mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-23 04:09:40 +00:00
91 lines
3.8 KiB
C++
91 lines
3.8 KiB
C++
/*
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* Copyright (C) 2009-2019 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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#include "ExecutableToCodeBlockEdge.h"
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#include "GlobalExecutable.h"
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#include "UnlinkedEvalCodeBlock.h"
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namespace JSC {
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class EvalExecutable : public GlobalExecutable {
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friend class LLIntOffsetsExtractor;
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public:
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using Base = GlobalExecutable;
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static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
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static void destroy(JSCell*);
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EvalCodeBlock* codeBlock()
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{
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return bitwise_cast<EvalCodeBlock*>(ExecutableToCodeBlockEdge::unwrap(m_evalCodeBlock.get()));
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}
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Ref<JITCode> generatedJITCode()
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{
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return generatedJITCodeForCall();
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}
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
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{
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return Structure::create(vm, globalObject, proto, TypeInfo(EvalExecutableType, StructureFlags), info());
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}
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template<typename CellType, SubspaceAccess mode>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return vm.evalExecutableSpace<mode>();
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}
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DECLARE_INFO;
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ExecutableInfo executableInfo() const { return ExecutableInfo(usesEval(), false, false, ConstructorKind::None, JSParserScriptMode::Classic, SuperBinding::NotNeeded, SourceParseMode::ProgramMode, derivedContextType(), needsClassFieldInitializer(), isArrowFunctionContext(), false, evalContextType()); }
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unsigned numVariables() { return m_unlinkedEvalCodeBlock->numVariables(); }
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unsigned numFunctionHoistingCandidates() { return m_unlinkedEvalCodeBlock->numFunctionHoistingCandidates(); }
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unsigned numTopLevelFunctionDecls() { return m_unlinkedEvalCodeBlock->numberOfFunctionDecls(); }
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bool allowDirectEvalCache() const { return m_unlinkedEvalCodeBlock->allowDirectEvalCache(); }
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NeedsClassFieldInitializer needsClassFieldInitializer() const { return static_cast<NeedsClassFieldInitializer>(m_needsClassFieldInitializer); }
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TemplateObjectMap& ensureTemplateObjectMap(VM&);
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protected:
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friend class ExecutableBase;
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friend class ScriptExecutable;
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using Base::finishCreation;
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EvalExecutable(JSGlobalObject*, const SourceCode&, bool inStrictContext, DerivedContextType, bool isArrowFunctionContext, bool isInsideOrdinaryFunction, EvalContextType, NeedsClassFieldInitializer);
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static void visitChildren(JSCell*, SlotVisitor&);
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unsigned m_needsClassFieldInitializer : 1;
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WriteBarrier<ExecutableToCodeBlockEdge> m_evalCodeBlock;
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WriteBarrier<UnlinkedEvalCodeBlock> m_unlinkedEvalCodeBlock;
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std::unique_ptr<TemplateObjectMap> m_templateObjectMap;
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};
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} // namespace JSC
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