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* bpo-45885: Specialize COMPARE_OP (GH-29734)Dennis Sweeney2021-12-033-37/+46
| | | | | | | * Add COMPARE_OP_ADAPTIVE adaptive instruction. * Add COMPARE_OP_FLOAT_JUMP, COMPARE_OP_INT_JUMP and COMPARE_OP_STR_JUMP specialized instructions. * Introduce and use _PyUnicode_Equal
* bpo-45582: Port getpath[p].c to Python (GH-29041)Steve Dower2021-12-035-62/+14
| | | | | The getpath.py file is frozen at build time and executed as code over a namespace. It is never imported, nor is it meant to be importable or reusable. However, it should be easier to read, modify, and patch than the previous code. This commit attempts to preserve every previously tested quirk, but these may be changed in the future to better align platforms.
* bpo-40280: Optimize ints and and startup on wasm (GH-29887)Christian Heimes2021-12-021-4/+8
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* bpo-45954: Rename PyConfig.no_debug_ranges to code_debug_ranges (GH-29886)Victor Stinner2021-12-021-1/+1
| | | | | | | Rename PyConfig.no_debug_ranges to PyConfig.code_debug_ranges and invert the value. Document -X no_debug_ranges and PYTHONNODEBUGRANGES env var in PyConfig.code_debug_ranges documentation.
* bpo-45753: Interpreter internal tweaks (GH-29575)Mark Shannon2021-12-012-11/+17
| | | | | | | | | | * Split exit paths into exceptional and non-exceptional. * Move exit tracing code to individual bytecodes. * Wrap all trace entry and exit events in macros to make them clearer and easier to enhance. * Move return sequence into RETURN_VALUE, YIELD_VALUE and YIELD_FROM. Distinguish between normal trace events and dtrace events.
* bpo-45476: Disallow using asdl_seq_GET() as l-value (GH-29866)Victor Stinner2021-11-301-3/+3
| | | | | | | | | The following internal macros can not longer be used as l-value: * asdl_seq_GET() * asdl_seq_GET_UNTYPED() * asdl_seq_LEN() They are modified to use the _Py_RVALUE() macro.
* bpo-45476: Add _Py_RVALUE() macro (GH-29860)Victor Stinner2021-11-306-7/+11
| | | | | | | | | | | | | | | | | | Add a new _Py_RVALUE() macro to prevent using an expression as an l-value. Replace a "(void)" cast with the _Py_RVALUE() macro in the following macros: * PyCell_SET() * PyList_SET_ITEM() * PyTuple_SET_ITEM() * _PyGCHead_SET_FINALIZED() * _PyGCHead_SET_NEXT() * asdl_seq_SET() * asdl_seq_SET_UNTYPED() Add also parentheses around macro arguments in PyCell_SET() and PyTuple_SET_ITEM() macros.
* bpo-45786: Allocate space for frame in frame object. (GH-29729)Mark Shannon2021-11-294-21/+7
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* bpo-45711: use exc_value instead of exc_type to determine if exc_info is ↵Irit Katriel2021-11-251-0/+2
| | | | valid. Add more assertions. (GH-29627)
* bpo-45893: Add missing extern C to initconfig.h (GH-29761)Christian Heimes2021-11-241-0/+6
| | | Co-authored-by: Steve Dower <steve.dower@python.org>
* bpo-39026: Fix Python.h when building with Xcode (GH-29488)Victor Stinner2021-11-232-3/+1
| | | | Fix Python.h to build C extensions with Xcode: remove a relative include from Include/cpython/pystate.h.
* bpo-44525: Copy free variables in bytecode to allow calls to inner functions ↵Mark Shannon2021-11-235-18/+29
| | | | | | | | | | | to be specialized (GH-29595) * Make internal APIs that take PyFrameConstructor take a PyFunctionObject instead. * Add reference to function to frame, borrow references to builtins and globals. * Add COPY_FREE_VARS instruction to allow specialization of calls to inner functions.
* bpo-45848: Allow the parser to get error lines from encoded files (GH-29646)Pablo Galindo Salgado2021-11-201-0/+5
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* bpo-45609: Specialize STORE_SUBSCR (GH-29242)Dennis Sweeney2021-11-193-29/+35
| | | | | * Specialize STORE_SUBSCR for list[int], and dict[object] * Adds _PyDict_SetItem_Take2 which consumes references to the key and values.
