cppmodelmanager.cpp 26.7 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

con's avatar
con committed
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67
#include "pp.h"

#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>

#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>

#include <QPlainTextEdit>
68
#include <QMutexLocker>
con's avatar
con committed
69 70 71
#include <QTime>
#include <QDebug>

72 73
using namespace CppTools;
using namespace CppTools::Internal;
con's avatar
con committed
74 75 76 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
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";

107 108 109
namespace CppTools {
namespace Internal {

110
class CppPreprocessor: public CPlusPlus::Client
con's avatar
con committed
111 112
{
public:
113
    CppPreprocessor(QPointer<CppModelManager> modelManager);
con's avatar
con committed
114

115 116 117 118 119 120 121
    void setWorkingCopy(const QMap<QString, QByteArray> &workingCopy);
    void setIncludePaths(const QStringList &includePaths);
    void setFrameworkPaths(const QStringList &frameworkPaths);
    void addIncludePath(const QString &path);
    void setProjectFiles(const QStringList &files);
    void run(QString &fileName);
    void operator()(QString &fileName);
con's avatar
con committed
122

123 124
protected:
    CPlusPlus::Document::Ptr switchDocument(CPlusPlus::Document::Ptr doc);
con's avatar
con committed
125

126 127
    bool includeFile(const QString &absoluteFilePath, QByteArray *result);
    QByteArray tryIncludeFile(QString &fileName, IncludeType type);
con's avatar
con committed
128

129 130
    void mergeEnvironment(CPlusPlus::Document::Ptr doc);
    void mergeEnvironment(CPlusPlus::Document::Ptr doc, QSet<QString> *processed);
con's avatar
con committed
131

132 133 134
    virtual void macroAdded(const QByteArray &macroName,
                            const QByteArray &macroText);
    virtual void startExpandingMacro(unsigned offset,
135
                                     const Macro &macro,
136
                                     const QByteArray &originalText);
137
    virtual void stopExpandingMacro(unsigned offset, const Macro &macro);
138 139 140
    virtual void startSkippingBlocks(unsigned offset);
    virtual void stopSkippingBlocks(unsigned offset);
    virtual void sourceNeeded(QString &fileName, IncludeType type);
con's avatar
con committed
141

142 143 144
private:
    QPointer<CppModelManager> m_modelManager;
    CppModelManager::DocumentTable m_documents;
145 146
    Environment env;
    pp m_proc;
147 148 149 150 151 152 153 154
    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
155

156 157
} // namespace Internal
} // namespace CppTools
158

159 160 161 162 163
CppPreprocessor::CppPreprocessor(QPointer<CppModelManager> modelManager)
    : m_modelManager(modelManager),
    m_documents(modelManager->documents()),
    m_proc(this, env)
{ }
con's avatar
con committed
164

165 166
void CppPreprocessor::setWorkingCopy(const QMap<QString, QByteArray> &workingCopy)
{ m_workingCopy = workingCopy; }
con's avatar
con committed
167

168 169 170 171 172
void CppPreprocessor::setIncludePaths(const QStringList &includePaths)
{ m_includePaths = includePaths; }

void CppPreprocessor::setFrameworkPaths(const QStringList &frameworkPaths)
{ m_frameworkPaths = frameworkPaths; }
con's avatar
con committed
173

174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199
void CppPreprocessor::addIncludePath(const QString &path)
{ m_includePaths.append(path); }

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
200
        return false;
201 202 203 204 205 206 207 208 209

    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
210 211
    }

212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232
    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
233 234
            return contents;
        }
235
    }
con's avatar
con committed
236

237 238 239 240 241 242 243 244 245
    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
246
        }
247
    }
con's avatar
con committed
248

249 250 251 252 253 254 255 256 257 258
    // 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
259
        }
260 261 262 263 264 265
    }

    int index = fileName.indexOf(QLatin1Char('/'));
    if (index != -1) {
        QString frameworkName = fileName.left(index);
        QString name = fileName.mid(index + 1);
con's avatar
con committed
266

267 268
        foreach (const QString &frameworkPath, m_frameworkPaths) {
            QString path = frameworkPath;
con's avatar
con committed
269
            path += QLatin1Char('/');
270 271 272
            path += frameworkName;
            path += QLatin1String(".framework/Headers/");
            path += name;
con's avatar
con committed
273 274 275 276 277 278
            QByteArray contents;
            if (includeFile(path, &contents)) {
                fileName = path;
                return contents;
            }
        }
279
    }
con's avatar
con committed
280

