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Only add forward-jumping COME_FROM in 3.6+

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rocky
2019-05-14 06:28:29 -04:00
parent 44e1288e2f
commit 46acb74745
2 changed files with 2 additions and 5 deletions
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4
uncompyle6/parsers/parse36.py
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@@ -33,10 +33,6 @@ class Python36Parser(Python35Parser):
""" """
sstmt ::= sstmt RETURN_LAST sstmt ::= sstmt RETURN_LAST
cf_for_iter ::= _come_froms FOR_ITER
list_for ::= expr cf_for_iter store list_iter jb_or_c
genexpr_func ::= LOAD_FAST cf_for_iter store comp_iter JUMP_BACK
# 3.6 redoes how return_closure works. FIXME: Isolate to LOAD_CLOSURE # 3.6 redoes how return_closure works. FIXME: Isolate to LOAD_CLOSURE
return_closure ::= LOAD_CLOSURE DUP_TOP STORE_NAME RETURN_VALUE RETURN_LAST return_closure ::= LOAD_CLOSURE DUP_TOP STORE_NAME RETURN_VALUE RETURN_LAST

3
uncompyle6/scanners/scanner3.py
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@@ -816,7 +816,8 @@ class Scanner3(Scanner):
# Fix up grammar so we don't need to do this. # Fix up grammar so we don't need to do this.
# See cf_for_iter use in parser36.py # See cf_for_iter use in parser36.py
self.fixed_jumps[offset] = match[-1] self.fixed_jumps[offset] = match[-1]
else: elif target > offset:
# Right now we only add COME_FROMs in forward (not loop) jumps
self.fixed_jumps[offset] = target self.fixed_jumps[offset] = target
return return
# op == POP_JUMP_IF_TRUE # op == POP_JUMP_IF_TRUE