def stateSubtypeIndication(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ';')): parserState.NewToken = EndToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = cls.END_BLOCK(parserState.NewBlock, parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace4 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace4 return raise BlockParserException( "Expected ';' or whitespace after subtype indication.", token)
def stateInKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.TokenMarker = parserState.NewToken parserState.NextState = LoopBlock.stateSequentialRegion parserState.PushState = ExpressionBlockEndedByLoopORToORDownto.stateExpression return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise TokenParserException( "Expected '(' or whitespace after keyword IN.", token)
def stateAfterParameterList(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, StringToken): if (token <= "is"): parserState.NewToken = IsKeyword(token) parserState.NewBlock = VoidBlock(parserState.LastBlock, parserState.TokenMarker, parserState.NewToken) parserState.NextState = DeclarativeRegion.stateDeclarativeRegion return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance(token, LinebreakToken) else CommentBlock parserState.NewBlock = block(parserState.LastBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise TokenParserException("Expected keyword RETURN.", token)
def stateFunctionName(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = ParameterList.OpenBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = ReturnTypeBlock.stateAfterParameterList parserState.PushState = ParameterList.OpenBlock.stateOpeningParenthesis parserState.Counter = 1 return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace2 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return raise BlockParserException( "Expected '(' or whitespace after function name.", token)
def stateItemDelimiter(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.TokenMarker = parserState.NewToken parserState.NextState = ItemBlock.stateItemRemainder return elif isinstance(token, ExtendedIdentifier): parserState.NextState = ItemBlock.stateItemRemainder return elif isinstance(token, SpaceToken): parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, LinebreakToken): parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = token parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return raise BlockParserException("Expected signal name (identifier).", token)
def stateObjectName(cls, parserState: ParserState): token = parserState.Token if isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace2 return elif (isinstance(token, CharacterToken) and (token == ":")): parserState.NewToken = DelimiterToken(token) parserState.NextState = cls.stateColon1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 return raise BlockParserException( "Expected whitespace after interface {0} name.".format( cls.OBJECT_KIND), token)
def stateColon1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): try: parserState.NewToken = cls.MODES[token.Value.lower()](token) parserState.NextState = cls.stateModeKeyword return except KeyError: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateSubtypeIndication return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise BlockParserException( "Expected subtype indication or whitespace after colon.", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, WordToken): if (token <= "when"): parserState.NewToken = WhenKeyword(token) parserState.NextState = cls.stateWhenKeyword return else: parserState.NewToken = IdentifierToken(token) # parserState.TokenMarker = parserState.NewToken parserState.NextState = cls.stateExitLoopLabel return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateExitLoopLabel return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance(token, LinebreakToken) else CommentBlock parserState.NewBlock = block(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected ';', keyword WHEN or loop label.", token)
def stateVariableAssignment(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ':=' or whitespace after type mark." if isinstance(token, CharacterToken): if (token == "\n"): parserState.NewBlock = TypeBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace5 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = TypeBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace5 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = TypeBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace5 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace5 return raise TokenParserException(errorMessage, token)
def stateNextKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) # parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken, multiPart=True) # parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise BlockParserException( "Expected ';' or whitespace after keyword EXIT.", token)
def stateBlockKeyword(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected whitespace after keyword " if isinstance(token, CharacterToken): if (token == "\n"): parserState.NewBlock = NameBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = NameBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = NameBlock(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace1 return raise BlockParserException(errorMessage, token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateConfigurationName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateConfigurationName return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = CommentBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected configuration name (identifier).", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): parserState.NewToken = IdentifierToken(token) parserState.TokenMarker = parserState.NewToken parserState.NextState = LibraryNameBlock.stateLibraryName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = LibraryNameBlock.stateLibraryName return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = block(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException("Expected library name (identifier).", token)
def statePortKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = CloseBlock.stateClosingParenthesis parserState.PushState = cls.stateOpeningParenthesis return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise BlockParserException( "Expected '(' or whitespace after keyword PORT.", token)
