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* bpo-46329: Split calls into precall and call instructions. (GH-30855)Mark Shannon2022-01-283-38/+49
| | | | | | | | | | | | | | * Add PRECALL_FUNCTION opcode. * Move 'call shape' varaibles into struct. * Replace CALL_NO_KW and CALL_KW with KW_NAMES and CALL instructions. * Specialize for builtin methods taking using the METH_FASTCALL | METH_KEYWORDS protocol. * Allow kwnames for specialized calls to builtin types. * Specialize calls to tuple(arg) and str(arg).
* bpo-40170: Remove PyHeapType_GET_MEMBERS() macro (GH-30942)Victor Stinner2022-01-272-4/+4
| | | | | | | | Remove the PyHeapType_GET_MEMBERS() macro. It was exposed in the public C API by mistake, it must only be used by Python internally. Use the PyTypeObject.tp_members member instead. Rename PyHeapType_GET_MEMBERS() to _PyHeapType_GET_MEMBERS() and move it to the internal C API.
* bpo-40170: Move _Py_GetAllocatedBlocks() to pycore_pymem.h (GH-30943)Victor Stinner2022-01-272-9/+8
| | | | | Move _Py_GetAllocatedBlocks() and _PyObject_DebugMallocStats() declarations to pycore_pymem.h. These functions are related to memory allocators, not to the PyObject structure.
* bpo-46476: Simplify and fix _PyStaticCode_Dealloc (GH-30965)Christian Heimes2022-01-271-1/+1
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* bpo-46541: Generate the global objects initializer. (gh-30941)Eric Snow2022-01-271-0/+3
| | | | | | | This change is a prerequisite for generating code for other global objects (like strings in gh-30928). (We borrowed some code from Tools/scripts/deepfreeze.py.) https://bugs.python.org/issue46541
* bpo-46476: Fix memory leak in code objects generated by deepfreeze (GH-30853)Kumar Aditya2022-01-272-0/+3
| | | Add _Py_Deepfreeze_Fini() and _PyStaticCode_Dealloc() functions.
* bpo-40170: Remove _Py_GetAllocatedBlocks() function (GH-30940)Victor Stinner2022-01-272-8/+9
| | | | Move _Py_GetAllocatedBlocks() and _PyObject_DebugMallocStats() private functions to the internal C API.
* bpo-40170: PyType_SUPPORTS_WEAKREFS() becomes a regular function (GH-30938)Victor Stinner2022-01-272-2/+7
| | | | | | | | Convert the PyType_SUPPORTS_WEAKREFS() macro to a regular function. It no longer access the PyTypeObject.tp_weaklistoffset member directly. Add _PyType_SUPPORTS_WEAKREFS() static inline functions, used internally by Python for best performance.
* bpo-46528: Simplify the VM's stack manipulations (GH-30902)Brandt Bucher2022-01-261-61/+56
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* bpo-35134: Add Include/cpython/descrobject.h (GH-30923)Victor Stinner2022-01-262-68/+72
| | | | Move Include/descrobject.h non-limited API to a new Include/cpython/descrobject.h header file.
* bpo-43683: Streamline YIELD_VALUE and SEND (GH-30723)Mark Shannon2022-01-241-6/+7
| | | | | | | | * Split YIELD_VALUE into ASYNC_GEN_WRAP; YIELD_VALUE for async generators. * Split SEND into SEND; YIELD_VALUE. * Document new opcodes.
* bpo-46481: Implement vectorcall for weakref.ref.__call__ method. (GH-30820)Dong-hee Na2022-01-231-0/+1
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* bpo-29882: Fix portability bug introduced in GH-30774 (#30794)Mark Dickinson2022-01-231-4/+14
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* bpo-46417: Clear symtable identifiers at exit (GH-30809)Victor Stinner2022-01-221-0/+2
| | | | | | Add _PySymtable_Fini() function, called by finalize_interp_clear(). Update test_cmd_line.test_showrefcount() to tolerate negative reference count.
* bpo-46417: Clear Unicode static types at exit (GH-30806)Victor Stinner2022-01-221-0/+1
| | | | | | | | | | | Add _PyUnicode_FiniTypes() function, called by finalize_interp_types(). It clears these static types: * EncodingMapType * PyFieldNameIter_Type * PyFormatterIter_Type _PyStaticType_Dealloc() now does nothing if tp_subclasses is not NULL.
* bpo-46417: Factorize _PyExc_InitTypes() code (GH-30804)Victor Stinner2022-01-222-2/+2
| | | | | | | | Add 'static_exceptions' list to factorize code between _PyExc_InitTypes() and _PyBuiltins_AddExceptions(). _PyExc_InitTypes() does nothing if it's not the main interpreter. Sort exceptions in Lib/test/exception_hierarchy.txt.