* bpo-45829: Specialize BINARY_SUBSCR for __getitem__ implemented in Python. ↵Mark Shannon2021-11-182-33/+35
| | | | (GH-29592)
* bpo-45510: Specialize BINARY_SUBTRACT (GH-29523)Dong-hee Na2021-11-182-33/+36
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* bpo-45636: Simplify BINARY_OP (GH-29565)Brandt Bucher2021-11-161-0/+3
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* bpo-45753: Make recursion checks more efficient. (GH-29524)Mark Shannon2021-11-162-6/+6
| | | | * Uses recursion remaining, instead of recursion depth to speed up check against recursion limit.
* bpo-45636: Merge all numeric operators (GH-29482)Brandt Bucher2021-11-112-174/+175
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* bpo-45696: Deep-freeze selected modules (GH-29118)Guido van Rossum2021-11-111-0/+1
| | | | | | | This gains 10% or more in startup time for `python -c pass` on UNIX-ish systems. The Makefile.pre.in generating code builds on Eric's work for bpo-45020, but the .c file generator is new. Windows version TBD.
* bpo-45723: Prepare support for autoconf 2.71 (GH-29441)Christian Heimes2021-11-081-8/+1
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* Post 3.11.0a2Pablo Galindo2021-11-051-1/+1
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* Python 3.11.0a2v3.11.0a2Pablo Galindo2021-11-051-2/+2
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* bpo-45292: [PEP 654] Update traceback display code to work with exception ↵Irit Katriel2021-11-051-0/+11
| | | | groups (GH-29207)
* bpo-45691: Make array of small ints static to fix use-after-free error. ↵Mark Shannon2021-11-033-29/+17
| | | | (GH-29366)
* bpo-45395: Make custom frozen modules additions instead of replacements. ↵Eric Snow2021-10-281-0/+3
| | | | | | | | | (gh-28778) Currently custom modules (the array set on PyImport_FrozenModules) replace all the frozen stdlib modules. That can be problematic and is unlikely to be what the user wants. This change treats the custom frozen modules as additions instead. They take precedence over all other frozen modules except for those needed to bootstrap the import system. If the "code" field of an entry in the custom array is NULL then that frozen module is treated as disabled, which allows a custom entry to disable a frozen stdlib module. This change allows us to get rid of is_essential_frozen_module() and simplifies the logic for which frozen modules should be ignored. https://bugs.python.org/issue45395
* Store actual ints, not pointers to them in the interpreter state. (GH-29274)Mark Shannon2021-10-283-3/+3
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* bpo-45256: Rationalize code around Python-to-Python calls a bit. (GH-29235)Mark Shannon2021-10-281-0/+15
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* bpo-45637: Store the frame pointer in the cframe (GH-29267)Mark Shannon2021-10-281-2/+2
| | | * Rename 'frame' to 'current_frame'
* bpo-44511: Improve the bytecode for class and mapping patterns (GH-26922)Brandt Bucher2021-10-271-19/+19
| | | | | | | * Refactor mapping patterns and speed up class patterns. * Simplify MATCH_KEYS and MATCH_CLASS. * Add COPY opcode.
* bpo-45506: Normalize _PyPathConfig.stdlib_dir when calculated. (#29040)Eric Snow2021-10-221-0/+3
| | | | | The recently added PyConfig.stdlib_dir was being set with ".." entries. When __file__ was added for from modules this caused a problem on out-of-tree builds. This PR fixes that by normalizing "stdlib_dir" when it is calculated in getpath.c. https://bugs.python.org/issue45506
* bpo-45292: [PEP 654] add the ExceptionGroup and BaseExceptionGroup classes ↵Irit Katriel2021-10-224-0/+12
| | | | (GH-28569)
* bpo-45522: Allow to disable freelists on build time (GH-29056)Christian Heimes2021-10-211-0/+37
| | | | | | | | Freelists for object structs can now be disabled. A new ``configure`` option ``--without-freelists`` can be used to disable all freelists except empty tuple singleton. Internal Py*_MAXFREELIST macros can now be defined as 0 without causing compiler warnings and segfaults. Signed-off-by: Christian Heimes <christian@python.org>
* bpo-45315: PyType_FromSpec: Copy spec->name and have the type own the memory ↵Petr Viktorin2021-10-211-0/+1
| | | | for its name (GH-29103)
* bpo-44220: Export PyStructSequence_UnnamedField in the limited API (GH-26331)Ken Jin2021-10-211-1/+1
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* bpo-45527: Don't count cache hits, just misses. (GH-29092)Mark Shannon2021-10-201-47/+0
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* bpo-44525: Specialize simple Python calls. (GH-29033)Mark Shannon2021-10-202-23/+31
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* bpo-45474: Exclude all of marshal.h if Py_LIMITED_API is defined (GH-29061)Petr Viktorin2021-10-201-2/+4
| | | | | Also, reword the What's New messages: this doesn't change the limited API, it only brings the Py_LIMITED_API macro closer to the ideal of only allowing the limited API. Automerge-Triggered-By: GH:encukou
* bpo-44525: Specialize ``CALL_FUNCTION`` for C function calls (GH-26934)Ken Jin2021-10-192-23/+29
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* bpo-45434: Only exclude <stdlib.h> in Python 3.11 limited C API (GH-29027)Victor Stinner2021-10-192-7/+10
| | | | | | | The Python 3.11 limited C API no longer includes stdlib.h, stdio.h, string.h and errno.h. * Exclude Py_MEMCPY() from Python 3.11 limited C API. * xxlimited C extension is now built with Python 3.11 limited C API.
