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