cppmodelmanager.cpp 26.6 KB
Newer Older
con's avatar
con committed
1 2 3 4 5 6 7 8
/***************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact:  Qt Software Information (qt-info@nokia.com)
**
9 10 11
**
** Non-Open Source Usage
**
con's avatar
con committed
12 13 14
** Licensees may use this file in accordance with the Qt Beta Version
** License Agreement, Agreement version 2.2 provided with the Software or,
** alternatively, in accordance with the terms contained in a written
15 16 17 18
** agreement between you and Nokia.
**
** GNU General Public License Usage
**
con's avatar
con committed
19 20 21 22 23 24 25 26 27 28
** Alternatively, this file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the packaging
** of this file.  Please review the following information to ensure GNU
** General Public Licensing requirements will be met:
**
** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
** http://www.gnu.org/copyleft/gpl.html.
**
** In addition, as a special exception, Nokia gives you certain additional
29 30 31 32
** rights. These rights are described in the Nokia Qt GPL Exception
** version 1.2, included in the file GPL_EXCEPTION.txt in this package.
**
***************************************************************************/
hjk's avatar
hjk committed
33

Roberto Raggi's avatar
Roberto Raggi committed
34
#include <cplusplus/pp.h>
con's avatar
con committed
35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54

#include "cppmodelmanager.h"
#include "cpphoverhandler.h"
#include "cpptoolsconstants.h"
#include "cpptoolseditorsupport.h"

#include <qtconcurrent/runextensions.h>
#include <texteditor/itexteditor.h>
#include <texteditor/basetexteditor.h>

#include <projectexplorer/project.h>
#include <projectexplorer/projectexplorer.h>
#include <projectexplorer/projectexplorerconstants.h>
#include <projectexplorer/session.h>

#include <coreplugin/icore.h>
#include <coreplugin/uniqueidmanager.h>
#include <coreplugin/editormanager/editormanager.h>
#include <coreplugin/progressmanager/progressmanager.h>

hjk's avatar
hjk committed
55 56
#include <utils/qtcassert.h>

con's avatar
con committed
57 58 59 60 61 62 63 64 65 66 67 68
#include <TranslationUnit.h>
#include <Semantic.h>
#include <AST.h>
#include <Scope.h>
#include <Literals.h>
#include <Symbols.h>
#include <Names.h>
#include <NameVisitor.h>
#include <TypeVisitor.h>
#include <Lexer.h>
#include <Token.h>

hjk's avatar
hjk committed
69 70 71 72 73
#include <QtCore/QDebug>
#include <QtCore/QMutexLocker>
#include <QtCore/QTime>

//#include <QtGui/QPlainTextEdit>
con's avatar
con committed
74

75 76
using namespace CppTools;
using namespace CppTools::Internal;
con's avatar
con committed
77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109
using namespace CPlusPlus;

static const char pp_configuration_file[] = "<configuration>";

static const char pp_configuration[] =
    "# 1 \"<configuration>\"\n"
    "#define __GNUC_MINOR__ 0\n"
    "#define __GNUC__ 4\n"
    "#define __GNUG__ 4\n"
    "#define __STDC_HOSTED__ 1\n"
    "#define __VERSION__ \"4.0.1 (fake)\"\n"
    "#define __cplusplus 1\n"

    "#define __extension__\n"
    "#define __context__\n"
    "#define __range__\n"
    "#define __asm(a...)\n"
    "#define __asm__(a...)\n"
    "#define   restrict\n"
    "#define __restrict\n"

    // ### add macros for win32
    "#define __cdecl\n"
    "#define QT_WA(x) x\n"
    "#define API\n"
    "#define WINAPI\n"
    "#define CALLBACK\n"
    "#define STDMETHODCALLTYPE\n"
    "#define __RPC_FAR\n"
    "#define APIENTRY\n"
    "#define __declspec(a)\n"
    "#define STDMETHOD(method) virtual HRESULT STDMETHODCALLTYPE method\n";

