mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 08:59:19 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

bpo-40421: Add PyFrame_GetBack() function (GH-19765)

Browse source 
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.
This commit is contained in:
Victor Stinner 2020-04-29 03:28:46 +02:00 • committed by GitHub
parent 66abe98a81
commit 7036477323
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 65 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

19
Python/traceback.c
View file

@ -4,7 +4,7 @@
#include "Python.h"
#include "code.h"
#include "frameobject.h"
#include "frameobject.h" // PyFrame_GetBack()
#include "structmember.h" // PyMemberDef
#include "osdefs.h" // SEP
#ifdef HAVE_FCNTL_H
@ -798,22 +798,31 @@ dump_traceback(int fd, PyThreadState *tstate, int write_header)
PUTS(fd, "Stack (most recent call first):\n");
}
frame = tstate->frame;
frame = PyThreadState_GetFrame(tstate);
if (frame == NULL) {
PUTS(fd, "<no Python frame>\n");
return;
}
depth = 0;
while (frame != NULL) {
while (1) {
if (MAX_FRAME_DEPTH <= depth) {
Py_DECREF(frame);
PUTS(fd, " ...\n");
break;
}
if (!PyFrame_Check(frame))
if (!PyFrame_Check(frame)) {
Py_DECREF(frame);
break;
}
dump_frame(fd, frame);
frame = frame->f_back;
PyFrameObject *back = PyFrame_GetBack(frame);
Py_DECREF(frame);
if (back == NULL) {
break;
}
frame = back;
depth++;
}
}