cppeditor.cpp 68.4 KB
Newer Older
1
/**************************************************************************
con's avatar
con committed
2 3 4
**
** This file is part of Qt Creator
**
hjk's avatar
hjk committed
5
** Copyright (c) 2010 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
#include "cppeditor.h"
#include "cppeditorconstants.h"
#include "cppplugin.h"
#include "cpphighlighter.h"
Roberto Raggi's avatar
Roberto Raggi committed
34
#include "cppchecksymbols.h"
35
#include "cppquickfix.h"
36
#include "cpplocalsymbols.h"
37
#include "cppquickfixcollector.h"
38
#include "cppqtstyleindenter.h"
39
#include "cppautocompleter.h"
Roberto Raggi's avatar
Roberto Raggi committed
40

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

Roberto Raggi's avatar
Roberto Raggi committed
62
#include <cpptools/cpptoolsplugin.h>
con's avatar
con committed
63
#include <cpptools/cppmodelmanagerinterface.h>
64
#include <cpptools/cpptoolsconstants.h>
Christian Kamm's avatar
Christian Kamm committed
65
#include <cpptools/cppcodeformatter.h>
con's avatar
con committed
66 67

#include <coreplugin/icore.h>
68
#include <coreplugin/actionmanager/actionmanager.h>
69
#include <coreplugin/actionmanager/actioncontainer.h>
70
#include <coreplugin/actionmanager/command.h>
71
#include <coreplugin/uniqueidmanager.h>
con's avatar
con committed
72 73
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/editormanager/editormanager.h>
dt's avatar
dt committed
74
#include <coreplugin/mimedatabase.h>
75
#include <utils/uncommentselection.h>
76
#include <extensionsystem/pluginmanager.h>
con's avatar
con committed
77 78
#include <projectexplorer/projectexplorerconstants.h>
#include <texteditor/basetextdocument.h>
79
#include <texteditor/basetextdocumentlayout.h>
con's avatar
con committed
80
#include <texteditor/fontsettings.h>
81
#include <texteditor/tabsettings.h>
con's avatar
con committed
82 83 84 85 86
#include <texteditor/texteditorconstants.h>

#include <QtCore/QDebug>
#include <QtCore/QTime>
#include <QtCore/QTimer>
87
#include <QtCore/QStack>
88
#include <QtCore/QSettings>
89
#include <QtCore/QSignalMapper>
con's avatar
con committed
90
#include <QtGui/QAction>
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
91
#include <QtGui/QApplication>
92
#include <QtGui/QHeaderView>
con's avatar
con committed
93 94 95 96 97
#include <QtGui/QLayout>
#include <QtGui/QMenu>
#include <QtGui/QShortcut>
#include <QtGui/QTextEdit>
#include <QtGui/QComboBox>
con's avatar
con committed
98
#include <QtGui/QToolBar>
con's avatar
con committed
99
#include <QtGui/QTreeView>
100
#include <QtGui/QSortFilterProxyModel>
con's avatar
con committed
101

102 103
#include <sstream>

Roberto Raggi's avatar
Roberto Raggi committed
104
enum {
105 106
    UPDATE_OUTLINE_INTERVAL = 500,
    UPDATE_USES_INTERVAL = 500
Roberto Raggi's avatar
Roberto Raggi committed
107 108
};

Roberto Raggi's avatar
Roberto Raggi committed
109 110 111
using namespace CPlusPlus;
using namespace CppEditor::Internal;

112 113 114 115
namespace {
bool semanticHighlighterDisabled = qstrcmp(qVersion(), "4.7.0") == 0;
}

116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140
static QList<QTextEdit::ExtraSelection> createSelections(QTextDocument *document,
                                                         const QList<CPlusPlus::Document::DiagnosticMessage> &msgs,
                                                         const QTextCharFormat &format)
{
    QList<QTextEdit::ExtraSelection> selections;

    foreach (const Document::DiagnosticMessage &m, msgs) {
        const int pos = document->findBlockByNumber(m.line() - 1).position() + m.column() - 1;
        if (pos < 0)
            continue;

        QTextCursor cursor(document);
        cursor.setPosition(pos);
        cursor.movePosition(QTextCursor::NextCharacter, QTextCursor::KeepAnchor, m.length());

        QTextEdit::ExtraSelection sel;
        sel.cursor = cursor;
        sel.format = format;
        sel.format.setToolTip(m.text());
        selections.append(sel);
    }

    return selections;
}

con's avatar
con committed
141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159
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()));
    }
};

160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184
class OverviewProxyModel : public QSortFilterProxyModel
{
    Q_OBJECT
public:
    OverviewProxyModel(CPlusPlus::OverviewModel *sourceModel, QObject *parent) :
        QSortFilterProxyModel(parent),
        m_sourceModel(sourceModel)
    {
        setSourceModel(m_sourceModel);
    }

    bool filterAcceptsRow(int sourceRow,const QModelIndex &sourceParent) const
    {
        // ignore generated symbols, e.g. by macro expansion (Q_OBJECT)
        const QModelIndex sourceIndex = m_sourceModel->index(sourceRow, 0, sourceParent);
        CPlusPlus::Symbol *symbol = m_sourceModel->symbolFromIndex(sourceIndex);
        if (symbol && symbol->isGenerated())
            return false;

        return QSortFilterProxyModel::filterAcceptsRow(sourceRow, sourceParent);
    }
private:
    CPlusPlus::OverviewModel *m_sourceModel;
};