110 111 112
namespace CppTools {
namespace Internal {

113
class CppPreprocessor: public CPlusPlus::Client
con's avatar
con committed
114 115
{
public:
116
    CppPreprocessor(QPointer<CppModelManager> modelManager);
con's avatar
con committed
117

118 119 120 121 122 123
    void setWorkingCopy(const QMap<QString, QByteArray> &workingCopy);
    void setIncludePaths(const QStringList &includePaths);
    void setFrameworkPaths(const QStringList &frameworkPaths);
    void setProjectFiles(const QStringList &files);
    void run(QString &fileName);
    void operator()(QString &fileName);
con's avatar
con committed
124

125 126
protected:
    CPlusPlus::Document::Ptr switchDocument(CPlusPlus::Document::Ptr doc);
con's avatar
con committed
127

128 129
    bool includeFile(const QString &absoluteFilePath, QByteArray *result);
    QByteArray tryIncludeFile(QString &fileName, IncludeType type);
con's avatar
con committed
130

131 132
    void mergeEnvironment(CPlusPlus::Document::Ptr doc);
    void mergeEnvironment(CPlusPlus::Document::Ptr doc, QSet<QString> *processed);
con's avatar
con committed
133

Roberto Raggi's avatar
Roberto Raggi committed
134
    virtual void macroAdded(const Macro &macro);
135
    virtual void startExpandingMacro(unsigned offset,
136
                                     const Macro &macro,
137
                                     const QByteArray &originalText);
138
    virtual void stopExpandingMacro(unsigned offset, const Macro &macro);
139 140 141
    virtual void startSkippingBlocks(unsigned offset);
    virtual void stopSkippingBlocks(unsigned offset);
    virtual void sourceNeeded(QString &fileName, IncludeType type);
con's avatar
con committed
142

143 144 145
private:
    QPointer<CppModelManager> m_modelManager;
    CppModelManager::DocumentTable m_documents;
146 147
    Environment env;
    pp m_proc;
148 149 150 151 152 153 154 155
    QStringList m_includePaths;
    QStringList m_systemIncludePaths;
    QMap<QString, QByteArray> m_workingCopy;
    QStringList m_projectFiles;
    QStringList m_frameworkPaths;
    QSet<QString> m_included;
    CPlusPlus::Document::Ptr m_currentDoc;
};
con's avatar
con committed
156

157 158
} // namespace Internal
} // namespace CppTools
159

160 161 162 163 164
CppPreprocessor::CppPreprocessor(QPointer<CppModelManager> modelManager)
    : m_modelManager(modelManager),
    m_documents(modelManager->documents()),
    m_proc(this, env)
{ }
con's avatar
con committed
165

166 167
void CppPreprocessor::setWorkingCopy(const QMap<QString, QByteArray> &workingCopy)
{ m_workingCopy = workingCopy; }
con's avatar
con committed
168

169 170 171 172 173
void CppPreprocessor::setIncludePaths(const QStringList &includePaths)
{ m_includePaths = includePaths; }

void CppPreprocessor::setFrameworkPaths(const QStringList &frameworkPaths)
{ m_frameworkPaths = frameworkPaths; }
con's avatar
con committed
174

175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197
void CppPreprocessor::setProjectFiles(const QStringList &files)
{ m_projectFiles = files; }

void CppPreprocessor::run(QString &fileName)
{ sourceNeeded(fileName, IncludeGlobal); }

void CppPreprocessor::operator()(QString &fileName)
{ run(fileName); }

bool CppPreprocessor::includeFile(const QString &absoluteFilePath, QByteArray *result)
{
    if (absoluteFilePath.isEmpty() || m_included.contains(absoluteFilePath)) {
        return true;
    }

    if (m_workingCopy.contains(absoluteFilePath)) {
        m_included.insert(absoluteFilePath);
        *result = m_workingCopy.value(absoluteFilePath);
        return true;
    }

