qt5base-lts/util/lexgen/tokenizer.cpp
Sergio Ahumada 48e0c4df23 Update copyright year in Digia's license headers
Change-Id: Ic804938fc352291d011800d21e549c10acac66fb
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
2013-01-18 09:07:35 +01:00

238 lines
6.9 KiB
C++

/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the utils of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
// auto generated. DO NOT EDIT.
class RegExpTokenizer
{
public:
RegExpTokenizer(const QString &inp);
inline QChar next() {
return (pos < input.length()) ? input.at(pos++) : QChar();
}
int lex();
QString input;
int pos;
int lexemStart;
int lexemLength;
};
RegExpTokenizer::RegExpTokenizer(const QString &inp)
{
input = inp;
pos = 0;
lexemStart = 0;
lexemLength = 0;
}
int RegExpTokenizer::lex()
{
lexemStart = pos;
lexemLength = 0;
int lastAcceptingPos = -1;
int token = -1;
QChar ch;
// initial state
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 33)
goto state_1;
if (ch.unicode() == 34)
goto state_2;
if (ch.unicode() >= 35 && ch.unicode() <= 39)
goto state_1;
if (ch.unicode() == 40) {
token = RE2NFA::TOK_LPAREN;
goto found;
}
if (ch.unicode() == 41) {
token = RE2NFA::TOK_RPAREN;
goto found;
}
if (ch.unicode() == 42) {
token = RE2NFA::TOK_STAR;
goto found;
}
if (ch.unicode() == 43) {
token = RE2NFA::TOK_PLUS;
goto found;
}
if (ch.unicode() == 44) {
token = RE2NFA::TOK_COMMA;
goto found;
}
if (ch.unicode() == 45)
goto state_1;
if (ch.unicode() == 46) {
token = RE2NFA::TOK_DOT;
goto found;
}
if (ch.unicode() >= 47 && ch.unicode() <= 62)
goto state_1;
if (ch.unicode() == 63) {
token = RE2NFA::TOK_QUESTION;
goto found;
}
if (ch.unicode() >= 64 && ch.unicode() <= 90)
goto state_1;
if (ch.unicode() == 91)
goto state_10;
if (ch.unicode() == 92)
goto state_11;
if (ch.unicode() >= 93 && ch.unicode() <= 122)
goto state_1;
if (ch.unicode() == 123) {
token = RE2NFA::TOK_LBRACE;
goto found;
}
if (ch.unicode() == 124) {
token = RE2NFA::TOK_OR;
goto found;
}
if (ch.unicode() == 125) {
token = RE2NFA::TOK_RBRACE;
goto found;
}
if (ch.unicode() >= 126)
goto state_1;
goto out;
state_1:
lastAcceptingPos = pos;
token = RE2NFA::TOK_STRING;
goto out;
state_2:
lastAcceptingPos = pos;
token = RE2NFA::TOK_STRING;
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 33)
goto state_15;
if (ch.unicode() == 34)
goto state_16;
if (ch.unicode() >= 35)
goto state_15;
goto out;
state_10:
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 91)
goto state_17;
if (ch.unicode() == 92)
goto state_18;
if (ch.unicode() == 93)
goto state_19;
if (ch.unicode() >= 94)
goto state_17;
goto out;
state_11:
lastAcceptingPos = pos;
token = RE2NFA::TOK_STRING;
ch = next();
if (ch.unicode() >= 1)
goto state_20;
goto out;
state_15:
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 33)
goto state_15;
if (ch.unicode() == 34)
goto state_16;
if (ch.unicode() >= 35)
goto state_15;
goto out;
state_16:
lastAcceptingPos = pos;
token = RE2NFA::TOK_QUOTED_STRING;
goto out;
state_17:
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 91)
goto state_17;
if (ch.unicode() == 92)
goto state_18;
if (ch.unicode() == 93)
goto state_19;
if (ch.unicode() >= 94)
goto state_17;
goto out;
state_18:
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 91)
goto state_17;
if (ch.unicode() == 92)
goto state_18;
if (ch.unicode() == 93)
goto state_21;
if (ch.unicode() >= 94)
goto state_17;
goto out;
state_19:
lastAcceptingPos = pos;
token = RE2NFA::TOK_SEQUENCE;
goto out;
state_20:
lastAcceptingPos = pos;
token = RE2NFA::TOK_STRING;
goto out;
state_21:
lastAcceptingPos = pos;
token = RE2NFA::TOK_SEQUENCE;
ch = next();
if (ch.unicode() >= 1 && ch.unicode() <= 91)
goto state_17;
if (ch.unicode() == 92)
goto state_18;
if (ch.unicode() == 93)
goto state_19;
if (ch.unicode() >= 94)
goto state_17;
goto out;
found:
lastAcceptingPos = pos;
out:
if (lastAcceptingPos != -1) {
lexemLength = lastAcceptingPos - lexemStart;
pos = lastAcceptingPos;
}
return token;
}