js_free_symbol(void *priv, PRHashEntry *he, uintN flag)
{
JSContext *cx;
JSSymbol *sym, **sp;
JSProperty *prop;
cx = priv;
PR_ASSERT(JS_IS_LOCKED(cx));
sym = (JSSymbol *)he;
prop = sym->entry.value;
if (prop) {
sym->entry.value = NULL;
prop = js_DropProperty(cx, prop);
if (prop) {
for (sp = &prop->symbols; *sp; sp = &(*sp)->next) {
if (*sp == sym) {
*sp = sym->next;
if (!*sp)
break;
}
}
sym->next = NULL;
}
}
if (flag == HT_FREE_ENTRY) {
if (!JSVAL_IS_INT(sym_id(sym)))
JS_LOCK_VOID(cx, js_DropAtom(cx, sym_atom(sym)));
JS_free(cx, he);
}
}
void
js_TryMethod(JSContext *cx, JSObject *obj, JSAtom *atom,
uintN argc, jsval *argv, jsval *rval)
{
JSErrorReporter older;
JSProperty *prop;
jsval fval;
older = JS_SetErrorReporter(cx, NULL);
JS_LOCK_VOID(cx, prop = js_GetProperty(cx, obj, (jsval)atom, &fval));
if (prop &&
JSVAL_IS_OBJECT(fval) &&
fval != JSVAL_NULL) {
(void) js_Call(cx, obj, fval, argc, argv, rval);
}
JS_SetErrorReporter(cx, older);
}
JSObject *
js_ConstructObject(JSContext *cx, JSClass *clasp, JSObject *proto,
JSObject *parent)
{
JSObject *obj;
JSBool ok;
jsval ctor, rval;
obj = js_NewObject(cx, clasp, proto, parent);
if (!obj)
return NULL;
JS_LOCK_VOID(cx, ok = FindConstructor(cx, clasp, &ctor));
if (!ok || !js_Call(cx, obj, ctor, 0, NULL, &rval)) {
cx->newborn[GCX_OBJECT] = NULL;
return NULL;
}
return JSVAL_IS_OBJECT(rval) ? JSVAL_TO_OBJECT(rval) : obj;
}
JSObject *
js_NewObject(JSContext *cx, JSClass *clasp, JSObject *proto, JSObject *parent)
{
JSObject *obj;
JSScope *scope;
/* Allocate an object from the GC heap and zero it. */
obj = js_AllocGCThing(cx, GCX_OBJECT);
if (!obj)
return NULL;
/* Bootstrap the ur-object, and make it the default prototype object. */
if (!proto) {
if (!js_GetClassPrototype(cx, clasp, &proto) ||
(!proto && !js_GetClassPrototype(cx, &js_ObjectClass, &proto))) {
cx->newborn[GCX_OBJECT] = NULL;
return NULL;
}
}
/* Share the given prototype's scope (create one if necessary). */
if (proto && proto->map->clasp == clasp) {
scope = (JSScope *)proto->map;
JS_LOCK_VOID(cx, obj->map = (JSObjectMap *)js_HoldScope(cx, scope));
} else {
scope = js_NewScope(cx, clasp, obj);
if (!scope) {
cx->newborn[GCX_OBJECT] = NULL;
return NULL;
}
scope->map.nrefs = 1;
obj->map = &scope->map;
}
/* Set the prototype and parent properties. */
if (!js_SetSlot(cx, obj, JSSLOT_PROTO, OBJECT_TO_JSVAL(proto)) ||
!js_SetSlot(cx, obj, JSSLOT_PARENT, OBJECT_TO_JSVAL(parent))) {
cx->newborn[GCX_OBJECT] = NULL;
return NULL;
}
return obj;
}
static JSBool
obj_getSlot(JSContext *cx, JSObject *obj, jsval id, jsval *vp)
{
JS_LOCK_VOID(cx, *vp = js_GetSlot(cx, obj, JSVAL_TO_INT(id)));
return JS_TRUE;
}
static JSBool
obj_unwatch(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
JS_LOCK_VOID(cx, JS_ClearWatchPoint(cx, obj, argv[0], NULL, NULL));
return JS_TRUE;
}