cppeditor.cpp 63.8 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"
34
35
#include "cppcheckundefinedsymbols.h"

36
#include "cppquickfix.h"
Roberto Raggi's avatar
Roberto Raggi committed
37
38
#include <cpptools/cpptoolsplugin.h>

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

con's avatar
con committed
60
#include <cpptools/cppmodelmanagerinterface.h>
61
#include <cpptools/cpptoolsconstants.h>
Christian Kamm's avatar
Christian Kamm committed
62
#include <cpptools/cppcodeformatter.h>
con's avatar
con committed
63
64

#include <coreplugin/icore.h>
65
#include <coreplugin/actionmanager/actionmanager.h>
66
#include <coreplugin/actionmanager/actioncontainer.h>
con's avatar
con committed
67
68
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/editormanager/editormanager.h>
dt's avatar
dt committed
69
#include <coreplugin/mimedatabase.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>
83
#include <QtCore/QSettings>
84
#include <QtCore/QSignalMapper>
con's avatar
con committed
85
#include <QtGui/QAction>
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
86
#include <QtGui/QApplication>
87
#include <QtGui/QHeaderView>
con's avatar
con committed
88
89
90
91
92
#include <QtGui/QLayout>
#include <QtGui/QMenu>
#include <QtGui/QShortcut>
#include <QtGui/QTextEdit>
#include <QtGui/QComboBox>
con's avatar
con committed
93
#include <QtGui/QToolBar>
con's avatar
con committed
94
#include <QtGui/QTreeView>
95
#include <QtGui/QSortFilterProxyModel>
con's avatar
con committed
96

97
98
#include <sstream>

Roberto Raggi's avatar
Roberto Raggi committed
99
enum {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
100
101
    UPDATE_METHOD_BOX_INTERVAL = 150,
    UPDATE_USES_INTERVAL = 300
Roberto Raggi's avatar
Roberto Raggi committed
102
103
};

Roberto Raggi's avatar
Roberto Raggi committed
104
105
106
using namespace CPlusPlus;
using namespace CppEditor::Internal;

con's avatar
con committed
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
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()));
    }
};

126
class FindLocalUses: protected ASTVisitor
Roberto Raggi's avatar
Roberto Raggi committed
127
128
{
    Scope *_functionScope;
129
    Document::Ptr _doc;
130

131
public:
132
133
    FindLocalUses(Document::Ptr doc)
        : ASTVisitor(doc->translationUnit()), _doc(doc), hasD(false), hasQ(false)
134
135
    { }

Roberto Raggi's avatar
Roberto Raggi committed
136
    // local and external uses.
Roberto Raggi's avatar
Roberto Raggi committed
137
    SemanticInfo::LocalUseMap localUses;
138
139
    bool hasD;
    bool hasQ;
Roberto Raggi's avatar
Roberto Raggi committed
140

141
    void operator()(DeclarationAST *ast)
142
    {
Roberto Raggi's avatar
Roberto Raggi committed
143
144
        localUses.clear();

145
146
147
148
149
150
151
152
153
154
155
156
157
        if (!ast)
            return;

        if (FunctionDefinitionAST *def = ast->asFunctionDefinition()) {
            if (def->symbol) {
                _functionScope = def->symbol->members();
                accept(ast);
            }
        } else if (ObjCMethodDeclarationAST *decl = ast->asObjCMethodDeclaration()) {
            if (decl->method_prototype->symbol) {
                _functionScope = decl->method_prototype->symbol->members();
                accept(ast);
            }
158
159
160
161
162
163
        }
    }

protected:
    using ASTVisitor::visit;

Roberto Raggi's avatar
Roberto Raggi committed
164
    bool findMember(Scope *scope, NameAST *ast, unsigned line, unsigned column)
165
    {
Roberto Raggi's avatar
Roberto Raggi committed
166
167
168
        if (! (ast && ast->name))
            return false;

Roberto Raggi's avatar
Roberto Raggi committed
169
        const Identifier *id = ast->name->identifier();
170
171
172
173
174

