#!/bin/env python # -*- coding: utf-8 -*- # Copyright (C) 2022 Iván Alejandro Ávalos Díaz # Edgar Alexis López Martínez # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see . import sys import graphviz as gv from pprint import pprint from tabla import TablaLex from errors import Error from parse.base import BaseParser from parse.unit import ParseUnit class Parser: def __init__(self, input_file: str): self.input_file = input_file self.tabla = TablaLex() self.tabla.importar(input_file + '.tab') self.iterador = self.tabla.iterar() def inicio(self): parser = BaseParser(self.iterador) unit = ParseUnit(parser).unit() if type(unit) is Error: print (unit.message, file=sys.stderr) return 1 dot = gv.Digraph() dot.attr('node', fontname='monospace') unit.graph(dot) dot.render(self.input_file + '.gv') return 0