ``` /// extern crate ndarray; /// /// use ndarray::{arr2, arr3, stack_new_axis, Axis}; /// /// # fn main() { /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// stack_new_axis(Axis(0), &[a.view(), a.view()]) /// == Ok(arr3(&[[[2., 2.], /// [3., 3.]], /// [[2., 2.], /// [3., 3.]]])) /// ); /// # } /// ``` pub fn stack_new_axis<A, D>( axis: Axis, arrays: &[ArrayView<A, D>], ) -> Result<Array<A, D::Larger>, ShapeError> where A: Clone, D: Dimension, D::Larger: RemoveAxis, { if arrays.is_empty() { return Err(from_kind(ErrorKind::Unsupported)); } let common_dim = arrays[0].raw_dim(); // Avoid panic on `insert_axis` call, return an Err instead of it. if axis.index() > common_dim.ndim() { return Err(from_kind(ErrorKind::OutOfBounds)); } let mut res_dim = common_dim.insert_axis(axis); if arrays.iter().any(|a| a.raw_dim() != common_dim) { return Err(from_kind(ErrorKind::IncompatibleShape)); } res_dim.set_axis(axis, arrays.len()); let new_len = dimension::size_of_shape_checked(&res_dim)?; // start with empty array with precomputed capacity // append's handling of empty arrays makes sure `axis` is ok for appending res_dim.set_axis(axis, 0); let mut res = unsafe { // Safety: dimension is size 0 and vec is empty Array::from_shape_vec_unchecked(res_dim, Vec::with_capacity(new_len)) }; for array in arrays { res.append(axis, array.clone().insert_axis(axis))?; } debug_assert_eq!(res.len_of(axis), arrays.len()); Ok(res) } /// Stack arrays along the new axis. /// /// Uses the [`stack`][1] function, calling `ArrayView::from(&a)` on each /// argument `a`. /// /// [1]: fn.stack.html /// /// ***Panics*** if the `stack` function would return an error. /// /// ``` /// extern crate ndarray; /// /// use ndarray::{arr2, arr3, stack, Axis}; /// /// # fn main() { /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// stack![Axis(0), a, a] /// == arr3(&[[[2., 2.], /// [3., 3.]], /// [[2., 2.], /// [3., 3.]]]) /// ); /// # } /// ``` #[macro_export] macro_rules! stack { ($axis:expr, $( $array:expr ),+ ) => { $crate::stack($axis, &[ $($crate::ArrayView::from(&$array) ),* ]).unwrap() } } /// Concatenate arrays along the given axis. /// /// Uses the [`concatenate`][1] function, calling `ArrayView::from(&a)` on each /// argument `a`. /// /// [1]: fn.concatenate.html /// /// ***Panics*** if the `concatenate` function would return an error. /// /// ``` /// extern crate ndarray; /// /// use ndarray::{arr2, concatenate, Axis}; /// /// # fn main() { /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// concatenate![Axis(0), a, a] /// == arr2(&[[2., 2.], /// [3., 3.], /// [2., 2.], /// [3., 3.]]) /// ); /// # } /// ``` #[macro_export] macro_rules! concatenate { ($axis:expr, $( $array:expr ),+ ) => { $crate::concatenate($axis, &[ $($crate::ArrayView::from(&$array) ),* ]).unwrap() } } /// Stack arrays along the new axis. /// /// Uses the [`stack_new_axis`][1] function, calling `ArrayView::from(&a)` on each /// argument `a`. /// /// [1]: fn.stack_new_axis.html /// /// ***Panics*** if the `stack` function would return an error. /// /// ``` /// extern crate ndarray; /// /// use ndarray::{arr2, arr3, stack_new_axis, Axis}; /// /// # fn main() { /// /// let a = arr2(&[[2., 2.], /// [3., 3.]]); /// assert!( /// stack_new_axis![Axis(0), a, a] /// == arr3(&[[[2., 2.], /// [3., 3.]], /// [[2., 2.], /// [3., 3.]]]) /// ); /// # } /// ``` #[macro_export] #[deprecated(note="Use under the name stack instead.", since="0.15.0")] macro_rules! stack_new_axis { ($axis:expr, $( $array:expr ),+ ) => { $crate::stack_new_axis($axis, &[ $($crate::ArrayView::from(&$array) ),* ]).unwrap() } }

5d1d873b87af99682a18a9df316dba7de9c455c7

pub const USER_STACK_SIZE: usize = 0x4000; pub const KERNEL_STACK_SIZE: usize = 0x4000; pub const KERNEL_HEAP_SIZE: usize = 0x20_0000; #[cfg(feature = "board_qemu")] pub const MEMORY_END: usize = 0x80A00000; #[cfg(feature = "board_lrv")] pub const MEMORY_END: usize = 0x100A00000; pub const PAGE_SIZE: usize = 0x1000; pub const PAGE_SIZE_BITS: usize = 0xc; pub const TRAMPOLINE: usize = usize::MAX - PAGE_SIZE + 1; pub const TRAP_CONTEXT: usize = TRAMPOLINE - PAGE_SIZE; pub const USER_TRAP_BUFFER: usize = TRAP_CONTEXT - PAGE_SIZE; #[cfg(feature = "board_qemu")] pub const CLOCK_FREQ: usize = 12500000; #[cfg(feature = "board_lrv")] pub const CLOCK_FREQ: usize = 10_000_000; pub const CPU_NUM: usize = 4;

feee5aa5561a8d1d8bf31c209ab50f708d47b78e

#[cfg(test)] mod trivial { use crate::types::KllFile; #[test] fn define() { let result = dbg!(KllFile::from_str("myDefine => myCDefine;\n")); assert!(result.is_ok()); } #[test] fn quoted() { let result = dbg!(KllFile::from_str("\"Foo Bar\" = \"Baz Cubed\";\n")); assert!(result.is_ok()); } #[test] fn array() { let result = dbg!(KllFile::from_str("Name_Foo[0] = myKeymapFile;\n")); assert!(result.is_ok()); } #[test] fn capability() { let result = dbg!(KllFile::from_str( "myCapability => myCFunction(arg1:1, arg2:2);\n" )); assert!(result.is_ok()); } #[test] fn scancode() { let result = dbg!(KllFile::from_str("S100 : U\"A\";\n")); assert!(result.is_ok()); } #[test] fn pixelmap() { let result = dbg!(KllFile::from_str("P[5](30:8) : S13;\n")); assert!(result.is_ok()); } #[test] fn position() { let result = dbg!(KllFile::from_str("P[30] <= x:20,rx:15;\n")); assert!(result.is_ok()); } #[test] fn animation() { let result = dbg!(KllFile::from_str( "A[MyEyesAreBleeding] <= start, loop:3;\n" )); assert!(result.is_ok()); } #[test] fn frame() { let result = dbg!(KllFile::from_str("A[Bleeed, 5] <= P[2](255,255,255);\n")); assert!(result.is_ok()); } #[test] fn result() { let result = dbg!(KllFile::from_str("S100 : P[23](+43,+21,-40);\n")); assert!(result.is_ok()); } } #[allow(non_snake_case)] #[cfg(test)] mod examples { use crate::types::KllFile; use std::fs; #[test] fn assignment() { let test = fs::read_to_string("examples/assignment.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn capabilities() { let test = fs::read_to_string("examples/capabilitiesExample.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn colemak() { let test = fs::read_to_string("examples/colemak.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn defaultmap() { let test = fs::read_to_string("examples/defaultMapExample.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn example() { let test = fs::read_to_string("examples/example.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn example2() { let test = fs::read_to_string("examples/example2.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn hhkbpro2() { let test = fs::read_to_string("examples/hhkbpro2.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } /* TODO #[test] fn leds() { let test = fs::read_to_string("examples/leds.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn leds2() { let test = fs::read_to_string("examples/leds2.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } */ #[test] fn mapping() { let test = fs::read_to_string("examples/mapping.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn md1map() { let test = fs::read_to_string("examples/md1Map.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn nonetest() { let test = fs::read_to_string("examples/nonetest.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } #[test] fn simple1() { let test = fs::read_to_string("examples/simple1.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } /* TODO #[test] fn simple2() { let test = fs::read_to_string("examples/simple2.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } */ #[test] fn simpleExample() { let test = fs::read_to_string("examples/simpleExample.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } /* TODO #[test] fn state_scheduling() { let test = fs::read_to_string("examples/state_scheduling.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } */ /* TODO #[test] fn triggers() { let test = fs::read_to_string("examples/triggers.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } */ #[test] fn utf8() { let test = fs::read_to_string("examples/utf8.kll").unwrap(); let result = dbg!(KllFile::from_str(&test)); assert!(result.is_ok()); } } #[cfg(test)] mod processing { use crate::types::{KllFile, Statement}; #[test] fn scancode_implied_state() { let result = dbg!(KllFile::from_str("S100 : U\"A\";\n")); assert!(result.is_ok()); match &result.unwrap().statements[0] { Statement::Keymap(mapping) => { dbg!(mapping.implied_state()); } _ => {} } } }

61cc9531652a24d814f73ccddbf0b37adbab29ed

// Copyright (c) The Libra Core Contributors // SPDX-License-Identifier: Apache-2.0 #![allow(unused_mut)] use cli::{ association_address, client_proxy::ClientProxy, AccountAddress, CryptoHash, TransactionArgument, TransactionPayload, }; use libra_config::config::{NodeConfig, RoleType}; use libra_crypto::{ed25519::*, test_utils::KeyPair, HashValue, SigningKey}; use libra_logger::prelude::*; use libra_swarm::swarm::LibraNode; use libra_swarm::{swarm::LibraSwarm, utils}; use libra_tools::tempdir::TempPath; use libra_types::block_info::BlockInfo; use libra_types::ledger_info::LedgerInfo; use libra_types::waypoint::Waypoint; use num_traits::cast::FromPrimitive; use rust_decimal::Decimal; use std::fs::{self, File}; use std::io::Read; use std::str::FromStr; use std::{thread, time}; struct TestEnvironment { validator_swarm: LibraSwarm, full_node_swarm: Option<LibraSwarm>, faucet_key: (KeyPair<Ed25519PrivateKey, Ed25519PublicKey>, String), mnemonic_file: TempPath, } impl TestEnvironment { fn new(num_validators: usize) -> Self { ::libra_logger::init_for_e2e_testing(); let validator_swarm = LibraSwarm::configure_swarm(num_validators, RoleType::Validator, None, None, None) .unwrap(); let mnemonic_file = libra_tools::tempdir::TempPath::new(); mnemonic_file .create_as_file() .expect("could not create temporary mnemonic_file_path"); let mut key_file = File::open(&validator_swarm.config.faucet_key_path) .expect("Unable to create faucet key file"); let mut serialized_key = Vec::new(); key_file .read_to_end(&mut serialized_key) .expect("Unable to read serialized faucet key"); let keypair = lcs::from_bytes(&serialized_key).expect("Unable to deserialize faucet key"); let keypair_path = validator_swarm .config .faucet_key_path .to_str() .expect("Unable to read faucet path") .to_string(); Self { validator_swarm, full_node_swarm: None, faucet_key: (keypair, keypair_path), mnemonic_file, } } fn setup_full_node_swarm(&mut self, num_full_nodes: usize) { self.full_node_swarm = Some( LibraSwarm::configure_swarm( num_full_nodes, RoleType::FullNode, None, None, Some(String::from( self.validator_swarm .dir .as_ref() .join("0") .to_str() .expect("Failed to convert std::fs::Path to String"), )), ) .unwrap(), ); } fn launch_swarm(&mut self, role: RoleType) { let mut swarm = match role { RoleType::Validator => &mut self.validator_swarm, RoleType::FullNode => self.full_node_swarm.as_mut().unwrap(), }; let num_attempts = 5; for _ in 0..num_attempts { match swarm.launch_attempt(role, false) { Ok(_) => { return; } Err(err) => { error!("Error launching swarm: {}", err); } } } panic!("Max out {} attempts to launch test swarm", num_attempts); } fn get_ac_client(&self, port: u16, waypoint: Option<Waypoint>) -> ClientProxy { let mnemonic_file_path = self .mnemonic_file .path() .to_path_buf() .canonicalize() .expect("Unable to get canonical path of mnemonic_file_path") .to_str() .unwrap() .to_string(); ClientProxy::new( "localhost", port, &self.faucet_key.1, false, /* faucet server */ None, Some(mnemonic_file_path), waypoint, ) .unwrap() } fn get_validator_ac_client( &self, node_index: usize, waypoint: Option<Waypoint>, ) -> ClientProxy { let port = self.validator_swarm.get_ac_port(node_index); self.get_ac_client(port, waypoint) } fn get_full_node_ac_client( &self, node_index: usize, waypoint: Option<Waypoint>, ) -> ClientProxy { match &self.full_node_swarm { Some(swarm) => { let port = swarm.get_ac_port(node_index); self.get_ac_client(port, waypoint) } None => { panic!("Full Node swarm is not initialized"); } } } fn get_validator(&self, node_index: usize) -> Option<&LibraNode> { self.validator_swarm.get_validator(node_index) } } fn setup_swarm_and_client_proxy( num_nodes: usize, client_port_index: usize, ) -> (TestEnvironment, ClientProxy) { let mut env = TestEnvironment::new(num_nodes); env.launch_swarm(RoleType::Validator); let ac_client = env.get_validator_ac_client(client_port_index, None); (env, ac_client) } fn test_smoke_script(mut client_proxy: ClientProxy) { client_proxy.create_next_account(false).unwrap(); client_proxy .mint_coins(&["mintb", "0", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); client_proxy.create_next_account(false).unwrap(); client_proxy.mint_coins(&["mintb", "1", "1"], true).unwrap(); client_proxy .transfer_coins(&["tb", "0", "1", "3"], true) .unwrap(); assert_eq!( Decimal::from_f64(7.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(4.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); client_proxy.create_next_account(false).unwrap(); client_proxy .mint_coins(&["mintb", "2", "15"], true) .unwrap(); assert_eq!( Decimal::from_f64(15.0), Decimal::from_str(&client_proxy.get_balance(&["b", "2"]).unwrap()).ok() ); } #[test] fn test_execute_custom_module_and_script() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(1, 0); client_proxy.create_next_account(false).unwrap(); client_proxy .mint_coins(&["mintb", "0", "50"], true) .unwrap(); assert_eq!( Decimal::from_f64(50.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); let recipient_address = client_proxy.create_next_account(false).unwrap().address; client_proxy.mint_coins(&["mintb", "1", "1"], true).unwrap(); let module_path = utils::workspace_root().join("testsuite/tests/libratest/dev_modules/module.mvir"); let unwrapped_module_path = module_path.to_str().unwrap(); let module_params = &["compile", "0", unwrapped_module_path, "module"]; let module_compiled_path = client_proxy.compile_program(module_params).unwrap(); client_proxy .publish_module(&["publish", "0", &module_compiled_path[..]]) .unwrap(); let script_path = utils::workspace_root().join("testsuite/tests/libratest/dev_modules/script.mvir"); let unwrapped_script_path = script_path.to_str().unwrap(); let script_params = &["execute", "0", unwrapped_script_path, "script"]; let script_compiled_path = client_proxy.compile_program(script_params).unwrap(); let formatted_recipient_address = format!("0x{}", recipient_address); client_proxy .execute_script(&[ "execute", "0", &script_compiled_path[..], &formatted_recipient_address[..], "10", ]) .unwrap(); assert_eq!( Decimal::from_f64(49.999_990), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(1.000_010), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); } #[test] fn smoke_test_single_node() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(1, 0); test_smoke_script(client_proxy); } #[test] fn smoke_test_single_node_block_metadata() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(1, 0); // just need an address to get the latest version let address = AccountAddress::from_hex_literal("0xA550C18").unwrap(); // sleep 1s to commit some blocks thread::sleep(time::Duration::from_secs(1)); let (_state, version) = client_proxy .get_latest_account_state(&["q", &address.to_string()]) .unwrap(); assert!(version > 0, "BlockMetadata txn not persisted"); } #[test] fn smoke_test_multi_node() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(4, 0); test_smoke_script(client_proxy); } #[test] fn test_concurrent_transfers_single_node() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(1, 0); client_proxy.create_next_account(false).unwrap(); client_proxy .mint_coins(&["mintb", "0", "100"], true) .unwrap(); client_proxy.create_next_account(false).unwrap(); for _ in 0..20 { client_proxy .transfer_coins(&["t", "0", "1", "1"], false) .unwrap(); } client_proxy .transfer_coins(&["tb", "0", "1", "1"], true) .unwrap(); assert_eq!( Decimal::from_f64(79.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(21.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); } #[test] fn test_basic_fault_tolerance() { // A configuration with 4 validators should tolerate single node failure. let (mut env, mut client_proxy) = setup_swarm_and_client_proxy(4, 1); // kill the first validator env.validator_swarm.kill_node(0); // run the script for the smoke test by submitting requests to the second validator test_smoke_script(client_proxy); } #[test] fn test_basic_restartability() { let (mut env, mut client_proxy) = setup_swarm_and_client_proxy(4, 0); client_proxy.create_next_account(false).unwrap(); client_proxy.create_next_account(false).unwrap(); client_proxy.mint_coins(&["mb", "0", "100"], true).unwrap(); client_proxy .transfer_coins(&["tb", "0", "1", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); let peer_to_restart = 0; // restart node env.validator_swarm.kill_node(peer_to_restart); assert!(env .validator_swarm .add_node(peer_to_restart, RoleType::Validator, false) .is_ok()); assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); client_proxy .transfer_coins(&["tb", "0", "1", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(80.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(20.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); } #[test] fn test_startup_sync_state() { let (mut env, mut client_proxy_1) = setup_swarm_and_client_proxy(4, 1); client_proxy_1.create_next_account(false).unwrap(); client_proxy_1.create_next_account(false).unwrap(); client_proxy_1 .mint_coins(&["mb", "0", "100"], true) .unwrap(); client_proxy_1 .transfer_coins(&["tb", "0", "1", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy_1.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy_1.get_balance(&["b", "1"]).unwrap()).ok() ); let peer_to_stop = 0; env.validator_swarm.kill_node(peer_to_stop); let node_config = NodeConfig::load( env.validator_swarm .config .config_files .get(peer_to_stop) .unwrap(), ) .unwrap(); // TODO Remove hardcoded path to state db let state_db_path = node_config.storage.dir().join("libradb"); // Verify that state_db_path exists and // we are not deleting a non-existent directory assert!(state_db_path.as_path().exists()); // Delete the state db to simulate state db lagging // behind consensus db and forcing a state sync // during a node startup fs::remove_dir_all(state_db_path).unwrap(); assert!(env .validator_swarm .add_node(peer_to_stop, RoleType::Validator, false) .is_ok()); // create the client for the restarted node let accounts = client_proxy_1.copy_all_accounts(); let mut client_proxy_0 = env.get_validator_ac_client(0, None); let sender_address = accounts[0].address; client_proxy_0.set_accounts(accounts); client_proxy_0.wait_for_transaction(sender_address, 1); assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "1"]).unwrap()).ok() ); client_proxy_1 .transfer_coins(&["tb", "0", "1", "10"], true) .unwrap(); client_proxy_0.wait_for_transaction(sender_address, 2); assert_eq!( Decimal::from_f64(80.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(20.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "1"]).unwrap()).ok() ); } #[test] fn test_basic_state_synchronization() { // // - Start a swarm of 5 nodes (3 nodes forming a QC). // - Kill one node and continue submitting transactions to the others. // - Restart the node // - Wait for all the nodes to catch up // - Verify that the restarted node has synced up with the submitted transactions. let (mut env, mut client_proxy) = setup_swarm_and_client_proxy(5, 1); client_proxy.create_next_account(false).unwrap(); client_proxy.create_next_account(false).unwrap(); client_proxy.mint_coins(&["mb", "0", "100"], true).unwrap(); client_proxy .transfer_coins(&["tb", "0", "1", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); let node_to_restart = 0; env.validator_swarm.kill_node(node_to_restart); // All these are executed while one node is down assert_eq!( Decimal::from_f64(90.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy.get_balance(&["b", "1"]).unwrap()).ok() ); for _ in 0..5 { client_proxy .transfer_coins(&["tb", "0", "1", "1"], true) .unwrap(); } // Reconnect and synchronize the state assert!(env .validator_swarm .add_node(node_to_restart, RoleType::Validator, false) .is_ok()); // Wait for all the nodes to catch up assert!(env.validator_swarm.wait_for_all_nodes_to_catchup()); // Connect to the newly recovered node and verify its state let mut client_proxy2 = env.get_validator_ac_client(node_to_restart, None); client_proxy2.set_accounts(client_proxy.copy_all_accounts()); assert_eq!( Decimal::from_f64(85.0), Decimal::from_str(&client_proxy2.get_balance(&["b", "0"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(15.0), Decimal::from_str(&client_proxy2.get_balance(&["b", "1"]).unwrap()).ok() ); } #[test] fn test_external_transaction_signer() { let (_swarm, mut client_proxy) = setup_swarm_and_client_proxy(1, 0); // generate key pair let mut seed: [u8; 32] = [0u8; 32]; seed[..4].copy_from_slice(&[1, 2, 3, 4]); let key_pair = compat::generate_keypair(None); let private_key = key_pair.0; let public_key = key_pair.1; // create transfer parameters let sender_address = AccountAddress::from_public_key(&public_key); let receiver_address = client_proxy .get_account_address_from_parameter( "1bfb3b36384dabd29e38b4a0eafd9797b75141bb007cea7943f8a4714d3d784a", ) .unwrap(); let amount = ClientProxy::convert_to_micro_libras("1").unwrap(); let gas_unit_price = 123; let max_gas_amount = 1000; // mint to the sender address client_proxy .mint_coins(&["mintb", &format!("{}", sender_address), "10"], true) .unwrap(); // prepare transfer transaction let sequence_number = client_proxy .get_sequence_number(&["sequence", &format!("{}", sender_address)]) .unwrap(); let unsigned_txn = client_proxy .prepare_transfer_coins( sender_address, sequence_number, receiver_address, amount, Some(gas_unit_price), Some(max_gas_amount), ) .unwrap(); assert_eq!(unsigned_txn.sender(), sender_address); // sign the transaction with the private key let signature = private_key.sign_message(&unsigned_txn.hash()); // submit the transaction let submit_txn_result = client_proxy.submit_signed_transaction(unsigned_txn, public_key, signature); assert!(submit_txn_result.is_ok()); // query the transaction and check it contains the same values as requested let txn = client_proxy .get_committed_txn_by_acc_seq(&[ "txn_acc_seq", &format!("{}", sender_address), &sequence_number.to_string(), "false", ]) .unwrap() .unwrap() .0; let submitted_signed_txn = txn .as_signed_user_txn() .expect("Query should get user transaction."); assert_eq!(submitted_signed_txn.sender(), sender_address); assert_eq!(submitted_signed_txn.sequence_number(), sequence_number); assert_eq!(submitted_signed_txn.gas_unit_price(), gas_unit_price); assert_eq!(submitted_signed_txn.max_gas_amount(), max_gas_amount); match submitted_signed_txn.payload() { TransactionPayload::Script(program) => match program.args().len() { 2 => match (&program.args()[0], &program.args()[1]) { ( TransactionArgument::Address(arg_receiver), TransactionArgument::U64(arg_amount), ) => { assert_eq!(arg_receiver.clone(), receiver_address); assert_eq!(arg_amount.clone(), amount); } _ => panic!( "The first argument for payment transaction must be recipient address \ and the second argument must be amount." ), }, _ => panic!("Signed transaction payload arguments must have two arguments."), }, _ => panic!("Signed transaction payload expected to be of struct Script"), } } #[test] fn test_full_node_basic_flow() { // launch environment of 4 validator nodes and 2 full nodes let mut env = TestEnvironment::new(4); env.setup_full_node_swarm(2); env.launch_swarm(RoleType::Validator); env.launch_swarm(RoleType::FullNode); // execute smoke script test_smoke_script(env.get_validator_ac_client(0, None)); // read state from full node client let mut validator_ac_client = env.get_validator_ac_client(1, None); let mut full_node_client = env.get_full_node_ac_client(1, None); let mut full_node_client_2 = env.get_full_node_ac_client(0, None); for idx in 0..3 { validator_ac_client.create_next_account(false).unwrap(); full_node_client.create_next_account(false).unwrap(); full_node_client_2.create_next_account(false).unwrap(); assert_eq!( validator_ac_client .get_balance(&["b", &idx.to_string()]) .unwrap(), full_node_client .get_balance(&["b", &idx.to_string()]) .unwrap(), ); } let sender_account = &format!( "{}", validator_ac_client.faucet_account.clone().unwrap().address ); // mint from full node and check both validator and full node have correct balance let account3 = validator_ac_client .create_next_account(false) .unwrap() .address; full_node_client.create_next_account(false).unwrap(); full_node_client_2.create_next_account(false).unwrap(); let mint_result = full_node_client.mint_coins(&["mintb", "3", "10"], true); assert!(mint_result.is_ok()); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&full_node_client.get_balance(&["b", "3"]).unwrap()).ok() ); let sequence = full_node_client .get_sequence_number(&["sequence", sender_account, "true"]) .unwrap(); validator_ac_client.wait_for_transaction( validator_ac_client.faucet_account.clone().unwrap().address, sequence, ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&validator_ac_client.get_balance(&["b", "3"]).unwrap()).ok() ); // reset sequence number for sender account validator_ac_client .get_sequence_number(&["sequence", sender_account, "true"]) .unwrap(); full_node_client .get_sequence_number(&["sequence", sender_account, "true"]) .unwrap(); // mint from validator and check both nodes have correct balance validator_ac_client.create_next_account(false).unwrap(); full_node_client.create_next_account(false).unwrap(); full_node_client_2.create_next_account(false).unwrap(); validator_ac_client .mint_coins(&["mintb", "4", "10"], true) .unwrap(); let sequence = validator_ac_client .get_sequence_number(&["sequence", sender_account, "true"]) .unwrap(); full_node_client.wait_for_transaction( validator_ac_client.faucet_account.clone().unwrap().address, sequence, ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&validator_ac_client.get_balance(&["b", "4"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&full_node_client.get_balance(&["b", "4"]).unwrap()).ok() ); // minting again on validator doesn't cause error since client sequence has been updated validator_ac_client .mint_coins(&["mintb", "4", "10"], true) .unwrap(); // test transferring balance from 0 to 1 through full node proxy full_node_client .transfer_coins(&["tb", "3", "4", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(0.0), Decimal::from_str(&full_node_client.get_balance(&["b", "3"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(30.0), Decimal::from_str(&validator_ac_client.get_balance(&["b", "4"]).unwrap()).ok() ); let sequence = validator_ac_client .get_sequence_number(&["sequence", &format!("{}", account3), "true"]) .unwrap(); full_node_client_2.wait_for_transaction(account3, sequence); assert_eq!( Decimal::from_f64(0.0), Decimal::from_str(&full_node_client_2.get_balance(&["b", "3"]).unwrap()).ok() ); assert_eq!( Decimal::from_f64(30.0), Decimal::from_str(&full_node_client_2.get_balance(&["b", "4"]).unwrap()).ok() ); } #[test] fn test_e2e_reconfiguration() { let (mut env, mut client_proxy_1) = setup_swarm_and_client_proxy(3, 1); // the client connected to the removed validator let mut client_proxy_0 = env.get_validator_ac_client(0, None); client_proxy_1.create_next_account(false).unwrap(); client_proxy_0.set_accounts(client_proxy_1.copy_all_accounts()); client_proxy_1 .mint_coins(&["mintb", "0", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy_1.get_balance(&["b", "0"]).unwrap()).ok() ); // wait for the mint txn in node 0 client_proxy_0.wait_for_transaction(association_address(), 1); assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "0"]).unwrap()).ok() ); let peer_id = env .get_validator(0) .unwrap() .validator_peer_id() .unwrap() .to_string(); client_proxy_1 .remove_validator(&["remove_validator", &peer_id], true) .unwrap(); // mint another 10 coins after remove node 0 client_proxy_1 .mint_coins(&["mintb", "0", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(20.0), Decimal::from_str(&client_proxy_1.get_balance(&["b", "0"]).unwrap()).ok() ); // client connected to removed validator can not see the update assert_eq!( Decimal::from_f64(10.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "0"]).unwrap()).ok() ); // Add the node back client_proxy_1 .add_validator(&["add_validator", &peer_id], true) .unwrap(); // Wait for it catches up, mint1 + remove + mint2 + add => seq == 4 client_proxy_0.wait_for_transaction(association_address(), 4); assert_eq!( Decimal::from_f64(20.0), Decimal::from_str(&client_proxy_0.get_balance(&["b", "0"]).unwrap()).ok() ); } #[test] fn test_client_waypoints() { let (mut env, mut client_proxy) = setup_swarm_and_client_proxy(3, 1); // Make sure some txns are committed client_proxy.create_next_account(false).unwrap(); client_proxy .mint_coins(&["mintb", "0", "10"], true) .unwrap(); // Create the waypoint for the initial epoch let genesis_li = client_proxy .latest_epoch_change_li() .expect("Failed to retrieve genesis LedgerInfo"); assert_eq!(genesis_li.ledger_info().epoch(), 0); let genesis_waypoint = Waypoint::new(genesis_li.ledger_info()) .expect("Failed to generate waypoint from genesis LI"); // Start another client with the genesis waypoint and make sure it successfully connects let mut client_with_waypoint = env.get_validator_ac_client(0, Some(genesis_waypoint.clone())); client_with_waypoint.test_validator_connection().unwrap(); assert_eq!( client_with_waypoint.latest_epoch_change_li().unwrap(), genesis_li ); // Start next epoch let peer_id = env .get_validator(0) .unwrap() .validator_peer_id() .unwrap() .to_string(); client_proxy .remove_validator(&["remove_validator", &peer_id], true) .unwrap(); client_proxy .mint_coins(&["mintb", "0", "10"], true) .unwrap(); assert_eq!( Decimal::from_f64(20.0), Decimal::from_str(&client_proxy.get_balance(&["b", "0"]).unwrap()).ok() ); let epoch_1_li = client_proxy .latest_epoch_change_li() .expect("Failed to retrieve end of epoch 1 LedgerInfo"); assert_eq!(epoch_1_li.ledger_info().epoch(), 1); let epoch_1_waypoint = Waypoint::new(epoch_1_li.ledger_info()) .expect("Failed to generate waypoint from end of epoch 1"); // Start a client with the waypoint for end of epoch 1 and make sure it successfully connects client_with_waypoint = env.get_validator_ac_client(1, Some(epoch_1_waypoint.clone())); client_with_waypoint.test_validator_connection().unwrap(); assert_eq!( client_with_waypoint.latest_epoch_change_li().unwrap(), epoch_1_li ); // Verify that a client with the wrong waypoint is not going to be able to connect to the chain. let bad_li = LedgerInfo::new(BlockInfo::genesis(), HashValue::zero()); let bad_waypoint = Waypoint::new(&bad_li).unwrap(); let mut client_with_bad_waypoint = env.get_validator_ac_client(1, Some(bad_waypoint)); assert!(client_with_bad_waypoint .test_validator_connection() .is_err()); }

bb6d66a3266c003fb985a63840d9e8c6339a6888

// Copyright 2021 Contributors to the Parsec project. // SPDX-License-Identifier: Apache-2.0 use std::convert::{From, TryFrom}; use tss_esapi::{ handles::{ObjectHandle, PcrHandle}, tss2_esys::{ ESYS_TR, ESYS_TR_PCR0, ESYS_TR_PCR1, ESYS_TR_PCR10, ESYS_TR_PCR11, ESYS_TR_PCR12, ESYS_TR_PCR13, ESYS_TR_PCR14, ESYS_TR_PCR15, ESYS_TR_PCR16, ESYS_TR_PCR17, ESYS_TR_PCR18, ESYS_TR_PCR19, ESYS_TR_PCR2, ESYS_TR_PCR20, ESYS_TR_PCR21, ESYS_TR_PCR22, ESYS_TR_PCR23, ESYS_TR_PCR24, ESYS_TR_PCR25, ESYS_TR_PCR26, ESYS_TR_PCR27, ESYS_TR_PCR28, ESYS_TR_PCR29, ESYS_TR_PCR3, ESYS_TR_PCR30, ESYS_TR_PCR31, ESYS_TR_PCR4, ESYS_TR_PCR5, ESYS_TR_PCR6, ESYS_TR_PCR7, ESYS_TR_PCR8, ESYS_TR_PCR9, }, }; #[test] fn test_conversion_of_invalid_handle() { let invalid_value: ESYS_TR = 0xFFFFFFFF; let invalid_object_handle: ObjectHandle = ObjectHandle::from(invalid_value); let _ = PcrHandle::try_from(invalid_value).unwrap_err(); let _ = PcrHandle::try_from(invalid_object_handle).unwrap_err(); } macro_rules! test_valid_conversions { ($esys_tr_handle:ident, PcrHandle::$pcr_handle:ident) => { assert_eq!( ObjectHandle::from(PcrHandle::$pcr_handle), ObjectHandle::from($esys_tr_handle), "ObjectHandle conversion failed for PcrHandle::{}", std::stringify!($pcr_handle) ); assert_eq!( $esys_tr_handle, ESYS_TR::from(PcrHandle::$pcr_handle), "Esys TR handle conversion failed for PcrHandle::{}", std::stringify!($pcr_handle), ); assert_eq!( PcrHandle::$pcr_handle, PcrHandle::try_from($esys_tr_handle).expect(&format!( "Failed to convert {} to PcrHandle", std::stringify!($esys_tr_handle) )), "{} did not convert to the expected value PcrHandle::{}", std::stringify!($esys_tr_handle), std::stringify!($pcr_handle), ); }; } #[test] fn test_conversion_of_valid_handle() { // Check the valid values test_valid_conversions!(ESYS_TR_PCR0, PcrHandle::Pcr0); test_valid_conversions!(ESYS_TR_PCR1, PcrHandle::Pcr1); test_valid_conversions!(ESYS_TR_PCR2, PcrHandle::Pcr2); test_valid_conversions!(ESYS_TR_PCR3, PcrHandle::Pcr3); test_valid_conversions!(ESYS_TR_PCR4, PcrHandle::Pcr4); test_valid_conversions!(ESYS_TR_PCR5, PcrHandle::Pcr5); test_valid_conversions!(ESYS_TR_PCR6, PcrHandle::Pcr6); test_valid_conversions!(ESYS_TR_PCR7, PcrHandle::Pcr7); test_valid_conversions!(ESYS_TR_PCR8, PcrHandle::Pcr8); test_valid_conversions!(ESYS_TR_PCR9, PcrHandle::Pcr9); test_valid_conversions!(ESYS_TR_PCR10, PcrHandle::Pcr10); test_valid_conversions!(ESYS_TR_PCR11, PcrHandle::Pcr11); test_valid_conversions!(ESYS_TR_PCR12, PcrHandle::Pcr12); test_valid_conversions!(ESYS_TR_PCR13, PcrHandle::Pcr13); test_valid_conversions!(ESYS_TR_PCR14, PcrHandle::Pcr14); test_valid_conversions!(ESYS_TR_PCR15, PcrHandle::Pcr15); test_valid_conversions!(ESYS_TR_PCR16, PcrHandle::Pcr16); test_valid_conversions!(ESYS_TR_PCR17, PcrHandle::Pcr17); test_valid_conversions!(ESYS_TR_PCR18, PcrHandle::Pcr18); test_valid_conversions!(ESYS_TR_PCR19, PcrHandle::Pcr19); test_valid_conversions!(ESYS_TR_PCR20, PcrHandle::Pcr20); test_valid_conversions!(ESYS_TR_PCR21, PcrHandle::Pcr21); test_valid_conversions!(ESYS_TR_PCR22, PcrHandle::Pcr22); test_valid_conversions!(ESYS_TR_PCR23, PcrHandle::Pcr23); test_valid_conversions!(ESYS_TR_PCR24, PcrHandle::Pcr24); test_valid_conversions!(ESYS_TR_PCR25, PcrHandle::Pcr25); test_valid_conversions!(ESYS_TR_PCR26, PcrHandle::Pcr26); test_valid_conversions!(ESYS_TR_PCR27, PcrHandle::Pcr27); test_valid_conversions!(ESYS_TR_PCR28, PcrHandle::Pcr28); test_valid_conversions!(ESYS_TR_PCR29, PcrHandle::Pcr29); test_valid_conversions!(ESYS_TR_PCR30, PcrHandle::Pcr30); test_valid_conversions!(ESYS_TR_PCR31, PcrHandle::Pcr31); }

b9f6ebebb8fbacfa81b245b91970f510d4a68af9

