10 _PyFrame_Traverse(_PyInterpreterFrame *frame, visitproc visit, void *arg)  in _PyFrame_Traverse()  argument
12     Py_VISIT(frame->frame_obj);  in _PyFrame_Traverse()
13     Py_VISIT(frame->f_locals);  in _PyFrame_Traverse()
14     Py_VISIT(frame->f_func);  in _PyFrame_Traverse()
15     Py_VISIT(frame->f_code);  in _PyFrame_Traverse()
17     PyObject **locals = _PyFrame_GetLocalsArray(frame);  in _PyFrame_Traverse()
20     for (; i <frame->stacktop; i++) {  in _PyFrame_Traverse()
27 _PyFrame_MakeAndSetFrameObject(_PyInterpreterFrame *frame)  in _PyFrame_MakeAndSetFrameObject()  argument
29     assert(frame->frame_obj == NULL);  in _PyFrame_MakeAndSetFrameObject()
33     PyFrameObject *f = _PyFrame_New_NoTrack(frame->f_code);  in _PyFrame_MakeAndSetFrameObject()
41     if (frame->frame_obj) {  in _PyFrame_MakeAndSetFrameObject()
42         // GH-97002: How did we get into this horrible situation? Most likely,  in _PyFrame_MakeAndSetFrameObject()
43         // allocating f triggered a GC collection, which ran some code that  in _PyFrame_MakeAndSetFrameObject()
44         // *also* created the same frame... while we were in the middle of  in _PyFrame_MakeAndSetFrameObject()
48         // Regardless, just throw f away and use that frame instead, since it's  in _PyFrame_MakeAndSetFrameObject()
49         // already been exposed to user code. It's actually a bit tricky to do  in _PyFrame_MakeAndSetFrameObject()
51         // Just pretend that we have an owned, cleared frame so frame_dealloc  in _PyFrame_MakeAndSetFrameObject()
53         f->f_frame = (_PyInterpreterFrame *)f->_f_frame_data;  in _PyFrame_MakeAndSetFrameObject()
54         f->f_frame->owner = FRAME_CLEARED;  in _PyFrame_MakeAndSetFrameObject()
55         f->f_frame->frame_obj = f;  in _PyFrame_MakeAndSetFrameObject()
57         return frame->frame_obj;  in _PyFrame_MakeAndSetFrameObject()
59     assert(frame->owner != FRAME_OWNED_BY_FRAME_OBJECT);  in _PyFrame_MakeAndSetFrameObject()
60     assert(frame->owner != FRAME_CLEARED);  in _PyFrame_MakeAndSetFrameObject()
61     f->f_frame = frame;  in _PyFrame_MakeAndSetFrameObject()
62     frame->frame_obj = f;  in _PyFrame_MakeAndSetFrameObject()
69     assert(src->stacktop >= src->f_code->co_nlocalsplus);  in _PyFrame_Copy()
70     Py_ssize_t size = ((char*)&src->localsplus[src->stacktop]) - (char *)src;  in _PyFrame_Copy()
72     // Don't leave a dangling pointer to the old frame when creating generators  in _PyFrame_Copy()
74     dest->previous = NULL;  in _PyFrame_Copy()
79 take_ownership(PyFrameObject *f, _PyInterpreterFrame *frame)  in take_ownership()  argument
81     assert(frame->owner != FRAME_OWNED_BY_FRAME_OBJECT);  in take_ownership()
82     assert(frame->owner != FRAME_CLEARED);  in take_ownership()
83     Py_ssize_t size = ((char*)&frame->localsplus[frame->stacktop]) - (char *)frame;  in take_ownership()
84     memcpy((_PyInterpreterFrame *)f->_f_frame_data, frame, size);  in take_ownership()
85     frame = (_PyInterpreterFrame *)f->_f_frame_data;  in take_ownership()
86     f->f_frame = frame;  in take_ownership()
87     frame->owner = FRAME_OWNED_BY_FRAME_OBJECT;  in take_ownership()
88     if (_PyFrame_IsIncomplete(frame)) {  in take_ownership()
89         // This may be a newly-created generator or coroutine frame. Since it's  in take_ownership()
91         PyCodeObject *code = frame->f_code;  in take_ownership()  local
92         frame->prev_instr = _PyCode_CODE(code) + code->_co_firsttraceable;  in take_ownership()
94     assert(!_PyFrame_IsIncomplete(frame));  in take_ownership()
95     assert(f->f_back == NULL);  in take_ownership()
96     _PyInterpreterFrame *prev = frame->previous;  in take_ownership()
98         prev = prev->previous;  in take_ownership()
110             f->f_back = (PyFrameObject *)Py_NewRef(back);  in take_ownership()
112         frame->previous = NULL;  in take_ownership()
120 _PyFrame_Clear(_PyInterpreterFrame *frame)  in _PyFrame_Clear()  argument
124     assert(frame->owner != FRAME_OWNED_BY_GENERATOR ||  in _PyFrame_Clear()
125         _PyFrame_GetGenerator(frame)->gi_frame_state == FRAME_CLEARED);  in _PyFrame_Clear()
126     // GH-99729: Clearing this frame can expose the stack (via finalizers). It's  in _PyFrame_Clear()
127     // crucial that this frame has been unlinked, and is no longer visible:  in _PyFrame_Clear()
128     assert(_PyThreadState_GET()->cframe->current_frame != frame);  in _PyFrame_Clear()
129     if (frame->frame_obj) {  in _PyFrame_Clear()
130         PyFrameObject *f = frame->frame_obj;  in _PyFrame_Clear()
131         frame->frame_obj = NULL;  in _PyFrame_Clear()
133             take_ownership(f, frame);  in _PyFrame_Clear()
139     assert(frame->stacktop >= 0);  in _PyFrame_Clear()
140     for (int i = 0; i < frame->stacktop; i++) {  in _PyFrame_Clear()
141         Py_XDECREF(frame->localsplus[i]);  in _PyFrame_Clear()
143     Py_XDECREF(frame->frame_obj);  in _PyFrame_Clear()
144     Py_XDECREF(frame->f_locals);  in _PyFrame_Clear()
145     Py_DECREF(frame->f_func);  in _PyFrame_Clear()
146     Py_DECREF(frame->f_code);  in _PyFrame_Clear()
153     PyCodeObject *code = (PyCodeObject *)func->func_code;  in _PyFrame_Push()  local
154     size_t size = code->co_nlocalsplus + code->co_stacksize + FRAME_SPECIALS_SIZE;  in _PyFrame_Push()
161     _PyFrame_InitializeSpecials(new_frame, func, NULL, code->co_nlocalsplus);  in _PyFrame_Push()
166 _PyInterpreterFrame_GetLine(_PyInterpreterFrame *frame)  in _PyInterpreterFrame_GetLine()  argument
168     int addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);  in _PyInterpreterFrame_GetLine()
169     return PyCode_Addr2Line(frame->f_code, addr);  in _PyInterpreterFrame_GetLine()