main.py

import sys
from antlr4 import *
from LilaLexer import LilaLexer
from LilaParser import LilaParser
from antlr4.error.ErrorListener import ErrorListener
from VirtualMachine import VirtualMachine

from Classes import Semantic_Cube
class CustomErrorListener(ErrorListener):

    def _init_(self):
        super(CustomErrorListener, self)._init_()

    def syntaxError(self, recognizer, offendingSymbol, line, column, msg, e):
        message = 'In line {0}, column {1}: {2}'.format(
            line, column, msg)
        raise SyntaxError(message)

def main():
    sys.tracebacklimit = 0
    filepath = str(sys.argv[1])
    input_stream = FileStream(filepath)
    lexer = LilaLexer(input_stream)
    lexer._listeners = [CustomErrorListener()]
    stream = CommonTokenStream(lexer)
    parser = LilaParser(stream)
    parser._listeners = [CustomErrorListener()]
    obj = parser.programa()
    vm = VirtualMachine(obj)
    vm.quadruples_handler()

if __name__ == '__main__':
    main()