use crate::cli::cli::{pre_exec, Colors, Palette}; use clap::{App, Arg, ArgMatches}; use fancy_regex::Regex; pub struct Cmd {} impl Cmd { pub fn new() -> App<'static> { App::new("du") .args(&[ Arg::new("FILE").about("[FILE]"), Arg::new("null").long("null").short('0').about("end each output line with NUL, not newline"), Arg::new("all").long("all").short('a').about("write counts for all files, not just directories"), Arg::new("apparent-size").long("apparent-size").about("print apparent sizes, rather than disk usage"), Arg::new("block-size").long("block-size").short('B').takes_value(true).about("scale sizes by SIZE before printing them"), Arg::new("bytes").long("bytes").short('b').about("equivalent to '--apparent-size --block-size=1'"), Arg::new("total").long("total").short('c').about("produce a grand total"), Arg::new("dereference-args").long("dereference-args").short('D').short('H').about("dereference only symlinks that are listed on the command line"), Arg::new("max-depth").long("max-depth").short('d').takes_value(true).about("print the total for a directory"), Arg::new("files0-from").long("files0-from").short('F').takes_value(true).about("summarize disk usage of the NUL-terminated file names specified in file F; if F is -, then read names from standard input"), Arg::new("human-readable").long("human-readable").short('h').about("print sizes in human readable format (e.g., 1K 234M 2G)"), Arg::new("inodes").long("inodes").about("list inode usage information instead of block usage"), Arg::new("k").short('k').about("like --block-size=1K"), Arg::new("dereference").long("dereference").short('L').about("dereference all symbolic links"), Arg::new("count-links").long("count-links").short('l').about("count sizes many times if hard linked"), Arg::new("m").short('m').about("like --block-size=1M"), Arg::new("no-dereference").long("no-dereference").short('P').about("don't follow any symbolic links (this is the default)"), Arg::new("separate-dirs").long("separate-dirs").short('S').about("for directories do not include size of subdirectories"), Arg::new("si").long("si").about("like -h, but use powers of 1000 not 1024"), Arg::new("summarize").long("summarize").short('s').about("display only a total for each argument"), Arg::new("threshold").long("threshold").short('t').takes_value(true).about("exclude entries smaller than SIZE if positive, or entries greater than SIZE if negative"), Arg::new("time").long("time").about("show time of the last modification of any file in the directory, or any of its subdirectories"), Arg::new("time-style").long("time-style").takes_value(true).about("show times using STYLE, which can be: full-iso, long-iso, iso, or +FORMAT; FORMAT is interpreted like in 'date'"), Arg::new("exclude-from").long("exclude-from").short('X').takes_value(true).about("exclude files that match any pattern in FILE"), Arg::new("exclude").long("exclude").takes_value(true).about("exclude files that match PATTERN"), Arg::new("one-file-system").long("one-file-system").short('x').takes_value(true).about("skip directories on different file systems"), Arg::new("help").long("help").about("display this help and exit"), Arg::new("version").long("version").about("output version information and exit"), ]) .about("du") } pub fn parse(_app: &ArgMatches) { // print!("{:?}", app); pre_exec(Cmd::palette()); } fn palette() -> Vec<Palette<'static>> { vec![ // Path Palette { regexp: Regex::new(r#"\s+[\./]+([\w\s\-\_\.]+)(/.*)?$"#).unwrap(), colors: vec![&Colors::Default, &Colors::BBlue, &Colors::Blue], }, // Total Palette { regexp: Regex::new(r#"(.*)\s+(total)$"#).unwrap(), colors: vec![&Colors::BYellow], }, // Size 'T' Palette { regexp: Regex::new(r#"^ ?\d*[.,]?\dTi?"#).unwrap(), colors: vec![&Colors::BRed], }, // Size 'G' Palette { regexp: Regex::new(r#"^ ?\d*[.,]?\dGi?"#).unwrap(), colors: vec![&Colors::Red], }, Palette { regexp: Regex::new(r#"^\d{7,9}"#).unwrap(), colors: vec![&Colors::Red], }, // Size 'M' Palette { regexp: Regex::new(r#"^ ?\d*[.,]?\dMi?"#).unwrap(), colors: vec![&Colors::Yellow], }, Palette { regexp: Regex::new(r#"^\d{4,6}"#).unwrap(), colors: vec![&Colors::Yellow], }, // Size 'K' Palette { regexp: Regex::new(r#"^ ?\d*[.,]?\dKi?"#).unwrap(), colors: vec![&Colors::Green], }, Palette { regexp: Regex::new(r#"^\d{1,3}"#).unwrap(), colors: vec![&Colors::Green], }, // Cannot read error Palette { regexp: Regex::new(r#"^du.*"#).unwrap(), colors: vec![&Colors::Red], }, ] } }

1878dd4618730d93d762fc941f926f506a9f023d

// Jump back and forth between the OS main thread and a new scheduler. // The OS main scheduler should continue to be available and not terminate // while it is not in use. fn main() { run(100); } fn run(i: int) { log(debug, i); if i == 0 { return; } do task::task().sched_mode(task::PlatformThread).unlinked().spawn { task::yield(); do task::task().sched_mode(task::SingleThreaded).unlinked().spawn { task::yield(); run(i - 1); task::yield(); } task::yield(); } }

d6e3296e397748d1f30d4bbf49025165c0ca87a3

use libc::*; pub const ERR_TXT_MALLOCED: c_int = 0x01; pub const ERR_TXT_STRING: c_int = 0x02; pub const ERR_LIB_PEM: c_int = 9; pub const ERR_LIB_ASN1: c_int = 13; const_fn! { pub const fn ERR_PACK(l: c_int, f: c_int, r: c_int) -> c_ulong { ((l as c_ulong & 0x0FF) << 24) | ((f as c_ulong & 0xFFF) << 12) | (r as c_ulong & 0xFFF) } pub const fn ERR_GET_LIB(l: c_ulong) -> c_int { ((l >> 24) & 0x0FF) as c_int } pub const fn ERR_GET_FUNC(l: c_ulong) -> c_int { ((l >> 12) & 0xFFF) as c_int } pub const fn ERR_GET_REASON(l: c_ulong) -> c_int { (l & 0xFFF) as c_int } } #[repr(C)] pub struct ERR_STRING_DATA { pub error: c_ulong, pub string: *const c_char, } extern "C" { pub fn ERR_put_error(lib: c_int, func: c_int, reason: c_int, file: *const c_char, line: c_int); pub fn ERR_set_error_data(data: *mut c_char, flags: c_int); pub fn ERR_get_error() -> c_ulong; pub fn ERR_get_error_line_data( file: *mut *const c_char, line: *mut c_int, data: *mut *const c_char, flags: *mut c_int, ) -> c_ulong; pub fn ERR_peek_last_error() -> c_ulong; pub fn ERR_clear_error(); pub fn ERR_lib_error_string(err: c_ulong) -> *const c_char; pub fn ERR_func_error_string(err: c_ulong) -> *const c_char; pub fn ERR_reason_error_string(err: c_ulong) -> *const c_char; #[cfg(ossl110)] pub fn ERR_load_strings(lib: c_int, str: *mut ERR_STRING_DATA) -> c_int; #[cfg(not(ossl110))] pub fn ERR_load_strings(lib: c_int, str: *mut ERR_STRING_DATA); #[cfg(not(ossl110))] pub fn ERR_load_crypto_strings(); pub fn ERR_get_next_error_library() -> c_int; }

39377b9d83d3f1035f634609b46620023dfa4295

gui_main_project.pkg1.DepositWindow$10 gui_main_project.pkg1.DepositWindow$7 gui_main_project.pkg1.DepositWindow$6 gui_main_project.pkg1.DepositWindow$5 gui_main_project.pkg1.DepositWindow$4 gui_main_project.pkg1.DepositWindow$3 gui_main_project.pkg1.DepositWindow$2 gui_main_project.pkg1.DepositWindow$1 gui_main_project.pkg1.DepositWindow$11 gui_main_project.pkg1.DepositWindow$9 gui_main_project.pkg1.DepositWindow$8 gui_main_project.pkg1.MyCalendar gui_main_project.pkg1.DepositWindow

28f5dcf598fca62124d8b01a97a8afa703572a68

#[derive(Serialize, Deserialize)] pub struct ZipResult { #[serde(rename="post code")] post_code: String, country: String, #[serde(rename="country abbreviation")] country_abbr: String, places: Vec<Place>, } #[derive(Serialize, Deserialize)] pub struct Place { #[serde(rename="place name")] place_name: String, latitude: String, longitude: String, state: String, #[serde(rename="state abbreviation")] state_abbr: String, } impl ::std::fmt::Display for ZipResult { fn fmt(&self, f: &mut ::std::fmt::Formatter) -> ::std::fmt::Result { match self.places.iter().nth(0) { Some(place) => write!(f, "{}, {} {}", place.place_name, place.state, self.post_code), None => f.write_str("No matches found"), } } }

0e784ecac53323e7128132221a46ed81e52fc3ce

extern crate cc; use std::env; use std::path::{ Path, PathBuf }; use std::process::Command; macro_rules! binary(() => (if cfg!(target_pointer_width = "32") { "32" } else { "64" })); macro_rules! feature(($name:expr) => (env::var(concat!("CARGO_FEATURE_", $name)).is_ok())); macro_rules! switch(($condition:expr) => (if $condition { "YES" } else { "NO" })); macro_rules! variable(($name:expr) => (env::var($name).unwrap())); fn main() { for v in env::vars() { println!("{:?}", v); } let kind = if feature!("STATIC") { "static" } else { "dylib" }; if !feature!("SYSTEM") { let output = PathBuf::from(variable!("OUT_DIR").replace(r"\", "/")); if !output.join("libopenblas.a").exists() { build(&output); } println!( "cargo:rustc-link-search={}", output.join("opt/OpenBLAS/lib").display(), ); } println!("cargo:rustc-link-lib={}=openblas", kind); // println!("cargo:rustc-link-lib=dylib=gfortran"); } fn build(output: &Path) { let cblas = feature!("CBLAS"); let lapacke = feature!("LAPACKE"); let source = PathBuf::from("source"); let target = variable!("TARGET"); let host = variable!("HOST"); let cross_args = if target != host { let cc = cc::Build::new().get_compiler(); let toolchain_bin_dir = cc.path().parent().expect("toolchain is a dir"); let cc_exe = cc.path().file_name().expect("cc was not a file") .to_string_lossy(); let splitted_exe = cc_exe.split("-").collect::<Vec<_>>(); let prefix = splitted_exe[0..splitted_exe.len()-1].join("-"); let fc = toolchain_bin_dir.join(format!("{}-gfortran", prefix)); let ar = toolchain_bin_dir.join(format!("{}-ar", prefix)); vec!( format!("CC={}", cc.path().to_string_lossy()), // format!("FC={}", fc.to_string_lossy()), format!("AR={}", ar.to_string_lossy()), format!("NOFORTRAN=1"), "HOSTCC=cc".to_string(), "TARGET=ARMV6".to_string(), ) } else { vec!() }; env::remove_var("TARGET"); run( Command::new("make") .args(&["libs", "netlib", "shared"]) .arg(format!("BINARY={}", variable!("CARGO_CFG_TARGET_POINTER_WIDTH"))) .arg(format!("{}_CBLAS=1", switch!(cblas))) .arg(format!("{}_LAPACKE=1", switch!(lapacke))) // .arg(format!("-j{}", variable!("NUM_JOBS"))) .args(cross_args) .current_dir(&source), ); run( Command::new("make") .arg("install") .arg(format!("DESTDIR={}", output.display())) .current_dir(&source), ); } fn run(command: &mut Command) { println!("Running: `{:?}`", command); match command.status() { Ok(status) => if !status.success() { panic!("Failed: `{:?}` ({})", command, status); }, Err(error) => { panic!("Failed: `{:?}` ({})", command, error); } } }

edcfac979fb3ef2c11a2e906385b1b1ce52c175f

use once_cell::sync::Lazy; use wasmer::{imports, Function, ImportObject, Instance}; pub static IMPORT_OBJECTS: Lazy<ImportObject> = Lazy::new(|| imports! {}); pub fn seach_function<'a>( instance: &'a Instance, name: &'a str, ) -> Option<(&'a String, &'a Function)> { instance .exports .iter() .functions() .filter(|(x, _)| x == &name) .nth(0) }

acbbdcfc7a7aee217f03266bf4bc91a44dacdd77

// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT. /// Service config. /// /// /// Service configuration allows for customization of endpoints, region, credentials providers, /// and retry configuration. Generally, it is constructed automatically for you from a shared /// configuration loaded by the `aws-config` crate. For example: /// /// ```ignore /// // Load a shared config from the environment /// let shared_config = aws_config::from_env().load().await; /// // The client constructor automatically converts the shared config into the service config /// let client = Client::new(&shared_config); /// ``` /// /// The service config can also be constructed manually using its builder. /// pub struct Config { pub(crate) make_token: crate::idempotency_token::IdempotencyTokenProvider, app_name: Option<aws_types::app_name::AppName>, pub(crate) timeout_config: Option<aws_smithy_types::timeout::Config>, pub(crate) sleep_impl: Option<std::sync::Arc<dyn aws_smithy_async::rt::sleep::AsyncSleep>>, pub(crate) retry_config: Option<aws_smithy_types::retry::RetryConfig>, pub(crate) endpoint_resolver: ::std::sync::Arc<dyn aws_endpoint::ResolveAwsEndpoint>, pub(crate) region: Option<aws_types::region::Region>, pub(crate) credentials_provider: aws_types::credentials::SharedCredentialsProvider, } impl std::fmt::Debug for Config { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { let mut config = f.debug_struct("Config"); config.finish() } } impl Config { /// Constructs a config builder. pub fn builder() -> Builder { Builder::default() } /// Returns the name of the app that is using the client, if it was provided. /// /// This _optional_ name is used to identify the application in the user agent that /// gets sent along with requests. pub fn app_name(&self) -> Option<&aws_types::app_name::AppName> { self.app_name.as_ref() } /// Creates a new [service config](crate::Config) from a [shared `config`](aws_types::sdk_config::SdkConfig). pub fn new(config: &aws_types::sdk_config::SdkConfig) -> Self { Builder::from(config).build() } /// The signature version 4 service signing name to use in the credential scope when signing requests. /// /// The signing service may be overridden by the `Endpoint`, or by specifying a custom /// [`SigningService`](aws_types::SigningService) during operation construction pub fn signing_service(&self) -> &'static str { "fis" } } /// Builder for creating a `Config`. #[derive(Default)] pub struct Builder { make_token: Option<crate::idempotency_token::IdempotencyTokenProvider>, app_name: Option<aws_types::app_name::AppName>, timeout_config: Option<aws_smithy_types::timeout::Config>, sleep_impl: Option<std::sync::Arc<dyn aws_smithy_async::rt::sleep::AsyncSleep>>, retry_config: Option<aws_smithy_types::retry::RetryConfig>, endpoint_resolver: Option<::std::sync::Arc<dyn aws_endpoint::ResolveAwsEndpoint>>, region: Option<aws_types::region::Region>, credentials_provider: Option<aws_types::credentials::SharedCredentialsProvider>, } impl Builder { /// Constructs a config builder. pub fn new() -> Self { Self::default() } /// Sets the idempotency token provider to use for service calls that require tokens. pub fn make_token( mut self, make_token: impl Into<crate::idempotency_token::IdempotencyTokenProvider>, ) -> Self { self.make_token = Some(make_token.into()); self } /// Sets the name of the app that is using the client. /// /// This _optional_ name is used to identify the application in the user agent that /// gets sent along with requests. pub fn app_name(mut self, app_name: aws_types::app_name::AppName) -> Self { self.set_app_name(Some(app_name)); self } /// Sets the name of the app that is using the client. /// /// This _optional_ name is used to identify the application in the user agent that /// gets sent along with requests. pub fn set_app_name(&mut self, app_name: Option<aws_types::app_name::AppName>) -> &mut Self { self.app_name = app_name; self } /// Set the timeout_config for the builder /// /// # Examples /// /// ```no_run /// # use std::time::Duration; /// use aws_sdk_fis::config::Config; /// use aws_smithy_types::{timeout, tristate::TriState}; /// /// let api_timeouts = timeout::Api::new() /// .with_call_attempt_timeout(TriState::Set(Duration::from_secs(1))); /// let timeout_config = timeout::Config::new() /// .with_api_timeouts(api_timeouts); /// let config = Config::builder().timeout_config(timeout_config).build(); /// ``` pub fn timeout_config(mut self, timeout_config: aws_smithy_types::timeout::Config) -> Self { self.set_timeout_config(Some(timeout_config)); self } /// Set the timeout_config for the builder /// /// # Examples /// /// ```no_run /// # use std::time::Duration; /// use aws_sdk_fis::config::{Builder, Config}; /// use aws_smithy_types::{timeout, tristate::TriState}; /// /// fn set_request_timeout(builder: &mut Builder) { /// let api_timeouts = timeout::Api::new() /// .with_call_attempt_timeout(TriState::Set(Duration::from_secs(1))); /// let timeout_config = timeout::Config::new() /// .with_api_timeouts(api_timeouts); /// builder.set_timeout_config(Some(timeout_config)); /// } /// /// let mut builder = Config::builder(); /// set_request_timeout(&mut builder); /// let config = builder.build(); /// ``` pub fn set_timeout_config( &mut self, timeout_config: Option<aws_smithy_types::timeout::Config>, ) -> &mut Self { self.timeout_config = timeout_config; self } /// Set the sleep_impl for the builder /// /// # Examples /// /// ```no_run /// use aws_sdk_fis::config::Config; /// use aws_smithy_async::rt::sleep::AsyncSleep; /// use aws_smithy_async::rt::sleep::Sleep; /// /// #[derive(Debug)] /// pub struct ForeverSleep; /// /// impl AsyncSleep for ForeverSleep { /// fn sleep(&self, duration: std::time::Duration) -> Sleep { /// Sleep::new(std::future::pending()) /// } /// } /// /// let sleep_impl = std::sync::Arc::new(ForeverSleep); /// let config = Config::builder().sleep_impl(sleep_impl).build(); /// ``` pub fn sleep_impl( mut self, sleep_impl: std::sync::Arc<dyn aws_smithy_async::rt::sleep::AsyncSleep>, ) -> Self { self.set_sleep_impl(Some(sleep_impl)); self } /// Set the sleep_impl for the builder /// /// # Examples /// /// ```no_run /// use aws_sdk_fis::config::{Builder, Config}; /// use aws_smithy_async::rt::sleep::AsyncSleep; /// use aws_smithy_async::rt::sleep::Sleep; /// /// #[derive(Debug)] /// pub struct ForeverSleep; /// /// impl AsyncSleep for ForeverSleep { /// fn sleep(&self, duration: std::time::Duration) -> Sleep { /// Sleep::new(std::future::pending()) /// } /// } /// /// fn set_never_ending_sleep_impl(builder: &mut Builder) { /// let sleep_impl = std::sync::Arc::new(ForeverSleep); /// builder.set_sleep_impl(Some(sleep_impl)); /// } /// /// let mut builder = Config::builder(); /// set_never_ending_sleep_impl(&mut builder); /// let config = builder.build(); /// ``` pub fn set_sleep_impl( &mut self, sleep_impl: Option<std::sync::Arc<dyn aws_smithy_async::rt::sleep::AsyncSleep>>, ) -> &mut Self { self.sleep_impl = sleep_impl; self } /// Set the retry_config for the builder /// /// # Examples /// ```no_run /// use aws_sdk_fis::config::Config; /// use aws_smithy_types::retry::RetryConfig; /// /// let retry_config = RetryConfig::new().with_max_attempts(5); /// let config = Config::builder().retry_config(retry_config).build(); /// ``` pub fn retry_config(mut self, retry_config: aws_smithy_types::retry::RetryConfig) -> Self { self.set_retry_config(Some(retry_config)); self } /// Set the retry_config for the builder /// /// # Examples /// ```no_run /// use aws_sdk_fis::config::{Builder, Config}; /// use aws_smithy_types::retry::RetryConfig; /// /// fn disable_retries(builder: &mut Builder) { /// let retry_config = RetryConfig::new().with_max_attempts(1); /// builder.set_retry_config(Some(retry_config)); /// } /// /// let mut builder = Config::builder(); /// disable_retries(&mut builder); /// let config = builder.build(); /// ``` pub fn set_retry_config( &mut self, retry_config: Option<aws_smithy_types::retry::RetryConfig>, ) -> &mut Self { self.retry_config = retry_config; self } // TODO(docs): include an example of using a static endpoint /// Sets the endpoint resolver to use when making requests. pub fn endpoint_resolver( mut self, endpoint_resolver: impl aws_endpoint::ResolveAwsEndpoint + 'static, ) -> Self { self.endpoint_resolver = Some(::std::sync::Arc::new(endpoint_resolver)); self } /// Sets the AWS region to use when making requests. /// /// # Examples /// ```no_run /// use aws_types::region::Region; /// use aws_sdk_fis::config::{Builder, Config}; /// /// let config = aws_sdk_fis::Config::builder() /// .region(Region::new("us-east-1")) /// .build(); /// ``` pub fn region(mut self, region: impl Into<Option<aws_types::region::Region>>) -> Self { self.region = region.into(); self } /// Sets the credentials provider for this service pub fn credentials_provider( mut self, credentials_provider: impl aws_types::credentials::ProvideCredentials + 'static, ) -> Self { self.credentials_provider = Some(aws_types::credentials::SharedCredentialsProvider::new( credentials_provider, )); self } /// Sets the credentials provider for this service pub fn set_credentials_provider( &mut self, credentials_provider: Option<aws_types::credentials::SharedCredentialsProvider>, ) -> &mut Self { self.credentials_provider = credentials_provider; self } /// Builds a [`Config`]. pub fn build(self) -> Config { Config { make_token: self .make_token .unwrap_or_else(crate::idempotency_token::default_provider), app_name: self.app_name, timeout_config: self.timeout_config, sleep_impl: self.sleep_impl, retry_config: self.retry_config, endpoint_resolver: self .endpoint_resolver .unwrap_or_else(|| ::std::sync::Arc::new(crate::aws_endpoint::endpoint_resolver())), region: self.region, credentials_provider: self.credentials_provider.unwrap_or_else(|| { aws_types::credentials::SharedCredentialsProvider::new( crate::no_credentials::NoCredentials, ) }), } } } impl From<&aws_types::sdk_config::SdkConfig> for Builder { fn from(input: &aws_types::sdk_config::SdkConfig) -> Self { let mut builder = Builder::default(); builder = builder.region(input.region().cloned()); builder.set_retry_config(input.retry_config().cloned()); builder.set_timeout_config(input.timeout_config().cloned()); builder.set_sleep_impl(input.sleep_impl().clone()); builder.set_credentials_provider(input.credentials_provider().cloned()); builder.set_app_name(input.app_name().cloned()); builder } } impl From<&aws_types::sdk_config::SdkConfig> for Config { fn from(sdk_config: &aws_types::sdk_config::SdkConfig) -> Self { Builder::from(sdk_config).build() } }

64a17ba220323d3b8c4eaff835322c9110b46cee

// Copyright (C) 2019 Boyu Yang // // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your // option. This file may not be copied, modified, or distributed // except according to those terms. use std::{ convert::{AsMut, AsRef}, mem, ptr, }; use balloons::{FixedHash, FixedUint, HashAlgo, Result}; pub use balloons::BalloonBuilder; #[derive(Debug)] pub struct U256([u64; 4]); #[derive(Debug)] pub struct H256([u8; 32]); const BYTE_BITS: usize = 8; impl U256 { #[inline] fn bytes_size() -> usize { 32 } const fn unit_bytes_size() -> usize { 64 / BYTE_BITS } } impl FixedUint for U256 { fn from_slice(slice: &[u8]) -> Self { let bytes_size = Self::bytes_size(); assert!(slice.len() >= bytes_size); let inner = unsafe { let mut inner: [u64; 4] = mem::uninitialized(); let dst_ptr = inner.as_mut_ptr() as *mut u8; let src_ptr = slice.as_ptr(); if cfg!(target_endian = "little") { let unit_bytes_size = Self::unit_bytes_size(); let dst_ptr = dst_ptr.add(bytes_size); let src_ptr = src_ptr.offset(-(unit_bytes_size as isize)); let mut idx = bytes_size; loop { let part_dst_ptr = dst_ptr.offset(-(idx as isize)); let part_src_ptr = src_ptr.add(idx + unit_bytes_size - 1); let mut part_idx = unit_bytes_size as isize - 1; loop { *part_dst_ptr.offset(part_idx) = *part_src_ptr.offset(-part_idx); if part_idx == 0 { break; } else { part_idx -= 1; } } if idx == unit_bytes_size { break; } idx -= unit_bytes_size; } } else { ptr::copy_nonoverlapping(src_ptr, dst_ptr, bytes_size); } inner }; U256(inner) } fn modulo(&self, divisor: u64) -> u64 { let m_2_64 = { let x = (!0) % divisor + 1; if x == divisor { 0 } else { u128::from(x) } }; let tmp = u128::from(self.0[3] % divisor); // Suppose: // N = 2^64 // Since: // tmp <= N-2 // m_2_64 <= N-2 // self.0[idx] <= N-1 // So: // tmp * m_2_64 + self.0[idx] // <= (N-2) * (N-2) + N - 1 // = N^2 - 3 * (N - 1) // < N^2 let tmp = (tmp * m_2_64 + u128::from(self.0[2])) % u128::from(divisor); let tmp = (tmp * m_2_64 + u128::from(self.0[1])) % u128::from(divisor); let tmp = (tmp * m_2_64 + u128::from(self.0[0])) % u128::from(divisor); tmp as u64 } } impl AsRef<[u8]> for H256 { fn as_ref(&self) -> &[u8] { &self.0[..] } } impl AsMut<[u8]> for H256 { fn as_mut(&mut self) -> &mut [u8] { &mut self.0[..] } } impl FixedHash<U256> for H256 {} pub struct Blake2b256 { inner: blake2b::Blake2b, } impl HashAlgo<U256, H256> for Blake2b256 { fn create() -> Self { let key = b"balloon-blake2b256"; let inner = blake2b::Blake2bBuilder::new(256 / BYTE_BITS) .key(key) .build(); Self { inner } } fn update<T>(&mut self, data: T) -> Result<()> where T: AsRef<[u8]>, { self.inner.update(data.as_ref()); Ok(()) } fn finalize(self) -> Result<H256> { let mut inner: [u8; 32] = unsafe { mem::uninitialized() }; self.inner.finalize(&mut inner); Ok(H256(inner)) } fn finalize_into(self, dst: &mut H256) -> Result<()> { self.inner.finalize(dst.as_mut()); Ok(()) } } #[cfg(test)] mod tests { use crate::kernel::{FixedUint, U256}; use slices::u8_slice; #[test] fn u256_from_slice() { let slice = u8_slice!("0x123456789abcdef0_13579bdf2468ace0_1122334455667788_99aabbccddeeff00"); let ffu = U256::from_slice(slice); assert_eq!(ffu.0[0], 0x99aa_bbcc_ddee_ff00); assert_eq!(ffu.0[1], 0x1122_3344_5566_7788); assert_eq!(ffu.0[2], 0x1357_9bdf_2468_ace0); assert_eq!(ffu.0[3], 0x1234_5678_9abc_def0); } #[test] fn u256_modulo() { let slice = u8_slice!("0x123456789abcdef0_13579bdf2468ace0_1122334455667788_99aabbccddeeff00"); let ffu = U256::from_slice(slice); assert_eq!(ffu.modulo(!0), 0xd058_e168_f27b_0258); } }

fc3a2731089eb406381f6ff37add7f4555b02f87

// edition:2018 // aux-build: extern_crate.rs #![crate_name = "foo"] extern crate extern_crate; // @has foo/fn.extern_fn.html '//pre[@class="rust fn"]' \ // 'pub fn extern_fn<const N: usize>() -> impl Iterator<Item = [u8; N]>' pub use extern_crate::extern_fn; // @has foo/struct.ExternTy.html '//pre[@class="rust struct"]' \ // 'pub struct ExternTy<const N: usize> {' pub use extern_crate::ExternTy; // @has foo/type.TyAlias.html '//pre[@class="rust typedef"]' \ // 'type TyAlias<const N: usize> = ExternTy<N>;' pub use extern_crate::TyAlias; // @has foo/trait.WTrait.html '//pre[@class="rust trait"]' \ // 'pub trait WTrait<const N: usize, const M: usize>' // @has - '//*[@class="rust trait"]' 'fn hey<const P: usize>() -> usize' pub use extern_crate::WTrait; // @has foo/trait.Trait.html '//pre[@class="rust trait"]' \ // 'pub trait Trait<const N: usize>' // @has - '//*[@id="impl-Trait%3C1_usize%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<1_usize> for u8' // @has - '//*[@id="impl-Trait%3C2_usize%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<2_usize> for u8' // @has - '//*[@id="impl-Trait%3C{1%20+%202}%3E-for-u8"]//h3[@class="code-header in-band"]' 'impl Trait<{1 + 2}> for u8' // @has - '//*[@id="impl-Trait%3CN%3E-for-%5Bu8%3B%20N%5D"]//h3[@class="code-header in-band"]' \ // 'impl<const N: usize> Trait<N> for [u8; N]' pub trait Trait<const N: usize> {} impl Trait<1> for u8 {} impl Trait<2> for u8 {} impl Trait<{1 + 2}> for u8 {} impl<const N: usize> Trait<N> for [u8; N] {} // @has foo/struct.Foo.html '//pre[@class="rust struct"]' \ // 'pub struct Foo<const N: usize> where u8: Trait<N>' pub struct Foo<const N: usize> where u8: Trait<N>; // @has foo/struct.Bar.html '//pre[@class="rust struct"]' 'pub struct Bar<T, const N: usize>(_)' pub struct Bar<T, const N: usize>([T; N]); // @has foo/struct.Foo.html '//*[@id="impl"]/h3[@class="code-header in-band"]' 'impl<const M: usize> Foo<M> where u8: Trait<M>' impl<const M: usize> Foo<M> where u8: Trait<M> { // @has - '//*[@id="associatedconstant.FOO_ASSOC"]' 'pub const FOO_ASSOC: usize' pub const FOO_ASSOC: usize = M + 13; // @has - '//*[@id="method.hey"]' 'pub fn hey<const N: usize>(&self) -> Bar<u8, N>' pub fn hey<const N: usize>(&self) -> Bar<u8, N> { Bar([0; N]) } } // @has foo/struct.Bar.html '//*[@id="impl"]/h3[@class="code-header in-band"]' 'impl<const M: usize> Bar<u8, M>' impl<const M: usize> Bar<u8, M> { // @has - '//*[@id="method.hey"]' \ // 'pub fn hey<const N: usize>(&self) -> Foo<N> where u8: Trait<N>' pub fn hey<const N: usize>(&self) -> Foo<N> where u8: Trait<N> { Foo } } // @has foo/fn.test.html '//pre[@class="rust fn"]' \ // 'pub fn test<const N: usize>() -> impl Trait<N> where u8: Trait<N>' pub fn test<const N: usize>() -> impl Trait<N> where u8: Trait<N> { 2u8 } // @has foo/fn.a_sink.html '//pre[@class="rust fn"]' \ // 'pub async fn a_sink<const N: usize>(v: [u8; N]) -> impl Trait<N>' pub async fn a_sink<const N: usize>(v: [u8; N]) -> impl Trait<N> { v } // @has foo/fn.b_sink.html '//pre[@class="rust fn"]' \ // 'pub async fn b_sink<const N: usize>(_: impl Trait<N>)' pub async fn b_sink<const N: usize>(_: impl Trait<N>) {} // @has foo/fn.concrete.html '//pre[@class="rust fn"]' \ // 'pub fn concrete() -> [u8; 22]' pub fn concrete() -> [u8; 3 + std::mem::size_of::<u64>() << 1] { Default::default() } // @has foo/type.Faz.html '//pre[@class="rust typedef"]' \ // 'type Faz<const N: usize> = [u8; N];' pub type Faz<const N: usize> = [u8; N]; // @has foo/type.Fiz.html '//pre[@class="rust typedef"]' \ // 'type Fiz<const N: usize> = [[u8; N]; 48];' pub type Fiz<const N: usize> = [[u8; N]; 3 << 4]; macro_rules! define_me { ($t:tt<$q:tt>) => { pub struct $t<const $q: usize>([u8; $q]); } } // @has foo/struct.Foz.html '//pre[@class="rust struct"]' \ // 'pub struct Foz<const N: usize>(_);' define_me!(Foz<N>); trait Q { const ASSOC: usize; } impl<const N: usize> Q for [u8; N] { const ASSOC: usize = N; } // @has foo/fn.q_user.html '//pre[@class="rust fn"]' \ // 'pub fn q_user() -> [u8; 13]' pub fn q_user() -> [u8; <[u8; 13] as Q>::ASSOC] { [0; <[u8; 13] as Q>::ASSOC] } // @has foo/union.Union.html '//pre[@class="rust union"]' \ // 'pub union Union<const N: usize>' pub union Union<const N: usize> { // @has - //pre "pub arr: [u8; N]" pub arr: [u8; N], // @has - //pre "pub another_arr: [(); N]" pub another_arr: [(); N], } // @has foo/enum.Enum.html '//pre[@class="rust enum"]' \ // 'pub enum Enum<const N: usize>' pub enum Enum<const N: usize> { // @has - //pre "Variant([u8; N])" Variant([u8; N]), // @has - //pre "EmptyVariant" EmptyVariant, }

ace23c086a4fb911f7395398020f67b740f0e8dd

#![deny( warnings, missing_docs, missing_debug_implementations, missing_copy_implementations, trivial_casts, trivial_numeric_casts, unstable_features, unused_import_braces )] //! node macro facilitates users of duid to use html-like syntax //! for building view of web app components extern crate proc_macro; mod node; /// Quasi-quoting macro for building duid Nodes. /// /// The macro allows for specifying html-like elements and attributes, and /// supports advanced interpolation and looping. /// /// /// # Elements /// /// Both open elements with a closing tag, and elements which are immediately /// closed are supported: /// /// ```rust /// use duid::{node,Node}; /// /// let _: Node<()> = rsx!(<input type="button" />); /// let _: Node<()> = rsx!(<h1>"A title"</h1>); /// ``` /// /// # Attributes /// /// Attributes must be valid Rust identifiers. These are translated to /// `kebab-case` and trimmed. So `x_data_` would be translated to `x-data`. /// /// Any sort of literal (like `true` or `42u32`) is supported as an attribute /// argument. /// /// ```rust /// use duid::{node,Node}; /// /// let _: Node<()> = rsx!(<input x_data_="my data" />); /// let _: Node<()> = rsx!(<input x_data_int_=42u32 x_data_bool_=true />); /// ``` /// /// Attribute values can be interpolated. These expressions must produce /// an attribute that can be converted into a [Value]. /// /// ```rust /// use duid::{node,Node}; /// /// struct Model { /// value: String, /// } /// /// impl Model { /// pub fn view(&self) -> Node<()> { /// rsx!(<input value={self.value.clone()} />) /// } /// } /// ``` /// /// Whole attributes can also be generated. These expressions must produce an /// [Attribute]. /// /// ```rust /// use duid::{node,Node,html::attributes::classes_flag}; /// /// struct Model { /// editing: bool, /// completed: bool, /// } /// /// impl Model { /// pub fn view(&self) -> Node<()> { /// rsx!(<input {{classes_flag([ /// ("todo", true), /// ("editing", self.editing), /// ("completed", self.completed), /// ])}} />) /// } /// } /// ``` /// /// Finally, we also support empty attributes. /// /// ```rust /// use duid::{node,Node}; /// /// let _: Node<()> = rsx!(<button disabled />); /// ``` /// /// [Value]: https://docs.rs/duid/0/duid/html/attributes/enum.Value.html /// [Attribute]: https://docs.rs/duid/0/duid/type.Attribute.html /// /// # Event handlers /// /// Event handlers are special attributes. Any attribute that starts with `on_` /// will be matched with event handlers available in [duid::dom::events]. /// /// ```rust /// use duid::{node,Node, /// events::{InputEvent,KeyboardEvent}, /// }; /// /// enum Msg { /// Update(String), /// Add, /// Nope, /// } /// /// struct Model { /// value: String, /// } /// /// impl Model { /// fn view(&self) -> Node<Msg> { /// rsx! { /// <input /// class="new-todo" /// id="new-todo" /// placeholder="What needs to be done?" /// value={self.value.to_string()} /// on_input={|v: InputEvent| Msg::Update(v.value.to_string())} /// on_keypress={|event: KeyboardEvent| { /// if event.key() == "Enter" { /// Msg::Add /// } else { /// Msg::Nope /// } /// }} /> /// } /// } /// } /// ``` /// /// [duid::dom::events]: https://docs.rs/duid/0/duid/dom/events/index.html /// /// # Loops /// /// Loops are supported through a special construct. They look and behave like /// regular Rust loops, except that whatever the loop body evaluates to will be /// appended to the child of a node. /// /// The loop body must evaluate to a [Node]. /// /// ```rust /// use duid::{node,Node,html::text}; /// /// struct Model { /// items: Vec<String>, /// } /// /// impl Model { /// pub fn view(&self) -> Node<()> { /// rsx! { /// <ul> /// {for item in &self.items { /// text(item) /// }} /// </ul> /// } /// } /// } /// ``` /// /// /// Note: `rsx!` macro is used since it is not an html tag /// while most other framework uses `html!` macro, this prevents /// the library to have collision with the `html` tag, when used as tag macro #[proc_macro] pub fn rsx(input: proc_macro::TokenStream) -> proc_macro::TokenStream { node::to_token_stream(input).into() }

d7b7fc908528e57b852c9be9b861aed32e395295

//! Utilities for inspecting unicode strings. //! //! # Usage //! Use [DecodedString](decoding/struct.DecodedString.html) to wrap a sequence of bytes and a [rust-encoding](https://lifthrasiir.github.io/rust-encoding/) encoding. //! ``` //! let bytes = [0x41, 0x42, 0x43]; //! let string = string_inspector::DecodedString::decode(&bytes, encoding::all::ISO_8859_2).unwrap(); //! //! assert_eq!("ABC", string.to_string()); //! assert_eq!("\u{1b}[32mA \u{1b}[0m\u{1b}[34mB \u{1b}[0m\u{1b}[32mC \u{1b}[0m", string.format_characters()); //! assert_eq!("\u{1b}[32m41 \u{1b}[0m\u{1b}[34m42 \u{1b}[0m\u{1b}[32m43 \u{1b}[0m", string.format_bytes()); //! ``` //! //! [DecodedString](decoding/struct.DecodedString.html) contains a sequence of [Atoms](decoding/enum.Atom.html). //! Atoms represent either a valid character or an invalid code unit in the original string. //! ``` //! # let bytes = [0x41, 0x42, 0x43]; //! # let string = string_inspector::DecodedString::decode(&bytes, encoding::all::ISO_8859_2).unwrap(); //! assert_eq!(3, string.atoms.len()); //! ``` //! //! Atoms can be easily converted to their character representation or byte representation: //! ``` //! # let bytes = [0x41, 0x42, 0x43]; //! # let string = string_inspector::DecodedString::decode(&bytes, encoding::all::ISO_8859_2).unwrap(); //! assert_eq!('A', string.atoms[0].to_char()); //! assert_eq!(vec![0x41], string.atoms[0].to_bytes()); //! ``` //! //! The unicode replacement character � (U+FFFD) is used if the input contains invalid code units: //! ``` //! let bytes = [0x41, 0x42, 0x43, 0xC0]; //! let string = string_inspector::DecodedString::decode(&bytes, encoding::all::UTF_8).unwrap(); //! //! assert_eq!('\u{FFFD}', string.atoms[3].to_char()); //! assert_eq!(vec![0xC0], string.atoms[3].to_bytes()); //! ``` pub mod cli; pub mod decoding; pub use decoding::Atom; pub use decoding::DecodedCharacter; pub use decoding::DecodedString;

cce2a16297a1c6f3038a59503a79530a070c936f

