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LibJS: Move native objects towards two-pass construction

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To make sure that everything is set up correctly in objects before we
start adding properties to them, we split cell allocation into 3 steps:

1. Allocate a cell of appropriate size from the Heap
2. Call the C++ constructor on the cell
3. Call initialize() on the constructed object

The job of initialize() is to define all the initial properties.
Doing it in a second pass guarantees that the Object has a valid Shape
and can find its own GlobalObject.
This commit is contained in:
Andreas Kling 2020-06-20 15:40:48 +02:00
parent e4add19915
commit 64513f3c23
83 changed files with 295 additions and 167 deletions
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3
Libraries/LibWeb/Bindings/Wrappable.h
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@ -28,6 +28,7 @@
#include <AK/WeakPtr.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Interpreter.h>
#include <LibWeb/Forward.h>
namespace Web {
@ -49,7 +50,7 @@ template<class NativeObject>
inline Wrapper* wrap_impl(JS::Heap& heap, NativeObject& native_object)
{
if (!native_object.wrapper())
native_object.set_wrapper(*heap.allocate<typename NativeObject::WrapperType>(native_object));
native_object.set_wrapper(*heap.allocate<typename NativeObject::WrapperType>(heap.interpreter().global_object(), native_object));
return native_object.wrapper();
}