Moved ASTPath to its own header/source files.

src/libs/cplusplus/ASTPath.h

@@ -0,0 +1,74 @@
+/**************************************************************************
+**
+** 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.
+**
+**************************************************************************/
+
+#ifndef ASTPATH_H
+#define ASTPATH_H
+
+#include <ASTfwd.h>
+#include <ASTVisitor.h>
+
+#include <cplusplus/CppDocument.h>
+
+#include <QtCore/QList>
+#include <QtGui/QTextCursor>
+
+#define DEBUG_AST_PATH
+
+namespace CPlusPlus {
+
+class CPLUSPLUS_EXPORT ASTPath: public ASTVisitor
+{
+public:
+    ASTPath(Document::Ptr doc)
+        : ASTVisitor(doc->translationUnit()),
+          _doc(doc), _line(0), _column(0)
+    {}
+
+    QList<AST *> operator()(const QTextCursor &cursor)
+    { return this->operator()(cursor.blockNumber(), cursor.columnNumber()); }
+
+    QList<AST *> operator()(int line, int column);
+
+#ifdef DEBUG_AST_PATH
+    static void dump(const QList<AST *> nodes);
+#endif
+
+protected:
+    virtual bool preVisit(AST *ast);
+
+private:
+    Document::Ptr _doc;
+    unsigned _line;
+    unsigned _column;
+    QList<AST *> _nodes;
+};
+
+} // namespace CppTools
+
+#endif // ASTPATH_H