    QFileInfo fileInfo(absoluteFilePath);
    if (! fileInfo.isFile())
con's avatar
con committed
198
        return false;
199 200 201 202 203 204 205 206 207

    QFile file(absoluteFilePath);
    if (file.open(QFile::ReadOnly)) {
        m_included.insert(absoluteFilePath);
        QTextStream stream(&file);
        const QString contents = stream.readAll();
        *result = contents.toUtf8();
        file.close();
        return true;
con's avatar
con committed
208 209
    }

210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230
    return false;
}

QByteArray CppPreprocessor::tryIncludeFile(QString &fileName, IncludeType type)
{
    QFileInfo fileInfo(fileName);
    if (fileName == QLatin1String(pp_configuration_file) || fileInfo.isAbsolute()) {
        QByteArray contents;
        includeFile(fileName, &contents);
        return contents;
    }

    if (type == IncludeLocal && m_currentDoc) {
        QFileInfo currentFileInfo(m_currentDoc->fileName());
        QString path = currentFileInfo.absolutePath();
        path += QLatin1Char('/');
        path += fileName;
        path = QDir::cleanPath(path);
        QByteArray contents;
        if (includeFile(path, &contents)) {
            fileName = path;
con's avatar
con committed
231 232
            return contents;
        }
233
    }
con's avatar
con committed
234

235 236 237 238 239 240 241 242 243
    foreach (const QString &includePath, m_includePaths) {
        QString path = includePath;
        path += QLatin1Char('/');
        path += fileName;
        path = QDir::cleanPath(path);
        QByteArray contents;
        if (includeFile(path, &contents)) {
            fileName = path;
            return contents;
con's avatar
con committed
244
        }
245
    }
con's avatar
con committed
246

247 248 249 250 251 252 253 254 255 256
    // look in the system include paths
    foreach (const QString &includePath, m_systemIncludePaths) {
        QString path = includePath;
        path += QLatin1Char('/');
        path += fileName;
        path = QDir::cleanPath(path);
        QByteArray contents;
        if (includeFile(path, &contents)) {
            fileName = path;
            return contents;
con's avatar
con committed
257
        }
258 259 260 261 262 263
    }

    int index = fileName.indexOf(QLatin1Char('/'));
    if (index != -1) {
        QString frameworkName = fileName.left(index);
        QString name = fileName.mid(index + 1);
con's avatar
con committed
264

265 266
        foreach (const QString &frameworkPath, m_frameworkPaths) {
            QString path = frameworkPath;
con's avatar
con committed
267
            path += QLatin1Char('/');
268 269 270
            path += frameworkName;
            path += QLatin1String(".framework/Headers/");
            path += name;
con's avatar
con committed
271 272 273 274 275 276
            QByteArray contents;
            if (includeFile(path, &contents)) {
                fileName = path;
                return contents;
            }
        }
277
    }
con's avatar
con committed
278

279 280 281
    QString path = fileName;
    if (path.at(0) != QLatin1Char('/'))
        path.prepend(QLatin1Char('/'));
con's avatar
con committed
282

283 284 285 286 287 288
    foreach (const QString &projectFile, m_projectFiles) {
        if (projectFile.endsWith(path)) {
            fileName = projectFile;
            QByteArray contents;
            includeFile(fileName, &contents);
            return contents;
con's avatar
con committed
289 290 291
        }
    }

292 293 294
    //qDebug() << "**** file" << fileName << "not found!";
    return QByteArray();
}
con's avatar
con committed
295

Roberto Raggi's avatar
Roberto Raggi committed
296
void CppPreprocessor::macroAdded(const Macro &macro)
297 298 299
{
    if (! m_currentDoc)
        return;
con's avatar
con committed
300

Roberto Raggi's avatar
Roberto Raggi committed
301
    m_currentDoc->appendMacro(macro);
302
}
303

304
void CppPreprocessor::startExpandingMacro(unsigned offset,
Roberto Raggi's avatar
Roberto Raggi committed
305
                                          const Macro &macro,
306 307 308 309
                                          const QByteArray &originalText)
{
    if (! m_currentDoc)
        return;
310

