cppeditor.cpp 62.2 KB
Newer Older
1
/**************************************************************************
con's avatar
con committed
2 3 4
**
** This file is part of Qt Creator
**
5
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
con's avatar
con committed
6
**
7
** Contact: Nokia Corporation (qt-info@nokia.com)
con's avatar
con committed
8
**
9
** Commercial Usage
10
**
11 12 13 14
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
15
**
16
** GNU Lesser General Public License Usage
17
**
18 19 20 21 22 23
** 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.
24
**
25
** If you are unsure which license is appropriate for your use, please
hjk's avatar
hjk committed
26
** contact the sales department at http://qt.nokia.com/contact.
con's avatar
con committed
27
**
28
**************************************************************************/
hjk's avatar
hjk committed
29

con's avatar
con committed
30 31 32 33 34
#include "cppeditor.h"
#include "cppeditorconstants.h"
#include "cppplugin.h"
#include "cpphighlighter.h"

Roberto Raggi's avatar
Roberto Raggi committed
35 36
#include <cpptools/cpptoolsplugin.h>

con's avatar
con committed
37
#include <AST.h>
38
#include <Control.h>
con's avatar
con committed
39 40 41 42 43 44 45
#include <Token.h>
#include <Scope.h>
#include <Symbols.h>
#include <Names.h>
#include <Control.h>
#include <CoreTypes.h>
#include <Literals.h>
46
#include <PrettyPrinter.h>
con's avatar
con committed
47
#include <Semantic.h>
48
#include <SymbolVisitor.h>
49
#include <TranslationUnit.h>
con's avatar
con committed
50
#include <cplusplus/ExpressionUnderCursor.h>
Roberto Raggi's avatar
Roberto Raggi committed
51
#include <cplusplus/TypeOfExpression.h>
con's avatar
con committed
52 53 54 55
#include <cplusplus/LookupContext.h>
#include <cplusplus/Overview.h>
#include <cplusplus/OverviewModel.h>
#include <cplusplus/SimpleLexer.h>
56
#include <cplusplus/TokenUnderCursor.h>
con's avatar
con committed
57
#include <cplusplus/TypeOfExpression.h>
58
#include <cplusplus/MatchingText.h>
59
#include <cplusplus/BackwardsScanner.h>
60
#include <cplusplus/FastPreprocessor.h>
61
#include <cplusplus/CppBindings.h>
62

con's avatar
con committed
63 64 65 66
#include <cpptools/cppmodelmanagerinterface.h>

#include <coreplugin/icore.h>
#include <coreplugin/uniqueidmanager.h>
67
#include <coreplugin/actionmanager/actionmanager.h>
con's avatar
con committed
68 69
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/editormanager/editormanager.h>
70
#include <utils/uncommentselection.h>
71
#include <extensionsystem/pluginmanager.h>
con's avatar
con committed
72 73 74 75 76 77 78 79 80 81
#include <projectexplorer/projectexplorerconstants.h>
#include <texteditor/basetextdocument.h>
#include <texteditor/fontsettings.h>
#include <texteditor/texteditorconstants.h>
#include <texteditor/textblockiterator.h>
#include <indenter.h>

#include <QtCore/QDebug>
#include <QtCore/QTime>
#include <QtCore/QTimer>
82
#include <QtCore/QStack>
con's avatar
con committed
83
#include <QtGui/QAction>
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
84
#include <QtGui/QApplication>
85
#include <QtGui/QHeaderView>
con's avatar
con committed
86 87 88 89 90
#include <QtGui/QLayout>
#include <QtGui/QMenu>
#include <QtGui/QShortcut>
#include <QtGui/QTextEdit>
#include <QtGui/QComboBox>
con's avatar
con committed
91
#include <QtGui/QToolBar>
con's avatar
con committed
92
#include <QtGui/QTreeView>
93
#include <QtGui/QSortFilterProxyModel>
con's avatar
con committed
94

95 96
#include <sstream>

Roberto Raggi's avatar
Roberto Raggi committed
97
enum {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
98 99
    UPDATE_METHOD_BOX_INTERVAL = 150,
    UPDATE_USES_INTERVAL = 300
Roberto Raggi's avatar
Roberto Raggi committed
100 101
};

Roberto Raggi's avatar
Roberto Raggi committed
102 103 104
using namespace CPlusPlus;
using namespace CppEditor::Internal;

con's avatar
con committed
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123
namespace {

class OverviewTreeView : public QTreeView
{
public:
    OverviewTreeView(QWidget *parent = 0)
        : QTreeView(parent)
    {
        // TODO: Disable the root for all items (with a custom delegate?)
        setRootIsDecorated(false);
    }

    void sync()
    {
        expandAll();
        setMinimumWidth(qMax(sizeHintForColumn(0), minimumSizeHint().width()));
    }
};

Roberto Raggi's avatar
Roberto Raggi committed
124
class FindScope: protected SymbolVisitor
125
{
Roberto Raggi's avatar
Roberto Raggi committed
126 127 128 129
    TranslationUnit *_unit;
    Scope *_scope;
    unsigned _line;
    unsigned _column;
130

Roberto Raggi's avatar
Roberto Raggi committed
131 132 133
public:
    Scope *operator()(unsigned line, unsigned column,
                      Symbol *root, TranslationUnit *unit)
134
    {
Roberto Raggi's avatar
Roberto Raggi committed
135 136 137 138 139 140 141
        _unit = unit;
        _scope = 0;
        _line = line;
        _column = column;
        accept(root);
        return _scope;
    }
142

Roberto Raggi's avatar
Roberto Raggi committed
143 144
private:
    using SymbolVisitor::visit;
145

Roberto Raggi's avatar
Roberto Raggi committed
146 147
    virtual bool preVisit(Symbol *)
    { return ! _scope; }
148

Roberto Raggi's avatar
Roberto Raggi committed
149 150
    virtual bool visit(Block *block)
    { return processScope(block->members()); }
151

