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Iterator is an abstract class (bnoordhuis)

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Fabrice Bellard 2025-09-20 17:05:13 +02:00
parent 3dcca0d1d6
commit cf0e179263
1 changed files with 8 additions and 2 deletions
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10
quickjs.c
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@ -42260,9 +42260,15 @@ static JSValue js_iterator_constructor_getset(JSContext *ctx,
static JSValue js_iterator_constructor(JSContext *ctx, JSValueConst new_target, static JSValue js_iterator_constructor(JSContext *ctx, JSValueConst new_target,
int argc, JSValueConst *argv) int argc, JSValueConst *argv)
{ {
if (JS_IsUndefined(new_target)) JSObject *p;
if (JS_TAG_OBJECT != JS_VALUE_GET_TAG(new_target))
return JS_ThrowTypeError(ctx, "constructor requires 'new'"); return JS_ThrowTypeError(ctx, "constructor requires 'new'");
/* XXX: cannot be invoked directly */ p = JS_VALUE_GET_OBJ(new_target);
if (p->class_id == JS_CLASS_C_FUNCTION &&
p->u.cfunc.c_function.generic == js_iterator_constructor) {
return JS_ThrowTypeError(ctx, "abstract class not constructable");
}
return js_create_from_ctor(ctx, new_target, JS_CLASS_ITERATOR); return js_create_from_ctor(ctx, new_target, JS_CLASS_ITERATOR);
} }