def stateItemDelimiter(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): if (token <= "signal"): parserState.NewToken = SignalKeyword(token) parserState.PushState = PortListInterfaceSignalBlock.stateSignalKeyword parserState.TokenMarker = parserState.NewToken return else: parserState.NewToken = IdentifierToken(token) parserState.PushState = PortListInterfaceSignalBlock.stateObjectName parserState.TokenMarker = parserState.NewToken return elif isinstance(token, ExtendedIdentifier): parserState.NextState = PortListInterfaceSignalBlock.stateObjectName return elif isinstance(token, SpaceToken): parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, LinebreakToken): parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = token parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None # parserState.NextState = cls.stateWhitespace1 return raise BlockParserException("Expected port name (identifier).", token)
def stateDelimiter(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = LibraryNameBlock.stateLibraryName parserState.TokenMarker = parserState.NewToken return elif isinstance(token, ExtendedIdentifier): parserState.NextState = LibraryNameBlock.stateLibraryName return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) # parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = parserState.NewToken parserState.NextState = cls.stateWhitespace1 return raise TokenParserException("Expected library name (identifier).", token)
def stateWhenKeyword(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if (token == ";"): parserState.NewToken = EndToken(token) parserState.NewBlock = EndBlock(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.Pop() return elif (token == "("): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.TokenMarker = parserState.NewToken parserState.NextState = EndBlock.stateError parserState.PushState = ExitConditionBlock.stateExpression return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance(token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise BlockParserException("Expected ';' or whitespace after keyword RETURN.", token)
def stateReturnType(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ';' or whitespace after type mark (return type)." if (isinstance(token, CharacterToken) and (token == ";")): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace3 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace3 return raise BlockParserException(errorMessage, token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return else: parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken) parserState.NextState = ThenBlock.stateThenKeyword parserState.PushState = ExpressionBlockEndedByThen.stateExpression parserState.TokenMarker = parserState.Token parserState.NextState(parserState) return
def stateElsIfKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.TokenMarker = parserState.NewToken parserState.NextState = ThenBlock.stateThenKeyword parserState.PushState = ExpressionBlockEndedByThen.stateExpression return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance(token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return else: parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken) parserState.NextState = ThenBlock.stateThenKeyword parserState.PushState = ExpressionBlockEndedByThen.stateExpression parserState.TokenMarker = parserState.Token parserState.NextState(parserState) return
def stateWhitespace0(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateVariableKeyword return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateVariableKeyword return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = CommentBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise BlockParserException("Expected whitespace after keyword SHARED.", token)
def stateWhitespace2(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected attribute name (identifier)." if isinstance(token, CharacterToken): if (token == ":"): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateColon1 return if (token == "\n"): parserState.NewToken = LinebreakToken(token) if (not isinstance(parserState.LastBlock, MultiLineCommentBlock)): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) else: parserState.NewBlock = LinebreakBlock( parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = AttributeDeclarationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateColon1() return elif (isinstance(token, SpaceToken) and isinstance(parserState.LastBlock, MultiLineCommentBlock)): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException(errorMessage, token)
def stateExpression(cls, parserState: ParserState): token = parserState.Token if isinstance(token, FusedCharacterToken): parserState.NewToken = cls.FUSED_CHARACTER_TRANSLATION[ token.Value](token) return elif isinstance(token, CharacterToken): if (token == "("): parserState.NewToken = OpeningRoundBracketToken(token) parserState.Counter += 1 return elif (token == ")"): parserState.NewToken = ClosingRoundBracketToken(token) parserState.Counter -= 1 return else: parserState.NewToken = cls.CHARACTER_TRANSLATION[token.Value]( token) return elif isinstance(token, StringToken): if (token <= cls.EXIT_KEYWORD.__KEYWORD__): parserState.NewToken = cls.EXIT_KEYWORD(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = cls.EXIT_BLOCK(parserState.NewBlock, parserState.NewToken) parserState.Pop() # parserState.TokenMarker = parserState.NewToken return else: try: parserState.NewToken = cls.OPERATOR_TRANSLATIONS[ token.Value](token) except KeyError: parserState.NewToken = IdentifierToken(token) return elif isinstance(token, LiteralToken): return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace1 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 return raise TokenParserException( "Expected '(' or whitespace after keyword GENERIC.", token)
def statePossibleCommentStart(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "*")): parserState.NewToken = MultiLineCommentStartKeyword(parserState.TokenMarker) parserState.TokenMarker = parserState.NewToken parserState.NextState = cls.stateConsumeComment return else: parserState.Pop() # 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 stateWhitespace3(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if (token == ";"): parserState.NewToken = EndToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif isinstance(token, StringToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateSimpleName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateSimpleName return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException( "Expected ';' or {0} name.".format(cls.EXPECTED_NAME), token)
