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* GH-100762: Don't call `gen.throw()` in `gen.close()`, unless necessary. ↵Mark Shannon2023-01-244-6/+4
| | | | | | (GH-101013) * Store exception stack depth in YIELD_VALUE's oparg and use it avoid expensive gen.throw() in gen.close() where possible.
* gh-98831: rewrite CHECK_EG_MATCH opcode in the instruction definition DSL ↵Irit Katriel2023-01-244-60/+29
| | | | (#101269)
* gh-59956: Allow the "Trashcan" Mechanism to Work Without a Thread State ↵Eric Snow2023-01-231-0/+16
| | | | | | | | | | | | (gh-101209) We've factored out a struct from the two PyThreadState fields. This accomplishes two things: * make it clear that the trashcan-related code doesn't need any other parts of PyThreadState * allows us to use the trashcan mechanism even when there isn't a "current" thread state We still expect the caller to hold the GIL. https://github.com/python/cpython/issues/59956
* Fix typo in comment in compile.c (#101194)Ikko Eltociear Ashimine2023-01-201-1/+1
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* gh-101181: Fix `unused-variable` warning in `pystate.c` (#101188)Nikita Sobolev2023-01-201-0/+3
| | | Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
* gh-59956: Fix Function Groupings in pystate.c (gh-101172)Eric Snow2023-01-201-237/+352
| | | | | This is a follow-up to gh-101161. The objective is to make it easier to read Python/pystate.c by grouping the functions there in a consistent way. This exclusively involves moving code around and adding various kinds of comments. https://github.com/python/cpython/issues/59956
* gh-101169: reduce the implementation of except* by one bytecode instruction ↵Irit Katriel2023-01-191-16/+11
| | | | (#101170)
* gh-59956: Clarify GILState-related Code (gh-101161)Eric Snow2023-01-193-219/+344
| | | | | | | | | | The objective of this change is to help make the GILState-related code easier to understand. This mostly involves moving code around and some semantically equivalent refactors. However, there are a also a small number of slight changes in structure and behavior: * tstate_current is moved out of _PyRuntimeState.gilstate * autoTSSkey is moved out of _PyRuntimeState.gilstate * autoTSSkey is initialized earlier * autoTSSkey is re-initialized (after fork) earlier https://github.com/python/cpython/issues/59956
* gh-100712: make it possible to disable specialization (for debugging) (#100713)Irit Katriel2023-01-193-0/+60
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* GH-98831: Move assorted macros from ceval.h to a new header (#101116)Guido van Rossum2023-01-183-383/+358
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* GH-98831: Implement array support in cases generator (#100912)Guido van Rossum2023-01-173-121/+95
| | | | | | | | You can now write things like this: ``` inst(BUILD_STRING, (pieces[oparg] -- str)) { ... } inst(LIST_APPEND, (list, unused[oparg-1], v -- list, unused[oparg-1])) { ... } ``` Note that array output effects are only partially supported (they must be named `unused` or correspond to an input effect).
* GH-100982: Add `COMPARE_AND_BRANCH` instruction (GH-100983)Mark Shannon2023-01-166-202/+199
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* GH-100892: consolidate `HEAD_LOCK/HEAD_UNLOCK` macros (#100953)Kumar Aditya2023-01-152-9/+0
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* GH-98831: Identify instructions that don't use oparg (#100957)Guido van Rossum2023-01-141-57/+57
| | | | | | | For these the instr_format field uses IX instead of IB. Register instructions use IX, IB, IBBX, IBBB, etc. Also: Include the closing '}' in Block.tokens, for completeness
* gh-86682: Adds sys._getframemodulename as an alternative to using _getframe ↵Steve Dower2023-01-132-1/+108
| | | | | (GH-99520) Also updates calls in collections, doctest, enum, and typing modules to use _getframemodulename first when available.
