Mercurial > hg
view mercurial/pythoncapi_compat.h @ 46652:75832107ec07
hgtagsfnodes: refactor code to compute fnode into separate fn
I plan to use this code at one more place while fixing a bug caused by an
invalid fnode present in cache.
Differential Revision: https://phab.mercurial-scm.org/D10013
author | Pulkit Goyal <7895pulkit@gmail.com> |
---|---|
date | Tue, 16 Feb 2021 18:43:42 +0530 |
parents | 38b9a63d3a13 |
children |
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// Header file providing new functions of the Python C API to old Python // versions. // // File distributed under the MIT license. // // Homepage: // https://github.com/pythoncapi/pythoncapi_compat // // Latest version: // https://raw.githubusercontent.com/pythoncapi/pythoncapi_compat/master/pythoncapi_compat.h #ifndef PYTHONCAPI_COMPAT #define PYTHONCAPI_COMPAT #ifdef __cplusplus extern "C" { #endif #include <Python.h> #include "frameobject.h" // PyFrameObject, PyFrame_GetBack() /* VC 2008 doesn't know about the inline keyword. */ #if defined(_MSC_VER) && _MSC_VER < 1900 #define inline __forceinline #endif // Cast argument to PyObject* type. #ifndef _PyObject_CAST # define _PyObject_CAST(op) ((PyObject*)(op)) #endif // bpo-42262 added Py_NewRef() to Python 3.10.0a3 #if PY_VERSION_HEX < 0x030a00A3 && !defined(Py_NewRef) static inline PyObject* _Py_NewRef(PyObject *obj) { Py_INCREF(obj); return obj; } #define Py_NewRef(obj) _Py_NewRef(_PyObject_CAST(obj)) #endif // bpo-42262 added Py_XNewRef() to Python 3.10.0a3 #if PY_VERSION_HEX < 0x030a00A3 && !defined(Py_XNewRef) static inline PyObject* _Py_XNewRef(PyObject *obj) { Py_XINCREF(obj); return obj; } #define Py_XNewRef(obj) _Py_XNewRef(_PyObject_CAST(obj)) #endif // bpo-39573 added Py_SET_REFCNT() to Python 3.9.0a4 #if PY_VERSION_HEX < 0x030900A4 && !defined(Py_SET_REFCNT) static inline void _Py_SET_REFCNT(PyObject *ob, Py_ssize_t refcnt) { ob->ob_refcnt = refcnt; } #define Py_SET_REFCNT(ob, refcnt) _Py_SET_REFCNT((PyObject*)(ob), refcnt) #endif // bpo-39573 added Py_SET_TYPE() to Python 3.9.0a4 #if PY_VERSION_HEX < 0x030900A4 && !defined(Py_SET_TYPE) static inline void _Py_SET_TYPE(PyObject *ob, PyTypeObject *type) { ob->ob_type = type; } #define Py_SET_TYPE(ob, type) _Py_SET_TYPE((PyObject*)(ob), type) #endif // bpo-39573 added Py_SET_SIZE() to Python 3.9.0a4 #if PY_VERSION_HEX < 0x030900A4 && !defined(Py_SET_SIZE) static inline void _Py_SET_SIZE(PyVarObject *ob, Py_ssize_t size) { ob->ob_size = size; } #define Py_SET_SIZE(ob, size) _Py_SET_SIZE((PyVarObject*)(ob), size) #endif // bpo-40421 added PyFrame_GetCode() to Python 3.9.0b1 #if PY_VERSION_HEX < 0x030900B1 static inline PyCodeObject* PyFrame_GetCode(PyFrameObject *frame) { PyCodeObject *code; assert(frame != NULL); code = frame->f_code; assert(code != NULL); Py_INCREF(code); return code; } #endif static inline PyCodeObject* _PyFrame_GetCodeBorrow(PyFrameObject *frame) { PyCodeObject *code = PyFrame_GetCode(frame); Py_DECREF(code); return code; // borrowed reference } // bpo-40421 added PyFrame_GetCode() to Python 3.9.0b1 #if PY_VERSION_HEX < 0x030900B1 static inline PyFrameObject* PyFrame_GetBack(PyFrameObject *frame) { PyFrameObject *back; assert(frame != NULL); back = frame->f_back; Py_XINCREF(back); return back; } #endif static inline PyFrameObject* _PyFrame_GetBackBorrow(PyFrameObject *frame) { PyFrameObject *back = PyFrame_GetBack(frame); Py_XDECREF(back); return