cppeditor.cpp 62.8 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
#include "cppquickfix.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 <CoreTypes.h>
#include <Literals.h>
#include <Semantic.h>
46
#include <ASTVisitor.h>
47
#include <SymbolVisitor.h>
48
#include <TranslationUnit.h>
con's avatar
con committed
49
#include <cplusplus/ExpressionUnderCursor.h>
Roberto Raggi's avatar
Roberto Raggi committed
50
#include <cplusplus/TypeOfExpression.h>
con's avatar
con committed
51
52
53
#include <cplusplus/Overview.h>
#include <cplusplus/OverviewModel.h>
#include <cplusplus/SimpleLexer.h>
54
#include <cplusplus/MatchingText.h>
55
#include <cplusplus/BackwardsScanner.h>
56
#include <cplusplus/FastPreprocessor.h>
Roberto Raggi's avatar
Roberto Raggi committed
57
#include <cplusplus/CheckUndefinedSymbols.h>
58
#include <cplusplus/TokenCache.h>
59

con's avatar
con committed
60
61
62
63
#include <cpptools/cppmodelmanagerinterface.h>

#include <coreplugin/icore.h>
#include <coreplugin/uniqueidmanager.h>
64
#include <coreplugin/actionmanager/actionmanager.h>
65
#include <coreplugin/actionmanager/actioncontainer.h>
con's avatar
con committed
66
67
#include <coreplugin/editormanager/ieditor.h>
#include <coreplugin/editormanager/editormanager.h>
dt's avatar
dt committed
68
#include <coreplugin/mimedatabase.h>
69
#include <utils/uncommentselection.h>
70
#include <extensionsystem/pluginmanager.h>
con's avatar
con committed
71
72
73
74
75
76
77
78
79
80
#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>
81
#include <QtCore/QStack>
82
#include <QtCore/QSettings>
83
#include <QtCore/QSignalMapper>
con's avatar
con committed
84
#include <QtGui/QAction>
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
85
#include <QtGui/QApplication>
86
#include <QtGui/QHeaderView>
con's avatar
con committed
87
88
89
90
91
#include <QtGui/QLayout>
#include <QtGui/QMenu>
#include <QtGui/QShortcut>
#include <QtGui/QTextEdit>
#include <QtGui/QComboBox>
con's avatar
con committed
92
#include <QtGui/QToolBar>
con's avatar
con committed
93
#include <QtGui/QTreeView>
94
#include <QtGui/QSortFilterProxyModel>
con's avatar
con committed
95

96
97
#include <sstream>

Roberto Raggi's avatar
Roberto Raggi committed
98
enum {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
99
100
    UPDATE_METHOD_BOX_INTERVAL = 150,
    UPDATE_USES_INTERVAL = 300
Roberto Raggi's avatar
Roberto Raggi committed
101
102
};

Roberto Raggi's avatar
Roberto Raggi committed
103
104
105
using namespace CPlusPlus;
using namespace CppEditor::Internal;

con's avatar
con committed
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
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
125
class FindScope: protected SymbolVisitor
126
{
Roberto Raggi's avatar
Roberto Raggi committed
127
128
129
130
    TranslationUnit *_unit;
    Scope *_scope;
    unsigned _line;
    unsigned _column;
131

Roberto Raggi's avatar
Roberto Raggi committed
132
133
134
public:
    Scope *operator()(unsigned line, unsigned column,
                      Symbol *root, TranslationUnit *unit)
135
    {
Roberto Raggi's avatar
Roberto Raggi committed
136
137
138
139
140
141
142
        _unit = unit;
        _scope = 0;
        _line = line;
        _column = column;
        accept(root);
        return _scope;
    }
143

Roberto Raggi's avatar
Roberto Raggi committed
144
145
private:
    using SymbolVisitor::visit;
146

Roberto Raggi's avatar
Roberto Raggi committed
147
148
    virtual bool preVisit(Symbol *)
    { return ! _scope; }
149

Roberto Raggi's avatar
Roberto Raggi committed
150
151
    virtual bool visit(Block *block)
    { return processScope(block->members()); }
152

