mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
/*
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* Copyright (C) 2013 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(FTL_JIT)
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#include "DataFormat.h"
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#include "FTLAbbreviatedTypes.h"
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namespace JSC { namespace FTL {
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// This class is mostly used for OSR; it's a way of specifying how a value is formatted
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// in cases where it wouldn't have been obvious from looking at other indicators (like
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// the type of the B3::Value* or the type of the DFG::Node).
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class FormattedValue {
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public:
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FormattedValue()
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: m_format(DataFormatNone)
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, m_value(nullptr)
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{
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}
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FormattedValue(DataFormat format, LValue value)
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: m_format(format)
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, m_value(value)
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{
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}
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bool operator!() const
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{
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ASSERT((m_format == DataFormatNone) == !m_value);
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return m_format == DataFormatNone;
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}
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DataFormat format() const { return m_format; }
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LValue value() const { return m_value; }
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private:
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DataFormat m_format;
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LValue m_value;
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};
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static inline FormattedValue noValue() { return FormattedValue(); }
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static inline FormattedValue int32Value(LValue value) { return FormattedValue(DataFormatInt32, value); }
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static inline FormattedValue booleanValue(LValue value) { return FormattedValue(DataFormatBoolean, value); }
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static inline FormattedValue jsValueValue(LValue value) { return FormattedValue(DataFormatJS, value); }
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static inline FormattedValue doubleValue(LValue value) { return FormattedValue(DataFormatDouble, value); }
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} } // namespace JSC::FTL
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#endif // ENABLE(FTL_JIT)
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