diff options
Diffstat (limited to 'compilador')
| -rw-r--r-- | compilador/lexer.py | 11 | ||||
| -rw-r--r-- | compilador/main.py | 13 | ||||
| -rw-r--r-- | compilador/tabla.py | 17 |
3 files changed, 36 insertions, 5 deletions
diff --git a/compilador/lexer.py b/compilador/lexer.py index 1952a16..ec7d0a4 100644 --- a/compilador/lexer.py +++ b/compilador/lexer.py @@ -33,7 +33,7 @@ class Selector(Enum): ENTERO = 5 class Lexer: - def __init__(self, data): + def __init__(self, data, input_file): self.tabla = TablaLex() self.numlinea = 1 self.selector = Selector.NINGUNO @@ -44,6 +44,9 @@ class Lexer: self.recol_ident = '' self.recol_entero = '' self.data = data + self.tabla_file = None + if input_file: + self.tabla_file = input_file + '.tab' def inicio(self): for l in self.data.splitlines(): @@ -56,7 +59,8 @@ class Lexer: self.numlinea += 1 # Imprimir tabla de símbolos - print (str(self.tabla)) + if self.tabla_file: + self.tabla.exportar(self.tabla_file) Parser(self.tabla).inicio() @@ -203,3 +207,6 @@ class Lexer: def insertar_tabla(self, token, nombre, valor): self.tabla.insertar(LexToken(token, nombre, valor, self.numlinea)) + + + diff --git a/compilador/main.py b/compilador/main.py index c27c107..186ca83 100644 --- a/compilador/main.py +++ b/compilador/main.py @@ -6,14 +6,16 @@ from lexer import * class Main: input_file = None output_file = None + output_table = False def print_help (self, arg0): - print("Uso: % s -i entrada.ñ -o salida.ñ" % arg0) + print("Uso: % s -i entrada.es -o salida.es" % arg0) + print(" % s -i entrada.es -o salida.es -t") print(" % s -h" % arg0) def main(self, argv): try: - opts, args = getopt.getopt(argv[1:], "hi:o:", ["input=", "output="]) + opts, args = getopt.getopt(argv[1:], "hi:o:t", ["input=", "output=", "table"]) except getopt.GetoptError as err: print(err) print_help(argv[0]); @@ -26,13 +28,18 @@ class Main: self.input_file = a elif o in ("-o", "--output"): self.output_file = a + elif o in ("-t", "--table"): + self.output_table = True else: assert False, "opción desconocida" if self.input_file and self.output_file: with open(self.input_file) as f: data = f.read() - Lexer(data).inicio() + if self.output_table: + Lexer(data, self.input_file).inicio() + else: + Lexer(data, None).inicio() if __name__ == "__main__": Main().main(sys.argv) diff --git a/compilador/tabla.py b/compilador/tabla.py index c8ca424..637b9a6 100644 --- a/compilador/tabla.py +++ b/compilador/tabla.py @@ -1,3 +1,4 @@ +import json, os from enum import Enum from dataclasses import dataclass from typing import Any @@ -63,6 +64,22 @@ class TablaLex: self.tabla[i] = tok return + def exportar(self, output_file): + data = [] + for t in self.tabla: + data.append({ + 'tipo': t.tipo, + 'nombre': t.nombre, + 'valor': str(t.valor), + 'numlinea': t.numlinea + }) + output = json.dumps(data) + if os.path.exists(output_file): + os.remove(output_file) + with open(output_file, 'w+') as f: + f.truncate(0) + f.write(output) + def __str__(self): output = "" for t in self.tabla: |