281 282 283
    QString path = fileName;
    if (path.at(0) != QLatin1Char('/'))
        path.prepend(QLatin1Char('/'));
con's avatar
con committed
284

285 286 287 288 289 290
    foreach (const QString &projectFile, m_projectFiles) {
        if (projectFile.endsWith(path)) {
            fileName = projectFile;
            QByteArray contents;
            includeFile(fileName, &contents);
            return contents;
con's avatar
con committed
291 292 293
        }
    }

294 295 296
    //qDebug() << "**** file" << fileName << "not found!";
    return QByteArray();
}
con's avatar
con committed
297

298 299 300 301
void CppPreprocessor::macroAdded(const QByteArray &macroName, const QByteArray &macroText)
{
    if (! m_currentDoc)
        return;
con's avatar
con committed
302

303 304
    m_currentDoc->appendMacro(macroName, macroText);
}
305

306
void CppPreprocessor::startExpandingMacro(unsigned offset,
307
                                          const Macro &,
308 309 310 311
                                          const QByteArray &originalText)
{
    if (! m_currentDoc)
        return;
312

313 314 315
    //qDebug() << "start expanding:" << macro.name << "text:" << originalText;
    m_currentDoc->addMacroUse(offset, originalText.length());
}
316

317
void CppPreprocessor::stopExpandingMacro(unsigned, const Macro &)
318 319 320
{
    if (! m_currentDoc)
        return;
con's avatar
con committed
321

322 323
    //qDebug() << "stop expanding:" << macro.name;
}
con's avatar
con committed
324

325 326 327 328 329
void CppPreprocessor::mergeEnvironment(Document::Ptr doc)
{
    QSet<QString> processed;
    mergeEnvironment(doc, &processed);
}
con's avatar
con committed
330

331 332 333 334
void CppPreprocessor::mergeEnvironment(Document::Ptr doc, QSet<QString> *processed)
{
    if (! doc)
        return;
con's avatar
con committed
335

336
    const QString fn = doc->fileName();
con's avatar
con committed
337

338 339
    if (processed->contains(fn))
        return;
con's avatar
con committed
340

341
    processed->insert(fn);
con's avatar
con committed
342

343 344
    foreach (QString includedFile, doc->includedFiles())
        mergeEnvironment(m_documents.value(includedFile), processed);
con's avatar
con committed
345

346 347
    const QByteArray macros = doc->definedMacros();
    QByteArray localFileName = doc->fileName().toUtf8();
con's avatar
con committed
348

349 350 351
    QByteArray dummy;
    m_proc(localFileName, macros, &dummy);
}
con's avatar
con committed
352

353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385
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
386
        }
387
    }
con's avatar
con committed
388

389 390 391 392 393 394
    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
395

396 397
            const QByteArray previousFile = env.current_file;
            const unsigned previousLine = env.currentLine;
con's avatar
con committed
398

399 400
            env.current_file = QByteArray(m_currentDoc->translationUnit()->fileName(),
                                          m_currentDoc->translationUnit()->fileNameLength());
con's avatar
con committed
401

402 403 404
            QByteArray preprocessedCode;
            m_proc(contents, &preprocessedCode);
            //qDebug() << preprocessedCode;
con's avatar
con committed
405

406 407
            env.current_file = previousFile;
            env.currentLine = previousLine;
con's avatar
con committed
408

409 410 411 412
            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
413

414 415 416
            if (m_modelManager)
                m_modelManager->emitDocumentUpdated(m_currentDoc);
            (void) switchDocument(previousDoc);
con's avatar
con committed
417 418
        }
    }
419
}
con's avatar
con committed
420

421 422 423 424 425 426
Document::Ptr CppPreprocessor::switchDocument(Document::Ptr doc)
{
    Document::Ptr previousDoc = m_currentDoc;
    m_currentDoc = doc;
    return previousDoc;
}
con's avatar
con committed
427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442



/*!
    \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>())
{
443 444
    m_dirty = true;

con's avatar
con committed
445 446 447 448 449 450 451 452
    m_projectExplorer = ExtensionSystem::PluginManager::instance()
                        ->getObject<ProjectExplorer::ProjectExplorerPlugin>();

    Q_ASSERT(m_projectExplorer);