Roberto Raggi's avatar
Roberto Raggi committed
185 186 187 188
class FunctionDefinitionUnderCursor: protected ASTVisitor
{
    unsigned _line;
    unsigned _column;
189
    DeclarationAST *_functionDefinition;
Roberto Raggi's avatar
Roberto Raggi committed
190 191

public:
Roberto Raggi's avatar
Roberto Raggi committed
192 193
    FunctionDefinitionUnderCursor(TranslationUnit *translationUnit)
        : ASTVisitor(translationUnit),
Roberto Raggi's avatar
Roberto Raggi committed
194
          _line(0), _column(0)
Roberto Raggi's avatar
Roberto Raggi committed
195 196
    { }

197
    DeclarationAST *operator()(AST *ast, unsigned line, unsigned column)
Roberto Raggi's avatar
Roberto Raggi committed
198 199
    {
        _functionDefinition = 0;
Roberto Raggi's avatar
Roberto Raggi committed
200 201
        _line = line;
        _column = column;
Roberto Raggi's avatar
Roberto Raggi committed
202 203 204 205 206 207 208 209 210 211 212
        accept(ast);
        return _functionDefinition;
    }

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

        else if (FunctionDefinitionAST *def = ast->asFunctionDefinition()) {
213 214 215 216 217 218
            return checkDeclaration(def);
        }

        else if (ObjCMethodDeclarationAST *method = ast->asObjCMethodDeclaration()) {
            if (method->function_body)
                return checkDeclaration(method);
Roberto Raggi's avatar
Roberto Raggi committed
219 220 221 222 223
        }

        return true;
    }

224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
private:
    bool checkDeclaration(DeclarationAST *ast)
    {
        unsigned startLine, startColumn;
        unsigned endLine, endColumn;
        getTokenStartPosition(ast->firstToken(), &startLine, &startColumn);
        getTokenEndPosition(ast->lastToken() - 1, &endLine, &endColumn);

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

        return true;
    }
Roberto Raggi's avatar
Roberto Raggi committed
241 242
};

243 244
class FindFunctionDefinitions: protected SymbolVisitor
{
Roberto Raggi's avatar
Roberto Raggi committed
245
    const Name *_declarationName;
246 247 248 249 250 251 252 253
    QList<Function *> *_functions;

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

Roberto Raggi's avatar
Roberto Raggi committed
254
    void operator()(const Name *declarationName, Scope *globals,
255 256 257 258 259
                    QList<Function *> *functions)
    {
        _declarationName = declarationName;
        _functions = functions;

Roberto Raggi's avatar
Roberto Raggi committed
260 261
        for (unsigned i = 0; i < globals->memberCount(); ++i) {
            accept(globals->memberAt(i));
262 263 264 265 266 267 268 269
        }
    }

protected:
    using SymbolVisitor::visit;

    virtual bool visit(Function *function)
    {
Roberto Raggi's avatar
Roberto Raggi committed
270 271
        const Name *name = function->name();
        if (const QualifiedNameId *q = name->asQualifiedNameId())
272
            name = q->name();
273 274 275 276 277 278 279 280

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

        return false;
    }
};

281

282
struct CanonicalSymbol
283 284 285 286 287
{
    CPPEditor *editor;
    TypeOfExpression typeOfExpression;
    SemanticInfo info;

288
    CanonicalSymbol(CPPEditor *editor, const SemanticInfo &info)
Erik Verbruggen's avatar
Erik Verbruggen committed
289
        : editor(editor), info(info)
290 291 292 293 294 295 296 297 298
    {
        typeOfExpression.init(info.doc, info.snapshot);
    }

    const LookupContext &context() const
    {
        return typeOfExpression.context();
    }

299
    static inline bool isIdentifierChar(const QChar &ch)
300 301 302 303
    {
        return ch.isLetterOrNumber() || ch == QLatin1Char('_');
    }

304 305 306 307 308 309 310 311
    Scope *getScopeAndExpression(const QTextCursor &cursor, QString *code)
    {
        return getScopeAndExpression(editor, info, cursor, code);
    }

    static Scope *getScopeAndExpression(CPPEditor *editor, const SemanticInfo &info,
                                        const QTextCursor &cursor,
                                        QString *code)
312 313 314 315 316 317 318 319 320 321 322 323
    {
        if (! info.doc)
            return 0;

        QTextCursor tc = cursor;
        int line, col;
        editor->convertPosition(tc.position(), &line, &col);
        ++col; // 1-based line and 1-based column

        QTextDocument *document = editor->document();

        int pos = tc.position();
324 325 326 327 328 329

        if (! isIdentifierChar(document->characterAt(pos)))
            if (! (pos > 0 && isIdentifierChar(document->characterAt(pos - 1))))
                return 0;

        while (isIdentifierChar(document->characterAt(pos)))
330 331 332
            ++pos;
        tc.setPosition(pos);

333 334 335 336 337 338 339 340 341 342 343
        ExpressionUnderCursor expressionUnderCursor;
        *code = expressionUnderCursor(tc);
        return info.doc->scopeAt(line, col);
    }

