cppmodelmanager.cpp 41.5 KB
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/****************************************************************************
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**
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** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
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** Contact: http://www.qt-project.org/legal
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**
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** This file is part of Qt Creator.
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**
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** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
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****************************************************************************/
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#include "cppmodelmanager.h"
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#include "builtinindexingsupport.h"
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#include "cppcompletionassist.h"
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#include "cpphighlightingsupport.h"
#include "cpphighlightingsupportinternal.h"
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#include "cppindexingsupport.h"
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#include "abstracteditorsupport.h"
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#include "cpptoolseditorsupport.h"
#include "cppfindreferences.h"
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#include <coreplugin/icore.h>
#include <coreplugin/progressmanager/progressmanager.h>
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#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/session.h>
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#include <extensionsystem/pluginmanager.h>
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#include <utils/hostosinfo.h>
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#include <utils/qtcassert.h>
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#include <QCoreApplication>
#include <QDebug>
#include <QMutexLocker>
#include <QTimer>
#include <QTextBlock>
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#include <functional>
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#include <iostream>
#include <sstream>
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namespace CppTools {
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uint qHash(const ProjectPart &p)
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{
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    uint h = qHash(p.defines) ^ p.cVersion ^ p.cxxVersion ^ p.cxxExtensions ^ p.qtVersion;
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    foreach (const QString &i, p.includePaths)
        h ^= qHash(i);

    foreach (const QString &f, p.frameworkPaths)
        h ^= qHash(f);

    return h;
}
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bool operator==(const ProjectPart &p1,
                const ProjectPart &p2)
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{
    if (p1.defines != p2.defines)
        return false;
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    if (p1.cVersion != p2.cVersion)
        return false;
    if (p1.cxxVersion != p2.cxxVersion)
        return false;
    if (p1.cxxExtensions != p2.cxxExtensions)
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        return false;
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    if (p1.qtVersion!= p2.qtVersion)
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        return false;
    if (p1.includePaths != p2.includePaths)
        return false;
    return p1.frameworkPaths == p2.frameworkPaths;
}
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} // namespace CppTools
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using namespace CppTools;
using namespace CppTools::Internal;
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using namespace CPlusPlus;

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#if defined(QTCREATOR_WITH_DUMP_AST) && defined(Q_CC_GNU)

#include <cxxabi.h>

class DumpAST: protected ASTVisitor
{
public:
    int depth;

    DumpAST(Control *control)
        : ASTVisitor(control), depth(0)
    { }

    void operator()(AST *ast)
    { accept(ast); }

protected:
    virtual bool preVisit(AST *ast)
    {
        std::ostringstream s;
        PrettyPrinter pp(control(), s);
        pp(ast);
        QString code = QString::fromStdString(s.str());
        code.replace('\n', ' ');
        code.replace(QRegExp("\\s+"), " ");

        const char *name = abi::__cxa_demangle(typeid(*ast).name(), 0, 0, 0) + 11;

        QByteArray ind(depth, ' ');
        ind += name;

        printf("%-40s %s\n", ind.constData(), qPrintable(code));
        ++depth;
        return true;
    }

    virtual void postVisit(AST *)
    { --depth; }
};

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#endif // QTCREATOR_WITH_DUMP_AST
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static const char pp_configuration[] =
    "# 1 \"<configuration>\"\n"
    "#define __cplusplus 1\n"
    "#define __extension__\n"
    "#define __context__\n"
    "#define __range__\n"
    "#define   restrict\n"
    "#define __restrict\n"
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    "#define __restrict__\n"
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    "#define __complex__\n"
    "#define __imag__\n"
    "#define __real__\n"

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    "#define __builtin_va_arg(a,b) ((b)0)\n"

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    // ### add macros for win32
    "#define __cdecl\n"
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    "#define __stdcall\n"
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    "#define QT_WA(x) x\n"
    "#define CALLBACK\n"
    "#define STDMETHODCALLTYPE\n"
    "#define __RPC_FAR\n"
    "#define __declspec(a)\n"
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    "#define STDMETHOD(method) virtual HRESULT STDMETHODCALLTYPE method\n"
    "#define __try try\n"
    "#define __except catch\n"
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    "#define __finally\n"
    "#define __inline inline\n"
    "#define __forceinline inline\n";
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CppPreprocessor::CppPreprocessor(QPointer<CppModelManager> modelManager, bool dumpFileNameWhileParsing)
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    : m_snapshot(modelManager->snapshot()),
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      m_modelManager(modelManager),
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      m_dumpFileNameWhileParsing(dumpFileNameWhileParsing),
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      m_preprocess(this, &m_env),
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      m_revision(0)
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{
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    m_preprocess.setKeepComments(true);
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}
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CppPreprocessor::~CppPreprocessor()
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{ }
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void CppPreprocessor::setRevision(unsigned revision)
{ m_revision = revision; }