* bpo-46417: Clear more static types (GH-30796)Victor Stinner2022-01-222-11/+11
| | | | | | | * Move PyContext static types into object.c static_types list. * Rename PyContextTokenMissing_Type to _PyContextTokenMissing_Type and declare it in pycore_context.h. * _PyHamtItems types are no long exported: replace PyAPI_DATA() with extern.
* bpo-29882: _Py_popcount32() doesn't need 64x64 multiply (GH-30774)Victor Stinner2022-01-211-1/+1
| | | 32x32 bits multiply is enough for _Py_popcount32().
* bpo-46417: Add _PyType_GetSubclasses() function (GH-30761)Victor Stinner2022-01-211-5/+6
| | | | | | | | | | | | | | Add a new _PyType_GetSubclasses() function to get type's subclasses. _PyType_GetSubclasses(type) returns a list which holds strong refererences to subclasses. It is safer than iterating on type->tp_subclasses which yields weak references and can be modified in the loop. _PyType_GetSubclasses(type) now holds a reference to the tp_subclasses dict while creating the list of subclasses. set_collection_flag_recursive() of _abc.c now uses _PyType_GetSubclasses().
* bpo-46417: Add _PyType_CAST() macro (GH-30760)Victor Stinner2022-01-212-1/+3
| | | | In debug mode, the macro makes sure that its argument is a type using an assertion.
* bpo-46417: Py_Finalize() clears static types (GH-30743)Victor Stinner2022-01-211-0/+1
| | | | | | | Add _PyTypes_FiniTypes() best-effort function to clear static types: don't deallocate a type if it still has subclasses. remove_subclass() now sets tp_subclasses to NULL when removing the last subclass.
* bpo-46417: _curses uses PyStructSequence_NewType() (GH-30736)Victor Stinner2022-01-212-3/+5
| | | | | | | | The _curses module now creates its ncurses_version type as a heap type using PyStructSequence_NewType(), rather than using a static type. * Move _PyStructSequence_FiniType() definition to pycore_structseq.h. * test.pythoninfo: log curses.ncurses_version.
* bpo-46417: Finalize structseq types at exit (GH-30645)Victor Stinner2022-01-216-0/+10
| | | | | | | | | | | | | | | | | | Add _PyStructSequence_FiniType() and _PyStaticType_Dealloc() functions to finalize a structseq static type in Py_Finalize(). Currrently, these functions do nothing if Python is built in release mode. Clear static types: * AsyncGenHooksType: sys.set_asyncgen_hooks() * FlagsType: sys.flags * FloatInfoType: sys.float_info * Hash_InfoType: sys.hash_info * Int_InfoType: sys.int_info * ThreadInfoType: sys.thread_info * UnraisableHookArgsType: sys.unraisablehook * VersionInfoType: sys.version * WindowsVersionType: sys.getwindowsversion()
* bpo-46409: Make generators in bytecode (GH-30633)Mark Shannon2022-01-203-16/+17
| | | | | | | | | | | | * Add RETURN_GENERATOR and JUMP_NO_INTERRUPT opcodes. * Trim frame and generator by word each. * Minor refactor of frame.c * Update test.test_sys to account for smaller frames. * Treat generator functions as normal functions when evaluating and specializing.
* Merge remote-tracking branch 'upstream/main'Pablo Galindo2022-01-149-608/+687
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| * bpo-45569: Change PYLONG_BITS_IN_DIGIT default to 30 (GH-30497)Mark Dickinson2022-01-141-12/+4
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| * bpo-45953: Statically initialize all the non-object PyInterpreterState ↵Eric Snow2022-01-142-0/+29
| | | | | | | | | | fields we can. (gh-30589) https://bugs.python.org/issue45953
| * bpo-45953: Statically initialize all the PyThreadState fields we can. (gh-30590)Eric Snow2022-01-143-13/+36
| | | | | | https://bugs.python.org/issue45953
| * bpo-46362: Ensure ntpath.abspath() uses the Windows API correctly (GH-30571)neonene2022-01-131-0/+3
| | | | | | This makes ntpath.abspath()/getpath_abspath() follow normpath(), since some WinAPIs such as PathCchSkipRoot() require backslashed paths.
