1 files changed, 88 insertions, 0 deletions
diff --git a/src/lib/corelib/language/evaluator.h b/src/lib/corelib/language/evaluator.h
new file mode 100644
index 000000000..a17605af1
--- /dev/null
+++ b/src/lib/corelib/language/evaluator.h
@@ -0,0 +1,88 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Build Suite.
+**
+** 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.
+**
+****************************************************************************/
+
+#ifndef QBS_EVALUATOR_H
+#define QBS_EVALUATOR_H
+
+#include "forward_decls.h"
+#include "itemobserver.h"
+#include <language/scriptengine.h>
+
+#include <QHash>
+#include <QScriptValue>
+
+namespace qbs {
+namespace Internal {
+class FileTags;
+
+class EvaluatorScriptClass;
+
+class Evaluator : private ItemObserver
+{
+    friend class SVConverter;
+
+public:
+    Evaluator(ScriptEngine *scriptEngine, const Logger &logger);
+    virtual ~Evaluator();
+
+    ScriptEngine *engine() const;
+    QScriptValue property(const Item *item, const QString &name);
+    QScriptValue property(const Item *item, const QStringList &nameParts);
+
+    bool boolValue(const Item *item, const QString &name, bool defaultValue = false,
+                   bool *propertyWasSet = 0);
+    FileTags fileTagsValue(const Item *item, const QString &name);
+    QString stringValue(const Item *item, const QString &name,
+                        const QString &defaultValue = QString(), bool *propertyWasSet = 0);
+    QStringList stringListValue(const Item *item, const QString &name, bool *propertyWasSet = 0);
+
+    QScriptValue scriptValue(const Item *item);
+    QScriptValue fileScope(const FileContextConstPtr &file);
+
+private:
+    void onItemPropertyChanged(Item *item);
+    void onItemDestroyed(Item *item);
+    void handleEvaluationError(const Item *item, const QString &name,
+            const QScriptValue &scriptValue);
+
+    ScriptEngine *m_scriptEngine;
+    EvaluatorScriptClass *m_scriptClass;
+    mutable QHash<const Item *, QScriptValue> m_scriptValueMap;
+    mutable QHash<FileContextConstPtr, QScriptValue> m_fileScopeMap;
+};
+
+inline ScriptEngine *Evaluator::engine() const
+{
+    return m_scriptEngine;
+}
+
+} // namespace Internal
+} // namespace qbs
+
+#endif // QBS_EVALUATOR_H