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Moved tracebackobject to traceback.h, Closes SF Bug #497067

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This commit is contained in:
Nicholas Bastin 2004-03-21 18:37:23 +00:00
parent 8183fa46a9
commit a7604bf1b4
3 changed files with 27 additions and 24 deletions
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10
Include/traceback.h
View file

@ -5,9 +5,17 @@
extern "C" {
#endif
struct _frame;
/* Traceback interface */
struct _frame;
typedef struct _traceback {
PyObject_HEAD
struct _traceback *tb_next;
struct _frame *tb_frame;
int tb_lasti;
int tb_lineno;
} PyTracebackObject;
PyAPI_FUNC(int) PyTraceBack_Here(struct _frame *);
PyAPI_FUNC(int) PyTraceBack_Print(PyObject *, PyObject *);

2
Misc/NEWS
View file

@ -12,6 +12,8 @@ What's New in Python 2.4 alpha 1?
Core and builtins
-----------------
- Moved tracebackobject into traceback.h and renamed to PyTracebackObject
- Optimized the byte coding for multiple assignments like "a,b=b,a" and
"a,b,c=1,2,3". Improves their speed by 25% to 30%.

39
Python/traceback.c
View file

@ -7,16 +7,9 @@
#include "frameobject.h"
#include "structmember.h"
#include "osdefs.h"
#include "traceback.h"
typedef struct _tracebackobject {
PyObject_HEAD
struct _tracebackobject *tb_next;
PyFrameObject *tb_frame;
int tb_lasti;
int tb_lineno;
} tracebackobject;
#define OFF(x) offsetof(tracebackobject, x)
#define OFF(x) offsetof(PyTracebackObject, x)
static struct memberlist tb_memberlist[] = {
{"tb_next", T_OBJECT, OFF(tb_next)},
@ -27,13 +20,13 @@ static struct memberlist tb_memberlist[] = {
};
static PyObject *
tb_getattr(tracebackobject *tb, char *name)
tb_getattr(PyTracebackObject *tb, char *name)
{
return PyMember_Get((char *)tb, tb_memberlist, name);
}
static void
tb_dealloc(tracebackobject *tb)
tb_dealloc(PyTracebackObject *tb)
{
PyObject_GC_UnTrack(tb);
Py_TRASHCAN_SAFE_BEGIN(tb)
@ -44,7 +37,7 @@ tb_dealloc(tracebackobject *tb)
}
static int
tb_traverse(tracebackobject *tb, visitproc visit, void *arg)
tb_traverse(PyTracebackObject *tb, visitproc visit, void *arg)
{
int err = 0;
if (tb->tb_next) {
@ -58,7 +51,7 @@ tb_traverse(tracebackobject *tb, visitproc visit, void *arg)
}
static void
tb_clear(tracebackobject *tb)
tb_clear(PyTracebackObject *tb)
{
Py_XDECREF(tb->tb_next);
Py_XDECREF(tb->tb_frame);
@ -70,7 +63,7 @@ PyTypeObject PyTraceBack_Type = {
PyObject_HEAD_INIT(&PyType_Type)
0,
"traceback",
sizeof(tracebackobject),
sizeof(PyTracebackObject),
0,
(destructor)tb_dealloc, /*tp_dealloc*/
0, /*tp_print*/
@ -102,16 +95,16 @@ PyTypeObject PyTraceBack_Type = {
0, /* tp_dict */
};
static tracebackobject *
newtracebackobject(tracebackobject *next, PyFrameObject *frame)
static PyTracebackObject *
newtracebackobject(PyTracebackObject *next, PyFrameObject *frame)
{
tracebackobject *tb;
PyTracebackObject *tb;
if ((next != NULL && !PyTraceBack_Check(next)) ||
frame == NULL || !PyFrame_Check(frame)) {
PyErr_BadInternalCall();
return NULL;
}
tb = PyObject_GC_New(tracebackobject, &PyTraceBack_Type);
tb = PyObject_GC_New(PyTracebackObject, &PyTraceBack_Type);
if (tb != NULL) {
Py_XINCREF(next);
tb->tb_next = next;
@ -129,8 +122,8 @@ int
PyTraceBack_Here(PyFrameObject *frame)
{
PyThreadState *tstate = frame->f_tstate;
tracebackobject *oldtb = (tracebackobject *) tstate->curexc_traceback;
tracebackobject *tb = newtracebackobject(oldtb, frame);
PyTracebackObject *oldtb = (PyTracebackObject *) tstate->curexc_traceback;
PyTracebackObject *tb = newtracebackobject(oldtb, frame);
if (tb == NULL)
return -1;
tstate->curexc_traceback = (PyObject *)tb;
@ -222,11 +215,11 @@ tb_displayline(PyObject *f, char *filename, int lineno, char *name)
}
static int
tb_printinternal(tracebackobject *tb, PyObject *f, int limit)
tb_printinternal(PyTracebackObject *tb, PyObject *f, int limit)
{
int err = 0;
int depth = 0;
tracebackobject *tb1 = tb;
PyTracebackObject *tb1 = tb;
while (tb1 != NULL) {
depth++;
tb1 = tb1->tb_next;
@ -267,6 +260,6 @@ PyTraceBack_Print(PyObject *v, PyObject *f)
}
err = PyFile_WriteString("Traceback (most recent call last):\n", f);
if (!err)
err = tb_printinternal((tracebackobject *)v, f, limit);
err = tb_printinternal((PyTracebackObject *)v, f, limit);
return err;
}