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void CppPreprocessor::setWorkingCopy(const CppModelManagerInterface::WorkingCopy &workingCopy)
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{ m_workingCopy = workingCopy; }
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void CppPreprocessor::setIncludePaths(const QStringList &includePaths)
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{
    m_includePaths.clear();

    for (int i = 0; i < includePaths.size(); ++i) {
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        const QString &path = includePaths.at(i);
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        if (Utils::HostOsInfo::isMacHost()) {
            if (i + 1 < includePaths.size() && path.endsWith(QLatin1String(".framework/Headers"))) {
                const QFileInfo pathInfo(path);
                const QFileInfo frameworkFileInfo(pathInfo.path());
                const QString frameworkName = frameworkFileInfo.baseName();

                const QFileInfo nextIncludePath = includePaths.at(i + 1);
                if (nextIncludePath.fileName() == frameworkName) {
                    // We got a QtXXX.framework/Headers followed by $QTDIR/include/QtXXX.
                    // In this case we prefer to include files from $QTDIR/include/QtXXX.
                    continue;
                }
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            }
        }
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        m_includePaths.append(cleanPath(path));
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    }
}
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void CppPreprocessor::setFrameworkPaths(const QStringList &frameworkPaths)
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{
    m_frameworkPaths.clear();

    foreach (const QString &frameworkPath, frameworkPaths) {
        addFrameworkPath(frameworkPath);
    }
}

// Add the given framework path, and expand private frameworks.
//
// Example:
//  <framework-path>/ApplicationServices.framework
// has private frameworks in:
//  <framework-path>/ApplicationServices.framework/Frameworks
// if the "Frameworks" folder exists inside the top level framework.
void CppPreprocessor::addFrameworkPath(const QString &frameworkPath)
{
    // The algorithm below is a bit too eager, but that's because we're not getting
    // in the frameworks we're linking against. If we would have that, then we could
    // add only those private frameworks.
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    QString cleanFrameworkPath = cleanPath(frameworkPath);
    if (!m_frameworkPaths.contains(cleanFrameworkPath))
        m_frameworkPaths.append(cleanFrameworkPath);
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    const QDir frameworkDir(cleanFrameworkPath);
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    const QStringList filter = QStringList() << QLatin1String("*.framework");
    foreach (const QFileInfo &framework, frameworkDir.entryInfoList(filter)) {
        if (!framework.isDir())
            continue;
        const QFileInfo privateFrameworks(framework.absoluteFilePath(), QLatin1String("Frameworks"));
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        if (privateFrameworks.exists() && privateFrameworks.isDir())
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            addFrameworkPath(privateFrameworks.absoluteFilePath());
    }
}
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void CppPreprocessor::setTodo(const QStringList &files)
{ m_todo = QSet<QString>::fromList(files); }

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namespace {
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class Process: public std::unary_function<Document::Ptr, void>
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{
    QPointer<CppModelManager> _modelManager;
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    Document::Ptr _doc;
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    Document::CheckMode _mode;
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public:
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    Process(QPointer<CppModelManager> modelManager,
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            Document::Ptr doc,
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            const CppModelManager::WorkingCopy &workingCopy)
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        : _modelManager(modelManager),
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          _doc(doc),
          _mode(Document::FastCheck)
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    {
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        if (workingCopy.contains(_doc->fileName()))
            _mode = Document::FullCheck;
    }
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    void operator()()
    {
        _doc->check(_mode);
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        if (_modelManager)
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            _modelManager->emitDocumentUpdated(_doc);
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        _doc->releaseSourceAndAST();
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    }
};
} // end of anonymous namespace

void CppPreprocessor::run(const QString &fileName)
{
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    sourceNeeded(0, fileName, IncludeGlobal);
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}
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void CppPreprocessor::removeFromCache(const QString &fileName)
{
    m_snapshot.remove(fileName);
}

