Clang: Consolidate all ClangCompilerOptionsBuilder into one implementation

We used the same code in different but don't shared it. From a bug fixing
perspective it's actually not that smart.

Change-Id: Iaaffc883229e259ff77f95b5cf0a8f0d8b5117df
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@qt.io>

src/plugins/cpptools/clangcompileroptionsbuilder.h

@@ -0,0 +1,70 @@
+/****************************************************************************
+**
+** 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 "cpptools_global.h"
+
+#include <cpptools/compileroptionsbuilder.h>
+
+namespace CppTools {
+
+class CPPTOOLS_EXPORT ClangCompilerOptionsBuilder : public CompilerOptionsBuilder
+{
+public:
+    static QStringList build(const ProjectPart *projectPart,
+                             ProjectFile::Kind fileKind,
+                             PchUsage pchUsage,
+                             const QString &clangVersion,
+                             const QString &clangResourceDirectory);
+
+protected:
+    ClangCompilerOptionsBuilder(const ProjectPart &projectPart,
+                                const QString &clangVersion,
+                                const QString &clangResourceDirectory);
+
+    bool excludeHeaderPath(const QString &path) const override;
+
+    void addPredefinedMacrosAndHeaderPathsOptions();
+
+    void addPredefinedMacrosAndHeaderPathsOptionsForMsvc();
+
+    void addPredefinedMacrosAndHeaderPathsOptionsForNonMsvc();
+
+    void addWrappedQtHeadersIncludePath();
+
+    void addProjectConfigFileInclude();
+
+    void addExtraOptions();
+
+private:
+    QString clangIncludeDirectory() const;
+
+private:
+    QString m_clangVersion;
+    QString m_clangResourceDirectory;
+};
+
+} // namespace CppTools