def stateIfKeyword(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 stateWhitespace1(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected '(' after keyword GENERIC." if isinstance(token, CharacterToken): if (token == "("): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = OpenBlock(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = CloseBlock.stateClosingParenthesis parserState.PushState = OpenBlock.stateOpeningParenthesis parserState.Counter = 1 return elif (token == "\n"): parserState.NewToken = LinebreakToken(token) if (not isinstance(parserState.LastBlock, MultiLineCommentBlock)): parserState.NewBlock = OpenBlock( 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.NextState = cls.stateWhitespace1 parserState.PushState = LinebreakBlock.stateLinebreak return elif (token == "-"): parserState.NewBlock = OpenBlock(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 = OpenBlock(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) 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 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 stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ":")): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateColon1 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 colon after {0} name.".format(cls.OBJECT_KIND), 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 TokenParserException("Expected ';' or whitespace after keyword RETURN.", token)
def stateObjectName(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ":")): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.stateColon1 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 {0} name.".format( cls.OBJECT_KIND), token)
def stateProcedureName(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, 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 procedure name.", 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 stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if 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, 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 TokenParserException("Expected ';' or ')'.", token)
def stateWhitespace4(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected ':=' after type mark." if isinstance(token, CharacterToken): if (token == ":"): parserState.NewToken = BoundaryToken(token) parserState.NextState = cls.statePossibleVariableAssignment return elif (token == "\n"): parserState.NewToken = LinebreakToken(token) if (not isinstance(parserState.LastBlock, MultiLineCommentBlock)): parserState.NewBlock = AttributeSpecificationBlock( 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 = AttributeSpecificationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.PushState = SingleLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token return elif (token == "/"): parserState.NewBlock = AttributeSpecificationBlock( parserState.LastBlock, parserState.TokenMarker, endToken=token.PreviousToken, multiPart=True) parserState.TokenMarker = None parserState.PushState = MultiLineCommentBlock.statePossibleCommentStart parserState.TokenMarker = token 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 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 stateParameterKeyword(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 parserState.Counter = 1 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 PARAMETER.", token)
def stateItemRemainder(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if (token == "("): parserState.Counter += 1 elif (token == ")"): parserState.Counter -= 1 if (parserState.Counter == 0): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = ItemBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = CloseBlock(parserState.NewBlock, parserState.NewToken) parserState.Pop() parserState.TokenMarker = None else: parserState.NewToken = ClosingRoundBracketToken(token) # parserState.NewBlock = CloseBlock(parserState.LastBlock, parserState.NewToken) # parserState.Pop() elif (token == ";"): if (parserState.Counter == 1): parserState.NewToken = DelimiterToken(token) parserState.NewBlock = ItemBlock( parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken.PreviousToken) _ = DelimiterBlock(parserState.NewBlock, parserState.NewToken) parserState.NextState = DelimiterBlock.stateItemDelimiter else: raise TokenParserException( "Mismatch in opening and closing parenthesis: open={0}" .format(parserState.Counter), token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.TokenMarker = parserState.NewToken parserState.NextState = ReferenceNameBlock.stateLibraryName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = ReferenceNameBlock.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 BlockParserException("Expected library name (identifier).", token)
def stateDelimiter(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = ReferenceNameBlock.stateLibraryName parserState.TokenMarker = parserState.NewToken return elif isinstance(token, ExtendedIdentifier): parserState.NextState = ReferenceNameBlock.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.TokenMarker = parserState.NewToken parserState.NextState = cls.stateWhitespace1 return raise BlockParserException( "Expected library name (identifier) or whitespace.", token)
def stateDot2(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): if (token <= "all"): parserState.NewToken = AllKeyword(token) else: parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateObjectName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateObjectName 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 object name after '.'.", 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, WordToken): 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 BlockParserException("Expected keyword RETURN.", token)
def stateWhitespace4(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) and (token <= "severity")): parserState.NewToken = SeverityKeyword(token) parserState.NextState = cls.stateSeverityKeyword 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 keyword SEVERITY after message.", token)
def stateWhitespace2(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, WordToken) and (token <= "is")): parserState.NewToken = IsKeyword(token) parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=parserState.NewToken) parserState.NextState = cls.stateDeclarativeRegion 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 BlockParserException("Expected keyword IS after context name.", token)
def stateWhitespace3(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateSubtypeIndication 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 subtype indication after colon.", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, WordToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateContextName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = cls.stateContextName 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 BlockParserException("Expected context name (identifier).", token)
def stateColon1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): 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 TokenParserException( "Expected subtype indication or whitespace after colon.", token)
def stateEndKeyword(cls, parserState: ParserState): token = parserState.Token if isinstance(token, CharacterToken): if ((cls.KEYWORD_IS_OPTIONAL is True) 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.stateWhitespace1 return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 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 TokenParserException("Expected ';' or whitespace.", token)
def stateWhitespace3(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = cls.stateMessage 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 keyword REPORT after assertion.", token)
def stateGenerateKeyword(cls, parserState: ParserState): token = parserState.Token errorMessage = "Expected whitespace after keyword GENERATE." if isinstance(token, CharacterToken): if (token == "\n"): parserState.NewBlock = CaseBlock(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 = CaseBlock(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 = CaseBlock(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 stateKeyword1(cls, parserState: ParserState): IS_DOUBLE_KEYWORD = isinstance(cls.KEYWORD, tuple) nextState = cls.stateWhitespace2 if IS_DOUBLE_KEYWORD else cls.stateWhitespace3 token = parserState.Token if isinstance(token, CharacterToken): if (not isinstance(cls.KEYWORD, tuple) 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 = nextState return elif isinstance(token, LinebreakToken): parserState.NewBlock = cls(parserState.LastBlock, parserState.TokenMarker, endToken=token, multiPart=True) parserState.TokenMarker = None parserState.NextState = cls.stateWhitespace1 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 TokenParserException("Expected ';' or whitespace.", token)
def stateAllKeyword(cls, parserState: ParserState): token = parserState.Token if (isinstance(token, CharacterToken) and (token == ")")): parserState.NewToken = BoundaryToken(token) parserState.NewBlock = CloseBlock(parserState.LastBlock, parserState.NewToken, endToken=parserState.NewToken) parserState.Pop() 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 ALL.", 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, LinebreakToken): # TODO: review this linebreak case parserState.NewBlock = LinebreakBlock(parserState.LastBlock, token) parserState.TokenMarker = None return elif isinstance(token, CommentToken): parserState.NewBlock = CommentBlock(parserState.LastBlock, token) parserState.TokenMarker = token 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 ';'.", token)
def stateWhitespace1(cls, parserState: ParserState): token = parserState.Token if isinstance(token, StringToken): parserState.NewToken = IdentifierToken(token) parserState.NextState = ReferenceNameBlock.stateLibraryName return elif isinstance(token, ExtendedIdentifier): parserState.NextState = ReferenceNameBlock.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) 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)