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Add getpda shell function for debugging.

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brendan%mozilla.org 2005-01-25 03:22:16 +00:00
parent 0f476ade97
commit a51ea5bac1
1 changed files with 52 additions and 0 deletions
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52
js/src/js.c
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@ -1518,6 +1518,56 @@ Seal(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
return JS_SealObject(cx, target, deep);
}
static JSBool
GetPDA(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
JSObject *vobj, *aobj, *pdobj;
JSBool ok;
JSPropertyDescArray pda;
JSPropertyDesc *pd;
uint32 i;
jsval v;
if (!JS_ValueToObject(cx, argv[0], &vobj))
return JS_FALSE;
if (!vobj)
return JS_TRUE;
aobj = JS_NewArrayObject(cx, 0, NULL);
if (!aobj)
return JS_FALSE;
*rval = OBJECT_TO_JSVAL(aobj);
ok = JS_GetPropertyDescArray(cx, vobj, &pda);
if (!ok)
return JS_FALSE;
pd = pda.array;
for (i = 0; i < pda.length; i++) {
pdobj = JS_NewObject(cx, NULL, NULL, NULL);
if (!pdobj) {
ok = JS_FALSE;
break;
}
ok = JS_SetProperty(cx, pdobj, "id", &pd->id) &&
JS_SetProperty(cx, pdobj, "value", &pd->value) &&
(v = INT_TO_JSVAL(pd->flags),
JS_SetProperty(cx, pdobj, "flags", &v)) &&
(v = INT_TO_JSVAL(pd->slot),
JS_SetProperty(cx, pdobj, "slot", &v)) &&
JS_SetProperty(cx, pdobj, "alias", &pd->alias);
if (!ok)
break;
v = OBJECT_TO_JSVAL(pdobj);
ok = JS_SetElement(cx, aobj, i, &v);
if (!ok)
break;
}
JS_PutPropertyDescArray(cx, &pda);
return ok;
}
static JSFunctionSpec shell_functions[] = {
{"version", Version, 0},
{"options", Options, 0},
@ -1548,6 +1598,7 @@ static JSFunctionSpec shell_functions[] = {
{"intern", Intern, 1},
{"clone", Clone, 1},
{"seal", Seal, 1, 0, 1},
{"getpda", GetPDA, 1},
{0}
};
@ -1583,6 +1634,7 @@ static char *shell_help_messages[] = {
"intern(str) Internalize str in the atom table",
"clone(fun[, scope]) Clone function object",
"seal(obj[, deep]) Seal object, or object graph if deep",
"getpda(obj) Get the property descriptors for obj",
0
};