mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
/*
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* Copyright (C) 2020 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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namespace WTF {
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class PrintStream;
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};
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namespace JSC {
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struct ECMAMode {
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static constexpr uint8_t StrictMode = 0;
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static constexpr uint8_t SloppyMode = 1;
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public:
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static constexpr ECMAMode fromByte(uint8_t byte) { return ECMAMode(byte); }
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static constexpr ECMAMode strict() { return ECMAMode(StrictMode); }
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static constexpr ECMAMode sloppy() { return ECMAMode(SloppyMode); }
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ALWAYS_INLINE bool isStrict() const { return m_value == StrictMode; }
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ALWAYS_INLINE uint8_t value() const { return m_value; }
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void dump(WTF::PrintStream&) const;
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private:
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constexpr ECMAMode(uint8_t value)
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: m_value(value)
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{
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ASSERT(m_value == StrictMode || m_value == SloppyMode, m_value);
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}
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uint8_t m_value;
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};
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} // namespace JSC
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