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void CppPreprocessor::resetEnvironment()
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{
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    m_env.reset();
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    m_processed.clear();
}
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void CppPreprocessor::getFileContents(const QString &absoluteFilePath,
                                      QString *contents,
                                      unsigned *revision) const
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{
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    if (absoluteFilePath.isEmpty())
        return;
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    if (m_workingCopy.contains(absoluteFilePath)) {
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        QPair<QString, unsigned> entry = m_workingCopy.get(absoluteFilePath);
        if (contents)
            *contents = entry.first;
        if (revision)
            *revision = entry.second;
        return;
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    }

    QFile file(absoluteFilePath);
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    if (file.open(QFile::ReadOnly | QFile::Text)) {
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        QTextCodec *defaultCodec = Core::EditorManager::instance()->defaultTextCodec();
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        QTextStream stream(&file);
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        stream.setCodec(defaultCodec);
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        if (contents)
            *contents = stream.readAll();
        if (revision)
            *revision = 0;
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        file.close();
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    }
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}

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bool CppPreprocessor::checkFile(const QString &absoluteFilePath) const
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{
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    if (absoluteFilePath.isEmpty() || m_included.contains(absoluteFilePath))
        return true;
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    QFileInfo fileInfo(absoluteFilePath);
    return fileInfo.isFile() && fileInfo.isReadable();
}
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/// Resolve the given file name to its absolute path w.r.t. the include type.
QString CppPreprocessor::resolveFile(const QString &fileName, IncludeType type)
{
    if (type == IncludeGlobal) {
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        QHash<QString, QString>::ConstIterator it = m_fileNameCache.find(fileName);
        if (it != m_fileNameCache.end())
            return it.value();
        const QString fn = resolveFile_helper(fileName, type);
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        m_fileNameCache.insert(fileName, fn);
        return fn;
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    }

    // IncludeLocal, IncludeNext
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    return resolveFile_helper(fileName, type);
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}

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QString CppPreprocessor::cleanPath(const QString &path)
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{
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    QString result = QDir::cleanPath(path);
    const QChar slash(QLatin1Char('/'));
    if (!result.endsWith(slash))
        result.append(slash);
    return result;
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}

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QString CppPreprocessor::resolveFile_helper(const QString &fileName, IncludeType type)
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{
    QFileInfo fileInfo(fileName);
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    if (fileName == Preprocessor::configurationFileName || fileInfo.isAbsolute())
        return fileName;
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    if (type == IncludeLocal && m_currentDoc) {
        QFileInfo currentFileInfo(m_currentDoc->fileName());
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        QString path = cleanPath(currentFileInfo.absolutePath()) + fileName;
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        if (checkFile(path))
            return path;
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    }
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    foreach (const QString &includePath, m_includePaths) {
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        QString path = includePath + fileName;
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        if (checkFile(path))
            return path;
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    }

    int index = fileName.indexOf(QLatin1Char('/'));
    if (index != -1) {
        QString frameworkName = fileName.left(index);
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        QString name = frameworkName + QLatin1String(".framework/Headers/") + fileName.mid(index + 1);
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        foreach (const QString &frameworkPath, m_frameworkPaths) {
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            QString path = frameworkPath + name;
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            if (checkFile(path))
                return path;
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        }
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    }
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    //qDebug() << "**** file" << fileName << "not found!";
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    return QString();
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}
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void CppPreprocessor::macroAdded(const Macro &macro)
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{
    if (! m_currentDoc)
        return;
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    m_currentDoc->appendMacro(macro);
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}
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static inline const Macro revision(const CppModelManagerInterface::WorkingCopy &s, const Macro &macro)
{
    Macro newMacro(macro);
    newMacro.setFileRevision(s.get(macro.fileName()).second);
    return newMacro;
}

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void CppPreprocessor::passedMacroDefinitionCheck(unsigned offset, unsigned line, const Macro &macro)
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{
    if (! m_currentDoc)
        return;

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    m_currentDoc->addMacroUse(revision(m_workingCopy, macro), offset, macro.name().length(), line,
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                              QVector<MacroArgumentReference>());
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}

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void CppPreprocessor::failedMacroDefinitionCheck(unsigned offset, const ByteArrayRef &name)
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{
    if (! m_currentDoc)
        return;