    Symbol *operator()(const QTextCursor &cursor)
    {
        QString code;

        if (Scope *scope = getScopeAndExpression(cursor, &code))
            return operator()(scope, code);
344

345 346 347 348 349 350 351 352 353 354
        return 0;
    }

    Symbol *operator()(Scope *scope, const QString &code)
    {
        return canonicalSymbol(scope, code, typeOfExpression);
    }

    static Symbol *canonicalSymbol(Scope *scope, const QString &code, TypeOfExpression &typeOfExpression)
    {
355
        const QList<LookupItem> results = typeOfExpression(code, scope, TypeOfExpression::Preprocess);
356

Roberto Raggi's avatar
Roberto Raggi committed
357 358
        for (int i = results.size() - 1; i != -1; --i) {
            const LookupItem &r = results.at(i);
359
            Symbol *decl = r.declaration();
Roberto Raggi's avatar
Roberto Raggi committed
360

361
            if (! (decl && decl->enclosingScope()))
Roberto Raggi's avatar
Roberto Raggi committed
362 363
                break;

364
            if (Class *classScope = r.declaration()->enclosingScope()->asClass()) {
365 366 367 368 369 370 371 372 373 374 375
                const Identifier *declId = decl->identifier();
                const Identifier *classId = classScope->identifier();

                if (classId && classId->isEqualTo(declId))
                    continue; // skip it, it's a ctor or a dtor.

                else if (Function *funTy = r.declaration()->type()->asFunctionType()) {
                    if (funTy->isVirtual())
                        return r.declaration();
                }
            }
Roberto Raggi's avatar
Roberto Raggi committed
376 377 378
        }

        for (int i = 0; i < results.size(); ++i) {
379 380 381 382 383 384 385 386
            const LookupItem &r = results.at(i);

            if (r.declaration())
                return r.declaration();
        }

        return 0;
    }
387

388 389
};

390 391 392

int numberOfClosedEditors = 0;

con's avatar
con committed
393 394 395
} // end of anonymous namespace

CPPEditorEditable::CPPEditorEditable(CPPEditor *editor)
hjk's avatar
hjk committed
396
    : BaseTextEditorEditable(editor)
con's avatar
con committed
397
{
398 399 400
    m_context.add(CppEditor::Constants::C_CPPEDITOR);
    m_context.add(ProjectExplorer::Constants::LANG_CXX);
    m_context.add(TextEditor::Constants::C_TEXTEDITOR);
con's avatar
con committed
401 402
}

403 404
CPPEditor::CPPEditor(QWidget *parent)
    : TextEditor::BaseTextEditor(parent)
405
    , m_currentRenameSelection(NoCurrentRenameSelection)
406
    , m_inRename(false)
mae's avatar
mae committed
407 408
    , m_inRenameChanged(false)
    , m_firstRenameChange(false)
409
    , m_objcEnabled(false)
con's avatar
con committed
410
{
Roberto Raggi's avatar
Roberto Raggi committed
411
    m_initialized = false;
412
    qRegisterMetaType<CppEditor::Internal::SemanticInfo>("CppEditor::Internal::SemanticInfo");
Roberto Raggi's avatar
Roberto Raggi committed
413 414 415 416

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

con's avatar
con committed
417 418
    setParenthesesMatchingEnabled(true);
    setMarksVisible(true);
419
    setCodeFoldingSupported(true);
420
    setIndenter(new CppQtStyleIndenter);
421
    setAutoCompleter(new CppAutoCompleter);
dt's avatar
dt committed
422

423
    baseTextDocument()->setSyntaxHighlighter(new CppHighlighter);
con's avatar
con committed
424

Roberto Raggi's avatar
Roberto Raggi committed
425
    m_modelManager = CppTools::CppModelManagerInterface::instance();
con's avatar
con committed
426 427 428 429 430

    if (m_modelManager) {
        connect(m_modelManager, SIGNAL(documentUpdated(CPlusPlus::Document::Ptr)),
                this, SLOT(onDocumentUpdated(CPlusPlus::Document::Ptr)));
    }
431

432 433
    m_highlightRevision = 0;
    m_nextHighlightBlockNumber = 0;
434 435
    connect(&m_highlightWatcher, SIGNAL(resultsReadyAt(int,int)), SLOT(highlightSymbolUsages(int,int)));
    connect(&m_highlightWatcher, SIGNAL(finished()), SLOT(finishHighlightSymbolUsages()));
436 437 438 439

    m_referencesRevision = 0;
    m_referencesCursorPosition = 0;
    connect(&m_referencesWatcher, SIGNAL(finished()), SLOT(markSymbolsNow()));
con's avatar
con committed
440 441 442 443
}

CPPEditor::~CPPEditor()
{
444 445
    if (Core::EditorManager *em = Core::EditorManager::instance())
        em->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));
446

Roberto Raggi's avatar
Roberto Raggi committed
447 448
    m_semanticHighlighter->abort();
    m_semanticHighlighter->wait();
449 450 451 452 453 454

    ++numberOfClosedEditors;
    if (numberOfClosedEditors == 5) {
        m_modelManager->GC();
        numberOfClosedEditors = 0;
    }
con's avatar
con committed
455 456 457 458 459 460 461 462 463 464 465
}

