text: #!/bin/bash
  
  # Copyright 2019 The Go Authors. All rights reserved.
  # Use of this source code is governed by a BSD-style
  # license that can be found in the LICENSE file.
  
  set -e
  shopt -s nullglob
  
  winerror="$(printf '%s\n' "/mnt/c/Program Files (x86)/Windows Kits/"/*/Include/*/shared/winerror.h | sort -Vr | head -n 1)"
  [[ -n $winerror ]] || { echo "Unable to find winerror.h" >&2; exit 1; }
  
  declare -A errors
  
  {
  	echo "// Code generated by 'mkerrors.bash'; DO NOT EDIT."
  	echo
  	echo "package windows"
  	echo "import \"syscall\""
  	echo "const ("
  
  	while read -r line; do
  		unset vtype
  		if [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?([A-Z][A-Z0-9_]+k?)\)? ]]; then
  			key="${BASH_REMATCH[1]}"
  			value="${BASH_REMATCH[3]}"
  		elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +([A-Z0-9_]+\()?((0x)?[0-9A-Fa-f]+)L?\)? ]]; then
  			key="${BASH_REMATCH[1]}"
  			value="${BASH_REMATCH[3]}"
  			vtype="${BASH_REMATCH[2]}"
  		elif [[ $line =~ ^#define\ +([A-Z0-9_]+k?)\ +\(\(([A-Z]+)\)((0x)?[0-9A-Fa-f]+)L?\) ]]; then
  			key="${BASH_REMATCH[1]}"
  			value="${BASH_REMATCH[3]}"
  			vtype="${BASH_REMATCH[2]}"
  		else
  			continue
  		fi
  		[[ -n $key && -n $value ]] || continue
  		[[ -z ${errors["$key"]} ]] || continue
  		errors["$key"]="$value"
  		if [[ -v vtype ]]; then
  			if [[ $key == FACILITY_* || $key == NO_ERROR ]]; then
  				vtype=""
  			elif [[ $vtype == *HANDLE* || $vtype == *HRESULT* ]]; then
  				vtype="Handle"
  			else
  				vtype="syscall.Errno"
  			fi
  			last_vtype="$vtype"
  		else
  			vtype=""
  			if [[ $last_vtype == Handle && $value == NO_ERROR ]]; then
  				value="S_OK"
  			elif [[ $last_vtype == syscall.Errno && $value == NO_ERROR ]]; then
  				value="ERROR_SUCCESS"
  			fi
  		fi
  
  		echo "$key $vtype = $value"
  	done < "$winerror"
  
  	echo ")"
  } | gofmt > "zerrors_windows.go"
  