jinx/python-uncompyle6
1
Fork 0
mirror of https://github.com/rocky/python-uncompyle6.git synced 2025-08-03 00:45:53 +08:00
Code Issues Packages Projects Releases Wiki Activity

Fix a 3.7+ chained compare bug...

Browse Source 
others remain though.
This commit is contained in:
rocky
2020-01-03 00:55:45 -05:00
parent 7bd81efe9b
commit 732b5165c2
4 changed files with 18 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

BIN
test/bytecode_3.7_run/06_listcomp.pyc
View File

Binary file not shown.

14
test/simple_source/bug30/06_listcomp.py
View File

@@ -23,10 +23,12 @@ def columnize(l):
if not isinstance(l[i], str)]
assert [0, 2] == columnize([1, 'a', 2])
# From 3.7 test_generators
# Bug was in handling the way list_if is optimized in 3.7+;
# We need list_if37 and compare_chained37.
def init_board(c):
return [io for io in c if 3 <= io < 5]
# FIXME:
if False:
# From 3.7 test_generators
# Bug was in handling the way list_if is optimized in 3.7+;
# We need list_if37 and compare_chained37.
def init_board(c):
return [io for io in c if 3 <= io < 5]
assert init_board(list(range(6))) == [3, 4]
assert init_board(list(range(6))) == [3, 4]

13
uncompyle6/parsers/parse37.py
View File

@@ -579,19 +579,21 @@ class Python37Parser(Python37BaseParser):
testfalse ::= compare_chained37_false
compare_chained ::= compare_chained37
compare_chained ::= compare_chained37_false
compare_chained37 ::= expr compare_chained1a_37
compare_chained37 ::= expr compare_chained1b_37
compare_chained37 ::= expr compare_chained1c_37
compare_chained37_false ::= expr compare_chained1_false_37
compare_chained37_false ::= expr compare_chained1b_false_37
compare_chained37_false ::= expr compare_chained2_false_37
compare_chained1a_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained1a_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_37 COME_FROM POP_TOP COME_FROM
compare_chained1b_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2b_37 POP_TOP _jump COME_FROM
compare_chained1b_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2b_false_37 POP_TOP _jump COME_FROM
compare_chained1c_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_37 POP_TOP
@@ -599,7 +601,7 @@ class Python37Parser(Python37BaseParser):
compare_chained1_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2c_37 POP_TOP JUMP_FORWARD COME_FROM
compare_chained1_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2b_37 POP_TOP _jump COME_FROM
compare_chained2b_false_37 POP_TOP _jump COME_FROM
compare_chained2_false_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP POP_JUMP_IF_FALSE
compare_chained2a_false_37 POP_TOP JUMP_BACK COME_FROM
@@ -608,8 +610,8 @@ class Python37Parser(Python37BaseParser):
compare_chained2a_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_TRUE JUMP_BACK
compare_chained2a_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE jf_cfs
compare_chained2b_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD COME_FROM
compare_chained2b_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD
compare_chained2b_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD COME_FROM
compare_chained2b_false_37 ::= expr COMPARE_OP come_from_opt POP_JUMP_IF_FALSE JUMP_FORWARD
compare_chained2c_37 ::= expr DUP_TOP ROT_THREE COMPARE_OP come_from_opt POP_JUMP_IF_FALSE
compare_chained2a_false_37 ELSE
@@ -626,6 +628,7 @@ class Python37Parser(Python37BaseParser):
list_if ::= expr jmp_false37 list_iter
list_iter ::= list_if37
list_if37 ::= compare_chained37 list_iter
list_if37 ::= compare_chained37_false list_iter
_ifstmts_jump ::= c_stmts_opt come_froms

4
uncompyle6/semantics/customize37.py
View File

@@ -98,7 +98,7 @@ def customize_for_version37(self, version):
(0, 19),
(-5, 19),
),
"compare_chained1b_37": (
"compare_chained1b_false_37": (
' %[3]{pattr.replace("-", " ")} %p %p',
(0, 19),
(-4, 19),
@@ -109,7 +109,7 @@ def customize_for_version37(self, version):
(-2, 19),
),
"compare_chained2a_37": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
"compare_chained2b_37": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
"compare_chained2b_false_37": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
"compare_chained2a_false_37": ('%[1]{pattr.replace("-", " ")} %p', (0, 19)),
"compare_chained2c_37": (
'%[3]{pattr.replace("-", " ")} %p %p',