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    m_currentDoc->addUndefinedMacroUse(QByteArray(name.start(), name.size()), offset);
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}

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void CppPreprocessor::notifyMacroReference(unsigned offset, unsigned line, const Macro &macro)
{
    if (! m_currentDoc)
        return;

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    m_currentDoc->addMacroUse(revision(m_workingCopy, macro), offset, macro.name().length(), line,
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                              QVector<MacroArgumentReference>());
}

void CppPreprocessor::startExpandingMacro(unsigned offset, unsigned line,
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                                          const Macro &macro,
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                                          const QVector<MacroArgumentReference> &actuals)
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{
    if (! m_currentDoc)
        return;
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    m_currentDoc->addMacroUse(revision(m_workingCopy, macro), offset, macro.name().length(), line, actuals);
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}
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void CppPreprocessor::stopExpandingMacro(unsigned, const Macro &)
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{
    if (! m_currentDoc)
        return;
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    //qDebug() << "stop expanding:" << macro.name;
}
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void CppPreprocessor::markAsIncludeGuard(const QByteArray &macroName)
{
    if (!m_currentDoc)
        return;

    m_currentDoc->setIncludeGuardMacroName(macroName);
}

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void CppPreprocessor::mergeEnvironment(Document::Ptr doc)
{
    if (! doc)
        return;
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    const QString fn = doc->fileName();
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    if (m_processed.contains(fn))
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        return;
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    m_processed.insert(fn);
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    foreach (const Document::Include &incl, doc->includes()) {
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        QString includedFile = incl.fileName();

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        if (Document::Ptr includedDoc = m_snapshot.document(includedFile))
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            mergeEnvironment(includedDoc);
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        else
            run(includedFile);
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    }
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    m_env.addMacros(doc->definedMacros());
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}
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void CppPreprocessor::startSkippingBlocks(unsigned offset)
{
    //qDebug() << "start skipping blocks:" << offset;
    if (m_currentDoc)
        m_currentDoc->startSkippingBlocks(offset);
}

void CppPreprocessor::stopSkippingBlocks(unsigned offset)
{
    //qDebug() << "stop skipping blocks:" << offset;
    if (m_currentDoc)
        m_currentDoc->stopSkippingBlocks(offset);
}

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void CppPreprocessor::sourceNeeded(unsigned line, const QString &fileName, IncludeType type)
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{
    if (fileName.isEmpty())
        return;

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    QString absoluteFileName = resolveFile(fileName, type);
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    absoluteFileName = QDir::cleanPath(absoluteFileName);
    if (m_currentDoc && !absoluteFileName.isEmpty())
        m_currentDoc->addIncludeFile(absoluteFileName, line);
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    if (m_included.contains(absoluteFileName))
        return; // we've already seen this file.
    m_included.insert(absoluteFileName);

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    unsigned editorRevision = 0;
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    QString contents;
    getFileContents(absoluteFileName, &contents, &editorRevision);
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    if (m_currentDoc) {
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        if (contents.isEmpty() && ! QFileInfo(absoluteFileName).isAbsolute()) {
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            QString msg = QCoreApplication::translate(
                    "CppPreprocessor", "%1: No such file or directory").arg(fileName);
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            Document::DiagnosticMessage d(Document::DiagnosticMessage::Warning,
                                          m_currentDoc->fileName(),
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                                          line, /*column = */ 0,
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                                          msg);
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            m_currentDoc->addDiagnosticMessage(d);
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            //qWarning() << "file not found:" << fileName << m_currentDoc->fileName() << env.current_line;
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            return;
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        }
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    }
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    if (m_dumpFileNameWhileParsing) {
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        qDebug() << "Parsing file:" << absoluteFileName
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//             << "contents:" << contents.size()
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                    ;
    }
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    Document::Ptr doc = m_snapshot.document(absoluteFileName);
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    if (doc) {
        mergeEnvironment(doc);
        return;
    }
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    doc = Document::create(absoluteFileName);
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    doc->setRevision(m_revision);
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    doc->setEditorRevision(editorRevision);
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    QFileInfo info(absoluteFileName);
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    if (info.exists())
        doc->setLastModified(info.lastModified());

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    Document::Ptr previousDoc = switchDocument(doc);
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    const QByteArray preprocessedCode = m_preprocess.run(absoluteFileName, contents);
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//    { QByteArray b(preprocessedCode); b.replace("\n", "<<<\n"); qDebug("Preprocessed code for \"%s\": [[%s]]", fileName.toUtf8().constData(), b.constData()); }

