darling-JavaScriptCore/bytecode/CallEdge.h
2017-08-12 09:48:01 -07:00

68 lines
2.0 KiB
C++

/*
* Copyright (C) 2014, 2015 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 "CallVariant.h"
namespace JSC {
class CallEdge {
public:
CallEdge();
CallEdge(CallVariant, uint32_t);
bool operator!() const { return !m_callee; }
CallVariant callee() const { return m_callee; }
uint32_t count() const { return m_count; }
CallEdge despecifiedClosure() const
{
return CallEdge(m_callee.despecifiedClosure(), m_count);
}
void dump(PrintStream&) const;
private:
CallVariant m_callee;
uint32_t m_count;
};
inline CallEdge::CallEdge(CallVariant callee, uint32_t count)
: m_callee(callee)
, m_count(count)
{
}
inline CallEdge::CallEdge()
: CallEdge(CallVariant(), 0)
{
}
typedef Vector<CallEdge, 1> CallEdgeList;
} // namespace JSC