def compileParseTreePattern(self, pattern:str, patternRuleIndex:int, lexer:Lexer = None):
if lexer is None:
if self.getTokenStream() is not None:
tokenSource = self.getTokenStream().getTokenSource()
if isinstance( tokenSource, Lexer ):
lexer = tokenSource
if lexer is None:
raise UnsupportedOperationException("Parser can't discover a lexer to use")
m = ParseTreePatternMatcher(lexer, self)
return m.compile(pattern, patternRuleIndex)
def compileParseTreePattern(self, pattern, patternRuleIndex, lexer = None):
if lexer is None:
if self.getTokenStream() is not None:
tokenSource = self.getTokenStream().tokenSource
if isinstance( tokenSource, Lexer ):
lexer = tokenSource
if lexer is None:
raise UnsupportedOperationException("Parser can't discover a lexer to use")
m = ParseTreePatternMatcher(lexer, self)
return m.compile(pattern, patternRuleIndex)