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

void CPPEditor::createToolBar(CPPEditorEditable *editable)
{
Kai Koehne's avatar
Kai Koehne committed
466 467
    m_outlineCombo = new QComboBox;
    m_outlineCombo->setMinimumContentsLength(22);
468 469

    // Make the combo box prefer to expand
Kai Koehne's avatar
Kai Koehne committed
470
    QSizePolicy policy = m_outlineCombo->sizePolicy();
471
    policy.setHorizontalPolicy(QSizePolicy::Expanding);
Kai Koehne's avatar
Kai Koehne committed
472
    m_outlineCombo->setSizePolicy(policy);
473

Kai Koehne's avatar
Kai Koehne committed
474 475 476 477 478
    QTreeView *outlineView = new OverviewTreeView;
    outlineView->header()->hide();
    outlineView->setItemsExpandable(false);
    m_outlineCombo->setView(outlineView);
    m_outlineCombo->setMaxVisibleItems(20);
con's avatar
con committed
479

Kai Koehne's avatar
Kai Koehne committed
480 481 482
    m_outlineModel = new OverviewModel(this);
    m_proxyModel = new OverviewProxyModel(m_outlineModel, this);
    if (CppPlugin::instance()->sortedOutline())
483 484
        m_proxyModel->sort(0, Qt::AscendingOrder);
    else
Kai Koehne's avatar
Kai Koehne committed
485
        m_proxyModel->sort(-1, Qt::AscendingOrder); // don't sort yet, but set column for sortedOutline()
486 487
    m_proxyModel->setDynamicSortFilter(true);
    m_proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
Kai Koehne's avatar
Kai Koehne committed
488
    m_outlineCombo->setModel(m_proxyModel);
489

Kai Koehne's avatar
Kai Koehne committed
490 491
    m_outlineCombo->setContextMenuPolicy(Qt::ActionsContextMenu);
    m_sortAction = new QAction(tr("Sort Alphabetically"), m_outlineCombo);
492
    m_sortAction->setCheckable(true);
Kai Koehne's avatar
Kai Koehne committed
493 494 495
    m_sortAction->setChecked(sortedOutline());
    connect(m_sortAction, SIGNAL(toggled(bool)), CppPlugin::instance(), SLOT(setSortedOutline(bool)));
    m_outlineCombo->addAction(m_sortAction);
con's avatar
con committed
496

497 498 499 500 501
    m_updateOutlineTimer = new QTimer(this);
    m_updateOutlineTimer->setSingleShot(true);
    m_updateOutlineTimer->setInterval(UPDATE_OUTLINE_INTERVAL);
    connect(m_updateOutlineTimer, SIGNAL(timeout()), this, SLOT(updateOutlineNow()));

Kai Koehne's avatar
Kai Koehne committed
502 503 504 505
    m_updateOutlineIndexTimer = new QTimer(this);
    m_updateOutlineIndexTimer->setSingleShot(true);
    m_updateOutlineIndexTimer->setInterval(UPDATE_OUTLINE_INTERVAL);
    connect(m_updateOutlineIndexTimer, SIGNAL(timeout()), this, SLOT(updateOutlineIndexNow()));
Roberto Raggi's avatar
Roberto Raggi committed
506

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
507 508 509 510 511
    m_updateUsesTimer = new QTimer(this);
    m_updateUsesTimer->setSingleShot(true);
    m_updateUsesTimer->setInterval(UPDATE_USES_INTERVAL);
    connect(m_updateUsesTimer, SIGNAL(timeout()), this, SLOT(updateUsesNow()));

Kai Koehne's avatar
Kai Koehne committed
512 513 514
    connect(m_outlineCombo, SIGNAL(activated(int)), this, SLOT(jumpToOutlineElement(int)));
    connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateOutlineIndex()));
    connect(m_outlineCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateOutlineToolTip()));
515
    connect(document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onContentsChanged(int,int,int)));
con's avatar
con committed
516 517 518

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

Roberto Raggi's avatar
Roberto Raggi committed
519 520 521 522 523

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

524 525
    connect(m_semanticHighlighter, SIGNAL(changed(CppEditor::Internal::SemanticInfo)),
            this, SLOT(updateSemanticInfo(CppEditor::Internal::SemanticInfo)));
Roberto Raggi's avatar
Roberto Raggi committed
526

con's avatar
con committed
527
    QToolBar *toolBar = static_cast<QToolBar*>(editable->toolBar());
con's avatar
con committed
528
    QList<QAction*> actions = toolBar->actions();
529
    QWidget *w = toolBar->widgetForAction(actions.first());
Kai Koehne's avatar
Kai Koehne committed
530
    static_cast<QHBoxLayout*>(w->layout())->insertWidget(0, m_outlineCombo, 1);
con's avatar
con committed
531 532
}

mae's avatar
mae committed
533 534
void CPPEditor::paste()
{
535
    if (m_currentRenameSelection == NoCurrentRenameSelection) {
mae's avatar
mae committed
536 537 538 539 540 541 542 543 544 545 546
        BaseTextEditor::paste();
        return;
    }

    startRename();
    BaseTextEditor::paste();
    finishRename();
}

void CPPEditor::cut()
{
547
    if (m_currentRenameSelection == NoCurrentRenameSelection) {
mae's avatar
mae committed
548 549 550 551 552 553 554 555 556
        BaseTextEditor::cut();
        return;
    }

    startRename();
    BaseTextEditor::cut();
    finishRename();
}

557 558 559 560 561
CppTools::CppModelManagerInterface *CPPEditor::modelManager() const
{
    return m_modelManager;
}

