From df095afbcca06d550d2034393f421981b4bf0b47 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sat, 19 Jun 2021 22:34:48 +0100
Subject: [PATCH] LibJS: Implement the OrdinaryCreateFromConstructor() abstract
 operation

---
 .../Libraries/LibJS/Runtime/AbstractOperations.h     | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
index ffcff07c06..0dc1b641c1 100644
--- a/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
+++ b/Userland/Libraries/LibJS/Runtime/AbstractOperations.h
@@ -8,6 +8,7 @@
 
 #include <AK/Forward.h>
 #include <LibJS/Forward.h>
+#include <LibJS/Runtime/GlobalObject.h>
 #include <LibJS/Runtime/Value.h>
 
 namespace JS {
@@ -20,4 +21,15 @@ Function* species_constructor(GlobalObject&, Object const&, Function& default_co
 GlobalObject* get_function_realm(GlobalObject&, Function const&);
 Object* get_prototype_from_constructor(GlobalObject&, Function const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)());
 
+// 10.1.13 OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ), https://tc39.es/ecma262/#sec-ordinarycreatefromconstructor
+template<typename T, typename... Args>
+T* ordinary_create_from_constructor(GlobalObject& global_object, Function const& constructor, Object* (GlobalObject::*intrinsic_default_prototype)(), Args&&... args)
+{
+    auto& vm = global_object.vm();
+    auto* prototype = get_prototype_from_constructor(global_object, constructor, intrinsic_default_prototype);
+    if (vm.exception())
+        return nullptr;
+    return global_object.heap().allocate<T>(global_object, forward<Args>(args)..., *prototype);
+}
+
 }