serenity/Userland/Libraries/LibJS/Runtime/ArrayBuffer.cpp
Ali Mohammad Pur 4fd43a8f96 LibJS: Allow ArrayBuffer to not own its backing data buffer as well
This is implemented as a ByteBuffer* in a variant, so its size should
only be increased by an index.
2021-05-26 15:34:13 +04:30

49 lines
1.2 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::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))
{
}
ArrayBuffer::ArrayBuffer(ByteBuffer& buffer, Object& prototype)
: Object(prototype)
, m_buffer(buffer)
{
}
ArrayBuffer::ArrayBuffer(ByteBuffer* buffer, Object& prototype)
: Object(prototype)
, m_buffer(buffer)
{
}
ArrayBuffer::~ArrayBuffer()
{
}
}