562 563 564 565 566 567 568 569 570 571 572 573 574 575
void CPPEditor::setMimeType(const QString &mt)
{
    BaseTextEditor::setMimeType(mt);
    setObjCEnabled(mt == CppTools::Constants::OBJECTIVE_CPP_SOURCE_MIMETYPE);
}

void CPPEditor::setObjCEnabled(bool onoff)
{
    m_objcEnabled = onoff;
}

bool CPPEditor::isObjCEnabled() const
{ return m_objcEnabled; }

mae's avatar
mae committed
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611
void CPPEditor::startRename()
{
    m_inRenameChanged = false;
}

void CPPEditor::finishRename()
{
    if (!m_inRenameChanged)
        return;

    m_inRename = true;

    QTextCursor cursor = textCursor();
    cursor.joinPreviousEditBlock();

    cursor.setPosition(m_currentRenameSelectionEnd.position());
    cursor.setPosition(m_currentRenameSelectionBegin.position(), QTextCursor::KeepAnchor);
    m_renameSelections[m_currentRenameSelection].cursor = cursor;
    QString text = cursor.selectedText();

    for (int i = 0; i < m_renameSelections.size(); ++i) {
        if (i == m_currentRenameSelection)
            continue;
        QTextEdit::ExtraSelection &s = m_renameSelections[i];
        int pos = s.cursor.selectionStart();
        s.cursor.removeSelectedText();
        s.cursor.insertText(text);
        s.cursor.setPosition(pos, QTextCursor::KeepAnchor);
    }

    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
    cursor.endEditBlock();

    m_inRename = false;
}

612 613
void CPPEditor::abortRename()
{
614
    if (m_currentRenameSelection <= NoCurrentRenameSelection)
mae's avatar
mae committed
615
        return;
616
    m_renameSelections[m_currentRenameSelection].format = m_occurrencesFormat;
617
    m_currentRenameSelection = NoCurrentRenameSelection;
mae's avatar
mae committed
618 619
    m_currentRenameSelectionBegin = QTextCursor();
    m_currentRenameSelectionEnd = QTextCursor();
620 621 622
    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
}

623 624 625 626 627 628
void CPPEditor::rehighlight(bool force)
{
    const SemanticHighlighter::Source source = currentSource(force);
    m_semanticHighlighter->rehighlight(source);
}

con's avatar
con committed
629 630 631 632 633
void CPPEditor::onDocumentUpdated(Document::Ptr doc)
{
    if (doc->fileName() != file()->fileName())
        return;

634 635 636
    if (doc->editorRevision() != editorRevision())
        return;

Roberto Raggi's avatar
Roberto Raggi committed
637 638
    if (! m_initialized) {
        m_initialized = true;
639
        rehighlight(/* force = */ true);
Roberto Raggi's avatar
Roberto Raggi committed
640 641
    }

642
    m_updateOutlineTimer->start();
con's avatar
con committed
643 644
}

645
const Macro *CPPEditor::findCanonicalMacro(const QTextCursor &cursor, Document::Ptr doc) const
Christian Kamm's avatar
Christian Kamm committed
646 647 648 649 650 651 652 653 654 655 656 657 658 659 660
{
    if (! doc)
        return 0;

    int line, col;
    convertPosition(cursor.position(), &line, &col);

    if (const Macro *macro = doc->findMacroDefinitionAt(line))
        return macro;

    if (const Document::MacroUse *use = doc->findMacroUseAt(cursor.position()))
        return &use->macro();

    return 0;
}
661 662

void CPPEditor::findUsages()
663
{
664 665 666
    SemanticInfo info = m_lastSemanticInfo;
    info.snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
    info.snapshot.insert(info.doc);
667

668
    CanonicalSymbol cs(this, info);
669 670 671 672
    Symbol *canonicalSymbol = cs(textCursor());
    if (canonicalSymbol) {
        m_modelManager->findUsages(canonicalSymbol, cs.context());
    } else if (const Macro *macro = findCanonicalMacro(textCursor(), info.doc)) {
Christian Kamm's avatar
Christian Kamm committed
673
        m_modelManager->findMacroUsages(*macro);
674
    }
675 676
}

677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698

void CPPEditor::renameUsagesNow(const QString &replacement)
{
    SemanticInfo info = m_lastSemanticInfo;
    info.snapshot = CppTools::CppModelManagerInterface::instance()->snapshot();
    info.snapshot.insert(info.doc);

    CanonicalSymbol cs(this, info);
    if (Symbol *canonicalSymbol = cs(textCursor())) {
        if (canonicalSymbol->identifier() != 0) {
            if (showWarningMessage()) {
                Core::EditorManager::instance()->showEditorInfoBar(QLatin1String("CppEditor.Rename"),
                                                                   tr("This change cannot be undone."),
                                                                   tr("Yes, I know what I am doing."),
                                                                   this, SLOT(hideRenameNotification()));
            }

            m_modelManager->renameUsages(canonicalSymbol, cs.context(), replacement);
        }
    }
}

