def stateLinebreak(cls, parserState: ParserState):
token = parserState.Token
if isinstance(token, SpaceToken):
parserState.NewToken = IndentationToken(token)
parserState.NewBlock = IndentationBlock(parserState.LastBlock, parserState.NewToken)
parserState.Pop()
else:
parserState.Pop()
if (parserState.TokenMarker is None):
# print(" new marker: None -> {0!s}".format(token))
parserState.TokenMarker = token
# print(" {DARK_GREEN}re-issue: {GREEN}{state!s} {DARK_GREEN}token={GREEN}{token}{NOCOLOR}".format(state=parserState, token=parserState.Token, **Console.Foreground))
parserState.NextState(parserState)
def stateDeclarativeRegion(cls, parserState: ParserState):
errorMessage = "Expected one of these keywords: generic, port, begin, end."
token = parserState.Token
if isinstance(parserState.Token, CharacterToken):
if (token == "\n"):
parserState.NewToken = LinebreakToken(token)
parserState.NewBlock = LinebreakBlock(parserState.LastBlock,
parserState.NewToken)
parserState.TokenMarker = parserState.NewToken
return
elif (token == "-"):
parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart
parserState.TokenMarker = token
return
elif (token == "/"):
parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart
parserState.TokenMarker = token
return
elif isinstance(token, SpaceToken):
parserState.NewToken = IndentationToken(token)
parserState.NewBlock = IndentationBlock(parserState.LastBlock,
parserState.NewToken)
return
elif isinstance(token, StringToken):
keyword = token.Value.lower()
if (keyword == "generic"):
newToken = GenericKeyword(token)
parserState.PushState = GenericList.OpenBlock.stateGenericKeyword
elif (keyword == "port"):
newToken = PortKeyword(token)
parserState.PushState = PortList.OpenBlock.statePortKeyword
elif (keyword == "end"):
newToken = EndKeyword(token)
parserState.NextState = EndGenerateBlock.stateEndKeyword
elif (keyword == "begin"):
parserState.NewToken = BeginKeyword(token)
parserState.NewBlock = ElseGenerateBeginBlock(
parserState.LastBlock, parserState.NewToken)
parserState.NextState = ElseGenerateBeginBlock.stateBeginKeyword
return
else:
raise TokenParserException(errorMessage, token)
parserState.NewToken = newToken
parserState.TokenMarker = newToken
return
raise TokenParserException(errorMessage, token)
def stateOpeningParenthesis(cls, parserState: ParserState):
token = parserState.Token
errorMessage = "Expected generic name (identifier)."
if isinstance(token, CharacterToken):
if (token == ")"):
# if (parserState.TokenMarker != token):
# parserState.NewBlock = IndentationBlock(parserState.LastBlock, parserState.TokenMarker, token.PreviousToken)
parserState.Pop()
parserState.TokenMarker = token
return
elif (token == "\n"):
parserState.NewToken = LinebreakToken(token)
parserState.NewBlock = LinebreakBlock(parserState.LastBlock,
parserState.NewToken)
parserState.TokenMarker = None
parserState.PushState = LinebreakBlock.stateLinebreak
return
elif (token == "-"):
parserState.TokenMarker = None
parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart
parserState.TokenMarker = token
return
elif (token == "/"):
parserState.TokenMarker = None
parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart
parserState.TokenMarker = token
return
elif isinstance(token, SpaceToken):
parserState.NewToken = IndentationToken(token)
parserState.NewBlock = IndentationBlock(parserState.LastBlock,
parserState.NewToken)
return
elif isinstance(token, StringToken):
parserState.NewToken = IdentifierToken(token)
parserState.TokenMarker = parserState.NewToken
parserState.NextState = ItemBlock.stateItemRemainder
# if (parserState.TokenMarker != token):
# parserState.NewBlock = IndentationBlock(parserState.LastBlock, parserState.TokenMarker, token)
return
raise TokenParserException(errorMessage, token)