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pycore_abstract.h
pycore_asdl.h
pycore_ast.h
pycore_ast_state.h
pycore_atexit.h
pycore_backoff.h
pycore_bitutils.h
pycore_blocks_output_buffer.h
pycore_brc.h
pycore_bytes_methods.h
pycore_bytesobject.h
pycore_call.h
pycore_capsule.h
pycore_cell.h
pycore_ceval.h
pycore_ceval_state.h
pycore_code.h
pycore_codecs.h
pycore_compile.h
pycore_complexobject.h
pycore_condvar.h
pycore_context.h
pycore_critical_section.h
pycore_crossinterp.h
pycore_descrobject.h
pycore_dict.h
pycore_dict_state.h
pycore_dtoa.h
pycore_emscripten_signal.h
pycore_emscripten_trampoline.h
pycore_exceptions.h
pycore_faulthandler.h
pycore_fileutils.h
pycore_fileutils_windows.h
pycore_floatobject.h
pycore_flowgraph.h
pycore_format.h
pycore_frame.h
pycore_freelist.h
pycore_function.h
pycore_gc.h
pycore_genobject.h
pycore_getopt.h
pycore_gil.h
pycore_global_objects.h
pycore_global_objects_fini_generated.h
pycore_global_strings.h
pycore_hamt.h
pycore_hashtable.h
pycore_identifier.h
pycore_import.h
pycore_importdl.h
pycore_initconfig.h
pycore_instruction_sequence.h
pycore_instruments.h
pycore_interp.h
pycore_intrinsics.h
pycore_jit.h
pycore_list.h
pycore_llist.h
pycore_lock.h
pycore_long.h
pycore_memoryobject.h
pycore_mimalloc.h
pycore_modsupport.h
pycore_moduleobject.h
pycore_namespace.h
pycore_object.h
pycore_object_alloc.h
pycore_object_stack.h
pycore_object_state.h
pycore_obmalloc.h
pycore_obmalloc_init.h
pycore_opcode_metadata.h
pycore_opcode_utils.h
pycore_optimizer.h
pycore_parking_lot.h
pycore_parser.h
pycore_pathconfig.h
pycore_pyarena.h
pycore_pyatomic_ft_wrappers.h
pycore_pybuffer.h
pycore_pyerrors.h
pycore_pyhash.h
pycore_pylifecycle.h
pycore_pymath.h
pycore_pymem.h
pycore_pymem_init.h
pycore_pystate.h
pycore_pystats.h
pycore_pythonrun.h
pycore_pythread.h
pycore_qsbr.h
pycore_range.h
pycore_runtime.h
pycore_runtime_init.h
pycore_runtime_init_generated.h
pycore_semaphore.h
pycore_setobject.h
pycore_signal.h
pycore_sliceobject.h
pycore_stackref.h
pycore_strhex.h
pycore_structseq.h
pycore_symtable.h
pycore_sysmodule.h
pycore_time.h
pycore_token.h
pycore_traceback.h
pycore_tracemalloc.h
pycore_tstate.h
pycore_tuple.h
pycore_typeobject.h
pycore_typevarobject.h
pycore_ucnhash.h
pycore_unicodeobject.h
pycore_unicodeobject_generated.h
pycore_unionobject.h
pycore_uop_ids.h
pycore_uop_metadata.h
pycore_warnings.h
pycore_weakref.h

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File Editor: pycore_stackref.h

#ifndef Py_INTERNAL_STACKREF_H #define Py_INTERNAL_STACKREF_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif #include typedef union { uintptr_t bits; } _PyStackRef; static const _PyStackRef Py_STACKREF_NULL = { .bits = 0 }; #define Py_TAG_DEFERRED (1) // Gets a PyObject * from a _PyStackRef #if defined(Py_GIL_DISABLED) static inline PyObject * PyStackRef_Get(_PyStackRef tagged) { PyObject *cleared = ((PyObject *)((tagged).bits & (~Py_TAG_DEFERRED))); return cleared; } #else # define PyStackRef_Get(tagged) ((PyObject *)((tagged).bits)) #endif // Converts a PyObject * to a PyStackRef, stealing the reference. #if defined(Py_GIL_DISABLED) static inline _PyStackRef _PyStackRef_StealRef(PyObject *obj) { // Make sure we don't take an already tagged value. assert(((uintptr_t)obj & Py_TAG_DEFERRED) == 0); return ((_PyStackRef){.bits = ((uintptr_t)(obj))}); } # define PyStackRef_StealRef(obj) _PyStackRef_StealRef(_PyObject_CAST(obj)) #else # define PyStackRef_StealRef(obj) ((_PyStackRef){.bits = ((uintptr_t)(obj))}) #endif // Converts a PyObject * to a PyStackRef, with a new reference #if