def main(argv):
input = FileStream(argv[1])
lexer = untyped_expressionLexer(input)
stream = CommonTokenStream(lexer)
parser = untyped_expressionParser(stream)
tree = parser.expr()
print(tree.toStringTree(recog=parser))
def readExpr(self, text):
inp = antlr4.InputStream(text)
lexer = untyped_expressionLexer(inp)
lexer.removeErrorListeners()
lexer.addErrorListener(self)
stream = antlr4.CommonTokenStream(lexer)
parser = untyped_expressionParser(stream)
parser._listeners = [self]
return self.visit(parser.start())
def readExpr(self, text):
inp = antlr4.InputStream(text)
lexer = untyped_expressionLexer(inp)
lexer.removeErrorListeners()
lexer.addErrorListener(self)
stream = antlr4.CommonTokenStream(lexer)
parser = untyped_expressionParser(stream)
parser._listeners = [self]
return self.visit(parser.start())
def readExpr(expr_string):
errs = _custom_error_handler()
inp = antlr4.InputStream(expr_string)
lexer = untyped_expressionLexer(inp)
lexer.removeErrorListeners()
lexer.addErrorListener(errs)
stream = antlr4.CommonTokenStream(lexer)
parser = untyped_expressionParser(stream)
parser._listeners = [errs]
return _parse_visitor().visit(parser.start())
def readExpr(expr_string):
errs = _custom_error_handler()
inp = antlr4.InputStream(expr_string)
lexer = untyped_expressionLexer(inp)
lexer.removeErrorListeners()
lexer.addErrorListener(errs)
stream = antlr4.CommonTokenStream(lexer)
parser = untyped_expressionParser(stream)
parser._listeners = [errs]
return _parse_visitor().visit(parser.start())
