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982a6010a1
Don't try to convert 2.6 bytecode to 2.7 psuedo bytecode. Instead adjust grammar and semantic actions. Down the line we should to segregate version changes in semantic code better.
47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
# Copyright (c) 2016 Rocky Bernstein
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"""
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spark grammar differences over Python2 for Python 2.6.
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"""
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from uncompyle6.parser import PythonParserSingle
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from spark_parser import DEFAULT_DEBUG as PARSER_DEFAULT_DEBUG
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from uncompyle6.parsers.parse2 import Python2Parser
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class Python26Parser(Python2Parser):
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def __init__(self, debug_parser=PARSER_DEFAULT_DEBUG):
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super(Python26Parser, self).__init__(debug_parser)
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self.customized = {}
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def p_try_except26(self, args):
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"""
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# FIXME: move parse2's corresponding rules to 2.7
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except_cond1 ::= DUP_TOP expr COMPARE_OP
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JUMP_IF_FALSE POP_TOP POP_TOP POP_TOP POP_TOP
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except_cond2 ::= DUP_TOP expr COMPARE_OP
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JUMP_IF_FALSE POP_TOP POP_TOP designator POP_TOP
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try_middle ::= JUMP_FORWARD COME_FROM except_stmts
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POP_TOP END_FINALLY COME_FROM
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"""
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def p_comp26(self, args):
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'''
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list_iter ::= list_if JUMP_BACK
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list_compr ::= BUILD_LIST_0 DUP_TOP
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designator list_iter del_stmt
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lc_body ::= LOAD_NAME expr LIST_APPEND
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'''
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class Python26ParserSingle(Python2Parser, PythonParserSingle):
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pass
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if __name__ == '__main__':
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# Check grammar
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p = Python26Parser()
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p.checkGrammar()
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