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Add C API function JS_GetClassID()

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If you want to extend a built-in class you need it's class ID and there
is no robust way to get that without this accessor.

* add JS_INVALID_CLASS_ID constant for invalid class ID.

Signed-off-by: Tyler Rockwood <rockwood@redpanda.com>
This commit is contained in:
Tyler Rockwood
2024-02-20 09:29:08 +01:00
committed by Charlie Gordon
parent 12c91df577
commit b91a2aec67
2 changed files with 12 additions and 0 deletions
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9
quickjs.c
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@@ -3391,6 +3391,15 @@ JSClassID JS_NewClassID(JSClassID *pclass_id)
return class_id;
}
JSClassID JS_GetClassID(JSValue v)
{
JSObject *p;
if (JS_VALUE_GET_TAG(v) != JS_TAG_OBJECT)
return JS_INVALID_CLASS_ID;
p = JS_VALUE_GET_OBJ(v);
return p->class_id;
}
BOOL JS_IsRegisteredClass(JSRuntime *rt, JSClassID class_id)
{
return (class_id < rt->class_count &&