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Title: bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter to compiler. (alt) by serhiy-storchaka · Pull Request #5143 · python/cpython · GitHub

Open Graph Title: bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter to compiler. (alt) by serhiy-storchaka · Pull Request #5143 · python/cpython

X Title: bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter to compiler. (alt) by serhiy-storchaka · Pull Request #5143 · python/cpython

Description: An alternative to #5006 that restores SETUP_EXCEPT and gets rid of the new opcode BEGIN_FINALLY. SETUP_FINALLY, SETUP_WITH and SETUP_ASYNC_WITH now push NULL on the stack instead. https://bugs.python.org/issue17611

Open Graph Description: An alternative to #5006 that restores SETUP_EXCEPT and gets rid of the new opcode BEGIN_FINALLY. SETUP_FINALLY, SETUP_WITH and SETUP_ASYNC_WITH now push NULL on the stack instead. https://bugs.pyt...

X Description: An alternative to #5006 that restores SETUP_EXCEPT and gets rid of the new opcode BEGIN_FINALLY. SETUP_FINALLY, SETUP_WITH and SETUP_ASYNC_WITH now push NULL on the stack instead. https://bugs.pyt...

Opengraph URL: https://github.com/python/cpython/pull/5143

X: @github

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og:image:altAn alternative to #5006 that restores SETUP_EXCEPT and gets rid of the new opcode BEGIN_FINALLY. SETUP_FINALLY, SETUP_WITH and SETUP_ASYNC_WITH now push NULL on the stack instead. https://bugs.pyt...
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bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter to compiler. (alt) https://github.com/python/cpython/pull/5143/files#top
Show all changes 77 commits https://github.com/python/cpython/pull/5143/files
2315076 bpo-17611: Move unwinding of stack from interpreter to compiler pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/23150761bf89948da45af5e55c4255d760e8921c
b160900 Cleanup pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/b160900dbca464560e4f888dcd6d73fd7b9ae306
9833631 Improve stack size calculation for SETUP_{EXCEPT,FINALLY} pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/9833631df55d9af05a256f0cead79c4e0d002528
9116fb8 Update frozen importlib pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/9116fb813914603dce132355b30f3511f8e8711c
5b3796e Remove useless code pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/5b3796ed4117fdcba042510fcacb307780748326
77caab0 Don't predict FOR_ITER as it breaks tracing without computed gotos pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/77caab09b6de8ce13f03fa965cdb7f27c5d8f7a8
9fffb61 Remove dead code and fix tracing tests pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/9fffb61ab51031cc8a7346cec41f3362d374f45e
5fe5e1b Fix test_dis pitrou Jul 23, 2017 https://github.com/python/cpython/pull/5143/commits/5fe5e1b655ac1473a58de2e401102ed3b8be9671
a93f2e2 Add JUMP_FINALLY to avoid finally block duplication pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/a93f2e29af3ddce19858f132c4e47b7a33ae1055
b007b1c Remove finally block duplication pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/b007b1c5fb01c71f98401bf916d524f9168d9a8b
0bcf8a7 More precise computation of code object stack size pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/0bcf8a70f5c7f1c9405f4208686d3a345937f834
eecf02f JUMP_FINALLY pushes 6 values to be consistent with the effect of an e… pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/eecf02ff8b0833e39bcf810d6e13d61da12d9321
64225ce Exact stack size computation by popping stale exception state in RERAISE pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/64225ce7669a20412a0baea62602771608c260ea
04e055e Remove the now pointless POP_MANY pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/04e055e001ebe097fa1b7fa5cde517ba45622828
a3e1b80 Add comment for RERAISE pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/a3e1b804c40699983bdc354e889987e8f5591c40
a049635 Remove JUMP_FINALLY pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/a04963599f096bf8b8dfed20e3ebf607bafa6971
0741d02 Remove last block duplication pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/0741d023f8a06cfb7f011276c74871bb55e57ccd
5493616 Get rid of END_ITER pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/5493616265e8504d1a33128e3d93e71066af3ec3