311
    //qDebug() << "start expanding:" << macro.name << "text:" << originalText;
Roberto Raggi's avatar
Roberto Raggi committed
312
    m_currentDoc->addMacroUse(macro, offset, originalText.length());
313
}
314

315
void CppPreprocessor::stopExpandingMacro(unsigned, const Macro &)
316 317 318
{
    if (! m_currentDoc)
        return;
con's avatar
con committed
319

320 321
    //qDebug() << "stop expanding:" << macro.name;
}
con's avatar
con committed
322

323 324 325 326 327
void CppPreprocessor::mergeEnvironment(Document::Ptr doc)
{
    QSet<QString> processed;
    mergeEnvironment(doc, &processed);
}
con's avatar
con committed
328

329 330 331 332
void CppPreprocessor::mergeEnvironment(Document::Ptr doc, QSet<QString> *processed)
{
    if (! doc)
        return;
con's avatar
con committed
333

334
    const QString fn = doc->fileName();
con's avatar
con committed
335

336 337
    if (processed->contains(fn))
        return;
con's avatar
con committed
338

339
    processed->insert(fn);
con's avatar
con committed
340

Roberto Raggi's avatar
Roberto Raggi committed
341
    foreach (QString includedFile, doc->includedFiles()) {
342
        mergeEnvironment(m_documents.value(includedFile), processed);
Roberto Raggi's avatar
Roberto Raggi committed
343
    }
con's avatar
con committed
344

Roberto Raggi's avatar
Roberto Raggi committed
345 346 347
    foreach (const Macro macro, doc->definedMacros()) {
        env.bind(macro);
    }
348
}
con's avatar
con committed
349

350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382
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);
}

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

    QByteArray contents = tryIncludeFile(fileName, type);

    if (m_currentDoc) {
        m_currentDoc->addIncludeFile(fileName);
        if (contents.isEmpty() && ! QFileInfo(fileName).isAbsolute()) {
            QString msg;
            msg += fileName;
            msg += QLatin1String(": No such file or directory");
            Document::DiagnosticMessage d(Document::DiagnosticMessage::Warning,
                                          m_currentDoc->fileName(),
                                          env.currentLine, /*column = */ 0,
                                          msg);
            m_currentDoc->addDiagnosticMessage(d);
            //qWarning() << "file not found:" << fileName << m_currentDoc->fileName() << env.current_line;
con's avatar
con committed
383
        }
384
    }
con's avatar
con committed
385

386 387 388 389 390 391
    if (! contents.isEmpty()) {
        Document::Ptr cachedDoc = m_documents.value(fileName);
        if (cachedDoc && m_currentDoc) {
            mergeEnvironment(cachedDoc);
        } else {
            Document::Ptr previousDoc = switchDocument(Document::create(fileName));
con's avatar
con committed
392

393 394
            const QByteArray previousFile = env.current_file;
            const unsigned previousLine = env.currentLine;
con's avatar
con committed
395

396 397
            env.current_file = QByteArray(m_currentDoc->translationUnit()->fileName(),
                                          m_currentDoc->translationUnit()->fileNameLength());
con's avatar
con committed
398

399 400 401
            QByteArray preprocessedCode;
            m_proc(contents, &preprocessedCode);
            //qDebug() << preprocessedCode;
con's avatar
con committed
402

403 404
            env.current_file = previousFile;
            env.currentLine = previousLine;
con's avatar
con committed
405

406 407 408 409
            m_currentDoc->setSource(preprocessedCode);
            m_currentDoc->parse();
            m_currentDoc->check();
            m_currentDoc->releaseTranslationUnit(); // release the AST and the token stream.
con's avatar
con committed
410

411 412 413
            if (m_modelManager)
                m_modelManager->emitDocumentUpdated(m_currentDoc);
            (void) switchDocument(previousDoc);
con's avatar
con committed
414 415
        }
    }
416
}
con's avatar
con committed
417