// Copyright 2019 TiKV Project Authors. Licensed under Apache-2.0. use std::sync::Arc; use engine_traits::{self, Error, Result}; use rocksdb::{DBIterator, SeekKey as RawSeekKey, DB}; // FIXME: Would prefer using &DB instead of Arc<DB>. As elsewhere in // this crate, it would require generic associated types. pub struct RocksEngineIterator(DBIterator<Arc<DB>>); impl RocksEngineIterator { pub fn from_raw(iter: DBIterator<Arc<DB>>) -> RocksEngineIterator { RocksEngineIterator(iter) } } impl engine_traits::Iterator for RocksEngineIterator { fn seek(&mut self, key: engine_traits::SeekKey) -> bool { let k: RocksSeekKey = key.into(); self.0.seek(k.into_raw()) } fn seek_for_prev(&mut self, key: engine_traits::SeekKey) -> bool { let k: RocksSeekKey = key.into(); self.0.seek_for_prev(k.into_raw()) } fn prev(&mut self) -> bool { self.0.prev() } fn next(&mut self) -> bool { self.0.next() } fn key(&self) -> &[u8] { self.0.key() } fn value(&self) -> &[u8] { self.0.value() } fn valid(&self) -> bool { self.0.valid() } fn status(&self) -> Result<()> { self.0.status().map_err(Error::Engine) } } pub struct RocksSeekKey<'a>(RawSeekKey<'a>); impl<'a> RocksSeekKey<'a> { pub fn into_raw(self) -> RawSeekKey<'a> { self.0 } } impl<'a> From<engine_traits::SeekKey<'a>> for RocksSeekKey<'a> { fn from(key: engine_traits::SeekKey<'a>) -> Self { let k = match key { engine_traits::SeekKey::Start => RawSeekKey::Start, engine_traits::SeekKey::End => RawSeekKey::End, engine_traits::SeekKey::Key(k) => RawSeekKey::Key(k), }; RocksSeekKey(k) } }

09d646681e2bdf18b0555a33c39f03eedc0eb233

// Copyright (c) SimpleStaking, Viable Systems and Tezedge Contributors // SPDX-License-Identifier: MIT //! This channel is used to transmit p2p networking messages between actors. use std::net::SocketAddr; use std::sync::Arc; use tezedge_actor_system::actors::*; use tezos_messages::p2p::encoding::metadata::MetadataMessage; use tezos_messages::p2p::encoding::peer::PeerMessageResponse; use crate::PeerId; use tezos_messages::p2p::encoding::version::NetworkVersion; /// We have received message from another peer #[derive(Clone, Debug)] pub struct PeerMessageReceived { pub peer_address: SocketAddr, pub message: Arc<PeerMessageResponse>, } /// Network channel event message. #[derive(Clone, Debug)] pub enum NetworkChannelMsg { /// Events PeerBootstrapped(Arc<PeerId>, MetadataMessage, Arc<NetworkVersion>), PeerDisconnected(SocketAddr), PeerMessageReceived(PeerMessageReceived), } /// Represents various topics pub enum NetworkChannelTopic { /// Events generated from networking layer NetworkEvents, /// Commands generated from other layers for network layer NetworkCommands, } impl From<NetworkChannelTopic> for Topic { fn from(evt: NetworkChannelTopic) -> Self { match evt { NetworkChannelTopic::NetworkEvents => Topic::from("network.events"), NetworkChannelTopic::NetworkCommands => Topic::from("network.commands"), } } } /// This struct represents network bus where all network events must be published. pub struct NetworkChannel(Channel<NetworkChannelMsg>); pub type NetworkChannelRef = ChannelRef<NetworkChannelMsg>; impl NetworkChannel { pub fn actor(fact: &impl ActorRefFactory) -> Result<NetworkChannelRef, CreateError> { fact.actor_of::<NetworkChannel>(NetworkChannel::name()) } fn name() -> &'static str { "network-event-channel" } } type ChannelCtx<Msg> = Context<ChannelMsg<Msg>>; impl ActorFactory for NetworkChannel { fn create() -> Self { NetworkChannel(Channel::default()) } } impl Actor for NetworkChannel { type Msg = ChannelMsg<NetworkChannelMsg>; fn pre_start(&mut self, ctx: &ChannelCtx<NetworkChannelMsg>) { self.0.pre_start(ctx); } fn recv( &mut self, ctx: &ChannelCtx<NetworkChannelMsg>, msg: ChannelMsg<NetworkChannelMsg>, sender: Sender, ) { self.0.receive(ctx, msg, sender); } }

0af5fa1e7701358ace38a997b333bb80ec4c2879

use std::collections::HashMap; use std::io; fn main() { let mut ids = Vec::new(); loop { let mut buf = String::new(); match io::stdin().read_line(&mut buf) { Ok(_) => { if buf == "\n" { break; } ids.push(buf) } Err(error) => println!("error: {}", error), } } let mut twices = 0; let mut thrices = 0; for id in ids { let mut counts: HashMap<char, i32> = HashMap::new(); for x in id.chars() { let val = counts.entry(x).or_insert(0); *val += 1; } for (_, v) in &counts { match v { 2 => { twices += 1; break; } _ => (), } } for (_, v) in &counts { match v { 3 => { thrices += 1; break; } _ => (), } } } println!("Result: {}", twices * thrices) }

d5cfc9b6d6b6c06e0fd69ccaa7fd50a8a8e7f73d

extern crate specs; use specs::prelude::*; use super::{Attributes, Skills, WantsToMelee, Name, HungerClock, HungerState, Pools, skill_bonus, Skill, Equipped, Weapon, EquipmentSlot, WeaponAttribute, Wearable, NaturalAttackDefense, effects::*}; pub struct MeleeCombatSystem {} impl<'a> System<'a> for MeleeCombatSystem { #[allow(clippy::type_complexity)] type SystemData = ( Entities<'a>, WriteStorage<'a, WantsToMelee>, ReadStorage<'a, Name>, ReadStorage<'a, Attributes>, ReadStorage<'a, Skills>, ReadStorage<'a, HungerClock>, ReadStorage<'a, Pools>, WriteExpect<'a, rltk::RandomNumberGenerator>, ReadStorage<'a, Equipped>, ReadStorage<'a, Weapon>, ReadStorage<'a, Wearable>, ReadStorage<'a, NaturalAttackDefense> ); fn run(&mut self, data : Self::SystemData) { let (entities, mut wants_melee, names, attributes, skills, hunger_clock, pools, mut rng, equipped_items, weapon, wearables, natural) = data; for (entity, wants_melee, name, attacker_attributes, attacker_skills, attacker_pools) in (&entities, &wants_melee, &names, &attributes, &skills, &pools).join() { // Are the attacker and defender alive? Only attack if they are let target_pools = pools.get(wants_melee.target).unwrap(); let target_attributes = attributes.get(wants_melee.target).unwrap(); let target_skills = skills.get(wants_melee.target).unwrap(); if attacker_pools.hit_points.current > 0 && target_pools.hit_points.current > 0 { let target_name = names.get(wants_melee.target).unwrap(); // Define the basic unarmed attack - overridden by wielding check below if a weapon is equipped let mut weapon_info = Weapon{ range: None, attribute : WeaponAttribute::Might, hit_bonus : 0, damage_n_dice : 1, damage_die_type : 4, damage_bonus : 0, proc_chance : None, proc_target : None }; if let Some(nat) = natural.get(entity) { if !nat.attacks.is_empty() { let attack_index = if nat.attacks.len()==1 { 0 } else { rng.roll_dice(1, nat.attacks.len() as i32) as usize -1 }; weapon_info.hit_bonus = nat.attacks[attack_index].hit_bonus; weapon_info.damage_n_dice = nat.attacks[attack_index].damage_n_dice; weapon_info.damage_die_type = nat.attacks[attack_index].damage_die_type; weapon_info.damage_bonus = nat.attacks[attack_index].damage_bonus; } } let mut weapon_entity : Option<Entity> = None; for (weaponentity,wielded,melee) in (&entities, &equipped_items, &weapon).join() { if wielded.owner == entity && wielded.slot == EquipmentSlot::Melee { weapon_info = melee.clone(); weapon_entity = Some(weaponentity); } } let natural_roll = rng.roll_dice(1, 20); let attribute_hit_bonus = if weapon_info.attribute == WeaponAttribute::Might { attacker_attributes.might.bonus } else { attacker_attributes.quickness.bonus}; let skill_hit_bonus = skill_bonus(Skill::Melee, &*attacker_skills); let weapon_hit_bonus = weapon_info.hit_bonus; let mut status_hit_bonus = 0; if let Some(hc) = hunger_clock.get(entity) { // Well-Fed grants +1 if hc.state == HungerState::WellFed { status_hit_bonus += 1; } } let modified_hit_roll = natural_roll + attribute_hit_bonus + skill_hit_bonus + weapon_hit_bonus + status_hit_bonus; //println!("Natural roll: {}", natural_roll); //println!("Modified hit roll: {}", modified_hit_roll); let mut armor_item_bonus_f = 0.0; for (wielded,armor) in (&equipped_items, &wearables).join() { if wielded.owner == wants_melee.target { armor_item_bonus_f += armor.armor_class; } } let base_armor_class = match natural.get(wants_melee.target) { None => 10, Some(nat) => nat.armor_class.unwrap_or(10) }; let armor_quickness_bonus = target_attributes.quickness.bonus; let armor_skill_bonus = skill_bonus(Skill::Defense, &*target_skills); let armor_item_bonus = armor_item_bonus_f as i32; let armor_class = base_armor_class + armor_quickness_bonus + armor_skill_bonus + armor_item_bonus; //println!("Armor class: {}", armor_class); if natural_roll != 1 && (natural_roll == 20 || modified_hit_roll > armor_class) { // Target hit! Until we support weapons, we're going with 1d4 let base_damage = rng.roll_dice(weapon_info.damage_n_dice, weapon_info.damage_die_type); let attr_damage_bonus = attacker_attributes.might.bonus; let skill_damage_bonus = skill_bonus(Skill::Melee, &*attacker_skills); let weapon_damage_bonus = weapon_info.damage_bonus; let damage = i32::max(0, base_damage + attr_damage_bonus + skill_damage_bonus + weapon_damage_bonus); /*println!("Damage: {} + {}attr + {}skill + {}weapon = {}", base_damage, attr_damage_bonus, skill_damage_bonus, weapon_damage_bonus, damage );*/ add_effect( Some(entity), EffectType::Damage{ amount: damage }, Targets::Single{ target: wants_melee.target } ); crate::gamelog::Logger::new() .npc_name(&name.name) .append("hits") .npc_name(&target_name.name) .append("for") .damage(damage) .append("hp.") .log(); // Proc effects if let Some(chance) = &weapon_info.proc_chance { let roll = rng.roll_dice(1, 100); //println!("Roll {}, Chance {}", roll, chance); if roll <= (chance * 100.0) as i32 { //println!("Proc!"); let effect_target = if weapon_info.proc_target.unwrap() == "Self" { Targets::Single{ target: entity } } else { Targets::Single { target : wants_melee.target } }; add_effect( Some(entity), EffectType::ItemUse{ item: weapon_entity.unwrap() }, effect_target ) } } } else if natural_roll == 1 { // Natural 1 miss crate::gamelog::Logger::new() .color(rltk::CYAN) .append(&name.name) .color(rltk::WHITE) .append("considers attacking") .color(rltk::CYAN) .append(&target_name.name) .color(rltk::WHITE) .append("but misjudges the timing!") .log(); add_effect( None, EffectType::Particle{ glyph: rltk::to_cp437('‼'), fg: rltk::RGB::named(rltk::BLUE), bg : rltk::RGB::named(rltk::BLACK), lifespan: 200.0 }, Targets::Single{ target: wants_melee.target } ); } else { // Miss crate::gamelog::Logger::new() .color(rltk::CYAN) .append(&name.name) .color(rltk::WHITE) .append("attacks") .color(rltk::CYAN) .append(&target_name.name) .color(rltk::WHITE) .append("but can't connect.") .log(); add_effect( None, EffectType::Particle{ glyph: rltk::to_cp437('‼'), fg: rltk::RGB::named(rltk::CYAN), bg : rltk::RGB::named(rltk::BLACK), lifespan: 200.0 }, Targets::Single{ target: wants_melee.target } ); } } } wants_melee.clear(); } }

f95229d07750204f27e18816b1989118f4c20ab2

#[macro_use] extern crate plaster; #[macro_use] extern crate wasm_bindgen_test; wasm_bindgen_test_configure!(run_in_browser); use plaster::prelude::*; use plaster::virtual_dom::VNode; struct Comp; impl Component for Comp { type Message = (); type Properties = (); fn create(_: Self::Properties, _: ComponentLink<Self>) -> Self { Comp } fn update(&mut self, _: Self::Message) -> ShouldRender { unimplemented!(); } } impl Renderable<Comp> for Comp { fn view(&self) -> Html<Self> { unimplemented!(); } } #[wasm_bindgen_test] fn text_as_root() { let _: VNode<Comp> = html! { { "Text Node As Root" } }; }

bbea84529fd7fbc9815bef2d33f064c7047dab76

#[macro_use] extern crate serde_json; #[cfg(test)] mod tests { use serde_json::Value; use serde_pickle as pickle; use std::fs::File; use toml; #[test] fn test_dynamic_json() { let j = r#"{ "userid": 103609, "verified": true, "friendly_name": "Jason", "access_privileges": [ "user", "admin" ] }"#; let parsed: Value = serde_json::from_str(j).unwrap(); let expected = json!({ "userid": 103609, "verified": true, "friendly_name": "Jason", "access_privileges": [ "user", "admin" ] }); assert_eq!(parsed, expected); assert_eq!(parsed["userid"], 103609); assert_eq!(parsed["verified"], true); assert_eq!(parsed["friendly_name"], "Jason"); assert_eq!(parsed["access_privileges"][0], "user"); assert_eq!(parsed["access_privileges"][1], "admin"); assert_eq!(parsed["access_privileges"][2], Value::Null); assert_eq!(parsed["not-available"], Value::Null); } #[test] fn test_dynamic_pickle() { let parsed: Value = { let data = File::open("user.pkl").expect("Did you run create_pickle.py?"); pickle::from_reader(&data).unwrap() }; let expected = json!({ "userid": 103609, "verified": true, "friendly_name": "Jason", "access_privileges": [ "user", "admin" ] }); assert_eq!(parsed, expected); assert_eq!(parsed["userid"], 103609); assert_eq!(parsed["verified"], true); assert_eq!(parsed["friendly_name"], "Jason"); assert_eq!(parsed["access_privileges"][0], "user"); assert_eq!(parsed["access_privileges"][1], "admin"); assert_eq!(parsed["access_privileges"][2], Value::Null); assert_eq!(parsed["not-available"], Value::Null); } #[test] fn test_dynamic_toml() { let t = r#" [[user]] userid = 103609 verified = true friendly_name = "Jason" access_privileges = [ "user", "admin" ] "#; let parsed: Value = toml::de::from_str(t).unwrap(); let expected = json!({ "user": [ { "userid": 103609, "verified": true, "friendly_name": "Jason", "access_privileges": [ "user", "admin" ] } ] }); assert_eq!(parsed, expected); let first_user = &parsed["user"][0]; assert_eq!(first_user["userid"], 103609); assert_eq!(first_user["verified"], true); assert_eq!(first_user["friendly_name"], "Jason"); assert_eq!(first_user["access_privileges"][0], "user"); assert_eq!(first_user["access_privileges"][1], "admin"); assert_eq!(first_user["access_privileges"][2], Value::Null); assert_eq!(first_user["not-available"], Value::Null); } }

5b1ae167ce31543850a1475dcf5f9379536baaa6

// http://rust-lang.org/COPYRIGHT. // // #[test_case] is used by custom test authors to mark tests // When building for test, it needs to make the item public and gensym the name // Otherwise, we'll omit the item. This behavior means that any item annotated // with #[test_case] is never addressable. // // We mark item with an inert attribute "rustc_test_marker" which the test generation // logic will pick up on. use syntax::ext::base::*; use syntax::ext::build::AstBuilder; use syntax::ext::hygiene::{Mark, SyntaxContext}; use syntax::ast; use syntax::source_map::respan; use syntax::symbol::{Symbol, sym}; use syntax_pos::{DUMMY_SP, Span}; use syntax::source_map::{ExpnInfo, MacroAttribute}; use syntax::feature_gate; pub fn expand( ecx: &mut ExtCtxt<'_>, attr_sp: Span, _meta_item: &ast::MetaItem, anno_item: Annotatable ) -> Vec<Annotatable> { if !ecx.ecfg.enable_custom_test_frameworks() { feature_gate::emit_feature_err(&ecx.parse_sess, sym::custom_test_frameworks, attr_sp, feature_gate::GateIssue::Language, feature_gate::EXPLAIN_CUSTOM_TEST_FRAMEWORKS); } if !ecx.ecfg.should_test { return vec![]; } let sp = { let mark = Mark::fresh(Mark::root()); mark.set_expn_info(ExpnInfo { call_site: DUMMY_SP, def_site: None, format: MacroAttribute(Symbol::intern("test_case")), allow_internal_unstable: Some(vec![ Symbol::intern("test"), Symbol::intern("rustc_attrs"), ].into()), allow_internal_unsafe: false, local_inner_macros: false, edition: ecx.parse_sess.edition, }); attr_sp.with_ctxt(SyntaxContext::empty().apply_mark(mark)) }; let mut item = anno_item.expect_item(); item = item.map(|mut item| { item.vis = respan(item.vis.span, ast::VisibilityKind::Public); item.ident = item.ident.gensym(); item.attrs.push( ecx.attribute(sp, ecx.meta_word(sp, Symbol::intern("rustc_test_marker"))) ); item }); return vec![Annotatable::Item(item)] }

908e4acb8d96dbc36d780fea8684b2ae352b9f40

use shell2batch; #[test] fn convert() { let script = shell2batch::convert( r#" set -x export FILE1=file1 export FILE2=file2 #this is some test code cp ${FILE1} $FILE2 cp -r ${DIR1} $DIR2 #another mv file2 file3 export MY_DIR=directory #flags are supported rm -Rf ${MY_DIR} unset MY_DIR touch ./file3 #provide custom windows command for specific shell command complex_bash_command --flag1 value2 # shell2batch: complex_windows_command /flag10 windows_value "#, ); assert_eq!( script, r#" @echo on set FILE1=file1 set FILE2=file2 @REM this is some test code copy %FILE1% %FILE2% xcopy /E %DIR1% %DIR2% @REM another move file2 file3 set MY_DIR=directory @REM flags are supported rmdir /S /Q %MY_DIR% set MY_DIR= copy /B .\file3+,, .\file3 @REM provide custom windows command for specific shell command complex_windows_command /flag10 windows_value "# ); }

2f71230d5729faa26ee6d5d3bd9c3e430b301d0d

mod file; mod misc; mod projfs; mod result; mod windows; mod zip; pub use crate::{ file::OnexFile, misc::{OffsetSeeker, ReadSeek, SeekableVec}, projfs::ProjfsProvider, result::{Error, Result}, windows::{get_temp_dir, raw_str_to_os_string, to_u16_vec}, zip::{extract_zip, list_zip_contents, zip_app_dir}, };

f53d40f5f8f89ff90b4da9f09e3c9e8d6b60f861

use crate::{ ast, types::{DefaultAttribute, FieldWithArgs, ScalarField, ScalarType, SortOrder}, walkers::{EnumWalker, ModelWalker, Walker}, ParserDatabase, ScalarFieldType, }; use diagnostics::Span; /// A scalar field, as part of a model. #[derive(Debug, Copy, Clone)] pub struct ScalarFieldWalker<'db> { pub(crate) model_id: ast::ModelId, pub(crate) field_id: ast::FieldId, pub(crate) db: &'db ParserDatabase, pub(crate) scalar_field: &'db ScalarField, } impl<'db> PartialEq for ScalarFieldWalker<'db> { fn eq(&self, other: &Self) -> bool { self.model_id == other.model_id && self.field_id == other.field_id } } impl<'db> Eq for ScalarFieldWalker<'db> {} impl<'db> ScalarFieldWalker<'db> { /// The ID of the field node in the AST. pub fn field_id(self) -> ast::FieldId { self.field_id } /// The field node in the AST. pub fn ast_field(self) -> &'db ast::Field { &self.db.ast[self.model_id][self.field_id] } /// The name of the field. pub fn name(self) -> &'db str { self.ast_field().name() } /// The `@default()` AST attribute on the field, if any. pub fn default_attribute(self) -> Option<&'db ast::Attribute> { self.scalar_field .default .as_ref() .map(|d| d.default_attribute) .map(|id| &self.db.ast[id]) } /// The final database name of the field. See crate docs for explanations on database names. pub fn database_name(self) -> &'db str { self.attributes() .mapped_name .map(|id| &self.db[id]) .unwrap_or_else(|| self.name()) } /// Does the field have an `@default(autoincrement())` attribute? pub fn is_autoincrement(self) -> bool { self.default_value().map(|dv| dv.is_autoincrement()).unwrap_or(false) } /// Does the field define a primary key by its own. pub fn is_single_pk(self) -> bool { self.model().field_is_single_pk(self.field_id) } /// Is there an `@ignore` attribute on the field? pub fn is_ignored(self) -> bool { self.attributes().is_ignored } /// Is the field optional / nullable? pub fn is_optional(self) -> bool { self.ast_field().arity.is_optional() } /// Is there an `@updateAt` attribute on the field? pub fn is_updated_at(self) -> bool { self.attributes().is_updated_at } fn attributes(self) -> &'db ScalarField { self.scalar_field } /// Is this field's type an enum? If yes, walk the enum. pub fn field_type_as_enum(self) -> Option<EnumWalker<'db>> { match self.scalar_field_type() { ScalarFieldType::Enum(enum_id) => Some(Walker { db: self.db, id: enum_id, }), _ => None, } } /// The name in the `@map(<name>)` attribute. pub fn mapped_name(self) -> Option<&'db str> { self.attributes().mapped_name.map(|id| &self.db[id]) } /// The model that contains the field. pub fn model(self) -> ModelWalker<'db> { ModelWalker { model_id: self.model_id, db: self.db, model_attributes: &self.db.types.model_attributes[&self.model_id], } } /// (attribute scope, native type name, arguments, span) /// /// For example: `@db.Text` would translate to ("db", "Text", &[], <the span>) pub fn raw_native_type(self) -> Option<(&'db str, &'db str, &'db [String], Span)> { let db = self.db; self.attributes() .native_type .as_ref() .map(move |(datasource_name, name, args, span)| (&db[*datasource_name], &db[*name], args.as_slice(), *span)) } /// Is the type of the field `Unsupported("...")`? pub fn is_unsupported(self) -> bool { matches!(self.ast_field().field_type, ast::FieldType::Unsupported(_, _)) } /// The `@default()` attribute of the field, if any. pub fn default_value(self) -> Option<DefaultValueWalker<'db>> { self.attributes().default.as_ref().map(|d| DefaultValueWalker { model_id: self.model_id, field_id: self.field_id, db: self.db, default: d, }) } /// The type of the field, with type aliases resolved. pub fn resolved_scalar_field_type(self) -> ScalarFieldType { match self.attributes().r#type { ScalarFieldType::Alias(id) => *self.db.alias_scalar_field_type(&id), other => other, } } /// The type of the field. pub fn scalar_field_type(self) -> ScalarFieldType { self.attributes().r#type } /// The type of the field in case it is a scalar type (not an enum, not a composite type). pub fn scalar_type(self) -> Option<ScalarType> { let mut tpe = &self.scalar_field.r#type; loop { match tpe { ScalarFieldType::BuiltInScalar(scalar) => return Some(*scalar), ScalarFieldType::Alias(alias_id) => tpe = &self.db.types.type_aliases[alias_id], _ => return None, } } } } /// An `@default()` attribute on a field. #[derive(Clone, Copy)] pub struct DefaultValueWalker<'db> { model_id: ast::ModelId, field_id: ast::FieldId, db: &'db ParserDatabase, default: &'db DefaultAttribute, } impl<'db> DefaultValueWalker<'db> { /// The AST node of the attribute. pub fn ast_attribute(self) -> &'db ast::Attribute { &self.db.ast[self.default.default_attribute] } /// The value expression in the `@default` attribute. /// /// ```ignore /// score Int @default(0) /// ^ /// ``` pub fn value(self) -> &'db ast::Expression { &self.ast_attribute().arguments.arguments[self.default.argument_idx].value } /// Is this an `@default(autoincrement())`? pub fn is_autoincrement(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "autoincrement") } /// Is this an `@default(cuid())`? pub fn is_cuid(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "cuid") } /// Is this an `@default(dbgenerated())`? pub fn is_dbgenerated(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "dbgenerated") } /// Is this an `@default(auto())`? pub fn is_auto(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "auto") } /// Is this an `@default(now())`? pub fn is_now(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "now") } /// Is this an `@default(uuid())`? pub fn is_uuid(self) -> bool { matches!(self.value(), ast::Expression::Function(name, _, _) if name == "uuid") } /// The mapped name of the default value. Not applicable to all connectors. See crate docs for /// details on mapped names. /// /// ```ignore /// name String @default("george", map: "name_default_to_george") /// ^^^^^^^^^^^^^^^^^^^^^^^^ /// ``` pub fn mapped_name(self) -> Option<&'db str> { self.default.mapped_name.map(|id| &self.db[id]) } /// The field carrying the default attribute. /// /// ```ignore /// name String @default("george") /// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ /// ``` pub fn field(self) -> ScalarFieldWalker<'db> { ScalarFieldWalker { model_id: self.model_id, field_id: self.field_id, db: self.db, scalar_field: &self.db.types.scalar_fields[&(self.model_id, self.field_id)], } } } /// A scalar field as referenced in a key specification (id, index or unique). #[derive(Copy, Clone)] pub struct ScalarFieldAttributeWalker<'db> { pub(crate) model_id: ast::ModelId, pub(crate) fields: &'db [FieldWithArgs], pub(crate) db: &'db ParserDatabase, pub(crate) field_arg_id: usize, } impl<'db> ScalarFieldAttributeWalker<'db> { fn args(self) -> &'db FieldWithArgs { &self.fields[self.field_arg_id] } /// The length argument on the field. /// /// ```ignore /// @@index(name(length: 10)) /// ^^ /// ``` pub fn length(self) -> Option<u32> { self.args().length } /// The underlying scalar field. /// /// ```ignore /// model Test { /// id Int @id /// name String /// ^^^^^^^^^^^^^^^^^^ /// kind Int /// /// @@index([name]) /// } /// /// ``` pub fn as_scalar_field(self) -> ScalarFieldWalker<'db> { ScalarFieldWalker { model_id: self.model_id, field_id: self.args().field_id, db: self.db, scalar_field: &self.db.types.scalar_fields[&(self.model_id, self.args().field_id)], } } /// The sort order (asc or desc) on the field. /// /// ```ignore /// @@index(name(sort: Desc)) /// ^^^^ /// ``` pub fn sort_order(&self) -> Option<SortOrder> { self.args().sort_order } }

236730a287ff2b799033dcf789253912c1990df5

use crate::event::{LogEvent, Value}; use rlua::prelude::*; impl<'a> ToLua<'a> for LogEvent { fn to_lua(self, ctx: LuaContext<'a>) -> LuaResult<LuaValue> { ctx.create_table_from(self.into_iter().map(|(k, v)| (k, v))) .map(LuaValue::Table) } } impl<'a> FromLua<'a> for LogEvent { fn from_lua(value: LuaValue<'a>, _: LuaContext<'a>) -> LuaResult<Self> { match value { LuaValue::Table(t) => { let mut log = LogEvent::default(); for pair in t.pairs() { let (key, value): (String, Value) = pair?; log.insert_flat(key, value); } Ok(log) } _ => Err(rlua::Error::FromLuaConversionError { from: value.type_name(), to: "LogEvent", message: Some("LogEvent should ba a Lua table".to_string()), }), } } } #[cfg(test)] mod test { use super::*; use crate::event::Event; #[test] fn to_lua() { let mut event = Event::new_empty_log(); let log = event.as_mut_log(); log.insert("a", 1); log.insert("nested.field", "2"); log.insert("nested.array[0]", "example value"); log.insert("nested.array[2]", "another value"); let assertions = vec![ "type(log) == 'table'", "log.a == 1", "type(log.nested) == 'table'", "log.nested.field == '2'", "#log.nested.array == 3", "log.nested.array[1] == 'example value'", "log.nested.array[2] == ''", "log.nested.array[3] == 'another value'", ]; Lua::new().context(move |ctx| { ctx.globals().set("log", log.clone()).unwrap(); for assertion in assertions { let result: bool = ctx .load(assertion) .eval() .unwrap_or_else(|_| panic!("Failed to verify assertion {:?}", assertion)); assert!(result, assertion); } }); } #[test] fn from_lua() { let lua_event = r#" { a = 1, nested = { field = '2', array = {'example value', '', 'another value'} } } "#; Lua::new().context(move |ctx| { let event: LogEvent = ctx.load(lua_event).eval().unwrap(); assert_eq!(event[&"a".into()], Value::Integer(1)); assert_eq!(event[&"nested.field".into()], Value::Bytes("2".into())); assert_eq!( event[&"nested.array[0]".into()], Value::Bytes("example value".into()) ); assert_eq!(event[&"nested.array[1]".into()], Value::Bytes("".into())); assert_eq!( event[&"nested.array[2]".into()], Value::Bytes("another value".into()) ); }); } }

75821e08a47e34fc82a33a6b31f732e88e4100aa

use crate::bounding_volume::{BoundingSphere, BoundingVolume, AABB}; use crate::mass_properties::MassProperties; use crate::math::{Isometry, Point, Real, Vector}; use crate::query::{PointQuery, RayCast}; #[cfg(feature = "serde-serialize")] use crate::shape::SharedShape; #[cfg(feature = "std")] use crate::shape::{composite_shape::SimdCompositeShape, Compound, HeightField, Polyline, TriMesh}; use crate::shape::{ Ball, Capsule, Cuboid, FeatureId, HalfSpace, PolygonalFeatureMap, RoundCuboid, RoundShape, RoundTriangle, Segment, SupportMap, Triangle, }; #[cfg(feature = "dim3")] use crate::shape::{Cone, Cylinder, RoundCone, RoundCylinder}; #[cfg(feature = "dim3")] #[cfg(feature = "std")] use crate::shape::{ConvexPolyhedron, RoundConvexPolyhedron}; #[cfg(feature = "dim2")] #[cfg(feature = "std")] use crate::shape::{ConvexPolygon, RoundConvexPolygon}; use downcast_rs::{impl_downcast, DowncastSync}; use na::{RealField, Unit}; use num::Zero; use num_derive::FromPrimitive; #[derive(Copy, Clone, Debug, FromPrimitive, PartialEq, Eq, Hash)] /// Enum representing the type of a shape. pub enum ShapeType { /// A ball shape. Ball = 0, /// A cuboid shape. Cuboid, /// A capsule shape. Capsule, /// A segment shape. Segment, /// A triangle shape. Triangle, /// A triangle mesh shape. TriMesh, /// A set of segments. Polyline, /// A shape representing a full half-space. HalfSpace, /// A heightfield shape. HeightField, /// A Compound shape. Compound, #[cfg(feature = "dim2")] ConvexPolygon, #[cfg(feature = "dim3")] /// A convex polyhedron. ConvexPolyhedron, #[cfg(feature = "dim3")] /// A cylindrical shape. Cylinder, #[cfg(feature = "dim3")] /// A cone shape. Cone, // /// A custom shape type. // Custom(u8), /// A cuboid with rounded corners. RoundCuboid, /// A triangle with rounded corners. RoundTriangle, // /// A triangle-mesh with rounded corners. // RoundedTriMesh, // /// An heightfield with rounded corners. // RoundedHeightField, /// A cylinder with rounded corners. #[cfg(feature = "dim3")] RoundCylinder, /// A cone with rounded corners. #[cfg(feature = "dim3")] RoundCone, /// A convex polyhedron with rounded corners. #[cfg(feature = "dim3")] RoundConvexPolyhedron, /// A convex polygon with rounded corners. #[cfg(feature = "dim2")] RoundConvexPolygon, /// A custom user-defined shape. Custom, } #[derive(Copy, Clone)] #[cfg_attr(feature = "serde-serialize", derive(Serialize))] /// Enum representing the shape with its actual type pub enum TypedShape<'a> { /// A ball shape. Ball(&'a Ball), /// A cuboid shape. Cuboid(&'a Cuboid), /// A capsule shape. Capsule(&'a Capsule), /// A segment shape. Segment(&'a Segment), /// A triangle shape. Triangle(&'a Triangle), /// A triangle mesh shape. #[cfg(feature = "std")] TriMesh(&'a TriMesh), /// A set of segments. #[cfg(feature = "std")] Polyline(&'a Polyline), /// A shape representing a full half-space. HalfSpace(&'a HalfSpace), /// A heightfield shape. #[cfg(feature = "std")] HeightField(&'a HeightField), /// A Compound shape. #[cfg(feature = "std")] Compound(&'a Compound), #[cfg(feature = "dim2")] #[cfg(feature = "std")] ConvexPolygon(&'a ConvexPolygon), #[cfg(feature = "dim3")] #[cfg(feature = "std")] /// A convex polyhedron. ConvexPolyhedron(&'a ConvexPolyhedron), #[cfg(feature = "dim3")] /// A cylindrical shape. Cylinder(&'a Cylinder), #[cfg(feature = "dim3")] /// A cone shape. Cone(&'a Cone), // /// A custom shape type. // Custom(u8), /// A cuboid with rounded corners. RoundCuboid(&'a RoundCuboid), /// A triangle with rounded corners. RoundTriangle(&'a RoundTriangle), // /// A triangle-mesh with rounded corners. // RoundedTriMesh, // /// An heightfield with rounded corners. // RoundedHeightField, /// A cylinder with rounded corners. #[cfg(feature = "dim3")] RoundCylinder(&'a RoundCylinder), /// A cone with rounded corners. #[cfg(feature = "dim3")] RoundCone(&'a RoundCone), /// A convex polyhedron with rounded corners. #[cfg(feature = "dim3")] #[cfg(feature = "std")] RoundConvexPolyhedron(&'a RoundConvexPolyhedron), /// A convex polygon with rounded corners. #[cfg(feature = "dim2")] #[cfg(feature = "std")] RoundConvexPolygon(&'a RoundConvexPolygon), /// A custom user-defined shape with a type identified by a number. Custom(u32), } #[cfg(feature = "serde-serialize")] #[derive(Deserialize)] // NOTE: tha this enum MUST match the `TypedShape` enum. /// Enum representing the shape with its actual type pub(crate) enum DeserializableTypedShape { /// A ball shape. Ball(Ball), /// A cuboid shape. Cuboid(Cuboid), /// A capsule shape. Capsule(Capsule), /// A segment shape. Segment(Segment), /// A triangle shape. Triangle(Triangle), /// A triangle mesh shape. #[cfg(feature = "std")] TriMesh(TriMesh), /// A set of segments. #[cfg(feature = "std")] Polyline(Polyline), /// A shape representing a full half-space. HalfSpace(HalfSpace), /// A heightfield shape. #[cfg(feature = "std")] HeightField(HeightField), /// A Compound shape. #[cfg(feature = "std")] Compound(Compound), #[cfg(feature = "dim2")] #[cfg(feature = "std")] ConvexPolygon(ConvexPolygon), #[cfg(feature = "dim3")] #[cfg(feature = "std")] /// A convex polyhedron. ConvexPolyhedron(ConvexPolyhedron), #[cfg(feature = "dim3")] /// A cylindrical shape. Cylinder(Cylinder), #[cfg(feature = "dim3")] /// A cone shape. Cone(Cone), // /// A custom shape type. // Custom(u8), /// A cuboid with rounded corners. RoundCuboid(RoundCuboid), /// A triangle with rounded corners. RoundTriangle(RoundTriangle), // /// A triangle-mesh with rounded corners. // RoundedTriMesh, // /// An heightfield with rounded corners. // RoundedHeightField, /// A cylinder with rounded corners. #[cfg(feature = "dim3")] RoundCylinder(RoundCylinder), /// A cone with rounded corners. #[cfg(feature = "dim3")] RoundCone(RoundCone), /// A convex polyhedron with rounded corners. #[cfg(feature = "dim3")] #[cfg(feature = "std")] RoundConvexPolyhedron(RoundConvexPolyhedron), /// A convex polygon with rounded corners. #[cfg(feature = "dim2")] #[cfg(feature = "std")] RoundConvexPolygon(RoundConvexPolygon), /// A custom user-defined shape identified by a number. Custom(u32), } #[cfg(feature = "serde-serialize")] impl DeserializableTypedShape { /// Converts `self` to a `SharedShape` if `self` isn't `Custom`. pub fn into_shared_shape(self) -> Option<SharedShape> { match self { DeserializableTypedShape::Ball(s) => Some(SharedShape::new(s)), DeserializableTypedShape::Cuboid(s) => Some(SharedShape::new(s)), DeserializableTypedShape::Capsule(s) => Some(SharedShape::new(s)), DeserializableTypedShape::Segment(s) => Some(SharedShape::new(s)), DeserializableTypedShape::Triangle(s) => Some(SharedShape::new(s)), #[cfg(feature = "std")] DeserializableTypedShape::TriMesh(s) => Some(SharedShape::new(s)), #[cfg(feature = "std")] DeserializableTypedShape::Polyline(s) => Some(SharedShape::new(s)), DeserializableTypedShape::HalfSpace(s) => Some(SharedShape::new(s)), #[cfg(feature = "std")] DeserializableTypedShape::HeightField(s) => Some(SharedShape::new(s)), #[cfg(feature = "std")] DeserializableTypedShape::Compound(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim2")] #[cfg(feature = "std")] DeserializableTypedShape::ConvexPolygon(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] #[cfg(feature = "std")] DeserializableTypedShape::ConvexPolyhedron(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] DeserializableTypedShape::Cylinder(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] DeserializableTypedShape::Cone(s) => Some(SharedShape::new(s)), DeserializableTypedShape::RoundCuboid(s) => Some(SharedShape::new(s)), DeserializableTypedShape::RoundTriangle(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] DeserializableTypedShape::RoundCylinder(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] DeserializableTypedShape::RoundCone(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim3")] #[cfg(feature = "std")] DeserializableTypedShape::RoundConvexPolyhedron(s) => Some(SharedShape::new(s)), #[cfg(feature = "dim2")] #[cfg(feature = "std")] DeserializableTypedShape::RoundConvexPolygon(s) => Some(SharedShape::new(s)), DeserializableTypedShape::Custom(_) => None, } } } /// Trait implemented by shapes usable by Rapier. pub trait Shape: RayCast + PointQuery + DowncastSync { /// Computes the AABB of this shape. fn compute_local_aabb(&self) -> AABB; /// Computes the bounding-sphere of this shape. fn compute_local_bounding_sphere(&self) -> BoundingSphere; /// Clones this shape into a boxed trait-object. #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape>; /// Computes the AABB of this shape with the given position. fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.compute_local_aabb().transform_by(position) } /// Computes the bounding-sphere of this shape with the given position. fn compute_bounding_sphere(&self, position: &Isometry<Real>) -> BoundingSphere { self.compute_local_bounding_sphere().transform_by(position) } /// Compute the mass-properties of this shape given its uniform density. fn mass_properties(&self, density: Real) -> MassProperties; /// Gets the type tag of this shape. fn shape_type(&self) -> ShapeType; /// Gets the underlying shape as an enum. fn as_typed_shape(&self) -> TypedShape; fn ccd_thickness(&self) -> Real; // TODO: document this. // This should probably be the largest sharp edge angle (in radians) in [0; PI]. // Though this isn't a very good description considering this is PI / 2 // for capsule (which doesn't have any sharp angle). I guess a better way // to phrase this is: "the smallest angle such that rotating the shape by // that angle may result in different contact points". fn ccd_angular_thickness(&self) -> Real; /// Is this shape known to be convex? /// /// If this returns `true` then `self` is known to be convex. /// If this returns `false` then it is not known whether or /// not `self` is convex. fn is_convex(&self) -> bool { false } /// Convents this shape into its support mapping, if it has one. fn as_support_map(&self) -> Option<&dyn SupportMap> { None } #[cfg(feature = "std")] fn as_composite_shape(&self) -> Option<&dyn SimdCompositeShape> { None } /// Converts this shape to a polygonal feature-map, if it is one. fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { None } // fn as_rounded(&self) -> Option<&Rounded<Box<AnyShape>>> { // None // } /// The shape's normal at the given point located on a specific feature. fn feature_normal_at_point( &self, _feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { None } /// Computes the swept AABB of this shape, i.e., the space it would occupy by moving from /// the given start position to the given end position. fn compute_swept_aabb(&self, start_pos: &Isometry<Real>, end_pos: &Isometry<Real>) -> AABB { let aabb1 = self.compute_aabb(start_pos); let aabb2 = self.compute_aabb(end_pos); aabb1.merged(&aabb2) } } impl_downcast!