ClangCodeModel: Move highlighting code into its own set of files

No functional changes.

Change-Id: If6e5da7e79bf39e564f0f38520ae088f76543642
Reviewed-by: David Schulz <david.schulz@qt.io>
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Qt CI Bot <qt_ci_bot@qt-project.org>

src/plugins/clangcodemodel/clangdsemantichighlighting.h

@@ -0,0 +1,57 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 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 <QFutureInterface>
+#include <QLoggingCategory>
+#include <QPointer>
+#include <QVersionNumber>
+
+namespace LanguageClient { class ExpandedSemanticToken; }
+namespace TextEditor {
+class HighlightingResult;
+class TextDocument;
+}
+namespace Utils { class FilePath; }
+
+namespace ClangCodeModel::Internal {
+class ClangdAstNode;
+class TaskTimer;
+Q_DECLARE_LOGGING_CATEGORY(clangdLogHighlight);
+
+void doSemanticHighlighting(
+        QFutureInterface<TextEditor::HighlightingResult> &future,
+        const Utils::FilePath &filePath,
+        const QList<LanguageClient::ExpandedSemanticToken> &tokens,
+        const QString &docContents,
+        const ClangdAstNode &ast,
+        const QPointer<TextEditor::TextDocument> &textDocument,
+        int docRevision,
+        const QVersionNumber &clangdVersion,
+        const TaskTimer &taskTimer
+        );
+
+} // namespace ClangCodeModel::Internal