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    doc->setUtf8Source(preprocessedCode);
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    doc->keepSourceAndAST();
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    doc->tokenize();
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    m_snapshot.insert(doc);
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    m_todo.remove(absoluteFileName);
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    Process process(m_modelManager, doc, m_workingCopy);
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    process();
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    (void) switchDocument(previousDoc);
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}
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Document::Ptr CppPreprocessor::switchDocument(Document::Ptr doc)
{
    Document::Ptr previousDoc = m_currentDoc;
    m_currentDoc = doc;
    return previousDoc;
}
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void CppModelManager::updateModifiedSourceFiles()
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{
    const Snapshot snapshot = this->snapshot();
    QStringList sourceFiles;

    foreach (const Document::Ptr doc, snapshot) {
        const QDateTime lastModified = doc->lastModified();

        if (! lastModified.isNull()) {
            QFileInfo fileInfo(doc->fileName());

            if (fileInfo.exists() && fileInfo.lastModified() != lastModified)
                sourceFiles.append(doc->fileName());
        }
    }

    updateSourceFiles(sourceFiles);
}

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/*!
    \class CppTools::CppModelManager
    \brief The CppModelManager keeps track of one CppCodeModel instance
           for each project and all related CppCodeModelPart instances.

    It also takes care of updating the code models when C++ files are
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    modified within Qt Creator.
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*/

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QMutex CppModelManager::m_modelManagerMutex;
CppModelManager *CppModelManager::m_modelManagerInstance = 0;

CppModelManager *CppModelManager::instance()
{
    if (m_modelManagerInstance)
        return m_modelManagerInstance;
    QMutexLocker locker(&m_modelManagerMutex);
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    if (!m_modelManagerInstance)
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        m_modelManagerInstance = new CppModelManager;
    return m_modelManagerInstance;
}

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CppModelManager::CppModelManager(QObject *parent)
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    : CppModelManagerInterface(parent)
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    , m_completionAssistProvider(0)
    , m_highlightingFactory(0)
    , m_indexingSupporter(0)
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{
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    m_findReferences = new CppFindReferences(this);
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    m_indexerEnabled = qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull();
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    m_dirty = true;

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    ProjectExplorer::ProjectExplorerPlugin *pe =
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       ProjectExplorer::ProjectExplorerPlugin::instance();
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    QTC_ASSERT(pe, return);
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    ProjectExplorer::SessionManager *session = pe->session();
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    m_updateEditorSelectionsTimer = new QTimer(this);
    m_updateEditorSelectionsTimer->setInterval(500);
    m_updateEditorSelectionsTimer->setSingleShot(true);
    connect(m_updateEditorSelectionsTimer, SIGNAL(timeout()),
            this, SLOT(updateEditorSelections()));

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    connect(session, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(onProjectAdded(ProjectExplorer::Project*)));

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    connect(session, SIGNAL(aboutToRemoveProject(ProjectExplorer::Project*)),
            this, SLOT(onAboutToRemoveProject(ProjectExplorer::Project*)));
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    connect(session, SIGNAL(aboutToUnloadSession(QString)),
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            this, SLOT(onAboutToUnloadSession()));
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    qRegisterMetaType<CPlusPlus::Document::Ptr>("CPlusPlus::Document::Ptr");

    // thread connections
    connect(this, SIGNAL(documentUpdated(CPlusPlus::Document::Ptr)),
            this, SLOT(onDocumentUpdated(CPlusPlus::Document::Ptr)));
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    connect(this, SIGNAL(extraDiagnosticsUpdated(QString)),
            this, SLOT(onExtraDiagnosticsUpdated(QString)));
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    // Listen for editor closed and opened events so that we can keep track of changing files
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    connect(Core::ICore::editorManager(), SIGNAL(editorOpened(Core::IEditor*)),
        this, SLOT(editorOpened(Core::IEditor*)));
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    connect(Core::ICore::editorManager(), SIGNAL(editorAboutToClose(Core::IEditor*)),
        this, SLOT(editorAboutToClose(Core::IEditor*)));
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    m_completionFallback = new InternalCompletionAssistProvider;
    m_completionAssistProvider = m_completionFallback;
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    ExtensionSystem::PluginManager::addObject(m_completionAssistProvider);
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    m_highlightingFallback = new CppHighlightingSupportInternalFactory;
    m_highlightingFactory = m_highlightingFallback;
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    m_internalIndexingSupport = new BuiltinIndexingSupport;
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}