        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
175
                else if (member->line() < line || (member->line() == line && member->column() <= column)) {
Roberto Raggi's avatar
Roberto Raggi committed
176
                    localUses[member].append(SemanticInfo::Use(line, column, id->size()));
177
178
179
180
181
182
183
184
                    return true;
                }
            }
        }

        return false;
    }

185
186
187
188
189
190
    void searchUsesInTemplateArguments(NameAST *name)
    {
        if (! name)
            return;

        else if (TemplateIdAST *template_id = name->asTemplateId()) {
Roberto Raggi's avatar
Roberto Raggi committed
191
            for (TemplateArgumentListAST *it = template_id->template_argument_list; it; it = it->next) {
192
                accept(it->value);
193
194
195
196
            }
        }
    }

197
    virtual bool visit(SimpleNameAST *ast)
198
199
200
    { return findMemberForToken(ast->firstToken(), ast); }

    bool findMemberForToken(unsigned tokenIdx, NameAST *ast)
201
    {
Roberto Raggi's avatar
Roberto Raggi committed
202
203
204
205
        const Token &tok = tokenAt(tokenIdx);
        if (tok.generated())
            return false;

206
        unsigned line, column;
207
        getTokenStartPosition(tokenIdx, &line, &column);
208

209
        Scope *scope = _doc->scopeAt(line, column);
210
211
212
213
214
215
216
217

        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;
218
219
220
221
222
223
            } else if (scope->isObjCMethodScope()) {
                ObjCMethod *method = scope->owner()->asObjCMethod();
                if (findMember(method->members(), ast, line, column))
                    return false;
                else if (findMember(method->arguments(), ast, line, column))
                    return false;
224
225
226
227
228
229
230
231
232
233
234
235
236
            } 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
237
    virtual bool visit(TemplateIdAST *ast)
238
    {
Roberto Raggi's avatar
Roberto Raggi committed
239
        for (TemplateArgumentListAST *arg = ast->template_argument_list; arg; arg = arg->next)
240
            accept(arg->value);
241

Roberto Raggi's avatar
Roberto Raggi committed
242
243
244
245
        const Token &tok = tokenAt(ast->identifier_token);
        if (tok.generated())
            return false;

Roberto Raggi's avatar
Roberto Raggi committed
246
247
248
        unsigned line, column;
        getTokenStartPosition(ast->firstToken(), &line, &column);

249
        Scope *scope = _doc->scopeAt(line, column);
Roberto Raggi's avatar
Roberto Raggi committed
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272

        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)
    {
Roberto Raggi's avatar
Roberto Raggi committed
273
        for (NestedNameSpecifierListAST *it = ast->nested_name_specifier_list; it; it = it->next)
Roberto Raggi's avatar
Roberto Raggi committed
274
            searchUsesInTemplateArguments(it->value->class_or_namespace_name);
Roberto Raggi's avatar
Roberto Raggi committed
275

276
        searchUsesInTemplateArguments(ast->unqualified_name);
277
278
279
        return false;
    }

280
    virtual bool visit(MemberAccessAST *ast)
281
    {
282
        // accept only the base expression
283
        accept(ast->base_expression);
284
        // and ignore the member name.
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
        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;
    }
316

317
318
319
320
321
322
323
324
325
326
    virtual bool visit(QtMemberDeclarationAST *ast)
    {
        if (tokenKind(ast->q_token) == T_Q_D)
            hasD = true;
        else
            hasQ = true;

        return true;
    }

327
328
329
330
331
332
333
334
335
336
    virtual bool visit(ExpressionOrDeclarationStatementAST *ast)
    {
        accept(ast->declaration);
        return false;
    }

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

Roberto Raggi's avatar
Roberto Raggi committed
337
        for (SpecifierListAST *it = ast->cv_qualifier_list; it; it = it->next)
Roberto Raggi's avatar
Roberto Raggi committed
338
            accept(it->value);
339
340
341
342
343

        accept(ast->exception_specification);

        return false;
    }
344
345
346
347
348
349

    virtual bool visit(ObjCMethodPrototypeAST *ast)
    {
        accept(ast->argument_list);
        return false;
    }
350
351
352
353
354
355

    virtual bool visit(ObjCMessageArgumentDeclarationAST *ast)
    {
        accept(ast->param_name);
        return false;
    }
356
357
358
};


