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* Revert "bpo-40170: PyType_HasFeature() now always calls PyType_GetFlags() ↵Miss Islington (bot)2020-07-081-2/+10
| | | | | | | | (GH-19378)" (GH-21390) This partially reverts commit 45ec5b99aefa54552947049086e87ec01bc2fc9a. (cherry picked from commit b26a0db8ea2de3a8a8e4b40e69fc8642c7d7cb68) Co-authored-by: Victor Stinner <vstinner@python.org>
* bpo-38787: C API for module state access from extension methods (PEP 573) ↵Petr Viktorin2020-05-071-0/+5
| | | | | | | | | (GH-19936) Module C state is now accessible from C-defined heap type methods (PEP 573). Patch by Marcel Plch and Petr Viktorin. Co-authored-by: Marcel Plch <mplch@redhat.com> Co-authored-by: Victor Stinner <vstinner@python.org>
* Remove extraneous ')' in abstract.h (GH-19146)Jimmy Yang2020-04-081-1/+1
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* bpo-40170: PyType_HasFeature() now always calls PyType_GetFlags() (GH-19378)Victor Stinner2020-04-081-4/+0
| | | | | | | | PyType_HasFeature() now always calls PyType_GetFlags() to hide implementation details. Previously, it accessed directly the PyTypeObject.tp_flags member when the limited C API was not used. Add fast inlined version _PyType_HasFeature() and _PyType_IS_GC() for object.c and typeobject.c.
* bpo-39573: Make Py_IS_TYPE() take constant parameters (GH-18799)Andy Lester2020-03-061-2/+3
| | | Add _PyObject_CAST_CONST() macro: cast a pointer to (const PyObject *).
* bpo-39573: Add Py_IS_TYPE() function (GH-18488)Dong-hee Na2020-02-131-2/+7
| | | Co-Author: Neil Schemenauer <nas-github@arctrix.com>
* bpo-39573: Fix bad copy-paste in Py_SET_SIZE (GH-18496)Brandt Bucher2020-02-131-3/+3
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* bpo-39573: Add Py_SET_SIZE() function (GH-18400)Victor Stinner2020-02-071-0/+5
| | | Add Py_SET_SIZE() function to set the size of an object.
* bpo-39573: Add Py_SET_TYPE() function (GH-18394)Victor Stinner2020-02-071-0/+6
| | | Add Py_SET_TYPE() function to set the type of an object.
* bpo-39573: Add Py_SET_REFCNT() function (GH-18389)Victor Stinner2020-02-071-0/+5
| | | | Add a Py_SET_REFCNT() function to set the reference counter of an object.
* bpo-39245: Make Vectorcall C API public (GH-17893)Petr Viktorin2020-02-061-1/+3
| | | | | | | | | | | | | | | | | * Add backcompat defines and move non-limited API declaration to cpython/ This partially reverts commit 2ff58a24e8a1c7e290d025d69ebaea0bbead3b8c which added PyObject_CallNoArgs to the 3.9+ stable ABI. This should not be done; there are enough other call APIs in the stable ABI to choose from. * Adjust documentation Mark all newly public functions as added in 3.9. Add a note about the 3.8 provisional names. Add notes on public API. * Put PyObject_CallNoArgs back in the limited API * Rename PyObject_FastCallDict to PyObject_VectorcallDict
* bpo-39542: Define PyTypeObject earlier in object.h (GH-18366)Victor Stinner2020-02-051-20/+16
| | | Replace "struct _typeobject" with PyTypeObject in object.h.
* bpo-39542: Convert PyType_Check() to static inline function (GH-18364)Victor Stinner2020-02-051-9/+22
| | | | Convert PyType_HasFeature(), PyType_Check() and PyType_CheckExact() macros to static inline functions.
* bpo-39542: Make PyObject_INIT() opaque in limited C API (GH-18363)Victor Stinner2020-02-051-14/+1
| | | | | | | | | | | | | | In the limited C API, PyObject_INIT() and PyObject_INIT_VAR() are now defined as aliases to PyObject_Init() and PyObject_InitVar() to make their implementation opaque. It avoids to leak implementation details in the limited C API. Exclude the following functions from the limited C API, move them from object.h to cpython/object.h: * _Py_NewReference() * _Py_ForgetReference() * _PyTraceMalloc_NewReference() * _Py_GetRefTotal()
* bpo-39542: Exclude trashcan from the limited C API (GH-18362)Victor Stinner2020-02-051-87/+0
| | | | | | | | Exclude trashcan mechanism from the limited C API: it requires access to PyTypeObject and PyThreadState structure fields, whereas these structures are opaque in the limited C API. The trashcan mechanism never worked with the limited C API. Move it from object.h to cpython/object.h.
