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237 Commits

Author SHA1 Message Date
rocky
9379922c89 Iterate over instruction, not bytecode 2017-11-06 00:46:49 -05:00
rocky
b83d6c64ed Python 3.6 control flow bug... 
Much more is needed, but it's a start
 2017-10-29 23:52:58 -04:00
rocky
5df09540b5 Python 3.6-inspired instruction size cleanup 
Revise and generalize for Python 3.6+ instructions vs < 3.6 instuctions.
Used more of the generalized methods in xdis and remove some (but not
all) of the magic numbers.

This is a lot of changes, but not all of the refactoring needed. Much
crap still remains. Also, there are still bugs in handling 3.6 bytecodes.
 2017-10-29 11:46:28 -04:00
rocky
9cfd7d669e Get ready for release 2.13.0 2017-10-10 22:08:10 -04:00
rocky
92f5981661 Misc bugs 2017-10-10 16:08:24 -04:00
rocky
1392b18bd7 Adjust for spark-parser 2.7.0 incompatabilities 2017-10-10 14:14:26 -04:00
rocky
1d7a3c6444 Document hacky customize arg count better. 2017-09-30 18:02:35 -04:00
rocky
5bef5683e4 Match Python 3.4's terms a little names better 2017-09-10 00:48:54 -04:00
rocky
d138a01bf1 xdis's "exception match" is now "exception-match" 2017-07-17 22:42:57 -04:00
rocky
27ab6fe2f5 Use xdis 3.5.0's opcode sets 2017-07-08 20:41:46 -04:00
rocky
af3d46b35c Use xdis' instruction offset calculation fns.. 
next_offset, op_size, has_argument
 2017-06-24 06:43:04 -04:00
rocky
d93b7a9eae Correct EXTENDED_ARG handling on Python 3.6... 
where it can appear several times and xdis may handle it as well.
It possibly in other versions bug since EXTENDED_ARG is used so rarely
there because it has such a high value 1<<16, it's hard to test and
determine that.
 2017-05-21 04:44:11 -04:00
rocky
2ab7aa2f48 Simplify EXTENDED_ARG on 3.x 
We largely remove them and fold them itno the next op.
MAKE_FUNCTION though before 3.6 is an exception as that indicates an
annotated function
 2017-05-19 22:06:18 -04:00
rocky
3084ac20e9 Another attempt at getting get_target() correct 2017-05-19 07:52:31 -04:00
rocky
b4efa62fad EXTENDED_ARG handling... 
get_target() wasn't taking into account EXTENDED_ARG before opcode.

This is mostly relevant in Python 3.6 where the max size before needing
EXTENDED_ARG has been reduced to 256, but theoretically possible in earlier
versions.
 2017-05-19 07:13:20 -04:00
rocky
6991a637a2 Small changes.... 
* __pkginfo__.py: Need spark parser 1.6.1 for corrected remove_rules() fn
* parser36.py: remove replaced Python3 rules
* scanner3.py: corrected comment. Thanks to moagstar here.
*
 2017-05-17 23:31:56 -04:00
rocky
ea732acf49 In conjunction with MAKE_FUNCTION_FLAGS change... 
Switched from tuple to string, but forgot to change the code that uses this.
 2017-05-13 17:29:20 -04:00
rocky
da884487d5 MAKE_FUNCTION_FLAGS can be a simpler tuple 2017-05-13 11:47:27 -04:00
rocky
73857c831b Typo 2017-05-13 06:12:31 -04:00
rocky
d540146d5a WIP: start 3.6 MAKE_FUNCTION handling 2017-05-11 07:00:46 -04:00
rocky
f8a40c1949 Reduce spurious "continue" statements 2017-05-07 13:15:26 -04:00
rocky
605721c995 Python 3.x control-flow bug... 
"pass" statement inside "while True"
 2017-05-07 09:10:05 -04:00
rocky
26e8de8532 Fix improper COME_FROM_EXCEPT in Python 3.3+ 2017-05-07 03:19:53 -04:00
rocky
4e9555a7f6 Improve Python 3.2 decompilation ... 
by removing a lot of the control-flow labels of 3.3+
 2017-05-05 21:34:21 -04:00
rocky
47dbc57f3d Reduce adding RETURN_END_IF in 3.5+ 
The whole control flow determination has to be redone in a less
haphazard way using real flow-control analysis. Hopefully that's on the
way.

