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39 lines
1.1 KiB
Python
39 lines
1.1 KiB
Python
# Copyright (c) 2016, 2024 Rocky Bernstein
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"""
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spark grammar differences over Python 3.2 for Python 3.3.
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"""
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from uncompyle6.parser import PythonParserSingle
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from uncompyle6.parsers.parse32 import Python32Parser
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class Python33Parser(Python32Parser):
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def p_33on(self, args):
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"""
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# Python 3.3+ adds yield from.
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expr ::= yield_from
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yield_from ::= expr expr YIELD_FROM
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stmt ::= genexpr_func
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"""
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def customize_grammar_rules(self, tokens, customize):
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self.remove_rules(
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"""
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# 3.3+ adds POP_BLOCKS
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whileTruestmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK POP_BLOCK NOP COME_FROM_LOOP
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whileTruestmt ::= SETUP_LOOP l_stmts_opt JUMP_BACK NOP COME_FROM_LOOP
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"""
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)
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super(Python33Parser, self).customize_grammar_rules(tokens, customize)
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# FIXME: move 3.3 stuff out of parse3.py and put it here.
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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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return
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class Python33ParserSingle(Python33Parser, PythonParserSingle):
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pass
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