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* bpo-40137: Add pycore_moduleobject.h internal header (GH-25507)Victor Stinner2021-04-221-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add pycore_moduleobject.h internal header file with static inline functions to access module members: * _PyModule_GetDict() * _PyModule_GetDef() * _PyModule_GetState() These functions don't check at runtime if their argument has a valid type and can be inlined even if Python is not built with LTO. _PyType_GetModuleByDef() uses _PyModule_GetDef(). Replace PyModule_GetState() with _PyModule_GetState() in the extension modules, considered as performance sensitive: * _abc * _functools * _operator * _pickle * _queue * _random * _sre * _struct * _thread * _winapi * array * posix The following extensions are now built with the Py_BUILD_CORE_MODULE macro defined, to be able to use the internal pycore_moduleobject.h header: _abc, array, _operator, _queue, _sre, _struct.
* bpo-27129: Use instruction offsets, not byte offsets, in bytecode and ↵Mark Shannon2021-04-011-10/+19
| | | | | | | internally. (GH-25069) * Use instruction offset, rather than bytecode offset. Streamlines interpreter dispatch a bit, and removes most EXTENDED_ARGs for jumps. * Change some uses of PyCode_Addr2Line to PyFrame_GetLineNumber
* bpo-43541: Fix PyEval_EvalCodeEx() regression (GH-24918)Victor Stinner2021-03-181-1/+1
| | | | | | | | | | | * Remove an assertion which required CO_NEWLOCALS and CO_OPTIMIZED code flags. It is ok to call this function on a code with these flags set. * Fix reference counting on builtins: remove Py_DECREF(). Fix regression introduced in the commit 46496f9d12582bf11f4911ad0f23315d6f277907. Add also a comment to document that _PyEval_BuiltinsFromGlobals() returns a borrowed reference.
* bpo-42990: Functions inherit current builtins (GH-24564)Victor Stinner2021-02-201-15/+4
| | | | | | | | | | | | | | | | | | | | The types.FunctionType constructor now inherits the current builtins if the globals dictionary has no "__builtins__" key, rather than using {"None": None} as builtins: same behavior as eval() and exec() functions. Defining a function with "def function(...): ..." in Python is not affected, globals cannot be overriden with this syntax: it also inherits the current builtins. PyFrame_New(), PyEval_EvalCode(), PyEval_EvalCodeEx(), PyFunction_New() and PyFunction_NewWithQualName() now inherits the current builtins namespace if the globals dictionary has no "__builtins__" key. * Add _PyEval_GetBuiltins() function. * _PyEval_BuiltinsFromGlobals() now uses _PyEval_GetBuiltins() if builtins cannot be found in globals. * Add tstate parameter to _PyEval_BuiltinsFromGlobals().
* bpo-43268: Pass interp rather than tstate to internal functions (GH-24580)Victor Stinner2021-02-191-5/+5
| | | | | | | | | | | | | | | Pass the current interpreter (interp) rather than the current Python thread state (tstate) to internal functions which only use the interpreter. Modified functions: * _PyXXX_Fini() and _PyXXX_ClearFreeList() functions * _PyEval_SignalAsyncExc(), make_pending_calls() * _PySys_GetObject(), sys_set_object(), sys_set_object_id(), sys_set_object_str() * should_audit(), set_flags_from_config(), make_flags() * _PyAtExit_Call() * init_stdio_encoding() * etc.
* bpo-42990: Refactor _PyFrame_New_NoTrack() (GH-24566)Victor Stinner2021-02-181-51/+43
| | | | | | | | | | | | * Refactor _PyFrame_New_NoTrack() and PyFunction_NewWithQualName() code. * PyFrame_New() checks for _PyEval_BuiltinsFromGlobals() failure. * Fix a ref leak in _PyEval_BuiltinsFromGlobals() error path. * Complete PyFunction_GetModule() documentation: it returns a borrowed reference and it can return NULL. * Move _PyEval_BuiltinsFromGlobals() definition to the internal C API. * PyFunction_NewWithQualName() uses _Py_IDENTIFIER() API for the "__name__" string to make it compatible with subinterpreters.
