mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
/*
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* Copyright (C) 2014 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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#include <wtf/HashMethod.h>
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#include <wtf/StdUnorderedMap.h>
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#include <wtf/Vector.h>
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namespace JSC {
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class FunctionHasExecutedCache {
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public:
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struct FunctionRange {
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FunctionRange() {}
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bool operator==(const FunctionRange& other) const
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{
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return m_start == other.m_start && m_end == other.m_end;
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}
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unsigned hash() const
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{
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return m_start * m_end;
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}
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unsigned m_start;
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unsigned m_end;
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};
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bool hasExecutedAtOffset(intptr_t id, unsigned offset);
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void insertUnexecutedRange(intptr_t id, unsigned start, unsigned end);
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void removeUnexecutedRange(intptr_t id, unsigned start, unsigned end);
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Vector<std::tuple<bool, unsigned, unsigned>> getFunctionRanges(intptr_t id);
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private:
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using RangeMap = StdUnorderedMap<FunctionRange, bool, HashMethod<FunctionRange>>;
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using SourceIDToRangeMap = StdUnorderedMap<intptr_t, RangeMap>;
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SourceIDToRangeMap m_rangeMap;
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};
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} // namespace JSC
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