7589cc2494
...by replacing it with a ctor that takes the buffer instead, and handling the allocation failure in ArrayBuffer::create(size_t) by throwing a RangeError as specified by the spec.
51 lines
1.3 KiB
C++
51 lines
1.3 KiB
C++
/*
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* Copyright (c) 2020, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <LibJS/Runtime/ArrayBuffer.h>
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#include <LibJS/Runtime/GlobalObject.h>
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namespace JS {
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ArrayBuffer* ArrayBuffer::create(GlobalObject& global_object, size_t byte_size)
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{
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auto buffer = ByteBuffer::create_zeroed(byte_size);
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if (!buffer.has_value()) {
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global_object.vm().throw_exception<RangeError>(global_object, ErrorType::NotEnoughMemoryToAllocate, byte_size);
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return nullptr;
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}
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return global_object.heap().allocate<ArrayBuffer>(global_object, buffer.release_value(), *global_object.array_buffer_prototype());
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}
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ArrayBuffer* ArrayBuffer::create(GlobalObject& global_object, ByteBuffer* buffer)
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{
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return global_object.heap().allocate<ArrayBuffer>(global_object, buffer, *global_object.array_buffer_prototype());
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}
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ArrayBuffer::ArrayBuffer(ByteBuffer buffer, Object& prototype)
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: Object(prototype)
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, m_buffer(move(buffer))
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, m_detach_key(js_undefined())
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{
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}
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ArrayBuffer::ArrayBuffer(ByteBuffer* buffer, Object& prototype)
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: Object(prototype)
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, m_buffer(buffer)
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, m_detach_key(js_undefined())
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{
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}
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ArrayBuffer::~ArrayBuffer()
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{
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}
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void ArrayBuffer::visit_edges(Cell::Visitor& visitor)
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{
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Object::visit_edges(visitor);
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visitor.visit(m_detach_key);
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}
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}
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