* GH-100923: Embed jump mask in `COMPARE_OP` oparg (GH-100924)Mark Shannon2023-01-115-67/+68
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* GH-98831: Refactor instr format code and change to enum (#100895)Guido van Rossum2023-01-091-168/+169
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* GH-100126: Skip incomplete frames in more places (GH-100613)Brandt Bucher2023-01-094-22/+8
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* gh-87447: Fix walrus comprehension rebind checking (#100581)Nikita Sobolev2023-01-081-1/+2
| | | | Co-authored-by: Pablo Galindo Salgado <Pablogsal@gmail.com> Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
* Update copyright years to 2023. (gh-100848)Benjamin Peterson2023-01-081-1/+1
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* GH-90829: Fix empty iterable error message in min/max (#31181)Nnarol2023-01-081-1/+1
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* gh-100776: Fix misleading default value in help(input) (#100788)Shantanu2023-01-082-4/+4
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* gh-88696: clean up dead argument to compiler_make_closure (GH-100806)Carl Meyer2023-01-071-23/+7
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* gh-100758: Refactor initialisation of frame headers into a single function ↵Irit Katriel2023-01-063-44/+11
| | | | (_PyFrame_Initialize) (GH-100759)
* GH-99005: More intrinsics (GH-100774)Mark Shannon2023-01-066-88/+50
| | | * Remove UNARY_POSITIVE, LIST_TO_TUPLE and ASYNC_GEN_WRAP, replacing them with intrinsics.
* gh-98831: Regenerate Python/opcode_metadata.h (GH-100778)Zachary Ware2023-01-051-4/+1
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* GH-98831: Update generate_cases.py: register inst, opcode_metadata.h (#100735)Guido van Rossum2023-01-053-1/+216
| | | | | | | | (These aren't used yet, but may be coming soon, and it's easier to keep this tool the same between branches.) Added a sanity check for all this to compile.c. Co-authored-by: Irit Katriel <iritkatriel@yahoo.com>
* GH-99005: Add `CALL_INTRINSIC_1` instruction (GH-100771)Mark Shannon2023-01-056-276/+233
| | | | | | | | * Remove PRINT_EXPR instruction * Remove STOPITERATION_ERROR instruction * Remove IMPORT_STAR instruction
* GH-100288: Remove LOAD_ATTR_METHOD_WITH_DICT instruction. (GH-100753)Mark Shannon2023-01-054-67/+12
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* gh-100747: some compiler macros use c instead of C to access the compiler ↵Irit Katriel2023-01-041-7/+7
| | | | (#100748)
* GH-100719: Remove the `co_nplaincellvars` field from code objects. (GH-100721)Mark Shannon2023-01-044-4/+4
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* gh-100146: Steal references from stack when building a list (#100147)L. A. F. Pereira2023-01-032-10/+4
| | | | | | | | | | When executing the BUILD_LIST opcode, steal the references from the stack, in a manner similar to the BUILD_TUPLE opcode. Implement this by offloading the logic to a new private API, _PyList_FromArraySteal(), that works similarly to _PyTuple_FromArraySteal(). This way, instead of performing multiple stack pointer adjustments while the list is being initialized, the stack is adjusted only once and a fast memory copy operation is performed in one fell swoop.