def stateItemDelimiter(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): if (token <= "constant"): parserState.NewToken = ConstantKeyword(token) parserState.PushState = GenericListInterfaceConstantBlock.stateConstantKeyword parserState.TokenMarker = parserState.NewToken return elif (token <= "type"): parserState.NewToken = TypeKeyword(token) parserState.PushState = GenericListInterfaceTypeBlock.stateTypeKeyword parserState.TokenMarker = parserState.NewToken return elif (token <= "procedure"): raise NotImplementedError( "Generic procedures are not supported.") elif (token <= "function"): raise NotImplementedError( "Generic functions are not supported.") elif (token <= "impure"): raise NotImplementedError( "Generic impure functions are not supported.") elif (token <= "pure"): raise NotImplementedError( "Generic pure functions are not supported.") else: parserState.NewToken = IdentifierToken(token) parserState.PushState = GenericListInterfaceConstantBlock.stateObjectName parserState.TokenMarker = parserState.NewToken return elif isinstance(token, ExtendedIdentifier): parserState.NextState = GenericListInterfaceConstantBlock.stateObjectName return elif isinstance(token, SpaceToken): parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, LinebreakToken): parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = token parserState.NextState = OpenBlock.stateOpeningParenthesis return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None # parserState.NextState = cls.stateWhitespace1 return raise BlockParserException("Expected generic name (identifier).", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): tokenValue = token.Value.lower() if (tokenValue == "when"): newToken = WhenKeyword(token) parserState.NewToken = newToken parserState.TokenMarker = newToken parserState.NextState = WhenBlock.stateWhenKeyword return elif (tokenValue == "end"): parserState.NewToken = EndKeyword(token) parserState.NextState = cls.END_BLOCK.stateEndKeyword return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, IndentationToken) and isinstance(token.PreviousToken, (LinebreakToken, SingleLineCommentToken))): return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance( parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException( "Expected one of these keywords: WHEN or END. Found: '{tokenValue}'." .format(tokenValue=token.Value), token)
def stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == "(")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = ParameterList.OpenBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = VoidBlock.stateAfterParameterList parserState.PushState = ParameterList.OpenBlock.stateOpeningParenthesis parserState.Counter = 1 return elif isinstance(token, StringToken): keyword = token.Value.lower() if (keyword == "is"): parserState.NewToken = IsKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = VoidBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = parserState.NewToken parserState.NextState = VoidBlock.stateDeclarativeRegion return elif (keyword == "generic"): parserState.NewToken = GenericKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.NextState = GenericList.OpenBlock.stateGenericKeyword parserState.TokenMarker = parserState.NewToken return elif (keyword == "parameter"): parserState.NewToken = ParameterKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.NextState = ParameterList.OpenBlock.stateParameterKeyword parserState.TokenMarker = parserState.NewToken return elif isinstance(token, LinebreakToken): if (not (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = LinebreakBlock(parserState.NewBlock, token) else: parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = CommentBlock(parserState.NewBlock, token) parserState.TokenMarker = None return elif (isinstance(token, SpaceToken) and (isinstance(parserState.LastBlock, CommentBlock) and isinstance(parserState.LastBlock.StartToken, MultiLineCommentToken))): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = WhitespaceBlock(parserState.LastBlock, parserState.NewToken) parserState.TokenMarker = None return raise TokenParserException("Expected '(' or keywords GENERIC, PARAMETER or RETURN after procedure name.", token)
def stateSubtypeIndication(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, FusedCharacterToken) and (token == ":=")): parserState.NewToken = VariableAssignmentKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = cls.DELIMITER_BLOCK.stateItemDelimiter parserState.PushState = cls.EXPRESSION.stateBeforeExpression parserState.TokenMarker = None parserState.Counter = 0 return elif isinstance(token, CharacterToken): if (token == ';'): parserState.NewToken = DelimiterToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = cls.DELIMITER_BLOCK(parserState.NewBlock, parserState.NewToken) parserState.Pop() return elif (token == ')'): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = cls( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) parserState.Pop(2) parserState.TokenMarker = parserState.NewToken return elif isinstance(token, SpaceToken): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateWhitespace5 return elif isinstance(token, (LinebreakToken, CommentToken)): block = LinebreakBlock if isinstance( token, LinebreakToken) else CommentBlock parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) _ = block(parserState.NewBlock, token) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace5 return raise TokenParserException( "Expected ';', ':=' or whitespace after subtype indication.", token)
def stateEntityInstantiationName(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ';' after entityInstantiation name." if isinstance(token, CharacterToken): if (token == ";"): parserState.NewToken = EndToken(token) parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.Pop() return elif (token == "\n"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.NewToken = LinebreakToken(token) _ = LinebreakBlock(parserState.NewBlock, parserState.NewToken) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = EntityInstantiationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace2 parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif isinstance(token, SpaceToken): parserState.NextState = cls.stateWhitespace2 return raise TokenParserException(errorMessage, token)