1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
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
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
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
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
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
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
|
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** Commercial Usage
**
** 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.
**
** GNU Lesser General Public License Usage
**
** 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.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
**
**************************************************************************/
#include "qtscripteditor.h"
#include "qtscripteditorconstants.h"
#include "qtscripthighlighter.h"
#include "qtscripteditorplugin.h"
#include "parser/javascriptengine_p.h"
#include "parser/javascriptparser_p.h"
#include "parser/javascriptlexer_p.h"
#include "parser/javascriptnodepool_p.h"
#include "parser/javascriptastvisitor_p.h"
#include "parser/javascriptast_p.h"
#include <indenter.h>
#include <coreplugin/icore.h>
#include <coreplugin/actionmanager/actionmanager.h>
#include <texteditor/basetextdocument.h>
#include <texteditor/fontsettings.h>
#include <texteditor/textblockiterator.h>
#include <texteditor/texteditorconstants.h>
#include <texteditor/texteditorsettings.h>
#include <QtCore/QTimer>
#include <QtCore/QtDebug>
#include <QtGui/QComboBox>
#include <QtGui/QHBoxLayout>
#include <QtGui/QMenu>
#include <QtGui/QToolBar>
enum {
UPDATE_DOCUMENT_DEFAULT_INTERVAL = 100
};
using namespace JavaScript::AST;
namespace QtScriptEditor {
namespace Internal {
class FindDeclarations: protected Visitor
{
QList<Declaration> declarations;
public:
QList<Declaration> accept(JavaScript::AST::Node *node)
{
JavaScript::AST::Node::acceptChild(node, this);
return declarations;
}
protected:
using Visitor::visit;
virtual bool visit(FunctionExpression *)
{
return false;
}
virtual bool visit(FunctionDeclaration *ast)
{
if (! ast->name)
return false;
QString text = ast->name->asString();
text += QLatin1Char('(');
for (FormalParameterList *it = ast->formals; it; it = it->next) {
if (it->name)
text += it->name->asString();
if (it->next)
text += QLatin1String(", ");
}
text += QLatin1Char(')');
Declaration d;
d.text = text;
d.startLine = ast->startLine;
d.startColumn = ast->startColumn;
d.endLine = ast->endLine;
d.endColumn = ast->endColumn;
declarations.append(d);
return false;
}
virtual bool visit(VariableDeclaration *ast)
{
if (! ast->name)
return false;
Declaration d;
d.text = ast->name->asString();
d.startLine= ast->startLine;
d.startColumn = ast->startColumn;
d.endLine = ast->endLine;
d.endColumn = ast->endColumn;
declarations.append(d);
return false;
}
};
ScriptEditorEditable::ScriptEditorEditable(ScriptEditor *editor, const QList<int>& context)
: BaseTextEditorEditable(editor), m_context(context)
{
}
ScriptEditor::ScriptEditor(const Context &context,
QWidget *parent) :
TextEditor::BaseTextEditor(parent),
m_context(context),
m_methodCombo(0)
{
setParenthesesMatchingEnabled(true);
setMarksVisible(true);
setCodeFoldingSupported(true);
setCodeFoldingVisible(true);
setMimeType(QtScriptEditor::Constants::C_QTSCRIPTEDITOR_MIMETYPE);
m_updateDocumentTimer = new QTimer(this);
m_updateDocumentTimer->setInterval(UPDATE_DOCUMENT_DEFAULT_INTERVAL);
m_updateDocumentTimer->setSingleShot(true);
connect(m_updateDocumentTimer, SIGNAL(timeout()), this, SLOT(updateDocumentNow()));
connect(this, SIGNAL(textChanged()), this, SLOT(updateDocument()));
baseTextDocument()->setSyntaxHighlighter(new QtScriptHighlighter);
}
ScriptEditor::~ScriptEditor()
{
}
QList<Declaration> ScriptEditor::declarations() const
{ return m_declarations; }
QStringList ScriptEditor::words() const
{ return m_words; }
Core::IEditor *ScriptEditorEditable::duplicate(QWidget *parent)
{
ScriptEditor *newEditor = new ScriptEditor(m_context, parent);
newEditor->duplicateFrom(editor());
QtScriptEditorPlugin::instance()->initializeEditor(newEditor);
return newEditor->editableInterface();
}
const char *ScriptEditorEditable::kind() const
{
return QtScriptEditor::Constants::C_QTSCRIPTEDITOR;
}
ScriptEditor::Context ScriptEditorEditable::context() const
{
return m_context;
}
void ScriptEditor::updateDocument()
{
m_updateDocumentTimer->start(UPDATE_DOCUMENT_DEFAULT_INTERVAL);
}
void ScriptEditor::updateDocumentNow()
{
// ### move in the parser thread.
