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48 lines
1.5 KiB
Python
48 lines
1.5 KiB
Python
# Copyright (c) 2016-2017, 2020 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
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from uncompyle6.parsers.parse23 import Python23Parser
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class Python22Parser(Python23Parser):
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def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
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super(Python22Parser, self).__init__(debug_parser)
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self.customized = {}
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def p_misc22(self, args):
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'''
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for_iter ::= LOAD_CONST FOR_LOOP
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list_iter ::= list_if JUMP_FORWARD
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COME_FROM POP_TOP COME_FROM
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list_for ::= expr for_iter store list_iter CONTINUE JUMP_FORWARD
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COME_FROM POP_TOP COME_FROM
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# Some versions of Python 2.2 have been found to generate
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# PRINT_ITEM_CONT for PRINT_ITEM
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print_items_stmt ::= expr PRINT_ITEM_CONT print_items_opt
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'''
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def customize_grammar_rules(self, tokens, customize):
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super(Python22Parser, self).customize_grammar_rules(tokens, customize)
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self.remove_rules("""
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kvlist ::= kvlist kv2
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""")
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if self.version[:2] <= (2, 2):
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# TODO: We may add something different or customize something
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del self.reduce_check_table["ifstmt"]
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class Python22ParserSingle(Python23Parser, PythonParserSingle):
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pass
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if __name__ == '__main__':
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# Check grammar
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p = Python22Parser()
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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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