Clang: Add job queue for each document

...in preparation for follow-up changes. This will enable e.g. a timer
per document.

This does not change any behavior yet.

Change-Id: Ic1dc06de602373c666d47ce7a95ab99e56d389d5
Reviewed-by: David Schulz <david.schulz@qt.io>

src/tools/clangbackend/ipcsource/clangdocumentprocessor.cpp

@@ -0,0 +1,89 @@
+/****************************************************************************
+**
+** 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.
+**
+****************************************************************************/
+
+#include "clangdocumentprocessor.h"
+
+#include "clangjobs.h"
+
+#include "clangdocument.h"
+
+namespace ClangBackEnd {
+
+class DocumentProcessorData
+{
+public:
+    DocumentProcessorData(const Document &document,
+                          Documents &documents,
+                          UnsavedFiles &unsavedFiles,
+                          ProjectParts &projects,
+                          ClangCodeModelClientInterface &client)
+        : document(document)
+        , jobs(documents, unsavedFiles, projects, client)
+    {}
+
+public:
+    Document document;
+    Jobs jobs;
+};
+
+DocumentProcessor::DocumentProcessor(const Document &document,
+                                     Documents &documents,
+                                     UnsavedFiles &unsavedFiles,
+                                     ProjectParts &projects,
+                                     ClangCodeModelClientInterface &client)
+    : d(std::make_shared<DocumentProcessorData>(document,
+                                                documents,
+                                                unsavedFiles,
+                                                projects,
+                                                client))
+{
+}
+
+void DocumentProcessor::addJob(const JobRequest &jobRequest)
+{
+    d->jobs.add(jobRequest);
+}
+
+JobRequests DocumentProcessor::process()
+{
+    return d->jobs.process();
+}
+
+Document DocumentProcessor::document() const
+{
+    return d->document;
+}
+
+QList<Jobs::RunningJob> DocumentProcessor::runningJobs() const
+{
+    return d->jobs.runningJobs();
+}
+
+int DocumentProcessor::queueSize() const
+{
+    return d->jobs.queue().size();
+}
+
+} // namespace ClangBackEnd