Roberto Raggi's avatar
Roberto Raggi committed
359
360
361
362
class FunctionDefinitionUnderCursor: protected ASTVisitor
{
    unsigned _line;
    unsigned _column;
363
    DeclarationAST *_functionDefinition;
Roberto Raggi's avatar
Roberto Raggi committed
364
365

public:
Roberto Raggi's avatar
Roberto Raggi committed
366
367
    FunctionDefinitionUnderCursor(TranslationUnit *translationUnit)
        : ASTVisitor(translationUnit),
Roberto Raggi's avatar
Roberto Raggi committed
368
          _line(0), _column(0)
Roberto Raggi's avatar
Roberto Raggi committed
369
370
    { }

371
    DeclarationAST *operator()(AST *ast, unsigned line, unsigned column)
Roberto Raggi's avatar
Roberto Raggi committed
372
373
    {
        _functionDefinition = 0;
Roberto Raggi's avatar
Roberto Raggi committed
374
375
        _line = line;
        _column = column;
Roberto Raggi's avatar
Roberto Raggi committed
376
377
378
379
380
381
382
383
384
385
386
        accept(ast);
        return _functionDefinition;
    }

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

        else if (FunctionDefinitionAST *def = ast->asFunctionDefinition()) {
387
388
389
390
391
392
            return checkDeclaration(def);
        }

        else if (ObjCMethodDeclarationAST *method = ast->asObjCMethodDeclaration()) {
            if (method->function_body)
                return checkDeclaration(method);
Roberto Raggi's avatar
Roberto Raggi committed
393
394
395
396
397
        }

        return true;
    }

398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
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
415
416
};

417
418
class FindFunctionDefinitions: protected SymbolVisitor
{
Roberto Raggi's avatar
Roberto Raggi committed
419
    const Name *_declarationName;
420
421
422
423
424
425
426
427
    QList<Function *> *_functions;

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

Roberto Raggi's avatar
Roberto Raggi committed
428
    void operator()(const Name *declarationName, Scope *globals,
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
                    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)
    {
Roberto Raggi's avatar
Roberto Raggi committed
444
445
        const Name *name = function->name();
        if (const QualifiedNameId *q = name->asQualifiedNameId())
446
447
448
449
450
451
452
453
454
            name = q->unqualifiedNameId();

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

        return false;
    }
};

455
456
457
458
459
460
461
462
463
464

struct FindCanonicalSymbol
{
    CPPEditor *editor;
    QString code;
    TypeOfExpression typeOfExpression;
    ExpressionUnderCursor expressionUnderCursor;
    SemanticInfo info;

    FindCanonicalSymbol(CPPEditor *editor, const SemanticInfo &info)
Erik Verbruggen's avatar
Erik Verbruggen committed
465
        : editor(editor), info(info)
466
467
468
469
470
471
472
473
474
    {
        typeOfExpression.init(info.doc, info.snapshot);
    }

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

475
476
477
478
479
    inline bool isIdentifierChar(const QChar &ch) const
    {
        return ch.isLetterOrNumber() || ch == QLatin1Char('_');
    }

480
481
482
483
484
485
486
487
488
489
490
491
492
    Symbol *operator()(const QTextCursor &cursor)
    {
        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();
493
494
495
496
497
498

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

        while (isIdentifierChar(document->characterAt(pos)))
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
            ++pos;
        tc.setPosition(pos);

        code = expressionUnderCursor(tc);
        Scope *scope = info.doc->scopeAt(line, col);

        const QList<LookupItem> results = typeOfExpression(code, scope, TypeOfExpression::Preprocess);
        for (int i = results.size() - 1; i != -1; --i) { // ### TODO virtual methods and classes.
            const LookupItem &r = results.at(i);

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

        return 0;
    }
};

con's avatar
con committed
517
518
519
} // end of anonymous namespace

CPPEditorEditable::CPPEditorEditable(CPPEditor *editor)
hjk's avatar
hjk committed
520
    : BaseTextEditorEditable(editor)
con's avatar
con committed
521
{
522
523
524
    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
525
526
}

