ladybird/Userland/Libraries/LibWeb/WebAssembly/Table.h
Andreas Kling bfd354492e LibWeb: Put most LibWeb GC objects in type-specific heap blocks
With this change, we now have ~1200 CellAllocators across both LibJS and
LibWeb in a normal WebContent instance.

This gives us a minimum heap size of 4.7 MiB in the scenario where we
only have one cell allocated per type. Of course, in practice there will
be many more of each type, so the effective overhead is quite a bit
smaller than that in practice.

I left a few types unconverted to this mechanism because I got tired of
doing this. :^)
2023-11-19 22:00:48 +01:00

51 lines
1.3 KiB
C++

/*
* Copyright (c) 2021, Ali Mohammad Pur <mpfard@serenityos.org>
* Copyright (c) 2023, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Optional.h>
#include <LibJS/Forward.h>
#include <LibJS/Heap/GCPtr.h>
#include <LibJS/Runtime/Value.h>
#include <LibWasm/AbstractMachine/AbstractMachine.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Bindings/TablePrototype.h>
namespace Web::WebAssembly {
struct TableDescriptor {
Bindings::TableKind element;
u32 initial { 0 };
Optional<u32> maximum;
};
class Table : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(Table, Bindings::PlatformObject);
JS_DECLARE_ALLOCATOR(Table);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Table>> construct_impl(JS::Realm&, TableDescriptor& descriptor, JS::Value value);
WebIDL::ExceptionOr<u32> grow(u32 delta, JS::Value value);
WebIDL::ExceptionOr<JS::Value> get(u32 index) const;
WebIDL::ExceptionOr<void> set(u32 index, JS::Value value);
WebIDL::ExceptionOr<u32> length() const;
Wasm::TableAddress address() const { return m_address; }
private:
Table(JS::Realm&, Wasm::TableAddress);
virtual void initialize(JS::Realm&) override;
Wasm::TableAddress m_address;
};
}