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* Update test__opcode and _Py_GetSpecializationStats with recent ↵Irit Katriel2021-08-111-0/+1
| | | | specialization stat changes (GH-27728)
* bpo-44878: Remove the switch from the main interpreter loop when using ↵Mark Shannon2021-08-111-177/+206
| | | | | | | | computed gotos. (GH-27726) * Refactor dispatch logic to make flow of control clearer. Moves lltrace and dxprofile instrumentation into DISPATCH macro. * Remove switch in interpreter loop when using computed gotos. There is no need for two nearly-duplicate dispatch tables.
* bpo-44878: _PyEval_EvalFrameDefault readability improvements (GH-27725)Mark Shannon2021-08-111-51/+49
| | | | | * Move a few variable declarations to point of definition. * Factor out tracing of function entry into helper function.
* Add missing DISPATCH() (GH-27715)Mark Shannon2021-08-111-0/+2
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* Classify specialization failures. Provides more useful stats, with lower ↵Mark Shannon2021-08-101-96/+83
| | | | overhead. (GH-27701)
* Fix stats for STORE_ATTR specialization. (GH-27708)Mark Shannon2021-08-101-0/+2
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* bpo-25782: avoid hang in PyErr_SetObject when current exception has a cycle ↵Irit Katriel2021-08-101-1/+15
| | | | | in its context chain (GH-27626) Co-authored-by: Dennis Sweeney 36520290+sweeneyde@users.noreply.github.com
* bpo-44854: Remove trailing whitespaces (GH-27689)Serhiy Storchaka2021-08-091-2/+2
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* Remove unused variable. (GH-27677)Mark Shannon2021-08-091-3/+0
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* bpo-44826: Specialize STORE_ATTR (GH-27590)Mark Shannon2021-08-093-78/+311
| | | | | | | * Generalize cache names for LOAD_ATTR to allow store and delete specializations. * Factor out specialization of attribute dictionary access. * Specialize STORE_ATTR.
* bpo-44840: Compiler: Move duplication of exit blocks with no line numbers to ↵Mark Shannon2021-08-094-6645/+6638
| | | | after CFG optimization. (GH-27656)
* bpo-44856: Possible reference leak in error paths of update_bases() and ↵Pablo Galindo Salgado2021-08-071-22/+13
| | | | __build_class__ (GH-27647)
* bpo-44849: Fix os.set_inheritable() on FreeBSD 14 with O_PATH (GH-27623)Victor Stinner2021-08-061-3/+4
| | | | | Fix the os.set_inheritable() function on FreeBSD 14 for file descriptor opened with the O_PATH flag: ignore the EBADF error on ioctl(), fallback on the fcntl() implementation.
* bpo-44584: Deprecate PYTHONTHREADDEBUG env var (GH-27065)Victor Stinner2021-08-062-0/+24
| | | | | The threading debug (PYTHONTHREADDEBUG environment variable) is deprecated in Python 3.10 and will be removed in Python 3.12. This feature requires a debug build of Python.
* Add option to write specialization stats to files and script to summarize. ↵Mark Shannon2021-08-042-12/+33
| | | | | | | (GH-27575) * Add option to write stats to random file in a directory. * Add script to summarize stats.
* closes bpo-39091: Fix segfault when Exception constructor returns ↵Noah2021-08-031-4/+16
| | | | | non-exception for gen.throw. (#17658) Co-authored-by: Benjamin Peterson <benjamin@python.org>
* Minor fixes to specialization stats. (GH-27457)Mark Shannon2021-07-292-5/+11
| | | | | * Use class, not value for fail stats for BINARY_SUBSCR. * Fix counts for unquickened instructions.
* bpo-44725 : expose specialization stats in python (GH-27192)Irit Katriel2021-07-291-0/+78
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* bpo-43897: Reject "_" captures and top-level MatchStar in the AST validator ↵Brandt Bucher2021-07-291-20/+28
| | | | (GH-27432)
* bpo-43897: AST validation for pattern matching nodes (GH24771)Batuhan Taskaya2021-07-281-31/+123
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* bpo-44740: Lowercase "internet" and "web" where appropriate. (#27378)Mariusz Felisiak2021-07-261-1/+1
| | | Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44590: Lazily allocate frame objects (GH-27077)Mark Shannon2021-07-268-272/+433
| | | | | | | | | | | | | | * Convert "specials" array to InterpreterFrame struct, adding f_lasti, f_state and other non-debug FrameObject fields to it. * Refactor, calls pushing the call to the interpreter upward toward _PyEval_Vector. * Compute f_back when on thread stack, only filling in value when frame object outlives stack invocation. * Move ownership of InterpreterFrame in generator from frame object to generator object. * Do not create frame objects for Python calls. * Do not create frame objects for generators.