418 419 420 421 422 423
Document::Ptr CppPreprocessor::switchDocument(Document::Ptr doc)
{
    Document::Ptr previousDoc = m_currentDoc;
    m_currentDoc = doc;
    return previousDoc;
}
con's avatar
con committed
424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439



/*!
    \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
    modified within Workbench.
*/

CppModelManager::CppModelManager(QObject *parent) :
    CppModelManagerInterface(parent),
    m_core(ExtensionSystem::PluginManager::instance()->getObject<Core::ICore>())
{
440 441
    m_dirty = true;

con's avatar
con committed
442 443 444
    m_projectExplorer = ExtensionSystem::PluginManager::instance()
                        ->getObject<ProjectExplorer::ProjectExplorerPlugin>();

hjk's avatar
hjk committed
445
    QTC_ASSERT(m_projectExplorer, return);
con's avatar
con committed
446 447

    ProjectExplorer::SessionManager *session = m_projectExplorer->session();
hjk's avatar
hjk committed
448
    QTC_ASSERT(session, return);
con's avatar
con committed
449

450 451 452
    connect(session, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(onProjectAdded(ProjectExplorer::Project*)));

con's avatar
con committed
453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477
    connect(session, SIGNAL(aboutToRemoveProject(ProjectExplorer::Project *)),
            this, SLOT(onAboutToRemoveProject(ProjectExplorer::Project *)));

    connect(session, SIGNAL(sessionUnloaded()),
            this, SLOT(onSessionUnloaded()));

    qRegisterMetaType<CPlusPlus::Document::Ptr>("CPlusPlus::Document::Ptr");

    // thread connections
    connect(this, SIGNAL(documentUpdated(CPlusPlus::Document::Ptr)),
            this, SLOT(onDocumentUpdated(CPlusPlus::Document::Ptr)));

    m_hoverHandler = new CppHoverHandler(this, this);

    // Listen for editor closed and opened events so that we can keep track of changing files
    connect(m_core->editorManager(), SIGNAL(editorOpened(Core::IEditor *)),
        this, SLOT(editorOpened(Core::IEditor *)));

    connect(m_core->editorManager(), SIGNAL(editorAboutToClose(Core::IEditor *)),
        this, SLOT(editorAboutToClose(Core::IEditor *)));
}

CppModelManager::~CppModelManager()
{ }

478
Document::Ptr CppModelManager::document(const QString &fileName) const
con's avatar
con committed
479 480
{ return m_documents.value(fileName); }

481
CppModelManager::DocumentTable CppModelManager::documents() const
con's avatar
con committed
482 483
{ return m_documents; }

484 485 486 487 488 489
void CppModelManager::ensureUpdated()
{
    QMutexLocker locker(&mutex);
    if (! m_dirty)
        return;

490 491 492 493
    m_projectFiles = internalProjectFiles();
    m_includePaths = internalIncludePaths();
    m_frameworkPaths = internalFrameworkPaths();
    m_definedMacros = internalDefinedMacros();
494 495 496
    m_dirty = false;
}

497
QStringList CppModelManager::internalProjectFiles() const
con's avatar
con committed
498 499 500 501 502 503 504 505
{
    QStringList files;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        files += pinfo.sourceFiles;
    }
506
    files.removeDuplicates();
con's avatar
con committed
507 508 509
    return files;
}

510
QStringList CppModelManager::internalIncludePaths() const
con's avatar
con committed
511 512 513 514 515 516 517 518
{
    QStringList includePaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        includePaths += pinfo.includePaths;
    }
519
    includePaths.removeDuplicates();
con's avatar
con committed
520 521 522
    return includePaths;
}

523
QStringList CppModelManager::internalFrameworkPaths() const
con's avatar
con committed
524 525 526 527 528 529 530 531
{
    QStringList frameworkPaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        frameworkPaths += pinfo.frameworkPaths;
    }
532
    frameworkPaths.removeDuplicates();
con's avatar
con committed
533 534 535
    return frameworkPaths;
}

