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/diagnosticschangedmessage.cpp

@@ -0,0 +1,112 @@
+/****************************************************************************
+**
+** 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 "diagnosticschangedmessage.h"
+
+#include "container_common.h"
+
+#include <QDataStream>
+#include <QDebug>
+
+namespace ClangBackEnd {
+
+DiagnosticsChangedMessage::DiagnosticsChangedMessage(const FileContainer &file,
+                                                     const QVector<DiagnosticContainer> &diagnostics,
+                                                     quint32 documentRevision)
+    : file_(file),
+      diagnostics_(diagnostics),
+      documentRevision_(documentRevision)
+{
+}
+
+const FileContainer &DiagnosticsChangedMessage::file() const
+{
+    return file_;
+}
+
+const QVector<DiagnosticContainer> &DiagnosticsChangedMessage::diagnostics() const
+{
+    return diagnostics_;
+}
+
+quint32 DiagnosticsChangedMessage::documentRevision() const
+{
+    return documentRevision_;
+}
+
+QDataStream &operator<<(QDataStream &out, const DiagnosticsChangedMessage &message)
+{
+    out << message.file_;
+    out << message.diagnostics_;
+    out << message.documentRevision_;
+
+    return out;
+}
+
+QDataStream &operator>>(QDataStream &in, DiagnosticsChangedMessage &message)
+{
+    in >> message.file_;
+    in >> message.diagnostics_;
+    in >> message.documentRevision_;
+
+    return in;
+}
+
+bool operator==(const DiagnosticsChangedMessage &first, const DiagnosticsChangedMessage &second)
+{
+    return first.file_ == second.file_
+            && first.diagnostics_ == second.diagnostics_;
+}
+
+bool operator<(const DiagnosticsChangedMessage &first, const DiagnosticsChangedMessage &second)
+{
+    return first.file_ < second.file_
+            && compareContainer(first.diagnostics_, second.diagnostics_);
+}
+
+QDebug operator<<(QDebug debug, const DiagnosticsChangedMessage &message)
+{
+    debug.nospace() << "DiagnosticsChangedMessage("
+                    << message.file_ << QStringLiteral(", ")
+                    << message.documentRevision_
+                    << ")";
+
+    return debug;
+}
+
+void PrintTo(const DiagnosticsChangedMessage &message, ::std::ostream* os)
+{
+    *os << "DiagnosticsChangedMessage(";
+    PrintTo(message.file(), os);
+    *os << ")";
+}
+
+} // namespace ClangBackEnd
+