* bpo-39542: Make _Py_NewReference() opaque in C API (GH-18346)Victor Stinner2020-02-051-19/+2
| | | | | | | | | | _Py_NewReference() becomes a regular opaque function, rather than a static inline function in the C API (object.h), to better hide implementation details. Move _Py_tracemalloc_config from public pymem.h to internal pycore_pymem.h header. Make _Py_AddToAllObjects() private.
* bpo-39542: Simplify _Py_NewReference() (GH-18332)Victor Stinner2020-02-031-27/+15
| | | | | | | | | * Remove _Py_INC_REFTOTAL and _Py_DEC_REFTOTAL macros: modify directly _Py_RefTotal. * _Py_ForgetReference() is no longer defined if the Py_TRACE_REFS macro is not defined. * Remove _Py_NewReference() implementation from object.c: unify the two implementations in object.h inline function. * Fix Py_TRACE_REFS build: _Py_INC_TPALLOCS() macro has been removed.
* bpo-39542: Move object.h debug functions to internal C API (GH-18331)Victor Stinner2020-02-031-7/+0
| | | | | | | | Move the following functions from the public C API to the internal C API: * _PyDebug_PrintTotalRefs(), * _Py_PrintReferenceAddresses() * _Py_PrintReferences()
* bpo-39489: Remove COUNT_ALLOCS special build (GH-18259)Victor Stinner2020-02-031-18/+2
| | | | | | | | | | | Remove: * COUNT_ALLOCS macro * sys.getcounts() function * SHOW_ALLOC_COUNT code in listobject.c * SHOW_TRACK_COUNT code in tupleobject.c * PyConfig.show_alloc_count field * -X showalloccount command line option * @test.support.requires_type_collecting decorator
* Py_DECREF: only pass filename if Py_REF_DEBUG is defined (GH-17870)Victor Stinner2020-01-081-5/+10
| | | | | | | Filename and line numbers are not needed when Py_REF_DEBUG are not defined. The static inline _Py_DECREF() function was introduced by commit 2aaf0c12041bcaadd7f2cc5a54450eefd7a6ff12.
* Typo fix in file Include/object.h (GH-14556)Hansraj Das2019-07-051-2/+2
| | | | * accross -> across * Extra space removed in comment
* bpo-32388: Remove cross-version binary compatibility requirement in tp_flags ↵Antoine Pitrou2019-05-291-8/+10
| | | | | | | | (GH-4944) It is now allowed to add new fields at the end of the PyTypeObject struct without having to allocate a dedicated compatibility flag in tp_flags. This will reduce the risk of running out of bits in the 32-bit tp_flags value.
* bpo-36974: implement PEP 590 (GH-13185)Jeroen Demeyer2019-05-291-0/+5
| | | | | Co-authored-by: Jeroen Demeyer <J.Demeyer@UGent.be> Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-36922: implement PEP-590 Py_TPFLAGS_METHOD_DESCRIPTOR (GH-13338)Jeroen Demeyer2019-05-281-0/+3
| | | Co-authored-by: Mark Shannon <mark@hotpy.org>
* bpo-35983: skip trashcan for subclasses (GH-11841)Jeroen Demeyer2019-05-101-14/+37
| | | | | Add new trashcan macros to deal with a double deallocation that could occur when the `tp_dealloc` of a subclass calls the `tp_dealloc` of a base class and that base class uses the trashcan mechanism. Patch by Jeroen Demeyer.