Roberto Raggi's avatar
Roberto Raggi committed
152 153
    virtual bool visit(Function *function)
    { return processScope(function->members()); }
154

Roberto Raggi's avatar
Roberto Raggi committed
155 156 157 158
    bool processScope(Scope *scope)
    {
        if (_scope || ! scope)
            return false;
159

Roberto Raggi's avatar
Roberto Raggi committed
160 161
        for (unsigned i = 0; i < scope->symbolCount(); ++i) {
            accept(scope->symbolAt(i));
162

Roberto Raggi's avatar
Roberto Raggi committed
163 164 165
            if (_scope)
                return false;
        }
166

Roberto Raggi's avatar
Roberto Raggi committed
167 168
        unsigned startOffset = scope->owner()->startOffset();
        unsigned endOffset = scope->owner()->endOffset();
169

Roberto Raggi's avatar
Roberto Raggi committed
170 171
        unsigned startLine, startColumn;
        unsigned endLine, endColumn;
172

Roberto Raggi's avatar
Roberto Raggi committed
173 174
        _unit->getPosition(startOffset, &startLine, &startColumn);
        _unit->getPosition(endOffset, &endLine, &endColumn);
175

Roberto Raggi's avatar
Roberto Raggi committed
176 177 178
        if (_line > startLine || (_line == startLine && _column >= startColumn)) {
            if (_line < endLine || (_line == endLine && _column < endColumn)) {
                _scope = scope;
179 180
            }
        }
Roberto Raggi's avatar
Roberto Raggi committed
181 182 183 184 185 186 187 188

        return false;
    }
};

class FindUses: protected ASTVisitor
{
    Scope *_functionScope;
189

190 191
    FindScope findScope;

192
public:
Roberto Raggi's avatar
Roberto Raggi committed
193
    FindUses(Control *control)
194 195 196
        : ASTVisitor(control)
    { }

Roberto Raggi's avatar
Roberto Raggi committed
197
    // local and external uses.
Roberto Raggi's avatar
Roberto Raggi committed
198
    SemanticInfo::LocalUseMap localUses;
Roberto Raggi's avatar
Roberto Raggi committed
199 200

    void operator()(FunctionDefinitionAST *ast)
201
    {
Roberto Raggi's avatar
Roberto Raggi committed
202 203
        localUses.clear();

204 205 206 207 208 209 210 211 212
        if (ast && ast->symbol) {
            _functionScope = ast->symbol->members();
            accept(ast);
        }
    }

protected:
    using ASTVisitor::visit;

Roberto Raggi's avatar
Roberto Raggi committed
213
    bool findMember(Scope *scope, NameAST *ast, unsigned line, unsigned column)
214
    {
Roberto Raggi's avatar
Roberto Raggi committed
215 216 217 218
        if (! (ast && ast->name))
            return false;

        Identifier *id = ast->name->identifier();
219 220 221 222 223

        if (scope) {
            for (Symbol *member = scope->lookat(id); member; member = member->next()) {
                if (member->identifier() != id)
                    continue;
Roberto Raggi's avatar
typo  
Roberto Raggi committed
224
                else if (member->line() < line || (member->line() == line && member->column() <= column)) {
Roberto Raggi's avatar
Roberto Raggi committed
225
                    localUses[member].append(SemanticInfo::Use(line, column, id->size()));
226 227 228 229 230 231 232 233
                    return true;
                }
            }
        }

        return false;
    }

234 235 236 237 238 239 240 241 242 243 244 245
    void searchUsesInTemplateArguments(NameAST *name)
    {
        if (! name)
            return;

        else if (TemplateIdAST *template_id = name->asTemplateId()) {
            for (TemplateArgumentListAST *it = template_id->template_arguments; it; it = it->next) {
                accept(it->template_argument);
            }
        }
    }

246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274
    virtual bool visit(SimpleNameAST *ast)
    {
        unsigned line, column;
        getTokenStartPosition(ast->firstToken(), &line, &column);

        Scope *scope = findScope(line, column,
                                 _functionScope->owner(),
                                 translationUnit());

        while (scope) {
            if (scope->isFunctionScope()) {
                Function *fun = scope->owner()->asFunction();
                if (findMember(fun->members(), ast, line, column))
                    return false;
                else if (findMember(fun->arguments(), ast, line, column))
                    return false;
            } else if (scope->isBlockScope()) {
                if (findMember(scope, ast, line, column))
                    return false;
            } else {
                break;
            }

            scope = scope->enclosingScope();
        }

        return false;
    }

Roberto Raggi's avatar
Roberto Raggi committed
275
    virtual bool visit(TemplateIdAST *ast)
276
    {
277 278 279
        for (TemplateArgumentListAST *arg = ast->template_arguments; arg; arg = arg->next)
            accept(arg->template_argument);

Roberto Raggi's avatar
Roberto Raggi committed
280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308
        unsigned line, column;
        getTokenStartPosition(ast->firstToken(), &line, &column);

        Scope *scope = findScope(line, column,
                                 _functionScope->owner(),
                                 translationUnit());

        while (scope) {
            if (scope->isFunctionScope()) {
                Function *fun = scope->owner()->asFunction();
                if (findMember(fun->members(), ast, line, column))
                    return false;
                else if (findMember(fun->arguments(), ast, line, column))
                    return false;
            } else if (scope->isBlockScope()) {
                if (findMember(scope, ast, line, column))
                    return false;
            } else {
                break;
            }

            scope = scope->enclosingScope();
        }

        return false;
    }

    virtual bool visit(QualifiedNameAST *ast)
    {
309 310
        for (NestedNameSpecifierAST *it = ast->nested_name_specifier; it; it = it->next)
            searchUsesInTemplateArguments(it->class_or_namespace_name);
Roberto Raggi's avatar
Roberto Raggi committed
311

