cppmodelmanager.cpp 23.2 KB
Newer Older
hjk's avatar
hjk committed
1
/****************************************************************************
con's avatar
con committed
2
**
3
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
hjk's avatar
hjk committed
4
** Contact: http://www.qt-project.org/legal
con's avatar
con committed
5
**
hjk's avatar
hjk committed
6
** This file is part of Qt Creator.
con's avatar
con committed
7
**
hjk's avatar
hjk committed
8 9 10 11 12 13 14
** 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.
15
**
16
** GNU Lesser General Public License Usage
hjk's avatar
hjk committed
17 18 19 20 21 22 23 24 25
** 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
con's avatar
con committed
26 27
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
hjk's avatar
hjk committed
28
****************************************************************************/
hjk's avatar
hjk committed
29

con's avatar
con committed
30
#include "cppmodelmanager.h"
31 32
#include "cpppreprocessor.h"
#include "cpptoolsconstants.h"
33

34
#include "builtinindexingsupport.h"
35
#include "cppcompletionassist.h"
36 37
#include "cpphighlightingsupport.h"
#include "cpphighlightingsupportinternal.h"
38
#include "cppindexingsupport.h"
39
#include "abstracteditorsupport.h"
40 41
#include "cpptoolseditorsupport.h"
#include "cppfindreferences.h"
con's avatar
con committed
42

43 44
#include <coreplugin/icore.h>
#include <coreplugin/progressmanager/progressmanager.h>
45 46
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/session.h>
47

48
#include <extensionsystem/pluginmanager.h>
hjk's avatar
hjk committed
49
#include <utils/qtcassert.h>
con's avatar
con committed
50

51 52 53 54 55
#include <QCoreApplication>
#include <QDebug>
#include <QMutexLocker>
#include <QTimer>
#include <QTextBlock>
56

57 58
#if defined(QTCREATOR_WITH_DUMP_AST) && defined(Q_CC_GNU)
#define WITH_AST_DUMP
59 60
#include <iostream>
#include <sstream>
61
#endif
hjk's avatar
hjk committed
62

63
namespace CppTools {
64

65
uint qHash(const ProjectPart &p)
66
{
67
    uint h = qHash(p.defines) ^ p.cVersion ^ p.cxxVersion ^ p.cxxExtensions ^ p.qtVersion;
68 69 70 71 72 73 74 75 76

    foreach (const QString &i, p.includePaths)
        h ^= qHash(i);

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

    return h;
}
77

78 79
bool operator==(const ProjectPart &p1,
                const ProjectPart &p2)
80 81 82
{
    if (p1.defines != p2.defines)
        return false;
83 84 85 86 87
    if (p1.cVersion != p2.cVersion)
        return false;
    if (p1.cxxVersion != p2.cxxVersion)
        return false;
    if (p1.cxxExtensions != p2.cxxExtensions)
88
        return false;
89
    if (p1.qtVersion!= p2.qtVersion)
90 91 92 93 94
        return false;
    if (p1.includePaths != p2.includePaths)
        return false;
    return p1.frameworkPaths == p2.frameworkPaths;
}
95

96
} // namespace CppTools
97

98 99
using namespace CppTools;
using namespace CppTools::Internal;
con's avatar
con committed
100 101
using namespace CPlusPlus;

102
#ifdef WITH_AST_DUMP
103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141

#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; }
};

Roberto Raggi's avatar
Roberto Raggi committed
142
#endif // QTCREATOR_WITH_DUMP_AST
143

con's avatar
con committed
144 145
static const char pp_configuration[] =
    "# 1 \"<configuration>\"\n"
146
    "#define Q_CREATOR_RUN 1\n"
con's avatar
con committed
147 148 149 150 151 152
    "#define __cplusplus 1\n"
    "#define __extension__\n"
    "#define __context__\n"
    "#define __range__\n"
    "#define   restrict\n"
    "#define __restrict\n"
153
    "#define __restrict__\n"
con's avatar
con committed
154

155 156 157 158
    "#define __complex__\n"
    "#define __imag__\n"
    "#define __real__\n"

