mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/*
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* Copyright (C) 2013-2020 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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#if ENABLE(DFG_JIT)
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#include "Identifier.h"
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#include <wtf/HashMap.h>
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#include <wtf/text/UniquedStringImpl.h>
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namespace JSC {
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class CodeBlock;
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class VM;
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namespace DFG {
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class CommonData;
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class DesiredIdentifiers {
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public:
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DesiredIdentifiers();
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DesiredIdentifiers(CodeBlock*);
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~DesiredIdentifiers();
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unsigned numberOfIdentifiers();
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unsigned ensure(UniquedStringImpl*);
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UniquedStringImpl* at(unsigned index) const;
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UniquedStringImpl* operator[](unsigned index) const { return at(index); }
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void reallyAdd(VM&, CommonData*);
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private:
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void processCodeBlockIdentifiersIfNeeded();
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CodeBlock* m_codeBlock;
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Vector<UniquedStringImpl*> m_addedIdentifiers;
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HashMap<UniquedStringImpl*, unsigned> m_identifierNumberForName;
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bool m_didProcessIdentifiers;
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};
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} } // namespace JSC::DFG
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#endif // ENABLE(DFG_JIT)
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