ClangTools: Split generic part from static analyzer tool

To reuse it for other clang-based tools.

Change-Id: I6c0d8e9eee543fa08faf3bf93c9fac33e43c6820
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/clangtools/clangtoolsutils.h

@@ -0,0 +1,74 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 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 <coreplugin/id.h>
+
+#include <QVersionNumber>
+#include <QtGlobal>
+
+QT_BEGIN_NAMESPACE
+class QString;
+QT_END_NAMESPACE
+
+namespace Debugger { class DiagnosticLocation; }
+
+namespace ClangTools {
+namespace Internal {
+
+bool isClangExecutableUsable(const QString &filePath, QString *errorMessage = 0);
+
+QString clangExecutableFromSettings(bool *isValid);
+
+QString createFullLocationString(const Debugger::DiagnosticLocation &location);
+
+// CLANG-UPGRADE-CHECK: Adapt minimum version numbers.
+class ClangExecutableVersion : public QVersionNumber {
+public:
+    ClangExecutableVersion() : QVersionNumber(-1, -1, -1) {}
+    ClangExecutableVersion(int major, int minor, int micro)
+        : QVersionNumber(major, minor, micro) {}
+
+    bool isValid() const
+    {
+        return majorVersion() >= 0 && minorVersion() >= 0 && microVersion() >= 0;
+    }
+
+    bool isSupportedVersion() const
+    {
+        return majorVersion() == 5 && minorVersion() == 0;
+    }
+
+    static QString supportedVersionAsString()
+    {
+        return QLatin1String("5.0");
+    }
+};
+
+ClangExecutableVersion clangExecutableVersion(const QString &absolutePath);
+
+} // namespace Internal
+} // namespace ClangTools