* bpo-35134: Add Include/cpython/longobject.h (GH-29044)Victor Stinner2021-10-193-130/+124
| | | | | | | | | | Move Include/longobject.h non-limited API to a new Include/cpython/longobject.h header file. Move the following definitions to the internal C API: * _PyLong_DigitValue * _PyLong_FormatAdvancedWriter() * _PyLong_FormatWriter()
* bpo-35134: Split warnings.h and weakrefobject.h (GH-29042)Victor Stinner2021-10-185-77/+82
| | | | | | | | | | | | | Split header files to move the non-limited API to Include/cpython/: * Include/warnings.h => Include/cpython/warnings.h * Include/weakrefobject.h => Include/cpython/weakrefobject.h Exclude PyWeakref_GET_OBJECT() from the limited C API. It never worked since the PyWeakReference structure is opaque in the limited C API. Move _PyWarnings_Init() and _PyErr_WarnUnawaitedCoroutine() to the internal C API.
* bpo-43760: Rename _PyThreadState_DisableTracing() (GH-29032)Victor Stinner2021-10-181-2/+2
| | | | | | * Rename _PyThreadState_DisableTracing() to _PyThreadState_PauseTracing() * Rename _PyThreadState_ResetTracing() to _PyThreadState_ResumeTracing()
* bpo-45020: Default to using frozen modules unless running from source tree. ↵Eric Snow2021-10-161-0/+1
| | | | | | | (gh-28940) The default was "off". Switching it to "on" means users get the benefit of frozen stdlib modules without having to do anything. There's a special-case for running-in-source-tree, so contributors don't get surprised when their stdlib changes don't get used. https://bugs.python.org/issue45020
* bpo-45440: Remove pymath.c fallbacks (GH-28977)Victor Stinner2021-10-151-18/+0
| | | | | | | | Remove fallbacks for missing round(), copysign() and hypot() in Python/pymath.c. Python now requires these functions to build. These fallbacks were needed on Visual Studio 2012 and older. They are no longer needed since Visual Stuido 2013. Python is now built with Visual Studio 2017 or newer since Python 3.6.
* bpo-30459: Use (void) in macros setting variables (GH-28982)Victor Stinner2021-10-152-4/+4
| | | | | | | | Convert the result of macros setting variables to void to avoid risks of misusing them: * _PyGCHead_SET_NEXT() * asdl_seq_SET() * asdl_seq_SET_UNTYPED()
* bpo-43760: Add PyThreadState_EnterTracing() (GH-28542)Victor Stinner2021-10-152-1/+25
| | | | | | | | | | Add PyThreadState_EnterTracing() and PyThreadState_LeaveTracing() functions to the limited C API to suspend and resume tracing and profiling. Add an unit test on the PyThreadState C API to _testcapi. Add also internal _PyThreadState_DisableTracing() and _PyThreadState_ResetTracing().
* bpo-45482: Rename namespaceobject.h to pycore_namespace.h (GH-28975)Victor Stinner2021-10-153-20/+20
| | | | | | | | | Rename Include/namespaceobject.h to Include/internal/pycore_namespace.h. The _testmultiphase extension is now built with the Py_BUILD_CORE_MODULE macro defined to access _PyNamespace_Type. object.c: remove unused "pycore_context.h" include.
* bpo-45434: Remove Include/eval.h header file (GH-28973)Victor Stinner2021-10-154-29/+13
| | | | Move Include/eval.h content into Include/ceval.h and Include/cpython/ceval.h, and remove Include/eval.h.
* bpo-35081: Move interpreteridobject.h to Include/internal/ (GH-28969)Victor Stinner2021-10-153-21/+15
| | | | Move the interpreteridobject.h header file from Include/ to Include/internal/. It only provides private functions.
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