699
void CPPEditor::renameUsages()
700
{
701 702 703
    renameUsagesNow();
}

704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726
bool CPPEditor::showWarningMessage() const
{
    // Restore settings
    QSettings *settings = Core::ICore::instance()->settings();
    settings->beginGroup(QLatin1String("CppEditor"));
    settings->beginGroup(QLatin1String("Rename"));
    const bool showWarningMessage = settings->value(QLatin1String("ShowWarningMessage"), true).toBool();
    settings->endGroup();
    settings->endGroup();
    return showWarningMessage;
}

void CPPEditor::setShowWarningMessage(bool showWarningMessage)
{
    // Restore settings
    QSettings *settings = Core::ICore::instance()->settings();
    settings->beginGroup(QLatin1String("CppEditor"));
    settings->beginGroup(QLatin1String("Rename"));
    settings->setValue(QLatin1String("ShowWarningMessage"), showWarningMessage);
    settings->endGroup();
    settings->endGroup();
}

727 728
void CPPEditor::hideRenameNotification()
{
729
    setShowWarningMessage(false);
730
    Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));
731 732
}

733
void CPPEditor::markSymbolsNow()
734
{
735 736 737 738 739 740
    if (m_references.isCanceled())
        return;
    else if (m_referencesCursorPosition != position())
        return;
    else if (m_referencesRevision != editorRevision())
        return;
741

742 743 744
    const SemanticInfo info = m_lastSemanticInfo;
    TranslationUnit *unit = info.doc->translationUnit();
    const QList<int> result = m_references.result();
745 746 747

    QList<QTextEdit::ExtraSelection> selections;

748 749 750
    foreach (int index, result) {
        unsigned line, column;
        unit->getTokenPosition(index, &line, &column);
751

752 753
        if (column)
            --column;  // adjust the column position.
754

755
        const int len = unit->tokenAt(index).f.length;
756

757 758 759
        QTextCursor cursor(document()->findBlockByNumber(line - 1));
        cursor.setPosition(cursor.position() + column);
        cursor.setPosition(cursor.position() + len, QTextCursor::KeepAnchor);
760

761 762 763 764
        QTextEdit::ExtraSelection sel;
        sel.format = m_occurrencesFormat;
        sel.cursor = cursor;
        selections.append(sel);
765

Roberto Raggi's avatar
Roberto Raggi committed
766
    }
767 768

    setExtraSelections(CodeSemanticsSelection, selections);
Roberto Raggi's avatar
Roberto Raggi committed
769 770
}

771
static QList<int> lazyFindReferences(Scope *scope, QString code, Document::Ptr doc, Snapshot snapshot)
772 773
{
    TypeOfExpression typeOfExpression;
774 775 776 777 778
    snapshot.insert(doc);
    typeOfExpression.init(doc, snapshot);
    if (Symbol *canonicalSymbol = CanonicalSymbol::canonicalSymbol(scope, code, typeOfExpression)) {
        return CppTools::CppModelManagerInterface::instance()->references(canonicalSymbol, typeOfExpression.context());
    }
779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794
    return QList<int>();
}

void CPPEditor::markSymbols(const QTextCursor &tc, const SemanticInfo &info)
{
    abortRename();

    if (! info.doc)
        return;

    CanonicalSymbol cs(this, info);
    QString expression;
    if (Scope *scope = cs.getScopeAndExpression(this, info, tc, &expression)) {
        m_references.cancel();
        m_referencesRevision = info.revision;
        m_referencesCursorPosition = position();
795
        m_references = QtConcurrent::run(&lazyFindReferences, scope, expression, info.doc, info.snapshot);
796
        m_referencesWatcher.setFuture(m_references);
797 798 799 800 801
    } else {
        const QList<QTextEdit::ExtraSelection> selections = extraSelections(CodeSemanticsSelection);

        if (! selections.isEmpty())
            setExtraSelections(CodeSemanticsSelection, QList<QTextEdit::ExtraSelection>());
802 803 804
    }
}

805
void CPPEditor::renameSymbolUnderCursor()
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
806
{
Roberto Raggi's avatar
Roberto Raggi committed
807
    updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
mae's avatar
mae committed
808
    abortRename();
809

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
810 811 812 813 814
    QTextCursor c = textCursor();

    for (int i = 0; i < m_renameSelections.size(); ++i) {
        QTextEdit::ExtraSelection s = m_renameSelections.at(i);
        if (c.position() >= s.cursor.anchor()
815
                && c.position() <= s.cursor.position()) {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
816
            m_currentRenameSelection = i;
mae's avatar
mae committed
817 818 819 820 821
            m_firstRenameChange = true;
            m_currentRenameSelectionBegin = QTextCursor(c.document()->docHandle(),
                                                        m_renameSelections[i].cursor.selectionStart());
            m_currentRenameSelectionEnd = QTextCursor(c.document()->docHandle(),
                                                        m_renameSelections[i].cursor.selectionEnd());
822
            m_renameSelections[i].format = m_occurrenceRenameFormat;
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
823 824 825 826
            setExtraSelections(CodeSemanticsSelection, m_renameSelections);
            break;
        }
    }
827 828

    if (m_renameSelections.isEmpty())
829
        renameUsages();
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
830 831
}

832 833
void CPPEditor::onContentsChanged(int position, int charsRemoved, int charsAdded)
{
834 835
    Q_UNUSED(position)