(sync Shape); impl dyn Shape { /// Converts this abstract shape to the given shape, if it is one. pub fn as_shape<T: Shape>(&self) -> Option<&T> { self.downcast_ref() } /// Converts this abstract shape to the given mutable shape, if it is one. pub fn as_shape_mut<T: Shape>(&mut self) -> Option<&mut T> { self.downcast_mut() } /// Converts this abstract shape to a ball, if it is one. pub fn as_ball(&self) -> Option<&Ball> { self.downcast_ref() } /// Converts this abstract shape to a mutable ball, if it is one. pub fn as_ball_mut(&mut self) -> Option<&mut Ball> { self.downcast_mut() } /// Converts this abstract shape to a cuboid, if it is one. pub fn as_cuboid(&self) -> Option<&Cuboid> { self.downcast_ref() } /// Converts this abstract shape to a mutable cuboid, if it is one. pub fn as_cuboid_mut(&mut self) -> Option<&mut Cuboid> { self.downcast_mut() } /// Converts this abstract shape to a halfspace, if it is one. pub fn as_halfspace(&self) -> Option<&HalfSpace> { self.downcast_ref() } /// Converts this abstract shape to a halfspace, if it is one. pub fn as_halfspace_mut(&mut self) -> Option<&mut HalfSpace> { self.downcast_mut() } /// Converts this abstract shape to a segment, if it is one. pub fn as_segment(&self) -> Option<&Segment> { self.downcast_ref() } /// Converts this abstract shape to a mutable segment, if it is one. pub fn as_segment_mut(&mut self) -> Option<&mut Segment> { self.downcast_mut() } /// Converts this abstract shape to a capsule, if it is one. pub fn as_capsule(&self) -> Option<&Capsule> { self.downcast_ref() } /// Converts this abstract shape to a mutable capsule, if it is one. pub fn as_capsule_mut(&mut self) -> Option<&mut Capsule> { self.downcast_mut() } /// Converts this abstract shape to a triangle, if it is one. pub fn as_triangle(&self) -> Option<&Triangle> { self.downcast_ref() } /// Converts this abstract shape to a mutable triangle, if it is one. pub fn as_triangle_mut(&mut self) -> Option<&mut Triangle> { self.downcast_mut() } /// Converts this abstract shape to a compound shape, if it is one. #[cfg(feature = "std")] pub fn as_compound(&self) -> Option<&Compound> { self.downcast_ref() } /// Converts this abstract shape to a mutable compound shape, if it is one. #[cfg(feature = "std")] pub fn as_compound_mut(&mut self) -> Option<&mut Compound> { self.downcast_mut() } /// Converts this abstract shape to a triangle mesh, if it is one. #[cfg(feature = "std")] pub fn as_trimesh(&self) -> Option<&TriMesh> { self.downcast_ref() } /// Converts this abstract shape to a mutable triangle mesh, if it is one. #[cfg(feature = "std")] pub fn as_trimesh_mut(&mut self) -> Option<&mut TriMesh> { self.downcast_mut() } /// Converts this abstract shape to a polyline, if it is one. #[cfg(feature = "std")] pub fn as_polyline(&self) -> Option<&Polyline> { self.downcast_ref() } /// Converts this abstract shape to a mutable polyline, if it is one. #[cfg(feature = "std")] pub fn as_polyline_mut(&mut self) -> Option<&mut Polyline> { self.downcast_mut() } /// Converts this abstract shape to a heightfield, if it is one. #[cfg(feature = "std")] pub fn as_heightfield(&self) -> Option<&HeightField> { self.downcast_ref() } /// Converts this abstract shape to a mutable heightfield, if it is one. #[cfg(feature = "std")] pub fn as_heightfield_mut(&mut self) -> Option<&mut HeightField> { self.downcast_mut() } /// Converts this abstract shape to a round cuboid, if it is one. pub fn as_round_cuboid(&self) -> Option<&RoundCuboid> { self.downcast_ref() } /// Converts this abstract shape to a mutable round cuboid, if it is one. pub fn as_round_cuboid_mut(&mut self) -> Option<&mut RoundCuboid> { self.downcast_mut() } /// Converts this abstract shape to a round triangle, if it is one. pub fn as_round_triangle(&self) -> Option<&RoundTriangle> { self.downcast_ref() } /// Converts this abstract shape to a round triangle, if it is one. pub fn as_round_triangle_mut(&mut self) -> Option<&mut RoundTriangle> { self.downcast_mut() } /// Converts this abstract shape to a convex polygon, if it is one. #[cfg(feature = "dim2")] #[cfg(feature = "std")] pub fn as_convex_polygon(&self) -> Option<&ConvexPolygon> { self.downcast_ref() } /// Converts this abstract shape to a mutable convex polygon, if it is one. #[cfg(feature = "dim2")] #[cfg(feature = "std")] pub fn as_convex_polygon_mut(&mut self) -> Option<&mut ConvexPolygon> { self.downcast_mut() } /// Converts this abstract shape to a round convex polygon, if it is one. #[cfg(feature = "dim2")] #[cfg(feature = "std")] pub fn as_round_convex_polygon(&self) -> Option<&RoundConvexPolygon> { self.downcast_ref() } /// Converts this abstract shape to a mutable round convex polygon, if it is one. #[cfg(feature = "dim2")] #[cfg(feature = "std")] pub fn as_round_convex_polygon_mut(&mut self) -> Option<&mut RoundConvexPolygon> { self.downcast_mut() } #[cfg(feature = "dim3")] #[cfg(feature = "std")] pub fn as_convex_polyhedron(&self) -> Option<&ConvexPolyhedron> { self.downcast_ref() } #[cfg(feature = "dim3")] #[cfg(feature = "std")] pub fn as_convex_polyhedron_mut(&mut self) -> Option<&mut ConvexPolyhedron> { self.downcast_mut() } /// Converts this abstract shape to a cylinder, if it is one. #[cfg(feature = "dim3")] pub fn as_cylinder(&self) -> Option<&Cylinder> { self.downcast_ref() } /// Converts this abstract shape to a mutable cylinder, if it is one. #[cfg(feature = "dim3")] pub fn as_cylinder_mut(&mut self) -> Option<&mut Cylinder> { self.downcast_mut() } /// Converts this abstract shape to a cone, if it is one. #[cfg(feature = "dim3")] pub fn as_cone(&self) -> Option<&Cone> { self.downcast_ref() } /// Converts this abstract shape to a mutable cone, if it is one. #[cfg(feature = "dim3")] pub fn as_cone_mut(&mut self) -> Option<&mut Cone> { self.downcast_mut() } /// Converts this abstract shape to a round cylinder, if it is one. #[cfg(feature = "dim3")] pub fn as_round_cylinder(&self) -> Option<&RoundCylinder> { self.downcast_ref() } /// Converts this abstract shape to a mutable round cylinder, if it is one. #[cfg(feature = "dim3")] pub fn as_round_cylinder_mut(&mut self) -> Option<&mut RoundCylinder> { self.downcast_mut() } /// Converts this abstract shape to a round cone, if it is one. #[cfg(feature = "dim3")] pub fn as_round_cone(&self) -> Option<&RoundCone> { self.downcast_ref() } /// Converts this abstract shape to a mutable round cone, if it is one. #[cfg(feature = "dim3")] pub fn as_round_cone_mut(&mut self) -> Option<&mut RoundCone> { self.downcast_mut() } /// Converts this abstract shape to a round convex polyhedron, if it is one. #[cfg(feature = "dim3")] #[cfg(feature = "std")] pub fn as_round_convex_polyhedron(&self) -> Option<&RoundConvexPolyhedron> { self.downcast_ref() } /// Converts this abstract shape to a mutable round convex polyhedron, if it is one. #[cfg(feature = "dim3")] #[cfg(feature = "std")] pub fn as_round_convex_polyhedron_mut(&mut self) -> Option<&mut RoundConvexPolyhedron> { self.downcast_mut() } } impl Shape for Ball { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_ball(density, self.radius) } fn ccd_thickness(&self) -> Real { self.radius } fn ccd_angular_thickness(&self) -> Real { Real::pi() } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Ball } fn as_typed_shape(&self) -> TypedShape { TypedShape::Ball(self) } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } /// The shape's normal at the given point located on a specific feature. #[inline] fn feature_normal_at_point( &self, _: FeatureId, point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { Unit::try_new(point.coords, crate::math::DEFAULT_EPSILON) } } impl Shape for Cuboid { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_cuboid(density, self.half_extents) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Cuboid } fn as_typed_shape(&self) -> TypedShape { TypedShape::Cuboid(self) } fn ccd_thickness(&self) -> Real { self.half_extents.min() } fn ccd_angular_thickness(&self) -> Real { Real::frac_pi_2() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } fn feature_normal_at_point( &self, feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { self.feature_normal(feature) } } impl Shape for Capsule { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_capsule(density, self.segment.a, self.segment.b, self.radius) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Capsule } fn as_typed_shape(&self) -> TypedShape { TypedShape::Capsule(self) } fn ccd_thickness(&self) -> Real { self.radius } fn ccd_angular_thickness(&self) -> Real { Real::frac_pi_2() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((&self.segment as &dyn PolygonalFeatureMap, self.radius)) } } impl Shape for Triangle { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, _density: Real) -> MassProperties { #[cfg(feature = "dim2")] return MassProperties::from_triangle(_density, &self.a, &self.b, &self.c); #[cfg(feature = "dim3")] return MassProperties::zero(); } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Triangle } fn as_typed_shape(&self) -> TypedShape { TypedShape::Triangle(self) } fn ccd_thickness(&self) -> Real { // TODO: in 2D use the smallest height of the triangle. 0.0 } fn ccd_angular_thickness(&self) -> Real { Real::frac_pi_2() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } fn feature_normal_at_point( &self, feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { self.feature_normal(feature) } } impl Shape for Segment { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, _density: Real) -> MassProperties { MassProperties::zero() } fn is_convex(&self) -> bool { true } fn ccd_thickness(&self) -> Real { 0.0 } fn ccd_angular_thickness(&self) -> Real { Real::frac_pi_2() } fn shape_type(&self) -> ShapeType { ShapeType::Segment } fn as_typed_shape(&self) -> TypedShape { TypedShape::Segment(self) } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } fn feature_normal_at_point( &self, feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { self.feature_normal(feature) } } #[cfg(feature = "std")] impl Shape for Compound { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { *self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.local_aabb().transform_by(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_compound(density, self.shapes()) } fn shape_type(&self) -> ShapeType { ShapeType::Compound } fn as_typed_shape(&self) -> TypedShape { TypedShape::Compound(self) } fn ccd_thickness(&self) -> Real { self.shapes() .iter() .fold(Real::MAX, |curr, (_, s)| curr.min(s.ccd_thickness())) } fn ccd_angular_thickness(&self) -> Real { self.shapes().iter().fold(Real::MAX, |curr, (_, s)| { curr.max(s.ccd_angular_thickness()) }) } #[cfg(feature = "std")] fn as_composite_shape(&self) -> Option<&dyn SimdCompositeShape> { Some(self as &dyn SimdCompositeShape) } } #[cfg(feature = "std")] impl Shape for Polyline { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { *self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, _density: Real) -> MassProperties { MassProperties::zero() } fn shape_type(&self) -> ShapeType { ShapeType::Polyline } fn as_typed_shape(&self) -> TypedShape { TypedShape::Polyline(self) } fn ccd_thickness(&self) -> Real { 0.0 } fn ccd_angular_thickness(&self) -> Real { // TODO: the value should depend on the angles between // adjacent segments of the polyline. Real::frac_pi_4() } #[cfg(feature = "std")] fn as_composite_shape(&self) -> Option<&dyn SimdCompositeShape> { Some(self as &dyn SimdCompositeShape) } } #[cfg(feature = "std")] impl Shape for TriMesh { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { *self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, _density: Real) -> MassProperties { #[cfg(feature = "dim2")] return MassProperties::from_trimesh(_density, self.vertices(), self.indices()); #[cfg(feature = "dim3")] return MassProperties::zero(); } fn shape_type(&self) -> ShapeType { ShapeType::TriMesh } fn as_typed_shape(&self) -> TypedShape { TypedShape::TriMesh(self) } fn ccd_thickness(&self) -> Real { // TODO: in 2D, return the smallest CCD thickness among triangles? 0.0 } fn ccd_angular_thickness(&self) -> Real { // TODO: the value should depend on the angles between // adjacent triangles of the trimesh. Real::frac_pi_4() } #[cfg(feature = "std")] fn as_composite_shape(&self) -> Option<&dyn SimdCompositeShape> { Some(self as &dyn SimdCompositeShape) } } #[cfg(feature = "std")] impl Shape for HeightField { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, _density: Real) -> MassProperties { MassProperties::zero() } fn shape_type(&self) -> ShapeType { ShapeType::HeightField } fn as_typed_shape(&self) -> TypedShape { TypedShape::HeightField(self) } fn ccd_thickness(&self) -> Real { 0.0 } fn ccd_angular_thickness(&self) -> Real { // TODO: the value should depend on the angles between // adjacent triangles of the heightfield. Real::frac_pi_4() } } #[cfg(feature = "dim2")] #[cfg(feature = "std")] impl Shape for ConvexPolygon { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_convex_polygon(density, &self.points()) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::ConvexPolygon } fn as_typed_shape(&self) -> TypedShape { TypedShape::ConvexPolygon(self) } fn ccd_thickness(&self) -> Real { // TODO: we should use the OBB instead. self.compute_local_aabb().half_extents().min() } fn ccd_angular_thickness(&self) -> Real { // TODO: the value should depend on the angles between // adjacent segments of the convex polygon. Real::frac_pi_4() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } fn feature_normal_at_point( &self, feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { self.feature_normal(feature) } } #[cfg(feature = "dim3")] #[cfg(feature = "std")] impl Shape for ConvexPolyhedron { fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { let (vertices, indices) = self.to_trimesh(); MassProperties::from_convex_polyhedron(density, &vertices, &indices) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::ConvexPolyhedron } fn as_typed_shape(&self) -> TypedShape { TypedShape::ConvexPolyhedron(self) } fn ccd_thickness(&self) -> Real { // TODO: we should use the OBB instead. self.compute_local_aabb().half_extents().min() } fn ccd_angular_thickness(&self) -> Real { // TODO: the value should depend on the angles between // adjacent segments of the convex polyhedron. Real::frac_pi_4() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } fn feature_normal_at_point( &self, feature: FeatureId, _point: &Point<Real>, ) -> Option<Unit<Vector<Real>>> { self.feature_normal(feature) } } #[cfg(feature = "dim3")] impl Shape for Cylinder { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_cylinder(density, self.half_height, self.radius) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Cylinder } fn as_typed_shape(&self) -> TypedShape { TypedShape::Cylinder(self) } fn ccd_thickness(&self) -> Real { self.radius } fn ccd_angular_thickness(&self) -> Real { Real::frac_pi_2() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } } #[cfg(feature = "dim3")] impl Shape for Cone { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn mass_properties(&self, density: Real) -> MassProperties { MassProperties::from_cone(density, self.half_height, self.radius) } fn is_convex(&self) -> bool { true } fn shape_type(&self) -> ShapeType { ShapeType::Cone } fn as_typed_shape(&self) -> TypedShape { TypedShape::Cone(self) } fn ccd_thickness(&self) -> Real { self.radius } fn ccd_angular_thickness(&self) -> Real { let apex_half_angle = self.radius.atan2(self.half_height); assert!(apex_half_angle >= 0.0); let basis_angle = Real::frac_pi_2() - apex_half_angle; basis_angle.min(apex_half_angle * 2.0) } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((self as &dyn PolygonalFeatureMap, 0.0)) } } impl Shape for HalfSpace { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.local_aabb() } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.local_bounding_sphere() } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.aabb(position) } fn is_convex(&self) -> bool { true } fn ccd_thickness(&self) -> Real { f32::MAX as Real } fn ccd_angular_thickness(&self) -> Real { Real::pi() } fn mass_properties(&self, _: Real) -> MassProperties { MassProperties::zero() } fn shape_type(&self) -> ShapeType { ShapeType::HalfSpace } fn as_typed_shape(&self) -> TypedShape { TypedShape::HalfSpace(self) } } macro_rules! impl_shape_for_round_shape( ($($S: ty, $Tag: ident);*) => {$( impl Shape for RoundShape<$S> { #[cfg(feature = "std")] fn clone_box(&self) -> Box<dyn Shape> { Box::new(self.clone()) } fn compute_local_aabb(&self) -> AABB { self.base_shape.local_aabb().loosened(self.border_radius) } fn compute_local_bounding_sphere(&self) -> BoundingSphere { self.base_shape.local_bounding_sphere().loosened(self.border_radius) } fn compute_aabb(&self, position: &Isometry<Real>) -> AABB { self.base_shape.aabb(position).loosened(self.border_radius) } fn mass_properties(&self, density: Real) -> MassProperties { self.base_shape.mass_properties(density) } fn is_convex(&self) -> bool { self.base_shape.is_convex() } fn shape_type(&self) -> ShapeType { ShapeType::$Tag } fn as_typed_shape(&self) -> TypedShape { TypedShape::$Tag(self) } fn ccd_thickness(&self) -> Real { self.base_shape.ccd_thickness() + self.border_radius } fn ccd_angular_thickness(&self) -> Real { // The fact that the shape is round doesn't change anything // to the CCD angular thickness. self.base_shape.ccd_angular_thickness() } fn as_support_map(&self) -> Option<&dyn SupportMap> { Some(self as &dyn SupportMap) } fn as_polygonal_feature_map(&self) -> Option<(&dyn PolygonalFeatureMap, Real)> { Some((&self.base_shape as &dyn PolygonalFeatureMap, self.border_radius)) } } )*} ); impl_shape_for_round_shape!( Cuboid, RoundCuboid; Triangle, RoundTriangle ); #[cfg(feature = "dim2")] #[cfg(feature = "std")] impl_shape_for_round_shape!(ConvexPolygon, RoundConvexPolygon); #[cfg(feature = "dim3")] impl_shape_for_round_shape!( Cylinder, RoundCylinder; Cone, RoundCone ); #[cfg(feature = "dim3")] #[cfg(feature = "std")] impl_shape_for_round_shape!(ConvexPolyhedron, RoundConvexPolyhedron);

03dff108770413c0959f4c24fbf8d6eb3a468bfc

//! This module contains the "cleaned" pieces of the AST, and the functions //! that clean them. pub mod inline; pub mod cfg; mod simplify; mod auto_trait; mod blanket_impl; pub mod def_ctor; use rustc_data_structures::indexed_vec::{IndexVec, Idx}; use rustc_data_structures::sync::Lrc; use rustc_target::spec::abi::Abi; use rustc_typeck::hir_ty_to_ty; use rustc::infer::region_constraints::{RegionConstraintData, Constraint}; use rustc::middle::resolve_lifetime as rl; use rustc::middle::lang_items; use rustc::middle::stability; use rustc::mir::interpret::GlobalId; use rustc::hir::{self, GenericArg, HirVec}; use rustc::hir::def::{self, Def, CtorKind}; use rustc::hir::def_id::{CrateNum, DefId, CRATE_DEF_INDEX, LOCAL_CRATE}; use rustc::ty::subst::Substs; use rustc::ty::{self, TyCtxt, Region, RegionVid, Ty, AdtKind}; use rustc::ty::fold::TypeFolder; use rustc::ty::layout::VariantIdx; use rustc::util::nodemap::{FxHashMap, FxHashSet}; use syntax::ast::{self, AttrStyle, Ident}; use syntax::attr; use syntax::ext::base::MacroKind; use syntax::source_map::{dummy_spanned, Spanned}; use syntax::ptr::P; use syntax::symbol::keywords::{self, Keyword}; use syntax::symbol::InternedString; use syntax_pos::{self, DUMMY_SP, Pos, FileName}; use std::collections::hash_map::Entry; use std::fmt; use std::hash::{Hash, Hasher}; use std::default::Default; use std::{mem, slice, vec}; use std::iter::{FromIterator, once}; use std::rc::Rc; use std::str::FromStr; use std::cell::RefCell; use std::sync::Arc; use std::u32; use parking_lot::ReentrantMutex; use crate::core::{self, DocContext}; use crate::doctree; use crate::visit_ast; use crate::html::render::{cache, ExternalLocation}; use crate::html::item_type::ItemType; use self::cfg::Cfg; use self::auto_trait::AutoTraitFinder; use self::blanket_impl::BlanketImplFinder; pub use self::Type::*; pub use self::Mutability::*; pub use self::ItemEnum::*; pub use self::SelfTy::*; pub use self::FunctionRetTy::*; pub use self::Visibility::{Public, Inherited}; thread_local!(pub static MAX_DEF_ID: RefCell<FxHashMap<CrateNum, DefId>> = Default::default()); const FN_OUTPUT_NAME: &'static str = "Output"; // extract the stability index for a node from tcx, if possible fn get_stability(cx: &DocContext<'_, '_, '_>, def_id: DefId) -> Option<Stability> { cx.tcx.lookup_stability(def_id).clean(cx) } fn get_deprecation(cx: &DocContext<'_, '_, '_>, def_id: DefId) -> Option<Deprecation> { cx.tcx.lookup_deprecation(def_id).clean(cx) } pub trait Clean<T> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> T; } impl<T: Clean<U>, U> Clean<Vec<U>> for [T] { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<U> { self.iter().map(|x| x.clean(cx)).collect() } } impl<T: Clean<U>, U, V: Idx> Clean<IndexVec<V, U>> for IndexVec<V, T> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> IndexVec<V, U> { self.iter().map(|x| x.clean(cx)).collect() } } impl<T: Clean<U>, U> Clean<U> for P<T> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> U { (**self).clean(cx) } } impl<T: Clean<U>, U> Clean<U> for Rc<T> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> U { (**self).clean(cx) } } impl<T: Clean<U>, U> Clean<Option<U>> for Option<T> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<U> { self.as_ref().map(|v| v.clean(cx)) } } impl<T, U> Clean<U> for ty::Binder<T> where T: Clean<U> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> U { self.skip_binder().clean(cx) } } impl<T: Clean<U>, U> Clean<Vec<U>> for P<[T]> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<U> { self.iter().map(|x| x.clean(cx)).collect() } } #[derive(Clone, Debug)] pub struct Crate { pub name: String, pub version: Option<String>, pub src: FileName, pub module: Option<Item>, pub externs: Vec<(CrateNum, ExternalCrate)>, pub primitives: Vec<(DefId, PrimitiveType, Attributes)>, // These are later on moved into `CACHEKEY`, leaving the map empty. // Only here so that they can be filtered through the rustdoc passes. pub external_traits: Arc<ReentrantMutex<RefCell<FxHashMap<DefId, Trait>>>>, pub masked_crates: FxHashSet<CrateNum>, } impl<'a, 'tcx, 'rcx> Clean<Crate> for visit_ast::RustdocVisitor<'a, 'tcx, 'rcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Crate { use crate::visit_lib::LibEmbargoVisitor; { let mut r = cx.renderinfo.borrow_mut(); r.deref_trait_did = cx.tcx.lang_items().deref_trait(); r.deref_mut_trait_did = cx.tcx.lang_items().deref_mut_trait(); r.owned_box_did = cx.tcx.lang_items().owned_box(); } let mut externs = Vec::new(); for &cnum in cx.tcx.crates().iter() { externs.push((cnum, cnum.clean(cx))); // Analyze doc-reachability for extern items LibEmbargoVisitor::new(cx).visit_lib(cnum); } externs.sort_by(|&(a, _), &(b, _)| a.cmp(&b)); // Clean the crate, translating the entire libsyntax AST to one that is // understood by rustdoc. let mut module = self.module.clean(cx); let mut masked_crates = FxHashSet::default(); match module.inner { ModuleItem(ref module) => { for it in &module.items { // `compiler_builtins` should be masked too, but we can't apply // `#[doc(masked)]` to the injected `extern crate` because it's unstable. if it.is_extern_crate() && (it.attrs.has_doc_flag("masked") || self.cx.tcx.is_compiler_builtins(it.def_id.krate)) { masked_crates.insert(it.def_id.krate); } } } _ => unreachable!(), } let ExternalCrate { name, src, primitives, keywords, .. } = LOCAL_CRATE.clean(cx); { let m = match module.inner { ModuleItem(ref mut m) => m, _ => unreachable!(), }; m.items.extend(primitives.iter().map(|&(def_id, prim, ref attrs)| { Item { source: Span::empty(), name: Some(prim.to_url_str().to_string()), attrs: attrs.clone(), visibility: Some(Public), stability: get_stability(cx, def_id), deprecation: get_deprecation(cx, def_id), def_id, inner: PrimitiveItem(prim), } })); m.items.extend(keywords.into_iter().map(|(def_id, kw, attrs)| { Item { source: Span::empty(), name: Some(kw.clone()), attrs: attrs, visibility: Some(Public), stability: get_stability(cx, def_id), deprecation: get_deprecation(cx, def_id), def_id, inner: KeywordItem(kw), } })); } Crate { name, version: None, src, module: Some(module), externs, primitives, external_traits: cx.external_traits.clone(), masked_crates, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct ExternalCrate { pub name: String, pub src: FileName, pub attrs: Attributes, pub primitives: Vec<(DefId, PrimitiveType, Attributes)>, pub keywords: Vec<(DefId, String, Attributes)>, } impl Clean<ExternalCrate> for CrateNum { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> ExternalCrate { let root = DefId { krate: *self, index: CRATE_DEF_INDEX }; let krate_span = cx.tcx.def_span(root); let krate_src = cx.sess().source_map().span_to_filename(krate_span); // Collect all inner modules which are tagged as implementations of // primitives. // // Note that this loop only searches the top-level items of the crate, // and this is intentional. If we were to search the entire crate for an // item tagged with `#[doc(primitive)]` then we would also have to // search the entirety of external modules for items tagged // `#[doc(primitive)]`, which is a pretty inefficient process (decoding // all that metadata unconditionally). // // In order to keep the metadata load under control, the // `#[doc(primitive)]` feature is explicitly designed to only allow the // primitive tags to show up as the top level items in a crate. // // Also note that this does not attempt to deal with modules tagged // duplicately for the same primitive. This is handled later on when // rendering by delegating everything to a hash map. let as_primitive = |def: Def| { if let Def::Mod(def_id) = def { let attrs = cx.tcx.get_attrs(def_id).clean(cx); let mut prim = None; for attr in attrs.lists("doc") { if let Some(v) = attr.value_str() { if attr.check_name("primitive") { prim = PrimitiveType::from_str(&v.as_str()); if prim.is_some() { break; } // FIXME: should warn on unknown primitives? } } } return prim.map(|p| (def_id, p, attrs)); } None }; let primitives = if root.is_local() { cx.tcx.hir().krate().module.item_ids.iter().filter_map(|&id| { let item = cx.tcx.hir().expect_item(id.id); match item.node { hir::ItemKind::Mod(_) => { as_primitive(Def::Mod(cx.tcx.hir().local_def_id(id.id))) } hir::ItemKind::Use(ref path, hir::UseKind::Single) if item.vis.node.is_pub() => { as_primitive(path.def).map(|(_, prim, attrs)| { // Pretend the primitive is local. (cx.tcx.hir().local_def_id(id.id), prim, attrs) }) } _ => None } }).collect() } else { cx.tcx.item_children(root).iter().map(|item| item.def) .filter_map(as_primitive).collect() }; let as_keyword = |def: Def| { if let Def::Mod(def_id) = def { let attrs = cx.tcx.get_attrs(def_id).clean(cx); let mut keyword = None; for attr in attrs.lists("doc") { if let Some(v) = attr.value_str() { if attr.check_name("keyword") { keyword = Keyword::from_str(&v.as_str()).ok() .map(|x| x.name().to_string()); if keyword.is_some() { break } // FIXME: should warn on unknown keywords? } } } return keyword.map(|p| (def_id, p, attrs)); } None }; let keywords = if root.is_local() { cx.tcx.hir().krate().module.item_ids.iter().filter_map(|&id| { let item = cx.tcx.hir().expect_item(id.id); match item.node { hir::ItemKind::Mod(_) => { as_keyword(Def::Mod(cx.tcx.hir().local_def_id(id.id))) } hir::ItemKind::Use(ref path, hir::UseKind::Single) if item.vis.node.is_pub() => { as_keyword(path.def).map(|(_, prim, attrs)| { (cx.tcx.hir().local_def_id(id.id), prim, attrs) }) } _ => None } }).collect() } else { cx.tcx.item_children(root).iter().map(|item| item.def) .filter_map(as_keyword).collect() }; ExternalCrate { name: cx.tcx.crate_name(*self).to_string(), src: krate_src, attrs: cx.tcx.get_attrs(root).clean(cx), primitives, keywords, } } } /// Anything with a source location and set of attributes and, optionally, a /// name. That is, anything that can be documented. This doesn't correspond /// directly to the AST's concept of an item; it's a strict superset. #[derive(Clone, RustcEncodable, RustcDecodable)] pub struct Item { /// Stringified span pub source: Span, /// Not everything has a name. E.g., impls pub name: Option<String>, pub attrs: Attributes, pub inner: ItemEnum, pub visibility: Option<Visibility>, pub def_id: DefId, pub stability: Option<Stability>, pub deprecation: Option<Deprecation>, } impl fmt::Debug for Item { fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result { let fake = MAX_DEF_ID.with(|m| m.borrow().get(&self.def_id.krate) .map(|id| self.def_id >= *id).unwrap_or(false)); let def_id: &dyn fmt::Debug = if fake { &"**FAKE**" } else { &self.def_id }; fmt.debug_struct("Item") .field("source", &self.source) .field("name", &self.name) .field("attrs", &self.attrs) .field("inner", &self.inner) .field("visibility", &self.visibility) .field("def_id", def_id) .field("stability", &self.stability) .field("deprecation", &self.deprecation) .finish() } } impl Item { /// Finds the `doc` attribute as a NameValue and returns the corresponding /// value found. pub fn doc_value<'a>(&'a self) -> Option<&'a str> { self.attrs.doc_value() } /// Finds all `doc` attributes as NameValues and returns their corresponding values, joined /// with newlines. pub fn collapsed_doc_value(&self) -> Option<String> { self.attrs.collapsed_doc_value() } pub fn links(&self) -> Vec<(String, String)> { self.attrs.links(&self.def_id.krate) } pub fn is_crate(&self) -> bool { match self.inner { StrippedItem(box ModuleItem(Module { is_crate: true, ..})) | ModuleItem(Module { is_crate: true, ..