536
QByteArray CppModelManager::internalDefinedMacros() const
con's avatar
con committed
537 538 539 540 541 542 543 544 545 546 547
{
    QByteArray macros;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        macros += pinfo.defines;
    }
    return macros;
}

548
QMap<QString, QByteArray> CppModelManager::buildWorkingCopyList()
con's avatar
con committed
549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570
{
    QMap<QString, QByteArray> workingCopy;
    QMapIterator<TextEditor::ITextEditor *, CppEditorSupport *> it(m_editorSupport);
    while (it.hasNext()) {
        it.next();
        TextEditor::ITextEditor *textEditor = it.key();
        CppEditorSupport *editorSupport = it.value();
        QString fileName = textEditor->file()->fileName();
        workingCopy[fileName] = editorSupport->contents().toUtf8();
    }

    // add the project configuration file
    QByteArray conf(pp_configuration);
    conf += definedMacros();
    workingCopy[pp_configuration_file] = conf;

    return workingCopy;
}

void CppModelManager::updateSourceFiles(const QStringList &sourceFiles)
{ (void) refreshSourceFiles(sourceFiles); }

571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592
QList<CppModelManager::ProjectInfo> CppModelManager::projectInfos() const
{
    QMutexLocker locker(&mutex);

    return m_projects.values();
}

CppModelManager::ProjectInfo CppModelManager::projectInfo(ProjectExplorer::Project *project) const
{
    QMutexLocker locker(&mutex);

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

void CppModelManager::updateProjectInfo(const ProjectInfo &pinfo)
{
    QMutexLocker locker(&mutex);

    if (! pinfo.isValid())
        return;

    m_projects.insert(pinfo.project, pinfo);
593
    m_dirty = true;
594
}
con's avatar
con committed
595 596 597

QFuture<void> CppModelManager::refreshSourceFiles(const QStringList &sourceFiles)
{
598
    if (! sourceFiles.isEmpty() && qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull()) {
con's avatar
con committed
599 600
        const QMap<QString, QByteArray> workingCopy = buildWorkingCopyList();

601 602 603 604 605 606 607 608
        CppPreprocessor *preproc = new CppPreprocessor(this);
        preproc->setProjectFiles(projectFiles());
        preproc->setIncludePaths(includePaths());
        preproc->setFrameworkPaths(frameworkPaths());
        preproc->setWorkingCopy(workingCopy);

        QFuture<void> result = QtConcurrent::run(&CppModelManager::parse,
                                                 preproc, sourceFiles);
con's avatar
con committed
609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631

        if (sourceFiles.count() > 1) {
            m_core->progressManager()->addTask(result, tr("Indexing"),
                            CppTools::Constants::TASK_INDEX,
                            Core::ProgressManagerInterface::CloseOnSuccess);
        }
        return result;
    }
    return QFuture<void>();
}

/*!
    \fn    void CppModelManager::editorOpened(Core::IEditor *editor)
    \brief If a C++ editor is opened, the model manager listens to content changes
           in order to update the CppCodeModel accordingly. It also updates the
           CppCodeModel for the first time with this editor.

    \sa    void CppModelManager::editorContentsChanged()
 */
void CppModelManager::editorOpened(Core::IEditor *editor)
{
    if (isCppEditor(editor)) {
        TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor);
hjk's avatar
hjk committed
632
        QTC_ASSERT(textEditor, return);
con's avatar
con committed
633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651

        CppEditorSupport *editorSupport = new CppEditorSupport(this);
        editorSupport->setTextEditor(textEditor);
        m_editorSupport[textEditor] = editorSupport;

        // ### move in CppEditorSupport
        connect(editor, SIGNAL(tooltipRequested(TextEditor::ITextEditor*, QPoint, int)),
                m_hoverHandler, SLOT(showToolTip(TextEditor::ITextEditor*, QPoint, int)));