527
528
CPPEditor::CPPEditor(QWidget *parent)
    : TextEditor::BaseTextEditor(parent)
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
529
    , m_currentRenameSelection(-1)
530
    , m_inRename(false)
mae's avatar
mae committed
531
532
    , m_inRenameChanged(false)
    , m_firstRenameChange(false)
533
    , m_objcEnabled(false)
con's avatar
con committed
534
{
Roberto Raggi's avatar
Roberto Raggi committed
535
    m_initialized = false;
536
    qRegisterMetaType<CppEditor::Internal::SemanticInfo>("CppEditor::Internal::SemanticInfo");
Roberto Raggi's avatar
Roberto Raggi committed
537
538
539
540

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

con's avatar
con committed
541
542
    setParenthesesMatchingEnabled(true);
    setMarksVisible(true);
543
    setCodeFoldingSupported(true);
con's avatar
con committed
544
    setCodeFoldingVisible(true);
545
    baseTextDocument()->setSyntaxHighlighter(new CppHighlighter);
con's avatar
con committed
546

Roberto Raggi's avatar
Roberto Raggi committed
547
    m_modelManager = CppTools::CppModelManagerInterface::instance();
con's avatar
con committed
548
549
550
551
552
553
554
555
556

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

CPPEditor::~CPPEditor()
{
557
558
    Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));

Roberto Raggi's avatar
Roberto Raggi committed
559
560
    m_semanticHighlighter->abort();
    m_semanticHighlighter->wait();
con's avatar
con committed
561
562
563
564
565
566
567
568
569
570
571
572
573
}

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);
574
575
576
577
578
579

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

580
    QTreeView *methodView = new OverviewTreeView;
con's avatar
con committed
581
582
583
584
585
586
    methodView->header()->hide();
    methodView->setItemsExpandable(false);
    m_methodCombo->setView(methodView);
    m_methodCombo->setMaxVisibleItems(20);

    m_overviewModel = new OverviewModel(this);
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
    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
603

Roberto Raggi's avatar
Roberto Raggi committed
604
605
606
607
608
    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
609
610
611
612
613
    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
614
615
    connect(m_methodCombo, SIGNAL(activated(int)), this, SLOT(jumpToMethod(int)));
    connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateMethodBoxIndex()));
616
    connect(m_methodCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateMethodBoxToolTip()));
617
    connect(document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onContentsChanged(int,int,int)));
con's avatar
con committed
618
619
620

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

Roberto Raggi's avatar
Roberto Raggi committed
621
622
623
624
625

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

626
627
    connect(m_semanticHighlighter, SIGNAL(changed(CppEditor::Internal::SemanticInfo)),
            this, SLOT(updateSemanticInfo(CppEditor::Internal::SemanticInfo)));
Roberto Raggi's avatar
Roberto Raggi committed
628

con's avatar
con committed
629
    QToolBar *toolBar = static_cast<QToolBar*>(editable->toolBar());
con's avatar
con committed
630
    QList<QAction*> actions = toolBar->actions();
631
632
    QWidget *w = toolBar->widgetForAction(actions.first());
    static_cast<QHBoxLayout*>(w->layout())->insertWidget(0, m_methodCombo, 1);
con's avatar
con committed
633
634
}

mae's avatar
mae committed
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
void CPPEditor::paste()
{
    if (m_currentRenameSelection == -1) {
        BaseTextEditor::paste();
        return;
    }

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

void CPPEditor::cut()
{
    if (m_currentRenameSelection == -1) {
        BaseTextEditor::cut();
        return;
    }

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

659
660
661
662
663
CppTools::CppModelManagerInterface *CPPEditor::modelManager() const
{
    return m_modelManager;
}

664
665
666
667
668
669
670
671
672
673
674
675
676
677
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
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
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;
}