}) => true, _ => false, } } pub fn is_mod(&self) -> bool { self.type_() == ItemType::Module } pub fn is_trait(&self) -> bool { self.type_() == ItemType::Trait } pub fn is_struct(&self) -> bool { self.type_() == ItemType::Struct } pub fn is_enum(&self) -> bool { self.type_() == ItemType::Enum } pub fn is_associated_type(&self) -> bool { self.type_() == ItemType::AssociatedType } pub fn is_associated_const(&self) -> bool { self.type_() == ItemType::AssociatedConst } pub fn is_method(&self) -> bool { self.type_() == ItemType::Method } pub fn is_ty_method(&self) -> bool { self.type_() == ItemType::TyMethod } pub fn is_typedef(&self) -> bool { self.type_() == ItemType::Typedef } pub fn is_primitive(&self) -> bool { self.type_() == ItemType::Primitive } pub fn is_union(&self) -> bool { self.type_() == ItemType::Union } pub fn is_import(&self) -> bool { self.type_() == ItemType::Import } pub fn is_extern_crate(&self) -> bool { self.type_() == ItemType::ExternCrate } pub fn is_keyword(&self) -> bool { self.type_() == ItemType::Keyword } pub fn is_stripped(&self) -> bool { match self.inner { StrippedItem(..) => true, _ => false } } pub fn has_stripped_fields(&self) -> Option<bool> { match self.inner { StructItem(ref _struct) => Some(_struct.fields_stripped), UnionItem(ref union) => Some(union.fields_stripped), VariantItem(Variant { kind: VariantKind::Struct(ref vstruct)} ) => { Some(vstruct.fields_stripped) }, _ => None, } } pub fn stability_class(&self) -> Option<String> { self.stability.as_ref().and_then(|ref s| { let mut classes = Vec::with_capacity(2); if s.level == stability::Unstable { classes.push("unstable"); } if s.deprecation.is_some() { classes.push("deprecated"); } if classes.len() != 0 { Some(classes.join(" ")) } else { None } }) } pub fn stable_since(&self) -> Option<&str> { self.stability.as_ref().map(|s| &s.since[..]) } pub fn is_non_exhaustive(&self) -> bool { self.attrs.other_attrs.iter() .any(|a| a.name().as_str() == "non_exhaustive") } /// Returns a documentation-level item type from the item. pub fn type_(&self) -> ItemType { ItemType::from(self) } /// Returns the info in the item's `#[deprecated]` or `#[rustc_deprecated]` attributes. /// /// If the item is not deprecated, returns `None`. pub fn deprecation(&self) -> Option<&Deprecation> { self.deprecation .as_ref() .or_else(|| self.stability.as_ref().and_then(|s| s.deprecation.as_ref())) } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub enum ItemEnum { ExternCrateItem(String, Option<String>), ImportItem(Import), StructItem(Struct), UnionItem(Union), EnumItem(Enum), FunctionItem(Function), ModuleItem(Module), TypedefItem(Typedef, bool /* is associated type */), ExistentialItem(Existential, bool /* is associated type */), StaticItem(Static), ConstantItem(Constant), TraitItem(Trait), TraitAliasItem(TraitAlias), ImplItem(Impl), /// A method signature only. Used for required methods in traits (ie, /// non-default-methods). TyMethodItem(TyMethod), /// A method with a body. MethodItem(Method), StructFieldItem(Type), VariantItem(Variant), /// `fn`s from an extern block ForeignFunctionItem(Function), /// `static`s from an extern block ForeignStaticItem(Static), /// `type`s from an extern block ForeignTypeItem, MacroItem(Macro), ProcMacroItem(ProcMacro), PrimitiveItem(PrimitiveType), AssociatedConstItem(Type, Option<String>), AssociatedTypeItem(Vec<GenericBound>, Option<Type>), /// An item that has been stripped by a rustdoc pass StrippedItem(Box<ItemEnum>), KeywordItem(String), } impl ItemEnum { pub fn generics(&self) -> Option<&Generics> { Some(match *self { ItemEnum::StructItem(ref s) => &s.generics, ItemEnum::EnumItem(ref e) => &e.generics, ItemEnum::FunctionItem(ref f) => &f.generics, ItemEnum::TypedefItem(ref t, _) => &t.generics, ItemEnum::ExistentialItem(ref t, _) => &t.generics, ItemEnum::TraitItem(ref t) => &t.generics, ItemEnum::ImplItem(ref i) => &i.generics, ItemEnum::TyMethodItem(ref i) => &i.generics, ItemEnum::MethodItem(ref i) => &i.generics, ItemEnum::ForeignFunctionItem(ref f) => &f.generics, ItemEnum::TraitAliasItem(ref ta) => &ta.generics, _ => return None, }) } pub fn is_associated(&self) -> bool { match *self { ItemEnum::TypedefItem(_, _) | ItemEnum::AssociatedTypeItem(_, _) => true, _ => false, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Module { pub items: Vec<Item>, pub is_crate: bool, } impl Clean<Item> for doctree::Module { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let name = if self.name.is_some() { self.name.expect("No name provided").clean(cx) } else { String::new() }; // maintain a stack of mod ids, for doc comment path resolution // but we also need to resolve the module's own docs based on whether its docs were written // inside or outside the module, so check for that let attrs = self.attrs.clean(cx); let mut items: Vec<Item> = vec![]; items.extend(self.extern_crates.iter().flat_map(|x| x.clean(cx))); items.extend(self.imports.iter().flat_map(|x| x.clean(cx))); items.extend(self.structs.iter().map(|x| x.clean(cx))); items.extend(self.unions.iter().map(|x| x.clean(cx))); items.extend(self.enums.iter().map(|x| x.clean(cx))); items.extend(self.fns.iter().map(|x| x.clean(cx))); items.extend(self.foreigns.iter().flat_map(|x| x.clean(cx))); items.extend(self.mods.iter().map(|x| x.clean(cx))); items.extend(self.typedefs.iter().map(|x| x.clean(cx))); items.extend(self.existentials.iter().map(|x| x.clean(cx))); items.extend(self.statics.iter().map(|x| x.clean(cx))); items.extend(self.constants.iter().map(|x| x.clean(cx))); items.extend(self.traits.iter().map(|x| x.clean(cx))); items.extend(self.impls.iter().flat_map(|x| x.clean(cx))); items.extend(self.macros.iter().map(|x| x.clean(cx))); items.extend(self.proc_macros.iter().map(|x| x.clean(cx))); items.extend(self.trait_aliases.iter().map(|x| x.clean(cx))); // determine if we should display the inner contents or // the outer `mod` item for the source code. let whence = { let cm = cx.sess().source_map(); let outer = cm.lookup_char_pos(self.where_outer.lo()); let inner = cm.lookup_char_pos(self.where_inner.lo()); if outer.file.start_pos == inner.file.start_pos { // mod foo { ... } self.where_outer } else { // mod foo; (and a separate SourceFile for the contents) self.where_inner } }; Item { name: Some(name), attrs, source: whence.clean(cx), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), inner: ModuleItem(Module { is_crate: self.is_crate, items, }) } } } pub struct ListAttributesIter<'a> { attrs: slice::Iter<'a, ast::Attribute>, current_list: vec::IntoIter<ast::NestedMetaItem>, name: &'a str } impl<'a> Iterator for ListAttributesIter<'a> { type Item = ast::NestedMetaItem; fn next(&mut self) -> Option<Self::Item> { if let Some(nested) = self.current_list.next() { return Some(nested); } for attr in &mut self.attrs { if let Some(list) = attr.meta_item_list() { if attr.check_name(self.name) { self.current_list = list.into_iter(); if let Some(nested) = self.current_list.next() { return Some(nested); } } } } None } fn size_hint(&self) -> (usize, Option<usize>) { let lower = self.current_list.len(); (lower, None) } } pub trait AttributesExt { /// Finds an attribute as List and returns the list of attributes nested inside. fn lists<'a>(&'a self, name: &'a str) -> ListAttributesIter<'a>; } impl AttributesExt for [ast::Attribute] { fn lists<'a>(&'a self, name: &'a str) -> ListAttributesIter<'a> { ListAttributesIter { attrs: self.iter(), current_list: Vec::new().into_iter(), name, } } } pub trait NestedAttributesExt { /// Returns `true` if the attribute list contains a specific `Word` fn has_word(self, word: &str) -> bool; } impl<I: IntoIterator<Item=ast::NestedMetaItem>> NestedAttributesExt for I { fn has_word(self, word: &str) -> bool { self.into_iter().any(|attr| attr.is_word() && attr.check_name(word)) } } /// A portion of documentation, extracted from a `#[doc]` attribute. /// /// Each variant contains the line number within the complete doc-comment where the fragment /// starts, as well as the Span where the corresponding doc comment or attribute is located. /// /// Included files are kept separate from inline doc comments so that proper line-number /// information can be given when a doctest fails. Sugared doc comments and "raw" doc comments are /// kept separate because of issue #42760. #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum DocFragment { /// A doc fragment created from a `///` or `//!` doc comment. SugaredDoc(usize, syntax_pos::Span, String), /// A doc fragment created from a "raw" `#[doc=""]` attribute. RawDoc(usize, syntax_pos::Span, String), /// A doc fragment created from a `#[doc(include="filename")]` attribute. Contains both the /// given filename and the file contents. Include(usize, syntax_pos::Span, String, String), } impl DocFragment { pub fn as_str(&self) -> &str { match *self { DocFragment::SugaredDoc(_, _, ref s) => &s[..], DocFragment::RawDoc(_, _, ref s) => &s[..], DocFragment::Include(_, _, _, ref s) => &s[..], } } pub fn span(&self) -> syntax_pos::Span { match *self { DocFragment::SugaredDoc(_, span, _) | DocFragment::RawDoc(_, span, _) | DocFragment::Include(_, span, _, _) => span, } } } impl<'a> FromIterator<&'a DocFragment> for String { fn from_iter<T>(iter: T) -> Self where T: IntoIterator<Item = &'a DocFragment> { iter.into_iter().fold(String::new(), |mut acc, frag| { if !acc.is_empty() { acc.push('\n'); } match *frag { DocFragment::SugaredDoc(_, _, ref docs) | DocFragment::RawDoc(_, _, ref docs) | DocFragment::Include(_, _, _, ref docs) => acc.push_str(docs), } acc }) } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug, Default)] pub struct Attributes { pub doc_strings: Vec<DocFragment>, pub other_attrs: Vec<ast::Attribute>, pub cfg: Option<Arc<Cfg>>, pub span: Option<syntax_pos::Span>, /// map from Rust paths to resolved defs and potential URL fragments pub links: Vec<(String, Option<DefId>, Option<String>)>, pub inner_docs: bool, } impl Attributes { /// Extracts the content from an attribute `#[doc(cfg(content))]`. fn extract_cfg(mi: &ast::MetaItem) -> Option<&ast::MetaItem> { use syntax::ast::NestedMetaItemKind::MetaItem; if let ast::MetaItemKind::List(ref nmis) = mi.node { if nmis.len() == 1 { if let MetaItem(ref cfg_mi) = nmis[0].node { if cfg_mi.check_name("cfg") { if let ast::MetaItemKind::List(ref cfg_nmis) = cfg_mi.node { if cfg_nmis.len() == 1 { if let MetaItem(ref content_mi) = cfg_nmis[0].node { return Some(content_mi); } } } } } } } None } /// Reads a `MetaItem` from within an attribute, looks for whether it is a /// `#[doc(include="file")]`, and returns the filename and contents of the file as loaded from /// its expansion. fn extract_include(mi: &ast::MetaItem) -> Option<(String, String)> { mi.meta_item_list().and_then(|list| { for meta in list { if meta.check_name("include") { // the actual compiled `#[doc(include="filename")]` gets expanded to // `#[doc(include(file="filename", contents="file contents")]` so we need to // look for that instead return meta.meta_item_list().and_then(|list| { let mut filename: Option<String> = None; let mut contents: Option<String> = None; for it in list { if it.check_name("file") { if let Some(name) = it.value_str() { filename = Some(name.to_string()); } } else if it.check_name("contents") { if let Some(docs) = it.value_str() { contents = Some(docs.to_string()); } } } if let (Some(filename), Some(contents)) = (filename, contents) { Some((filename, contents)) } else { None } }); } } None }) } pub fn has_doc_flag(&self, flag: &str) -> bool { for attr in &self.other_attrs { if !attr.check_name("doc") { continue; } if let Some(items) = attr.meta_item_list() { if items.iter().filter_map(|i| i.meta_item()).any(|it| it.check_name(flag)) { return true; } } } false } pub fn from_ast(diagnostic: &::errors::Handler, attrs: &[ast::Attribute]) -> Attributes { let mut doc_strings = vec![]; let mut sp = None; let mut cfg = Cfg::True; let mut doc_line = 0; let other_attrs = attrs.iter().filter_map(|attr| { attr.with_desugared_doc(|attr| { if attr.check_name("doc") { if let Some(mi) = attr.meta() { if let Some(value) = mi.value_str() { // Extracted #[doc = "..."] let value = value.to_string(); let line = doc_line; doc_line += value.lines().count(); if attr.is_sugared_doc { doc_strings.push(DocFragment::SugaredDoc(line, attr.span, value)); } else { doc_strings.push(DocFragment::RawDoc(line, attr.span, value)); } if sp.is_none() { sp = Some(attr.span); } return None; } else if let Some(cfg_mi) = Attributes::extract_cfg(&mi) { // Extracted #[doc(cfg(...))] match Cfg::parse(cfg_mi) { Ok(new_cfg) => cfg &= new_cfg, Err(e) => diagnostic.span_err(e.span, e.msg), } return None; } else if let Some((filename, contents)) = Attributes::extract_include(&mi) { let line = doc_line; doc_line += contents.lines().count(); doc_strings.push(DocFragment::Include(line, attr.span, filename, contents)); } } } Some(attr.clone()) }) }).collect(); // treat #[target_feature(enable = "feat")] attributes as if they were // #[doc(cfg(target_feature = "feat"))] attributes as well for attr in attrs.lists("target_feature") { if attr.check_name("enable") { if let Some(feat) = attr.value_str() { let meta = attr::mk_name_value_item_str(Ident::from_str("target_feature"), dummy_spanned(feat)); if let Ok(feat_cfg) = Cfg::parse(&meta) { cfg &= feat_cfg; } } } } let inner_docs = attrs.iter() .filter(|a| a.check_name("doc")) .next() .map_or(true, |a| a.style == AttrStyle::Inner); Attributes { doc_strings, other_attrs, cfg: if cfg == Cfg::True { None } else { Some(Arc::new(cfg)) }, span: sp, links: vec![], inner_docs, } } /// Finds the `doc` attribute as a NameValue and returns the corresponding /// value found. pub fn doc_value<'a>(&'a self) -> Option<&'a str> { self.doc_strings.first().map(|s| s.as_str()) } /// Finds all `doc` attributes as NameValues and returns their corresponding values, joined /// with newlines. pub fn collapsed_doc_value(&self) -> Option<String> { if !self.doc_strings.is_empty() { Some(self.doc_strings.iter().collect()) } else { None } } /// Gets links as a vector /// /// Cache must be populated before call pub fn links(&self, krate: &CrateNum) -> Vec<(String, String)> { use crate::html::format::href; self.links.iter().filter_map(|&(ref s, did, ref fragment)| { match did { Some(did) => { if let Some((mut href, ..)) = href(did) { if let Some(ref fragment) = *fragment { href.push_str("#"); href.push_str(fragment); } Some((s.clone(), href)) } else { None } } None => { if let Some(ref fragment) = *fragment { let cache = cache(); let url = match cache.extern_locations.get(krate) { Some(&(_, ref src, ExternalLocation::Local)) => src.to_str().expect("invalid file path"), Some(&(_, _, ExternalLocation::Remote(ref s))) => s, Some(&(_, _, ExternalLocation::Unknown)) | None => "https://doc.rust-lang.org/nightly", }; // This is a primitive so the url is done "by hand". let tail = fragment.find('#').unwrap_or_else(|| fragment.len()); Some((s.clone(), format!("{}{}std/primitive.{}.html{}", url, if !url.ends_with('/') { "/" } else { "" }, &fragment[..tail], &fragment[tail..]))) } else { panic!("This isn't a primitive?!"); } } } }).collect() } } impl PartialEq for Attributes { fn eq(&self, rhs: &Self) -> bool { self.doc_strings == rhs.doc_strings && self.cfg == rhs.cfg && self.span == rhs.span && self.links == rhs.links && self.other_attrs.iter().map(|attr| attr.id).eq(rhs.other_attrs.iter().map(|attr| attr.id)) } } impl Eq for Attributes {} impl Hash for Attributes { fn hash<H: Hasher>(&self, hasher: &mut H) { self.doc_strings.hash(hasher); self.cfg.hash(hasher); self.span.hash(hasher); self.links.hash(hasher); for attr in &self.other_attrs { attr.id.hash(hasher); } } } impl AttributesExt for Attributes { fn lists<'a>(&'a self, name: &'a str) -> ListAttributesIter<'a> { self.other_attrs.lists(name) } } impl Clean<Attributes> for [ast::Attribute] { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Attributes { Attributes::from_ast(cx.sess().diagnostic(), self) } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum GenericBound { TraitBound(PolyTrait, hir::TraitBoundModifier), Outlives(Lifetime), } impl GenericBound { fn maybe_sized(cx: &DocContext<'_, '_, '_>) -> GenericBound { let did = cx.tcx.require_lang_item(lang_items::SizedTraitLangItem); let empty = cx.tcx.intern_substs(&[]); let path = external_path(cx, &cx.tcx.item_name(did).as_str(), Some(did), false, vec![], empty); inline::record_extern_fqn(cx, did, TypeKind::Trait); GenericBound::TraitBound(PolyTrait { trait_: ResolvedPath { path, typarams: None, did, is_generic: false, }, generic_params: Vec::new(), }, hir::TraitBoundModifier::Maybe) } fn is_sized_bound(&self, cx: &DocContext<'_, '_, '_>) -> bool { use rustc::hir::TraitBoundModifier as TBM; if let GenericBound::TraitBound(PolyTrait { ref trait_, .. }, TBM::None) = *self { if trait_.def_id() == cx.tcx.lang_items().sized_trait() { return true; } } false } fn get_poly_trait(&self) -> Option<PolyTrait> { if let GenericBound::TraitBound(ref p, _) = *self { return Some(p.clone()) } None } fn get_trait_type(&self) -> Option<Type> { if let GenericBound::TraitBound(PolyTrait { ref trait_, .. }, _) = *self { return Some(trait_.clone()); } None } } impl Clean<GenericBound> for hir::GenericBound { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericBound { match *self { hir::GenericBound::Outlives(lt) => GenericBound::Outlives(lt.clean(cx)), hir::GenericBound::Trait(ref t, modifier) => { GenericBound::TraitBound(t.clean(cx), modifier) } } } } fn external_generic_args(cx: &DocContext<'_, '_, '_>, trait_did: Option<DefId>, has_self: bool, bindings: Vec<TypeBinding>, substs: &Substs<'_>) -> GenericArgs { let lifetimes = substs.regions().filter_map(|v| v.clean(cx)).collect(); let types = substs.types().skip(has_self as usize).collect::<Vec<_>>(); match trait_did { // Attempt to sugar an external path like Fn<(A, B,), C> to Fn(A, B) -> C Some(did) if cx.tcx.lang_items().fn_trait_kind(did).is_some() => { assert_eq!(types.len(), 1); let inputs = match types[0].sty { ty::Tuple(ref tys) => tys.iter().map(|t| t.clean(cx)).collect(), _ => { return GenericArgs::AngleBracketed { lifetimes, types: types.clean(cx), bindings, } } }; let output = None; // FIXME(#20299) return type comes from a projection now // match types[1].sty { // ty::Tuple(ref v) if v.is_empty() => None, // -> () // _ => Some(types[1].clean(cx)) // }; GenericArgs::Parenthesized { inputs, output, } }, _ => { GenericArgs::AngleBracketed { lifetimes, types: types.clean(cx), bindings, } } } } // trait_did should be set to a trait's DefId if called on a TraitRef, in order to sugar // from Fn<(A, B,), C> to Fn(A, B) -> C fn external_path(cx: &DocContext<'_, '_, '_>, name: &str, trait_did: Option<DefId>, has_self: bool, bindings: Vec<TypeBinding>, substs: &Substs<'_>) -> Path { Path { global: false, def: Def::Err, segments: vec![PathSegment { name: name.to_string(), args: external_generic_args(cx, trait_did, has_self, bindings, substs) }], } } impl<'a, 'tcx> Clean<GenericBound> for (&'a ty::TraitRef<'tcx>, Vec<TypeBinding>) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericBound { let (trait_ref, ref bounds) = *self; inline::record_extern_fqn(cx, trait_ref.def_id, TypeKind::Trait); let path = external_path(cx, &cx.tcx.item_name(trait_ref.def_id).as_str(), Some(trait_ref.def_id), true, bounds.clone(), trait_ref.substs); debug!("ty::TraitRef\n subst: {:?}\n", trait_ref.substs); // collect any late bound regions let mut late_bounds = vec![]; for ty_s in trait_ref.input_types().skip(1) { if let ty::Tuple(ts) = ty_s.sty { for &ty_s in ts { if let ty::Ref(ref reg, _, _) = ty_s.sty { if let &ty::RegionKind::ReLateBound(..) = *reg { debug!(" hit an ReLateBound {:?}", reg); if let Some(Lifetime(name)) = reg.clean(cx) { late_bounds.push(GenericParamDef { name, kind: GenericParamDefKind::Lifetime, }); } } } } } } GenericBound::TraitBound( PolyTrait { trait_: ResolvedPath { path, typarams: None, did: trait_ref.def_id, is_generic: false, }, generic_params: late_bounds, }, hir::TraitBoundModifier::None ) } } impl<'tcx> Clean<GenericBound> for ty::TraitRef<'tcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericBound { (self, vec![]).clean(cx) } } impl<'tcx> Clean<Option<Vec<GenericBound>>> for Substs<'tcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<Vec<GenericBound>> { let mut v = Vec::new(); v.extend(self.regions().filter_map(|r| r.clean(cx)).map(GenericBound::Outlives)); v.extend(self.types().map(|t| GenericBound::TraitBound(PolyTrait { trait_: t.clean(cx), generic_params: Vec::new(), }, hir::TraitBoundModifier::None))); if !v.is_empty() {Some(v)} else {None} } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct Lifetime(String); impl Lifetime { pub fn get_ref<'a>(&'a self) -> &'a str { let Lifetime(ref s) = *self; let s: &'a str = s; s } pub fn statik() -> Lifetime { Lifetime("'static".to_string()) } } impl Clean<Lifetime> for hir::Lifetime { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Lifetime { if self.id != ast::DUMMY_NODE_ID { let def = cx.tcx.named_region(self.hir_id); match def { Some(rl::Region::EarlyBound(_, node_id, _)) | Some(rl::Region::LateBound(_, node_id, _)) | Some(rl::Region::Free(_, node_id)) => { if let Some(lt) = cx.lt_substs.borrow().get(&node_id).cloned() { return lt; } } _ => {} } } Lifetime(self.name.ident().to_string()) } } impl Clean<Lifetime> for hir::GenericParam { fn clean(&self, _: &DocContext<'_, '_, '_>) -> Lifetime { match self.kind { hir::GenericParamKind::Lifetime { .. } => { if self.bounds.len() > 0 { let mut bounds = self.bounds.iter().map(|bound| match bound { hir::GenericBound::Outlives(lt) => lt, _ => panic!(), }); let name = bounds.next().expect("no more bounds").name.ident(); let mut s = format!("{}: {}", self.name.ident(), name); for bound in bounds { s.push_str(&format!(" + {}", bound.name.ident())); } Lifetime(s) } else { Lifetime(self.name.ident().to_string()) } } _ => panic!(), } } } impl Clean<Constant> for hir::ConstArg { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Constant { Constant { type_: cx.tcx.type_of(cx.tcx.hir().body_owner_def_id(self.value.body)).clean(cx), expr: print_const_expr(cx, self.value.body), } } } impl<'tcx> Clean<Lifetime> for ty::GenericParamDef { fn clean(&self, _cx: &DocContext<'_, '_, '_>) -> Lifetime { Lifetime(self.name.to_string()) } } impl Clean<Option<Lifetime>> for ty::RegionKind { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<Lifetime> { match *self { ty::ReStatic => Some(Lifetime::statik()), ty::ReLateBound(_, ty::BrNamed(_, name)) => Some(Lifetime(name.to_string())), ty::ReEarlyBound(ref data) => Some(Lifetime(data.name.clean(cx))), ty::ReLateBound(..) | ty::ReFree(..) | ty::ReScope(..) | ty::ReVar(..) | ty::RePlaceholder(..) | ty::ReEmpty | ty::ReClosureBound(_) | ty::ReErased => { debug!("Cannot clean region {:?}", self); None } } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum WherePredicate { BoundPredicate { ty: Type, bounds: Vec<GenericBound> }, RegionPredicate { lifetime: Lifetime, bounds: Vec<GenericBound> }, EqPredicate { lhs: Type, rhs: Type }, } impl Clean<WherePredicate> for hir::WherePredicate { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> WherePredicate { match *self { hir::WherePredicate::BoundPredicate(ref wbp) => { WherePredicate::BoundPredicate { ty: wbp.bounded_ty.clean(cx), bounds: wbp.bounds.clean(cx) } } hir::WherePredicate::RegionPredicate(ref wrp) => { WherePredicate::RegionPredicate { lifetime: wrp.lifetime.clean(cx), bounds: wrp.bounds.clean(cx) } } hir::WherePredicate::EqPredicate(ref wrp) => { WherePredicate::EqPredicate { lhs: wrp.lhs_ty.clean(cx), rhs: wrp.rhs_ty.clean(cx) } } } } } impl<'a> Clean<Option<WherePredicate>> for ty::Predicate<'a> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<WherePredicate> { use rustc::ty::Predicate; match *self { Predicate::Trait(ref pred) => Some(pred.clean(cx)), Predicate::Subtype(ref pred) => Some(pred.clean(cx)), Predicate::RegionOutlives(ref pred) => pred.clean(cx), Predicate::TypeOutlives(ref pred) => pred.clean(cx), Predicate::Projection(ref pred) => Some(pred.clean(cx)), Predicate::WellFormed(..) | Predicate::ObjectSafe(..) | Predicate::ClosureKind(..) | Predicate::ConstEvaluatable(..) => panic!("not user writable"), } } } impl<'a> Clean<WherePredicate> for ty::TraitPredicate<'a> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> WherePredicate { WherePredicate::BoundPredicate { ty: self.trait_ref.self_ty().clean(cx), bounds: vec![self.trait_ref.clean(cx)] } } } impl<'tcx> Clean<WherePredicate> for ty::SubtypePredicate<'tcx> { fn clean(&self, _cx: &DocContext<'_, '_, '_>) -> WherePredicate { panic!("subtype predicates are an internal rustc artifact \ and should not be seen by rustdoc") } } impl<'tcx> Clean<Option<WherePredicate>> for ty::OutlivesPredicate<ty::Region<'tcx>,ty::Region<'tcx>> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<WherePredicate> { let ty::OutlivesPredicate(ref a, ref b) = *self; match (a, b) { (ty::ReEmpty, ty::ReEmpty) => { return None; }, _ => {} } Some(WherePredicate::RegionPredicate { lifetime: a.clean(cx).expect("failed to clean lifetime"), bounds: vec![GenericBound::Outlives(b.clean(cx).expect("failed to clean bounds"))] }) } } impl<'tcx> Clean<Option<WherePredicate>> for ty::OutlivesPredicate<Ty<'tcx>, ty::Region<'tcx>> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<WherePredicate> { let ty::OutlivesPredicate(ref ty, ref lt) = *self; match lt { ty::ReEmpty => return None, _ => {} } Some(WherePredicate::BoundPredicate { ty: ty.clean(cx), bounds: vec![GenericBound::Outlives(lt.clean(cx).expect("failed to clean lifetimes"))] }) } } impl<'tcx> Clean<WherePredicate> for ty::ProjectionPredicate<'tcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> WherePredicate { WherePredicate::EqPredicate { lhs: self.projection_ty.clean(cx), rhs: self.ty.clean(cx) } } } impl<'tcx> Clean<Type> for ty::ProjectionTy<'tcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Type { let trait_ = match self.trait_ref(cx.tcx).clean(cx) { GenericBound::TraitBound(t, _) => t.trait_, GenericBound::Outlives(_) => panic!("cleaning a trait got a lifetime"), }; Type::QPath { name: cx.tcx.associated_item(self.item_def_id).ident.name.clean(cx), self_type: box self.self_ty().clean(cx), trait_: box trait_ } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum GenericParamDefKind { Lifetime, Type { did: DefId, bounds: Vec<GenericBound>, default: Option<Type>, synthetic: Option<hir::SyntheticTyParamKind>, }, Const { did: DefId, ty: Type, }, } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct GenericParamDef { pub name: String, pub kind: GenericParamDefKind, } impl GenericParamDef { pub fn is_synthetic_type_param(&self) -> bool { match self.kind { GenericParamDefKind::Lifetime | GenericParamDefKind::Const { .. } => { false } GenericParamDefKind::Type { ref synthetic, .. } => synthetic.is_some(), } } } impl<'tcx> Clean<GenericParamDef> for ty::GenericParamDef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericParamDef { let (name, kind) = match self.kind { ty::GenericParamDefKind::Lifetime => { (self.name.to_string(), GenericParamDefKind::Lifetime) } ty::GenericParamDefKind::Type { has_default, .. } => { cx.renderinfo.borrow_mut().external_typarams .insert(self.def_id, self.name.clean(cx)); let default = if has_default { Some(cx.tcx.type_of(self.def_id).clean(cx)) } else { None }; (self.name.clean(cx), GenericParamDefKind::Type { did: self.def_id, bounds: vec![], // These are filled in from the where-clauses. default, synthetic: None, }) } }; GenericParamDef { name, kind, } } } impl Clean<GenericParamDef> for hir::GenericParam { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericParamDef { let (name, kind) = match self.kind { hir::GenericParamKind::Lifetime { .. } => { let name = if self.bounds.len() > 0 { let mut bounds = self.bounds.iter().map(|bound| match bound { hir::GenericBound::Outlives(lt) => lt, _ => panic!(), }); let name = bounds.next().expect("no more bounds").name.ident(); let mut s = format!("{}: {}", self.name.ident(), name); for bound in bounds { s.push_str(&format!(" + {}", bound.name.ident())); } s } else { self.name.ident().to_string() }; (name, GenericParamDefKind::Lifetime) } hir::GenericParamKind::Type { ref default, synthetic } => { (self.name.ident().name.clean(cx), GenericParamDefKind::Type { did: cx.tcx.hir().local_def_id(self.id), bounds: self.bounds.clean(cx), default: default.clean(cx), synthetic: synthetic, }) } hir::GenericParamKind::Const { ref ty } => { (self.name.ident().name.clean(cx), GenericParamDefKind::Const { did: cx.tcx.hir().local_def_id(self.id), ty: ty.clean(cx), }) } }; GenericParamDef { name, kind, } } } // maybe use a Generic enum and use Vec<Generic>? #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Default, Hash)] pub struct Generics { pub params: Vec<GenericParamDef>, pub where_predicates: Vec<WherePredicate>, } impl Clean<Generics> for hir::Generics { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Generics { // Synthetic type-parameters are inserted after normal ones. // In order for normal parameters to be able to refer to synthetic ones, // scans them first. fn is_impl_trait(param: &hir::GenericParam) -> bool { match param.kind { hir::GenericParamKind::Type { synthetic, .. } => { synthetic == Some(hir::SyntheticTyParamKind::ImplTrait) } _ => false, } } let impl_trait_params = self.params .iter() .filter(|param| is_impl_trait(param)) .map(|param| { let param: GenericParamDef = param.clean(cx); match param.kind { GenericParamDefKind::Lifetime => unreachable!(), GenericParamDefKind::Type { did, ref bounds, .. } => { cx.impl_trait_bounds.borrow_mut().insert(did, bounds.clone()); } GenericParamDefKind::Const { .. } => unreachable!(), } param }) .collect::<Vec<_>>(); let mut params = Vec::with_capacity(self.params.len()); for p in self.params.iter().filter(|p| !is_impl_trait(p)) { let p = p.clean(cx); params.push(p); } params.extend(impl_trait_params); let mut generics = Generics { params, where_predicates: self.where_clause.predicates.clean(cx), }; // Some duplicates are generated for ?Sized bounds between type params and where // predicates. The point in here is to move the bounds definitions from type params // to where predicates when such cases occur. for where_pred in &mut generics.where_predicates { match *where_pred { WherePredicate::BoundPredicate { ty: Generic(ref name), ref mut bounds } => { if bounds.is_empty() { for param in &mut generics.params { match param.kind { GenericParamDefKind::Lifetime => {} GenericParamDefKind::Type { bounds: ref mut ty_bounds, .. } => { if &param.name == name { mem::swap(bounds, ty_bounds); break } } GenericParamDefKind::Const { .. } => {} } } } } _ => continue, } } generics } } impl<'a, 'tcx> Clean<Generics> for (&'a ty::Generics, &'a Lrc<ty::GenericPredicates<'tcx>>) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Generics { use self::WherePredicate as WP; let (gens, preds) = *self; // Bounds in the type_params and lifetimes fields are repeated in the // predicates field (see rustc_typeck::collect::ty_generics), so remove // them. let stripped_typarams = gens.params.iter().filter_map(|param| match param.kind { ty::GenericParamDefKind::Lifetime => None, ty::GenericParamDefKind::Type { .. } => { if param.name == keywords::SelfUpper.name().as_str() { assert_eq!(param.index, 0); return None; } Some(param.clean(cx)) } }).collect::<Vec<GenericParamDef>>(); let mut where_predicates = preds.predicates.iter() .flat_map(|(p, _)| p.clean(cx)) .collect::<Vec<_>>(); // Type parameters and have a Sized bound by default unless removed with // ?Sized. Scan through the predicates and mark any type parameter with // a Sized bound, removing the bounds as we find them. // // Note that associated types also have a sized bound by default, but we // don't actually know the set of associated types right here so that's // handled in cleaning associated types let mut sized_params = FxHashSet::default(); where_predicates.retain(|pred| { match *pred { WP::BoundPredicate { ty: Generic(ref g), ref bounds } => { if bounds.iter().any(|b| b.is_sized_bound(cx)) { sized_params.insert(g.clone()); false } else { true } } _ => true, } }); // Run through the type parameters again and insert a ?Sized // unbound for any we didn't find to be Sized. for tp in &stripped_typarams { if !sized_params.contains(&tp.name) { where_predicates.push(WP::BoundPredicate { ty: Type::Generic(tp.name.clone()), bounds: vec![GenericBound::maybe_sized(cx)], }) } } // It would be nice to collect all of the bounds on a type and recombine // them if possible, to avoid e.g., `where T: Foo, T: Bar, T: Sized, T: 'a` // and instead see `where T: Foo + Bar + Sized + 'a` Generics { params: gens.params .iter() .flat_map(|param| match param.kind { ty::GenericParamDefKind::Lifetime => Some(param.clean(cx)), ty::GenericParamDefKind::Type { .. } => None, }).chain(simplify::ty_params(stripped_typarams).into_iter()) .collect(), where_predicates: simplify::where_clauses(cx, where_predicates), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Method { pub generics: Generics, pub decl: FnDecl, pub header: hir::FnHeader, } impl<'a> Clean<Method> for (&'a hir::MethodSig, &'a hir::Generics, hir::BodyId) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Method { let (generics, decl) = enter_impl_trait(cx, || { (self.1.clean(cx), (&*self.0.decl, self.2).clean(cx)) }); Method { decl, generics, header: self.0.header, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct TyMethod { pub header: hir::FnHeader, pub decl: FnDecl, pub generics: Generics, } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Function { pub decl: FnDecl, pub generics: Generics, pub header: hir::FnHeader, } impl Clean<Item> for doctree::Function { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let (generics, decl) = enter_impl_trait(cx, || { (self.generics.clean(cx), (&self.decl, self.body).clean(cx)) }); let did = cx.tcx.hir().local_def_id(self.id); let constness = if cx.tcx.is_min_const_fn(did) { hir::Constness::Const } else { hir::Constness::NotConst }; Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), def_id: did, inner: FunctionItem(Function { decl, generics, header: hir::FnHeader { constness, ..self.header }, }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct FnDecl { pub inputs: Arguments, pub output: FunctionRetTy, pub variadic: bool, pub attrs: Attributes, } impl FnDecl { pub fn self_type(&self) -> Option<SelfTy> { self.inputs.values.get(0).and_then(|v| v.to_self()) } /// Returns the sugared return type for an async function. /// /// For example, if the return type is `impl std::future::Future<Output = i32>`, this function /// will return `i32`. /// /// # Panics /// /// This function will panic if the return type does not match the expected sugaring for async /// functions. pub fn sugared_async_return_type(&self) -> FunctionRetTy { match &self.output { FunctionRetTy::Return(Type::ImplTrait(bounds)) => { match &bounds[0] { GenericBound::TraitBound(PolyTrait { trait_, .. }, ..) => { let bindings = trait_.bindings().unwrap(); FunctionRetTy::Return(bindings[0].ty.clone()) } _ => panic!("unexpected desugaring of async function"), } } _ => panic!("unexpected desugaring of async function"), } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct Arguments { pub values: Vec<Argument>, } impl<'a> Clean<Arguments> for (&'a [hir::Ty], &'a [ast::Ident]) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Arguments { Arguments { values: self.0.iter().enumerate().map(|(i, ty)| { let mut name = self.1.get(i).map(|ident| ident.to_string()) .unwrap_or(String::new()); if name.is_empty() { name = "_".to_string(); } Argument { name, type_: ty.clean(cx), } }).collect() } } } impl<'a> Clean<Arguments> for (&'a [hir::Ty], hir::BodyId) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Arguments { let body = cx.tcx.hir().body(self.1); Arguments { values: self.0.iter().enumerate().map(|(i, ty)| { Argument { name: name_from_pat(&body.arguments[i].pat), type_: ty.clean(cx), } }).collect() } } } impl<'a, A: Copy> Clean<FnDecl> for (&'a hir::FnDecl, A) where (&'a [hir::Ty], A): Clean<Arguments> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> FnDecl { FnDecl { inputs: (&self.0.inputs[..], self.1).clean(cx), output: self.0.output.clean(cx), variadic: self.0.variadic, attrs: Attributes::default() } } } impl<'a, 'tcx> Clean<FnDecl> for (DefId, ty::PolyFnSig<'tcx>) { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> FnDecl { let (did, sig) = *self; let mut names = if cx.tcx.hir().as_local_node_id(did).is_some() { vec![].into_iter() } else { cx.tcx.fn_arg_names(did).into_iter() }; FnDecl { output: Return(sig.skip_binder().output().clean(cx)), attrs: Attributes::default(), variadic: sig.skip_binder().variadic, inputs: Arguments { values: sig.skip_binder().inputs().iter().map(|t| { Argument { type_: t.clean(cx), name: names.next().map_or(String::new(), |name| name.to_string()), } }).collect(), }, } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct Argument { pub type_: Type, pub name: String, } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Debug)] pub enum SelfTy { SelfValue, SelfBorrowed(Option<Lifetime>, Mutability), SelfExplicit(Type), } impl Argument { pub fn to_self(&self) -> Option<SelfTy> { if self.name != "self" { return None; } if self.type_.is_self_type() { return Some(SelfValue); } match self.type_ { BorrowedRef{ref lifetime, mutability, ref type_} if type_.is_self_type() => { Some(SelfBorrowed(lifetime.clone(), mutability)) } _ => Some(SelfExplicit(self.type_.clone())) } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum FunctionRetTy { Return(Type), DefaultReturn, } impl Clean<FunctionRetTy> for hir::FunctionRetTy { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> FunctionRetTy { match *self { hir::Return(ref typ) => Return(typ.clean(cx)), hir::DefaultReturn(..) => DefaultReturn, } } } impl GetDefId for FunctionRetTy { fn def_id(&self) -> Option<DefId> { match *self { Return(ref ty) => ty.def_id(), DefaultReturn => None, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Trait { pub auto: bool, pub unsafety: hir::Unsafety, pub items: Vec<Item>, pub generics: Generics, pub bounds: Vec<GenericBound>, pub is_spotlight: bool, pub is_auto: bool, } impl Clean<Item> for doctree::Trait { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let attrs = self.attrs.clean(cx); let is_spotlight = attrs.has_doc_flag("spotlight"); Item { name: Some(self.name.clean(cx)), attrs: attrs, source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: TraitItem(Trait { auto: self.is_auto.clean(cx), unsafety: self.unsafety, items: self.items.clean(cx), generics: self.generics.clean(cx), bounds: self.bounds.clean(cx), is_spotlight, is_auto: self.is_auto.clean(cx), }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct TraitAlias { pub generics: Generics, pub bounds: Vec<GenericBound>, } impl Clean<Item> for doctree::TraitAlias { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let attrs = self.attrs.clean(cx); Item { name: Some(self.name.clean(cx)), attrs, source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: TraitAliasItem(TraitAlias { generics: self.generics.clean(cx), bounds: self.bounds.clean(cx), }), } } } impl Clean<bool> for hir::IsAuto { fn clean(&self, _: &DocContext<'_, '_, '_>) -> bool { match *self { hir::IsAuto::Yes => true, hir::IsAuto::No => false, } } } impl Clean<Type> for hir::TraitRef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Type { resolve_type(cx, self.path.clean(cx), self.ref_id) } } impl Clean<PolyTrait> for hir::PolyTraitRef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> PolyTrait { PolyTrait { trait_: self.trait_ref.clean(cx), generic_params: self.bound_generic_params.clean(cx) } } } impl Clean<Item> for hir::TraitItem { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let inner = match self.node { hir::TraitItemKind::Const(ref ty, default) => { AssociatedConstItem(ty.clean(cx), default.map(|e| print_const_expr(cx, e))) } hir::TraitItemKind::Method(ref sig, hir::TraitMethod::Provided(body)) => { MethodItem((sig, &self.generics, body).clean(cx)) } hir::TraitItemKind::Method(ref sig, hir::TraitMethod::Required(ref names)) => { let (generics, decl) = enter_impl_trait(cx, || { (self.generics.clean(cx), (&*sig.decl, &names[..]).clean(cx)) }); TyMethodItem(TyMethod { header: sig.header, decl, generics, }) } hir::TraitItemKind::Type(ref bounds, ref default) => { AssociatedTypeItem(bounds.clean(cx), default.clean(cx)) } }; Item { name: Some(self.ident.