blob: ca8cddd79c94334f034dfe2dfeecc6b6c74c90f0 [file] [log] [blame]
/*
* Copyright (C) 2012-2021 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 "UnlinkedGlobalCodeBlock.h"
namespace JSC {
class CachedProgramCodeBlock;
class UnlinkedProgramCodeBlock final : public UnlinkedGlobalCodeBlock {
public:
typedef UnlinkedGlobalCodeBlock Base;
static constexpr unsigned StructureFlags = Base::StructureFlags | StructureIsImmortal;
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.unlinkedProgramCodeBlockSpace<mode>();
}
static UnlinkedProgramCodeBlock* create(VM& vm, const ExecutableInfo& info, OptionSet<CodeGenerationMode> codeGenerationMode)
{
UnlinkedProgramCodeBlock* instance = new (NotNull, allocateCell<UnlinkedProgramCodeBlock>(vm)) UnlinkedProgramCodeBlock(vm, vm.unlinkedProgramCodeBlockStructure.get(), info, codeGenerationMode);
instance->finishCreation(vm);
return instance;
}
static void destroy(JSCell*);
void setVariableDeclarations(const VariableEnvironment& environment) { m_varDeclarations = environment; }
const VariableEnvironment& variableDeclarations() const { return m_varDeclarations; }
void setLexicalDeclarations(const VariableEnvironment& environment) { m_lexicalDeclarations = environment; }
const VariableEnvironment& lexicalDeclarations() const { return m_lexicalDeclarations; }
private:
friend CachedProgramCodeBlock;
UnlinkedProgramCodeBlock(VM& vm, Structure* structure, const ExecutableInfo& info, OptionSet<CodeGenerationMode> codeGenerationMode)
: Base(vm, structure, GlobalCode, info, codeGenerationMode)
{
}
UnlinkedProgramCodeBlock(Decoder&, const CachedProgramCodeBlock&);
VariableEnvironment m_varDeclarations;
VariableEnvironment m_lexicalDeclarations;
public:
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue proto)
{
return Structure::create(vm, globalObject, proto, TypeInfo(UnlinkedProgramCodeBlockType, StructureFlags), info());
}
DECLARE_INFO;
};
}