312
        searchUsesInTemplateArguments(ast->unqualified_name);
313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354
        return false;
    }

    virtual bool visit(PostfixExpressionAST *ast)
    {
        accept(ast->base_expression);
        for (PostfixAST *it = ast->postfix_expressions; it; it = it->next) {
            if (it->asMemberAccess() != 0)
                continue; // skip members
            accept(it);
        }
        return false;
    }

    virtual bool visit(ElaboratedTypeSpecifierAST *)
    {
        // ### template args
        return false;
    }

    virtual bool visit(ClassSpecifierAST *)
    {
        // ### template args
        return false;
    }

    virtual bool visit(EnumSpecifierAST *)
    {
        // ### template args
        return false;
    }

    virtual bool visit(UsingDirectiveAST *)
    {
        return false;
    }

    virtual bool visit(UsingAST *ast)
    {
        accept(ast->name);
        return false;
    }
355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372

    virtual bool visit(ExpressionOrDeclarationStatementAST *ast)
    {
        accept(ast->declaration);
        return false;
    }

    virtual bool visit(FunctionDeclaratorAST *ast)
    {
        accept(ast->parameters);

        for (SpecifierAST *spec = ast->cv_qualifier_seq; spec; spec = spec->next)
            accept(spec);

        accept(ast->exception_specification);

        return false;
    }
373 374 375
};


Roberto Raggi's avatar
Roberto Raggi committed
376 377 378 379 380 381 382 383
class FunctionDefinitionUnderCursor: protected ASTVisitor
{
    unsigned _line;
    unsigned _column;
    FunctionDefinitionAST *_functionDefinition;

public:
    FunctionDefinitionUnderCursor(Control *control)
Roberto Raggi's avatar
Roberto Raggi committed
384 385
        : ASTVisitor(control),
          _line(0), _column(0)
Roberto Raggi's avatar
Roberto Raggi committed
386 387
    { }

Roberto Raggi's avatar
Roberto Raggi committed
388
    FunctionDefinitionAST *operator()(AST *ast, unsigned line, unsigned column)
Roberto Raggi's avatar
Roberto Raggi committed
389 390
    {
        _functionDefinition = 0;
Roberto Raggi's avatar
Roberto Raggi committed
391 392
        _line = line;
        _column = column;
Roberto Raggi's avatar
Roberto Raggi committed
393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461
        accept(ast);
        return _functionDefinition;
    }

protected:
    virtual bool preVisit(AST *ast)
    {
        if (_functionDefinition)
            return false;

        else if (FunctionDefinitionAST *def = ast->asFunctionDefinition()) {
            unsigned startLine, startColumn;
            unsigned endLine, endColumn;
            getTokenStartPosition(def->firstToken(), &startLine, &startColumn);
            getTokenEndPosition(def->lastToken() - 1, &endLine, &endColumn);

            if (_line > startLine || (_line == startLine && _column >= startColumn)) {
                if (_line < endLine || (_line == endLine && _column < endColumn)) {
                    _functionDefinition = def;
                    return false;
                }
            }
        }

        return true;
    }

};

class ProcessDeclarators: protected ASTVisitor
{
    QList<DeclaratorIdAST *> _declarators;
    bool _visitFunctionDeclarator;

public:
    ProcessDeclarators(Control *control)
            : ASTVisitor(control), _visitFunctionDeclarator(true)
    { }

    QList<DeclaratorIdAST *> operator()(FunctionDefinitionAST *ast)
    {
        _declarators.clear();

        if (ast) {
            if (ast->declarator) {
                _visitFunctionDeclarator = true;
                accept(ast->declarator->postfix_declarators);
            }

            _visitFunctionDeclarator = false;
            accept(ast->function_body);
        }

        return _declarators;
    }

protected:
    using ASTVisitor::visit;

    virtual bool visit(FunctionDeclaratorAST *)
    { return _visitFunctionDeclarator; }

    virtual bool visit(DeclaratorIdAST *ast)
    {
        _declarators.append(ast);
        return true;
    }
};

462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499
class FindFunctionDefinitions: protected SymbolVisitor
{
    Name *_declarationName;
    QList<Function *> *_functions;

public:
    FindFunctionDefinitions()
        : _declarationName(0),
          _functions(0)
    { }

    void operator()(Name *declarationName, Scope *globals,
                    QList<Function *> *functions)
    {
        _declarationName = declarationName;
        _functions = functions;

        for (unsigned i = 0; i < globals->symbolCount(); ++i) {
            accept(globals->symbolAt(i));
        }
    }

protected:
    using SymbolVisitor::visit;

    virtual bool visit(Function *function)
    {
        Name *name = function->name();
        if (QualifiedNameId *q = name->asQualifiedNameId())
            name = q->unqualifiedNameId();

        if (_declarationName->isEqualTo(name))
            _functions->append(function);

        return false;
    }
};

con's avatar
con committed
500 501
} // end of anonymous namespace

502
static QualifiedNameId *qualifiedNameIdForSymbol(Symbol *s, const LookupContext &context)
con's avatar
con committed
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
{
    Name *symbolName = s->name();
    if (! symbolName)
        return 0; // nothing to do.

