QmlJS: Add semantic highlighting.

Change-Id: If9293244075cff1a52801b50cdbb77248ecd21ea
Reviewed-on: http://codereview.qt.nokia.com/3310
Reviewed-by: Fawzi Mohamed <fawzi.mohamed@nokia.com>

1 files changed, 98 insertions, 0 deletions

diff --git a/src/plugins/qmljseditor/qmljssemantichighlighter.h b/src/plugins/qmljseditor/qmljssemantichighlighter.h
new file mode 100644
index 0000000000..01c2ac95d8
--- /dev/null
+++ b/src/plugins/qmljseditor/qmljssemantichighlighter.h
@@ -0,0 +1,98 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at info@qt.nokia.com.
+**
+**************************************************************************/
+
+#ifndef QMLJSSEMANTICHIGHLIGHTER_H
+#define QMLJSSEMANTICHIGHLIGHTER_H
+
+#include <texteditor/semantichighlighter.h>
+#include <QtCore/QFutureWatcher>
+
+namespace QmlJS {
+class ScopeChain;
+namespace AST {
+class SourceLocation;
+}
+}
+
+namespace TextEditor {
+class FontSettings;
+}
+
+namespace QmlJSEditor {
+
+class QmlJSTextEditorWidget;
+
+namespace Internal {
+
+class SemanticHighlighter : public QObject
+{
+    Q_OBJECT
+public:
+    enum UseType
+    {
+        UnknownType,
+        LocalIdType, // ids in the same file
+        ExternalIdType, // ids from instantiating files
+        QmlTypeType, // qml types
+        RootObjectPropertyType, // property in root object
+        ScopeObjectPropertyType, // property in scope object
+        ExternalObjectPropertyType, // property in root object of instantiating file
+        JsScopeType, // var or function in local js scope
+        JsImportType, // name of js import
+        JsGlobalType, // in global scope
+        LocalStateNameType // name of a state in the current file
+    };
+
+    typedef TextEditor::SemanticHighlighter::Result Use;
+    static Use makeUse(const QmlJS::AST::SourceLocation &location, UseType type = UnknownType);
+
+    SemanticHighlighter(QmlJSTextEditorWidget *editor);
+
+    void rerun(const QmlJS::ScopeChain &scopeChain);
+
+    void updateFontSettings(const TextEditor::FontSettings &fontSettings);
+
+private slots:
+    void applyResults(int from, int to);
+    void finished();
+
+private:
+    QFutureWatcher<Use>  m_watcher;
+    QmlJSTextEditorWidget *m_editor;
+    int m_startRevision;
+    QHash<int, QTextCharFormat> m_formats;
+};
+
+} // namespace Internal
+} // namespace QmlJSEditor
+
+#endif // QMLJSSEMANTICHIGHLIGHTER_H