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JsrtExternalArrayBuffer.cpp
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75 lines (64 loc) · 3.39 KB
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//-------------------------------------------------------------------------------------------------------
// Copyright (C) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.txt file in the project root for full license information.
//-------------------------------------------------------------------------------------------------------
#include "JsrtPch.h"
#include "JsrtExternalArrayBuffer.h"
namespace Js
{
JsrtExternalArrayBuffer::JsrtExternalArrayBuffer(byte *buffer, uint32 length, JsFinalizeCallback finalizeCallback, void *callbackState, DynamicType *type)
: ExternalArrayBuffer(buffer, length, type), finalizeCallback(finalizeCallback), callbackState(callbackState)
{
}
JsrtExternalArrayBuffer::JsrtExternalArrayBuffer(RefCountedBuffer *buffer, uint32 length, JsFinalizeCallback finalizeCallback, void *callbackState, DynamicType *type)
: ExternalArrayBuffer(buffer, length, type), finalizeCallback(finalizeCallback), callbackState(callbackState)
{
}
JsrtExternalArrayBuffer* JsrtExternalArrayBuffer::New(byte *buffer, uint32 length, JsFinalizeCallback finalizeCallback, void *callbackState, DynamicType *type)
{
Recycler* recycler = type->GetScriptContext()->GetRecycler();
return RecyclerNewFinalized(recycler, JsrtExternalArrayBuffer, buffer, length, finalizeCallback, callbackState, type);
}
JsrtExternalArrayBuffer* JsrtExternalArrayBuffer::New(RefCountedBuffer *buffer, uint32 length, JsFinalizeCallback finalizeCallback, void *callbackState, DynamicType *type)
{
Recycler* recycler = type->GetScriptContext()->GetRecycler();
return RecyclerNewFinalized(recycler, JsrtExternalArrayBuffer, buffer, length, finalizeCallback, callbackState, type);
}
void JsrtExternalArrayBuffer::Finalize(bool isShutdown)
{
ReleaseBufferContent();
if (finalizeCallback != nullptr && !isDetached)
{
finalizeCallback(callbackState);
}
}
ArrayBufferDetachedStateBase* JsrtExternalArrayBuffer::CreateDetachedState(RefCountedBuffer* buffer, DECLSPEC_GUARD_OVERFLOW uint32 bufferLength)
{
return HeapNew(JsrtExternalArrayBufferDetachedState, buffer, bufferLength, finalizeCallback, callbackState);
};
JsrtExternalArrayBuffer::JsrtExternalArrayBufferDetachedState::JsrtExternalArrayBufferDetachedState(
RefCountedBuffer* buffer, uint32 bufferLength, JsFinalizeCallback finalizeCallback, void *callbackState)
: ExternalArrayBufferDetachedState(buffer, bufferLength), finalizeCallback(finalizeCallback), callbackState(callbackState)
{}
void JsrtExternalArrayBuffer::JsrtExternalArrayBufferDetachedState::ClearSelfOnly()
{
HeapDelete(this);
}
void JsrtExternalArrayBuffer::JsrtExternalArrayBufferDetachedState::DiscardState()
{
DiscardStateBase([&](byte* data)
{
if (finalizeCallback != nullptr)
{
finalizeCallback(callbackState);
}
finalizeCallback = nullptr;
});
}
ArrayBuffer* JsrtExternalArrayBuffer::JsrtExternalArrayBufferDetachedState::Create(JavascriptLibrary* library)
{
ArrayBuffer* arr = JsrtExternalArrayBuffer::New(buffer, bufferLength, finalizeCallback, callbackState, library->GetArrayBufferType());
JS_ETW(EventWriteJSCRIPT_RECYCLER_ALLOCATE_OBJECT(arr));
return arr;
}
}