        // ### move in CppEditorSupport
        connect(editor, SIGNAL(contextHelpIdRequested(TextEditor::ITextEditor*, int)),
                m_hoverHandler, SLOT(updateContextHelpId(TextEditor::ITextEditor*, int)));
    }
}

void CppModelManager::editorAboutToClose(Core::IEditor *editor)
{
    if (isCppEditor(editor)) {
        TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor);
hjk's avatar
hjk committed
652
        QTC_ASSERT(textEditor, return);
con's avatar
con committed
653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693

        CppEditorSupport *editorSupport = m_editorSupport.value(textEditor);
        m_editorSupport.remove(textEditor);
        delete editorSupport;
    }
}

bool CppModelManager::isCppEditor(Core::IEditor *editor) const
{
    Core::UniqueIDManager *uidm = m_core->uniqueIDManager();
    const int uid = uidm->uniqueIdentifier(ProjectExplorer::Constants::LANG_CXX);
    return editor->context().contains(uid);
}

void CppModelManager::emitDocumentUpdated(Document::Ptr doc)
{ emit documentUpdated(doc); }

void CppModelManager::onDocumentUpdated(Document::Ptr doc)
{
    const QString fileName = doc->fileName();
    m_documents[fileName] = doc;
    QList<Core::IEditor *> openedEditors = m_core->editorManager()->openedEditors();
    foreach (Core::IEditor *editor, openedEditors) {
        if (editor->file()->fileName() == fileName) {
            TextEditor::ITextEditor *textEditor = qobject_cast<TextEditor::ITextEditor *>(editor);
            if (! textEditor)
                continue;

            TextEditor::BaseTextEditor *ed = qobject_cast<TextEditor::BaseTextEditor *>(textEditor->widget());
            if (! ed)
                continue;

            QList<TextEditor::BaseTextEditor::BlockRange> blockRanges;

            foreach (const Document::Block block, doc->skippedBlocks()) {
                blockRanges.append(TextEditor::BaseTextEditor::BlockRange(block.begin(), block.end()));
            }
            ed->setIfdefedOutBlocks(blockRanges);

            QList<QTextEdit::ExtraSelection> selections;

694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709
#ifdef QTCREATOR_WITH_MACRO_HIGHLIGHTING
            // set up the format for the macros
            QTextCharFormat macroFormat;
            macroFormat.setUnderlineStyle(QTextCharFormat::SingleUnderline);

            QTextCursor c = ed->textCursor();
            foreach (const Document::Block block, doc->macroUses()) {
                QTextEdit::ExtraSelection sel;
                sel.cursor = c;
                sel.cursor.setPosition(block.begin());
                sel.cursor.setPosition(block.end(), QTextCursor::KeepAnchor);
                sel.format = macroFormat;
                selections.append(sel);
            }
#endif // QTCREATOR_WITH_MACRO_HIGHLIGHTING

con's avatar
con committed
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748
            // set up the format for the errors
            QTextCharFormat errorFormat;
            errorFormat.setUnderlineStyle(QTextCharFormat::WaveUnderline);
            errorFormat.setUnderlineColor(Qt::red);

            // set up the format for the warnings.
            QTextCharFormat warningFormat;
            warningFormat.setUnderlineStyle(QTextCharFormat::WaveUnderline);
            warningFormat.setUnderlineColor(Qt::darkYellow);

            QSet<int> lines;
            foreach (const Document::DiagnosticMessage m, doc->diagnosticMessages()) {
                if (m.fileName() != fileName)
                    continue;
                else if (lines.contains(m.line()))
                    continue;
                else if (lines.size() == MAX_SELECTION_COUNT)
                    break; // we're done.

                lines.insert(m.line());

                QTextEdit::ExtraSelection sel;
                if (m.isWarning())
                    sel.format = warningFormat;
                else
                    sel.format = errorFormat;

