60 lines
2.5 KiB
C++
60 lines
2.5 KiB
C++
/*
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* Copyright (C) 2019 Sony Interactive Entertainment Inc.
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* Copyright (C) 2021 Apple Inc.
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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. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <optional>
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#include <wtf/Forward.h>
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namespace JSC { namespace Yarr {
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// Flags must be ordered in alphabet ordering.
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#define JSC_REGEXP_FLAGS(macro) \
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macro('d', HasIndices, hasIndices, 0) \
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macro('g', Global, global, 1) \
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macro('i', IgnoreCase, ignoreCase, 2) \
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macro('m', Multiline, multiline, 3) \
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macro('s', DotAll, dotAll, 4) \
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macro('u', Unicode, unicode, 5) \
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macro('y', Sticky, sticky, 6) \
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#define JSC_COUNT_REGEXP_FLAG(key, name, lowerCaseName, index) + 1
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static constexpr unsigned numberOfFlags = 0 JSC_REGEXP_FLAGS(JSC_COUNT_REGEXP_FLAG);
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#undef JSC_COUNT_REGEXP_FLAG
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enum class Flags : uint8_t {
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#define JSC_DEFINE_REGEXP_FLAG(key, name, lowerCaseName, index) name = 1 << index,
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JSC_REGEXP_FLAGS(JSC_DEFINE_REGEXP_FLAG)
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#undef JSC_DEFINE_REGEXP_FLAG
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DeletedValue = 1 << numberOfFlags,
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};
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JS_EXPORT_PRIVATE std::optional<OptionSet<Flags>> parseFlags(StringView);
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using FlagsString = std::array<char, Yarr::numberOfFlags + 1>; // numberOfFlags + null-terminator
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JS_EXPORT_PRIVATE FlagsString flagsString(OptionSet<Flags>);
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} } // namespace JSC::Yarr
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