CppModelManager::~CppModelManager()
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{
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    ExtensionSystem::PluginManager::removeObject(m_completionAssistProvider);
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    delete m_completionFallback;
    delete m_highlightingFallback;
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    delete m_internalIndexingSupport;
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}
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Snapshot CppModelManager::snapshot() const
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{
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    QMutexLocker locker(&m_protectSnapshot);
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    return m_snapshot;
}
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Document::Ptr CppModelManager::document(const QString &fileName) const
{
    QMutexLocker locker(&m_protectSnapshot);
    return m_snapshot.document(fileName);
}

/// Replace the document in the snapshot.
///
/// \returns true if successful, false if the new document is out-dated.
bool CppModelManager::replaceDocument(Document::Ptr newDoc)
{
    QMutexLocker locker(&m_protectSnapshot);

    Document::Ptr previous = m_snapshot.document(newDoc->fileName());
    if (previous && (newDoc->revision() != 0 && newDoc->revision() < previous->revision()))
        // the new document is outdated
        return false;

    m_snapshot.insert(newDoc);
    return true;
}

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void CppModelManager::ensureUpdated()
{
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    QMutexLocker locker(&m_mutex);
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    if (! m_dirty)
        return;

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    m_projectFiles = internalProjectFiles();
    m_includePaths = internalIncludePaths();
    m_frameworkPaths = internalFrameworkPaths();
    m_definedMacros = internalDefinedMacros();
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    m_dirty = false;
}

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QStringList CppModelManager::internalProjectFiles() const
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{
    QStringList files;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
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        foreach (const ProjectPart::Ptr &part, pinfo.projectParts()) {
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            foreach (const ProjectFile &file, part->files)
                files += file.path;
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        }
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    }
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    files.removeDuplicates();
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    return files;
}

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QStringList CppModelManager::internalIncludePaths() const
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{
    QStringList includePaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
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        foreach (const ProjectPart::Ptr &part, pinfo.projectParts())
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            foreach (const QString &path, part->includePaths)
                includePaths.append(CppPreprocessor::cleanPath(path));
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    }
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    includePaths.removeDuplicates();
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    return includePaths;
}

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QStringList CppModelManager::internalFrameworkPaths() const
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{
    QStringList frameworkPaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
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        foreach (const ProjectPart::Ptr &part, pinfo.projectParts())
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            foreach (const QString &path, part->frameworkPaths)
                frameworkPaths.append(CppPreprocessor::cleanPath(path));
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    }
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    frameworkPaths.removeDuplicates();
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    return frameworkPaths;
}

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QByteArray CppModelManager::internalDefinedMacros() const
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{
    QByteArray macros;
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    QSet<QByteArray> alreadyIn;
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    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
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        foreach (const ProjectPart::Ptr &part, pinfo.projectParts()) {
            const QList<QByteArray> defs = part->defines.split('\n');
            foreach (const QByteArray &def, defs) {
                if (!alreadyIn.contains(def)) {
                    macros += def;
                    macros.append('\n');
                    alreadyIn.insert(def);
                }
            }
        }
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    }
    return macros;
}

