Utils: Move C++ language details from ProjectExplorer to Utils

We want to use them in the backend processes too so it's nice to share them
in Utils. A concrete size was added too because they should be serialized.

Change-Id: Id5eb8f46643d5159f034fc9559f68a08d7e5847a
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/libs/utils/cpplanguage_details.h

@@ -0,0 +1,63 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 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 <QFlags>
+
+namespace Utils {
+
+enum class Language : unsigned char { C, Cxx };
+
+enum class LanguageVersion : unsigned char {
+    C89,
+    C99,
+    C11,
+    C18,
+    LatestC = C18,
+    CXX98,
+    CXX03,
+    CXX11,
+    CXX14,
+    CXX17,
+    CXX2a,
+    LatestCxx = CXX2a,
+};
+
+enum class LanguageExtension : unsigned char {
+    None = 0,
+
+    Gnu = 1 << 0,
+    Microsoft = 1 << 1,
+    Borland = 1 << 2,
+    OpenMP = 1 << 3,
+    ObjectiveC = 1 << 4,
+
+    All = Gnu | Microsoft | Borland | OpenMP | ObjectiveC
+};
+
+Q_DECLARE_FLAGS(LanguageExtensions, LanguageExtension)
+
+} // namespace Utils