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WasmStreamingCompiler.h
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85 lines (67 loc) · 2.94 KB
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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "WasmStreamingParser.h"
#if ENABLE(WEBASSEMBLY)
#include "DeferredWorkTimer.h"
#include "JSCJSValue.h"
namespace JSC {
class CallLinkInfo;
class JSGlobalObject;
class JSObject;
class JSPromise;
class VM;
namespace Wasm {
class LLIntPlan;
class StreamingPlan;
class StreamingCompiler final : public StreamingParserClient, public ThreadSafeRefCounted<StreamingCompiler> {
public:
JS_EXPORT_PRIVATE static Ref<StreamingCompiler> create(VM&, CompilerMode, JSGlobalObject*, JSPromise*, JSObject*);
JS_EXPORT_PRIVATE ~StreamingCompiler();
void addBytes(const uint8_t* bytes, size_t length) { m_parser.addBytes(bytes, length); }
JS_EXPORT_PRIVATE void finalize(JSGlobalObject*);
JS_EXPORT_PRIVATE void fail(JSGlobalObject*, JSValue);
JS_EXPORT_PRIVATE void cancel();
void didCompileFunction(StreamingPlan&);
private:
JS_EXPORT_PRIVATE StreamingCompiler(VM&, CompilerMode, JSGlobalObject*, JSPromise*, JSObject*);
bool didReceiveFunctionData(unsigned, const FunctionData&) final;
void didFinishParsing() final;
void didComplete() WTF_REQUIRES_LOCK(m_lock);
void completeIfNecessary() WTF_REQUIRES_LOCK(m_lock);
VM& m_vm;
CompilerMode m_compilerMode;
bool m_eagerFailed WTF_GUARDED_BY_LOCK(m_lock) { false };
bool m_finalized WTF_GUARDED_BY_LOCK(m_lock) { false };
bool m_threadedCompilationStarted { false };
Lock m_lock;
unsigned m_remainingCompilationRequests { 0 };
DeferredWorkTimer::Ticket m_ticket;
Ref<Wasm::ModuleInformation> m_info;
StreamingParser m_parser;
RefPtr<LLIntPlan> m_plan;
};
} } // namespace JSC::Wasm
#endif // ENABLE(WEBASSEMBLY)