5c68acf Fix comments in frameobject.c pitrou Jul 24, 2017 https://github.com/python/cpython/pull/5143/commits/5c68acf8dee9293f4ccec34d30077a963a2df101
2d41c17 Add stack size tests pitrou Jul 29, 2017 https://github.com/python/cpython/pull/5143/commits/2d41c17b4f2b9e693c36d385b8756e0e583d2caa
afc2235 Fix test_dis. serhiy-storchaka Aug 24, 2017 https://github.com/python/cpython/pull/5143/commits/afc22359f5d996af97650f54a961a846b546dbe0
00a6681 Simplify handling of 'for' loops in frame_setlineno() and fix it for … serhiy-storchaka Aug 24, 2017 https://github.com/python/cpython/pull/5143/commits/00a6681d6891a7447ee1505bb21f2a30e21ea9d9
f8cc274 Do not duplicate the finally block. serhiy-storchaka Dec 3, 2017 https://github.com/python/cpython/pull/5143/commits/f8cc274ed9df21137e04ac7c57c6050f8eabaca1
160ce37 Refactor the frame unwinding code. serhiy-storchaka Dec 4, 2017 https://github.com/python/cpython/pull/5143/commits/160ce374473ce5396e76fc2bf5b5536aeb42fdb7
b3b3250 Refactoring and optimizations in the compiler. serhiy-storchaka Dec 5, 2017 https://github.com/python/cpython/pull/5143/commits/b3b3250249002804891025c117720f630dc2888c
e3f5099 Fix frame_setlineno(). serhiy-storchaka Dec 23, 2017 https://github.com/python/cpython/pull/5143/commits/e3f5099b488cf90ced93bdd32a802521386cd077
d8dd38d Rename PUSH_NO_EXCEPT to BEGIN_FINALLY. serhiy-storchaka Dec 23, 2017 https://github.com/python/cpython/pull/5143/commits/d8dd38dda374f8e2690d8eb59d831bcb84ed1d24
f1d0bc9 Restore SETUP_WITH and SETUP_ASYNC_WITH. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/f1d0bc987eab24fc1027162ac8a32f4b76c4bbf8
84c6400 Fix stack depth calculation. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/84c6400ce814a7f0fbd8dd503cfad3efece12787
35bd61b Remove SETUP_EXCEPT. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/35bd61b213959d1dfecf59e82ac80e32ccd758a0
191f2da Fix rebase error. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/191f2da3371af9bec35742ac8b356f1863322d3c
f1a478d Change codes of new instructions. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/f1a478d7cea69a317cd95244a961e63af5668029
f44d8cd Update the magic number. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/f44d8cda4ded5ac539023d804638e117bf6b997c
93ca80e Remove debug print. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/93ca80ecd8ab22e5e240455c5cd3303daf5763ae
c8b9129 Polishing. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/c8b9129aa3cb6f28374bc68bb1645a118f0b70ed
e7d03f3 Document changes. serhiy-storchaka Dec 24, 2017 https://github.com/python/cpython/pull/5143/commits/e7d03f36a044097c04c8e6941777185ab6a9dfc5
9273f10 Make CALL_FINALLY a jump instruction, but exclude it from stack depth… serhiy-storchaka Dec 25, 2017 https://github.com/python/cpython/pull/5143/commits/9273f101759b9df4198b4aad6d24bc11c2c3bca7
4ffb02f Merge branch 'master' into unwind_stack serhiy-storchaka Dec 26, 2017 https://github.com/python/cpython/pull/5143/commits/4ffb02fedf3e3104ff9a133d2876aaafabfd0c0e
b0ea014 Fix jump tests: jumping into a while block is possible now. serhiy-storchaka Dec 26, 2017 https://github.com/python/cpython/pull/5143/commits/b0ea0140b8aacb56ea8eeea00fcf5eb0a18e7ef8
bef9131 Polishing. serhiy-storchaka Dec 28, 2017 https://github.com/python/cpython/pull/5143/commits/bef9131d9a320c0db84fb23c4469adb6901bbfda
7fc9111 Fix unrolling the finally block. serhiy-storchaka Dec 28, 2017 https://github.com/python/cpython/pull/5143/commits/7fc911197fbe14382859385cf44ad0b4ada7d9a6
800df5c Optimize 'return' with constant value. serhiy-storchaka Dec 28, 2017 https://github.com/python/cpython/pull/5143/commits/800df5c5e83a18e564b46ee0ba405322a0da5cd8
cb806c5 Do not eliminate END_FINALLY in peepholer. serhiy-storchaka Dec 29, 2017 https://github.com/python/cpython/pull/5143/commits/cb806c537c556a3f523e932abfdf8ac025e6255f
c0623d6 Minimize changes in PyCompile_OpcodeStackEffect(). serhiy-storchaka Dec 29, 2017 https://github.com/python/cpython/pull/5143/commits/c0623d648d798039bf902c0e5e8b5e098d59281e
69d6900 Document POP_FINALLY and add tests for 'break' and 'return' in 'final… serhiy-storchaka Dec 29, 2017 https://github.com/python/cpython/pull/5143/commits/69d690032f5777ee9ae59b3f695d0c290e68e9c7
c879d2e Polishing. serhiy-storchaka Dec 29, 2017 https://github.com/python/cpython/pull/5143/commits/c879d2e45ed048f0e1da6d70387a7b621a955fc1
