Piet_interpreter/interpreter/lexerTokens.py
2020-04-29 13:42:12 +02:00

78 lines
2.2 KiB
Python

from typing import Tuple, Union
import numpy as np
import interpreter.imageWrapper as imageWrapper
import interpreter.movement as movement
import interpreter.colors as colors
class baseLexerToken():
def __init__(self, tokenType: str):
self.tokenType = tokenType
def __str__(self):
return "Token tokenType = {}".format(self.tokenType)
def __repr__(self):
return str(self)
class toBlackToken(baseLexerToken):
def __init__(self, tokenType: str = "toBlack"):
super().__init__(tokenType)
class toWhiteToken(baseLexerToken):
def __init__(self):
super().__init__("toWhite")
class terminateToken(baseLexerToken):
def __init__(self):
super().__init__("exit")
class toColorToken(baseLexerToken):
def __init__(self, tokenType: str, codelSize: int):
super().__init__(tokenType)
self.codelSize = codelSize
def __str__(self):
return "{}, codelSize = {}".format(super().__str__(), self.codelSize)
def getToken(hueChange: int, lightChange: int) -> str:
tokens = [
["noop", "push", "pop"],
["add", "subtract", "multiply"],
["divide", "mod", "not"],
["greater", "pointer", "switch"],
["duplicate", "roll", "inN"],
["inC", "outN", "outC"],
]
return tokens[hueChange][lightChange]
def edgeToToken(image: np.ndarray, edge: Tuple[Tuple[int, int], Tuple[int, int]]) -> Union[baseLexerToken, bool]:
"""
:param image:
:param edge: (position, direction)
:return:
"""
if not imageWrapper.boundsChecker(image, edge[0]):
return False
nextPosition = movement.getNextPosition(edge[0], edge[1][0])
if not imageWrapper.boundsChecker(image, nextPosition):
return toBlackToken("edge")
elif colors.isBlack(imageWrapper.getPixel(image, nextPosition)):
return toBlackToken("toBlack")
if colors.isWhite(imageWrapper.getPixel(image, nextPosition)):
return toWhiteToken()
colorChange = colors.getPixelChange(imageWrapper.getPixel(image, edge[0]), imageWrapper.getPixel(image, nextPosition))
tokenType = getToken(colorChange['hueChange'], colorChange['lightChange'])
return toColorToken(tokenType, len(imageWrapper.getCodel(image, edge[0])))