* gh-95778: add doc missing in some places (GH-100627)Éric2022-12-301-0/+2
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* gh-100577: Replace `assert(0)` with `Py_UNREACHABLE` in `symtable.c` (#100579)Nikita Sobolev2022-12-281-1/+1
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* GH-98831: Modernize a ton of simpler instructions (#100545)Guido van Rossum2022-12-282-342/+230
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * load_const and load_fast aren't families for now * Don't decref unmoved names * Modernize GET_ANEXT * Modernize GET_AWAITABLE * Modernize ASYNC_GEN_WRAP * Modernize YIELD_VALUE * Modernize POP_EXCEPT (in more than one way) * Modernize PREP_RERAISE_STAR * Modernize LOAD_ASSERTION_ERROR * Modernize LOAD_BUILD_CLASS * Modernize STORE_NAME * Modernize LOAD_NAME * Modernize LOAD_CLASSDEREF * Modernize LOAD_DEREF * Modernize STORE_DEREF * Modernize COPY_FREE_VARS (mark it as done) * Modernize LIST_TO_TUPLE * Modernize LIST_EXTEND * Modernize SET_UPDATE * Modernize SETUP_ANNOTATIONS * Modernize DICT_UPDATE * Modernize DICT_MERGE * Modernize MAP_ADD * Modernize IS_OP * Modernize CONTAINS_OP * Modernize CHECK_EXC_MATCH * Modernize IMPORT_NAME * Modernize IMPORT_STAR * Modernize IMPORT_FROM * Modernize JUMP_FORWARD (mark it as done) * Modernize JUMP_BACKWARD (mark it as done)
* gh-100357: Convert several functions in `bltinsmodule` to AC (#100358)Nikita Sobolev2022-12-242-99/+303
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* gh-99947: Ensure unreported errors are chained for SystemError during import ↵Sebastian Berg2022-12-231-2/+1
| | | | (GH-99946)
* GH-100425: Improve accuracy of builtin sum() for float inputs (GH-100426)Raymond Hettinger2022-12-231-1/+20
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* Revert "gh-100288: Specialise LOAD_ATTR_METHOD for managed dictionaries ↵Ken Jin2022-12-234-70/+15
| | | | | (GH-100289)" (#100468) This reverts commit c3c7848a48b74a321632202e4bdcf2f465fb1cc6.
* gh-100288: Specialise LOAD_ATTR_METHOD for managed dictionaries (GH-100289)Ken Jin2022-12-234-15/+70
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* GH-100459: fix copy-paste errors in specialization stats (GH-100460)Irit Katriel2022-12-231-5/+5
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* GH-99554: Trim trailing whitespace (GH-100435)Brandt Bucher2022-12-221-1/+1
| | | Automerge-Triggered-By: GH:brandtbucher
* GH-99770: Make the correct call specialization fail kind show up in the ↵penguin_wwy2022-12-221-63/+84
| | | | stats (GH-99771)
* gh-99761: Add `_PyLong_IsPositiveSingleDigit` function to check for single ↵Pieter Eendebak2022-12-222-10/+6
| | | | digit integers (#100064)
* GH-99554: Pack location tables more effectively (GH-99556)Brandt Bucher2022-12-221-23/+44
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* gh-100188: Reduce misses in BINARY_SUBSCR_(LIST/TUPLE)_INT (#100189)Dennis Sweeney2022-12-201-4/+12
| | | Don't specialize if the index is negative.
* Correct CVE-2020-10735 documentation (#100306)Jeremy Paige2022-12-182-4/+4
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* gh-99240: Reset pointer to NULL when the pointed memory is freed in argument ↵colorfulappl2022-12-171-5/+5
| | | | | | parsing (#99890) Co-authored-by: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com> Co-authored-by: Erlend E. Aasland <erlend.aasland@protonmail.com>
* GH-98831: Add DECREF_INPUTS(), expanding to DECREF() each stack input (#100205)Guido van Rossum2022-12-171-18/+13
| | | | | | | | | | | | | | | | | | | The presence of this macro indicates that a particular instruction may be considered for conversion to a register-based format (see https://github.com/faster-cpython/ideas/issues/485). An invariant (currently unchecked) is that `DEOPT_IF()` may only occur *before* `DECREF_INPUTS()`, and `ERROR_IF()` may only occur *after* it. One reason not to check this is that there are a few places where we insert *two* `DECREF_INPUTS()` calls, in different branches of the code. The invariant checking would have to be able to do some flow control analysis to understand this. Note that many instructions, especially specialized ones, can't be converted to use this macro straightforwardly. This is because the generator currently only generates plain `Py_DECREF(variable)` statements, and cannot generate things like `_Py_DECREF_SPECIALIZED()` let alone deal with `_PyList_AppendTakeRef()`.
* GH-90043: Handle NaNs in COMPARE_OP_FLOAT_JUMP (GH-100278)Brandt Bucher2022-12-163-24/+21
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