Roberto Raggi's avatar
Roberto Raggi committed
153
154
    virtual bool visit(Function *function)
    { return processScope(function->members()); }
155

156
157
158
    virtual bool visit(ObjCMethod *method)
    { return processScope(method->members()); }

Roberto Raggi's avatar
Roberto Raggi committed
159
160
161
162
    bool processScope(Scope *scope)
    {
        if (_scope || ! scope)
            return false;
163

Roberto Raggi's avatar
Roberto Raggi committed
164
165
        for (unsigned i = 0; i < scope->symbolCount(); ++i) {
            accept(scope->symbolAt(i));
166

Roberto Raggi's avatar
Roberto Raggi committed
167
168
169
            if (_scope)
                return false;
        }
170

Roberto Raggi's avatar
Roberto Raggi committed
171
172
        unsigned startOffset = scope->owner()->startOffset();
        unsigned endOffset = scope->owner()->endOffset();
173

Roberto Raggi's avatar
Roberto Raggi committed
174
175
        unsigned startLine, startColumn;
        unsigned endLine, endColumn;
176

Roberto Raggi's avatar
Roberto Raggi committed
177
178
        _unit->getPosition(startOffset, &startLine, &startColumn);
        _unit->getPosition(endOffset, &endLine, &endColumn);
179

Roberto Raggi's avatar
Roberto Raggi committed
180
181
182
        if (_line > startLine || (_line == startLine && _column >= startColumn)) {
            if (_line < endLine || (_line == endLine && _column < endColumn)) {
                _scope = scope;
183
184
            }
        }
Roberto Raggi's avatar
Roberto Raggi committed
185
186
187
188
189

        return false;
    }
};

190
class FindLocalUses: protected ASTVisitor
Roberto Raggi's avatar
Roberto Raggi committed
191
192
{
    Scope *_functionScope;
193
194
    FindScope findScope;

195
public:
196
197
    FindLocalUses(TranslationUnit *translationUnit)
        : ASTVisitor(translationUnit), hasD(false), hasQ(false)
198
199
    { }

Roberto Raggi's avatar
Roberto Raggi committed
200
    // local and external uses.
Roberto Raggi's avatar
Roberto Raggi committed
201
    SemanticInfo::LocalUseMap localUses;
202
203
    bool hasD;
    bool hasQ;
Roberto Raggi's avatar
Roberto Raggi committed
204

205
    void operator()(DeclarationAST *ast)
206
    {
Roberto Raggi's avatar
Roberto Raggi committed
207
208
        localUses.clear();

209
210
211
212
213
214
215
216
217
218
219
220
221
        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);
            }
222
223
224
225
226
227
        }
    }

protected:
    using ASTVisitor::visit;

Roberto Raggi's avatar
Roberto Raggi committed
228
    bool findMember(Scope *scope, NameAST *ast, unsigned line, unsigned column)
229
    {
Roberto Raggi's avatar
Roberto Raggi committed
230
231
232
        if (! (ast && ast->name))
            return false;

Roberto Raggi's avatar
Roberto Raggi committed
233
        const Identifier *id = ast->name->identifier();
234
235
236
237
238

        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
239
                else if (member->line() < line || (member->line() == line && member->column() <= column)) {
Roberto Raggi's avatar
Roberto Raggi committed
240
                    localUses[member].append(SemanticInfo::Use(line, column, id->size()));
241
242
243
244
245
246
247
248
                    return true;
                }
            }
        }

        return false;
    }

249
250
251
252
253
254
    void searchUsesInTemplateArguments(NameAST *name)
    {
        if (! name)
            return;

        else if (TemplateIdAST *template_id = name->asTemplateId()) {
Roberto Raggi's avatar
Roberto Raggi committed
255
            for (TemplateArgumentListAST *it = template_id->template_argument_list; it; it = it->next) {
256
                accept(it->value);
257
258
259
260
            }
        }
    }

