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#!/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2022 Iván Alejandro Ávalos Díaz <avalos@disroot.org>
# Edgar Alexis López Martínez <edgarmlmp@gmail.com>
# 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 <https://www.gnu.org/licenses/>.
import sys
from typing import List
from tabla import Token
class Error:
errors = {
'L_CAR_LARGO': 'Más de un caracter en una literal de caracter',
'L_CAR_VACIO': 'Literal de caracter vacía',
'S_ESPERA_EXPR': 'Se esperaba una expresión',
'S_ESPERA_IDENT': 'Se esperaba un identificador',
'S_ESPERA_IDENT_O_LIT': 'Se esperaba un identificador o una literal',
'S_ESPERA_OPER': 'Se esperaba un operador',
'S_ESPERA_PC_O_IGUAL': 'Se esperaba `;` o `=`',
'S_ESPERA_PC': 'Se esperaba `;`',
}
def __init__(self, msg: str = None, numlinea: int = None):
if numlinea:
self.message = "Error en la línea %d: %s" % (numlinea, msg)
else:
self.message = msg
@classmethod
def lex(self, error, numlinea: int):
return Error("Error en línea %d: %s" % (numlinea, self.errors[error]))
@classmethod
def syntax(self, got: Token, expects: List[Token], numlinea: int):
error = Error()
strexp = ', '.join(['`%s\'' % e.value for e in expects])
error.message = ("Error en la línea %d: se encontró `%s', pero se esperaba %s" %
(numlinea, got.value, strexp))
return error
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