Clang: Add diagnostics

Diagnostics are now moved to the clang backend process. Fixits are
supported too.

Change-Id: I20faacf466bbf78dec479220c3d7b336a47bc453
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/libs/clangbackendipc/sourcerangecontainer.cpp

@@ -0,0 +1,100 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://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 http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** 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 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#include "sourcerangecontainer.h"
+
+#include <QDebug>
+
+namespace ClangBackEnd {
+SourceRangeContainer::SourceRangeContainer(SourceLocationContainer start,
+                                           SourceLocationContainer end)
+    : start_(start),
+      end_(end)
+{
+}
+
+SourceLocationContainer SourceRangeContainer::start() const
+{
+    return start_;
+}
+
+SourceLocationContainer SourceRangeContainer::end() const
+{
+    return end_;
+}
+
+QDataStream &operator<<(QDataStream &out, const SourceRangeContainer &container)
+{
+    out << container.start_;
+    out << container.end_;
+
+    return out;
+}
+
+QDataStream &operator>>(QDataStream &in, SourceRangeContainer &container)
+{
+    in >> container.start_;
+    in >> container.end_;
+
+    return in;
+}
+
+bool operator==(const SourceRangeContainer &first, const SourceRangeContainer &second)
+{
+    return first.start_ == second.start_ && first.end_ == second.end_;
+}
+
+bool operator<(const SourceRangeContainer &first, const SourceRangeContainer &second)
+{
+    return first.start_ < second.start_
+        || (first.start_ == second.start_ && first.end_ < second.end_);
+}
+
+QDebug operator<<(QDebug debug, const SourceRangeContainer &container)
+{
+    debug.nospace() << "SourceRangeContainer("
+                    << container.start() << ", "
+                    << container.end()
+                    << ")";
+
+    return debug;
+}
+
+void PrintTo(const SourceRangeContainer &container, ::std::ostream* os)
+{
+    *os << "[";
+    PrintTo(container.start(), os);
+    *os << ", ";
+    PrintTo(container.end(), os);
+    *os<< "]";
+}
+
+} // namespace ClangBackEnd
+