                QTextCursor c(ed->document()->findBlockByNumber(m.line() - 1));
                const QString text = c.block().text();
                for (int i = 0; i < text.size(); ++i) {
                    if (! text.at(i).isSpace()) {
                        c.setPosition(c.position() + i);
                        break;
                    }
                }
                c.movePosition(QTextCursor::EndOfBlock, QTextCursor::KeepAnchor);
                sel.cursor = c;
                selections.append(sel);
            }
749
            ed->setExtraSelections(TextEditor::BaseTextEditor::CodeWarningsSelection, selections);
con's avatar
con committed
750 751 752 753 754
            break;
        }
    }
}

755 756
void CppModelManager::onProjectAdded(ProjectExplorer::Project *)
{
757
    QMutexLocker locker(&mutex);
758 759 760
    m_dirty = true;
}

con's avatar
con committed
761 762
void CppModelManager::onAboutToRemoveProject(ProjectExplorer::Project *project)
{
763 764 765 766 767 768
    do {
        QMutexLocker locker(&mutex);
        m_dirty = true;
        m_projects.remove(project);
    } while (0);

con's avatar
con committed
769 770 771 772 773
    GC();
}

void CppModelManager::onSessionUnloaded()
{
774
    if (m_core->progressManager()) {
con's avatar
con committed
775
        m_core->progressManager()->cancelTasks(CppTools::Constants::TASK_INDEX);
776
    }
777 778 779 780 781 782 783 784

    do {
        QMutexLocker locker(&mutex);
        m_projects.clear();
        m_dirty = true;
    } while (0);

    GC();
con's avatar
con committed
785 786 787
}

void CppModelManager::parse(QFutureInterface<void> &future,
788 789
                            CppPreprocessor *preproc,
                            QStringList files)
con's avatar
con committed
790
{
hjk's avatar
hjk committed
791
    QTC_ASSERT(!files.isEmpty(), return);
792

con's avatar
con committed
793 794 795 796 797 798
    // Change the priority of the background parser thread to idle.
    QThread::currentThread()->setPriority(QThread::IdlePriority);

    future.setProgressRange(0, files.size());

    QString conf = QLatin1String(pp_configuration_file);
799
    (void) preproc->run(conf);
con's avatar
con committed
800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817

    const int STEP = 10;

    for (int i = 0; i < files.size(); ++i) {
        if (future.isPaused())
            future.waitForResume();

        if (future.isCanceled())
            break;

        future.setProgressValue(i);

#ifdef CPPTOOLS_DEBUG_PARSING_TIME
        QTime tm;
        tm.start();
#endif

        QString fileName = files.at(i);
818
        preproc->run(fileName);
con's avatar
con committed
819 820 821 822 823 824 825 826 827

        if (! (i % STEP)) // Yields execution of the current thread.
            QThread::yieldCurrentThread();

#ifdef CPPTOOLS_DEBUG_PARSING_TIME
        qDebug() << fileName << "parsed in:" << tm.elapsed();
#endif
    }

828 829
    future.setProgressValue(files.size());

con's avatar
con committed
830 831
    // Restore the previous thread priority.
    QThread::currentThread()->setPriority(QThread::NormalPriority);
832 833

    delete preproc;
con's avatar
con committed
834 835 836 837 838 839 840
}

void CppModelManager::GC()
{
    DocumentTable documents = m_documents;

    QSet<QString> processed;
841
    QStringList todo = projectFiles();
con's avatar
con committed
842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872

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

        if (processed.contains(fn))
            continue;

        processed.insert(fn);

        if (Document::Ptr doc = documents.value(fn)) {
            todo += doc->includedFiles();
        }
    }

    QStringList removedFiles;
    QMutableMapIterator<QString, Document::Ptr> it(documents);
    while (it.hasNext()) {
        it.next();
        const QString fn = it.key();
        if (! processed.contains(fn)) {
            removedFiles.append(fn);
            it.remove();
        }
    }

    emit aboutToRemoveFiles(removedFiles);
    m_documents = documents;
}