894a1f7 Minimize changes in WITH_CLEANUP_START and WITH_CLEANUP_START. serhiy-storchaka Dec 29, 2017 https://github.com/python/cpython/pull/5143/commits/894a1f725e8a9c21f7756a3ea12e16fd6ab9e7eb
dc6eae4 Address review comments. serhiy-storchaka Dec 30, 2017 https://github.com/python/cpython/pull/5143/commits/dc6eae4accefff928a75e5ab50d0d87877ecbfb3
88a9050 Disable FOR_ITER jump optimization. serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/88a9050da61d4ba0a6bfa8e839540efbbaa95cde
ed175f3 Reorder tests. serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/ed175f3114efdbeaf54f8f0df2f7d46be3c2e1fc
4485924 Merge branch 'master' into unwind_stack serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/4485924250ab8ff275e8b9c5522f236acb349cec
b49d46e Merge branch 'master' into unwind_stack serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/b49d46e01a1b59ec2cc440b82e77d3fa0c07e035
4ca9831 Clarify the use case of POP_FINALLY. serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/4ca98310c609c4796c0f2df131ddb1b33b2b71da
e34670a bpo-24340: Fix estimation of the code stack size. serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/e34670aeae1be292b19f5ecb2a53ff752078f5eb
42b50d1 Add new tests for stack effect (ported from #5076). serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/42b50d141c474401b930d0fa46c02b7251aa025a
3d04b53 Add comments. serhiy-storchaka Jan 1, 2018 https://github.com/python/cpython/pull/5143/commits/3d04b53a6c7506a45fea032d656c27c7b0958ad0
4b1697d Simplify the algorithm, add comments and asserts. serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/4b1697dad7495a2d3af106dd50d226d25a79d31c
dc25d14 Merge branch 'master' into stack-size serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/dc25d14bd8eca16b3ddbc6079700be9307ed3fb4
8a327cb Merge branch 'master' into unwind_stack serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/8a327cb82c55a3933f130de41078447a17d76b20
4afb870 Merge branch 'stack-size' into unwind_stack serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/4afb870e31c3932de40799ff17b91ae4447f2a09
4d81d0d Fix stack effect computation. serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/4d81d0d2a8863708cfeef006b849d44d8e1f15d2
edde33a Update comments and docs in responce to the review. serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/edde33aabfba9cb198fa72d5901b74e6514c746d
44c7d39 Add more tests. serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/44c7d399b0b7c5371074a4d25f97ea0634d92a97
8dcb17f Merge branch 'stack-size' into unwind_stack_new serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/8dcb17fa185f1c9d53d995e8240be54b6787dc9b
0317c9d Add more comments. serhiy-storchaka Jan 3, 2018 https://github.com/python/cpython/pull/5143/commits/0317c9d9a1e58d8d1d3e4e6ab93bb51c2e618929
7a33146 Define all stack effects in a single place. serhiy-storchaka Jan 4, 2018 https://github.com/python/cpython/pull/5143/commits/7a33146c84d3c27ee4eefaafc959bbf1058621fe
68e35bb Make stack_effect() static. serhiy-storchaka Jan 5, 2018 https://github.com/python/cpython/pull/5143/commits/68e35bbf16ae0979f776d63ed5e9e6c122233ac1
6056bc7 Add braces for PEP 7. serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/6056bc78cdbc01fb62e6d195f9401f4e9f2494c4
44e1e1e Merge branch 'master' into stack-size serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/44e1e1e027dad29fa89a6f4e89f95e205bd98436
04647d6 Merge branch 'master' into unwind_stack serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/04647d69d8bb7e4413a73cac7f5993b967bccbf5
6d5c333 Merge branch 'stack-size' into unwind_stack serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/6d5c3332aa24e55ea7c2bd4a1aa1bee0d65ebbb7
660a117 Add braces for PEP 7. serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/660a11788a264e52b76114d21b8601da2c40f08c
a03d212 Merge branch 'master' into unwind_stack serhiy-storchaka Jan 9, 2018 https://github.com/python/cpython/pull/5143/commits/a03d212e22aea61f06541b50effbe6afb734b2a2
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fe25870 Restore SETUP_EXCEPT. serhiy-storchaka Jan 7, 2018 https://github.com/python/cpython/pull/5143/commits/fe258704bbc366c130948261e07a651c2a35ca3c
db8f2a2 Remove BEGIN_FINALLY. Change SETUP_FINALLY, SETUP_WITH and SETUP_ASYN… serhiy-storchaka Jan 8, 2018 https://github.com/python/cpython/pull/5143/commits/db8f2a2820e2783eb8c88401bd5395e5dc96f370
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