Clang: Add clang refactoring

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

src/plugins/clangrefactoring/clangrefactoringplugin.cpp

@@ -0,0 +1,91 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#include "clangrefactoringplugin.h"
+
+#include <cpptools/cppmodelmanager.h>
+
+#include <coreplugin/icore.h>
+
+#include <utils/hostosinfo.h>
+
+namespace ClangRefactoring {
+
+namespace {
+
+QString backendProcessPath()
+{
+    return Core::ICore::libexecPath()
+            + QStringLiteral("/clangrefactoringbackend")
+            + QStringLiteral(QTC_HOST_EXE_SUFFIX);
+}
+
+} // anonymous namespace
+
+RefactoringClient ClangRefactoringPlugin::client;
+ClangBackEnd::RefactoringConnectionClient ClangRefactoringPlugin::connectionClient(&client);
+RefactoringEngine ClangRefactoringPlugin::engine(connectionClient.serverProxy(), client);
+
+bool ClangRefactoringPlugin::initialize(const QStringList &/*arguments*/, QString */*errorMessage*/)
+{
+    client.setRefactoringEngine(&engine);
+
+    connectBackend();
+    startBackend();
+
+    return true;
+}
+
+void ClangRefactoringPlugin::extensionsInitialized()
+{
+    CppTools::CppModelManager::setRefactoringEngine(&refactoringEngine());
+}
+
+RefactoringEngine &ClangRefactoringPlugin::refactoringEngine()
+{
+    return engine;
+}
+
+void ClangRefactoringPlugin::startBackend()
+{
+    connectionClient.setProcessPath(backendProcessPath());
+
+    connectionClient.startProcessAndConnectToServerAsynchronously();
+}
+
+void ClangRefactoringPlugin::connectBackend()
+{
+    connect(&connectionClient,
+            &ClangBackEnd::RefactoringConnectionClient::connectedToLocalSocket,
+            this,
+            &ClangRefactoringPlugin::backendIsConnected);
+}
+
+void ClangRefactoringPlugin::backendIsConnected()
+{
+    engine.setUsable(true);
+}
+
+} // namespace ClangRefactoring