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/****************************************************************************
**
** 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 "fulltokeninfo.h"
#include "tokenprocessor.h"

#include <clangsupport/codecompletion.h>

#include <clang-c/Index.h>

namespace ClangBackEnd {

class Cursor;
class DiagnosticContainer;
class DiagnosticSet;
class FollowSymbolResult;
class ReferencesResult;
class SkippedSourceRanges;
class SourceLocation;
class SourceRange;
class SourceRangeContainer;
class ToolTipInfo;
class TranslationUnitUpdateInput;
class TranslationUnitUpdateResult;
class UnsavedFiles;
class CommandLineArguments;

class TranslationUnit
{
public:
    TranslationUnit(const Utf8String &id,
                    const Utf8String &filePath,
                    CXIndex &cxIndex,
                    CXTranslationUnit &cxTranslationUnit);

    bool isNull() const;

    Utf8String id() const;

    Utf8String filePath() const;
    CXIndex &cxIndex() const;
    CXTranslationUnit &cxTranslationUnit() const;

    bool suspend() const;

    TranslationUnitUpdateResult update(const TranslationUnitUpdateInput &parseInput) const;
    TranslationUnitUpdateResult parse(const TranslationUnitUpdateInput &parseInput) const;
    TranslationUnitUpdateResult reparse(const TranslationUnitUpdateInput &parseInput) const;

    CodeCompletions complete(UnsavedFiles &unsavedFiles, uint line, uint column,
                             int funcNameStartLine, int funcNameStartColumn) const;

    void extractDiagnostics(DiagnosticContainer &firstHeaderErrorDiagnostic,
                            QVector<DiagnosticContainer> &mainFileDiagnostics) const;
    void extractAnnotations(DiagnosticContainer &firstHeaderErrorDiagnostic,
                            QVector<DiagnosticContainer> &mainFileDiagnostics,
                            QVector<TokenInfoContainer> &tokenInfos,
                            QVector<SourceRangeContainer> &skippedSourceRanges) const;

    ReferencesResult references(uint line, uint column, bool localReferences = false) const;
    ToolTipInfo tooltip(UnsavedFiles &unsavedFiles,
                        const Utf8String &textCodecName,
                        uint line,
                        uint column) const;
    DiagnosticSet diagnostics() const;

    SourceLocation sourceLocationAt(uint line, uint column) const;
    SourceLocation sourceLocationAt(const Utf8String &filePath, uint line, uint column) const;
    SourceRange sourceRange(uint fromLine, uint fromColumn, uint toLine, uint toColumn) const;

    Cursor cursorAt(uint line, uint column) const;
    Cursor cursorAt(const Utf8String &filePath, uint line, uint column) const;
    Cursor cursor() const;

    TokenProcessor<TokenInfo> tokenInfos() const;
    TokenProcessor<TokenInfo> tokenInfosInRange(const SourceRange &range) const;

    TokenProcessor<FullTokenInfo> fullTokenInfos() const;
    TokenProcessor<FullTokenInfo> fullTokenInfosInRange(const SourceRange &range) const;

    SkippedSourceRanges skippedSourceRanges() const;
    FollowSymbolResult followSymbol(uint line, uint column) const;

private:
    const Utf8String m_id;
    const Utf8String m_filePath;
    CXIndex &m_cxIndex;
    CXTranslationUnit &m_cxTranslationUnit;
};

} // namespace ClangBackEnd