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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /util/lexgen/tokenizer.cpp
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
Diffstat (limited to 'util/lexgen/tokenizer.cpp')
-rw-r--r--util/lexgen/tokenizer.cpp237
1 files changed, 237 insertions, 0 deletions
diff --git a/util/lexgen/tokenizer.cpp b/util/lexgen/tokenizer.cpp
new file mode 100644
index 0000000000..39fc7ca1ef
--- /dev/null
+++ b/util/lexgen/tokenizer.cpp
@@ -0,0 +1,237 @@
+/****************************************************************************
+**
+** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the utils of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** 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, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+// 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;
+}
+