    QVector<Name *> names;

    for (Scope *scope = s->scope(); scope; scope = scope->enclosingScope()) {
        if (scope->isClassScope() || scope->isNamespaceScope()) {
            if (scope->owner() && scope->owner()->name()) {
                Name *ownerName = scope->owner()->name();
                if (QualifiedNameId *q = ownerName->asQualifiedNameId()) {
                    for (unsigned i = 0; i < q->nameCount(); ++i) {
                        names.prepend(q->nameAt(i));
                    }
                } else {
                    names.prepend(ownerName);
                }
            }
        }
    }

    if (QualifiedNameId *q = symbolName->asQualifiedNameId()) {
        for (unsigned i = 0; i < q->nameCount(); ++i) {
            names.append(q->nameAt(i));
        }
    } else {
        names.append(symbolName);
    }

    return context.control()->qualifiedNameId(names.constData(), names.size());
}

CPPEditorEditable::CPPEditorEditable(CPPEditor *editor)
hjk's avatar
hjk committed
537
    : BaseTextEditorEditable(editor)
con's avatar
con committed
538
{
539 540 541 542
    Core::UniqueIDManager *uidm = Core::UniqueIDManager::instance();
    m_context << uidm->uniqueIdentifier(CppEditor::Constants::C_CPPEDITOR);
    m_context << uidm->uniqueIdentifier(ProjectExplorer::Constants::LANG_CXX);
    m_context << uidm->uniqueIdentifier(TextEditor::Constants::C_TEXTEDITOR);
con's avatar
con committed
543 544
}

545 546
CPPEditor::CPPEditor(QWidget *parent)
    : TextEditor::BaseTextEditor(parent)
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
547
    , m_currentRenameSelection(-1)
548
    , m_inRename(false)
549
    , m_allowSkippingOfBlockEnd(false)
con's avatar
con committed
550
{
Roberto Raggi's avatar
Roberto Raggi committed
551 552 553 554 555
    qRegisterMetaType<SemanticInfo>("SemanticInfo");

    m_semanticHighlighter = new SemanticHighlighter(this);
    m_semanticHighlighter->start();

con's avatar
con committed
556 557
    setParenthesesMatchingEnabled(true);
    setMarksVisible(true);
558
    setCodeFoldingSupported(true);
con's avatar
con committed
559
    setCodeFoldingVisible(true);
560
    baseTextDocument()->setSyntaxHighlighter(new CppHighlighter);
con's avatar
con committed
561

Roberto Raggi's avatar
Roberto Raggi committed
562
    m_modelManager = CppTools::CppModelManagerInterface::instance();
con's avatar
con committed
563 564 565 566 567 568 569 570 571

    if (m_modelManager) {
        connect(m_modelManager, SIGNAL(documentUpdated(CPlusPlus::Document::Ptr)),
                this, SLOT(onDocumentUpdated(CPlusPlus::Document::Ptr)));
    }
}

CPPEditor::~CPPEditor()
{
Roberto Raggi's avatar
Roberto Raggi committed
572 573
    m_semanticHighlighter->abort();
    m_semanticHighlighter->wait();
con's avatar
con committed
574 575 576 577 578 579 580 581 582 583 584 585 586
}

TextEditor::BaseTextEditorEditable *CPPEditor::createEditableInterface()
{
    CPPEditorEditable *editable = new CPPEditorEditable(this);
    createToolBar(editable);
    return editable;
}

void CPPEditor::createToolBar(CPPEditorEditable *editable)
{
    m_methodCombo = new QComboBox;
    m_methodCombo->setMinimumContentsLength(22);
587 588 589 590 591 592

    // Make the combo box prefer to expand
    QSizePolicy policy = m_methodCombo->sizePolicy();
    policy.setHorizontalPolicy(QSizePolicy::Expanding);
    m_methodCombo->setSizePolicy(policy);

593
    QTreeView *methodView = new OverviewTreeView;
con's avatar
con committed
594 595 596 597 598 599
    methodView->header()->hide();
    methodView->setItemsExpandable(false);
    m_methodCombo->setView(methodView);
    m_methodCombo->setMaxVisibleItems(20);

    m_overviewModel = new OverviewModel(this);
600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615
    m_proxyModel = new QSortFilterProxyModel(this);
    m_proxyModel->setSourceModel(m_overviewModel);
    if (CppPlugin::instance()->sortedMethodOverview())
        m_proxyModel->sort(0, Qt::AscendingOrder);
    else
        m_proxyModel->sort(-1, Qt::AscendingOrder); // don't sort yet, but set column for sortedMethodOverview()
    m_proxyModel->setDynamicSortFilter(true);
    m_proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
    m_methodCombo->setModel(m_proxyModel);

    m_methodCombo->setContextMenuPolicy(Qt::ActionsContextMenu);
    m_sortAction = new QAction(tr("Sort alphabetically"), m_methodCombo);
    m_sortAction->setCheckable(true);
    m_sortAction->setChecked(sortedMethodOverview());
    connect(m_sortAction, SIGNAL(toggled(bool)), CppPlugin::instance(), SLOT(setSortedMethodOverview(bool)));
    m_methodCombo->addAction(m_sortAction);
con's avatar
con committed
616

Roberto Raggi's avatar
Roberto Raggi committed
617 618 619 620 621
    m_updateMethodBoxTimer = new QTimer(this);
    m_updateMethodBoxTimer->setSingleShot(true);
    m_updateMethodBoxTimer->setInterval(UPDATE_METHOD_BOX_INTERVAL);
    connect(m_updateMethodBoxTimer, SIGNAL(timeout()), this, SLOT(updateMethodBoxIndexNow()));

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
622 623 624 625 626
    m_updateUsesTimer = new QTimer(this);
    m_updateUsesTimer->setSingleShot(true);
    m_updateUsesTimer->setInterval(UPDATE_USES_INTERVAL);
    connect(m_updateUsesTimer, SIGNAL(timeout()), this, SLOT(updateUsesNow()));

con's avatar
con committed
627 628
    connect(m_methodCombo, SIGNAL(activated(int)), this, SLOT(jumpToMethod(int)));
    connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateMethodBoxIndex()));
629
    connect(m_methodCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateMethodBoxToolTip()));
630
    connect(document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onContentsChanged(int,int,int)));
con's avatar
con committed
631 632 633

    connect(file(), SIGNAL(changed()), this, SLOT(updateFileName()));

