--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/scripttools/debugging/qscriptxmlparser.cpp Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,176 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtSCriptTools module 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qscriptxmlparser_p.h"
+
+#include <QtCore/qstringlist.h>
+#include <QtCore/qxmlstream.h>
+#include <QtCore/qdebug.h>
+
+QT_BEGIN_NAMESPACE
+
+static void tokenUntil(QXmlStreamReader &reader, QXmlStreamReader::TokenType target,
+ QList<int> &lineNumbers)
+{
+ int level = 0;
+ while (!reader.atEnd()) {
+ QXmlStreamReader::TokenType t = reader.readNext();
+ if ((t == target) && (level == 0))
+ return;
+ if (t == QXmlStreamReader::StartElement) {
+ ++level;
+ QString line = reader.attributes().value(QLatin1String("line")).toString();
+ if (!line.isEmpty())
+ lineNumbers.append(line.toInt());
+ } else if (t == QXmlStreamReader::EndElement) {
+ --level;
+ }
+ }
+// Q_ASSERT_X(false, "QScriptXmlParser", "premature end of file");
+}
+
+QScriptXmlParser::Result QScriptXmlParser::parse(const QString &xml)
+{
+ QMap<QString, int> functionsInfo;
+ QList<int> lineNumbers;
+ QXmlStreamReader reader(xml);
+ reader.readNext(); // StartDocument
+ reader.readNext(); // <program>
+ reader.readNext(); // <source-elements>
+ while (reader.readNext() == QXmlStreamReader::StartElement) {
+// qDebug() << reader.name().toString();
+ int line = reader.attributes().value(QLatin1String("line")).toString().toInt();
+ lineNumbers.append(line);
+ if (reader.name() == QLatin1String("function-declaration")) {
+ // extract the line number, name and formal parameters
+ reader.readNext(); // <name>
+ reader.readNext(); // Characters
+ QString name = reader.text().toString();
+ reader.readNext(); // </name>
+ reader.readNext(); // <formal-parameter-list>
+ QStringList formalParameters;
+ while (reader.readNext() == QXmlStreamReader::StartElement) {
+ reader.readNext(); // Characters
+ formalParameters.append(reader.text().toString());
+ reader.readNext(); // </identifier>
+ }
+ reader.readNext(); // <function-body>
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+
+ QString signature;
+ signature.append(name);
+ signature.append(QLatin1Char('('));
+ for (int i = 0; i < formalParameters.size(); ++i) {
+ if (i > 0)
+ signature.append(QLatin1String(", "));
+ signature.append(formalParameters.at(i));
+ }
+ signature.append(QLatin1Char(')'));
+ functionsInfo.insert(signature, line);
+ } else if (reader.name() == QLatin1String("expression-statement")) {
+ reader.readNext();
+ if ((reader.name() == QLatin1String("binary-expression"))
+ && reader.attributes().value(QLatin1String("op")) == QLatin1String("=")) {
+ // try to match a statement of the form Foo.prototype.bar = function() { ... }
+ // this can be generalized...
+ QString first, second, third;
+ reader.readNext(); // LHS
+ if (reader.name() == QLatin1String("field-member-expression")) {
+ reader.readNext();
+ if (reader.name() == QLatin1String("field-member-expression")) {
+ reader.readNext();
+ if (reader.name() == QLatin1String("identifier")) {
+ reader.readNext();
+ first = reader.text().toString();
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ reader.readNext();
+ if (reader.name() == QLatin1String("identifier")) {
+ reader.readNext();
+ second = reader.text().toString();
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ } else if (reader.name() == QLatin1String("identifier")) {
+ reader.readNext();
+ first = reader.text().toString();
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ reader.readNext();
+ if (reader.name() == QLatin1String("identifier")) {
+ reader.readNext();
+ if (second.isEmpty())
+ second = reader.text().toString();
+ else
+ third = reader.text().toString();
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ reader.readNext(); // RHS
+ if (reader.name() == QLatin1String("function-expression")) {
+ if (!first.isEmpty()) {
+ QString signature = first;
+ if (!second.isEmpty()) {
+ signature.append(QLatin1Char('.'));
+ signature.append(second);
+ if (!third.isEmpty()) {
+ signature.append(QLatin1Char('.'));
+ signature.append(third);
+ }
+ }
+ signature.append(QLatin1String("()"));
+ functionsInfo.insert(signature, line);
+ }
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ }
+ tokenUntil(reader, QXmlStreamReader::EndElement, lineNumbers);
+ }
+ reader.readNext(); // </source-elements>
+ reader.readNext(); // </program>
+ reader.readNext(); // EndDocument
+ Q_ASSERT(reader.atEnd());
+ return Result(functionsInfo, lineNumbers.toSet());
+}
+
+QT_END_NAMESPACE