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.span.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: None, stability: get_stability(cx, cx.tcx.hir().local_def_id(self.id)), deprecation: get_deprecation(cx, cx.tcx.hir().local_def_id(self.id)), inner, } } } impl Clean<Item> for hir::ImplItem { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let inner = match self.node { hir::ImplItemKind::Const(ref ty, expr) => { AssociatedConstItem(ty.clean(cx), Some(print_const_expr(cx, expr))) } hir::ImplItemKind::Method(ref sig, body) => { MethodItem((sig, &self.generics, body).clean(cx)) } hir::ImplItemKind::Type(ref ty) => TypedefItem(Typedef { type_: ty.clean(cx), generics: Generics::default(), }, true), hir::ImplItemKind::Existential(ref bounds) => ExistentialItem(Existential { bounds: bounds.clean(cx), generics: Generics::default(), }, true), }; Item { name: Some(self.ident.name.clean(cx)), source: self.span.clean(cx), attrs: self.attrs.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: get_stability(cx, cx.tcx.hir().local_def_id(self.id)), deprecation: get_deprecation(cx, cx.tcx.hir().local_def_id(self.id)), inner, } } } impl<'tcx> Clean<Item> for ty::AssociatedItem { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let inner = match self.kind { ty::AssociatedKind::Const => { let ty = cx.tcx.type_of(self.def_id); let default = if self.defaultness.has_value() { Some(inline::print_inlined_const(cx, self.def_id)) } else { None }; AssociatedConstItem(ty.clean(cx), default) } ty::AssociatedKind::Method => { let generics = (cx.tcx.generics_of(self.def_id), &cx.tcx.predicates_of(self.def_id)).clean(cx); let sig = cx.tcx.fn_sig(self.def_id); let mut decl = (self.def_id, sig).clean(cx); if self.method_has_self_argument { let self_ty = match self.container { ty::ImplContainer(def_id) => { cx.tcx.type_of(def_id) } ty::TraitContainer(_) => cx.tcx.mk_self_type() }; let self_arg_ty = *sig.input(0).skip_binder(); if self_arg_ty == self_ty { decl.inputs.values[0].type_ = Generic(String::from("Self")); } else if let ty::Ref(_, ty, _) = self_arg_ty.sty { if ty == self_ty { match decl.inputs.values[0].type_ { BorrowedRef{ref mut type_, ..} => { **type_ = Generic(String::from("Self")) } _ => unreachable!(), } } } } let provided = match self.container { ty::ImplContainer(_) => true, ty::TraitContainer(_) => self.defaultness.has_value() }; if provided { let constness = if cx.tcx.is_min_const_fn(self.def_id) { hir::Constness::Const } else { hir::Constness::NotConst }; MethodItem(Method { generics, decl, header: hir::FnHeader { unsafety: sig.unsafety(), abi: sig.abi(), constness, asyncness: hir::IsAsync::NotAsync, } }) } else { TyMethodItem(TyMethod { generics, decl, header: hir::FnHeader { unsafety: sig.unsafety(), abi: sig.abi(), constness: hir::Constness::NotConst, asyncness: hir::IsAsync::NotAsync, } }) } } ty::AssociatedKind::Type => { let my_name = self.ident.name.clean(cx); if let ty::TraitContainer(did) = self.container { // When loading a cross-crate associated type, the bounds for this type // are actually located on the trait/impl itself, so we need to load // all of the generics from there and then look for bounds that are // applied to this associated type in question. let predicates = cx.tcx.predicates_of(did); let generics = (cx.tcx.generics_of(did), &predicates).clean(cx); let mut bounds = generics.where_predicates.iter().filter_map(|pred| { let (name, self_type, trait_, bounds) = match *pred { WherePredicate::BoundPredicate { ty: QPath { ref name, ref self_type, ref trait_ }, ref bounds } => (name, self_type, trait_, bounds), _ => return None, }; if *name != my_name { return None } match **trait_ { ResolvedPath { did, .. } if did == self.container.id() => {} _ => return None, } match **self_type { Generic(ref s) if *s == "Self" => {} _ => return None, } Some(bounds) }).flat_map(|i| i.iter().cloned()).collect::<Vec<_>>(); // Our Sized/?Sized bound didn't get handled when creating the generics // because we didn't actually get our whole set of bounds until just now // (some of them may have come from the trait). If we do have a sized // bound, we remove it, and if we don't then we add the `?Sized` bound // at the end. match bounds.iter().position(|b| b.is_sized_bound(cx)) { Some(i) => { bounds.remove(i); } None => bounds.push(GenericBound::maybe_sized(cx)), } let ty = if self.defaultness.has_value() { Some(cx.tcx.type_of(self.def_id)) } else { None }; AssociatedTypeItem(bounds, ty.clean(cx)) } else { TypedefItem(Typedef { type_: cx.tcx.type_of(self.def_id).clean(cx), generics: Generics { params: Vec::new(), where_predicates: Vec::new(), }, }, true) } } ty::AssociatedKind::Existential => unimplemented!(), }; let visibility = match self.container { ty::ImplContainer(_) => self.vis.clean(cx), ty::TraitContainer(_) => None, }; Item { name: Some(self.ident.name.clean(cx)), visibility, stability: get_stability(cx, self.def_id), deprecation: get_deprecation(cx, self.def_id), def_id: self.def_id, attrs: inline::load_attrs(cx, self.def_id), source: cx.tcx.def_span(self.def_id).clean(cx), inner, } } } /// A trait reference, which may have higher ranked lifetimes. #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct PolyTrait { pub trait_: Type, pub generic_params: Vec<GenericParamDef>, } /// A representation of a Type suitable for hyperlinking purposes. Ideally one can get the original /// type out of the AST/TyCtxt given one of these, if more information is needed. Most importantly /// it does not preserve mutability or boxes. #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum Type { /// Structs/enums/traits (most that'd be an `hir::TyKind::Path`). ResolvedPath { path: Path, typarams: Option<Vec<GenericBound>>, did: DefId, /// `true` if is a `T::Name` path for associated types. is_generic: bool, }, /// For parameterized types, so the consumer of the JSON don't go /// looking for types which don't exist anywhere. Generic(String), /// Primitives are the fixed-size numeric types (plus int/usize/float), char, /// arrays, slices, and tuples. Primitive(PrimitiveType), /// extern "ABI" fn BareFunction(Box<BareFunctionDecl>), Tuple(Vec<Type>), Slice(Box<Type>), Array(Box<Type>, String), Never, Unique(Box<Type>), RawPointer(Mutability, Box<Type>), BorrowedRef { lifetime: Option<Lifetime>, mutability: Mutability, type_: Box<Type>, }, // <Type as Trait>::Name QPath { name: String, self_type: Box<Type>, trait_: Box<Type> }, // _ Infer, // impl TraitA+TraitB ImplTrait(Vec<GenericBound>), } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Hash, Copy, Debug)] pub enum PrimitiveType { Isize, I8, I16, I32, I64, I128, Usize, U8, U16, U32, U64, U128, F32, F64, Char, Bool, Str, Slice, Array, Tuple, Unit, RawPointer, Reference, Fn, Never, } #[derive(Clone, RustcEncodable, RustcDecodable, Copy, Debug)] pub enum TypeKind { Enum, Function, Module, Const, Static, Struct, Union, Trait, Variant, Typedef, Foreign, Macro, Attr, Derive, TraitAlias, } pub trait GetDefId { fn def_id(&self) -> Option<DefId>; } impl<T: GetDefId> GetDefId for Option<T> { fn def_id(&self) -> Option<DefId> { self.as_ref().and_then(|d| d.def_id()) } } impl Type { pub fn primitive_type(&self) -> Option<PrimitiveType> { match *self { Primitive(p) | BorrowedRef { type_: box Primitive(p), ..} => Some(p), Slice(..) | BorrowedRef { type_: box Slice(..), .. } => Some(PrimitiveType::Slice), Array(..) | BorrowedRef { type_: box Array(..), .. } => Some(PrimitiveType::Array), Tuple(ref tys) => if tys.is_empty() { Some(PrimitiveType::Unit) } else { Some(PrimitiveType::Tuple) }, RawPointer(..) => Some(PrimitiveType::RawPointer), BorrowedRef { type_: box Generic(..), .. } => Some(PrimitiveType::Reference), BareFunction(..) => Some(PrimitiveType::Fn), Never => Some(PrimitiveType::Never), _ => None, } } pub fn is_generic(&self) -> bool { match *self { ResolvedPath { is_generic, .. } => is_generic, _ => false, } } pub fn is_self_type(&self) -> bool { match *self { Generic(ref name) => name == "Self", _ => false } } pub fn generics(&self) -> Option<&[Type]> { match *self { ResolvedPath { ref path, .. } => { path.segments.last().and_then(|seg| { if let GenericArgs::AngleBracketed { ref types, .. } = seg.args { Some(&**types) } else { None } }) } _ => None, } } pub fn bindings(&self) -> Option<&[TypeBinding]> { match *self { ResolvedPath { ref path, .. } => { path.segments.last().and_then(|seg| { if let GenericArgs::AngleBracketed { ref bindings, .. } = seg.args { Some(&**bindings) } else { None } }) } _ => None } } } impl GetDefId for Type { fn def_id(&self) -> Option<DefId> { match *self { ResolvedPath { did, .. } => Some(did), Primitive(p) => crate::html::render::cache().primitive_locations.get(&p).cloned(), BorrowedRef { type_: box Generic(..), .. } => Primitive(PrimitiveType::Reference).def_id(), BorrowedRef { ref type_, .. } => type_.def_id(), Tuple(ref tys) => if tys.is_empty() { Primitive(PrimitiveType::Unit).def_id() } else { Primitive(PrimitiveType::Tuple).def_id() }, BareFunction(..) => Primitive(PrimitiveType::Fn).def_id(), Never => Primitive(PrimitiveType::Never).def_id(), Slice(..) => Primitive(PrimitiveType::Slice).def_id(), Array(..) => Primitive(PrimitiveType::Array).def_id(), RawPointer(..) => Primitive(PrimitiveType::RawPointer).def_id(), QPath { ref self_type, .. } => self_type.def_id(), _ => None, } } } impl PrimitiveType { fn from_str(s: &str) -> Option<PrimitiveType> { match s { "isize" => Some(PrimitiveType::Isize), "i8" => Some(PrimitiveType::I8), "i16" => Some(PrimitiveType::I16), "i32" => Some(PrimitiveType::I32), "i64" => Some(PrimitiveType::I64), "i128" => Some(PrimitiveType::I128), "usize" => Some(PrimitiveType::Usize), "u8" => Some(PrimitiveType::U8), "u16" => Some(PrimitiveType::U16), "u32" => Some(PrimitiveType::U32), "u64" => Some(PrimitiveType::U64), "u128" => Some(PrimitiveType::U128), "bool" => Some(PrimitiveType::Bool), "char" => Some(PrimitiveType::Char), "str" => Some(PrimitiveType::Str), "f32" => Some(PrimitiveType::F32), "f64" => Some(PrimitiveType::F64), "array" => Some(PrimitiveType::Array), "slice" => Some(PrimitiveType::Slice), "tuple" => Some(PrimitiveType::Tuple), "unit" => Some(PrimitiveType::Unit), "pointer" => Some(PrimitiveType::RawPointer), "reference" => Some(PrimitiveType::Reference), "fn" => Some(PrimitiveType::Fn), "never" => Some(PrimitiveType::Never), _ => None, } } pub fn as_str(&self) -> &'static str { use self::PrimitiveType::*; match *self { Isize => "isize", I8 => "i8", I16 => "i16", I32 => "i32", I64 => "i64", I128 => "i128", Usize => "usize", U8 => "u8", U16 => "u16", U32 => "u32", U64 => "u64", U128 => "u128", F32 => "f32", F64 => "f64", Str => "str", Bool => "bool", Char => "char", Array => "array", Slice => "slice", Tuple => "tuple", Unit => "unit", RawPointer => "pointer", Reference => "reference", Fn => "fn", Never => "never", } } pub fn to_url_str(&self) -> &'static str { self.as_str() } } impl From<ast::IntTy> for PrimitiveType { fn from(int_ty: ast::IntTy) -> PrimitiveType { match int_ty { ast::IntTy::Isize => PrimitiveType::Isize, ast::IntTy::I8 => PrimitiveType::I8, ast::IntTy::I16 => PrimitiveType::I16, ast::IntTy::I32 => PrimitiveType::I32, ast::IntTy::I64 => PrimitiveType::I64, ast::IntTy::I128 => PrimitiveType::I128, } } } impl From<ast::UintTy> for PrimitiveType { fn from(uint_ty: ast::UintTy) -> PrimitiveType { match uint_ty { ast::UintTy::Usize => PrimitiveType::Usize, ast::UintTy::U8 => PrimitiveType::U8, ast::UintTy::U16 => PrimitiveType::U16, ast::UintTy::U32 => PrimitiveType::U32, ast::UintTy::U64 => PrimitiveType::U64, ast::UintTy::U128 => PrimitiveType::U128, } } } impl From<ast::FloatTy> for PrimitiveType { fn from(float_ty: ast::FloatTy) -> PrimitiveType { match float_ty { ast::FloatTy::F32 => PrimitiveType::F32, ast::FloatTy::F64 => PrimitiveType::F64, } } } impl Clean<Type> for hir::Ty { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Type { use rustc::hir::*; match self.node { TyKind::Never => Never, TyKind::Ptr(ref m) => RawPointer(m.mutbl.clean(cx), box m.ty.clean(cx)), TyKind::Rptr(ref l, ref m) => { let lifetime = if l.is_elided() { None } else { Some(l.clean(cx)) }; BorrowedRef {lifetime: lifetime, mutability: m.mutbl.clean(cx), type_: box m.ty.clean(cx)} } TyKind::Slice(ref ty) => Slice(box ty.clean(cx)), TyKind::Array(ref ty, ref length) => { let def_id = cx.tcx.hir().local_def_id(length.id); let param_env = cx.tcx.param_env(def_id); let substs = Substs::identity_for_item(cx.tcx, def_id); let cid = GlobalId { instance: ty::Instance::new(def_id, substs), promoted: None }; let length = match cx.tcx.const_eval(param_env.and(cid)) { Ok(length) => print_const(cx, ty::LazyConst::Evaluated(length)), Err(_) => "_".to_string(), }; Array(box ty.clean(cx), length) }, TyKind::Tup(ref tys) => Tuple(tys.clean(cx)), TyKind::Def(item_id, _) => { let item = cx.tcx.hir().expect_item(item_id.id); if let hir::ItemKind::Existential(ref ty) = item.node { ImplTrait(ty.bounds.clean(cx)) } else { unreachable!() } } TyKind::Path(hir::QPath::Resolved(None, ref path)) => { if let Some(new_ty) = cx.ty_substs.borrow().get(&path.def).cloned() { return new_ty; } if let Def::TyParam(did) = path.def { if let Some(bounds) = cx.impl_trait_bounds.borrow_mut().remove(&did) { return ImplTrait(bounds); } } let mut alias = None; if let Def::TyAlias(def_id) = path.def { // Substitute private type aliases if let Some(hir_id) = cx.tcx.hir().as_local_hir_id(def_id) { if !cx.renderinfo.borrow().access_levels.is_exported(def_id) { alias = Some(&cx.tcx.hir().expect_item_by_hir_id(hir_id).node); } } }; if let Some(&hir::ItemKind::Ty(ref ty, ref generics)) = alias { let provided_params = &path.segments.last().expect("segments were empty"); let mut ty_substs = FxHashMap::default(); let mut lt_substs = FxHashMap::default(); let mut const_substs = FxHashMap::default(); provided_params.with_generic_args(|generic_args| { let mut indices: GenericParamCount = Default::default(); for param in generics.params.iter() { match param.kind { hir::GenericParamKind::Lifetime { .. } => { let mut j = 0; let lifetime = generic_args.args.iter().find_map(|arg| { match arg { hir::GenericArg::Lifetime(lt) => { if indices.lifetimes == j { return Some(lt); } j += 1; None } _ => None, } }); if let Some(lt) = lifetime.cloned() { if !lt.is_elided() { let lt_def_id = cx.tcx.hir().local_def_id(param.id); lt_substs.insert(lt_def_id, lt.clean(cx)); } } indices.lifetimes += 1; } hir::GenericParamKind::Type { ref default, .. } => { let ty_param_def = Def::TyParam(cx.tcx.hir().local_def_id(param.id)); let mut j = 0; let type_ = generic_args.args.iter().find_map(|arg| { match arg { hir::GenericArg::Type(ty) => { if indices.types == j { return Some(ty); } j += 1; None } _ => None, } }); if let Some(ty) = type_.cloned() { ty_substs.insert(ty_param_def, ty.clean(cx)); } else if let Some(default) = default.clone() { ty_substs.insert(ty_param_def, default.into_inner().clean(cx)); } indices.types += 1; } hir::GenericParamKind::Const { .. } => { let const_param_def = Def::ConstParam(cx.tcx.hir().local_def_id(param.id)); let mut j = 0; let const_ = generic_args.args.iter().find_map(|arg| { match arg { hir::GenericArg::Const(ct) => { if indices.consts == j { return Some(ct); } j += 1; None } _ => None, } }); if let Some(ct) = const_.cloned() { const_substs.insert(const_param_def, ct.clean(cx)); } // FIXME(const_generics:defaults) indices.consts += 1; } } } }); return cx.enter_alias(ty_substs, lt_substs, const_substs, || ty.clean(cx)); } resolve_type(cx, path.clean(cx), self.id) } TyKind::Path(hir::QPath::Resolved(Some(ref qself), ref p)) => { let mut segments: Vec<_> = p.segments.clone().into(); segments.pop(); let trait_path = hir::Path { span: p.span, def: Def::Trait(cx.tcx.associated_item(p.def.def_id()).container.id()), segments: segments.into(), }; Type::QPath { name: p.segments.last().expect("segments were empty").ident.name.clean(cx), self_type: box qself.clean(cx), trait_: box resolve_type(cx, trait_path.clean(cx), self.id) } } TyKind::Path(hir::QPath::TypeRelative(ref qself, ref segment)) => { let mut def = Def::Err; let ty = hir_ty_to_ty(cx.tcx, self); if let ty::Projection(proj) = ty.sty { def = Def::Trait(proj.trait_ref(cx.tcx).def_id); } let trait_path = hir::Path { span: self.span, def, segments: vec![].into(), }; Type::QPath { name: segment.ident.name.clean(cx), self_type: box qself.clean(cx), trait_: box resolve_type(cx, trait_path.clean(cx), self.id) } } TyKind::TraitObject(ref bounds, ref lifetime) => { match bounds[0].clean(cx).trait_ { ResolvedPath { path, typarams: None, did, is_generic } => { let mut bounds: Vec<self::GenericBound> = bounds[1..].iter().map(|bound| { self::GenericBound::TraitBound(bound.clean(cx), hir::TraitBoundModifier::None) }).collect(); if !lifetime.is_elided() { bounds.push(self::GenericBound::Outlives(lifetime.clean(cx))); } ResolvedPath { path, typarams: Some(bounds), did, is_generic, } } _ => Infer // shouldn't happen } } TyKind::BareFn(ref barefn) => BareFunction(box barefn.clean(cx)), TyKind::Infer | TyKind::Err => Infer, TyKind::Typeof(..) => panic!("Unimplemented type {:?}", self.node), } } } impl<'tcx> Clean<Type> for Ty<'tcx> { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Type { match self.sty { ty::Never => Never, ty::Bool => Primitive(PrimitiveType::Bool), ty::Char => Primitive(PrimitiveType::Char), ty::Int(int_ty) => Primitive(int_ty.into()), ty::Uint(uint_ty) => Primitive(uint_ty.into()), ty::Float(float_ty) => Primitive(float_ty.into()), ty::Str => Primitive(PrimitiveType::Str), ty::Slice(ty) => Slice(box ty.clean(cx)), ty::Array(ty, n) => { let mut n = *cx.tcx.lift(&n).expect("array lift failed"); if let ty::LazyConst::Unevaluated(def_id, substs) = n { let param_env = cx.tcx.param_env(def_id); let cid = GlobalId { instance: ty::Instance::new(def_id, substs), promoted: None }; if let Ok(new_n) = cx.tcx.const_eval(param_env.and(cid)) { n = ty::LazyConst::Evaluated(new_n); } }; let n = print_const(cx, n); Array(box ty.clean(cx), n) } ty::RawPtr(mt) => RawPointer(mt.mutbl.clean(cx), box mt.ty.clean(cx)), ty::Ref(r, ty, mutbl) => BorrowedRef { lifetime: r.clean(cx), mutability: mutbl.clean(cx), type_: box ty.clean(cx), }, ty::FnDef(..) | ty::FnPtr(_) => { let ty = cx.tcx.lift(self).expect("FnPtr lift failed"); let sig = ty.fn_sig(cx.tcx); BareFunction(box BareFunctionDecl { unsafety: sig.unsafety(), generic_params: Vec::new(), decl: (cx.tcx.hir().local_def_id(ast::CRATE_NODE_ID), sig).clean(cx), abi: sig.abi(), }) } ty::Adt(def, substs) => { let did = def.did; let kind = match def.adt_kind() { AdtKind::Struct => TypeKind::Struct, AdtKind::Union => TypeKind::Union, AdtKind::Enum => TypeKind::Enum, }; inline::record_extern_fqn(cx, did, kind); let path = external_path(cx, &cx.tcx.item_name(did).as_str(), None, false, vec![], substs); ResolvedPath { path, typarams: None, did, is_generic: false, } } ty::Foreign(did) => { inline::record_extern_fqn(cx, did, TypeKind::Foreign); let path = external_path(cx, &cx.tcx.item_name(did).as_str(), None, false, vec![], Substs::empty()); ResolvedPath { path: path, typarams: None, did: did, is_generic: false, } } ty::Dynamic(ref obj, ref reg) => { // HACK: pick the first `did` as the `did` of the trait object. Someone // might want to implement "native" support for marker-trait-only // trait objects. let mut dids = obj.principal_def_id().into_iter().chain(obj.auto_traits()); let did = dids.next().unwrap_or_else(|| { panic!("found trait object `{:?}` with no traits?", self) }); let substs = match obj.principal() { Some(principal) => principal.skip_binder().substs, // marker traits have no substs. _ => cx.tcx.intern_substs(&[]) }; inline::record_extern_fqn(cx, did, TypeKind::Trait); let mut typarams = vec![]; reg.clean(cx).map(|b| typarams.push(GenericBound::Outlives(b))); for did in dids { let empty = cx.tcx.intern_substs(&[]); let path = external_path(cx, &cx.tcx.item_name(did).as_str(), Some(did), false, vec![], empty); inline::record_extern_fqn(cx, did, TypeKind::Trait); let bound = GenericBound::TraitBound(PolyTrait { trait_: ResolvedPath { path, typarams: None, did, is_generic: false, }, generic_params: Vec::new(), }, hir::TraitBoundModifier::None); typarams.push(bound); } let mut bindings = vec![]; for pb in obj.projection_bounds() { bindings.push(TypeBinding { name: cx.tcx.associated_item(pb.item_def_id()).ident.name.clean(cx), ty: pb.skip_binder().ty.clean(cx) }); } let path = external_path(cx, &cx.tcx.item_name(did).as_str(), Some(did), false, bindings, substs); ResolvedPath { path, typarams: Some(typarams), did, is_generic: false, } } ty::Tuple(ref t) => Tuple(t.clean(cx)), ty::Projection(ref data) => data.clean(cx), ty::Param(ref p) => Generic(p.name.to_string()), ty::Opaque(def_id, substs) => { // Grab the "TraitA + TraitB" from `impl TraitA + TraitB`, // by looking up the projections associated with the def_id. let predicates_of = cx.tcx.predicates_of(def_id); let substs = cx.tcx.lift(&substs).expect("Opaque lift failed"); let bounds = predicates_of.instantiate(cx.tcx, substs); let mut regions = vec![]; let mut has_sized = false; let mut bounds = bounds.predicates.iter().filter_map(|predicate| { let trait_ref = if let Some(tr) = predicate.to_opt_poly_trait_ref() { tr } else if let ty::Predicate::TypeOutlives(pred) = *predicate { // these should turn up at the end pred.skip_binder().1.clean(cx).map(|r| { regions.push(GenericBound::Outlives(r)) }); return None; } else { return None; }; if let Some(sized) = cx.tcx.lang_items().sized_trait() { if trait_ref.def_id() == sized { has_sized = true; return None; } } let bounds = bounds.predicates.iter().filter_map(|pred| if let ty::Predicate::Projection(proj) = *pred { let proj = proj.skip_binder(); if proj.projection_ty.trait_ref(cx.tcx) == *trait_ref.skip_binder() { Some(TypeBinding { name: cx.tcx.associated_item(proj.projection_ty.item_def_id) .ident.name.clean(cx), ty: proj.ty.clean(cx), }) } else { None } } else { None } ).collect(); Some((trait_ref.skip_binder(), bounds).clean(cx)) }).collect::<Vec<_>>(); bounds.extend(regions); if !has_sized && !bounds.is_empty() { bounds.insert(0, GenericBound::maybe_sized(cx)); } ImplTrait(bounds) } ty::Closure(..) | ty::Generator(..) => Tuple(vec![]), // FIXME(pcwalton) ty::Bound(..) => panic!("Bound"), ty::Placeholder(..) => panic!("Placeholder"), ty::UnnormalizedProjection(..) => panic!("UnnormalizedProjection"), ty::GeneratorWitness(..) => panic!("GeneratorWitness"), ty::Infer(..) => panic!("Infer"), ty::Error => panic!("Error"), } } } impl Clean<Item> for hir::StructField { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.ident.name).clean(cx), attrs: self.attrs.clean(cx), source: self.span.clean(cx), visibility: self.vis.clean(cx), stability: get_stability(cx, cx.tcx.hir().local_def_id(self.id)), deprecation: get_deprecation(cx, cx.tcx.hir().local_def_id(self.id)), def_id: cx.tcx.hir().local_def_id(self.id), inner: StructFieldItem(self.ty.clean(cx)), } } } impl<'tcx> Clean<Item> for ty::FieldDef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.ident.name).clean(cx), attrs: cx.tcx.get_attrs(self.did).clean(cx), source: cx.tcx.def_span(self.did).clean(cx), visibility: self.vis.clean(cx), stability: get_stability(cx, self.did), deprecation: get_deprecation(cx, self.did), def_id: self.did, inner: StructFieldItem(cx.tcx.type_of(self.did).clean(cx)), } } } #[derive(Clone, PartialEq, Eq, RustcDecodable, RustcEncodable, Debug)] pub enum Visibility { Public, Inherited, Crate, Restricted(DefId, Path), } impl Clean<Option<Visibility>> for hir::Visibility { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Option<Visibility> { Some(match self.node { hir::VisibilityKind::Public => Visibility::Public, hir::VisibilityKind::Inherited => Visibility::Inherited, hir::VisibilityKind::Crate(_) => Visibility::Crate, hir::VisibilityKind::Restricted { ref path, .. } => { let path = path.clean(cx); let did = register_def(cx, path.def); Visibility::Restricted(did, path) } }) } } impl Clean<Option<Visibility>> for ty::Visibility { fn clean(&self, _: &DocContext<'_, '_, '_>) -> Option<Visibility> { Some(if *self == ty::Visibility::Public { Public } else { Inherited }) } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Struct { pub struct_type: doctree::StructType, pub generics: Generics, pub fields: Vec<Item>, pub fields_stripped: bool, } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Union { pub struct_type: doctree::StructType, pub generics: Generics, pub fields: Vec<Item>, pub fields_stripped: bool, } impl Clean<Item> for doctree::Struct { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: StructItem(Struct { struct_type: self.struct_type, generics: self.generics.clean(cx), fields: self.fields.clean(cx), fields_stripped: false, }), } } } impl Clean<Item> for doctree::Union { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: UnionItem(Union { struct_type: self.struct_type, generics: self.generics.clean(cx), fields: self.fields.clean(cx), fields_stripped: false, }), } } } /// This is a more limited form of the standard Struct, different in that /// it lacks the things most items have (name, id, parameterization). Found /// only as a variant in an enum. #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct VariantStruct { pub struct_type: doctree::StructType, pub fields: Vec<Item>, pub fields_stripped: bool, } impl Clean<VariantStruct> for ::rustc::hir::VariantData { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> VariantStruct { VariantStruct { struct_type: doctree::struct_type_from_def(self), fields: self.fields().iter().map(|x| x.clean(cx)).collect(), fields_stripped: false, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Enum { pub variants: IndexVec<VariantIdx, Item>, pub generics: Generics, pub variants_stripped: bool, } impl Clean<Item> for doctree::Enum { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: EnumItem(Enum { variants: self.variants.iter().map(|v| v.clean(cx)).collect(), generics: self.generics.clean(cx), variants_stripped: false, }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Variant { pub kind: VariantKind, } impl Clean<Item> for doctree::Variant { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), visibility: None, stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), def_id: cx.tcx.hir().local_def_id(self.def.id()), inner: VariantItem(Variant { kind: self.def.clean(cx), }), } } } impl<'tcx> Clean<Item> for ty::VariantDef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let kind = match self.ctor_kind { CtorKind::Const => VariantKind::CLike, CtorKind::Fn => { VariantKind::Tuple( self.fields.iter().map(|f| cx.tcx.type_of(f.did).clean(cx)).collect() ) } CtorKind::Fictive => { VariantKind::Struct(VariantStruct { struct_type: doctree::Plain, fields_stripped: false, fields: self.fields.iter().map(|field| { Item { source: cx.tcx.def_span(field.did).clean(cx), name: Some(field.ident.name.clean(cx)), attrs: cx.tcx.get_attrs(field.did).clean(cx), visibility: field.vis.clean(cx), def_id: field.did, stability: get_stability(cx, field.did), deprecation: get_deprecation(cx, field.did), inner: StructFieldItem(cx.tcx.type_of(field.did).clean(cx)) } }).collect() }) } }; Item { name: Some(self.ident.clean(cx)), attrs: inline::load_attrs(cx, self.did), source: cx.tcx.def_span(self.did).clean(cx), visibility: Some(Inherited), def_id: self.did, inner: VariantItem(Variant { kind }), stability: get_stability(cx, self.did), deprecation: get_deprecation(cx, self.did), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub enum VariantKind { CLike, Tuple(Vec<Type>), Struct(VariantStruct), } impl Clean<VariantKind> for hir::VariantData { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> VariantKind { if self.is_struct() { VariantKind::Struct(self.clean(cx)) } else if self.is_unit() { VariantKind::CLike } else { VariantKind::Tuple(self.fields().iter().map(|x| x.ty.clean(cx)).collect()) } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Span { pub filename: FileName, pub loline: usize, pub locol: usize, pub hiline: usize, pub hicol: usize, } impl Span { pub fn empty() -> Span { Span { filename: FileName::Anon(0), loline: 0, locol: 0, hiline: 0, hicol: 0, } } } impl Clean<Span> for syntax_pos::Span { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Span { if self.is_dummy() { return Span::empty(); } let cm = cx.sess().source_map(); let filename = cm.span_to_filename(*self); let lo = cm.lookup_char_pos(self.lo()); let hi = cm.lookup_char_pos(self.hi()); Span { filename, loline: lo.line, locol: lo.col.to_usize(), hiline: hi.line, hicol: hi.col.to_usize(), } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct Path { pub global: bool, pub def: Def, pub segments: Vec<PathSegment>, } impl Path { pub fn last_name(&self) -> &str { self.segments.last().expect("segments were empty").name.as_str() } } impl Clean<Path> for hir::Path { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Path { Path { global: self.is_global(), def: self.def, segments: if self.is_global() { &self.segments[1..] } else { &self.segments }.clean(cx), } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub enum GenericArgs { AngleBracketed { lifetimes: Vec<Lifetime>, types: Vec<Type>, bindings: Vec<TypeBinding>, }, Parenthesized { inputs: Vec<Type>, output: Option<Type>, } } impl Clean<GenericArgs> for hir::GenericArgs { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> GenericArgs { if self.parenthesized { let output = self.bindings[0].ty.clean(cx); GenericArgs::Parenthesized { inputs: self.inputs().clean(cx), output: if output != Type::Tuple(Vec::new()) { Some(output) } else { None } } } else { let (mut lifetimes, mut types) = (vec![], vec![]); let mut elided_lifetimes = true; for arg in &self.args { match arg { GenericArg::Lifetime(lt) => { if !lt.is_elided() { elided_lifetimes = false; } lifetimes.push(lt.clean(cx)); } GenericArg::Type(ty) => { types.push(ty.clean(cx)); } GenericArg::Const(..) => { unimplemented!() // FIXME(const_generics) } } } GenericArgs::AngleBracketed { lifetimes: if elided_lifetimes { vec![] } else { lifetimes }, types, bindings: self.bindings.clean(cx), } } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct PathSegment { pub name: String, pub args: GenericArgs, } impl Clean<PathSegment> for hir::PathSegment { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> PathSegment { PathSegment { name: self.ident.name.clean(cx), args: self.with_generic_args(|generic_args| generic_args.clean(cx)) } } } fn strip_type(ty: Type) -> Type { match ty { Type::ResolvedPath { path, typarams, did, is_generic } => { Type::ResolvedPath { path: strip_path(&path), typarams, did, is_generic } } Type::Tuple(inner_tys) => { Type::Tuple(inner_tys.iter().map(|t| strip_type(t.clone())).collect()) } Type::Slice(inner_ty) => Type::Slice(Box::new(strip_type(*inner_ty))), Type::Array(inner_ty, s) => Type::Array(Box::new(strip_type(*inner_ty)), s), Type::Unique(inner_ty) => Type::Unique(Box::new(strip_type(*inner_ty))), Type::RawPointer(m, inner_ty) => Type::RawPointer(m, Box::new(strip_type(*inner_ty))), Type::BorrowedRef { lifetime, mutability, type_ } => { Type::BorrowedRef { lifetime, mutability, type_: Box::new(strip_type(*type_)) } } Type::QPath { name, self_type, trait_ } => { Type::QPath { name, self_type: Box::new(strip_type(*self_type)), trait_: Box::new(strip_type(*trait_)) } } _ => ty } } fn strip_path(path: &Path) -> Path { let segments = path.segments.iter().map(|s| { PathSegment { name: s.name.clone(), args: GenericArgs::AngleBracketed { lifetimes: Vec::new(), types: Vec::new(), bindings: Vec::new(), } } }).collect(); Path { global: path.global, def: path.def.clone(), segments, } } fn qpath_to_string(p: &hir::QPath) -> String { let segments = match *p { hir::QPath::Resolved(_, ref path) => &path.segments, hir::QPath::TypeRelative(_, ref segment) => return segment.ident.to_string(), }; let mut s = String::new(); for (i, seg) in segments.iter().enumerate() { if i > 0 { s.push_str("::"); } if seg.ident.name != keywords::PathRoot.name() { s.push_str(&*seg.ident.as_str()); } } s } impl Clean<String> for Ident { #[inline] fn clean(&self, cx: &DocContext<'_, '_, '_>) -> String { self.name.clean(cx) } } impl Clean<String> for ast::Name { #[inline] fn clean(&self, _: &DocContext<'_, '_, '_>) -> String { self.to_string() } } impl Clean<String> for InternedString { #[inline] fn clean(&self, _: &DocContext<'_, '_, '_>) -> String { self.to_string() } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Typedef { pub type_: Type, pub generics: Generics, } impl Clean<Item> for doctree::Typedef { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id.clone()), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: TypedefItem(Typedef { type_: self.ty.clean(cx), generics: self.gen.clean(cx), }, false), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Existential { pub bounds: Vec<GenericBound>, pub generics: Generics, } impl Clean<Item> for doctree::Existential { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id.clone()), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: ExistentialItem(Existential { bounds: self.exist_ty.bounds.clean(cx), generics: self.exist_ty.generics.clean(cx), }, false), } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Debug, Hash)] pub struct BareFunctionDecl { pub unsafety: hir::Unsafety, pub generic_params: Vec<GenericParamDef>, pub decl: FnDecl, pub abi: Abi, } impl Clean<BareFunctionDecl> for hir::BareFnTy { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> BareFunctionDecl { let (generic_params, decl) = enter_impl_trait(cx, || { (self.generic_params.clean(cx), (&*self.decl, &self.arg_names[..]).clean(cx)) }); BareFunctionDecl { unsafety: self.unsafety, abi: self.abi, decl, generic_params, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Static { pub type_: Type, pub mutability: Mutability, /// It's useful to have the value of a static documented, but I have no /// desire to represent expressions (that'd basically be all of the AST, /// which is huge!). So, have a string. pub expr: String, } impl Clean<Item> for doctree::Static { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { debug!