* bpo-36465: Make release and debug ABI compatible (GH-12615)Victor Stinner2019-04-251-7/+2
| | | | | | | | | | | | | | Release build and debug build are now ABI compatible: the Py_DEBUG define no longer implies Py_TRACE_REFS define which introduces the only ABI incompatibility. A new "./configure --with-trace-refs" build option is now required to get Py_TRACE_REFS define which adds sys.getobjects() function and PYTHONDUMPREFS environment variable. Changes: * Add ./configure --with-trace-refs * Py_DEBUG no longer implies Py_TRACE_REFS
* bpo-36527: silence -Wunused-parameter warnings in object.h (GH-12688)Dmitry Marakasov2019-04-061-0/+3
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* bpo-35134: Don't define types twice in header files (GH-10754)Victor Stinner2018-11-271-12/+16
| | | | | | Fix the following clang warning: Include/cpython/pystate.h:217:3: warning: redefinition of typedef 'PyThreadState' is a C11 feature [-Wtypedef-redefinition]
* bpo-35134: Create Include/cpython/object.h (GH-10679)Victor Stinner2018-11-261-485/+6
| | | | | | | | * Move object.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/object.h header file. * "typedef struct _typeobject PyTypeObject;" is now always defined in object.h, but if Py_LIMITED_API is not defined, Include/cpython/object.h also defines the structure. * Complete the printfunc comment to mention Py_LIMITED_API define.
* bpo-35059: Add _PyObject_CAST() macro (GH-10645)Victor Stinner2018-11-221-11/+17
| | | | Add _PyObject_CAST() and _PyVarObject_CAST() macros to cast argument to PyObject* and PyVarObject* properly.
* bpo-35059: Convert _PyObject_GC_TRACK() to inline function (GH-10643)Victor Stinner2018-11-221-12/+15
| | | | | | | | | | | | | * Add _PyObject_ASSERT_FROM() and _PyObject_ASSERT_FAILED_MSG() macros. * PyObject_GC_Track() now calls _PyObject_ASSERT_FAILED_MSG(), instead of Py_FatalError(), if the object is already tracked, to dump more information on error. * _PyObject_GC_TRACK() no longer checks if the object is already tracked at runtime, use an assertion instead for best performances; PyObject_GC_Track() still checks at runtime. * pycore_object.h now includes pycore_pystate.h. * Convert _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() macros to inline functions.
* bpo-35059: Enhance _PyObject_AssertFailed() (GH-10642)Victor Stinner2018-11-211-3/+5
| | | | | | Enhance _PyObject_AssertFailed() * Exchange 'expr' and 'msg' parameters * 'expr' and 'func' arguments can now be NULL
* bpo-35230: dict: Remove some macros (GH-10513)INADA Naoki2018-11-141-2/+0
| | | | Remove _Py_REF_DEBUG_COMMA, DK_DEBUG_INCREF, and DK_DEBUG_DECREF. Convert DK_INCREF and DK_DECREF to static inline functions.
* bpo-35059: Convert _Py_Dealloc() to static inline function (GH-10223)Victor Stinner2018-10-301-6/+15
| | | | | Convert _Py_Dealloc() macro into a static inline function. Moreover, it is now also defined as a static inline function if Py_TRACE_REFS is defined.
* bpo-35059: Convert Py_XINCREF() to static inline function (GH-10224)Victor Stinner2018-10-291-13/+17
| | | | Convert Py_XINCREF() and Py_XDECREF() macros into static inline functions.
* bpo-35059: Convert Py_INCREF() to static inline function (GH-10079)Victor Stinner2018-10-291-29/+42
| | | | | * Convert Py_INCREF() and Py_DECREF() macros into static inline functions. * Remove _Py_CHECK_REFCNT() macro: code moved into Py_DECREF().
* bpo-35064 prefix smelly symbols that appear with COUNT_ALLOCS with _Py_ ↵Pablo Galindo2018-10-281-4/+4
| | | | | | | (GH-10152) Configuring python with ./configure --with-pydebug CFLAGS="-D COUNT_ALLOCS -O0" makes "make smelly" fail as some symbols were being exported without the "Py_" or "_Py" prefixes.
* bpo-35053: Define _PyTraceMalloc_NewReference in object.h (GH-10107)Victor Stinner2018-10-261-0/+4
| | | | | | _PyTraceMalloc_NewReference() is now called by _Py_NewReference(), so move its definition to object.h. Moreover, define it even if Py_LIMITED_API is defined, since _Py_NewReference() is also exposed even if Py_LIMITED_API is defined.
