mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
synced 2024-11-26 21:50:53 +00:00
105 lines
2.8 KiB
C++
105 lines
2.8 KiB
C++
/*
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* Copyright (C) 2018 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 "ExitingInlineKind.h"
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namespace WTF {
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class PrintStream;
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} // namespace WTF
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namespace JSC {
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class ExitFlag {
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public:
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ExitFlag() { }
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ExitFlag(bool value, ExitingInlineKind inlineKind)
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{
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if (!value)
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return;
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switch (inlineKind) {
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case ExitFromAnyInlineKind:
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m_bits = trueNotInlined | trueInlined;
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break;
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case ExitFromNotInlined:
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m_bits = trueNotInlined;
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break;
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case ExitFromInlined:
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m_bits = trueInlined;
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break;
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}
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}
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ExitFlag operator|(const ExitFlag& other) const
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{
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ExitFlag result;
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result.m_bits = m_bits | other.m_bits;
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return result;
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}
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ExitFlag& operator|=(const ExitFlag& other)
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{
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*this = *this | other;
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return *this;
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}
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ExitFlag operator&(const ExitFlag& other) const
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{
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ExitFlag result;
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result.m_bits = m_bits & other.m_bits;
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return result;
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}
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ExitFlag& operator&=(const ExitFlag& other)
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{
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*this = *this & other;
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return *this;
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}
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explicit operator bool() const
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{
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return !!m_bits;
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}
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bool isSet(ExitingInlineKind inlineKind) const
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{
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return !!(*this & ExitFlag(true, inlineKind));
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}
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void dump(WTF::PrintStream&) const;
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private:
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static constexpr uint8_t trueNotInlined = 1;
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static constexpr uint8_t trueInlined = 2;
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uint8_t m_bits { 0 };
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};
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} // namespace JSC
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