("cleaning static {}: {:?}", self.name.clean(cx), self); Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: StaticItem(Static { type_: self.type_.clean(cx), mutability: self.mutability.clean(cx), expr: print_const_expr(cx, self.expr), }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Constant { pub type_: Type, pub expr: String, } impl Clean<Item> for doctree::Constant { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: ConstantItem(Constant { type_: self.type_.clean(cx), expr: print_const_expr(cx, self.expr), }), } } } #[derive(Debug, Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Copy, Hash)] pub enum Mutability { Mutable, Immutable, } impl Clean<Mutability> for hir::Mutability { fn clean(&self, _: &DocContext<'_, '_, '_>) -> Mutability { match self { &hir::MutMutable => Mutable, &hir::MutImmutable => Immutable, } } } #[derive(Clone, RustcEncodable, RustcDecodable, PartialEq, Eq, Copy, Debug, Hash)] pub enum ImplPolarity { Positive, Negative, } impl Clean<ImplPolarity> for hir::ImplPolarity { fn clean(&self, _: &DocContext<'_, '_, '_>) -> ImplPolarity { match self { &hir::ImplPolarity::Positive => ImplPolarity::Positive, &hir::ImplPolarity::Negative => ImplPolarity::Negative, } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Impl { pub unsafety: hir::Unsafety, pub generics: Generics, pub provided_trait_methods: FxHashSet<String>, pub trait_: Option<Type>, pub for_: Type, pub items: Vec<Item>, pub polarity: Option<ImplPolarity>, pub synthetic: bool, pub blanket_impl: Option<Type>, } pub fn get_auto_traits_with_node_id( cx: &DocContext<'_, '_, '_>, id: ast::NodeId, name: String ) -> Vec<Item> { let finder = AutoTraitFinder::new(cx); finder.get_with_node_id(id, name) } pub fn get_auto_traits_with_def_id( cx: &DocContext<'_, '_, '_>, id: DefId ) -> Vec<Item> { let finder = AutoTraitFinder::new(cx); finder.get_with_def_id(id) } pub fn get_blanket_impls_with_node_id( cx: &DocContext<'_, '_, '_>, id: ast::NodeId, name: String ) -> Vec<Item> { let finder = BlanketImplFinder::new(cx); finder.get_with_node_id(id, name) } pub fn get_blanket_impls_with_def_id( cx: &DocContext<'_, '_, '_>, id: DefId ) -> Vec<Item> { let finder = BlanketImplFinder::new(cx); finder.get_with_def_id(id) } impl Clean<Vec<Item>> for doctree::Impl { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<Item> { let mut ret = Vec::new(); let trait_ = self.trait_.clean(cx); let items = self.items.clean(cx); // If this impl block is an implementation of the Deref trait, then we // need to try inlining the target's inherent impl blocks as well. if trait_.def_id() == cx.tcx.lang_items().deref_trait() { build_deref_target_impls(cx, &items, &mut ret); } let provided = trait_.def_id().map(|did| { cx.tcx.provided_trait_methods(did) .into_iter() .map(|meth| meth.ident.to_string()) .collect() }).unwrap_or_default(); ret.push(Item { name: None, attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), inner: ImplItem(Impl { unsafety: self.unsafety, generics: self.generics.clean(cx), provided_trait_methods: provided, trait_, for_: self.for_.clean(cx), items, polarity: Some(self.polarity.clean(cx)), synthetic: false, blanket_impl: None, }) }); ret } } fn build_deref_target_impls(cx: &DocContext<'_, '_, '_>, items: &[Item], ret: &mut Vec<Item>) { use self::PrimitiveType::*; let tcx = cx.tcx; for item in items { let target = match item.inner { TypedefItem(ref t, true) => &t.type_, _ => continue, }; let primitive = match *target { ResolvedPath { did, .. } if did.is_local() => continue, ResolvedPath { did, .. } => { ret.extend(inline::build_impls(cx, did)); continue } _ => match target.primitive_type() { Some(prim) => prim, None => continue, } }; let did = match primitive { Isize => tcx.lang_items().isize_impl(), I8 => tcx.lang_items().i8_impl(), I16 => tcx.lang_items().i16_impl(), I32 => tcx.lang_items().i32_impl(), I64 => tcx.lang_items().i64_impl(), I128 => tcx.lang_items().i128_impl(), Usize => tcx.lang_items().usize_impl(), U8 => tcx.lang_items().u8_impl(), U16 => tcx.lang_items().u16_impl(), U32 => tcx.lang_items().u32_impl(), U64 => tcx.lang_items().u64_impl(), U128 => tcx.lang_items().u128_impl(), F32 => tcx.lang_items().f32_impl(), F64 => tcx.lang_items().f64_impl(), Char => tcx.lang_items().char_impl(), Bool => None, Str => tcx.lang_items().str_impl(), Slice => tcx.lang_items().slice_impl(), Array => tcx.lang_items().slice_impl(), Tuple => None, Unit => None, RawPointer => tcx.lang_items().const_ptr_impl(), Reference => None, Fn => None, Never => None, }; if let Some(did) = did { if !did.is_local() { inline::build_impl(cx, did, ret); } } } } impl Clean<Vec<Item>> for doctree::ExternCrate { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<Item> { let please_inline = self.vis.node.is_pub() && self.attrs.iter().any(|a| { a.name() == "doc" && match a.meta_item_list() { Some(l) => attr::list_contains_name(&l, "inline"), None => false, } }); if please_inline { let mut visited = FxHashSet::default(); let def = Def::Mod(DefId { krate: self.cnum, index: CRATE_DEF_INDEX, }); if let Some(items) = inline::try_inline(cx, def, self.name, &mut visited) { return items; } } vec![Item { name: None, attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: DefId { krate: self.cnum, index: CRATE_DEF_INDEX }, visibility: self.vis.clean(cx), stability: None, deprecation: None, inner: ExternCrateItem(self.name.clean(cx), self.path.clone()) }] } } impl Clean<Vec<Item>> for doctree::Import { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<Item> { // We consider inlining the documentation of `pub use` statements, but we // forcefully don't inline if this is not public or if the // #[doc(no_inline)] attribute is present. // Don't inline doc(hidden) imports so they can be stripped at a later stage. let mut denied = !self.vis.node.is_pub() || self.attrs.iter().any(|a| { a.name() == "doc" && match a.meta_item_list() { Some(l) => attr::list_contains_name(&l, "no_inline") || attr::list_contains_name(&l, "hidden"), None => false, } }); // Also check whether imports were asked to be inlined, in case we're trying to re-export a // crate in Rust 2018+ let please_inline = self.attrs.lists("doc").has_word("inline"); let path = self.path.clean(cx); let inner = if self.glob { if !denied { let mut visited = FxHashSet::default(); if let Some(items) = inline::try_inline_glob(cx, path.def, &mut visited) { return items; } } Import::Glob(resolve_use_source(cx, path)) } else { let name = self.name; if !please_inline { match path.def { Def::Mod(did) => if !did.is_local() && did.index == CRATE_DEF_INDEX { // if we're `pub use`ing an extern crate root, don't inline it unless we // were specifically asked for it denied = true; } _ => {} } } if !denied { let mut visited = FxHashSet::default(); if let Some(items) = inline::try_inline(cx, path.def, name, &mut visited) { return items; } } Import::Simple(name.clean(cx), resolve_use_source(cx, path)) }; vec![Item { name: None, attrs: self.attrs.clean(cx), source: self.whence.clean(cx), def_id: cx.tcx.hir().local_def_id(ast::CRATE_NODE_ID), visibility: self.vis.clean(cx), stability: None, deprecation: None, inner: ImportItem(inner) }] } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub enum Import { // use source as str; Simple(String, ImportSource), // use source::*; Glob(ImportSource) } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct ImportSource { pub path: Path, pub did: Option<DefId>, } impl Clean<Vec<Item>> for hir::ForeignMod { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Vec<Item> { let mut items = self.items.clean(cx); for item in &mut items { if let ForeignFunctionItem(ref mut f) = item.inner { f.header.abi = self.abi; } } items } } impl Clean<Item> for hir::ForeignItem { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let inner = match self.node { hir::ForeignItemKind::Fn(ref decl, ref names, ref generics) => { let (generics, decl) = enter_impl_trait(cx, || { (generics.clean(cx), (&**decl, &names[..]).clean(cx)) }); ForeignFunctionItem(Function { decl, generics, header: hir::FnHeader { unsafety: hir::Unsafety::Unsafe, abi: Abi::Rust, constness: hir::Constness::NotConst, asyncness: hir::IsAsync::NotAsync, }, }) } hir::ForeignItemKind::Static(ref ty, mutbl) => { ForeignStaticItem(Static { type_: ty.clean(cx), mutability: if mutbl {Mutable} else {Immutable}, expr: String::new(), }) } hir::ForeignItemKind::Type => { ForeignTypeItem } }; Item { name: Some(self.ident.clean(cx)), attrs: self.attrs.clean(cx), source: self.span.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), visibility: self.vis.clean(cx), stability: get_stability(cx, cx.tcx.hir().local_def_id(self.id)), deprecation: get_deprecation(cx, cx.tcx.hir().local_def_id(self.id)), inner, } } } // Utilities pub trait ToSource { fn to_src(&self, cx: &DocContext<'_, '_, '_>) -> String; } impl ToSource for syntax_pos::Span { fn to_src(&self, cx: &DocContext<'_, '_, '_>) -> String { debug!("converting span {:?} to snippet", self.clean(cx)); let sn = match cx.sess().source_map().span_to_snippet(*self) { Ok(x) => x, Err(_) => String::new() }; debug!("got snippet {}", sn); sn } } fn name_from_pat(p: &hir::Pat) -> String { use rustc::hir::*; debug!("Trying to get a name from pattern: {:?}", p); match p.node { PatKind::Wild => "_".to_string(), PatKind::Binding(_, _, _, ident, _) => ident.to_string(), PatKind::TupleStruct(ref p, ..) | PatKind::Path(ref p) => qpath_to_string(p), PatKind::Struct(ref name, ref fields, etc) => { format!("{} {{ {}{} }}", qpath_to_string(name), fields.iter().map(|&Spanned { node: ref fp, .. }| format!("{}: {}", fp.ident, name_from_pat(&*fp.pat))) .collect::<Vec<String>>().join(", "), if etc { ", .." } else { "" } ) } PatKind::Tuple(ref elts, _) => format!("({})", elts.iter().map(|p| name_from_pat(&**p)) .collect::<Vec<String>>().join(", ")), PatKind::Box(ref p) => name_from_pat(&**p), PatKind::Ref(ref p, _) => name_from_pat(&**p), PatKind::Lit(..) => { warn!("tried to get argument name from PatKind::Lit, \ which is silly in function arguments"); "()".to_string() }, PatKind::Range(..) => panic!("tried to get argument name from PatKind::Range, \ which is not allowed in function arguments"), PatKind::Slice(ref begin, ref mid, ref end) => { let begin = begin.iter().map(|p| name_from_pat(&**p)); let mid = mid.as_ref().map(|p| format!("..{}", name_from_pat(&**p))).into_iter(); let end = end.iter().map(|p| name_from_pat(&**p)); format!("[{}]", begin.chain(mid).chain(end).collect::<Vec<_>>().join(", ")) }, } } fn print_const(cx: &DocContext<'_, '_, '_>, n: ty::LazyConst<'_>) -> String { match n { ty::LazyConst::Unevaluated(def_id, _) => { if let Some(node_id) = cx.tcx.hir().as_local_node_id(def_id) { print_const_expr(cx, cx.tcx.hir().body_owned_by(node_id)) } else { inline::print_inlined_const(cx, def_id) } }, ty::LazyConst::Evaluated(n) => { let mut s = String::new(); ::rustc::mir::fmt_const_val(&mut s, n).expect("fmt_const_val failed"); // array lengths are obviously usize if s.ends_with("usize") { let n = s.len() - "usize".len(); s.truncate(n); } s }, } } fn print_const_expr(cx: &DocContext<'_, '_, '_>, body: hir::BodyId) -> String { cx.tcx.hir().hir_to_pretty_string(body.hir_id) } /// Given a type Path, resolve it to a Type using the TyCtxt fn resolve_type(cx: &DocContext<'_, '_, '_>, path: Path, id: ast::NodeId) -> Type { if id == ast::DUMMY_NODE_ID { debug!("resolve_type({:?})", path); } else { debug!("resolve_type({:?},{:?})", path, id); } let is_generic = match path.def { Def::PrimTy(p) => match p { hir::Str => return Primitive(PrimitiveType::Str), hir::Bool => return Primitive(PrimitiveType::Bool), hir::Char => return Primitive(PrimitiveType::Char), hir::Int(int_ty) => return Primitive(int_ty.into()), hir::Uint(uint_ty) => return Primitive(uint_ty.into()), hir::Float(float_ty) => return Primitive(float_ty.into()), }, Def::SelfTy(..) if path.segments.len() == 1 => { return Generic(keywords::SelfUpper.name().to_string()); } Def::TyParam(..) if path.segments.len() == 1 => { return Generic(format!("{:#}", path)); } Def::SelfTy(..) | Def::TyParam(..) | Def::AssociatedTy(..) => true, _ => false, }; let did = register_def(&*cx, path.def); ResolvedPath { path: path, typarams: None, did: did, is_generic: is_generic } } pub fn register_def(cx: &DocContext<'_, '_, '_>, def: Def) -> DefId { debug!("register_def({:?})", def); let (did, kind) = match def { Def::Fn(i) => (i, TypeKind::Function), Def::TyAlias(i) => (i, TypeKind::Typedef), Def::Enum(i) => (i, TypeKind::Enum), Def::Trait(i) => (i, TypeKind::Trait), Def::Struct(i) => (i, TypeKind::Struct), Def::Union(i) => (i, TypeKind::Union), Def::Mod(i) => (i, TypeKind::Module), Def::ForeignTy(i) => (i, TypeKind::Foreign), Def::Const(i) => (i, TypeKind::Const), Def::Static(i, _) => (i, TypeKind::Static), Def::Variant(i) => (cx.tcx.parent_def_id(i).expect("cannot get parent def id"), TypeKind::Enum), Def::Macro(i, mac_kind) => match mac_kind { MacroKind::Bang => (i, TypeKind::Macro), MacroKind::Attr => (i, TypeKind::Attr), MacroKind::Derive => (i, TypeKind::Derive), MacroKind::ProcMacroStub => unreachable!(), }, Def::TraitAlias(i) => (i, TypeKind::TraitAlias), Def::SelfTy(Some(def_id), _) => (def_id, TypeKind::Trait), Def::SelfTy(_, Some(impl_def_id)) => return impl_def_id, _ => return def.def_id() }; if did.is_local() { return did } inline::record_extern_fqn(cx, did, kind); if let TypeKind::Trait = kind { inline::record_extern_trait(cx, did); } did } fn resolve_use_source(cx: &DocContext<'_, '_, '_>, path: Path) -> ImportSource { ImportSource { did: if path.def.opt_def_id().is_none() { None } else { Some(register_def(cx, path.def)) }, path, } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Macro { pub source: String, pub imported_from: Option<String>, } impl Clean<Item> for doctree::Macro { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { let name = self.name.clean(cx); Item { name: Some(name.clone()), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), visibility: Some(Public), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), def_id: self.def_id, inner: MacroItem(Macro { source: format!("macro_rules! {} {{\n{}}}", name, self.matchers.iter().map(|span| { format!(" {} => {{ ... }};\n", span.to_src(cx)) }).collect::<String>()), imported_from: self.imported_from.clean(cx), }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct ProcMacro { pub kind: MacroKind, pub helpers: Vec<String>, } impl Clean<Item> for doctree::ProcMacro { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> Item { Item { name: Some(self.name.clean(cx)), attrs: self.attrs.clean(cx), source: self.whence.clean(cx), visibility: Some(Public), stability: self.stab.clean(cx), deprecation: self.depr.clean(cx), def_id: cx.tcx.hir().local_def_id(self.id), inner: ProcMacroItem(ProcMacro { kind: self.kind, helpers: self.helpers.clean(cx), }), } } } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Stability { pub level: stability::StabilityLevel, pub feature: Option<String>, pub since: String, pub deprecation: Option<Deprecation>, pub unstable_reason: Option<String>, pub issue: Option<u32>, } #[derive(Clone, RustcEncodable, RustcDecodable, Debug)] pub struct Deprecation { pub since: Option<String>, pub note: Option<String>, } impl Clean<Stability> for attr::Stability { fn clean(&self, _: &DocContext<'_, '_, '_>) -> Stability { Stability { level: stability::StabilityLevel::from_attr_level(&self.level), feature: Some(self.feature.to_string()).filter(|f| !f.is_empty()), since: match self.level { attr::Stable {ref since} => since.to_string(), _ => String::new(), }, deprecation: self.rustc_depr.as_ref().map(|d| { Deprecation { note: Some(d.reason.to_string()).filter(|r| !r.is_empty()), since: Some(d.since.to_string()).filter(|d| !d.is_empty()), } }), unstable_reason: match self.level { attr::Unstable { reason: Some(ref reason), .. } => Some(reason.to_string()), _ => None, }, issue: match self.level { attr::Unstable {issue, ..} => Some(issue), _ => None, } } } } impl<'a> Clean<Stability> for &'a attr::Stability { fn clean(&self, dc: &DocContext<'_, '_, '_>) -> Stability { (**self).clean(dc) } } impl Clean<Deprecation> for attr::Deprecation { fn clean(&self, _: &DocContext<'_, '_, '_>) -> Deprecation { Deprecation { since: self.since.map(|s| s.to_string()).filter(|s| !s.is_empty()), note: self.note.map(|n| n.to_string()).filter(|n| !n.is_empty()), } } } /// An equality constraint on an associated type, e.g., `A = Bar` in `Foo<A = Bar>` #[derive(Clone, PartialEq, Eq, RustcDecodable, RustcEncodable, Debug, Hash)] pub struct TypeBinding { pub name: String, pub ty: Type } impl Clean<TypeBinding> for hir::TypeBinding { fn clean(&self, cx: &DocContext<'_, '_, '_>) -> TypeBinding { TypeBinding { name: self.ident.name.clean(cx), ty: self.ty.clean(cx) } } } pub fn def_id_to_path( cx: &DocContext<'_, '_, '_>, did: DefId, name: Option<String> ) -> Vec<String> { let crate_name = name.unwrap_or_else(|| cx.tcx.crate_name(did.krate).to_string()); let relative = cx.tcx.def_path(did).data.into_iter().filter_map(|elem| { // extern blocks have an empty name let s = elem.data.to_string(); if !s.is_empty() { Some(s) } else { None } }); once(crate_name).chain(relative).collect() } pub fn enter_impl_trait<F, R>(cx: &DocContext<'_, '_, '_>, f: F) -> R where F: FnOnce() -> R, { let old_bounds = mem::replace(&mut *cx.impl_trait_bounds.borrow_mut(), Default::default()); let r = f(); assert!(cx.impl_trait_bounds.borrow().is_empty()); *cx.impl_trait_bounds.borrow_mut() = old_bounds; r } // Start of code copied from rust-clippy pub fn path_to_def_local(tcx: &TyCtxt<'_, '_, '_>, path: &[&str]) -> Option<DefId> { let krate = tcx.hir().krate(); let mut items = krate.module.item_ids.clone(); let mut path_it = path.iter().peekable(); loop { let segment = path_it.next()?; for item_id in mem::replace(&mut items, HirVec::new()).iter() { let item = tcx.hir().expect_item(item_id.id); if item.ident.name == *segment { if path_it.peek().is_none() { return Some(tcx.hir().local_def_id(item_id.id)) } items = match &item.node { &hir::ItemKind::Mod(ref m) => m.item_ids.clone(), _ => panic!("Unexpected item {:?} in path {:?} path") }; break; } } } } pub fn path_to_def(tcx: &TyCtxt<'_, '_, '_>, path: &[&str]) -> Option<DefId> { let crates = tcx.crates(); let krate = crates .iter() .find(|&&krate| tcx.crate_name(krate) == path[0]); if let Some(krate) = krate { let krate = DefId { krate: *krate, index: CRATE_DEF_INDEX, }; let mut items = tcx.item_children(krate); let mut path_it = path.iter().skip(1).peekable(); loop { let segment = path_it.next()?; for item in mem::replace(&mut items, Lrc::new(vec![])).iter() { if item.ident.name == *segment { if path_it.peek().is_none() { return match item.def { def::Def::Trait(did) => Some(did), _ => None, } } items = tcx.item_children(item.def.def_id()); break; } } } } else { None } } pub fn get_path_for_type<F>(tcx: TyCtxt<'_, '_, '_>, def_id: DefId, def_ctor: F) -> hir::Path where F: Fn(DefId) -> Def { #[derive(Debug)] struct AbsolutePathBuffer { names: Vec<String>, } impl ty::item_path::ItemPathBuffer for AbsolutePathBuffer { fn root_mode(&self) -> &ty::item_path::RootMode { const ABSOLUTE: &'static ty::item_path::RootMode = &ty::item_path::RootMode::Absolute; ABSOLUTE } fn push(&mut self, text: &str) { self.names.push(text.to_owned()); } } let mut apb = AbsolutePathBuffer { names: vec![] }; tcx.push_item_path(&mut apb, def_id, false); hir::Path { span: DUMMY_SP, def: def_ctor(def_id), segments: hir::HirVec::from_vec(apb.names.iter().map(|s| hir::PathSegment { ident: ast::Ident::from_str(&s), id: None, hir_id: None, def: None, args: None, infer_types: false, }).collect()) } } // End of code copied from rust-clippy #[derive(Eq, PartialEq, Hash, Copy, Clone, Debug)] enum RegionTarget<'tcx> { Region(Region<'tcx>), RegionVid(RegionVid) } #[derive(Default, Debug, Clone)] struct RegionDeps<'tcx> { larger: FxHashSet<RegionTarget<'tcx>>, smaller: FxHashSet<RegionTarget<'tcx>> } #[derive(Eq, PartialEq, Hash, Debug)] enum SimpleBound { TraitBound(Vec<PathSegment>, Vec<SimpleBound>, Vec<GenericParamDef>, hir::TraitBoundModifier), Outlives(Lifetime), } enum AutoTraitResult { ExplicitImpl, PositiveImpl(Generics), NegativeImpl, } impl AutoTraitResult { fn is_auto(&self) -> bool { match *self { AutoTraitResult::PositiveImpl(_) | AutoTraitResult::NegativeImpl => true, _ => false, } } } impl From<GenericBound> for SimpleBound { fn from(bound: GenericBound) -> Self { match bound.clone() { GenericBound::Outlives(l) => SimpleBound::Outlives(l), GenericBound::TraitBound(t, mod_) => match t.trait_ { Type::ResolvedPath { path, typarams, .. } => { SimpleBound::TraitBound(path.segments, typarams .map_or_else(|| Vec::new(), |v| v.iter() .map(|p| SimpleBound::from(p.clone())) .collect()), t.generic_params, mod_) } _ => panic!("Unexpected bound {:?}", bound), } } } }

f95494a569b2f6a31c6d79ad3df0cdd257c40d5e

use crate::structure::guid_prefix::GuidPrefix_t; use speedy::{Readable, Writable}; /// This message is sent from an RTPS Writer to an RTPS Reader /// to modify the GuidPrefix used to interpret the Reader entityIds /// appearing in the Submessages that follow it. #[derive(Debug, PartialEq, Readable, Writable)] pub struct InfoDestination { /// Provides the GuidPrefix that should be used to reconstruct the GUIDs /// of all the RTPS Reader entities whose EntityIds appears /// in the Submessages that follow. pub guid_prefix: GuidPrefix_t, } #[cfg(test)] mod tests { use super::*; serialization_test!( type = InfoDestination, { info_destination, InfoDestination { guid_prefix: GuidPrefix_t { entity_key: [0x01, 0x02, 0x6D, 0x3F, 0x7E, 0x07, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00] } }, le = [0x01, 0x02, 0x6D, 0x3F, 0x7E, 0x07, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00], be = [0x01, 0x02, 0x6D, 0x3F, 0x7E, 0x07, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00] }); }

e246c3c9238b3b2116cb465ef8f0bde0069a618f

use js_sys::{ArrayBuffer, DataView}; use wasm_bindgen::prelude::*; use wasm_bindgen::JsCast; use wasm_bindgen_futures::JsFuture; use wasm_bindgen_test::*; use web_sys::Response; #[wasm_bindgen(module = "/tests/wasm/response.js")] extern "wasm-bindgen" { fn new_response() -> Response; } #[wasm_bindgen_test] fn test_response_from_js() { let response = new_response(); assert!(!response.ok()); assert!(!response.redirected()); assert_eq!(response.status(), 501); } #[wasm_bindgen_test] async fn test_response_from_bytes() { let mut bytes: [u8; 3] = [1, 3, 5]; let response = Response::new_with_opt_u8_array(Some(&mut bytes)).unwrap(); assert!(response.ok()); assert_eq!(response.status(), 200); let buf_promise = response.array_buffer().unwrap(); let buf_val = JsFuture::from(buf_promise).await.unwrap(); assert!(buf_val.is_instance_of::<ArrayBuffer>()); let array_buf: ArrayBuffer = buf_val.dyn_into().unwrap(); let data_view = DataView::new(&array_buf, 0, bytes.len()); for (i, byte) in bytes.iter().enumerate() { assert_eq!(&data_view.get_uint8(i), byte); } } #[wasm_bindgen_test] async fn test_response_from_other_body() { let input = "Hello, world!"; let response_a = Response::new_with_opt_str(Some(input)).unwrap(); let body = response_a.body(); let response_b = Response::new_with_opt_readable_stream(body.as_ref()).unwrap(); let output = JsFuture::from(response_b.text().unwrap()).await.unwrap(); assert_eq!(JsValue::from_str(input), output); }

09593afdb4b21d515f341c5dea6d8c903ec32f3a

//! Async-graphql integration with Wrap #![warn(missing_docs)] #![allow(clippy::type_complexity)] #![allow(clippy::needless_doctest_main)] use async_graphql::http::StreamBody; use async_graphql::{ Data, FieldResult, IntoQueryBuilder, IntoQueryBuilderOpts, ObjectType, QueryBuilder, QueryResponse, Schema, SubscriptionType, WebSocketTransport, }; use bytes::Bytes; use futures::select; use futures::{SinkExt, StreamExt}; use std::sync::Arc; use warp::filters::ws::Message; use warp::filters::BoxedFilter; use warp::reject::Reject; use warp::reply::Response; use warp::{Filter, Rejection, Reply}; /// Bad request error /// /// It's a wrapper of `async_graphql::ParseRequestError`. pub struct BadRequest(pub async_graphql::ParseRequestError); impl std::fmt::Debug for BadRequest { fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { write!(f, "{}", self.0) } } impl Reject for BadRequest {} /// GraphQL request filter /// /// It outputs a tuple containing the `Schema` and `QuertBuilder`. /// /// # Examples /// *[Full Example](<https://github.com/async-graphql/examples/blob/master/warp/starwars/src/main.rs>)* /// /// ```no_run /// /// use async_graphql::*; /// use async_graphql_warp::*; /// use warp::Filter; /// use std::convert::Infallible; /// /// struct QueryRoot; /// /// #[Object] /// impl QueryRoot { /// #[field] /// async fn value(&self, ctx: &Context<'_>) -> i32 { /// unimplemented!() /// } /// } /// /// #[tokio::main] /// async fn main() { /// let schema = Schema::new(QueryRoot, EmptyMutation, EmptySubscription); /// let filter = async_graphql_warp::graphql(schema).and_then(|(schema, builder): (_, QueryBuilder)| async move { /// Ok::<_, Infallible>(GQLResponse::from(builder.execute(&schema).await)) /// }); /// warp::serve(filter).run(([0, 0, 0, 0], 8000)).await; /// } /// ``` pub fn graphql<Query, Mutation, Subscription>( schema: Schema<Query, Mutation, Subscription>, ) -> BoxedFilter<((Schema<Query, Mutation, Subscription>, QueryBuilder),)> where Query: ObjectType + Send + Sync + 'static, Mutation: ObjectType + Send + Sync + 'static, Subscription: SubscriptionType + Send + Sync + 'static, { warp::any() .and(warp::post()) .and(warp::header::optional::<String>("content-type")) .and(warp::body::stream()) .and(warp::any().map(move || schema.clone())) .and_then(|content_type, body, schema| async move { let builder = (content_type, StreamBody::new(body)) .into_query_builder() .await .map_err(|err| warp::reject::custom(BadRequest(err)))?; Ok::<_, Rejection>((schema, builder)) }) .boxed() } /// Similar to graphql, but you can set the options `IntoQueryBuilderOpts`. pub fn graphql_opts<Query, Mutation, Subscription>( schema: Schema<Query, Mutation, Subscription>, opts: IntoQueryBuilderOpts, ) -> BoxedFilter<((Schema<Query, Mutation, Subscription>, QueryBuilder),)> where Query: ObjectType + Send + Sync + 'static, Mutation: ObjectType + Send + Sync + 'static, Subscription: SubscriptionType + Send + Sync + 'static, { let opts = Arc::new(opts); warp::any() .and(warp::post()) .and(warp::header::optional::<String>("content-type")) .and(warp::body::stream()) .and(warp::any().map(move || opts.clone())) .and(warp::any().map(move || schema.clone())) .and_then( |content_type, body, opts: Arc<IntoQueryBuilderOpts>, schema| async move { let builder = (content_type, StreamBody::new(body)) .into_query_builder_opts(&opts) .await .map_err(|err| warp::reject::custom(BadRequest(err)))?; Ok::<_, Rejection>((schema, builder)) }, ) .boxed() } /// GraphQL subscription filter /// /// # Examples /// /// ```no_run /// use async_graphql::*; /// use async_graphql_warp::*; /// use warp::Filter; /// use futures::{Stream, StreamExt}; /// use std::time::Duration; /// /// struct QueryRoot; /// /// #[Object] /// impl QueryRoot {} /// /// struct SubscriptionRoot; /// /// #[Subscription] /// impl SubscriptionRoot { /// #[field] /// async fn tick(&self) -> impl Stream<Item = String> { /// tokio::time::interval(Duration::from_secs(1)).map(|n| format!("{}", n.elapsed().as_secs_f32())) /// } /// } /// /// #[tokio::main] /// async fn main() { /// let schema = Schema::new(QueryRoot, EmptyMutation, SubscriptionRoot); /// let filter = async_graphql_warp::graphql_subscription(schema); /// warp::serve(filter).run(([0, 0, 0, 0], 8000)).await; /// } /// ``` pub fn graphql_subscription<Query, Mutation, Subscription>( schema: Schema<Query, Mutation, Subscription>, ) -> BoxedFilter<(impl Reply,)> where Query: ObjectType + Sync + Send + 'static, Mutation: ObjectType + Sync + Send + 'static, Subscription: SubscriptionType + Send + Sync + 'static, { warp::any() .and(warp::ws()) .and(warp::any().map(move || schema.clone())) .map( |ws: warp::ws::Ws, schema: Schema<Query, Mutation, Subscription>| { ws.on_upgrade(move |websocket| { let (mut tx, rx) = websocket.split(); let (mut stx, srx) = schema.subscription_connection(WebSocketTransport::default()); let mut rx = rx.fuse(); let mut srx = srx.fuse(); async move { loop { select! { bytes = srx.next() => { if let Some(bytes) = bytes { if let Ok(text) = String::from_utf8(bytes.to_vec()) { if tx.send(Message::text(text)).await.is_err() { return; } } } else { return; } } msg = rx.next() => { if let Some(Ok(msg)) = msg { if msg.is_text() { if stx.send(Bytes::copy_from_slice(msg.as_bytes())).await.is_err() { return; } } } } } } } }) }, ).map(|reply| { warp::reply::with_header(reply, "Sec-WebSocket-Protocol", "graphql-ws") }) .boxed() } /// GraphQL subscription filter /// /// Specifies that a function converts the init payload to data. pub fn graphql_subscription_with_data<Query, Mutation, Subscription, F>( schema: Schema<Query, Mutation, Subscription>, init_context_data: F, ) -> BoxedFilter<(impl Reply,)> where Query: ObjectType + Sync + Send + 'static, Mutation: ObjectType + Sync + Send + 'static, Subscription: SubscriptionType + Send + Sync + 'static, F: Fn(serde_json::Value) -> FieldResult<Data> + Send + Sync + Clone + 'static, { warp::any() .and(warp::ws()) .and(warp::any().map(move || schema.clone())) .and(warp::any().map(move || init_context_data.clone())) .map( |ws: warp::ws::Ws, schema: Schema<Query, Mutation, Subscription>, init_context_data: F| { ws.on_upgrade(move |websocket| { let (mut tx, rx) = websocket.split(); let (mut stx, srx) = schema.subscription_connection(WebSocketTransport::new(init_context_data)); let mut rx = rx.fuse(); let mut srx = srx.fuse(); async move { loop { select! { bytes = srx.next() => { if let Some(bytes) = bytes { if let Ok(text) = String::from_utf8(bytes.to_vec()) { if tx.send(Message::text(text)).await.is_err() { return; } } } else { return; } } msg = rx.next() => { if let Some(Ok(msg)) = msg { if msg.is_text() { if stx.send(Bytes::copy_from_slice(msg.as_bytes())).await.is_err() { return; } } } } } } } }) }, ).map(|reply| { warp::reply::with_header(reply, "Sec-WebSocket-Protocol", "graphql-ws") }) .boxed() } /// GraphQL reply pub struct GQLResponse(async_graphql::Result<QueryResponse>); impl From<async_graphql::Result<QueryResponse>> for GQLResponse { fn from(resp: async_graphql::Result<QueryResponse>) -> Self { GQLResponse(resp) } } fn add_cache_control(http_resp: &mut Response, resp: &async_graphql::Result<QueryResponse>) { if let Ok(QueryResponse { cache_control, .. }) = resp { if let Some(cache_control) = cache_control.value() { if let Ok(value) = cache_control.parse() { http_resp.headers_mut().insert("cache-control", value); } } } } impl Reply for GQLResponse { fn into_response(self) -> Response { let gql_resp = async_graphql::http::GQLResponse(self.0); let mut resp = warp::reply::with_header( warp::reply::json(&gql_resp), "content-type", "application/json", ) .into_response(); add_cache_control(&mut resp, &gql_resp.0); resp } } // Waiting for this release: https://github.com/hyperium/hyper/commit/042c770603a212f22387807efe4fc672959df40c // /// GraphQL streaming reply // pub struct GQLResponseStream(StreamResponse); // // impl From<StreamResponse> for GQLResponseStream { // fn from(resp: StreamResponse) -> Self { // GQLResponseStream(resp) // } // } // // impl Reply for GQLResponseStream { // fn into_response(self) -> Response { // match self.0 { // StreamResponse::Single(resp) => GQLResponse(resp).into_response(), // StreamResponse::Stream() // } // } // }

6202daff418bfd42ae0561323bf9818381575a12

// Copyright 2020 the Deno authors. All rights reserved. MIT license. use super::{Context, LintRule}; use swc_common::Spanned; use swc_ecma_ast::BinaryOp::{EqEq, EqEqEq, NotEq, NotEqEq}; use swc_ecma_ast::Expr::{Lit, Unary}; use swc_ecma_ast::Lit::Str; use swc_ecma_ast::UnaryOp::TypeOf; use swc_ecma_ast::{BinExpr, Module}; use swc_ecma_visit::{Node, Visit}; pub struct ValidTypeof; impl LintRule for ValidTypeof { fn new() -> Box<Self> { Box::new(ValidTypeof) } fn code(&self) -> &'static str { "valid-typeof" } fn lint_module(&self, context: Context, module: Module) { let mut visitor = ValidTypeofVisitor::new(context); visitor.visit_module(&module, &module); } } pub struct ValidTypeofVisitor { context: Context, } impl ValidTypeofVisitor { pub fn new(context: Context) -> Self { Self { context } } } impl Visit for ValidTypeofVisitor { fn visit_bin_expr(&mut self, bin_expr: &BinExpr, _parent: &dyn Node) { if !bin_expr.is_eq_expr() { return; } match (&*bin_expr.left, &*bin_expr.right) { (Unary(unary), operand) | (operand, Unary(unary)) if unary.op == TypeOf => { match operand { Unary(unary) if unary.op == TypeOf => {} Lit(Str(str)) => { if !is_valid_typeof_string(&str.value) { self.context.add_diagnostic( str.span, "valid-typeof", "Invalid typeof comparison value", ); } } _ => { self.context.add_diagnostic( operand.span(), "valid-typeof", "Invalid typeof comparison value", ); } } } _ => {} } } } fn is_valid_typeof_string(str: &str) -> bool { match str { "undefined" | "object" | "boolean" | "number" | "string" | "function" | "symbol" | "bigint" => true, _ => false, } } trait EqExpr { fn is_eq_expr(&self) -> bool; } impl EqExpr for BinExpr { fn is_eq_expr(&self) -> bool { match self.op { EqEq | NotEq | EqEqEq | NotEqEq => true, _ => false, } } } #[cfg(test)] mod tests { use super::*; use crate::test_util::*; #[test] fn it_passes_using_valid_strings() { assert_lint_ok::<ValidTypeof>( r#" typeof foo === "string" typeof bar == "undefined" "#, ); } #[test] fn it_passes_using_two_typeof_operations() { assert_lint_ok::<ValidTypeof>(r#"typeof bar === typeof qux"#); } #[test] fn it_fails_using_invalid_strings() { assert_lint_err::<ValidTypeof>(r#"typeof foo === "strnig""#, 15); assert_lint_err::<ValidTypeof>(r#"typeof foo == "undefimed""#, 14); assert_lint_err::<ValidTypeof>(r#"typeof bar != "nunber""#, 14); assert_lint_err::<ValidTypeof>(r#"typeof bar !== "fucntion""#, 15); } #[test] fn it_fails_not_using_strings() { assert_lint_err::<ValidTypeof>(r#"typeof foo === undefined"#, 15); assert_lint_err::<ValidTypeof>(r#"typeof bar == Object"#, 14); assert_lint_err::<ValidTypeof>(r#"typeof baz === anotherVariable"#, 15); } }

2f18554ffa3022acf09d3b188049c2f040b0340c