714
715
void CPPEditor::abortRename()
{
mae's avatar
mae committed
716
717
    if (m_currentRenameSelection < 0)
        return;
718
    m_renameSelections[m_currentRenameSelection].format = m_occurrencesFormat;
719
    m_currentRenameSelection = -1;
mae's avatar
mae committed
720
721
    m_currentRenameSelectionBegin = QTextCursor();
    m_currentRenameSelectionEnd = QTextCursor();
722
723
724
    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
}

con's avatar
con committed
725
726
727
728
729
void CPPEditor::onDocumentUpdated(Document::Ptr doc)
{
    if (doc->fileName() != file()->fileName())
        return;

730
731
732
    if (doc->editorRevision() != editorRevision())
        return;

Roberto Raggi's avatar
Roberto Raggi committed
733
734
735
736
737
738
739
    if (! m_initialized) {
        m_initialized = true;

        const SemanticHighlighter::Source source = currentSource(/*force = */ true);
        m_semanticHighlighter->rehighlight(source);
    }

con's avatar
con committed
740
    m_overviewModel->rebuild(doc);
741
742
    OverviewTreeView *treeView = static_cast<OverviewTreeView *>(m_methodCombo->view());
    treeView->sync();
Roberto Raggi's avatar
Roberto Raggi committed
743
    updateMethodBoxIndexNow();
con's avatar
con committed
744
745
}

746
const Macro *CPPEditor::findCanonicalMacro(const QTextCursor &cursor, Document::Ptr doc) const
Christian Kamm's avatar
Christian Kamm committed
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
{
    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;
}
762
763

void CPPEditor::findUsages()
764
{
765
766
767
768
769
770
771
    const SemanticInfo info = m_lastSemanticInfo;

    FindCanonicalSymbol cs(this, info);
    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
772
        m_modelManager->findMacroUsages(*macro);
773
    }
774
775
776
}

void CPPEditor::renameUsages()
777
{
778
779
780
    renameUsagesNow();
}

781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
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();
}

804
805
void CPPEditor::hideRenameNotification()
{
806
    setShowWarningMessage(false);
807
    Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));
808
809
810
811
}

void CPPEditor::renameUsagesNow()
{
812
813
814
815
    const SemanticInfo info = m_lastSemanticInfo;

    FindCanonicalSymbol cs(this, info);
    if (Symbol *canonicalSymbol = cs(textCursor())) {
816
        if (canonicalSymbol->identifier() != 0) {
817
818
819
820
821
822
            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()));
            }
823

824
            m_modelManager->renameUsages(canonicalSymbol, cs.context());
825
        }
826
827
828
    }
}

829
void CPPEditor::markSymbols(Symbol *canonicalSymbol, const SemanticInfo &info)
830
{
Roberto Raggi's avatar
Roberto Raggi committed
831
    //updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
832

mae's avatar
mae committed
833
    abortRename();
834
835
836

    QList<QTextEdit::ExtraSelection> selections;

837
838
    if (canonicalSymbol) {
        TranslationUnit *unit = info.doc->translationUnit();
839

Roberto Raggi's avatar
Roberto Raggi committed
840
        const QList<int> references = m_modelManager->references(canonicalSymbol, info.context);
841
842
843
        foreach (int index, references) {
            unsigned line, column;
            unit->getTokenPosition(index, &line, &column);
844

845
846
            if (column)
                --column;  // adjust the column position.
847

848
            const int len = unit->tokenAt(index).f.length;
849

850
851
852
            QTextCursor cursor(document()->findBlockByNumber(line - 1));
            cursor.setPosition(cursor.position() + column);
            cursor.setPosition(cursor.position() + len, QTextCursor::KeepAnchor);
853

854
855
856
857
            QTextEdit::ExtraSelection sel;
            sel.format = m_occurrencesFormat;
            sel.cursor = cursor;
            selections.append(sel);
858
        }
Roberto Raggi's avatar
Roberto Raggi committed
859
    }
860
861

    setExtraSelections(CodeSemanticsSelection, selections);
Roberto Raggi's avatar
Roberto Raggi committed
862
863
}

864
void CPPEditor::renameSymbolUnderCursor()
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
865
{
Roberto Raggi's avatar
Roberto Raggi committed
866
    updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
mae's avatar
mae committed
867
    abortRename();
868