Roberto Raggi's avatar
Roberto Raggi committed
634 635 636 637 638 639 640 641

    // set up the semantic highlighter
    connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateUses()));
    connect(this, SIGNAL(textChanged()), this, SLOT(updateUses()));

    connect(m_semanticHighlighter, SIGNAL(changed(SemanticInfo)),
            this, SLOT(updateSemanticInfo(SemanticInfo)));

con's avatar
con committed
642
    QToolBar *toolBar = static_cast<QToolBar*>(editable->toolBar());
con's avatar
con committed
643
    QList<QAction*> actions = toolBar->actions();
644 645
    QWidget *w = toolBar->widgetForAction(actions.first());
    static_cast<QHBoxLayout*>(w->layout())->insertWidget(0, m_methodCombo, 1);
con's avatar
con committed
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
void CPPEditor::inAllRenameSelections(EditOperation operation,
                                      const QTextEdit::ExtraSelection &currentRenameSelection,
                                      QTextCursor cursor,
                                      const QString &text)
{
    m_inRename = true;
    cursor.beginEditBlock();

    const int offset = cursor.position() - currentRenameSelection.cursor.anchor();

    for (int i = 0; i < m_renameSelections.size(); ++i) {
        QTextEdit::ExtraSelection &s = m_renameSelections[i];
        int pos = s.cursor.anchor();
        int endPos = s.cursor.position();
        s.cursor.setPosition(s.cursor.anchor() + offset);

        switch (operation) {
        case DeletePreviousChar:
            s.cursor.deletePreviousChar();
            --endPos;
            break;
        case DeleteChar:
            s.cursor.deleteChar();
            --endPos;
            break;
        case InsertText:
            s.cursor.insertText(text);
            endPos += text.length();
            break;
        }

        s.cursor.setPosition(pos);
        s.cursor.setPosition(endPos, QTextCursor::KeepAnchor);
    }

    cursor.endEditBlock();
    m_inRename = false;

    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
    setTextCursor(cursor);
}

690 691 692 693 694 695 696
void CPPEditor::abortRename()
{
    m_currentRenameSelection = -1;
    m_renameSelections.clear();
    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
}

con's avatar
con committed
697 698 699 700 701 702
void CPPEditor::onDocumentUpdated(Document::Ptr doc)
{
    if (doc->fileName() != file()->fileName())
        return;

    m_overviewModel->rebuild(doc);
703 704
    OverviewTreeView *treeView = static_cast<OverviewTreeView *>(m_methodCombo->view());
    treeView->sync();
Roberto Raggi's avatar
Roberto Raggi committed
705
    updateMethodBoxIndexNow();
con's avatar
con committed
706 707
}

708 709 710 711 712 713 714
void CPPEditor::reformatDocument()
{
    using namespace CPlusPlus;

    QByteArray source = toPlainText().toUtf8();

    Control control;
715
    StringLiteral *fileId = control.findOrInsertStringLiteral("<file>");
716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735
    TranslationUnit unit(&control, fileId);
    unit.setQtMocRunEnabled(true);
    unit.setSource(source.constData(), source.length());
    unit.parse();
    if (! unit.ast())
        return;

    std::ostringstream s;

    TranslationUnitAST *ast = unit.ast()->asTranslationUnit();
    PrettyPrinter pp(&control, s);
    pp(ast, source);

    const std::string str = s.str();
    QTextCursor c = textCursor();
    c.setPosition(0);
    c.movePosition(QTextCursor::End, QTextCursor::KeepAnchor);
    c.insertText(QString::fromUtf8(str.c_str(), str.length()));
}

736 737 738
CPlusPlus::Symbol *CPPEditor::findCanonicalSymbol(const QTextCursor &cursor,
                                                  Document::Ptr doc,
                                                  const Snapshot &snapshot) const
Roberto Raggi's avatar
Roberto Raggi committed
739
{
740 741 742
    if (! doc)
        return 0;

743
    QTextCursor tc = cursor;
Roberto Raggi's avatar
Roberto Raggi committed
744 745
    int line, col;
    convertPosition(tc.position(), &line, &col);
746
    ++col; // 1-based line and 1-based column
Roberto Raggi's avatar
Roberto Raggi committed
747

748 749 750 751 752
    int pos = tc.position();
    while (document()->characterAt(pos).isLetterOrNumber() ||
           document()->characterAt(pos) == QLatin1Char('_'))
        ++pos;
    tc.setPosition(pos);
Roberto Raggi's avatar
Roberto Raggi committed
753 754 755

    ExpressionUnderCursor expressionUnderCursor;
    const QString code = expressionUnderCursor(tc);
756
    // qDebug() << "code:" << code;
Roberto Raggi's avatar
Roberto Raggi committed
757 758 759 760 761 762 763 764 765 766

    TypeOfExpression typeOfExpression;
    typeOfExpression.setSnapshot(snapshot);

    Symbol *lastVisibleSymbol = doc->findSymbolAt(line, col);

    const QList<TypeOfExpression::Result> results = typeOfExpression(code, doc,
                                                                     lastVisibleSymbol,
                                                                     TypeOfExpression::Preprocess);

767 768
    NamespaceBindingPtr glo = bind(doc, snapshot);
    Symbol *canonicalSymbol = LookupContext::canonicalSymbol(results, glo.data());
769 770 771
    return canonicalSymbol;
}

772 773

void CPPEditor::findUsages()
774 775
{    
    if (Symbol *canonicalSymbol = markSymbols()) {
776
        m_modelManager->findUsages(canonicalSymbol);
777
    }
778 779 780
}

void CPPEditor::renameUsages()
781
{
782 783 784 785 786 787 788 789
    Core::EditorManager::instance()->showEditorInfoBar(QLatin1String("CppEditor.Rename"),
                                                       tr("This change cannot be undone."),
                                                       tr("Yes, I know what I am doing."),
                                                       this, SLOT(renameUsagesNow()));
}

void CPPEditor::renameUsagesNow()
{
790 791 792 793 794 795 796 797 798
    if (Symbol *canonicalSymbol = markSymbols()) {
        Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));
        m_modelManager->renameUsages(canonicalSymbol);
    }
}

