ladybird/Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp
Idan Horowitz f5a978c1aa LibWeb: Set a detach key for ArrayBuffers returned from WASM
As required by the specification:
`Set buffer.[[ArrayBufferDetachKey]] to "WebAssembly.Memory".`
2021-06-11 13:38:25 +01:00

46 lines
1.1 KiB
C++

/*
* Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/ArrayBuffer.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
ArrayBuffer* ArrayBuffer::create(GlobalObject& global_object, size_t byte_size)
{
return global_object.heap().allocate<ArrayBuffer>(global_object, byte_size, *global_object.array_buffer_prototype());
}
ArrayBuffer* ArrayBuffer::create(GlobalObject& global_object, ByteBuffer* buffer)
{
return global_object.heap().allocate<ArrayBuffer>(global_object, buffer, *global_object.array_buffer_prototype());
}
ArrayBuffer::ArrayBuffer(size_t byte_size, Object& prototype)
: Object(prototype)
, m_buffer(ByteBuffer::create_zeroed(byte_size))
, m_detach_key(js_undefined())
{
}
ArrayBuffer::ArrayBuffer(ByteBuffer* buffer, Object& prototype)
: Object(prototype)
, m_buffer(buffer)
, m_detach_key(js_undefined())
{
}
ArrayBuffer::~ArrayBuffer()
{
}
void ArrayBuffer::visit_edges(Cell::Visitor& visitor)
{
Object::visit_edges(visitor);
visitor.visit(m_detach_key);
}
}