261
    virtual bool visit(SimpleNameAST *ast)
262
263
264
    { return findMemberForToken(ast->firstToken(), ast); }

    bool findMemberForToken(unsigned tokenIdx, NameAST *ast)
265
    {
Roberto Raggi's avatar
Roberto Raggi committed
266
267
268
269
        const Token &tok = tokenAt(tokenIdx);
        if (tok.generated())
            return false;

270
        unsigned line, column;
271
        getTokenStartPosition(tokenIdx, &line, &column);
272
273
274
275
276
277
278
279
280
281
282
283

        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;
284
285
286
287
288
289
            } 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;
290
291
292
293
294
295
296
297
298
299
300
301
302
            } 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
303
    virtual bool visit(TemplateIdAST *ast)
304
    {
Roberto Raggi's avatar
Roberto Raggi committed
305
        for (TemplateArgumentListAST *arg = ast->template_argument_list; arg; arg = arg->next)
306
            accept(arg->value);
307

Roberto Raggi's avatar
Roberto Raggi committed
308
309
310
311
        const Token &tok = tokenAt(ast->identifier_token);
        if (tok.generated())
            return false;

Roberto Raggi's avatar
Roberto Raggi committed
312
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
        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)
    {
Roberto Raggi's avatar
Roberto Raggi committed
341
        for (NestedNameSpecifierListAST *it = ast->nested_name_specifier_list; it; it = it->next)
Roberto Raggi's avatar
Roberto Raggi committed
342
            searchUsesInTemplateArguments(it->value->class_or_namespace_name);
Roberto Raggi's avatar
Roberto Raggi committed
343

344
        searchUsesInTemplateArguments(ast->unqualified_name);
345
346
347
348
349
350
        return false;
    }

    virtual bool visit(PostfixExpressionAST *ast)
    {
        accept(ast->base_expression);
Roberto Raggi's avatar
Roberto Raggi committed
351
        for (PostfixListAST *it = ast->postfix_expression_list; it; it = it->next) {
Roberto Raggi's avatar
Roberto Raggi committed
352
353
            PostfixAST *fx = it->value;
            if (fx->asMemberAccess() != 0)
354
                continue; // skip members
Roberto Raggi's avatar
Roberto Raggi committed
355
            accept(fx);
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
        }
        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;
    }
388

389
390
391
392
393
394
395
396
397
398
    virtual bool visit(QtMemberDeclarationAST *ast)
    {
        if (tokenKind(ast->q_token) == T_Q_D)
            hasD = true;
        else
            hasQ = true;

        return true;
    }

399
400
401
402
403
404
405
406
407
408
    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
409
        for (SpecifierListAST *it = ast->cv_qualifier_list; it; it = it->next)
Roberto Raggi's avatar
Roberto Raggi committed
410
            accept(it->value);
411
412
413
414
415

        accept(ast->exception_specification);

        return false;
    }
416
417
418
419
420
421

    virtual bool visit(ObjCMethodPrototypeAST *ast)
    {
        accept(ast->argument_list);
        return false;
    }
422
423
424
425
426
427

    virtual bool visit(ObjCMessageArgumentDeclarationAST *ast)
    {
        accept(ast->param_name);
        return false;
    }
428
429
430
};


Roberto Raggi's avatar
Roberto Raggi committed
431
432
433
434
class FunctionDefinitionUnderCursor: protected ASTVisitor
{
    unsigned _line;
    unsigned _column;
435
    DeclarationAST *_functionDefinition;
Roberto Raggi's avatar
Roberto Raggi committed
436
437

public:
Roberto Raggi's avatar
Roberto Raggi committed
438
439
    FunctionDefinitionUnderCursor(TranslationUnit *translationUnit)
        : ASTVisitor(translationUnit),
Roberto Raggi's avatar
Roberto Raggi committed
440
          _line(0), _column(0)
Roberto Raggi's avatar
Roberto Raggi committed
441
442
    { }

443
    DeclarationAST *operator()(AST *ast, unsigned line, unsigned column)
Roberto Raggi's avatar
Roberto Raggi committed
444
445
    {
        _functionDefinition = 0;
Roberto Raggi's avatar
Roberto Raggi committed
446
447
        _line = line;
        _column = column;
Roberto Raggi's avatar
Roberto Raggi committed
448
449
450
451
452
453
454
455
456
457
458
        accept(ast);
        return _functionDefinition;
    }