Symbol *CPPEditor::markSymbols()
{
    updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
799

800 801 802 803 804 805
    m_currentRenameSelection = -1;

    QList<QTextEdit::ExtraSelection> selections;

    SemanticInfo info = m_lastSemanticInfo;

806 807 808
    Symbol *canonicalSymbol = findCanonicalSymbol(textCursor(), info.doc, info.snapshot);
    if (canonicalSymbol) {
        TranslationUnit *unit = info.doc->translationUnit();
809

810 811 812 813
        const QList<int> references = m_modelManager->references(canonicalSymbol, info.doc, info.snapshot);
        foreach (int index, references) {
            unsigned line, column;
            unit->getTokenPosition(index, &line, &column);
814

815 816
            if (column)
                --column;  // adjust the column position.
817

818
            const int len = unit->tokenAt(index).f.length;
819

820 821 822
            QTextCursor cursor(document()->findBlockByNumber(line - 1));
            cursor.setPosition(cursor.position() + column);
            cursor.setPosition(cursor.position() + len, QTextCursor::KeepAnchor);
823

824 825 826 827
            QTextEdit::ExtraSelection sel;
            sel.format = m_occurrencesFormat;
            sel.cursor = cursor;
            selections.append(sel);
828
        }
Roberto Raggi's avatar
Roberto Raggi committed
829
    }
830 831 832

    setExtraSelections(CodeSemanticsSelection, selections);
    return canonicalSymbol;
Roberto Raggi's avatar
Roberto Raggi committed
833 834
}

835
void CPPEditor::renameSymbolUnderCursor()
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
836
{
Roberto Raggi's avatar
Roberto Raggi committed
837
    updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
838

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
839 840 841 842 843 844
    QTextCursor c = textCursor();
    m_currentRenameSelection = -1;

    for (int i = 0; i < m_renameSelections.size(); ++i) {
        QTextEdit::ExtraSelection s = m_renameSelections.at(i);
        if (c.position() >= s.cursor.anchor()
845
                && c.position() <= s.cursor.position()) {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
846
            m_currentRenameSelection = i;
847
            m_renameSelections[i].format = m_occurrenceRenameFormat;
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
848 849 850 851
            setExtraSelections(CodeSemanticsSelection, m_renameSelections);
            break;
        }
    }
852 853

    if (m_renameSelections.isEmpty())
854
        renameUsages();
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
855 856
}

857 858
void CPPEditor::onContentsChanged(int position, int charsRemoved, int charsAdded)
{
859 860 861
    Q_UNUSED(position)
    Q_UNUSED(charsAdded)

862 863 864
    if (m_currentRenameSelection == -1)
        return;

865 866 867 868 869 870 871
    if (!m_inRename)
        abortRename();

    if (charsRemoved > 0)
        updateUses();
}

con's avatar
con committed
872 873 874 875 876
void CPPEditor::updateFileName()
{ }

void CPPEditor::jumpToMethod(int)
{
877
    QModelIndex index = m_proxyModel->mapToSource(m_methodCombo->view()->currentIndex());
con's avatar
con committed
878 879 880 881
    Symbol *symbol = m_overviewModel->symbolFromIndex(index);
    if (! symbol)
        return;

882
    openCppEditorAt(linkToSymbol(symbol));
con's avatar
con committed
883 884
}

885 886 887 888 889 890 891 892 893 894
void CPPEditor::setSortedMethodOverview(bool sort)
{
    if (sort != sortedMethodOverview()) {
        if (sort)
            m_proxyModel->sort(0, Qt::AscendingOrder);
        else
            m_proxyModel->sort(-1, Qt::AscendingOrder);
        bool block = m_sortAction->blockSignals(true);
        m_sortAction->setChecked(m_proxyModel->sortColumn() == 0);
        m_sortAction->blockSignals(block);
Roberto Raggi's avatar
Roberto Raggi committed
895
        updateMethodBoxIndexNow();
896 897 898 899 900 901 902 903
    }
}

bool CPPEditor::sortedMethodOverview() const
{
    return (m_proxyModel->sortColumn() == 0);
}

con's avatar
con committed
904 905
void CPPEditor::updateMethodBoxIndex()
{
Roberto Raggi's avatar
Roberto Raggi committed
906 907 908
    m_updateMethodBoxTimer->start(UPDATE_METHOD_BOX_INTERVAL);
}

909 910
void CPPEditor::highlightUses(const QList<SemanticInfo::Use> &uses,
                              QList<QTextEdit::ExtraSelection> *selections)
Roberto Raggi's avatar
Roberto Raggi committed
911
{
Roberto Raggi's avatar
Roberto Raggi committed
912
    bool isUnused = false;
Roberto Raggi's avatar
Roberto Raggi committed
913 914

    if (uses.size() == 1)
Roberto Raggi's avatar
Roberto Raggi committed
915
        isUnused = true;
Roberto Raggi's avatar
Roberto Raggi committed
916

Roberto Raggi's avatar
Roberto Raggi committed
917
    foreach (const SemanticInfo::Use &use, uses) {
Roberto Raggi's avatar
Roberto Raggi committed
918
        QTextEdit::ExtraSelection sel;
Roberto Raggi's avatar
Roberto Raggi committed
919

Roberto Raggi's avatar
Roberto Raggi committed
920
        if (isUnused)
921
            sel.format = m_occurrencesUnusedFormat;
Roberto Raggi's avatar
Roberto Raggi committed
922
        else
923
            sel.format = m_occurrencesFormat;
Roberto Raggi's avatar
Roberto Raggi committed
924

925
        const int anchor = document()->findBlockByNumber(use.line - 1).position() + use.column - 1;
Roberto Raggi's avatar
Roberto Raggi committed
926
        const int position = anchor + use.length;
Roberto Raggi's avatar
Roberto Raggi committed
927