back; // borrowed reference } // bpo-39947 added PyThreadState_GetInterpreter() to Python 3.9.0a5 #if PY_VERSION_HEX < 0x030900A5 static inline PyInterpreterState * PyThreadState_GetInterpreter(PyThreadState *tstate) { assert(tstate != NULL); return tstate->interp; } #endif // bpo-40429 added PyThreadState_GetFrame() to Python 3.9.0b1 #if PY_VERSION_HEX < 0x030900B1 static inline PyFrameObject* PyThreadState_GetFrame(PyThreadState *tstate) { PyFrameObject *frame; assert(tstate != NULL); frame = tstate->frame; Py_XINCREF(frame); return frame; } #endif static inline PyFrameObject* _PyThreadState_GetFrameBorrow(PyThreadState *tstate) { PyFrameObject *frame = PyThreadState_GetFrame(tstate); Py_XDECREF(frame); return frame; // borrowed reference } // bpo-39947 added PyInterpreterState_Get() to Python 3.9.0a5 #if PY_VERSION_HEX < 0x030900A5 static inline PyInterpreterState * PyInterpreterState_Get(void) { PyThreadState *tstate; PyInterpreterState *interp; tstate = PyThreadState_GET(); if (tstate == NULL) { Py_FatalError("GIL released (tstate is NULL)"); } interp = tstate->interp; if (interp == NULL) { Py_FatalError("no current interpreter"); } return interp; } #endif // bpo-39947 added PyInterpreterState_Get() to Python 3.9.0a6 #if 0x030700A1 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x030900A6 static inline uint64_t PyThreadState_GetID(PyThreadState *tstate) { assert(tstate != NULL); return tstate->id; } #endif // bpo-37194 added PyObject_CallNoArgs() to Python 3.9.0a1 #if PY_VERSION_HEX < 0x030900A1 static inline PyObject* PyObject_CallNoArgs(PyObject *func) { return PyObject_CallFunctionObjArgs(func, NULL); } #endif // bpo-39245 made PyObject_CallOneArg() public (previously called // _PyObject_CallOneArg) in Python 3.9.0a4 #if PY_VERSION_HEX < 0x030900A4 static inline PyObject* PyObject_CallOneArg(PyObject *func, PyObject *arg) { return PyObject_CallFunctionObjArgs(func, arg, NULL); } #endif // bpo-40024 added PyModule_AddType() to Python 3.9.0a5 #if PY_VERSION_HEX < 0x030900A5 static inline int PyModule_AddType(PyObject *module, PyTypeObject *type) { const char *name, *dot; if (PyType_Ready(type) < 0) { return -1; } // inline _PyType_Name() name = type->tp_name; assert(name != NULL); dot = strrchr(name, '.'); if (dot != NULL) { name = dot + 1; } Py_INCREF(type); if (PyModule_AddObject(module, name, (PyObject *)type) < 0) { Py_DECREF(type); return -1; } return 0; } #endif // bpo-40241 added PyObject_GC_IsTracked() to Python 3.9.0a6. // bpo-4688 added _PyObject_GC_IS_TRACKED() to Python 2.7.0a2. #if PY_VERSION_HEX < 0x030900A6 static inline int PyObject_GC_IsTracked(PyObject* obj) { return (PyObject_IS_GC(obj) && _PyObject_GC_IS_TRACKED(obj)); } #endif // bpo-40241 added PyObject_GC_IsFinalized() to Python 3.9.0a6. // bpo-18112 added _PyGCHead_FINALIZED() to Python 3.4.0 final. #if PY_VERSION_HEX < 0x030900A6 && PY_VERSION_HEX >= 0x030400F0 static inline int PyObject_GC_IsFinalized(PyObject *obj) { return (PyObject_IS_GC(obj) && _PyGCHead_FINALIZED((PyGC_Head *)(obj)-1)); } #endif // bpo-39573 added Py_IS_TYPE() to Python 3.9.0a4 #if PY_VERSION_HEX < 0x030900A4 && !defined(Py_IS_TYPE) static inline int _Py_IS_TYPE(const PyObject *ob, const PyTypeObject *type) { return ob->ob_type == type; } #define Py_IS_TYPE(ob, type) _Py_IS_TYPE((const PyObject*)(ob), type) #endif #ifdef __cplusplus } #endif #endif // PYTHONCAPI_COMPAT