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2.6 "if" vs "if/else" disambiguation via reduction rule.

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rocky
2020-01-07 20:51:44 -05:00
parent c0a907f436
commit d8628e79fb
2 changed files with 11 additions and 3 deletions
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11
uncompyle6/parsers/parse26.py
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@@ -343,6 +343,7 @@ class Python26Parser(Python2Parser):
super(Python26Parser, self).customize_grammar_rules(tokens, customize)
self.check_reduce['and'] = 'AST'
self.check_reduce['assert_expr_and'] = 'AST'
self.check_reduce["ifstmt"] = "tokens"
self.check_reduce['list_for'] = 'AST'
self.check_reduce['try_except'] = 'tokens'
self.check_reduce['tryelsestmt'] = 'AST'
@@ -382,6 +383,16 @@ class Python26Parser(Python2Parser):
return not (jmp_target == tokens[test_index].offset or
tokens[last].pattr == jmp_false.pattr)
elif rule == ("ifstmt", ("testexpr", "_ifstmts_jump")):
for i in range(last-1, last-4, -1):
t = tokens[i]
if t == "JUMP_FORWARD":
return t.attr > tokens[min(last, len(tokens)-1)].off2int()
elif t not in ("POP_TOP", "COME_FROM"):
break
pass
pass
elif rule == (
'list_for',
('expr', 'for_iter', 'store', 'list_iter',