    ProjectExplorer::SessionManager *session = m_projectExplorer->session();
    Q_ASSERT(session != 0);

453 454 455
    connect(session, SIGNAL(projectAdded(ProjectExplorer::Project*)),
            this, SLOT(onProjectAdded(ProjectExplorer::Project*)));

con's avatar
con committed
456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480
    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()
{ }

481
Document::Ptr CppModelManager::document(const QString &fileName) const
con's avatar
con committed
482 483
{ return m_documents.value(fileName); }

484
CppModelManager::DocumentTable CppModelManager::documents() const
con's avatar
con committed
485 486
{ return m_documents; }

487 488 489 490 491 492 493 494 495 496 497 498 499
void CppModelManager::ensureUpdated()
{
    QMutexLocker locker(&mutex);
    if (! m_dirty)
        return;

    m_projectFiles = updateProjectFiles();
    m_includePaths = updateIncludePaths();
    m_frameworkPaths = updateFrameworkPaths();
    m_definedMacros = updateDefinedMacros();
    m_dirty = false;
}

500
QStringList CppModelManager::updateProjectFiles() const
con's avatar
con committed
501 502 503 504 505 506 507 508 509 510 511
{
    QStringList files;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        files += pinfo.sourceFiles;
    }
    return files;
}

512
QStringList CppModelManager::updateIncludePaths() const
con's avatar
con committed
513 514 515 516 517 518 519 520 521 522 523
{
    QStringList includePaths;
    QMapIterator<ProjectExplorer::Project *, ProjectInfo> it(m_projects);
    while (it.hasNext()) {
        it.next();
        ProjectInfo pinfo = it.value();
        includePaths += pinfo.includePaths;
    }
    return includePaths;
}

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

536
QByteArray CppModelManager::updateDefinedMacros() 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); }

571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593
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);
}
con's avatar
con committed
594 595 596

QFuture<void> CppModelManager::refreshSourceFiles(const QStringList &sourceFiles)
{
597
    if (! sourceFiles.isEmpty() && qgetenv("QTCREATOR_NO_CODE_INDEXER").isNull()) {
con's avatar
con committed
598 599
        const QMap<QString, QByteArray> workingCopy = buildWorkingCopyList();

600 601 602 603 604 605 606 607
        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
608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692

        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);
        Q_ASSERT(textEditor != 0);

        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);
        Q_ASSERT(textEditor != 0);

        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;

693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708
#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
709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747
            // 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);
            }
748
            ed->setExtraSelections(TextEditor::BaseTextEditor::CodeWarningsSelection, selections);
con's avatar
con committed
749 750 751 752 753
            break;
        }
    }
}

754 755
void CppModelManager::onProjectAdded(ProjectExplorer::Project *)
{
756
    QMutexLocker locker(&mutex);
757 758 759
    m_dirty = true;
}

con's avatar
con committed
760 761
void CppModelManager::onAboutToRemoveProject(ProjectExplorer::Project *project)
{
762 763 764 765 766 767
    do {
        QMutexLocker locker(&mutex);
        m_dirty = true;
        m_projects.remove(project);
    } while (0);

con's avatar
con committed
768 769 770 771 772
    GC();
}

void CppModelManager::onSessionUnloaded()
{
773
    if (m_core->progressManager()) {
con's avatar
con committed
774
        m_core->progressManager()->cancelTasks(CppTools::Constants::TASK_INDEX);
775
    }
776 777 778 779 780 781 782 783

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

    GC();
con's avatar
con committed
784 785 786
}

void CppModelManager::parse(QFutureInterface<void> &future,
787 788
                            CppPreprocessor *preproc,
                            QStringList files)
con's avatar
con committed
789
{
790 791
    Q_ASSERT(! files.isEmpty());

con's avatar
con committed
792 793 794 795 796 797
    // 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);
798
    (void) preproc->run(conf);
con's avatar
con committed
799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816

    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);
817
        preproc->run(fileName);
con's avatar
con committed
818 819 820 821 822 823 824 825 826

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

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

827 828
    future.setProgressValue(files.size());

con's avatar
con committed
829 830
    // Restore the previous thread priority.
    QThread::currentThread()->setPriority(QThread::NormalPriority);
831 832

    delete preproc;
con's avatar
con committed
833 834 835 836 837 838 839
}

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

    QSet<QString> processed;
840
    QStringList todo = projectFiles();
con's avatar
con committed
841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871

    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;
}