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)