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frame_traverse(): Use the standard Py_VISIT macro.

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Py_VISIT:  cast the `op` argument to PyObject* when calling
`visit()`.  Else the caller has to pay too much attention to
this silly detail (e.g., frame_traverse needs to traverse
`struct _frame *` and `PyCodeObject *` pointers too).
This commit is contained in:
Tim Peters 2006-04-15 03:22:46 +00:00
parent a13131cf7f
commit de2acf6512
2 changed files with 20 additions and 22 deletions
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28
Objects/frameobject.c
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@ -422,30 +422,28 @@ static int
frame_traverse(PyFrameObject *f, visitproc visit, void *arg)
{
PyObject **fastlocals, **p;
int i, err, slots;
#define VISIT(o) if (o) {if ((err = visit((PyObject *)(o), arg))) return err;}
int i, slots;
VISIT(f->f_back);
VISIT(f->f_code);
VISIT(f->f_builtins);
VISIT(f->f_globals);
VISIT(f->f_locals);
VISIT(f->f_trace);
VISIT(f->f_exc_type);
VISIT(f->f_exc_value);
VISIT(f->f_exc_traceback);
Py_VISIT(f->f_back);
Py_VISIT(f->f_code);
Py_VISIT(f->f_builtins);
Py_VISIT(f->f_globals);
Py_VISIT(f->f_locals);
Py_VISIT(f->f_trace);
Py_VISIT(f->f_exc_type);
Py_VISIT(f->f_exc_value);
Py_VISIT(f->f_exc_traceback);
/* locals */
slots = f->f_nlocals + f->f_ncells + f->f_nfreevars;
fastlocals = f->f_localsplus;
for (i = slots; --i >= 0; ++fastlocals) {
VISIT(*fastlocals);
}
for (i = slots; --i >= 0; ++fastlocals)
Py_VISIT(*fastlocals);
/* stack */
if (f->f_stacktop != NULL) {
for (p = f->f_valuestack; p < f->f_stacktop; p++)
VISIT(*p);
Py_VISIT(*p);
}
return 0;
}