defined(Py_GIL_DISABLED) static inline _PyStackRef _PyStackRef_NewRefDeferred(PyObject *obj) { // Make sure we don't take an already tagged value. assert(((uintptr_t)obj & Py_TAG_DEFERRED) == 0); assert(obj != NULL); if (_PyObject_HasDeferredRefcount(obj)) { return (_PyStackRef){ .bits = (uintptr_t)obj | Py_TAG_DEFERRED }; } else { return (_PyStackRef){ .bits = (uintptr_t)Py_NewRef(obj) }; } } # define PyStackRef_NewRefDeferred(obj) _PyStackRef_NewRefDeferred(_PyObject_CAST(obj)) #else # define PyStackRef_NewRefDeferred(obj) PyStackRef_NewRef(((_PyStackRef){.bits = ((uintptr_t)(obj))})) #endif #if defined(Py_GIL_DISABLED) static inline _PyStackRef _PyStackRef_XNewRefDeferred(PyObject *obj) { // Make sure we don't take an already tagged value. assert(((uintptr_t)obj & Py_TAG_DEFERRED) == 0); if (obj == NULL) { return Py_STACKREF_NULL; } return _PyStackRef_NewRefDeferred(obj); } # define PyStackRef_XNewRefDeferred(obj) _PyStackRef_XNewRefDeferred(_PyObject_CAST(obj)) #else # define PyStackRef_XNewRefDeferred(obj) PyStackRef_XNewRef(((_PyStackRef){.bits = ((uintptr_t)(obj))})) #endif // Converts a PyStackRef back to a PyObject *. #if defined(Py_GIL_DISABLED) static inline PyObject * PyStackRef_StealObject(_PyStackRef tagged) { if ((tagged.bits & Py_TAG_DEFERRED) == Py_TAG_DEFERRED) { assert(_PyObject_HasDeferredRefcount(PyStackRef_Get(tagged))); return Py_NewRef(PyStackRef_Get(tagged)); } return PyStackRef_Get(tagged); } #else # define PyStackRef_StealObject(tagged) PyStackRef_Get(tagged) #endif static inline void _Py_untag_stack_borrowed(PyObject **dst, const _PyStackRef *src, size_t length) { for (size_t i = 0; i < length; i++) { dst[i] = PyStackRef_Get(src[i]); } } static inline void _Py_untag_stack_steal(PyObject **dst, const _PyStackRef *src, size_t length) { for (size_t i = 0; i < length; i++) { dst[i] = PyStackRef_StealObject(src[i]); } } #define PyStackRef_XSETREF(dst, src) \ do { \ _PyStackRef *_tmp_dst_ptr = &(dst); \ _PyStackRef _tmp_old_dst = (*_tmp_dst_ptr); \ *_tmp_dst_ptr = (src); \ PyStackRef_XDECREF(_tmp_old_dst); \ } while (0) #define PyStackRef_SETREF(dst, src) \ do { \ _PyStackRef *_tmp_dst_ptr = &(dst); \ _PyStackRef _tmp_old_dst = (*_tmp_dst_ptr); \ *_tmp_dst_ptr = (src); \ PyStackRef_DECREF(_tmp_old_dst); \ } while (0) #define PyStackRef_CLEAR(op) \ do { \ _PyStackRef *_tmp_op_ptr = &(op); \ _PyStackRef _tmp_old_op = (*_tmp_op_ptr); \ if (_tmp_old_op.bits != Py_STACKREF_NULL.bits) { \ *_tmp_op_ptr = Py_STACKREF_NULL; \ PyStackRef_DECREF(_tmp_old_op); \ } \ } while (0) #if defined(Py_GIL_DISABLED) static inline void PyStackRef_DECREF(_PyStackRef tagged) { if ((tagged.bits & Py_TAG_DEFERRED) == Py_TAG_DEFERRED) { return; } Py_DECREF(PyStackRef_Get(tagged)); } #else # define PyStackRef_DECREF(op) Py_DECREF(PyStackRef_Get(op)) #endif #if defined(Py_GIL_DISABLED) static inline void PyStackRef_INCREF(_PyStackRef tagged) { if ((tagged.bits & Py_TAG_DEFERRED) == Py_TAG_DEFERRED) { assert(_PyObject_HasDeferredRefcount(PyStackRef_Get(tagged))); return; } Py_INCREF(PyStackRef_Get(tagged)); } #else # define PyStackRef_INCREF(op) Py_INCREF(PyStackRef_Get(op)) #endif static inline void PyStackRef_XDECREF(_PyStackRef op) { if (op.bits != Py_STACKREF_NULL.bits) { PyStackRef_DECREF(op); } } static inline _PyStackRef PyStackRef_NewRef(_PyStackRef obj) { PyStackRef_INCREF(obj); return obj; } static inline _PyStackRef PyStackRef_XNewRef(_PyStackRef obj) { if (obj.bits == Py_STACKREF_NULL.bits) { return obj; } return PyStackRef_NewRef(obj); } #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_STACKREF_H */