Introduced CPlusPlus::SymbolNameVisitor and CPlusPlus::SnapshotSymbolVisitor.

src/libs/cplusplus/SnapshotSymbolVisitor.cpp

@@ -0,0 +1,60 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#include "SnapshotSymbolVisitor.h"
+#include <Symbols.h>
+
+using namespace CPlusPlus;
+
+SnapshotSymbolVisitor::SnapshotSymbolVisitor(const Snapshot &snapshot)
+    : _snapshot(snapshot)
+{
+}
+
+void SnapshotSymbolVisitor::accept(Document::Ptr doc)
+{
+    QSet<QString> processed;
+    accept(doc, &processed);
+}
+
+void SnapshotSymbolVisitor::accept(Document::Ptr doc, QSet<QString> *processed)
+{
+    if (doc && doc->globalNamespace() && ! processed->contains(doc->fileName())) {
+        processed->insert(doc->fileName());
+
+        foreach (const Document::Include &i, doc->includes()) {
+            if (Document::Ptr incl = _snapshot.document(i.fileName()))
+                accept(incl, processed);
+        }
+
+        std::swap(_document, doc);
+        accept(_document->globalNamespace());
+        std::swap(_document, doc);
+    }
+}