In the meantime we have this hack.
 2017-04-14 06:57:25 -04:00
rocky
fdcb90f661 Python 3.0 doesn't have POP_JUMP_IF... 2017-03-12 10:32:05 -04:00
rocky
5856802902 Small cleanup - remove POP_JUMP_TF 2017-03-07 22:07:29 -05:00
rocky
4f2ae2f603 More accurate ranges of try blocks in 3.x 2017-03-05 00:05:52 -05:00
rocky
160ec0d9cc COME_FROM for 3.x POP_EXCEPT, DRY with op_name() ... 
Start adding COME_FROMs for POP_EXCEPT in preparation for
getting tryelse blocks correct.

Simpler opname access functions:
  - self.op_name(op) is self.opc.opname[op]
  - self.op_name_from_offset(offset) is self.opc.opname[self.code[offset]]

verify.py: not all offsets are ints
 2017-03-01 05:50:31 -05:00
rocky
493e4b14a1 Some Python 3.4 bugss fixed by using 3.5 rules 2017-02-20 08:17:17 -05:00
rocky
9491c67779 More COME_FROM's in Python 3... 
Need this to find boundaries of simple if better
 2017-02-20 04:17:46 -05:00
rocky
8333e4ae93 Handle BUILD_CONST_KEY_MAP as a varargs 
custom rules with BUILD_CONST_KEY_MAP are pinned to the specific number
of args seen.
 2017-01-20 20:41:10 -05:00
rocky
9c49b5d54b Handle 3.6 BUILD_CONST_KEYMAP 2017-01-15 11:10:13 -05:00
rocky
707770049f Python 3.0 decompile bugs 2017-01-08 22:19:15 -05:00
rocky
ec0669367f Towards better 3.0 decompilation 
Sync scanner2 and scanner3 better
 2017-01-08 17:40:57 -05:00
rocky
3f40c16587 Fix 3.5, 3.6 while true if/break bug 2017-01-08 15:54:49 -05:00
rocky
21023fea74 Add 3.5+ async with/for .. 
scanner3.py: 3.6 bytecode vs wordcode fix
 2017-01-08 08:54:03 -05:00
rocky
e4c0d56947 3.5 continue check is needed on 3.6 2017-01-03 07:22:25 -05:00
rocky
4827b1e994 Towards better 3.6 support 2017-01-03 00:44:07 -05:00
rocky
2b46e71264 Python 3.5 continue detection bug 2017-01-02 10:06:52 -05:00
rocky
84c2932bc5 add come_from for setup_finally and setup_except 2017-01-01 21:11:35 -05:00
rocky
874b3c9d31 Towards fixing Python 3.5 return bugs 2017-01-01 04:56:15 -05:00
rocky
2327f0fdfa Towards fixing a Python 3.3 return/continue bug 2016-12-31 03:56:41 -05:00
rocky
6f097ff1ca dectect_structure() -> detect_control_flow() 2016-12-29 07:32:36 -05:00
rocky
8eb1a16f5b DRY code and emitted Python 3 source 
* Python 3: break; continue -> break
* Use variable in detect_structure for pre[rtarget]
* Make Python 2 and Python 3 detect_structure more alie
 2016-12-29 07:28:37 -05:00
rocky
ed9fb64e72 More if/then detection in Python 3.x 2016-12-29 03:56:39 -05:00
rocky
e6761e13bb Python flake8 crap 
Was testing realgud's C-x!8 (goto flake8 warning/error)
 2016-12-18 20:18:19 -05:00
rocky
08dcc7d820 Start to handle 3.5 build_map_unpack_with_call 
3.6 also started but needs even more work
 2016-12-16 20:39:24 -05:00
rocky
7755563b65 Some Python 3.6 bytecode->wordcode fixes 2016-12-15 02:54:25 -05:00
rocky
38eed14b41 Another python 3 ELSE fixes and ... 
Makefile:
  - test python 3.0 bytecode
  - turn full --verify back on Python 3.x
 2016-12-10 06:36:22 -05:00