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Fix two Python 3.0 bugs...

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* don't add _[0] list comprehension variables
* add POP_TOP in _ifstmts_jmp; c_stmst for now isn't optional
This commit is contained in:
rocky
2018-06-22 09:58:28 -04:00
parent f547ec9291
commit 276fb77e71
3 changed files with 18 additions and 1 deletions
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test/bytecode_3.0/05_abc_test.pyc Normal file
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3
uncompyle6/parsers/parse30.py
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@@ -29,7 +29,8 @@ class Python30Parser(Python31Parser):
# Specifically POP_TOP is more prevelant since there is no POP_JUMP_IF_...
# instructions
_ifstmts_jump ::= c_stmts_opt JUMP_FORWARD _come_froms POP_TOP COME_FROM
_ifstmts_jump ::= c_stmts JUMP_FORWARD _come_froms POP_TOP COME_FROM
_ifstmts_jump ::= c_stmts POP_TOP
# Used to keep index order the same in semantic actions
jb_pop_top ::= JUMP_BACK POP_TOP

16
uncompyle6/semantics/customize3.py
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@@ -156,6 +156,22 @@ def customize_for_version3(self, version):
self.prune()
self.n_classdef3 = n_classdef3
if version == 3.0:
# In Python 3.0 there is code to move from _[dd] into
# the iteration variable. These rules we can ignore
# since we pick up the iteration variable some other way and
# we definitely don't include in the source _[dd].
def n_comp_iter(node):
if node[0] == 'expr':
n = node[0][0]
if (n == 'LOAD_FAST' and
n.pattr[0:2] == '_['):
self.prune()
pass
pass
# Not this special case, procede as normal...
self.default(node)
self.n_comp_iter = n_comp_iter
if version >= 3.3:
def n_yield_from(node):