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LibWeb: Port WebAssembly.Memory to IDL

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Timothy Flynn 2023-03-15 19:29:57 -04:00 • committed by Andreas Kling
parent de32c44762
commit ca96f8e364
15 changed files with 148 additions and 216 deletions
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44
Userland/Libraries/LibWeb/WebAssembly/Memory.h Normal file
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/*
* 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/ArrayBuffer.h>
#include <LibWasm/AbstractMachine/AbstractMachine.h>
#include <LibWeb/Bindings/ExceptionOrUtils.h>
#include <LibWeb/Bindings/PlatformObject.h>
namespace Web::WebAssembly {
struct MemoryDescriptor {
u32 initial { 0 };
Optional<u32> maximum;
};
class Memory : public Bindings::PlatformObject {
WEB_PLATFORM_OBJECT(Memory, Bindings::PlatformObject);
public:
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Memory>> construct_impl(JS::Realm&, MemoryDescriptor& descriptor);
WebIDL::ExceptionOr<u32> grow(u32 delta);
WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::ArrayBuffer>> buffer() const;
Wasm::MemoryAddress address() const { return m_address; }
private:
Memory(JS::Realm&, Wasm::MemoryAddress);
virtual JS::ThrowCompletionOr<void> initialize(JS::Realm&) override;
Wasm::MemoryAddress m_address;
};
}