159 160
    "#define __builtin_va_arg(a,b) ((b)0)\n"

con's avatar
con committed
161 162
    // ### add macros for win32
    "#define __cdecl\n"
163
    "#define __stdcall\n"
con's avatar
con committed
164 165 166 167 168
    "#define QT_WA(x) x\n"
    "#define CALLBACK\n"
    "#define STDMETHODCALLTYPE\n"
    "#define __RPC_FAR\n"
    "#define __declspec(a)\n"
169 170 171
    "#define STDMETHOD(method) virtual HRESULT STDMETHODCALLTYPE method\n"
    "#define __try try\n"
    "#define __except catch\n"
172 173 174
    "#define __finally\n"
    "#define __inline inline\n"
    "#define __forceinline inline\n";
con's avatar
con committed
175

176
void CppModelManager::updateModifiedSourceFiles()
177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194
{
    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);
}

con's avatar
con committed
195 196 197 198 199 200
/*!
    \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
201
    modified within Qt Creator.
con's avatar
con committed
202 203
*/

204 205 206 207 208 209 210 211
QMutex CppModelManager::m_modelManagerMutex;
CppModelManager *CppModelManager::m_modelManagerInstance = 0;

CppModelManager *CppModelManager::instance()
{
    if (m_modelManagerInstance)
        return m_modelManagerInstance;
    QMutexLocker locker(&m_modelManagerMutex);
212
    if (!m_modelManagerInstance)
213 214 215 216
        m_modelManagerInstance = new CppModelManager;
    return m_modelManagerInstance;
}

217
CppModelManager::CppModelManager(QObject *parent)
218
    : CppModelManagerInterface(parent)
219
    , m_enableGC(true)
220 221 222
    , m_completionAssistProvider(0)
    , m_highlightingFactory(0)
    , m_indexingSupporter(0)
con's avatar
con committed
223
{
Roberto Raggi's avatar
Roberto Raggi committed
224
    m_findReferences = new CppFindReferences(this);
225
    m_indexerEnabled = qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull();
Roberto Raggi's avatar
Roberto Raggi committed
226

227 228
    m_dirty = true;

229
    ProjectExplorer::ProjectExplorerPlugin *pe =
230
       ProjectExplorer::ProjectExplorerPlugin::instance();
con's avatar
con committed
231

232
    QTC_ASSERT(pe, return);
con's avatar
con committed
233

234
    ProjectExplorer::SessionManager *session = pe->session();
235 236 237
    connect(session, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(onProjectAdded(ProjectExplorer::Project*)));

Robert Loehning's avatar
Robert Loehning committed
238 239
    connect(session, SIGNAL(aboutToRemoveProject(ProjectExplorer::Project*)),
            this, SLOT(onAboutToRemoveProject(ProjectExplorer::Project*)));
con's avatar
con committed
240

241
    connect(session, SIGNAL(aboutToUnloadSession(QString)),
242
            this, SLOT(onAboutToUnloadSession()));
con's avatar
con committed
243

244 245 246
    connect(Core::ICore::instance(), SIGNAL(coreAboutToClose()),
            this, SLOT(onCoreAboutToClose()));

con's avatar
con committed
247 248
    qRegisterMetaType<CPlusPlus::Document::Ptr>("CPlusPlus::Document::Ptr");

249 250
    m_completionFallback = new InternalCompletionAssistProvider;
    m_completionAssistProvider = m_completionFallback;
251
    ExtensionSystem::PluginManager::addObject(m_completionAssistProvider);
252 253
    m_highlightingFallback = new CppHighlightingSupportInternalFactory;
    m_highlightingFactory = m_highlightingFallback;
254
    m_internalIndexingSupport = new BuiltinIndexingSupport;
con's avatar
con committed
255 256 257
}

CppModelManager::~CppModelManager()
258
{
259
    ExtensionSystem::PluginManager::removeObject(m_completionAssistProvider);
260 261
    delete m_completionFallback;
    delete m_highlightingFallback;
262
    delete m_internalIndexingSupport;
263
}
con's avatar
con committed
264

265
Snapshot CppModelManager::snapshot() const
266
{
267
    QMutexLocker locker(&m_snapshotMutex);
268 269
    return m_snapshot;
}
con's avatar
con committed
270