* bpo-42990: Further refactoring of PyEval_ functions. (GH-24368)Mark Shannon2021-02-011-29/+22
| | | | | | | | | | * Further refactoring of PyEval_EvalCode and friends. Break into make-frame, and eval-frame parts. * Simplify function vector call using new _PyEval_Vector. * Remove unused internal functions: _PyEval_EvalCodeWithName and _PyEval_EvalCode. * Don't use legacy function PyEval_EvalCodeEx.
* bpo-42990: Introduce 'frame constructor' struct to simplify API for ↵Mark Shannon2021-01-291-52/+33
| | | | | | | PyEval_CodeEval and friends (GH-24298) * Introduce 'frame constructor' to simplify API for frame creation * Embed struct using a macro to conform to PEP 7
* bpo-42823: Fix frame lineno when frame.f_trace is set (GH-24099)Mark Shannon2021-01-051-7/+5
| | | | | | | | | * Add test for frame.f_lineno with/without tracing. * Make sure that frame.f_lineno is correct regardless of whether frame.f_trace is set. * Update importlib * Add NEWS
* bpo-42246: Partial implementation of PEP 626. (GH-23113)Mark Shannon2020-11-121-25/+11
| | | * Implement new line number table format, as defined in PEP 626.
* bpo-40941: Unify implicit and explicit state in the frame and generator ↵Mark Shannon2020-07-171-45/+45
| | | | | | | objects into a single value. (GH-20803) * Merge gen and frame state variables into one. * Replace stack pointer with depth in PyFrameObject. Makes code easier to read and saves a word of memory.
* bpo-40521: Cleanup code of free lists (GH-21082)Victor Stinner2020-06-231-6/+12
| | | Add get_xxx_state() function to factorize duplicated code.
* Restrict co_code to be under INT_MAX in codeobject (GH-20628)Ammar Askar2020-06-111-3/+3
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* bpo-40887: Don't use finalized free lists (GH-20700)Victor Stinner2020-06-081-0/+12
| | | | | | In debug mode, ensure that free lists are no longer used after being finalized. Set numfree to -1 in finalization functions (eg. _PyList_Fini()), and then check that numfree is not equal to -1 before using a free list (e.g list_dealloc()).
* bpo-40521: Make frame free list per-interpreter (GH-20638)Victor Stinner2020-06-051-49/+37
| | | | | | | | | | Each interpreter now has its own frame free list: * Move frame free list into PyInterpreterState. * Add _Py_frame_state structure. * Add tstate parameter to _PyFrame_ClearFreeList() and _PyFrame_Fini(). * Remove "#if PyFrame_MAXFREELIST > 0". * Remove "#ifdef EXPERIMENTAL_ISOLATED_SUBINTERPRETERS".
* Fix MSVC warning in frameobject.c (GH-20590)Ammar Askar2020-06-041-1/+3
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* bpo-40521: Disable free lists in subinterpreters (GH-19937)Victor Stinner2020-05-051-76/+121
| | | | | | | | | When Python is built with experimental isolated interpreters, disable tuple, dict and free free lists. Temporary workaround until these caches are made per-interpreter. Add frame_alloc() and frame_get_builtins() subfunctions to simplify _PyFrame_New_NoTrack().
* bpo-40228: More robust frame.setlineno. (GH-19437)Mark Shannon2020-04-291-312/+251
| | | More robust frame.setlineno. Makes no assumptions about source->bytecode translation.
* bpo-40421: Add PyFrame_GetBack() function (GH-19765)Victor Stinner2020-04-291-0/+10
| | | | | | New PyFrame_GetBack() function: get the frame next outer frame. Replace frame->f_back with PyFrame_GetBack(frame) in most code but frameobject.c, ceval.c and genobject.c.
* bpo-40428: Remove PyTuple_ClearFreeList() function (GH-19769)Victor Stinner2020-04-291-6/+3
| | | | | | | | | | | | | | | | | | | Remove the following function from the C API: * PyAsyncGen_ClearFreeLists() * PyContext_ClearFreeList() * PyDict_ClearFreeList() * PyFloat_ClearFreeList() * PyFrame_ClearFreeList() * PyList_ClearFreeList() * PySet_ClearFreeList() * PyTuple_ClearFreeList() Make these functions private, move them to the internal C API and change their return type to void. Call explicitly PyGC_Collect() to free all free lists. Note: PySet_ClearFreeList() did nothing.
