mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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84 lines
3.6 KiB
C++
84 lines
3.6 KiB
C++
/*
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* Copyright (C) 2008-2019 Apple Inc. All rights reserved.
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* Copyright (C) 2008 Cameron Zwarich <cwzwarich@uwaterloo.ca>
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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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*
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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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* 3. Neither the name of Apple Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY 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 OF
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* 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 "GlobalCodeBlock.h"
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#include "UnlinkedProgramCodeBlock.h"
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namespace JSC {
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class ProgramCodeBlock final : public GlobalCodeBlock {
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public:
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typedef GlobalCodeBlock Base;
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DECLARE_INFO;
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template<typename, SubspaceAccess>
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static IsoSubspace* subspaceFor(VM& vm)
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{
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return &vm.codeBlockSpace.space;
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}
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static ProgramCodeBlock* create(VM& vm, CopyParsedBlockTag, ProgramCodeBlock& other)
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{
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ProgramCodeBlock* instance = new (NotNull, allocateCell<ProgramCodeBlock>(vm.heap))
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ProgramCodeBlock(vm, vm.programCodeBlockStructure.get(), CopyParsedBlock, other);
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instance->finishCreation(vm, CopyParsedBlock, other);
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return instance;
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}
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static ProgramCodeBlock* create(VM& vm, ProgramExecutable* ownerExecutable, UnlinkedProgramCodeBlock* unlinkedCodeBlock, JSScope* scope)
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{
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ProgramCodeBlock* instance = new (NotNull, allocateCell<ProgramCodeBlock>(vm.heap))
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ProgramCodeBlock(vm, vm.programCodeBlockStructure.get(), ownerExecutable, unlinkedCodeBlock, scope);
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if (!instance->finishCreation(vm, ownerExecutable, unlinkedCodeBlock, scope))
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return nullptr;
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return instance;
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}
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static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
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{
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return Structure::create(vm, globalObject, prototype, TypeInfo(CodeBlockType, StructureFlags), info());
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}
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private:
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ProgramCodeBlock(VM& vm, Structure* structure, CopyParsedBlockTag, ProgramCodeBlock& other)
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: GlobalCodeBlock(vm, structure, CopyParsedBlock, other)
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{
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}
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ProgramCodeBlock(VM& vm, Structure* structure, ProgramExecutable* ownerExecutable, UnlinkedProgramCodeBlock* unlinkedCodeBlock, JSScope* scope)
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: GlobalCodeBlock(vm, structure, ownerExecutable, unlinkedCodeBlock, scope)
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{
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}
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};
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static_assert(sizeof(ProgramCodeBlock) == sizeof(CodeBlock), "Subclasses of CodeBlock should be the same size to share IsoSubspace");
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} // namespace JSC
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