Clang: Rename CodeModelBackEnd in ClangBackEnd

Change-Id: I13e8a458634110456375956d4d4da7239c86957f
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>

src/plugins/clangcodemodel/clangbackendipcintegration.h

@@ -0,0 +1,157 @@
+/****************************************************************************
+**
+** Copyright (C) 2015 The Qt Company Ltd.
+** Contact: http://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 http://www.qt.io/terms-conditions.  For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+#ifndef CLANGCODEMODEL_INTERNAL_CLANGBACKENDIPCINTEGRATION_H
+#define CLANGCODEMODEL_INTERNAL_CLANGBACKENDIPCINTEGRATION_H
+
+#include <cpptools/cppprojects.h>
+
+#include <clangbackendipc/connectionclient.h>
+#include <clangbackendipc/filecontainer.h>
+#include <clangbackendipc/ipcclientinterface.h>
+#include <clangbackendipc/projectpartcontainer.h>
+
+#include <QObject>
+#include <QSharedPointer>
+#include <QVector>
+
+namespace Core {
+class IEditor;
+class IDocument;
+}
+
+namespace TextEditor {
+class TextEditorWidget;
+}
+
+namespace ClangCodeModel {
+namespace Internal {
+
+class ModelManagerSupportClang;
+
+class ClangCompletionAssistProcessor;
+
+class IpcReceiver : public ClangBackEnd::IpcClientInterface
+{
+public:
+    IpcReceiver();
+    ~IpcReceiver();
+
+    using AliveHandler = std::function<void ()>;
+    void setAliveHandler(const AliveHandler &handler);
+
+    void addExpectedCodeCompletedCommand(quint64 ticket, ClangCompletionAssistProcessor *processor);
+    void deleteAndClearWaitingAssistProcessors();
+    void deleteProcessorsOfEditorWidget(TextEditor::TextEditorWidget *textEditorWidget);
+
+private:
+    void alive() override;
+    void echo(const ClangBackEnd::EchoCommand &command) override;
+    void codeCompleted(const ClangBackEnd::CodeCompletedCommand &command) override;
+
+    void translationUnitDoesNotExist(const ClangBackEnd::TranslationUnitDoesNotExistCommand &command) override;
+    void projectPartsDoNotExist(const ClangBackEnd::ProjectPartsDoNotExistCommand &command) override;
+
+private:
+    AliveHandler m_aliveHandler;
+    QHash<quint64, ClangCompletionAssistProcessor *> m_assistProcessorsTable;
+};
+
+class IpcSenderInterface
+{
+public:
+    virtual ~IpcSenderInterface() {}
+
+    virtual void end() = 0;
+    virtual void registerTranslationUnitsForCodeCompletion(const ClangBackEnd::RegisterTranslationUnitForCodeCompletionCommand &command) = 0;
+    virtual void unregisterTranslationUnitsForCodeCompletion(const ClangBackEnd::UnregisterTranslationUnitsForCodeCompletionCommand &command) = 0;
+    virtual void registerProjectPartsForCodeCompletion(const ClangBackEnd::RegisterProjectPartsForCodeCompletionCommand &command) = 0;
+    virtual void unregisterProjectPartsForCodeCompletion(const ClangBackEnd::UnregisterProjectPartsForCodeCompletionCommand &command) = 0;
+    virtual void completeCode(const ClangBackEnd::CompleteCodeCommand &command) = 0;
+};
+
+class IpcCommunicator : public QObject
+{
+    Q_OBJECT
+
+public:
+    using Ptr = QSharedPointer<IpcCommunicator>;
+    using FileContainers = QVector<ClangBackEnd::FileContainer>;
+    using ProjectPartContainers = QVector<ClangBackEnd::ProjectPartContainer>;
+
+public:
+    IpcCommunicator();
+
+    void registerFilesForCodeCompletion(const FileContainers &fileContainers);
+    void unregisterFilesForCodeCompletion(const FileContainers &fileContainers);
+    void registerProjectPartsForCodeCompletion(const ProjectPartContainers &projectPartContainers);
+    void unregisterProjectPartsForCodeCompletion(const QStringList &filePaths);
+    void completeCode(ClangCompletionAssistProcessor *assistProcessor, const QString &filePath,
+                      quint32 line,
+                      quint32 column,
+                      const QString &projectFilePath);
+
+    void registerProjectsParts(const QList<CppTools::ProjectPart::Ptr> projectParts);
+
+    void updateUnsavedFileIfNotCurrentDocument(Core::IDocument *document);
+    void updateUnsavedFileFromCppEditorDocument(const QString &filePath);
+    void updateUnsavedFile(const QString &filePath, const QByteArray &contents);
+
+public: // for tests
+    IpcSenderInterface *setIpcSender(IpcSenderInterface *ipcSender);
+    void killBackendProcess();
+
+signals: // for tests
+    void backendReinitialized();
+
+private:
+    enum SendMode { RespectSendRequests, IgnoreSendRequests };
+
+    void initializeBackend();
+    void initializeBackendWithCurrentData();
+    void registerEmptyProjectForProjectLessFiles();
+    void registerCurrentProjectParts();
+    void registerCurrentUnsavedFiles();
+    void registerCurrrentCodeModelUiHeaders();
+
+    void onBackendRestarted();
+    void onEditorAboutToClose(Core::IEditor *editor);
+
+    IpcReceiver m_ipcReceiver;
+    ClangBackEnd::ConnectionClient m_connection;
+    QScopedPointer<IpcSenderInterface> m_ipcSender;
+
+    SendMode m_sendMode = RespectSendRequests;
+};
+
+} // namespace Internal
+} // namespace ClangCodeModel
+
+#endif // CLANGCODEMODEL_INTERNAL_CLANGBACKENDIPCINTEGRATION_H