* bpo-40429: PyFrame_GetCode() now returns a strong reference (GH-19773)Victor Stinner2020-04-291-0/+1
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* bpo-40429: PyFrame_GetCode() result cannot be NULL (GH-19772)Victor Stinner2020-04-291-21/+31
| | | Add frame_nslots() to factorize duplicate code.
* bpo-40421: Add PyFrame_GetCode() function (GH-19757)Victor Stinner2020-04-281-0/+7
| | | | | | | | | PyFrame_GetCode(frame): return a borrowed reference to the frame code. Replace frame->f_code with PyFrame_GetCode(frame) in most code, except in frameobject.c, genobject.c and ceval.c. Also add PyFrame_GetLineNumber() to the limited C API.
* bpo-40421: Add pyframe.h header file (GH-19755)Victor Stinner2020-04-281-2/+5
| | | | | | | | | | Add a new separated pyframe.h header file of the PyFrame public C API: it is included by Python.h. Add PyFrame_GetLineNumber() to the limited C API. Replace "struct _frame" with "PyFrameObject" in header files. PyFrameObject is now defined as struct _frame by pyframe.h which is included early enough in Python.h.
* bpo-40268: Remove unused structmember.h includes (GH-19530)Victor Stinner2020-04-151-1/+1
| | | | | | If only offsetof() is needed: include stddef.h instead. When structmember.h is used, add a comment explaining that PyMemberDef is used.
* bpo-40268: Remove a few pycore_pystate.h includes (GH-19510)Victor Stinner2020-04-141-1/+1
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* bpo-39882: Add _Py_FatalErrorFormat() function (GH-19157)Victor Stinner2020-03-251-4/+6
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* closes bpo-39630: Update pointers to string literals to be const char *. ↵Andy Lester2020-02-131-1/+1
| | | | (GH-18510)
* bpo-33387: Fix compiler warning in frame_block_unwind() (GH-18099)Victor Stinner2020-01-211-1/+1
| | | | | | Replace int with intptr_t to fix the warning: objects\frameobject.c(341): warning C4244: 'initializing': conversion from '__int64' to 'int', possible loss of data
* Produce cleaner bytecode for 'with' and 'async with' by generating separate ↵Mark Shannon2019-11-211-172/+378
| | | | | | code for normal and exceptional paths. (#6641) Remove BEGIN_FINALLY, END_FINALLY, CALL_FINALLY and POP_FINALLY bytecodes. Implement finally blocks by code duplication. Reimplement frame.lineno setter using line numbers rather than bytecode offsets.
* Make PyXXX_Fini() functions private (GH-15531)Victor Stinner2019-08-271-1/+1
| | | | | For example, rename PyTuple_Fini() to _PyTuple_Fini(). These functions are only declared in the internal C API.
* bpo-37830: Fix compilation of break and continue in finally. (GH-15320)Serhiy Storchaka2019-08-241-7/+16
| | | | | | Fix compilation of "break" and "continue" in the "finally" block when the corresponding "try" block contains "return" with a non-constant value.
* bpo-36974: tp_print -> tp_vectorcall_offset and tp_reserved -> tp_as_async ↵Jeroen Demeyer2019-05-301-2/+2
| | | | | | | | | (GH-13464) Automatically replace tp_print -> tp_vectorcall_offset tp_compare -> tp_as_async tp_reserved -> tp_as_async
* bpo-35459: Use PyDict_GetItemWithError() instead of PyDict_GetItem(). (GH-11112)Serhiy Storchaka2019-02-251-1/+4
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* bpo-35504: Fix segfaults and SystemErrors when deleting certain attrs. ↵Zackery Spytz2018-12-171-0/+4
| | | | (GH-11175)
* bpo-33029: Fix signatures of getter and setter functions. (GH-10746)Serhiy Storchaka2018-11-271-3/+4
| | | Fix also return type for few other functions (clear, releasebuffer).
