Clang: Rename TranslationUnit(s) to Document(s)

The "TranslationUnit parts" moved already to TranslationUnitCore.

Change-Id: I2bea7847e2b3e84fbfacc3d2dc43f180873349ac
Reviewed-by: David Schulz <david.schulz@qt.io>

src/tools/clangbackend/ipcsource/clangdocument.h

@@ -0,0 +1,132 @@
+/****************************************************************************
+**
+** 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 "clangtranslationunitupdater.h"
+
+#include "clangtranslationunitcore.h"
+
+#include <utf8stringvector.h>
+
+#include <clang-c/Index.h>
+
+#include <QSet>
+#include <QtGlobal>
+
+#include <chrono>
+#include <memory>
+
+class Utf8String;
+
+namespace ClangBackEnd {
+
+class TranslationUnitCore;
+class DocumentData;
+class TranslationUnitUpdateResult;
+class ProjectPart;
+class FileContainer;
+class Documents;
+
+using time_point = std::chrono::steady_clock::time_point;
+
+class Document
+{
+public:
+    enum FileExistsCheck {
+        CheckIfFileExists,
+        DoNotCheckIfFileExists
+    };
+
+    Document() = default;
+    Document(const Utf8String &filePath,
+             const ProjectPart &projectPart,
+             const Utf8StringVector &fileArguments,
+             Documents &documents,
+             FileExistsCheck fileExistsCheck = CheckIfFileExists);
+    ~Document();
+
+    Document(const Document &cxTranslationUnit);
+    Document &operator=(const Document &cxTranslationUnit);
+
+    Document(Document &&cxTranslationUnit);
+    Document &operator=(Document &&cxTranslationUnit);
+
+    void reset();
+
+    bool isNull() const;
+    bool isIntact() const;
+
+    Utf8String filePath() const;
+    Utf8StringVector fileArguments() const;
+    FileContainer fileContainer() const;
+
+    Utf8String projectPartId() const;
+    const ProjectPart &projectPart() const;
+    const time_point lastProjectPartChangeTimePoint() const;
+    bool isProjectPartOutdated() const;
+
+    uint documentRevision() const;
+    void setDocumentRevision(uint revision);
+
+    bool isUsedByCurrentEditor() const;
+    void setIsUsedByCurrentEditor(bool isUsedByCurrentEditor);
+
+    bool isVisibleInEditor() const;
+    void setIsVisibleInEditor(bool isVisibleInEditor);
+
+    bool isNeedingReparse() const;
+    void setDirtyIfProjectPartIsOutdated();
+    void setDirtyIfDependencyIsMet(const Utf8String &filePath);
+
+    TranslationUnitUpdateInput createUpdateInput() const;
+    void incorporateUpdaterResult(const TranslationUnitUpdateResult &result) const;
+
+    TranslationUnitCore translationUnitCore() const;
+
+public: // for tests
+    void parse() const;
+    void reparse() const;
+    const QSet<Utf8String> dependedFilePaths() const;
+    TranslationUnitUpdater createUpdater() const;
+    void setHasParseOrReparseFailed(bool hasFailed);
+    time_point isNeededReparseChangeTimePoint() const;
+
+private:
+    void setDirty();
+
+    void checkIfNull() const;
+    void checkIfFileExists() const;
+
+    bool fileExists() const;
+    bool isMainFileAndExistsOrIsOtherFile(const Utf8String &filePath) const;
+
+private:
+    mutable std::shared_ptr<DocumentData> d;
+};
+
+bool operator==(const Document &first, const Document &second);
+void PrintTo(const Document &document, ::std::ostream *os);
+} // namespace ClangBackEnd