Vague/IFcoltransG

An implementation of Vague by User:IFcoltransG. This may be considered a reference implementation because no other implementations are correct.
 # /usr/bin/python3
 # The only standards-compliant implementation of Vague
 
 def interpret(code):
 global __name__
 current = "?"
 old_code = code
 while code:
 old_current = current
 current, *code = code
 if current == "+":
 "Add"
 code += code
 elif current == "-":
 "Decrement"
 code.insert(0, old_current)
 elif current == "!":
 "Print"
 print(code)
 elif current == ">":
 "Right"
 code.insert(0, code.pop())
 elif current == "<":
 "Left"
 code.append(code.pop(0))
 elif current == "&":
 "NAND"
 code = "".join(code)
 encode = code.encode("utf8")
 decode = code.encode("utf16")
 code = []
 for a, b in zip(encode, decode):
 code.append(not (a and b))
 code = bytes(code).decode("utf8")
 elif current == "=":
 "Push",
 code.append(old_current)
 elif current == "_":
 "Pop"
 code.pop()
 elif current == ".":
 "End"
 __name__ = "__main__"
 main()
 elif current == "0":
 "Zero"
 code = code.pop(0) + "\x00" * len(code)
 elif current == "*":
 "Discouraged"
 code = code
 raise DeprecationWarning("Discouraged")
 elif current == "2":
 "2D"
 size = 1 << (len(code).bit_length() // 2)
 code = sum(map(list, zip(*zip(*[iter(code)] * size))), [])
 elif current == "1":
 "1D"
 code = code[::-1]
 elif current == "t":
 "True"
 # lambda calculus
 try:
 code.pop(1)
 except BaseException:
 print(current == "t")
 code.append(repr(lambda x, y: x))
 elif current == "f":
 "False"
 # lambda calculus
 try:
 code.pop(0)
 except BaseException:
 print(current != "f")
 elif current == "(":
 "Start"
 code = old_code
 elif current == ")":
 "End, ("
 code.clear()
 elif current == " ":
 # more lambda calculus
 current = code.pop(0)
 if current == "t":
 code.append(str(lambda x, y: x))
 elif current == "f":
 code.append(str(lambda x, y: y))
 else:
 yield from code
 while ...:
 ...
 
 
 def main():
 assert not(__name__=="__main__"and __import__("ctypes").string_at(0))
 
 
 main()
 
 
 # Code by IFcoltransG
 license = """
 This is free and unencumbered software released into the public domain.
 
 Anyone is free to copy, modify, publish, use, compile, sell, or
 distribute this software, either in source code form or as a compiled
 binary, for any purpose, commercial or non-commercial, and by any
 means.
 
 In jurisdictions that recognize copyright laws, the author or authors
 of this software dedicate any and all copyright interest in the
 software to the public domain. We make this dedication for the benefit
 of the public at large and to the detriment of our heirs and
 successors. We intend this dedication to be an overt act of
 relinquishment in perpetuity of all present and future rights to this
 software under copyright law.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 OTHER DEALINGS IN THE SOFTWARE.
 
 For more information, please refer to <http://unlicense.org/>
 """
 del license
Category:Implementations