836
    if (m_currentRenameSelection == NoCurrentRenameSelection || m_inRename)
837 838
        return;

mae's avatar
mae committed
839 840 841 842 843 844 845 846 847 848 849
    if (position + charsAdded == m_currentRenameSelectionBegin.position()) {
        // we are inserting at the beginning of the rename selection => expand
        m_currentRenameSelectionBegin.setPosition(position);
        m_renameSelections[m_currentRenameSelection].cursor.setPosition(position, QTextCursor::KeepAnchor);
    }

    // the condition looks odd, but keep in mind that the begin and end cursors do move automatically
    m_inRenameChanged = (position >= m_currentRenameSelectionBegin.position()
                         && position + charsAdded <= m_currentRenameSelectionEnd.position());

    if (!m_inRenameChanged)
850 851 852 853 854 855
        abortRename();

    if (charsRemoved > 0)
        updateUses();
}

con's avatar
con committed
856 857 858
void CPPEditor::updateFileName()
{ }

Kai Koehne's avatar
Kai Koehne committed
859
void CPPEditor::jumpToOutlineElement(int)
con's avatar
con committed
860
{
Kai Koehne's avatar
Kai Koehne committed
861 862
    QModelIndex index = m_proxyModel->mapToSource(m_outlineCombo->view()->currentIndex());
    Symbol *symbol = m_outlineModel->symbolFromIndex(index);
con's avatar
con committed
863 864 865
    if (! symbol)
        return;

866
    openCppEditorAt(linkToSymbol(symbol));
con's avatar
con committed
867 868
}

Kai Koehne's avatar
Kai Koehne committed
869
void CPPEditor::setSortedOutline(bool sort)
870
{
Kai Koehne's avatar
Kai Koehne committed
871
    if (sort != sortedOutline()) {
872 873 874 875 876 877 878
        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);
Kai Koehne's avatar
Kai Koehne committed
879
        updateOutlineIndexNow();
880 881 882
    }
}

Kai Koehne's avatar
Kai Koehne committed
883
bool CPPEditor::sortedOutline() const
884 885 886 887
{
    return (m_proxyModel->sortColumn() == 0);
}

888 889 890 891 892 893 894 895 896 897 898 899 900
void CPPEditor::updateOutlineNow()
{
    const Snapshot snapshot = m_modelManager->snapshot();
    Document::Ptr document = snapshot.document(file()->fileName());

    if (!document)
        return;

    if (document->editorRevision() != editorRevision()) {
        m_updateOutlineTimer->start();
        return;
    }

Kai Koehne's avatar
Kai Koehne committed
901
    m_outlineModel->rebuild(document);
902

Kai Koehne's avatar
Kai Koehne committed
903
    OverviewTreeView *treeView = static_cast<OverviewTreeView *>(m_outlineCombo->view());
904
    treeView->sync();
Kai Koehne's avatar
Kai Koehne committed
905
    updateOutlineIndexNow();
906 907
}

Kai Koehne's avatar
Kai Koehne committed
908
void CPPEditor::updateOutlineIndex()
con's avatar
con committed
909
{
Kai Koehne's avatar
Kai Koehne committed
910
    m_updateOutlineIndexTimer->start();
Roberto Raggi's avatar
Roberto Raggi committed
911 912
}

913
void CPPEditor::highlightUses(const QList<SemanticInfo::Use> &uses,
914
                              const SemanticInfo &semanticInfo,
915
                              QList<QTextEdit::ExtraSelection> *selections)
Roberto Raggi's avatar
Roberto Raggi committed
916
{
Roberto Raggi's avatar
Roberto Raggi committed
917
    bool isUnused = false;
Roberto Raggi's avatar
Roberto Raggi committed
918 919

    if (uses.size() == 1)
Roberto Raggi's avatar
Roberto Raggi committed
920
        isUnused = true;
Roberto Raggi's avatar
Roberto Raggi committed
921

Roberto Raggi's avatar
Roberto Raggi committed
922
    foreach (const SemanticInfo::Use &use, uses) {
Roberto Raggi's avatar
Roberto Raggi committed
923
        QTextEdit::ExtraSelection sel;
Roberto Raggi's avatar
Roberto Raggi committed
924

Roberto Raggi's avatar
Roberto Raggi committed
925
        if (isUnused)
926
            sel.format = m_occurrencesUnusedFormat;
Roberto Raggi's avatar
Roberto Raggi committed
927
        else
928
            sel.format = m_occurrencesFormat;
Roberto Raggi's avatar
Roberto Raggi committed
929

930
        const int anchor = document()->findBlockByNumber(use.line - 1).position() + use.column - 1;
Roberto Raggi's avatar
Roberto Raggi committed
931
        const int position = anchor + use.length;
Roberto Raggi's avatar
Roberto Raggi committed
932

933
        sel.cursor = QTextCursor(document());
Roberto Raggi's avatar
Roberto Raggi committed
934 935
        sel.cursor.setPosition(anchor);
        sel.cursor.setPosition(position, QTextCursor::KeepAnchor);
Roberto Raggi's avatar
Roberto Raggi committed
936

