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/****************************************************************************
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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** This file is part of the utils of the Qt Toolkit.
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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****************************************************************************/
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RE2NFA(const QMap<QString, NFA> ¯os, const QSet<InputType> &maxInputSet, Qt::CaseSensitivity cs);
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NFA parse(const QString &expression, int *errorColumn = 0);
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NFA parseMaybeQuantifier(const NFA &nfa);
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friend class RegExpTokenizer;
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inline Symbol() : token(TOK_INVALID), column(-1) {}
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inline Symbol(Token t, const QString &l = QString()) : token(t), lexem(l), column(-1) {}
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inline bool hasNext() const { return index < symbols.count(); }
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inline Token next() { return symbols.at(index++).token; }
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inline void prev() { index--; }
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inline const Symbol &symbol() const { return symbols.at(index - 1); }
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QString lexemUntil(Token t);
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void tokenize(const QString &input);
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QMap<QString, NFA> macros;
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QVector<Symbol> symbols;
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const QSet<InputType> maxInputSet;
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Qt::CaseSensitivity caseSensitivity;