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
869
870
871
872
873
    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()
874
                && c.position() <= s.cursor.position()) {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
875
            m_currentRenameSelection = i;
mae's avatar
mae committed
876
877
878
879
880
            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());
881
            m_renameSelections[i].format = m_occurrenceRenameFormat;
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
882
883
884
885
            setExtraSelections(CodeSemanticsSelection, m_renameSelections);
            break;
        }
    }
886
887

    if (m_renameSelections.isEmpty())
888
        renameUsages();
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
889
890
}

891
892
void CPPEditor::onContentsChanged(int position, int charsRemoved, int charsAdded)
{
893
894
    Q_UNUSED(position)

mae's avatar
mae committed
895
    if (m_currentRenameSelection == -1 || m_inRename)
896
897
        return;

mae's avatar
mae committed
898
899
900
901
902
903
904
905
906
907
908
    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)
909
910
911
912
913
914
        abortRename();

    if (charsRemoved > 0)
        updateUses();
}

con's avatar
con committed
915
916
917
918
919
void CPPEditor::updateFileName()
{ }

void CPPEditor::jumpToMethod(int)
{
920
    QModelIndex index = m_proxyModel->mapToSource(m_methodCombo->view()->currentIndex());
con's avatar
con committed
921
922
923
924
    Symbol *symbol = m_overviewModel->symbolFromIndex(index);
    if (! symbol)
        return;

925
    openCppEditorAt(linkToSymbol(symbol));
con's avatar
con committed
926
927
}

928
929
930
931
932
933
934
935
936
937
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
938
        updateMethodBoxIndexNow();
939
940
941
942
943
944
945
946
    }
}

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

con's avatar
con committed
947
948
void CPPEditor::updateMethodBoxIndex()
{
mae's avatar
mae committed
949
    m_updateMethodBoxTimer->start();
Roberto Raggi's avatar
Roberto Raggi committed
950
951
}

952
void CPPEditor::highlightUses(const QList<SemanticInfo::Use> &uses,
953
                              const SemanticInfo &semanticInfo,
954
                              QList<QTextEdit::ExtraSelection> *selections)
Roberto Raggi's avatar
Roberto Raggi committed
955
{
Roberto Raggi's avatar
Roberto Raggi committed
956
    bool isUnused = false;
Roberto Raggi's avatar
Roberto Raggi committed
957
958

    if (uses.size() == 1)
Roberto Raggi's avatar
Roberto Raggi committed
959
        isUnused = true;
Roberto Raggi's avatar
Roberto Raggi committed
960

Roberto Raggi's avatar
Roberto Raggi committed
961
    foreach (const SemanticInfo::Use &use, uses) {
Roberto Raggi's avatar
Roberto Raggi committed
962
        QTextEdit::ExtraSelection sel;
Roberto Raggi's avatar
Roberto Raggi committed
963

Roberto Raggi's avatar
Roberto Raggi committed
964
        if (isUnused)
965
            sel.format = m_occurrencesUnusedFormat;
Roberto Raggi's avatar
Roberto Raggi committed
966
        else
967
            sel.format = m_occurrencesFormat;
Roberto Raggi's avatar
Roberto Raggi committed
968

969
        const int anchor = document()->findBlockByNumber(use.line - 1).position() + use.column - 1;
Roberto Raggi's avatar
Roberto Raggi committed
970
        const int position = anchor + use.length;
Roberto Raggi's avatar
Roberto Raggi committed
971

972
        sel.cursor = QTextCursor(document());
Roberto Raggi's avatar
Roberto Raggi committed
973
974
        sel.cursor.setPosition(anchor);
        sel.cursor.setPosition(position, QTextCursor::KeepAnchor);
Roberto Raggi's avatar
Roberto Raggi committed
975

976
977
978
979
980
981
982
983
        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
984
        selections->append(sel);
Roberto Raggi's avatar
Roberto Raggi committed
985
986
987
    }
}

Roberto Raggi's avatar
Roberto Raggi committed
988
989
void CPPEditor::updateMethodBoxIndexNow()
{
990
991
992
993
994
995
996
997
998
999
    if (! m_overviewModel->document())
        return;

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

    m_updateMethodBoxTimer->stop();

con's avatar
con committed
1000
    int line = 0, column = 0;