Library import 16 (#2433)

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1 files changed, 0 insertions, 168 deletions

diff --git a/contrib/tools/python3/src/Python/frame.c b/contrib/tools/python3/src/Python/frame.c
deleted file mode 100644
index b84fd9b6a93..00000000000
--- a/contrib/tools/python3/src/Python/frame.c
+++ /dev/null
@@ -1,168 +0,0 @@
-
-#define _PY_INTERPRETER
-
-#include "Python.h"
-#include "frameobject.h"
-#include "pycore_code.h"          // stats
-#include "pycore_frame.h"
-#include "pycore_object.h"        // _PyObject_GC_UNTRACK()
-#include "opcode.h"
-
-int
-_PyFrame_Traverse(_PyInterpreterFrame *frame, visitproc visit, void *arg)
-{
-    Py_VISIT(frame->frame_obj);
-    Py_VISIT(frame->f_locals);
-    Py_VISIT(frame->f_funcobj);
-    Py_VISIT(frame->f_code);
-   /* locals */
-    PyObject **locals = _PyFrame_GetLocalsArray(frame);
-    int i = 0;
-    /* locals and stack */
-    for (; i <frame->stacktop; i++) {
-        Py_VISIT(locals[i]);
-    }
-    return 0;
-}
-
-PyFrameObject *
-_PyFrame_MakeAndSetFrameObject(_PyInterpreterFrame *frame)
-{
-    assert(frame->frame_obj == NULL);
-    PyObject *exc = PyErr_GetRaisedException();
-
-    PyFrameObject *f = _PyFrame_New_NoTrack(frame->f_code);
-    if (f == NULL) {
-        Py_XDECREF(exc);
-        return NULL;
-    }
-    PyErr_SetRaisedException(exc);
-    if (frame->frame_obj) {
-        // GH-97002: How did we get into this horrible situation? Most likely,
-        // allocating f triggered a GC collection, which ran some code that
-        // *also* created the same frame... while we were in the middle of
-        // creating it! See test_sneaky_frame_object in test_frame.py for a
-        // concrete example.
-        //
-        // Regardless, just throw f away and use that frame instead, since it's
-        // already been exposed to user code. It's actually a bit tricky to do
-        // this, since we aren't backed by a real _PyInterpreterFrame anymore.
-        // Just pretend that we have an owned, cleared frame so frame_dealloc
-        // doesn't make the situation worse:
-        f->f_frame = (_PyInterpreterFrame *)f->_f_frame_data;
-        f->f_frame->owner = FRAME_CLEARED;
-        f->f_frame->frame_obj = f;
-        Py_DECREF(f);
-        return frame->frame_obj;
-    }
-    assert(frame->owner != FRAME_OWNED_BY_FRAME_OBJECT);
-    assert(frame->owner != FRAME_CLEARED);
-    f->f_frame = frame;
-    frame->frame_obj = f;
-    return f;
-}
-
-void
-_PyFrame_Copy(_PyInterpreterFrame *src, _PyInterpreterFrame *dest)
-{
-    assert(src->stacktop >= src->f_code->co_nlocalsplus);
-    Py_ssize_t size = ((char*)&src->localsplus[src->stacktop]) - (char *)src;
-    memcpy(dest, src, size);
-    // Don't leave a dangling pointer to the old frame when creating generators
-    // and coroutines:
-    dest->previous = NULL;
-}
-
-
-static void
-take_ownership(PyFrameObject *f, _PyInterpreterFrame *frame)
-{
-    assert(frame->owner != FRAME_OWNED_BY_CSTACK);
-    assert(frame->owner != FRAME_OWNED_BY_FRAME_OBJECT);
-    assert(frame->owner != FRAME_CLEARED);
-    Py_ssize_t size = ((char*)&frame->localsplus[frame->stacktop]) - (char *)frame;
-    Py_INCREF(frame->f_code);
-    memcpy((_PyInterpreterFrame *)f->_f_frame_data, frame, size);
-    frame = (_PyInterpreterFrame *)f->_f_frame_data;
-    f->f_frame = frame;
-    frame->owner = FRAME_OWNED_BY_FRAME_OBJECT;
-    if (_PyFrame_IsIncomplete(frame)) {
-        // This may be a newly-created generator or coroutine frame. Since it's
-        // dead anyways, just pretend that the first RESUME ran:
-        PyCodeObject *code = frame->f_code;
-        frame->prev_instr = _PyCode_CODE(code) + code->_co_firsttraceable;
-    }
-    assert(!_PyFrame_IsIncomplete(frame));
-    assert(f->f_back == NULL);
-    _PyInterpreterFrame *prev = _PyFrame_GetFirstComplete(frame->previous);
-    frame->previous = NULL;
-    if (prev) {
-        assert(prev->owner != FRAME_OWNED_BY_CSTACK);
-        /* Link PyFrameObjects.f_back and remove link through _PyInterpreterFrame.previous */
-        PyFrameObject *back = _PyFrame_GetFrameObject(prev);
-        if (back == NULL) {
-            /* Memory error here. */
-            assert(PyErr_ExceptionMatches(PyExc_MemoryError));
-            /* Nothing we can do about it */
-            PyErr_Clear();
-        }
-        else {
-            f->f_back = (PyFrameObject *)Py_NewRef(back);
-        }
-    }
-    if (!_PyObject_GC_IS_TRACKED((PyObject *)f)) {
-        _PyObject_GC_TRACK((PyObject *)f);
-    }
-}
-
-void
-_PyFrame_ClearExceptCode(_PyInterpreterFrame *frame)
-{
-    /* It is the responsibility of the owning generator/coroutine
-     * to have cleared the enclosing generator, if any. */
-    assert(frame->owner != FRAME_OWNED_BY_GENERATOR ||
-        _PyFrame_GetGenerator(frame)->gi_frame_state == FRAME_CLEARED);
-    // GH-99729: Clearing this frame can expose the stack (via finalizers). It's
-    // crucial that this frame has been unlinked, and is no longer visible:
-    assert(_PyThreadState_GET()->cframe->current_frame != frame);
-    if (frame->frame_obj) {
-        PyFrameObject *f = frame->frame_obj;
-        frame->frame_obj = NULL;
-        if (Py_REFCNT(f) > 1) {
-            take_ownership(f, frame);
-            Py_DECREF(f);
-            return;
-        }
-        Py_DECREF(f);
-    }
-    assert(frame->stacktop >= 0);
-    for (int i = 0; i < frame->stacktop; i++) {
-        Py_XDECREF(frame->localsplus[i]);
-    }
-    Py_XDECREF(frame->frame_obj);
-    Py_XDECREF(frame->f_locals);
-    Py_DECREF(frame->f_funcobj);
-}
-
-/* Unstable API functions */
-
-PyObject *
-PyUnstable_InterpreterFrame_GetCode(struct _PyInterpreterFrame *frame)
-{
-    PyObject *code = (PyObject *)frame->f_code;
-    Py_INCREF(code);
-    return code;
-}
-
-int
-PyUnstable_InterpreterFrame_GetLasti(struct _PyInterpreterFrame *frame)
-{
-    return _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
-}
-
-int
-PyUnstable_InterpreterFrame_GetLine(_PyInterpreterFrame *frame)
-{
-    int addr = _PyInterpreterFrame_LASTI(frame) * sizeof(_Py_CODEUNIT);
-    return PyCode_Addr2Line(frame->f_code, addr);
-}