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

        else if (FunctionDefinitionAST *def = ast->asFunctionDefinition()) {
459
460
461
462
463
464
            return checkDeclaration(def);
        }

        else if (ObjCMethodDeclarationAST *method = ast->asObjCMethodDeclaration()) {
            if (method->function_body)
                return checkDeclaration(method);
Roberto Raggi's avatar
Roberto Raggi committed
465
466
467
468
469
        }

        return true;
    }

470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
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
487
488
};

489
490
class FindFunctionDefinitions: protected SymbolVisitor
{
Roberto Raggi's avatar
Roberto Raggi committed
491
    const Name *_declarationName;
492
493
494
495
496
497
498
499
    QList<Function *> *_functions;

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

Roberto Raggi's avatar
Roberto Raggi committed
500
    void operator()(const Name *declarationName, Scope *globals,
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
                    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
516
517
        const Name *name = function->name();
        if (const QualifiedNameId *q = name->asQualifiedNameId())
518
519
520
521
522
523
524
525
526
            name = q->unqualifiedNameId();

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

        return false;
    }
};

527
528
529
530
531
532
533
534
535
536

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

    FindCanonicalSymbol(CPPEditor *editor, const SemanticInfo &info)
537
        : editor(editor), expressionUnderCursor(editor->tokenCache()), info(info)
538
539
540
541
542
543
544
545
546
    {
        typeOfExpression.init(info.doc, info.snapshot);
    }

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

547
548
549
550
551
    inline bool isIdentifierChar(const QChar &ch) const
    {
        return ch.isLetterOrNumber() || ch == QLatin1Char('_');
    }

552
553
554
555
556
557
558
559
560
561
562
563
564
    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();
565
566
567
568
569
570

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

        while (isIdentifierChar(document->characterAt(pos)))
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
            ++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
589
590
591
} // end of anonymous namespace

CPPEditorEditable::CPPEditorEditable(CPPEditor *editor)
hjk's avatar
hjk committed
592
    : BaseTextEditorEditable(editor)
con's avatar
con committed
593
{
594
    Core::UniqueIDManager *uidm = Core::UniqueIDManager::instance();
595
    m_context << uidm->uniqueIdentifier(CppEditor::Constants::C_CPPEDITOR);
596
597
    m_context << uidm->uniqueIdentifier(ProjectExplorer::Constants::LANG_CXX);
    m_context << uidm->uniqueIdentifier(TextEditor::Constants::C_TEXTEDITOR);
con's avatar
con committed
598
599
}

600
601
CPPEditor::CPPEditor(QWidget *parent)
    : TextEditor::BaseTextEditor(parent)
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
602
    , m_currentRenameSelection(-1)
603
    , m_inRename(false)
mae's avatar
mae committed
604
605
    , m_inRenameChanged(false)
    , m_firstRenameChange(false)
con's avatar
con committed
606
{
Roberto Raggi's avatar
Roberto Raggi committed
607
    m_initialized = false;
608
    qRegisterMetaType<CppEditor::Internal::SemanticInfo>("CppEditor::Internal::SemanticInfo");
Roberto Raggi's avatar
Roberto Raggi committed
609
610
611
612

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

con's avatar
con committed
613
614
    setParenthesesMatchingEnabled(true);
    setMarksVisible(true);
615
    setCodeFoldingSupported(true);
con's avatar
con committed
616
    setCodeFoldingVisible(true);
617
    baseTextDocument()->setSyntaxHighlighter(new CppHighlighter);
con's avatar
con committed
618

Roberto Raggi's avatar
Roberto Raggi committed
619
    m_modelManager = CppTools::CppModelManagerInterface::instance();
con's avatar
con committed
620
621
622
623
624
625
626
627
628

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

CPPEditor::~CPPEditor()
{
629
630
    Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));

Roberto Raggi's avatar
Roberto Raggi committed
631
632
    m_semanticHighlighter->abort();
    m_semanticHighlighter->wait();
con's avatar
con committed
633
634
635
636
637
638
639
640
641
642
643
644
645
}

