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91 lines (72 loc) · 2.63 KB
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/*
* Copyright (C) 2013 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.
*/
#ifndef FTLExitArgument_h
#define FTLExitArgument_h
#if ENABLE(FTL_JIT)
#include "FTLValueFormat.h"
#include <wtf/PrintStream.h>
namespace JSC { namespace FTL {
struct ExitArgumentRepresentation {
ValueFormat format;
unsigned argument;
};
class ExitArgument {
public:
ExitArgument()
{
m_representation.format = InvalidValueFormat;
}
ExitArgument(ValueFormat format, unsigned argument)
{
m_representation.format = format;
m_representation.argument = argument;
}
explicit ExitArgument(ExitArgumentRepresentation representation)
{
m_representation = representation;
}
bool operator!() const { return m_representation.format == InvalidValueFormat; }
ValueFormat format() const
{
ASSERT(*this);
return m_representation.format;
}
unsigned argument() const
{
ASSERT(*this);
return m_representation.argument;
}
ExitArgument withFormat(ValueFormat format)
{
return ExitArgument(format, argument());
}
ExitArgumentRepresentation representation() const { return m_representation; }
void dump(PrintStream&) const;
private:
ExitArgumentRepresentation m_representation;
};
} } // namespace JSC::FTL
#endif // ENABLE(FTL_JIT)
#endif // FTLExitArgument_h