271 272
Document::Ptr CppModelManager::document(const QString &fileName) const
{
273
    QMutexLocker locker(&m_snapshotMutex);
274 275 276 277 278 279 280 281
    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)
{
282
    QMutexLocker locker(&m_snapshotMutex);
283 284 285 286 287 288 289 290 291 292

    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;
}

293 294
void CppModelManager::ensureUpdated()
{
295
    QMutexLocker locker(&m_projectMutex);
296 297 298
    if (! m_dirty)
        return;

299 300 301 302
    m_projectFiles = internalProjectFiles();
    m_includePaths = internalIncludePaths();
    m_frameworkPaths = internalFrameworkPaths();
    m_definedMacros = internalDefinedMacros();
303 304 305
    m_dirty = false;
}

306
QStringList CppModelManager::internalProjectFiles() const
con's avatar
con committed
307 308 309 310 311 312
{
    QStringList files;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
313
        foreach (const ProjectPart::Ptr &part, pinfo.projectParts()) {
314 315
            foreach (const ProjectFile &file, part->files)
                files += file.path;
316
        }
con's avatar
con committed
317
    }
318
    files.removeDuplicates();
con's avatar
con committed
319 320 321
    return files;
}

322
QStringList CppModelManager::internalIncludePaths() const
con's avatar
con committed
323 324 325 326 327 328
{
    QStringList includePaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
329
        foreach (const ProjectPart::Ptr &part, pinfo.projectParts())
330 331
            foreach (const QString &path, part->includePaths)
                includePaths.append(CppPreprocessor::cleanPath(path));
con's avatar
con committed
332
    }
333
    includePaths.removeDuplicates();
con's avatar
con committed
334 335 336
    return includePaths;
}

337
QStringList CppModelManager::internalFrameworkPaths() const
con's avatar
con committed
338 339 340 341 342 343
{
    QStringList frameworkPaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
344
        foreach (const ProjectPart::Ptr &part, pinfo.projectParts())
345 346
            foreach (const QString &path, part->frameworkPaths)
                frameworkPaths.append(CppPreprocessor::cleanPath(path));
con's avatar
con committed
347
    }
348
    frameworkPaths.removeDuplicates();
con's avatar
con committed
349 350 351
    return frameworkPaths;
}

352
QByteArray CppModelManager::internalDefinedMacros() const
con's avatar
con committed
353 354
{
    QByteArray macros;
355
    QSet<QByteArray> alreadyIn;
con's avatar
con committed
356 357 358 359
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
360 361 362 363 364 365 366 367 368 369
        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);
                }
            }
        }
con's avatar
con committed
370 371 372 373
    }
    return macros;
}

374 375 376 377 378
/// This method will aquire the mutex!
void CppModelManager::dumpModelManagerConfiguration()
{
    // Tons of debug output...
    qDebug()<<"========= CppModelManager::dumpModelManagerConfiguration ======";
379
    foreach (const ProjectInfo &pinfo, m_projects) {
380 381 382
        qDebug()<<" for project:"<< pinfo.project().data()->document()->fileName();
        foreach (const ProjectPart::Ptr &part, pinfo.projectParts()) {
            qDebug() << "=== part ===";
383 384 385 386 387 388 389
            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";
            }
390
            const char* cxxVersion;
391
            switch (part->cxxVersion) {
392 393
            case ProjectPart::CXX98: cxxVersion = "CXX98"; break;
            case ProjectPart::CXX11: cxxVersion = "CXX11"; break;
394 395
            default: cxxVersion = "INVALID";
            }
396 397 398 399 400 401 402 403 404
            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");
405

406 407 408
            qDebug() << "cVersion:" << cVersion;
            qDebug() << "cxxVersion:" << cxxVersion;
            qDebug() << "cxxExtensions:" << cxxExtensions;
409 410 411 412 413
            qDebug() << "Qt version:" << part->qtVersion;
            qDebug() << "precompiled header:" << part->precompiledHeaders;
            qDebug() << "defines:" << part->defines;
            qDebug() << "includes:" << part->includePaths;
            qDebug() << "frameworkPaths:" << part->frameworkPaths;
414
            qDebug() << "files:" << part->files;
415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430
            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 ======";
}

