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parse15.py
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47 lines (34 loc) · 1.42 KB
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# Copyright (c) 2016 Rocky Bernstein
# Copyright (c) 2000-2002 by hartmut Goebel <hartmut@goebel.noris.de>
from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
from uncompyle6.parser import PythonParserSingle, nop_func
from uncompyle6.parsers.parse21 import Python21Parser
class Python15Parser(Python21Parser):
def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
super(Python15Parser, self).__init__(debug_parser)
self.customized = {}
def p_import15(self, args):
"""
import ::= filler IMPORT_NAME STORE_FAST
import ::= filler IMPORT_NAME STORE_NAME
import_from ::= filler IMPORT_NAME importlist
import_from ::= filler filler IMPORT_NAME importlist POP_TOP
importlist ::= importlist IMPORT_FROM
importlist ::= IMPORT_FROM
"""
def customize_grammar_rules(self, tokens, customize):
super(Python15Parser, self).customize_grammar_rules(tokens, customize)
for i, token in enumerate(tokens):
opname = token.kind
opname_base = opname[:opname.rfind('_')]
if opname_base == 'UNPACK_LIST':
self.addRule("store ::= unpack_list", nop_func)
class Python15ParserSingle(Python15Parser, PythonParserSingle):
pass
if __name__ == '__main__':
# Check grammar
p = Python15Parser()
p.check_grammar()
p.dump_grammar()
# local variables:
# tab-width: 4