mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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67 lines
2.5 KiB
C++
67 lines
2.5 KiB
C++
/*
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* Copyright (C) 2015 Apple Inc. All rights reserved.
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* Copyright (C) 2016 Yusuke Suzuki <utatane.tea@gmail.com>
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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 "Identifier.h"
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#include <wtf/RefPtr.h>
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namespace JSC {
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class ModuleScopeData : public RefCounted<ModuleScopeData> {
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WTF_MAKE_NONCOPYABLE(ModuleScopeData);
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WTF_MAKE_FAST_ALLOCATED;
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public:
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typedef HashMap<RefPtr<UniquedStringImpl>, Vector<RefPtr<UniquedStringImpl>>, IdentifierRepHash, HashTraits<RefPtr<UniquedStringImpl>>> IdentifierAliasMap;
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static Ref<ModuleScopeData> create() { return adoptRef(*new ModuleScopeData); }
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const IdentifierAliasMap& exportedBindings() const { return m_exportedBindings; }
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bool exportName(const Identifier& exportedName)
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{
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return m_exportedNames.add(exportedName.impl()).isNewEntry;
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}
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void exportBinding(const Identifier& localName, const Identifier& exportedName)
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{
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m_exportedBindings.add(localName.impl(), Vector<RefPtr<UniquedStringImpl>>()).iterator->value.append(exportedName.impl());
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}
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void exportBinding(const Identifier& localName)
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{
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exportBinding(localName, localName);
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}
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private:
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ModuleScopeData() = default;
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IdentifierSet m_exportedNames { };
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IdentifierAliasMap m_exportedBindings { };
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};
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} // namespace
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