mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
83 lines
3.0 KiB
C++
83 lines
3.0 KiB
C++
/*
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* Copyright (C) 2017 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#if ENABLE(WEBASSEMBLY)
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#include "WasmCodeBlock.h"
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#include "WasmEmbedder.h"
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#include "WasmMemory.h"
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#include <wtf/Expected.h>
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#include <wtf/Lock.h>
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#include <wtf/SharedTask.h>
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#include <wtf/ThreadSafeRefCounted.h>
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namespace JSC { namespace Wasm {
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class LLIntPlan;
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struct Context;
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struct ModuleInformation;
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using SignatureIndex = uint64_t;
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class Module : public ThreadSafeRefCounted<Module> {
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public:
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using ValidationResult = Expected<RefPtr<Module>, String>;
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typedef void CallbackType(ValidationResult&&);
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using AsyncValidationCallback = RefPtr<SharedTask<CallbackType>>;
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static ValidationResult validateSync(Context*, Vector<uint8_t>&& source);
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static void validateAsync(Context*, Vector<uint8_t>&& source, Module::AsyncValidationCallback&&);
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static Ref<Module> create(LLIntPlan& plan)
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{
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return adoptRef(*new Module(plan));
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}
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Wasm::SignatureIndex signatureIndexFromFunctionIndexSpace(unsigned functionIndexSpace) const;
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const Wasm::ModuleInformation& moduleInformation() const { return m_moduleInformation.get(); }
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Ref<CodeBlock> compileSync(Context*, MemoryMode);
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void compileAsync(Context*, MemoryMode, CodeBlock::AsyncCompilationCallback&&);
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JS_EXPORT_PRIVATE ~Module();
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CodeBlock* codeBlockFor(MemoryMode mode) { return m_codeBlocks[static_cast<uint8_t>(mode)].get(); }
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private:
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Ref<CodeBlock> getOrCreateCodeBlock(Context*, MemoryMode);
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Module(LLIntPlan&);
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Ref<ModuleInformation> m_moduleInformation;
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RefPtr<CodeBlock> m_codeBlocks[Wasm::NumberOfMemoryModes];
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RefPtr<LLIntCallees> m_llintCallees;
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MacroAssemblerCodeRef<B3CompilationPtrTag> m_llintEntryThunks;
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Lock m_lock;
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};
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} } // namespace JSC::Wasm
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#endif // ENABLE(WEBASSEMBLY)
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