928
        sel.cursor = QTextCursor(document());
Roberto Raggi's avatar
Roberto Raggi committed
929 930
        sel.cursor.setPosition(anchor);
        sel.cursor.setPosition(position, QTextCursor::KeepAnchor);
Roberto Raggi's avatar
Roberto Raggi committed
931

Roberto Raggi's avatar
Roberto Raggi committed
932
        selections->append(sel);
Roberto Raggi's avatar
Roberto Raggi committed
933 934 935
    }
}

Roberto Raggi's avatar
Roberto Raggi committed
936 937 938 939
void CPPEditor::updateMethodBoxIndexNow()
{
    m_updateMethodBoxTimer->stop();

con's avatar
con committed
940 941 942 943 944
    int line = 0, column = 0;
    convertPosition(position(), &line, &column);

    QModelIndex lastIndex;

945
    const int rc = m_overviewModel->rowCount();
con's avatar
con committed
946 947 948
    for (int row = 0; row < rc; ++row) {
        const QModelIndex index = m_overviewModel->index(row, 0, QModelIndex());
        Symbol *symbol = m_overviewModel->symbolFromIndex(index);
949
        if (symbol && symbol->line() > unsigned(line))
con's avatar
con committed
950 951 952 953 954 955
            break;
        lastIndex = index;
    }

    if (lastIndex.isValid()) {
        bool blocked = m_methodCombo->blockSignals(true);
956
        m_methodCombo->setCurrentIndex(m_proxyModel->mapFromSource(lastIndex).row());
957
        updateMethodBoxToolTip();
con's avatar
con committed
958 959
        (void) m_methodCombo->blockSignals(blocked);
    }
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
}

void CPPEditor::updateMethodBoxToolTip()
{
    m_methodCombo->setToolTip(m_methodCombo->currentText());
}

void CPPEditor::updateUses()
{
    m_updateUsesTimer->start(UPDATE_USES_INTERVAL);
}

void CPPEditor::updateUsesNow()
{
    m_updateUsesTimer->stop();

    if (m_currentRenameSelection != -1)
        return;

Roberto Raggi's avatar
Roberto Raggi committed
979
    semanticRehighlight();
con's avatar
con committed
980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996
}

static bool isCompatible(Name *name, Name *otherName)
{
    if (NameId *nameId = name->asNameId()) {
        if (TemplateNameId *otherTemplId = otherName->asTemplateNameId())
            return nameId->identifier()->isEqualTo(otherTemplId->identifier());
    } else if (TemplateNameId *templId = name->asTemplateNameId()) {
        if (NameId *otherNameId = otherName->asNameId())
            return templId->identifier()->isEqualTo(otherNameId->identifier());
    }

    return name->isEqualTo(otherName);
}

static bool isCompatible(Function *definition, Symbol *declaration, QualifiedNameId *declarationName)
{
997
    Function *declTy = declaration->type()->asFunctionType();
con's avatar
con committed
998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041
    if (! declTy)
        return false;

    Name *definitionName = definition->name();
    if (QualifiedNameId *q = definitionName->asQualifiedNameId()) {
        if (! isCompatible(q->unqualifiedNameId(), declaration->name()))
            return false;
        else if (q->nameCount() > declarationName->nameCount())
            return false;
        else if (declTy->argumentCount() != definition->argumentCount())
            return false;
        else if (declTy->isConst() != definition->isConst())
            return false;
        else if (declTy->isVolatile() != definition->isVolatile())
            return false;

        for (unsigned i = 0; i < definition->argumentCount(); ++i) {
            Symbol *arg = definition->argumentAt(i);
            Symbol *otherArg = declTy->argumentAt(i);
            if (! arg->type().isEqualTo(otherArg->type()))
                return false;
        }

        for (unsigned i = 0; i != q->nameCount(); ++i) {
            Name *n = q->nameAt(q->nameCount() - i - 1);
            Name *m = declarationName->nameAt(declarationName->nameCount() - i - 1);
            if (! isCompatible(n, m))
                return false;
        }
        return true;
    } else {
        // ### TODO: implement isCompatible for unqualified name ids.
    }
    return false;
}

void CPPEditor::switchDeclarationDefinition()
{
    int line = 0, column = 0;
    convertPosition(position(), &line, &column);

    if (!m_modelManager)
        return;

1042 1043 1044
    const Snapshot snapshot = m_modelManager->snapshot();

    Document::Ptr doc = snapshot.value(file()->fileName());
con's avatar
con committed
1045 1046 1047 1048 1049 1050 1051
    if (!doc)
        return;
    Symbol *lastSymbol = doc->findSymbolAt(line, column);
    if (!lastSymbol || !lastSymbol->scope())
        return;

    Function *f = lastSymbol->asFunction();
1052
    if (!f) {
con's avatar
con committed
1053
        Scope *fs = lastSymbol->scope();
1054
        if (!fs->isFunctionScope())
con's avatar
con committed
1055 1056 1057 1058 1059 1060 1061
            fs = fs->enclosingFunctionScope();
        if (fs)
            f = fs->owner()->asFunction();
    }

    if (f) {
        TypeOfExpression typeOfExpression;
1062
        typeOfExpression.setSnapshot(m_modelManager->snapshot());
con's avatar
con committed
1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078
        QList<TypeOfExpression::Result> resolvedSymbols = typeOfExpression(QString(), doc, lastSymbol);
        const LookupContext &context = typeOfExpression.lookupContext();

        QualifiedNameId *q = qualifiedNameIdForSymbol(f, context);
        QList<Symbol *> symbols = context.resolve(q);

