darling-JavaScriptCore/runtime/JSModuleRecord.h

80 lines
3.1 KiB
C++

/*
* Copyright (C) 2015-2016 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 "AbstractModuleRecord.h"
#include "SourceCode.h"
#include "VariableEnvironment.h"
namespace JSC {
class ModuleProgramExecutable;
// Based on the Source Text Module Record
// http://www.ecma-international.org/ecma-262/6.0/#sec-source-text-module-records
class JSModuleRecord final : public AbstractModuleRecord {
friend class LLIntOffsetsExtractor;
public:
using Base = AbstractModuleRecord;
DECLARE_EXPORT_INFO;
static constexpr bool needsDestruction = true;
static void destroy(JSCell*);
template<typename CellType, SubspaceAccess mode>
static IsoSubspace* subspaceFor(VM& vm)
{
return vm.jsModuleRecordSpace<mode>();
}
static Structure* createStructure(VM&, JSGlobalObject*, JSValue);
static JSModuleRecord* create(JSGlobalObject*, VM&, Structure*, const Identifier&, const SourceCode&, const VariableEnvironment&, const VariableEnvironment&);
void link(JSGlobalObject*, JSValue scriptFetcher);
JS_EXPORT_PRIVATE JSValue evaluate(JSGlobalObject*);
const SourceCode& sourceCode() const { return m_sourceCode; }
const VariableEnvironment& declaredVariables() const { return m_declaredVariables; }
const VariableEnvironment& lexicalVariables() const { return m_lexicalVariables; }
private:
JSModuleRecord(VM&, Structure*, const Identifier&, const SourceCode&, const VariableEnvironment&, const VariableEnvironment&);
void finishCreation(JSGlobalObject*, VM&);
static void visitChildren(JSCell*, SlotVisitor&);
void instantiateDeclarations(JSGlobalObject*, ModuleProgramExecutable*, JSValue scriptFetcher);
SourceCode m_sourceCode;
VariableEnvironment m_declaredVariables;
VariableEnvironment m_lexicalVariables;
WriteBarrier<ModuleProgramExecutable> m_moduleProgramExecutable;
};
} // namespace JSC