Clang: Rename directory ipcsource to source

Now it's in accordance with clangrefactoringbackend/source and
clangpchmanagerbackend/source.

Change-Id: I939cfc72cffb8fcde0649f125e6efb6670d1cbc3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/tools/clangbackend/source/clangfollowsymboljob.cpp

@@ -0,0 +1,73 @@
+/****************************************************************************
+**
+** 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 "clangfollowsymboljob.h"
+
+#include <clangsupport/clangsupportdebugutils.h>
+#include <clangsupport/followsymbolmessage.h>
+#include <clangsupport/clangcodemodelclientinterface.h>
+
+#include <utils/qtcassert.h>
+
+namespace ClangBackEnd {
+
+IAsyncJob::AsyncPrepareResult FollowSymbolJob::prepareAsyncRun()
+{
+    const JobRequest jobRequest = context().jobRequest;
+    QTC_ASSERT(jobRequest.type == JobRequest::Type::FollowSymbol,
+               return AsyncPrepareResult());
+    QTC_ASSERT(acquireDocument(), return AsyncPrepareResult());
+
+    const TranslationUnit translationUnit = *m_translationUnit;
+    const TranslationUnitUpdateInput updateInput = m_pinnedDocument.createUpdateInput();
+    const CommandLineArguments currentArgs(updateInput.filePath.constData(),
+                                           updateInput.projectArguments,
+                                           updateInput.fileArguments,
+                                           false);
+
+    const quint32 line = jobRequest.line;
+    const quint32 column = jobRequest.column;
+    const QVector<Utf8String> &dependentFiles = jobRequest.dependentFiles;
+    setRunner([translationUnit, line, column, dependentFiles, currentArgs]() {
+        TIME_SCOPE_DURATION("FollowSymbolJobRunner");
+        return translationUnit.followSymbol(line, column, dependentFiles, currentArgs);
+    });
+
+    return AsyncPrepareResult{translationUnit.id()};
+}
+
+void FollowSymbolJob::finalizeAsyncRun()
+{
+    if (!context().isOutdated()) {
+        const AsyncResult result = asyncResult();
+
+        const FollowSymbolMessage message(m_pinnedFileContainer,
+                                          result,
+                                          context().jobRequest.ticketNumber);
+        context().client->followSymbol(message);
+    }
+}
+
+} // namespace ClangBackEnd