Clang: Add Symbol Indexing

It is a first step and now a database is generated if you start QtCreator.
Some code is now shared with the PchManager which can be improved in the
future.

Change-Id: Ic267fe7960f6c455d91832859a673ce98f269aa2
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/plugins/clangrefactoring/clangrefactoring-source.pri

@@ -11,7 +11,8 @@ HEADERS += \
     $$PWD/clangqueryexamplehighlightmarker.h \
     $$PWD/clangqueryhighlightmarker.h \
     $$PWD/clangqueryexamplehighlighter.h \
-    $$PWD/clangqueryhighlighter.h
+    $$PWD/clangqueryhighlighter.h \
+    $$PWD/refactoringprojectupdater.h
 
 SOURCES += \
     $$PWD/refactoringengine.cpp \
@@ -22,4 +23,5 @@ SOURCES += \
     $$PWD/projectpartutilities.cpp \
     $$PWD/clangqueryprojectsfindfilter.cpp \
     $$PWD/clangqueryexamplehighlighter.cpp \
-    $$PWD/clangqueryhighlighter.cpp
+    $$PWD/clangqueryhighlighter.cpp \
+    $$PWD/refactoringprojectupdater.cpp

src/plugins/clangrefactoring/clangrefactoring_dependencies.pri

@@ -5,4 +5,5 @@ QTC_LIB_DEPENDS += \
 QTC_PLUGIN_DEPENDS += \
     coreplugin \
     cpptools \
-    texteditor
+    texteditor \
+    clangpchmanager

src/plugins/clangrefactoring/clangrefactoringplugin.cpp

@@ -25,6 +25,8 @@
 
 #include "clangrefactoringplugin.h"
 
+#include <clangpchmanager/qtcreatorprojectupdater.h>
+
 #include <cpptools/cppmodelmanager.h>
 
 #include <coreplugin/icore.h>
@@ -50,6 +52,7 @@ std::unique_ptr<ClangRefactoringPluginData> ClangRefactoringPlugin::d;
 
 class ClangRefactoringPluginData
 {
+    using ProjectUpdater = ClangPchManager::QtCreatorProjectUpdater<ClangPchManager::ProjectUpdater>;
 public:
     RefactoringClient refactoringClient;
     ClangBackEnd::RefactoringConnectionClient connectionClient{&refactoringClient};
@@ -58,6 +61,9 @@ public:
     QtCreatorClangQueryFindFilter qtCreatorfindFilter{connectionClient.serverProxy(),
                                                       qtCreatorSearch,
                                                       refactoringClient};
+    ProjectUpdater projectUpdate{connectionClient.serverProxy()};
+
+
 };
 
 ClangRefactoringPlugin::ClangRefactoringPlugin()

src/plugins/clangrefactoring/refactoringprojectupdater.cpp

@@ -0,0 +1,37 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 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 "refactoringprojectupdater.h"
+
+namespace ClangRefactoring {
+
+RefactoringProjectUpdater::RefactoringProjectUpdater(ClangBackEnd::ProjectManagementServerInterface &server,
+                                                     RefactoringClient &)
+    : ClangPchManager::ProjectUpdater(server)
+{
+
+}
+
+} // namespace ClangRefactoring

src/plugins/clangrefactoring/refactoringprojectupdater.h

@@ -0,0 +1,41 @@
+/****************************************************************************
+**
+** Copyright (C) 2017 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.
+**
+****************************************************************************/
+
+#pragma once
+
+#include <clangpchmanager/projectupdater.h>
+
+namespace ClangRefactoring {
+
+class RefactoringClient;
+
+class RefactoringProjectUpdater : public ClangPchManager::ProjectUpdater
+{
+public:
+    RefactoringProjectUpdater(ClangBackEnd::ProjectManagementServerInterface &server,
+                              RefactoringClient &client);
+};
+
+} // namespace ClangRefactoring

src/plugins/clangrefactoring/sourcelocations.h

@@ -50,6 +50,13 @@ public:
         Utils::PathString sourcePath;
     };
 
+    enum LocationGetter
+    {
+        SourceId = 0,
+        Line,
+        Column
+    };
+
     std::vector<Location> locations;
     std::unordered_map<qint64, Utils::PathString> sources;
 };