Merge remote-tracking branch 'origin/4.7' into HEAD

1 files changed, 151 insertions, 0 deletions

diff --git a/tools/qdoc3/jscodemarker.cpp b/tools/qdoc3/jscodemarker.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the tools applications 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+/*
+  jscodemarker.cpp
+*/
+
+#include "private/qdeclarativejsast_p.h"
+#include "private/qdeclarativejsengine_p.h"
+#include "private/qdeclarativejslexer_p.h"
+#include "private/qdeclarativejsnodepool_p.h"
+#include "private/qdeclarativejsparser_p.h"
+
+#include "atom.h"
+#include "node.h"
+#include "jscodemarker.h"
+#include "qmlmarkupvisitor.h"
+#include "text.h"
+#include "tree.h"
+
+QT_BEGIN_NAMESPACE
+
+JsCodeMarker::JsCodeMarker()
+{
+}
+
+JsCodeMarker::~JsCodeMarker()
+{
+}
+
+/*!
+  Returns true if the \a code is recognized by the parser.
+ */
+bool JsCodeMarker::recognizeCode(const QString &code)
+{
+    QDeclarativeJS::Engine engine;
+    QDeclarativeJS::Lexer lexer(&engine);
+    QDeclarativeJS::Parser parser(&engine);
+    QDeclarativeJS::NodePool m_nodePool("<JsCodeMarker::recognizeCode>", &engine);
+
+    QString newCode = code;
+    QList<QDeclarativeJS::AST::SourceLocation> pragmas = extractPragmas(newCode);
+    lexer.setCode(newCode, 1);
+
+    return parser.parseProgram();
+}
+
+/*!
+  Returns true if \a ext is any of a list of file extensions
+  for the QML language.
+ */
+bool JsCodeMarker::recognizeExtension(const QString &ext)
+{
+    return ext == "js";
+}
+
+/*!
+  Returns true if the \a language is recognized. Only "QML" is
+  recognized by this marker.
+ */
+bool JsCodeMarker::recognizeLanguage(const QString &language)
+{
+    return language == "JavaScript" || language == "ECMAScript";
+}
+
+/*!
+  Returns the type of atom used to represent JavaScript code in the documentation.
+*/
+Atom::Type JsCodeMarker::atomType() const
+{
+    return Atom::JavaScript;
+}
+
+QString JsCodeMarker::markedUpCode(const QString &code,
+                                    const Node *relative,
+                                    const Location &location)
+{
+    return addMarkUp(code, relative, location);
+}
+
+QString JsCodeMarker::addMarkUp(const QString &code,
+                                 const Node * /* relative */,
+                                 const Location &location)
+{
+    QDeclarativeJS::Engine engine;
+    QDeclarativeJS::Lexer lexer(&engine);
+
+    QString newCode = code;
+    QList<QDeclarativeJS::AST::SourceLocation> pragmas = extractPragmas(newCode);
+    lexer.setCode(newCode, 1);
+
+    QDeclarativeJS::Parser parser(&engine);
+    QDeclarativeJS::NodePool m_nodePool("<JsCodeMarker::addMarkUp>", &engine);
+    QString output;
+
+    if (parser.parseProgram()) {
+        QDeclarativeJS::AST::Node *ast = parser.rootNode();
+        // Pass the unmodified code to the visitor so that pragmas and other
+        // unhandled source text can be output.
+        QmlMarkupVisitor visitor(code, pragmas, &engine);
+        QDeclarativeJS::AST::Node::accept(ast, &visitor);
+        output = visitor.markedUpCode();
+    } else {
+        location.warning(tr("Unable to parse JavaScript: \"%1\" at line %2, column %3").arg(
+            parser.errorMessage()).arg(parser.errorLineNumber()).arg(
+            parser.errorColumnNumber()));
+        output = protect(code);
+    }
+
+    return output;
+}
+
+QT_END_NAMESPACE