#![warn(rust_2018_idioms)] use slab::*; use std::panic::{catch_unwind, resume_unwind, AssertUnwindSafe}; #[test] fn insert_get_remove_one() { let mut slab = Slab::new(); assert!(slab.is_empty()); let key = slab.insert(10); assert_eq!(slab[key], 10); assert_eq!(slab.get(key), Some(&10)); assert!(!slab.is_empty()); assert!(slab.contains(key)); assert_eq!(slab.remove(key), 10); assert!(!slab.contains(key)); assert!(slab.get(key).is_none()); } #[test] fn insert_get_many() { let mut slab = Slab::with_capacity(10); for i in 0..10 { let key = slab.insert(i + 10); assert_eq!(slab[key], i + 10); } assert_eq!(slab.capacity(), 10); // Storing another one grows the slab let key = slab.insert(20); assert_eq!(slab[key], 20); // Capacity grows by 2x assert_eq!(slab.capacity(), 20); } #[test] fn insert_get_remove_many() { let mut slab = Slab::with_capacity(10); let mut keys = vec![]; for i in 0..10 { for j in 0..10 { let val = (i * 10) + j; let key = slab.insert(val); keys.push((key, val)); assert_eq!(slab[key], val); } for (key, val) in keys.drain(..) { assert_eq!(val, slab.remove(key)); } } assert_eq!(10, slab.capacity()); } #[test] fn insert_with_vacant_entry() { let mut slab = Slab::with_capacity(1); let key; { let entry = slab.vacant_entry(); key = entry.key(); entry.insert(123); } assert_eq!(123, slab[key]); } #[test] fn get_vacant_entry_without_using() { let mut slab = Slab::<usize>::with_capacity(1); let key = slab.vacant_entry().key(); assert_eq!(key, slab.vacant_entry().key()); } #[test] #[should_panic(expected = "invalid key")] fn invalid_get_panics() { let slab = Slab::<usize>::with_capacity(1); let _ = &slab[0]; } #[test] #[should_panic(expected = "invalid key")] fn invalid_get_mut_panics() { let mut slab = Slab::<usize>::new(); let _ = &mut slab[0]; } #[test] #[should_panic(expected = "invalid key")] fn double_remove_panics() { let mut slab = Slab::<usize>::with_capacity(1); let key = slab.insert(123); slab.remove(key); slab.remove(key); } #[test] #[should_panic(expected = "invalid key")] fn invalid_remove_panics() { let mut slab = Slab::<usize>::with_capacity(1); slab.remove(0); } #[test] fn slab_get_mut() { let mut slab = Slab::new(); let key = slab.insert(1); slab[key] = 2; assert_eq!(slab[key], 2); *slab.get_mut(key).unwrap() = 3; assert_eq!(slab[key], 3); } #[test] fn key_of_tagged() { let mut slab = Slab::new(); slab.insert(0); assert_eq!(slab.key_of(&slab[0]), 0); } #[test] fn key_of_layout_optimizable() { // Entry<&str> doesn't need a discriminant tag because it can use the // nonzero-ness of ptr and store Vacant's next at the same offset as len let mut slab = Slab::new(); slab.insert("foo"); slab.insert("bar"); let third = slab.insert("baz"); slab.insert("quux"); assert_eq!(slab.key_of(&slab[third]), third); } #[test] fn key_of_zst() { let mut slab = Slab::new(); slab.insert(()); let second = slab.insert(()); slab.insert(()); assert_eq!(slab.key_of(&slab[second]), second); } #[test] fn reserve_does_not_allocate_if_available() { let mut slab = Slab::with_capacity(10); let mut keys = vec![]; for i in 0..6 { keys.push(slab.insert(i)); } for key in 0..4 { slab.remove(key); } assert!(slab.capacity() - slab.len() == 8); slab.reserve(8); assert_eq!(10, slab.capacity()); } #[test] fn reserve_exact_does_not_allocate_if_available() { let mut slab = Slab::with_capacity(10); let mut keys = vec![]; for i in 0..6 { keys.push(slab.insert(i)); } for key in 0..4 { slab.remove(key); } assert!(slab.capacity() - slab.len() == 8); slab.reserve_exact(8); assert_eq!(10, slab.capacity()); } #[test] #[should_panic(expected = "capacity overflow")] fn reserve_does_panic_with_capacity_overflow() { let mut slab = Slab::with_capacity(10); slab.insert(true); slab.reserve(std::usize::MAX); } #[test] #[should_panic(expected = "capacity overflow")] fn reserve_exact_does_panic_with_capacity_overflow() { let mut slab = Slab::with_capacity(10); slab.insert(true); slab.reserve_exact(std::usize::MAX); } #[test] fn retain() { let mut slab = Slab::with_capacity(2); let key1 = slab.insert(0); let key2 = slab.insert(1); slab.retain(|key, x| { assert_eq!(key, *x); *x % 2 == 0 }); assert_eq!(slab.len(), 1); assert_eq!(slab[key1], 0); assert!(!slab.contains(key2)); // Ensure consistency is retained let key = slab.insert(123); assert_eq!(key, key2); assert_eq!(2, slab.len()); assert_eq!(2, slab.capacity()); // Inserting another element grows let key = slab.insert(345); assert_eq!(key, 2); assert_eq!(4, slab.capacity()); } #[test] fn into_iter() { let mut slab = Slab::new(); for i in 0..8 { slab.insert(i); } slab.remove(0); slab.remove(4); slab.remove(5); slab.remove(7); let vals: Vec<_> = slab .into_iter() .inspect(|&(key, val)| assert_eq!(key, val)) .map(|(_, val)| val) .collect(); assert_eq!(vals, vec![1, 2, 3, 6]); } #[test] fn into_iter_rev() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } let mut iter = slab.into_iter(); assert_eq!(iter.next_back(), Some((3, 3))); assert_eq!(iter.next_back(), Some((2, 2))); assert_eq!(iter.next(), Some((0, 0))); assert_eq!(iter.next_back(), Some((1, 1))); assert_eq!(iter.next_back(), None); assert_eq!(iter.next(), None); } #[test] fn iter() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } let vals: Vec<_> = slab .iter() .enumerate() .map(|(i, (key, val))| { assert_eq!(i, key); *val }) .collect(); assert_eq!(vals, vec![0, 1, 2, 3]); slab.remove(1); let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert_eq!(vals, vec![0, 2, 3]); } #[test] fn iter_rev() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } slab.remove(0); let vals = slab.iter().rev().collect::<Vec<_>>(); assert_eq!(vals, vec![(3, &3), (2, &2), (1, &1)]); } #[test] fn iter_mut() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } for (i, (key, e)) in slab.iter_mut().enumerate() { assert_eq!(i, key); *e += 1; } let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert_eq!(vals, vec![1, 2, 3, 4]); slab.remove(2); for (_, e) in slab.iter_mut() { *e += 1; } let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert_eq!(vals, vec![2, 3, 5]); } #[test] fn iter_mut_rev() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } slab.remove(2); { let mut iter = slab.iter_mut(); assert_eq!(iter.next(), Some((0, &mut 0))); let mut prev_key = !0; for (key, e) in iter.rev() { *e += 10; assert!(prev_key > key); prev_key = key; } } assert_eq!(slab[0], 0); assert_eq!(slab[1], 11); assert_eq!(slab[3], 13); assert!(!slab.contains(2)); } #[test] fn from_iterator_sorted() { let mut slab = (0..5).map(|i| (i, i)).collect::<Slab<_>>(); assert_eq!(slab.len(), 5); assert_eq!(slab[0], 0); assert_eq!(slab[2], 2); assert_eq!(slab[4], 4); assert_eq!(slab.vacant_entry().key(), 5); } #[test] fn from_iterator_new_in_order() { // all new keys come in increasing order, but existing keys are overwritten let mut slab = [(0, 'a'), (1, 'a'), (1, 'b'), (0, 'b'), (9, 'a'), (0, 'c')] .iter() .cloned() .collect::<Slab<_>>(); assert_eq!(slab.len(), 3); assert_eq!(slab[0], 'c'); assert_eq!(slab[1], 'b'); assert_eq!(slab[9], 'a'); assert_eq!(slab.get(5), None); assert_eq!(slab.vacant_entry().key(), 8); } #[test] fn from_iterator_unordered() { let mut slab = vec![(1, "one"), (50, "fifty"), (3, "three"), (20, "twenty")] .into_iter() .collect::<Slab<_>>(); assert_eq!(slab.len(), 4); assert_eq!(slab.vacant_entry().key(), 0); let mut iter = slab.iter(); assert_eq!(iter.next(), Some((1, &"one"))); assert_eq!(iter.next(), Some((3, &"three"))); assert_eq!(iter.next(), Some((20, &"twenty"))); assert_eq!(iter.next(), Some((50, &"fifty"))); assert_eq!(iter.next(), None); } #[test] fn clear() { let mut slab = Slab::new(); for i in 0..4 { slab.insert(i); } // clear full slab.clear(); let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert!(vals.is_empty()); assert_eq!(0, slab.len()); assert_eq!(4, slab.capacity()); for i in 0..2 { slab.insert(i); } let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert_eq!(vals, vec![0, 1]); // clear half-filled slab.clear(); let vals: Vec<_> = slab.iter().map(|(_, r)| *r).collect(); assert!(vals.is_empty()); } #[test] fn shrink_to_fit_empty() { let mut slab = Slab::<bool>::with_capacity(20); slab.shrink_to_fit(); assert_eq!(slab.capacity(), 0); } #[test] fn shrink_to_fit_no_vacant() { let mut slab = Slab::with_capacity(20); slab.insert(String::new()); slab.shrink_to_fit(); assert!(slab.capacity() < 10); } #[test] fn shrink_to_fit_doesnt_move() { let mut slab = Slab::with_capacity(8); slab.insert("foo"); let bar = slab.insert("bar"); slab.insert("baz"); let quux = slab.insert("quux"); slab.remove(quux); slab.remove(bar); slab.shrink_to_fit(); assert_eq!(slab.len(), 2); assert!(slab.capacity() >= 3); assert_eq!(slab.get(0), Some(&"foo")); assert_eq!(slab.get(2), Some(&"baz")); assert_eq!(slab.vacant_entry().key(), bar); } #[test] fn shrink_to_fit_doesnt_recreate_list_when_nothing_can_be_done() { let mut slab = Slab::with_capacity(16); for i in 0..4 { slab.insert(Box::new(i)); } slab.remove(0); slab.remove(2); slab.remove(1); assert_eq!(slab.vacant_entry().key(), 1); slab.shrink_to_fit(); assert_eq!(slab.len(), 1); assert!(slab.capacity() >= 4); assert_eq!(slab.vacant_entry().key(), 1); } #[test] fn compact_empty() { let mut slab = Slab::new(); slab.compact(|_, _, _| panic!()); assert_eq!(slab.len(), 0); assert_eq!(slab.capacity(), 0); slab.reserve(20); slab.compact(|_, _, _| panic!()); assert_eq!(slab.len(), 0); assert_eq!(slab.capacity(), 0); slab.insert(0); slab.insert(1); slab.insert(2); slab.remove(1); slab.remove(2); slab.remove(0); slab.compact(|_, _, _| panic!()); assert_eq!(slab.len(), 0); assert_eq!(slab.capacity(), 0); } #[test] fn compact_no_moves_needed() { let mut slab = Slab::new(); for i in 0..10 { slab.insert(i); } slab.remove(8); slab.remove(9); slab.remove(6); slab.remove(7); slab.compact(|_, _, _| panic!()); assert_eq!(slab.len(), 6); for ((index, &value), want) in slab.iter().zip(0..6) { assert!(index == value); assert_eq!(index, want); } assert!(slab.capacity() >= 6 && slab.capacity() < 10); } #[test] fn compact_moves_successfully() { let mut slab = Slab::with_capacity(20); for i in 0..10 { slab.insert(i); } for &i in &[0, 5, 9, 6, 3] { slab.remove(i); } let mut moved = 0; slab.compact(|&mut v, from, to| { assert!(from > to); assert!(from >= 5); assert!(to < 5); assert_eq!(from, v); moved += 1; true }); assert_eq!(slab.len(), 5); assert_eq!(moved, 2); assert_eq!(slab.vacant_entry().key(), 5); assert!(slab.capacity() >= 5 && slab.capacity() < 20); let mut iter = slab.iter(); assert_eq!(iter.next(), Some((0, &8))); assert_eq!(iter.next(), Some((1, &1))); assert_eq!(iter.next(), Some((2, &2))); assert_eq!(iter.next(), Some((3, &7))); assert_eq!(iter.next(), Some((4, &4))); assert_eq!(iter.next(), None); } #[test] fn compact_doesnt_move_if_closure_errors() { let mut slab = Slab::with_capacity(20); for i in 0..10 { slab.insert(i); } for &i in &[9, 3, 1, 4, 0] { slab.remove(i); } slab.compact(|&mut v, from, to| { assert!(from > to); assert_eq!(from, v); v != 6 }); assert_eq!(slab.len(), 5); assert!(slab.capacity() >= 7 && slab.capacity() < 20); assert_eq!(slab.vacant_entry().key(), 3); let mut iter = slab.iter(); assert_eq!(iter.next(), Some((0, &8))); assert_eq!(iter.next(), Some((1, &7))); assert_eq!(iter.next(), Some((2, &2))); assert_eq!(iter.next(), Some((5, &5))); assert_eq!(iter.next(), Some((6, &6))); assert_eq!(iter.next(), None); } #[test] fn compact_handles_closure_panic() { let mut slab = Slab::new(); for i in 0..10 { slab.insert(i); } for i in 1..6 { slab.remove(i); } let result = catch_unwind(AssertUnwindSafe(|| { slab.compact(|&mut v, from, to| { assert!(from > to); assert_eq!(from, v); if v == 7 { panic!("test"); } true }) })); match result { Err(ref payload) if payload.downcast_ref() == Some(&"test") => {} Err(bug) => resume_unwind(bug), Ok(()) => unreachable!(), } assert_eq!(slab.len(), 5 - 1); assert_eq!(slab.vacant_entry().key(), 3); let mut iter = slab.iter(); assert_eq!(iter.next(), Some((0, &0))); assert_eq!(iter.next(), Some((1, &9))); assert_eq!(iter.next(), Some((2, &8))); assert_eq!(iter.next(), Some((6, &6))); assert_eq!(iter.next(), None); } #[test] fn fully_consumed_drain() { let mut slab = Slab::new(); for i in 0..3 { slab.insert(i); } { let mut drain = slab.drain(); assert_eq!(Some(0), drain.next()); assert_eq!(Some(1), drain.next()); assert_eq!(Some(2), drain.next()); assert_eq!(None, drain.next()); } assert!(slab.is_empty()); } #[test] fn partially_consumed_drain() { let mut slab = Slab::new(); for i in 0..3 { slab.insert(i); } { let mut drain = slab.drain(); assert_eq!(Some(0), drain.next()); } assert!(slab.is_empty()) } #[test] fn drain_rev() { let mut slab = Slab::new(); for i in 0..10 { slab.insert(i); } slab.remove(9); let vals: Vec<u64> = slab.drain().rev().collect(); assert_eq!(vals, (0..9).rev().collect::<Vec<u64>>()); }

6950df95da0959fa0f4525987a941917162fd1a5

use conquer_once::spin::Lazy; use x86_64::structures::gdt::{Descriptor, GlobalDescriptorTable, SegmentSelector}; use x86_64::structures::tss::TaskStateSegment; use x86_64::VirtAddr; pub const DOUBLE_FAULT_IST_INDEX: u16 = 0; static TSS: Lazy<TaskStateSegment> = Lazy::new(|| { let mut tss = TaskStateSegment::new(); tss.interrupt_stack_table[DOUBLE_FAULT_IST_INDEX as usize] = { const STACK_SIZE: usize = 4096; static mut STACK: [u8; STACK_SIZE] = [0; STACK_SIZE]; let stack_start = VirtAddr::from_ptr(unsafe { &STACK }); let stack_end = stack_start + STACK_SIZE; stack_end }; tss }); static GDT: Lazy<(GlobalDescriptorTable, Selectors)> = Lazy::new(|| { let mut gdt = GlobalDescriptorTable::new(); let code_selector = gdt.add_entry(Descriptor::kernel_code_segment()); let tss_selector = gdt.add_entry(Descriptor::tss_segment(&TSS)); ( gdt, Selectors { code_selector, tss_selector, }, ) }); struct Selectors { code_selector: SegmentSelector, tss_selector: SegmentSelector, } pub fn init() { use x86_64::instructions::segmentation::set_cs; use x86_64::instructions::tables::load_tss; GDT.0.load(); unsafe { set_cs(GDT.1.code_selector); load_tss(GDT.1.tss_selector); } }

33b7483fb5620550dbcde0b6c1cea08179a3b140

// Copyright Materialize, Inc. All rights reserved. // // Use of this software is governed by the Business Source License // included in the LICENSE file. // // As of the Change Date specified in that file, in accordance with // the Business Source License, use of this software will be governed // by the Apache License, Version 2.0. //! A SQL stream processor built on top of [timely dataflow] and //! [differential dataflow]. //! //! [differential dataflow]: ../differential_dataflow/index.html //! [timely dataflow]: ../timely/index.html use std::convert::TryInto; use std::env; use std::net::SocketAddr; use std::path::PathBuf; use std::time::Duration; use compile_time_run::run_command_str; use futures::StreamExt; use openssl::ssl::{SslAcceptor, SslFiletype, SslMethod, SslVerifyMode}; use tokio::net::TcpListener; use tokio::sync::oneshot; use tokio_stream::wrappers::TcpListenerStream; use build_info::BuildInfo; use coord::{CacheConfig, LoggingConfig, PersistenceConfig}; use crate::mux::Mux; mod http; mod mux; mod server_metrics; mod version_check; // Disable jemalloc on macOS, as it is not well supported [0][1][2]. // The issues present as runaway latency on load test workloads that are // comfortably handled by the macOS system allocator. Consider re-evaluating if // jemalloc's macOS support improves. // // [0]: https://github.com/jemalloc/jemalloc/issues/26 // [1]: https://github.com/jemalloc/jemalloc/issues/843 // [2]: https://github.com/jemalloc/jemalloc/issues/1467 #[cfg(not(target_os = "macos"))] #[global_allocator] static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc; pub const BUILD_INFO: BuildInfo = BuildInfo { version: env!("CARGO_PKG_VERSION"), sha: run_command_str!( "sh", "-c", r#"if [ -n "$MZ_DEV_BUILD_SHA" ]; then echo "$MZ_DEV_BUILD_SHA" else # Unfortunately we need to suppress error messages from `git`, as # run_command_str will display no error message at all if we print # more than one line of output to stderr. git rev-parse --verify HEAD 2>/dev/null || { printf "error: unable to determine Git SHA; " >&2 printf "either build from working Git clone " >&2 printf "(see https://materialize.com/docs/install/#build-from-source), " >&2 printf "or specify SHA manually by setting MZ_DEV_BUILD_SHA environment variable" >&2 exit 1 } fi"# ), time: run_command_str!("date", "-u", "+%Y-%m-%dT%H:%M:%SZ"), target_triple: env!("TARGET_TRIPLE"), }; /// Configuration for a `materialized` server. #[derive(Debug, Clone)] pub struct Config { // === Timely and Differential worker options. === /// The number of Timely worker threads that this process should host. pub workers: usize, /// The Timely worker configuration. pub timely_worker: timely::WorkerConfig, // === Performance tuning options. === pub logging: Option<LoggingConfig>, /// The historical window in which distinctions are maintained for /// arrangements. /// /// As arrangements accept new timestamps they may optionally collapse prior /// timestamps to the same value, retaining their effect but removing their /// distinction. A large value or `None` results in a large amount of /// historical detail for arrangements; this increases the logical times at /// which they can be accurately queried, but consumes more memory. A low /// value reduces the amount of memory required but also risks not being /// able to use the arrangement in a query that has other constraints on the /// timestamps used (e.g. when joined with other arrangements). pub logical_compaction_window: Option<Duration>, /// The interval at which sources should be timestamped. pub timestamp_frequency: Duration, // === Connection options. === /// The IP address and port to listen on. pub listen_addr: SocketAddr, /// TLS encryption configuration. pub tls: Option<TlsConfig>, // === Storage options. === /// The directory in which `materialized` should store its own metadata. pub data_directory: PathBuf, pub persistence: Option<PersistenceConfig>, pub cache: Option<CacheConfig>, /// An optional symbiosis endpoint. See the /// [`symbiosis`](../symbiosis/index.html) crate for details. pub symbiosis_url: Option<String>, /// Whether to permit usage of experimental features. pub experimental_mode: bool, /// Whether to run in safe mode. pub safe_mode: bool, /// An optional telemetry endpoint. Use None to disable telemetry. pub telemetry_url: Option<String>, /// The frequency at which to update introspection pub introspection_frequency: Duration, } /// Configures TLS encryption for connections. #[derive(Debug, Clone)] pub struct TlsConfig { /// The TLS mode to use. pub mode: TlsMode, /// The path to the TLS certificate. pub cert: PathBuf, /// The path to the TLS key. pub key: PathBuf, } /// Configures how strictly to enforce TLS encryption and authentication. #[derive(Debug, Clone)] pub enum TlsMode { /// Require that all clients connect with TLS, but do not require that they /// present a client certificate. Require, /// Require that clients connect with TLS and present a certificate that /// is signed by the specified CA. VerifyCa { /// The path to a TLS certificate authority. ca: PathBuf, }, /// Like [`TlsMode::VerifyCa`], but the `cn` (Common Name) field of the /// certificate must additionally match the user named in the connection /// request. VerifyFull { /// The path to a TLS certificate authority. ca: PathBuf, }, } /// Start a `materialized` server. pub async fn serve(config: Config) -> Result<Server, anyhow::Error> { let workers = config.workers; // Validate TLS configuration, if present. let (pgwire_tls, http_tls) = match &config.tls { None => (None, None), Some(tls_config) => { let context = { // Mozilla publishes three presets: old, intermediate, and modern. They // recommend the intermediate preset for general purpose servers, which // is what we use, as it is compatible with nearly every client released // in the last five years but does not include any known-problematic // ciphers. We once tried to use the modern preset, but it was // incompatible with Fivetran, and presumably other JDBC-based tools. let mut builder = SslAcceptor::mozilla_intermediate_v5(SslMethod::tls())?; if let TlsMode::VerifyCa { ca } | TlsMode::VerifyFull { ca } = &tls_config.mode { builder.set_ca_file(ca)?; builder.set_verify(SslVerifyMode::PEER | SslVerifyMode::FAIL_IF_NO_PEER_CERT); } builder.set_certificate_file(&tls_config.cert, SslFiletype::PEM)?; builder.set_private_key_file(&tls_config.key, SslFiletype::PEM)?; builder.build().into_context() }; let pgwire_tls = pgwire::TlsConfig { context: context.clone(), mode: match tls_config.mode { TlsMode::Require | TlsMode::VerifyCa { .. } => pgwire::TlsMode::Require, TlsMode::VerifyFull { .. } => pgwire::TlsMode::VerifyUser, }, }; let http_tls = http::TlsConfig { context, mode: match tls_config.mode { TlsMode::Require | TlsMode::VerifyCa { .. } => http::TlsMode::Require, TlsMode::VerifyFull { .. } => http::TlsMode::AssumeUser, }, }; (Some(pgwire_tls), Some(http_tls)) } }; // Set this metric once so that it shows up in the metric export. crate::server_metrics::WORKER_COUNT .with_label_values(&[&workers.to_string()]) .set(workers.try_into().unwrap()); // Initialize network listener. let listener = TcpListener::bind(&config.listen_addr).await?; let local_addr = listener.local_addr()?; // Initialize coordinator. let (coord_handle, coord_client) = coord::serve(coord::Config { workers, timely_worker: config.timely_worker, symbiosis_url: config.symbiosis_url.as_deref(), logging: config.logging, data_directory: &config.data_directory, timestamp_frequency: config.timestamp_frequency, cache: config.cache, persistence: config.persistence, logical_compaction_window: config.logical_compaction_window, experimental_mode: config.experimental_mode, safe_mode: config.safe_mode, build_info: &BUILD_INFO, }) .await?; // Launch task to serve connections. // // The lifetime of this task is controlled by a trigger that activates on // drop. Draining marks the beginning of the server shutdown process and // indicates that new user connections (i.e., pgwire and HTTP connections) // should be rejected. Once all existing user connections have gracefully // terminated, this task exits. let (drain_trigger, drain_tripwire) = oneshot::channel(); tokio::spawn({ let start_time = coord_handle.start_instant(); async move { // TODO(benesch): replace with `listener.incoming()` if that is // restored when the `Stream` trait stabilizes. let mut incoming = TcpListenerStream::new(listener); let mut mux = Mux::new(); mux.add_handler(pgwire::Server::new(pgwire::Config { tls: pgwire_tls, coord_client: coord_client.clone(), })); mux.add_handler(http::Server::new(http::Config { tls: http_tls, coord_client, start_time, })); mux.serve(incoming.by_ref().take_until(drain_tripwire)) .await; } }); tokio::spawn({ let start_time = coord_handle.start_instant(); let frequency = config.introspection_frequency; async move { loop { server_metrics::update_uptime(start_time); tokio::time::sleep(frequency).await; } } }); // Start a task that checks for the latest version and prints a warning if // it finds a different version than currently running. if let Some(telemetry_url) = config.telemetry_url { tokio::spawn(version_check::check_version_loop( telemetry_url, coord_handle.cluster_id(), coord_handle.session_id(), coord_handle.start_instant(), )); } Ok(Server { local_addr, _drain_trigger: drain_trigger, _coord_handle: coord_handle, }) } /// A running `materialized` server. pub struct Server { local_addr: SocketAddr, // Drop order matters for these fields. _drain_trigger: oneshot::Sender<()>, _coord_handle: coord::Handle, } impl Server { pub fn local_addr(&self) -> SocketAddr { self.local_addr } }

0afa4c4cf01899cdcf7fe1be94acac41936835ce

use actix_web::{delete, get, post, web, Responder}; use sqlx::PgPool; use crate::user::active_code::model::ActiveCode; use crate::crud::{CRUD, deal_result}; #[post("/active_code/create")] async fn create(new: web::Json<ActiveCode>, db_pool: web::Data<PgPool>) -> impl Responder { let result = ActiveCode::create(new.into_inner(), db_pool.get_ref()).await; deal_result(result) } #[get("/active_code/read")] async fn read(db_pool: web::Data<PgPool>) -> impl Responder { let result = ActiveCode::read(db_pool.get_ref()).await; deal_result(result) } #[get("/active_code/read_by_code/{code}")] async fn read_by_code(code: web::Path<String>, db_pool: web::Data<PgPool>) -> impl Responder { let result = ActiveCode::read_by_key(code.into_inner(), db_pool.get_ref()).await; deal_result(result) } #[delete("/active_code/delete/{code}")] async fn delete(code: web::Path<String>, db_pool: web::Data<PgPool>) -> impl Responder { let result = ActiveCode::delete(code.into_inner(), db_pool.get_ref()).await; deal_result(result) } pub fn init(cfg: &mut web::ServiceConfig) { cfg.service(create); cfg.service(read); cfg.service(read_by_code); cfg.service(delete); }

d5a4827a142ffcd40ae82f341354e9f4c4915336

use super::{error::Error, name_restriction::check_measurement}; use derive_more::{Deref, Display}; use std::{borrow::Borrow, convert::TryFrom}; ///The part of the InfluxDB data structure that describes the data stored in the associated fields. #[derive(PartialEq, Eq, PartialOrd, Ord, Debug, Clone, Hash, Display, Deref)] pub struct Measurement(String); impl Measurement { pub fn new(measurement: impl Into<String>) -> Result<Self, Error> { let measurement = measurement.into(); check_measurement(&measurement)?; Ok(Measurement(measurement)) } } impl TryFrom<String> for Measurement { type Error = Error; fn try_from(value: String) -> Result<Self, Self::Error> { Self::new(value) } } impl TryFrom<&str> for Measurement { type Error = Error; fn try_from(value: &str) -> Result<Self, Self::Error> { Self::new(value) } } impl Borrow<str> for Measurement { #[inline] fn borrow(&self) -> &str { self.0.borrow() } } impl AsRef<str> for Measurement { #[inline] fn as_ref(&self) -> &str { self.0.as_ref() } }

8985c13cd4b79cd7373c9266ce022cd239971078

extern crate rand; use std::hash::{Hash, Hasher}; use std::time::{Duration, Instant}; use rand::{thread_rng, Rng}; use crate::config::Config; #[derive(Debug, Clone)] pub struct Peer { config: Config, uri: String, ping_at: Instant, stable_at: Instant, inactive_at: Instant, remove_at: Instant, } impl Peer { pub fn new(uri: String, config: Config) -> Self { let now = Instant::now(); // Initial ping at should be immediate let ping_at = now; // The rest are regular let stable_at = now + config.stable_delay; // Until the peer pings - it should be treated as inactive let inactive_at = now - config.ping_every.max; let remove_at = now + config.remove_timeout; Self { config, uri, ping_at, stable_at, inactive_at, remove_at, } } fn ping_delay(config: &Config) -> Duration { let min = config.ping_every.min; let max = config.ping_every.max; let min = min.as_secs() as f64 + f64::from(min.subsec_nanos()) * 1e-9; let max = max.as_secs() as f64 + f64::from(max.subsec_nanos()) * 1e-9; let val = thread_rng().gen_range(min, max); let secs = val as u64; let nsecs = ((val - secs as f64) * 1e9) as u32; Duration::new(secs, nsecs) } pub fn uri(&self) -> &str { &self.uri } pub fn mark_alive(&mut self) { let now = Instant::now(); let was_active = self.is_active(now); self.remove_at = now + self.config.alive_timeout + self.config.remove_timeout; self.inactive_at = now + self.config.alive_timeout; self.ping_at = now + Peer::ping_delay(&self.config); // Re-instantiate stable delay if !was_active { self.stable_at = now + self.config.stable_delay; } } pub fn should_remove(&self, now: Instant) -> bool { self.remove_at <= now } pub fn should_ping(&self, now: Instant) -> bool { self.ping_at <= now } pub fn is_stable(&self, now: Instant) -> bool { self.stable_at <= now } pub fn is_active(&self, now: Instant) -> bool { now < self.inactive_at } } impl PartialEq for Peer { fn eq(&self, other: &Self) -> bool { self.uri == other.uri } } impl Eq for Peer {} impl Hash for Peer { fn hash<H: Hasher>(&self, state: &mut H) { self.uri.hash(state); } }

f95e48d37c20d734512ea5ffc8e341d35701f576

// This file was ((taken|adapted)|contains (data|code)) from twitch_api, // Copyright 2017 Matt Shanker // It's licensed under the Apache License, Version 2.0. // You may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. // (Modifications|Other (data|code)|Everything else) Copyright 2019 the // libtwitch-rs authors. See copying.md for further legal info. use std::{ self, collections::HashMap, io::Write, }; use serde::Deserialize; use super::super::{ response::TwitchResult, TwitchClient, }; /// Gets games sorted by number of current viewers on Twitch, most popular first /// /// #### Authentication: `None` pub fn top(c: &TwitchClient) -> TwitchResult<TopGames> { let iter = TopGames { client: c, cur: None, offset: 0, }; Ok(iter) } /////////////////////////////////////// // GetTopGames /////////////////////////////////////// pub struct TopGames<'c> { client: &'c TwitchClient, cur: Option<SerdeTopGames>, offset: i32, } #[derive(Deserialize, Debug)] pub struct TopGame { pub channels: i32, pub viewers: i32, pub game: Game, } #[derive(Deserialize, Debug)] pub struct Game { #[serde(rename = "_id")] pub id: i64, #[serde(rename = "box")] pub _box: HashMap<String, String>, pub giantbomb_id: i64, pub logo: HashMap<String, String>, pub name: String, #[serde(default)] pub popularity: i32, } #[derive(Deserialize, Debug)] struct SerdeTopGames { top: Vec<TopGame>, } impl<'c> Iterator for TopGames<'c> { type Item = TopGame; fn next(&mut self) -> Option<TopGame> { let url = &format!("/games/top?limit=100&offset={}", self.offset); next_result!(self, &url, SerdeTopGames, top) } } /////////////////////////////////////// // TESTS /////////////////////////////////////// #[cfg(test)] mod tests { use crate::{ new, tests::CLIENTID, }; #[test] fn top() { let c = new(String::from(CLIENTID)); let mut r = super::top(&c).unwrap(); r.next(); } }

b96e87c6545a8a83418dea3fbaa970fc45135b27

use gdnative::prelude::*; #[derive(ToVariant)] pub struct Foo { #[variant(aoeu = "aoeu")] bar: String, } fn main() {}

503e8b26912b89e81e9d871b75269b9fd56d0a93

pub mod database; pub mod external; pub use database::LocalDatabase; pub use external::AuthServer; pub use super::key::KeyAttestation; use sshcerts::ssh::{CertType, Extensions}; #[derive(Debug)] pub enum AuthorizationError { CertType, NotAuthorized, AuthorizerError, } #[derive(Debug)] pub struct Authorization { pub serial: u64, pub valid_before: u64, pub valid_after: u64, pub principals: Vec<String>, pub hosts: Option<Vec<String>>, pub extensions: Extensions, pub force_command: Option<String>, pub force_source_ip: bool, } #[derive(Debug)] pub struct AuthorizationRequestProperties { pub fingerprint: String, pub mtls_identities: Vec<String>, pub requester_ip: String, pub principals: Vec<String>, pub servers: Vec<String>, pub valid_before: u64, pub valid_after: u64, pub cert_type: CertType, } #[derive(Debug)] pub struct RegisterKeyRequestProperties { pub fingerprint: String, pub mtls_identities: Vec<String>, pub requester_ip: String, pub attestation: Option<KeyAttestation>, } pub enum AuthMechanism { Local(LocalDatabase), External(AuthServer), }

1d7828d397b40fbd65dadcef7ff71928f7f96e02

extern crate catalyst_protocol_sdk_rust; use catalyst_protocol_sdk_rust::prelude::*; use catalyst_protocol_sdk_rust::Cryptography::ErrorCode; #[cfg(test)] mod tests { use super::*; #[test] fn can_access_value_of_error_code(){ ErrorCode::NO_ERROR.value(); } }

de031f4f1bca7e29ff244abc9b360d0afc3caa16

pub mod css; pub mod dom_creator; pub mod printing;

8fc4a88d1fe6bf8b201636de07deb1ab00b98584

/* * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. * SPDX-License-Identifier: Apache-2.0. */ use aws_config::meta::region::RegionProviderChain; use aws_sdk_lambda::{Client, Error, Region, PKG_VERSION}; use std::str; use structopt::StructOpt; #[derive(Debug, StructOpt)] struct Opt { /// The AWS Region. #[structopt(short, long)] region: Option<String>, /// The Lambda function's ARN. #[structopt(short, long)] arn: String, /// Whether to display additional runtime information. #[structopt(short, long)] verbose: bool, } /// Invokes a Lambda function by its ARN. /// # Arguments /// /// * `-a ARN` - The ARN of the Lambda function. /// * `[-r REGION]` - The Region in which the client is created. /// If not supplied, uses the value of the **AWS_REGION** environment variable. /// If the environment variable is not set, defaults to **us-west-2**. /// * `[-v]` - Whether to display additional information. #[tokio::main] async fn main() -> Result<(), Error> { tracing_subscriber::fmt::init(); let Opt { arn, region, verbose, } = Opt::from_args(); let region_provider = RegionProviderChain::first_try(region.map(Region::new)) .or_default_provider() .or_else(Region::new("us-west-2")); let shared_config = aws_config::from_env().region(region_provider).load().await; if verbose { println!("Lambda version: {}", PKG_VERSION); println!("Region: {}", shared_config.region().unwrap()); println!("Function ARN: {}", arn); println!(); } let client = Client::new(&shared_config); let resp = client.invoke().function_name(arn).send().await?; if let Some(blob) = resp.payload { let s = str::from_utf8(blob.as_ref()).expect("invalid utf-8"); println!("Response: {:?}", s); } Ok(()) }

abfb6bfdae6abad202e5aef3ed912a69eb02bae0

pub use crate::{ regular_cell_data::*, transition_cell_data::*, };

3381377c4c2f1ae7b5c4bdd0e255f9e8c26a108d

#[doc = "Reader of register MICR"] pub type R = crate::R<u32, super::MICR>; #[doc = "Writer for register MICR"] pub type W = crate::W<u32, super::MICR>; #[doc = "Register MICR `reset()`'s with value 0"] impl crate::ResetValue for super::MICR { type Type = u32; #[inline(always)] fn reset_value() -> Self::Type { 0 } } #[doc = "Reader of field `RESERVED1`"] pub type RESERVED1_R = crate::R<u32, u32>; #[doc = "Write proxy for field `RESERVED1`"] pub struct RESERVED1_W<'a> { w: &'a mut W, } impl<'a> RESERVED1_W<'a> { #[doc = r"Writes raw bits to the field"] #[inline(always)] pub unsafe fn bits(self, value: u32) -> &'a mut W { self.w.bits = (self.w.bits & !(0x7fff_ffff << 1)) | (((value as u32) & 0x7fff_ffff) << 1); self.w } } #[doc = "Reader of field `IC`"] pub type IC_R = crate::R<bool, bool>; #[doc = "Write proxy for field `IC`"] pub struct IC_W<'a> { w: &'a mut W, } impl<'a> IC_W<'a> { #[doc = r"Sets the field bit"] #[inline(always)] pub fn set_bit(self) -> &'a mut W { self.bit(true) } #[doc = r"Clears the field bit"] #[inline(always)] pub fn clear_bit(self) -> &'a mut W { self.bit(false) } #[doc = r"Writes raw bits to the field"] #[inline(always)] pub fn bit(self, value: bool) -> &'a mut W { self.w.bits = (self.w.bits & !0x01) | ((value as u32) & 0x01); self.w } } impl R { #[doc = "Bits 1:31 - 31:1\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."] #[inline(always)] pub fn reserved1(&self) -> RESERVED1_R { RESERVED1_R::new(((self.bits >> 1) & 0x7fff_ffff) as u32) } #[doc = "Bit 0 - 0:0\\] Interrupt clear Writing 1 to this bit clears MRIS.RIS and MMIS.MIS . Reading this register returns no meaningful data."] #[inline(always)] pub fn ic(&self) -> IC_R { IC_R::new((self.bits & 0x01) != 0) } } impl W { #[doc = "Bits 1:31 - 31:1\\] Software should not rely on the value of a reserved. Writing any other value than the reset value may result in undefined behavior."] #[inline(always)] pub fn reserved1(&mut self) -> RESERVED1_W { RESERVED1_W { w: self } } #[doc = "Bit 0 - 0:0\\] Interrupt clear Writing 1 to this bit clears MRIS.RIS and MMIS.MIS . Reading this register returns no meaningful data."] #[inline(always)] pub fn ic(&mut self) -> IC_W { IC_W { w: self } } }