431 432 433 434 435 436 437 438 439 440
void CppModelManager::addEditorSupport(AbstractEditorSupport *editorSupport)
{
    m_addtionalEditorSupport.insert(editorSupport);
}

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

441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456
/// \brief Returns the \c CppEditorSupport for the given text editor. It will
///        create one when none exists yet.
CppEditorSupport *CppModelManager::cppEditorSupport(TextEditor::BaseTextEditor *editor)
{
    Q_ASSERT(editor);

    QMutexLocker locker(&m_editorSupportMutex);

    CppEditorSupport *editorSupport = m_editorSupport.value(editor, 0);
    if (!editorSupport) {
        editorSupport = new CppEditorSupport(this, editor);
        m_editorSupport.insert(editor, editorSupport);
    }
    return editorSupport;
}

457
QList<int> CppModelManager::references(CPlusPlus::Symbol *symbol, const LookupContext &context)
458
{
459
    return m_findReferences->references(symbol, context);
460 461
}

462
void CppModelManager::findUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context)
Roberto Raggi's avatar
Roberto Raggi committed
463
{
464
    if (symbol->identifier())
465
        m_findReferences->findUsages(symbol, context);
466 467
}

468 469
void CppModelManager::renameUsages(CPlusPlus::Symbol *symbol, const CPlusPlus::LookupContext &context,
                                   const QString &replacement)
470 471
{
    if (symbol->identifier())
472
        m_findReferences->renameUsages(symbol, context, replacement);
Roberto Raggi's avatar
Roberto Raggi committed
473 474
}

Christian Kamm's avatar
Christian Kamm committed
475 476 477 478 479
void CppModelManager::findMacroUsages(const CPlusPlus::Macro &macro)
{
    m_findReferences->findMacroUses(macro);
}

480 481 482 483 484
void CppModelManager::renameMacroUsages(const CPlusPlus::Macro &macro, const QString &replacement)
{
    m_findReferences->renameMacroUses(macro, replacement);
}

485 486
void CppModelManager::replaceSnapshot(const CPlusPlus::Snapshot &newSnapshot)
{
487
    QMutexLocker snapshotLocker(&m_snapshotMutex);
488 489 490
    m_snapshot = newSnapshot;
}

491
CppModelManager::WorkingCopy CppModelManager::buildWorkingCopyList()
con's avatar
con committed
492
{
493 494 495 496 497 498 499
    QList<CppEditorSupport *> supporters;

    {
        QMutexLocker locker(&m_editorSupportMutex);
        supporters = m_editorSupport.values();
    }

500
    WorkingCopy workingCopy;
501 502 503
    foreach (const CppEditorSupport *editorSupport, supporters) {
        workingCopy.insert(editorSupport->fileName(), editorSupport->contents(),
                           editorSupport->editorRevision());
con's avatar
con committed
504 505
    }

506 507 508
    QSetIterator<AbstractEditorSupport *> jt(m_addtionalEditorSupport);
    while (jt.hasNext()) {
        AbstractEditorSupport *es =  jt.next();
509
        workingCopy.insert(es->fileName(), QString::fromUtf8(es->contents()));
510 511
    }

con's avatar
con committed
512 513 514
    // add the project configuration file
    QByteArray conf(pp_configuration);
    conf += definedMacros();
515
    workingCopy.insert(configurationFileName(), QString::fromUtf8(conf));
con's avatar
con committed
516 517 518 519

    return workingCopy;
}

520
CppModelManager::WorkingCopy CppModelManager::workingCopy() const
521 522 523 524
{
    return const_cast<CppModelManager *>(this)->buildWorkingCopyList();
}

dt's avatar
dt committed
525
QFuture<void> CppModelManager::updateSourceFiles(const QStringList &sourceFiles)
526 527 528 529
{
    if (sourceFiles.isEmpty() || !m_indexerEnabled)
        return QFuture<void>();

530 531
    if (m_indexingSupporter)
        m_indexingSupporter->refreshSourceFiles(sourceFiles);
532 533
    return m_internalIndexingSupport->refreshSourceFiles(sourceFiles);
}
con's avatar
con committed
534