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);
646
647
648
649
650
651

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

652
    QTreeView *methodView = new OverviewTreeView;
con's avatar
con committed
653
654
655
656
657
658
    methodView->header()->hide();
    methodView->setItemsExpandable(false);
    m_methodCombo->setView(methodView);
    m_methodCombo->setMaxVisibleItems(20);

    m_overviewModel = new OverviewModel(this);
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
    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
675

Roberto Raggi's avatar
Roberto Raggi committed
676
677
678
679
680
    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
681
682
683
684
685
    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
686
687
    connect(m_methodCombo, SIGNAL(activated(int)), this, SLOT(jumpToMethod(int)));
    connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateMethodBoxIndex()));
688
    connect(m_methodCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateMethodBoxToolTip()));
689
    connect(document(), SIGNAL(contentsChange(int,int,int)), this, SLOT(onContentsChanged(int,int,int)));
con's avatar
con committed
690
691
692

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

Roberto Raggi's avatar
Roberto Raggi committed
693
694
695
696
697

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

698
699
    connect(m_semanticHighlighter, SIGNAL(changed(CppEditor::Internal::SemanticInfo)),
            this, SLOT(updateSemanticInfo(CppEditor::Internal::SemanticInfo)));
Roberto Raggi's avatar
Roberto Raggi committed
700

con's avatar
con committed
701
    QToolBar *toolBar = static_cast<QToolBar*>(editable->toolBar());
con's avatar
con committed
702
    QList<QAction*> actions = toolBar->actions();
703
704
    QWidget *w = toolBar->widgetForAction(actions.first());
    static_cast<QHBoxLayout*>(w->layout())->insertWidget(0, m_methodCombo, 1);
con's avatar
con committed
705
706
}

mae's avatar
mae committed
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
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();
}

731
732
733
734
735
TokenCache *CPPEditor::tokenCache() const
{
    return m_modelManager->tokenCache(editableInterface());
}

736
737
738
739
740
CppTools::CppModelManagerInterface *CPPEditor::modelManager() const
{
    return m_modelManager;
}

mae's avatar
mae committed
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
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;
}

777
778
void CPPEditor::abortRename()
{
mae's avatar
mae committed
779
780
    if (m_currentRenameSelection < 0)
        return;
781
    m_renameSelections[m_currentRenameSelection].format = m_occurrencesFormat;
782
    m_currentRenameSelection = -1;
mae's avatar
mae committed
783
784
    m_currentRenameSelectionBegin = QTextCursor();
    m_currentRenameSelectionEnd = QTextCursor();
785
786
787
    setExtraSelections(CodeSemanticsSelection, m_renameSelections);
}

con's avatar
con committed
788
789
790
791
792
void CPPEditor::onDocumentUpdated(Document::Ptr doc)
{
    if (doc->fileName() != file()->fileName())
        return;

793
794
795
    if (doc->editorRevision() != editorRevision())
        return;

Roberto Raggi's avatar
Roberto Raggi committed
796
797
798
799
800
801
802
    if (! m_initialized) {
        m_initialized = true;

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

con's avatar
con committed
803
    m_overviewModel->rebuild(doc);
804
805
    OverviewTreeView *treeView = static_cast<OverviewTreeView *>(m_methodCombo->view());
    treeView->sync();
Roberto Raggi's avatar
Roberto Raggi committed
806
    updateMethodBoxIndexNow();
con's avatar
con committed
807
808
}

809
const Macro *CPPEditor::findCanonicalMacro(const QTextCursor &cursor, Document::Ptr doc) const
Christian Kamm's avatar
Christian Kamm committed
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
{
    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;
}
825
826

void CPPEditor::findUsages()
827
{
828
829
830
831
832
833
834
    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
835
        m_modelManager->findMacroUsages(*macro);
836
    }
837
838
839
}

void CPPEditor::renameUsages()
840
{
841
842
843
    renameUsagesNow();
}

844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
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();
}