        Symbol *declaration = 0;
        foreach (declaration, symbols) {
            if (isCompatible(f, declaration, q))
                break;
        }

        if (! declaration && ! symbols.isEmpty())
            declaration = symbols.first();

        if (declaration)
1079
            openCppEditorAt(linkToSymbol(declaration));
1080
    } else if (lastSymbol->type()->isFunctionType()) {
con's avatar
con committed
1081
        if (Symbol *def = findDefinition(lastSymbol))
1082
            openCppEditorAt(linkToSymbol(def));
con's avatar
con committed
1083 1084 1085
    }
}

1086
CPPEditor::Link CPPEditor::findLinkAt(const QTextCursor &cursor,
1087
                                      bool resolveTarget)
con's avatar
con committed
1088
{
1089
    Link link;
1090

con's avatar
con committed
1091
    if (!m_modelManager)
1092
        return link;
con's avatar
con committed
1093

1094
    const Snapshot snapshot = m_modelManager->snapshot();
con's avatar
con committed
1095
    int line = 0, column = 0;
1096
    convertPosition(cursor.position(), &line, &column);
1097
    Document::Ptr doc = snapshot.value(file()->fileName());
con's avatar
con committed
1098
    if (!doc)
1099
        return link;
1100

1101
    QTextCursor tc = cursor;
1102

1103 1104 1105 1106 1107 1108 1109
    // Make sure we're not at the start of a word
    {
        const QChar c = characterAt(tc.position());
        if (c.isLetter() || c == QLatin1Char('_'))
            tc.movePosition(QTextCursor::Right);
    }

1110
    static TokenUnderCursor tokenUnderCursor;
1111 1112 1113 1114

    QTextBlock block;
    const SimpleToken tk = tokenUnderCursor(tc, &block);

1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127
    // Handle include directives
    if (tk.is(T_STRING_LITERAL) || tk.is(T_ANGLE_STRING_LITERAL)) {
        const unsigned lineno = cursor.blockNumber() + 1;
        foreach (const Document::Include &incl, doc->includes()) {
            if (incl.line() == lineno && incl.resolved()) {
                link.fileName = incl.fileName();
                link.pos = cursor.block().position() + tk.position() + 1;
                link.length = tk.length() - 2;
                return link;
            }
        }
    }

1128 1129 1130
    if (tk.isNot(T_IDENTIFIER))
        return link;

1131 1132 1133 1134 1135
    // Find the last symbol up to the cursor position
    Symbol *lastSymbol = doc->findSymbolAt(line, column);
    if (!lastSymbol)
        return link;

1136 1137
    const int nameStart = tk.position();
    const int nameLength = tk.length();
1138
    const int endOfName = block.position() + nameStart + nameLength;
1139 1140

    const QString name = block.text().mid(nameStart, nameLength);
1141
    tc.setPosition(endOfName);
1142 1143

    // Evaluate the type of the expression under the cursor
con's avatar
con committed
1144 1145 1146
    ExpressionUnderCursor expressionUnderCursor;
    const QString expression = expressionUnderCursor(tc);
    TypeOfExpression typeOfExpression;
1147
    typeOfExpression.setSnapshot(snapshot);
con's avatar
con committed
1148 1149 1150 1151
    QList<TypeOfExpression::Result> resolvedSymbols =
            typeOfExpression(expression, doc, lastSymbol);

    if (!resolvedSymbols.isEmpty()) {
1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164
        TypeOfExpression::Result result = resolvedSymbols.first();

        if (result.first->isForwardClassDeclarationType()) {
            while (! resolvedSymbols.isEmpty()) {
                TypeOfExpression::Result r = resolvedSymbols.takeFirst();

                if (! r.first->isForwardClassDeclarationType()) {
                    result = r;
                    break;
                }
            }
        }

1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186
        if (result.first->isObjCForwardClassDeclarationType()) {
            while (! resolvedSymbols.isEmpty()) {
                TypeOfExpression::Result r = resolvedSymbols.takeFirst();

                if (! r.first->isObjCForwardClassDeclarationType()) {
                    result = r;
                    break;
                }
            }
        }

        if (result.first->isObjCForwardProtocolDeclarationType()) {
            while (! resolvedSymbols.isEmpty()) {
                TypeOfExpression::Result r = resolvedSymbols.takeFirst();

                if (! r.first->isObjCForwardProtocolDeclarationType()) {
                    result = r;
                    break;
                }
            }
        }

1187
        if (Symbol *symbol = result.second) {
con's avatar
con committed
1188
            Symbol *def = 0;
1189
            if (resolveTarget && !lastSymbol->isFunction())
con's avatar
con committed
1190 1191
                def = findDefinition(symbol);

1192
            link = linkToSymbol(def ? def : symbol);
1193
            link.pos = block.position() + nameStart;
1194 1195
            link.length = nameLength;
            return link;
con's avatar
con committed
1196 1197 1198 1199 1200 1201 1202

        // This would jump to the type of a name
#if 0
        } else if (NamedType *namedType = firstType->asNamedType()) {
            QList<Symbol *> candidates = context.resolve(namedType->name());
            if (!candidates.isEmpty()) {
                Symbol *s = candidates.takeFirst();
1203
                openCppEditorAt(s->fileName(), s->line(), s->column());
con's avatar
con committed
1204 1205 1206 1207
            }
#endif
        }
    } else {
1208
        // Handle macro uses
Roberto Raggi's avatar
Roberto Raggi committed
1209 1210 1211
        foreach (const Document::MacroUse use, doc->macroUses()) {
            if (use.contains(endOfName - 1)) {
                const Macro &macro = use.macro();
1212
                link.fileName = macro.fileName();
1213 1214 1215 1216
                link.line = macro.line();
                link.pos = use.begin();
                link.length = use.end() - use.begin();
                return link;
Roberto Raggi's avatar
Roberto Raggi committed
1217 1218
            }
        }
con's avatar
con committed
1219
    }
1220

1221
    return link;
1222 1223 1224 1225
}

void CPPEditor::jumpToDefinition()
{
1226
    openLink(findLinkAt(textCursor()));
con's avatar
con committed
1227 1228
}