535 536
QList<CppModelManager::ProjectInfo> CppModelManager::projectInfos() const
{
537
    QMutexLocker locker(&m_projectMutex);
538 539 540 541 542 543

    return m_projects.values();
}

CppModelManager::ProjectInfo CppModelManager::projectInfo(ProjectExplorer::Project *project) const
{
544
    QMutexLocker locker(&m_projectMutex);
545 546 547 548 549 550

    return m_projects.value(project, ProjectInfo(project));
}

void CppModelManager::updateProjectInfo(const ProjectInfo &pinfo)
{
551
    { // only hold the mutex for a limited scope, so the dumping afterwards can aquire it without deadlocking.
552
        QMutexLocker locker(&m_projectMutex);
553

554 555
        if (! pinfo.isValid())
            return;
556

557 558 559
        ProjectExplorer::Project *project = pinfo.project().data();
        m_projects.insert(project, pinfo);
        m_dirty = true;
560

561
        m_srcToProjectPart.clear();
562

563
        foreach (const ProjectInfo &projectInfo, m_projects) {
564
            foreach (const ProjectPart::Ptr &projectPart, projectInfo.projectParts()) {
565
                foreach (const ProjectFile &cxxFile, projectPart->files) {
566
                    m_srcToProjectPart[cxxFile.path].append(projectPart);
567 568 569 570
                    foreach (const QString &fileName, m_snapshot.allIncludesForDocument(cxxFile.path))
                        m_snapshot.remove(fileName);
                    m_snapshot.remove(cxxFile.path);
                }
571 572
            }
        }
573 574

        m_snapshot.remove(configurationFileName());
575
    }
576

577 578
    if (!qgetenv("QTCREATOR_DUMP_PROJECT_INFO").isEmpty())
        dumpModelManagerConfiguration();
579 580

    emit projectPartsUpdated(pinfo.project().data());
581 582
}

583
QList<ProjectPart::Ptr> CppModelManager::projectPart(const QString &fileName) const
584
{
585
    QList<ProjectPart::Ptr> parts = m_srcToProjectPart.value(fileName);
586 587 588 589 590 591 592 593 594 595 596 597 598
    if (!parts.isEmpty())
        return parts;

    DependencyTable table;
    table.build(snapshot());
    QStringList deps = table.filesDependingOn(fileName);
    foreach (const QString &dep, deps) {
        parts = m_srcToProjectPart.value(dep);
        if (!parts.isEmpty())
            return parts;
    }

    return parts;
599
}
con's avatar
con committed
600

601
/// \brief Removes the CppEditorSupport for the closed editor.
602
void CppModelManager::deleteEditorSupport(TextEditor::BaseTextEditor *textEditor)
con's avatar
con committed
603
{
604 605
    QTC_ASSERT(textEditor, return);

606 607 608
    if (!isCppEditor(textEditor))
        return;

609 610 611 612
    QMutexLocker locker(&m_editorSupportMutex);
    CppEditorSupport *editorSupport = m_editorSupport.value(textEditor, 0);
    m_editorSupport.remove(textEditor);
    delete editorSupport;
con's avatar
con committed
613 614 615 616
}

bool CppModelManager::isCppEditor(Core::IEditor *editor) const
{
617
    return editor->context().contains(ProjectExplorer::Constants::LANG_CXX);
con's avatar
con committed
618 619 620 621
}

void CppModelManager::emitDocumentUpdated(Document::Ptr doc)
{
622
    if (replaceDocument(doc))
623
        emit documentUpdated(doc);
Roberto Raggi's avatar
Roberto Raggi committed
624 625
}

626 627
void CppModelManager::onProjectAdded(ProjectExplorer::Project *)
{
628
    QMutexLocker locker(&m_projectMutex);
629 630 631
    m_dirty = true;
}

con's avatar
con committed
632 633
void CppModelManager::onAboutToRemoveProject(ProjectExplorer::Project *project)
{
634
    do {
635
        QMutexLocker locker(&m_projectMutex);
636 637 638 639
        m_dirty = true;
        m_projects.remove(project);
    } while (0);

con's avatar
con committed
640 641 642
    GC();
}

643
void CppModelManager::onAboutToUnloadSession()
con's avatar
con committed
644
{
645
    if (Core::ProgressManager *pm = Core::ICore::progressManager())
646
        pm->cancelTasks(QLatin1String(CppTools::Constants::TASK_INDEX));
647
    do {
648
        QMutexLocker locker(&m_projectMutex);
649 650 651 652 653
        m_projects.clear();
        m_dirty = true;
    } while (0);