* bpo-44600: Fix line numbers for pattern matching cleanup code (GH-27346)Charles Burkland2021-07-251-4/+12
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* bpo-43950: support some multi-line expressions for PEP 657 (GH-27339)Batuhan Taskaya2021-07-251-9/+28
| | | | | | | | | | | | | | | | | | | | | This is basically something that I noticed up while fixing test runs for another issue. It is really common to have multiline calls, and when they fail the display is kind of weird since we omit the annotations. E.g; ``` $ ./python t.py Traceback (most recent call last): File "/home/isidentical/cpython/cpython/t.py", line 11, in <module> frame_1() ^^^^^^^^^ File "/home/isidentical/cpython/cpython/t.py", line 5, in frame_1 frame_2( File "/home/isidentical/cpython/cpython/t.py", line 2, in frame_2 return a / 0 / b / c ~~^~~ ZeroDivisionError: division by zero ``` This patch basically adds support for annotating the rest of the line, if the instruction covers multiple lines (start_line != end_line). Automerge-Triggered-By: GH:isidentical
* bpo-44717: improve AttributeError on circular imports of submodules (GH-27338)Filipe Laíns2021-07-241-1732/+1749
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* bpo-43950: check against the raw string, not the pyobject (GH-27337)Batuhan Taskaya2021-07-241-1/+1
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* Revert "bpo-44717: improve AttributeError on circular imports of submodules ↵Pablo Galindo Salgado2021-07-241-1749/+1732
| | | | | (GH-27299)" (GH-27331) This reverts commit 8072a1181dd64135f700b44372fbf7bf91e68072.
* bpo-43950: ensure source_line is present when specialising the traceback ↵Batuhan Taskaya2021-07-241-2/+2
| | | | (GH-27313)
* bpo-44717: improve AttributeError on circular imports of submodules (GH-27299)Filipe Laíns2021-07-241-1732/+1749
| | | | | Signed-off-by: Filipe Laíns <lains@riseup.net> Co-authored-by: Łukasz Langa <lukasz@langa.pl>
* bpo-44611: Use BCryptGenRandom instead of CryptGenRandom on Windows (GH-27168)Dong-hee Na2021-07-231-40/+8
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* bpo-44353: Implement typing.NewType __call__ method in C (#27262)Yurii Karabas2021-07-221-0/+1
| | | | Co-authored-by: Ken Jin <28750310+Fidget-Spinner@users.noreply.github.com> Co-authored-by: Denis Laxalde <denis@laxalde.org>
* bpo-43950: Distinguish errors happening on character offset decoding (GH-27217)Batuhan Taskaya2021-07-201-0/+10
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* bpo-44645: Check for interrupts on any potentially backwards edge (GH-27216)Mark Shannon2021-07-191-1/+6
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* bpo-20291: Fix MSVC warnings in getargs.c (GH-27211)Ken Jin2021-07-171-1/+2
| | | | | | | | | * Fix MSVC warnings in getargs.c * apply suggestions Co-Authored-By: Batuhan Taskaya <batuhan@python.org> Co-authored-by: Batuhan Taskaya <batuhan@python.org>
* bpo-44655: Include the name of the type in unset __slots__ attribute errors ↵Pablo Galindo Salgado2021-07-161-4/+9
| | | | (GH-27199)
* bpo-44655: Don't include suggestions for attributes that are the same as the ↵Pablo Galindo Salgado2021-07-161-0/+3
| | | | missing one (GH-27197)
* Revert "bpo-44645: Check for interrupts on any potentially backwards edge. ↵Pablo Galindo Salgado2021-07-161-6/+1
| | | | | (GH-27167)" (#27194) This reverts commit 000e70ad5246732fcbd27cf59268185cbd5ad734.
* bpo-20201: variadic arguments support for AC (GH-18609)Batuhan Taskaya2021-07-163-39/+277
| | | Implement support for `*args` in AC, and port `print()` to use it.
* bpo-44645: Check for interrupts on any potentially backwards edge. (GH-27167)Mark Shannon2021-07-161-1/+6
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* bpo-43950: make BinOp specializations more reliable (GH-27126)Batuhan Taskaya2021-07-151-1/+1
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* bpo-44626: Merge basic blocks earlier to enable better handling of exit ↵Mark Shannon2021-07-153-4317/+4361
| | | | blocks without line numbers (GH-27138)
* Remove sys._deactivate_opcache() now that is not needed (GH-27154)Pablo Galindo Salgado2021-07-153-49/+1
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* bpo-44622: Set line number of END_ASYNC_FOR to match that of iterator. ↵Mark Shannon2021-07-151-1/+3
| | | | (GH-27160)
* bpo-26280: Port BINARY_SUBSCR to PEP 659 adaptive interpreter (GH-27043)Irit Katriel2021-07-153-12/+174
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* bpo-44589: raise a SyntaxError when mapping patterns have duplicate literal ↵Jack DeVries2021-07-151-4/+41
| | | | keys (GH-27131)
* bpo-44616: Mark all clean up instructions at end of named exception block as ↵Mark Shannon2021-07-142-5/+4
| | | | artificial (GH-27109)
* bpo-33346: Allow async comprehensions inside implicit async comprehensions ↵Serhiy Storchaka2021-07-132-7/+16
| | | | | (GH-6766) Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-43950: Specialize tracebacks for subscripts/binary ops (GH-27037)Batuhan Taskaya2021-07-121-41/+225
| | | | Co-authored-by: Ammar Askar <ammar@ammaraskar.com> Co-authored-by: Pablo Galindo <pablogsal@gmail.com>
* bpo-44570: Fix line tracing for forwards jumps to duplicated tails (GH-27068)Mark Shannon2021-07-081-4/+2
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* bpo-44581: Don't execute quickened instructions if tracing is on (GH-27064)Mark Shannon2021-07-081-1/+9
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