* bpo-35081: Add Include/internal/pycore_object.h (GH-10640)Victor Stinner2018-11-211-0/+1
| | | | Move _PyObject_GC_TRACK() and _PyObject_GC_UNTRACK() from Include/objimpl.h to Include/internal/pycore_object.h.
* bpo-35081: Rename internal headers (GH-10275)Victor Stinner2018-11-121-1/+1
| | | | | | | | | | | | | | Rename Include/internal/ headers: * pycore_hash.h -> pycore_pyhash.h * pycore_lifecycle.h -> pycore_pylifecycle.h * pycore_mem.h -> pycore_pymem.h * pycore_state.h -> pycore_pystate.h Add missing headers to Makefile.pre.in and PCbuild: * pycore_condvar.h. * pycore_hamt.h * pycore_pyhash.h
* bpo-35081: Add pycore_ prefix to internal header files (GH-10263)Victor Stinner2018-11-011-1/+1
| | | | | | | | | | | | | | | | | | | | * Rename Include/internal/ header files: * pyatomic.h -> pycore_atomic.h * ceval.h -> pycore_ceval.h * condvar.h -> pycore_condvar.h * context.h -> pycore_context.h * pygetopt.h -> pycore_getopt.h * gil.h -> pycore_gil.h * hamt.h -> pycore_hamt.h * hash.h -> pycore_hash.h * mem.h -> pycore_mem.h * pystate.h -> pycore_state.h * warnings.h -> pycore_warnings.h * PCbuild project, Makefile.pre.in, Modules/Setup: add the Include/internal/ directory to the search paths of header files. * Update includes. For example, replace #include "internal/mem.h" with #include "pycore_mem.h".
* bpo-33012: Fix invalid function cast warnings with gcc 8 for METH_NOARGS. ↵Siddhesh Poyarekar2018-04-291-2/+2
| | | | | | | | | (GH-6030) METH_NOARGS functions need only a single argument but they are cast into a PyCFunction, which takes two arguments. This triggers an invalid function cast warning in gcc8 due to the argument mismatch. Fix this by adding a dummy unused argument.
* bpo-33041: Fix downcast warning on Windows (#6595)Victor Stinner2018-04-271-1/+1
| | | | Cast pointer difference from ssize_t to int: a frame is very unlikely larger than 2 GB.
* bpo-30953: Improve error messages and add tests for jumping (GH-6196)Serhiy Storchaka2018-03-231-2/+6
| | | | into/out of an except block.
* bpo-33041: Rework compiling an "async for" loop. (#6142)Serhiy Storchaka2018-03-231-12/+9
| | | | | | | | * Added new opcode END_ASYNC_FOR. * Setting global StopAsyncIteration no longer breaks "async for" loops. * Jumping into an "async for" loop is now disabled. * Jumping out of an "async for" loop no longer corrupts the stack. * Simplify the compiler.
* bpo-17288: Prevent jumps from 'return' and 'exception' trace events. (GH-6107)xdegaye2018-03-131-4/+35
| | | (cherry picked from commit e32bbaf376a09c149fa7c7f2919d7c9ce4e2a055)
* bpo-33026: Fix jumping out of "with" block by setting f_lineno. (#6026)Serhiy Storchaka2018-03-111-9/+15
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* closes bpo-32980 Remove _PyFrame_Init (GH-5965)Thomas Nyberg2018-03-031-8/+0
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* bpo-17611. Move unwinding of stack for "pseudo exceptions" from interpreter ↵Serhiy Storchaka2018-02-221-126/+77
| | | | | | | | | to compiler. (GH-5006) Co-authored-by: Mark Shannon <mark@hotpy.org> Co-authored-by: Antoine Pitrou <antoine@python.org>
* bpo-32690: Preserve order of locals() (#5379)Raymond Hettinger2018-01-281-2/+2
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* bpo-32468: Better frame repr() (#5067)Antoine Pitrou2017-12-311-1/+10
| | | | bpo-32468: Better frame repr()
* Move exc state to generator. Fixes bpo-25612 (#1773)Mark Shannon2017-10-221-12/+1
| | | Move exception state information from frame objects to coroutine (generator/thread) object where it belongs.
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