    GC();
con's avatar
con committed
654 655
}

656 657 658 659 660
void CppModelManager::onCoreAboutToClose()
{
    m_enableGC = false;
}

con's avatar
con committed
661 662
void CppModelManager::GC()
{
663 664 665
    if (!m_enableGC)
        return;

666
    Snapshot currentSnapshot = snapshot();
con's avatar
con committed
667
    QSet<QString> processed;
668
    QStringList todo = projectFiles();
con's avatar
con committed
669 670 671 672 673 674 675 676 677 678

    while (! todo.isEmpty()) {
        QString fn = todo.last();
        todo.removeLast();

        if (processed.contains(fn))
            continue;

        processed.insert(fn);

679
        if (Document::Ptr doc = currentSnapshot.document(fn))
con's avatar
con committed
680 681 682 683
            todo += doc->includedFiles();
    }

    QStringList removedFiles;
684 685 686 687 688 689 690 691 692

    Snapshot newSnapshot;
    for (Snapshot::const_iterator it = currentSnapshot.begin(); it != currentSnapshot.end(); ++it) {
        const QString fileName = it.key();

        if (processed.contains(fileName))
            newSnapshot.insert(it.value());
        else
            removedFiles.append(fileName);
con's avatar
con committed
693 694 695
    }

    emit aboutToRemoveFiles(removedFiles);
696

697
    replaceSnapshot(newSnapshot);
con's avatar
con committed
698
}
699

700 701 702 703 704
void CppModelManager::finishedRefreshingSourceFiles(const QStringList &files)
{
    emit sourceFilesRefreshed(files);
}

705 706
CppCompletionSupport *CppModelManager::completionSupport(Core::IEditor *editor) const
{
707
    if (TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor))
708
        return m_completionAssistProvider->completionSupport(textEditor);
709 710 711 712
    else
        return 0;
}

713
void CppModelManager::setCppCompletionAssistProvider(CppCompletionAssistProvider *completionAssistProvider)
714
{
715
    ExtensionSystem::PluginManager::removeObject(m_completionAssistProvider);
716 717
    if (completionAssistProvider)
        m_completionAssistProvider = completionAssistProvider;
718
    else
719
        m_completionAssistProvider = m_completionFallback;
720
    ExtensionSystem::PluginManager::addObject(m_completionAssistProvider);
721 722
}

723 724
CppHighlightingSupport *CppModelManager::highlightingSupport(Core::IEditor *editor) const
{
725 726
    if (TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor))
        return m_highlightingFactory->highlightingSupport(textEditor);
727 728 729
    else
        return 0;
}
730

731 732 733 734 735 736 737 738
void CppModelManager::setHighlightingSupportFactory(CppHighlightingSupportFactory *highlightingFactory)
{
    if (highlightingFactory)
        m_highlightingFactory = highlightingFactory;
    else
        m_highlightingFactory = m_highlightingFallback;
}

739
void CppModelManager::setIndexingSupport(CppIndexingSupport *indexingSupport)
740 741
{
    if (indexingSupport)
742 743 744 745 746 747
        m_indexingSupporter = indexingSupport;
}

CppIndexingSupport *CppModelManager::indexingSupport()
{
    return m_indexingSupporter ? m_indexingSupporter : m_internalIndexingSupport;
748 749
}

750
void CppModelManager::setExtraDiagnostics(const QString &fileName, const QString &kind,
751 752
                                          const QList<Document::DiagnosticMessage> &diagnostics)
{
753 754
    QList<CppEditorSupport *> supporters;

755
    {
756 757
        QMutexLocker locker(&m_editorSupportMutex);
        supporters = m_editorSupport.values();
758 759
    }

760 761 762 763 764
    foreach (CppEditorSupport *supporter, supporters) {
        if (supporter->fileName() == fileName) {
            supporter->setExtraDiagnostics(kind, diagnostics);
            break;
        }
765 766
    }
}