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LibJS: Add Object constructor allowing null prototype

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This commit is contained in:
Linus Groh 2022-02-09 19:34:33 +00:00
parent f663c7d6da
commit 368af9ad6e
2 changed files with 10 additions and 2 deletions
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9
Userland/Libraries/LibJS/Runtime/Object.cpp
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@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org> * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org> * Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
* *
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
@ -44,6 +44,13 @@ Object::Object(ConstructWithoutPrototypeTag, GlobalObject& global_object)
m_shape = heap().allocate_without_global_object<Shape>(global_object); m_shape = heap().allocate_without_global_object<Shape>(global_object);
} }
Object::Object(GlobalObject& global_object, Object* prototype)
{
m_shape = global_object.empty_object_shape();
if (prototype != nullptr)
set_prototype(prototype);
}
Object::Object(Object& prototype) Object::Object(Object& prototype)
{ {
m_shape = prototype.global_object().empty_object_shape(); m_shape = prototype.global_object().empty_object_shape();

3
Userland/Libraries/LibJS/Runtime/Object.h
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@ -1,6 +1,6 @@
/* /*
* Copyright (c) 2020, Andreas Kling <kling@serenityos.org> * Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2020-2021, Linus Groh <linusg@serenityos.org> * Copyright (c) 2020-2022, Linus Groh <linusg@serenityos.org>
* *
* SPDX-License-Identifier: BSD-2-Clause * SPDX-License-Identifier: BSD-2-Clause
*/ */
@ -45,6 +45,7 @@ class Object : public Cell {
public: public:
static Object* create(GlobalObject&, Object* prototype); static Object* create(GlobalObject&, Object* prototype);
Object(GlobalObject&, Object* prototype);
explicit Object(Object& prototype); explicit Object(Object& prototype);
explicit Object(Shape&); explicit Object(Shape&);
virtual void initialize(GlobalObject&) override; virtual void initialize(GlobalObject&) override;