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85 lines
2.3 KiB
Python
85 lines
2.3 KiB
Python
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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from __future__ import print_function
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import argparse
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import sys
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import re
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import textwrap
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from collections import OrderedDict
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from abc import abstractmethod
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import jwutils
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from jwutils.log import *
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from jwutils import grammar
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base = 'grammartest'
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mip = '_JW_PYTHON_' + base + base.upper()
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namespace = base
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def create_grammartest_ebnf(grammar):
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print(jwutils.grammar.create_ebnf(grammar))
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def create_grammartest_y(grammar):
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print(jwutils.grammar.create_yacc(grammar))
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def create_grammartest_l(grammar):
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print(jwutils.grammar.create_lex(grammar))
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def create_include_grammartest_h(grammar):
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print(jwutils.grammar.create_header(grammar, mip=mip, namespace=namespace))
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class GrammarCmd(jwutils.grammar.GrammarCmd):
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def __init__(self, name, help):
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super(GrammarCmd, self).__init__(name, help=help)
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@abstractmethod
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def _run(self, grammar):
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pass
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def add_parser(self, parsers):
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p = super(GrammarCmd, self).add_parser(parsers)
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return p
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def run(self, args):
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with open(args.input, 'r') as infile:
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contents = infile.read()
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grammar = jwutils.grammar.grammar_parse_ebnf(contents)
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slog(INFO, "grammar size is", len(grammar))
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for t in grammar.keys():
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slog(INFO, "key =", t)
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slog(INFO, "grammar size is", len(grammar))
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jwutils.grammar.dump_grammar(INFO, grammar)
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grammar = super(GrammarCmd, self).processGrammar(args, grammar)
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self._run(args, grammar)
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class CmdCreate(GrammarCmd):
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def __init__(self):
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super(CmdCreate, self).__init__("create", help="Create a file")
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def add_parser(self, parsers):
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p = super(CmdCreate, self).add_parser(parsers)
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p.add_argument("output", help="output file")
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return p
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def _run(self, args, grammar):
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cmd = getattr(sys.modules[__name__], 'create_' + re.sub(r'[-./]', '_', args.output))
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cmd(grammar)
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class CmdCheck(GrammarCmd):
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def __init__(self):
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super(CmdCheck, self).__init__("check", help="Check grammar")
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def add_parser(self, parsers):
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p = super(CmdCheck, self).add_parser(parsers)
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return p
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def _run(self, args, grammar):
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pass
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jwutils.run_sub_commands('generate Test parser files')
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