| * Statically initialize _PyRuntimeState fields. (gh-30588)Eric Snow2022-01-131-0/+11
| | | | | | https://bugs.python.org/issue45953
| * bpo-46370: Move the static initializer for _PyRuntime to its own header ↵Eric Snow2022-01-134-583/+604
| | | | | | | | | | file. (gh-30587) https://bugs.python.org/issue46370
* | Post 3.11.0a4Pablo Galindo2022-01-141-1/+1
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* | Python 3.11.0a4v3.11.0a4Pablo Galindo2022-01-131-2/+2
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* bpo-46315: Add ifdef HAVE_ feature checks for WASI compatibility (GH-30507)Christian Heimes2022-01-132-2/+4
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* bpo-45953: Statically allocate the main interpreter (and initial thread ↵Eric Snow2022-01-124-16/+76
| | | | | | | | | state). (gh-29883) Previously, the main interpreter was allocated on the heap during runtime initialization. Here we instead embed it into _PyRuntimeState, which means it is statically allocated as part of the _PyRuntime global. The same goes for the initial thread state (of each interpreter, including the main one). Consequently there are fewer allocations during runtime/interpreter init, fewer possible failures, and better memory locality. FYI, this also helps efforts to consolidate globals, which in turns helps work on subinterpreter isolation. https://bugs.python.org/issue45953
* bpo-45953: Statically allocate and initialize global bytes objects. (gh-30096)Eric Snow2022-01-113-12/+280
| | | | | The empty bytes object (b'') and the 256 one-character bytes objects were allocated at runtime init. Now we statically allocate and initialize them. https://bugs.python.org/issue45953
* bpo-46303: Move fileutils.h private functions to internal C API (GH-30484)Victor Stinner2022-01-113-159/+162
| | | | | | | | | | Move almost all private functions of Include/cpython/fileutils.h to the internal C API Include/internal/pycore_fileutils.h. Only keep _Py_fopen_obj() in Include/cpython/fileutils.h, since it's used by _testcapi which must not use the internal C API. Move EncodeLocaleEx() and DecodeLocaleEx() functions from _testcapi to _testinternalcapi, since the C API moved to the internal C API.
* bpo-45923: Handle call events in bytecode (GH-30364)Mark Shannon2022-01-061-0/+1
| | | | * Add a RESUME instruction to handle "call" events.
* bpo-46031: add POP_JUMP_IF_NOT_NONE and POP_JUMP_IF_NONE (GH-30019)penguin_wwy2022-01-061-5/+7
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* bpo-46006: Revert "bpo-40521: Per-interpreter interned strings (GH-20085)" ↵Victor Stinner2022-01-061-11/+1
| | | | | | | | | | | (GH-30422) This reverts commit ea251806b8dffff11b30d2182af1e589caf88acf. Keep "assert(interned == NULL);" in _PyUnicode_Fini(), but only for the main interpreter. Keep _PyUnicode_ClearInterned() changes avoiding the creation of a temporary Python list object.
* bpo-45256: Don't track the exact depth of each `InterpreterFrame` (GH-30372)Brandt Bucher2022-01-051-2/+4
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* bpo-46009: Remove GEN_START (GH-30367)Brandt Bucher2022-01-041-4/+3
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* bpo-46202: Remove opcode POP_EXCEPT_AND_RERAISE (GH-30302)Irit Katriel2022-01-041-37/+36
| | | | | | * bpo-46202: remove opcode POP_EXCEPT_AND_RERAISE * do not assume that an exception group is truthy
* bpo-46219, 46221: simplify except* implementation following exc_info ↵Irit Katriel2022-01-021-3/+3
| | | | changes. Move helpers to exceptions.c. Do not assume that exception groups are truthy. (GH-30289)
* bpo-46218: Change long_pow() to sliding window algorithm (GH-30319)Tim Peters2022-01-021-6/+0
| | | | | | | | | | | * bpo-46218: Change long_pow() to sliding window algorithm The primary motivation is to eliminate long_pow's reliance on that the number of bits in a long "digit" is a multiple of 5. Now it no longer cares how many bits are in a digit. But the sliding window approach also allows cutting the precomputed table of small powers in half, which reduces initialization overhead enough that the approach pays off for smaller exponents too. Depending on exponent bit patterns, a sliding window may also be able to save some bigint multiplies (sometimes when at least 5 consecutive exponent bits are 0, regardless of their starting bit position modulo 5). Note: boosting the window width to 6 didn't work well overall. It give marginal speed improvements for huge exponents, but the increased overhead (the small-power table needs twice as many entries) made it a loss for smaller exponents. Co-authored-by: Oleg Iarygin <dralife@yandex.ru>
* bpo-46090: Allow PyThreadState.datastack_* members to be NULL (GH-30234)Brandt Bucher2021-12-281-4/+7
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* bpo-46140: take more Py_buffer arguments as const * (GH-30217)David Hewitt2021-12-222-4/+4
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* Revert "bpo-46131: add fastpath for PyFloat_Check() (GH-30200)" (GH-30208)Raymond Hettinger2021-12-192-3/+0
| | | This reverts commit 2ef06d412531d1163dbc72877c88aedf3ed82a25.
* bpo-46131: add fastpath for PyFloat_Check() (#30200)Matti Picus2021-12-192-0/+3
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* bpo-46072: Add top level stats struct (GH-30169)Mark Shannon2021-12-171-8/+21
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