blob: caa92d6fee64e88bdfc4f00b6a372e2b819ccd91 [file] [log] [blame]
/*
* Copyright (C) 2014 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 "SourceID.h"
#include <wtf/HashMethod.h>
#include <wtf/StdUnorderedMap.h>
#include <wtf/Vector.h>
namespace JSC {
class FunctionHasExecutedCache {
public:
struct FunctionRange {
FunctionRange() {}
bool operator==(const FunctionRange& other) const
{
return m_start == other.m_start && m_end == other.m_end;
}
unsigned hash() const
{
return m_start * m_end;
}
unsigned m_start;
unsigned m_end;
};
bool hasExecutedAtOffset(SourceID, unsigned offset);
void insertUnexecutedRange(SourceID, unsigned start, unsigned end);
void removeUnexecutedRange(SourceID, unsigned start, unsigned end);
Vector<std::tuple<bool, unsigned, unsigned>> getFunctionRanges(SourceID);
private:
using RangeMap = StdUnorderedMap<FunctionRange, bool, HashMethod<FunctionRange>>;
using SourceIDToRangeMap = StdUnorderedMap<intptr_t, RangeMap>;
SourceIDToRangeMap m_rangeMap;
};
} // namespace JSC