867
868
void CPPEditor::hideRenameNotification()
{
869
    setShowWarningMessage(false);
870
    Core::EditorManager::instance()->hideEditorInfoBar(QLatin1String("CppEditor.Rename"));
871
872
873
874
}

void CPPEditor::renameUsagesNow()
{
875
876
877
878
    const SemanticInfo info = m_lastSemanticInfo;

    FindCanonicalSymbol cs(this, info);
    if (Symbol *canonicalSymbol = cs(textCursor())) {
879
        if (canonicalSymbol->identifier() != 0) {
880
881
882
883
884
885
            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()));
            }
886

887
            m_modelManager->renameUsages(canonicalSymbol, cs.context());
888
        }
889
890
891
    }
}

892
void CPPEditor::markSymbols(Symbol *canonicalSymbol, const SemanticInfo &info)
893
{
Roberto Raggi's avatar
Roberto Raggi committed
894
    //updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
895

mae's avatar
mae committed
896
    abortRename();
897
898
899

    QList<QTextEdit::ExtraSelection> selections;

900
901
    if (canonicalSymbol) {
        TranslationUnit *unit = info.doc->translationUnit();
902

Roberto Raggi's avatar
Roberto Raggi committed
903
        const QList<int> references = m_modelManager->references(canonicalSymbol, info.context);
904
905
906
        foreach (int index, references) {
            unsigned line, column;
            unit->getTokenPosition(index, &line, &column);
907

908
909
            if (column)
                --column;  // adjust the column position.
910

911
            const int len = unit->tokenAt(index).f.length;
912

913
914
915
            QTextCursor cursor(document()->findBlockByNumber(line - 1));
            cursor.setPosition(cursor.position() + column);
            cursor.setPosition(cursor.position() + len, QTextCursor::KeepAnchor);
916

917
918
919
920
            QTextEdit::ExtraSelection sel;
            sel.format = m_occurrencesFormat;
            sel.cursor = cursor;
            selections.append(sel);
921
        }
Roberto Raggi's avatar
Roberto Raggi committed
922
    }
923
924

    setExtraSelections(CodeSemanticsSelection, selections);
Roberto Raggi's avatar
Roberto Raggi committed
925
926
}

927
void CPPEditor::renameSymbolUnderCursor()
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
928
{
Roberto Raggi's avatar
Roberto Raggi committed
929
    updateSemanticInfo(m_semanticHighlighter->semanticInfo(currentSource()));
mae's avatar
mae committed
930
    abortRename();
931

Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
932
933
934
935
936
    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()
937
                && c.position() <= s.cursor.position()) {
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
938
            m_currentRenameSelection = i;
mae's avatar
mae committed
939
940
941
942
943
            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());
944
            m_renameSelections[i].format = m_occurrenceRenameFormat;
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
945
946
947
948
            setExtraSelections(CodeSemanticsSelection, m_renameSelections);
            break;
        }
    }
949
950

    if (m_renameSelections.isEmpty())
951
        renameUsages();
Thorbjørn Lindeijer's avatar
Thorbjørn Lindeijer committed
952
953
}

954
955
void CPPEditor::onContentsChanged(int position, int charsRemoved, int charsAdded)
{
956
957
    Q_UNUSED(position)

mae's avatar
mae committed
958
    if (m_currentRenameSelection == -1 || m_inRename)
959
960
        return;

mae's avatar
mae committed
961
962
963
964
965
966
967
968
969
970
971
    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)
972
973
974
975
976
977
        abortRename();

    if (charsRemoved > 0)
        updateUses();
}

con's avatar
con committed
978
979
980
981
982
void CPPEditor::updateFileName()
{ }

void CPPEditor::jumpToMethod(int)
{
983
    QModelIndex index = m_proxyModel->mapToSource(m_methodCombo->view()->currentIndex());
con's avatar
con committed
984
985
986
987
    Symbol *symbol = m_overviewModel->symbolFromIndex(index);
    if (! symbol)
        return;

988
    openCppEditorAt(linkToSymbol(symbol));
con's avatar
con committed
989
990
}

991
992
993
994
995
996
997
998
999
1000
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);
For faster browsing, not all history is shown. View entire blame