937 938 939 940 941 942 943 944
        if (isUnused) {
            if (semanticInfo.hasQ && sel.cursor.selectedText() == QLatin1String("q"))
                continue; // skip q

            else if (semanticInfo.hasD && sel.cursor.selectedText() == QLatin1String("d"))
                continue; // skip d
        }

Roberto Raggi's avatar
Roberto Raggi committed
945
        selections->append(sel);
Roberto Raggi's avatar
Roberto Raggi committed
946 947 948
    }
}

Kai Koehne's avatar
Kai Koehne committed
949
void CPPEditor::updateOutlineIndexNow()
Roberto Raggi's avatar
Roberto Raggi committed
950
{
Kai Koehne's avatar
Kai Koehne committed
951
    if (!m_outlineModel->document())
952 953
        return;

Kai Koehne's avatar
Kai Koehne committed
954 955
    if (m_outlineModel->document()->editorRevision() != editorRevision()) {
        m_updateOutlineIndexTimer->start();
956 957 958
        return;
    }

Kai Koehne's avatar
Kai Koehne committed
959
    m_updateOutlineIndexTimer->stop();
960

Kai Koehne's avatar
Kai Koehne committed
961 962
    m_outlineModelIndex = QModelIndex(); //invalidate
    QModelIndex comboIndex = outlineModelIndex();
963

con's avatar
con committed
964

965
    if (comboIndex.isValid()) {
Kai Koehne's avatar
Kai Koehne committed
966
        bool blocked = m_outlineCombo->blockSignals(true);
967 968 969

        // There is no direct way to select a non-root item
        m_outlineCombo->setRootModelIndex(m_proxyModel->mapFromSource(comboIndex.parent()));
Kai Koehne's avatar
Kai Koehne committed
970
        m_outlineCombo->setCurrentIndex(m_proxyModel->mapFromSource(comboIndex).row());
971 972
        m_outlineCombo->setRootModelIndex(QModelIndex());

Kai Koehne's avatar
Kai Koehne committed
973
        updateOutlineToolTip();
974 975

        m_outlineCombo->blockSignals(blocked);
con's avatar
con committed
976
    }
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
977 978
}

Kai Koehne's avatar
Kai Koehne committed
979
void CPPEditor::updateOutlineToolTip()
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
980
{
Kai Koehne's avatar
Kai Koehne committed
981
    m_outlineCombo->setToolTip(m_outlineCombo->currentText());
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
982 983 984 985
}

void CPPEditor::updateUses()
{
986 987
    if (editorRevision() != m_highlightRevision)
        m_highlighter.cancel();
mae's avatar
mae committed
988
    m_updateUsesTimer->start();
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
989 990 991 992
}

void CPPEditor::updateUsesNow()
{
993
    if (m_currentRenameSelection != NoCurrentRenameSelection)
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
994 995
        return;

Roberto Raggi's avatar
Roberto Raggi committed
996
    semanticRehighlight();
con's avatar
con committed
997 998
}

999
void CPPEditor::highlightSymbolUsages(int from, int to)
1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013
{
    if (editorRevision() != m_highlightRevision)
        return; // outdated

    else if (m_highlighter.isCanceled())
        return; // aborted

    CppHighlighter *highlighter = qobject_cast<CppHighlighter*>(baseTextDocument()->syntaxHighlighter());
    Q_ASSERT(highlighter);
    QTextDocument *doc = document();

    if (m_nextHighlightBlockNumber >= doc->blockCount())
        return;

Roberto Raggi's avatar
Roberto Raggi committed
1014
    QMap<int, QVector<SemanticInfo::Use> > chunks = CheckSymbols::chunks(m_highlighter, from, to);
Roberto Raggi's avatar
Roberto Raggi committed
1015 1016 1017
    if (chunks.isEmpty())
        return;

1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034
    QTextBlock b = doc->findBlockByNumber(m_nextHighlightBlockNumber);

    QMapIterator<int, QVector<SemanticInfo::Use> > it(chunks);
    while (b.isValid() && it.hasNext()) {
        it.next();
        const int blockNumber = it.key();
        Q_ASSERT(blockNumber < doc->blockCount());

        while (m_nextHighlightBlockNumber < blockNumber) {
            highlighter->setExtraAdditionalFormats(b, QList<QTextLayout::FormatRange>());
            b = b.next();
            ++m_nextHighlightBlockNumber;
        }

        QList<QTextLayout::FormatRange> formats;
        foreach (const SemanticInfo::Use &use, it.value()) {
            QTextLayout::FormatRange formatRange;
1035 1036 1037 1038 1039 1040 1041

            switch (use.kind) {
            case SemanticInfo::Use::Type:
                formatRange.format = m_typeFormat;
                break;

            case SemanticInfo::Use::Field:
1042
                formatRange.format = m_fieldFormat;
1043 1044 1045
                break;

            case SemanticInfo::Use::Local:
1046
                formatRange.format = m_localFormat;
1047 1048
                break;

1049 1050 1051 1052
            case SemanticInfo::Use::Static:
                formatRange.format = m_staticFormat;
                break;

Roberto Raggi's avatar
Roberto Raggi committed
1053
            case SemanticInfo::Use::VirtualMethod:
1054
                formatRange.format = m_virtualMethodFormat;
Roberto Raggi's avatar
Roberto Raggi committed
1055 1056
                break;

1057 1058 1059 1060
            default:
                continue;
            }