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Added __name__ attribute to class instance method objects.

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Removed im_doc attribute; __name__ and __doc__ are now handled by
special casing in instancemethodgetattr().  This saves a few bytes and
INCREF/DECREF calls per i.m. object allocation/deallocation.
This commit is contained in:
Guido van Rossum 1996-05-14 21:54:20 +00:00
parent 3355be3f35
commit 6dabc98400
1 changed files with 15 additions and 7 deletions
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22
Objects/classobject.c
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@ -1131,7 +1131,6 @@ typedef struct {
object *im_func; /* The function implementing the method */
object *im_self; /* The instance it is bound to, or NULL */
object *im_class; /* The class that defined the method */
object *im_doc; /* The documentation string */
} instancemethodobject;
object *
@ -1154,8 +1153,6 @@ newinstancemethodobject(func, self, class)
im->im_self = self;
INCREF(class);
im->im_class = class;
XINCREF(((funcobject *)func)->func_doc);
im->im_doc = ((funcobject *)func)->func_doc;
return (object *)im;
}
@ -1200,8 +1197,9 @@ static struct memberlist instancemethod_memberlist[] = {
{"im_func", T_OBJECT, OFF(im_func)},
{"im_self", T_OBJECT, OFF(im_self)},
{"im_class", T_OBJECT, OFF(im_class)},
{"im_doc", T_OBJECT, OFF(im_doc)},
{"__doc__", T_OBJECT, OFF(im_doc)},
/* Dummies that are not handled by getattr() except for __members__ */
{"__doc__", T_INT, 0},
{"__name__", T_INT, 0},
{NULL} /* Sentinel */
};
@ -1210,7 +1208,18 @@ instancemethod_getattr(im, name)
register instancemethodobject *im;
char *name;
{
if (name[0] != '_' && getrestricted()) {
if (name[0] == '_') {
funcobject *func = (funcobject *)(im->im_func);
if (strcmp(name, "__name__") == 0) {
INCREF(func->func_name);
return func->func_name;
}
if (strcmp(name, "__doc__") == 0) {
INCREF(func->func_doc);
return func->func_doc;
}
}
if (getrestricted()) {
err_setstr(RuntimeError,
"instance-method attributes not accessible in restricted mode");
return NULL;
@ -1225,7 +1234,6 @@ instancemethod_dealloc(im)
DECREF(im->im_func);
XDECREF(im->im_self);
DECREF(im->im_class);
XDECREF(im->im_doc);
free((ANY *)im);
}