* bpo-9263: Dump Python object on GC assertion failure (GH-10062)Victor Stinner2018-10-251-0/+47
| | | | | | | | | | | | | | | | | | | | | | | Changes: * Add _PyObject_AssertFailed() function. * Add _PyObject_ASSERT() and _PyObject_ASSERT_WITH_MSG() macros. * gc_decref(): replace assert() with _PyObject_ASSERT_WITH_MSG() to dump the faulty object if the assertion fails. _PyObject_AssertFailed() calls: * _PyMem_DumpTraceback(): try to log the traceback where the object memory has been allocated if tracemalloc is enabled. * _PyObject_Dump(): log repr(obj). * Py_FatalError(): log the current Python traceback. _PyObject_AssertFailed() uses _PyObject_IsFreed() heuristic to check if the object memory has been freed by a debug hook on Python memory allocators. Initial patch written by David Malcolm. Co-Authored-By: David Malcolm <dmalcolm@redhat.com>
* bpo-35059: Add Py_STATIC_INLINE() macro (GH-10093)Victor Stinner2018-10-251-2/+2
| | | | | | | | | * Add Py_STATIC_INLINE() macro to declare a "static inline" function. If the compiler supports it, try to always inline the function even if no optimization level was specified. * Modify pydtrace.h to use Py_STATIC_INLINE() when WITH_DTRACE is not defined. * Add an unit test on Py_DECREF() to make sure that _Py_NegativeRefcount() reports the correct filename.
* bpo-35053: Add Include/tracemalloc.h (GH-10091)Victor Stinner2018-10-251-0/+3
| | | | | | | * Modify object.h to ensure that pymem.h is included, to get _Py_tracemalloc_config variable. * Move _PyTraceMalloc_XXX() functions to tracemalloc.h, they need PyObject type. Break circular dependency between pymem.h and object.h.
* bpo-35053: Enhance tracemalloc to trace free lists (GH-10063)Victor Stinner2018-10-251-0/+3
| | | | | | | | | | | | tracemalloc now tries to update the traceback when an object is reused from a "free list" (optimization for faster object creation, used by the builtin list type for example). Changes: * Add _PyTraceMalloc_NewReference() function which tries to update the Python traceback of a Python object. * _Py_NewReference() now calls _PyTraceMalloc_NewReference(). * Add an unit test.
* bpo-9263: _PyObject_Dump() detects freed memory (GH-10061)Victor Stinner2018-10-231-0/+1
| | | | | | | | | _PyObject_Dump() now uses an heuristic to check if the object memory has been freed: log "<freed object>" in that case. The heuristic rely on the debug hooks on Python memory allocators which fills the memory with DEADBYTE (0xDB) when memory is deallocated. Use PYTHONMALLOC=debug to always enable these debug hooks.
* bpo-32571: Avoid raising unneeded AttributeError and silencing it in C code ↵Serhiy Storchaka2018-01-251-2/+11
| | | | | (GH-5222) Add two new private APIs: _PyObject_LookupAttr() and _PyObject_LookupAttrId()
* bpo-32544: Speed up hasattr() and getattr() (GH-5173)INADA Naoki2018-01-161-1/+3
| | | | | AttributeError was raised always when attribute is not found. This commit skip raising AttributeError when `tp_getattro` is `PyObject_GenericGetAttr`. It makes hasattr() and getattr() about 4x faster when attribute is not found.
* bpo-32030: Add more options to _PyCoreConfig (#4485)Victor Stinner2017-11-201-1/+0
| | | | | | Py_Main() now handles two more -X options: * -X showrefcount: new _PyCoreConfig.show_ref_count field * -X showalloccount: new _PyCoreConfig.show_alloc_count field
* Fix miscellaneous typos (#4275)luzpaz2017-11-051-1/+1
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* bpo-23699: Use a macro to reduce boilerplate code in rich comparison ↵stratakis2017-11-021-0/+19
| | | | functions (GH-793)
* bpo-31497: Add private helper _PyType_Name(). (#3630)Serhiy Storchaka2017-09-171-0/+1
| | | | This function returns the last component of tp_name after a dot. Returns tp_name itself if it doesn't contain a dot.
* bpo-30860: Fix a refleak. (#3567)Eric Snow2017-09-141-2/+1
| | | | | Resolves bpo-31420. (This was accidentally reverted when in #3565.)
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