Clang: Add clang refactoring

Change-Id: I2e3f36f810276da3f8dc7dcc587b06f8edb586d3
GPush-Base: d02f51b48fc752fddcdef6dcb32b3f7f6c0195a3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/tools/clangrefactoringbackend/source/refactoringcompilationdatabase.h

@@ -0,0 +1,62 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#ifndef CLANGBACKEND_REFACTORINGCOMPILATIONDATABASE_H
+#define CLANGBACKEND_REFACTORINGCOMPILATIONDATABASE_H
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+#include "clang/Tooling/CompilationDatabase.h"
+
+#if defined(__GNUC__)
+#pragma GCC diagnostic pop
+#endif
+
+namespace ClangBackEnd {
+
+
+class RefactoringCompilationDatabase : public clang::tooling::CompilationDatabase
+{
+public:
+    RefactoringCompilationDatabase();
+
+    std::vector<clang::tooling::CompileCommand> getCompileCommands(llvm::StringRef filePath) const override;
+    std::vector<std::string> getAllFiles() const override;
+    std::vector<clang::tooling::CompileCommand> getAllCompileCommands() const override;
+
+    void addFile(const std::string &directory,
+                            const std::string &fileName,
+                            const std::vector<std::string> &commandLine);
+
+private:
+    std::vector<clang::tooling::CompileCommand> compileCommands;
+};
+
+} // namespace ClangBackEnd
+
+#endif // CLANGBACKEND_REFACTORINGCOMPILATIONDATABASE_H