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/// This method will aquire the mutex!
void CppModelManager::dumpModelManagerConfiguration()
{
    // Tons of debug output...
    qDebug()<<"========= CppModelManager::dumpModelManagerConfiguration ======";
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    foreach (const ProjectInfo &pinfo, m_projects) {
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        qDebug()<<" for project:"<< pinfo.project().data()->document()->fileName();
        foreach (const ProjectPart::Ptr &part, pinfo.projectParts()) {
            qDebug() << "=== part ===";
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            const char* cVersion;
            switch (part->cVersion) {
            case ProjectPart::C89: cVersion = "C89"; break;
            case ProjectPart::C99: cVersion = "C99"; break;
            case ProjectPart::C11: cVersion = "C11"; break;
            default: cVersion = "INVALID";
            }
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            const char* cxxVersion;
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            switch (part->cxxVersion) {
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            case ProjectPart::CXX98: cxxVersion = "CXX98"; break;
            case ProjectPart::CXX11: cxxVersion = "CXX11"; break;
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            default: cxxVersion = "INVALID";
            }
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            QStringList cxxExtensions;
            if (part->cxxExtensions & ProjectPart::GnuExtensions)
                cxxExtensions << QLatin1String("GnuExtensions");
            if (part->cxxExtensions & ProjectPart::MicrosoftExtensions)
                cxxExtensions << QLatin1String("MicrosoftExtensions");
            if (part->cxxExtensions & ProjectPart::BorlandExtensions)
                cxxExtensions << QLatin1String("BorlandExtensions");
            if (part->cxxExtensions & ProjectPart::OpenMP)
                cxxExtensions << QLatin1String("OpenMP");
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            qDebug() << "cVersion:" << cVersion;
            qDebug() << "cxxVersion:" << cxxVersion;
            qDebug() << "cxxExtensions:" << cxxExtensions;
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            qDebug() << "Qt version:" << part->qtVersion;
            qDebug() << "precompiled header:" << part->precompiledHeaders;
            qDebug() << "defines:" << part->defines;
            qDebug() << "includes:" << part->includePaths;
            qDebug() << "frameworkPaths:" << part->frameworkPaths;
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            qDebug() << "files:" << part->files;
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            qDebug() << "";
        }
    }

    ensureUpdated();
    qDebug() << "=== Merged include paths ===";
    foreach (const QString &inc, m_includePaths)
        qDebug() << inc;
    qDebug() << "=== Merged framework paths ===";
    foreach (const QString &inc, m_frameworkPaths)
        qDebug() << inc;
    qDebug() << "=== Merged defined macros ===";
    qDebug() << m_definedMacros;
    qDebug()<<"========= End of dump ======";
}

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void CppModelManager::addEditorSupport(AbstractEditorSupport *editorSupport)
{
    m_addtionalEditorSupport.insert(editorSupport);
}

void CppModelManager::removeEditorSupport(AbstractEditorSupport *editorSupport)
{
    m_addtionalEditorSupport.remove(editorSupport);
}

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QList<int> CppModelManager::references(CPlusPlus::Symbol *symbol, const LookupContext &context)
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{
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    return m_findReferences->references(symbol, context);
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}

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void CppModelManager::findUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context)
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{
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    if (symbol->identifier())
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        m_findReferences->findUsages(symbol, context);
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}

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void CppModelManager::renameUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context,
                                   const QString &replacement)
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{
    if (symbol->identifier())
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        m_findReferences->renameUsages(symbol, context, replacement);
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}

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void CppModelManager::findMacroUsages(const CPlusPlus::Macro &macro)
{
    m_findReferences->findMacroUses(macro);
}

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void CppModelManager::renameMacroUsages(const CPlusPlus::Macro &macro, const QString &replacement)
{
    m_findReferences->renameMacroUses(macro, replacement);
}

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void CppModelManager::replaceSnapshot(const CPlusPlus::Snapshot &newSnapshot)
{
    QMutexLocker snapshotLocker(&m_protectSnapshot);
    m_snapshot = newSnapshot;
}

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CppModelManager::WorkingCopy CppModelManager::buildWorkingCopyList()
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{
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    WorkingCopy workingCopy;
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    QMapIterator<TextEditor::ITextEditor *, CppEditorSupport *> it(m_editorSupport);
    while (it.hasNext()) {
        it.next();
        TextEditor::ITextEditor *textEditor = it.key();
        CppEditorSupport *editorSupport = it.value();
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        QString fileName = textEditor->document()->fileName();
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        workingCopy.insert(fileName, editorSupport->contents(), editorSupport->editorRevision());
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    }

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    QSetIterator<AbstractEditorSupport *> jt(m_addtionalEditorSupport);
    while (jt.hasNext()) {
        AbstractEditorSupport *es =  jt.next();
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        workingCopy.insert(es->fileName(), QString::fromUtf8(es->contents()));
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    }

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    // add the project configuration file
    QByteArray conf(pp_configuration);
    conf += definedMacros();
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    workingCopy.insert(configurationFileName(), QString::fromUtf8(conf));
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    return workingCopy;
}

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CppModelManager::WorkingCopy CppModelManager::workingCopy() const
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{
    return const_cast<CppModelManager *>(this)->buildWorkingCopyList();
}

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QFuture<void> CppModelManager::updateSourceFiles(const QStringList &sourceFiles)
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