/* * Copyright (C) 2020 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 namespace WTF { class PrintStream; }; namespace JSC { struct ECMAMode { static constexpr uint8_t StrictMode = 0; static constexpr uint8_t SloppyMode = 1; public: static constexpr ECMAMode fromByte(uint8_t byte) { return ECMAMode(byte); } static constexpr ECMAMode strict() { return ECMAMode(StrictMode); } static constexpr ECMAMode sloppy() { return ECMAMode(SloppyMode); } ALWAYS_INLINE bool isStrict() const { return m_value == StrictMode; } ALWAYS_INLINE uint8_t value() const { return m_value; } void dump(WTF::PrintStream&) const; private: constexpr ECMAMode(uint8_t value) : m_value(value) { ASSERT(m_value == StrictMode || m_value == SloppyMode, m_value); } uint8_t m_value; }; } // namespace JSC