m_updateDocumentTimer->stop();
const QString fileName = file()->fileName();
const QString code = toPlainText();
JavaScriptParser parser;
JavaScriptEnginePrivate driver;
JavaScript::NodePool nodePool(fileName, &driver);
driver.setNodePool(&nodePool);
JavaScript::Lexer lexer(&driver);
lexer.setCode(code, /*line = */ 1);
driver.setLexer(&lexer);
if (parser.parse(&driver)) {
JavaScript::AST::Visitor v;
driver.ast()->accept(&v);
FindDeclarations decls;
m_declarations = decls.accept(driver.ast());
m_words.clear();
foreach (const JavaScriptNameIdImpl &id, driver.literals())
m_words.append(id.asString());
QStringList items;
items.append(tr("<Select Symbol>"));
foreach (Declaration decl, m_declarations)
items.append(decl.text);
m_methodCombo->clear();
m_methodCombo->addItems(items);
updateMethodBoxIndex();
}
QList<QTextEdit::ExtraSelection> selections;
QTextCharFormat errorFormat;
errorFormat.setUnderlineColor(Qt::red);
errorFormat.setUnderlineStyle(QTextCharFormat::WaveUnderline);
QTextCharFormat warningFormat;
warningFormat.setUnderlineColor(Qt::darkYellow);
warningFormat.setUnderlineStyle(QTextCharFormat::WaveUnderline);
QTextEdit::ExtraSelection sel;
foreach (const JavaScriptParser::DiagnosticMessage &d, parser.diagnosticMessages()) {
int line = d.line;
int column = d.column;
if (column == 0)
column = 1;
if (d.isWarning())
sel.format = warningFormat;
else
sel.format = errorFormat;
QTextCursor c(document()->findBlockByNumber(line - 1));
sel.cursor = c;
sel.cursor.setPosition(c.position() + column - 1);
sel.cursor.movePosition(QTextCursor::EndOfWord, QTextCursor::KeepAnchor);
selections.append(sel);
}
setExtraSelections(CodeWarningsSelection, selections);
}
void ScriptEditor::jumpToMethod(int index)
{
if (index) {
Declaration d = m_declarations.at(index - 1);
gotoLine(d.startLine, d.startColumn - 1);
setFocus();
}
}
void ScriptEditor::updateMethodBoxIndex()
{
int line = 0, column = 0;
convertPosition(position(), &line, &column);
int currentSymbolIndex = 0;
int index = 0;
while (index < m_declarations.size()) {
const Declaration &d = m_declarations.at(index++);
if (line < d.startLine)
break;
else
currentSymbolIndex = index;
}
m_methodCombo->setCurrentIndex(currentSymbolIndex);
}
void ScriptEditor::updateMethodBoxToolTip()
{
}
void ScriptEditor::updateFileName()
{
}
void ScriptEditor::setFontSettings(const TextEditor::FontSettings &fs)
{
TextEditor::BaseTextEditor::setFontSettings(fs);
QtScriptHighlighter *highlighter = qobject_cast<QtScriptHighlighter*>(baseTextDocument()->syntaxHighlighter());
if (!highlighter)
return;
static QVector<QString> categories;
if (categories.isEmpty()) {
categories << QLatin1String(TextEditor::Constants::C_NUMBER)
<< QLatin1String(TextEditor::Constants::C_STRING)
<< QLatin1String(TextEditor::Constants::C_TYPE)
<< QLatin1String(TextEditor::Constants::C_KEYWORD)
<< QLatin1String(TextEditor::Constants::C_PREPROCESSOR)
<< QLatin1String(TextEditor::Constants::C_LABEL)
<< QLatin1String(TextEditor::Constants::C_COMMENT)
<< QLatin1String(TextEditor::Constants::C_VISUAL_WHITESPACE);
}
highlighter->setFormats(fs.toTextCharFormats(categories));
highlighter->rehighlight();
}
bool ScriptEditor::isElectricCharacter(const QChar &ch) const
{
if (ch == QLatin1Char('{') || ch == QLatin1Char('}'))
return true;
return false;
}
// Indent a code line based on previous
template <class Iterator>
static void indentScriptBlock(const TextEditor::TabSettings &ts,
const QTextBlock &block,
const Iterator &programBegin,
const Iterator &programEnd,
QChar typedChar)
{
typedef typename SharedTools::Indenter<Iterator> Indenter ;
Indenter &indenter = Indenter::instance();
indenter.setTabSize(ts.m_tabSize);
indenter.setIndentSize(ts.m_indentSize);
const TextEditor::TextBlockIterator current(block);
const int indent = indenter.indentForBottomLine(current, programBegin,
programEnd, typedChar);
ts.indentLine(block, indent);
}
void ScriptEditor::indentBlock(QTextDocument *doc, QTextBlock block, QChar typedChar)
{
const TextEditor::TextBlockIterator begin(doc->begin());
const TextEditor::TextBlockIterator end(block.next());
indentScriptBlock(tabSettings(), block, begin, end, typedChar);
}
TextEditor::BaseTextEditorEditable *ScriptEditor::createEditableInterface()
{
ScriptEditorEditable *editable = new ScriptEditorEditable(this, m_context);
createToolBar(editable);
return editable;
}
void ScriptEditor::createToolBar(ScriptEditorEditable *editable)
{
m_methodCombo = new QComboBox;
m_methodCombo->setMinimumContentsLength(22);
//m_methodCombo->setSizeAdjustPolicy(QComboBox::AdjustToContents);
// Make the combo box prefer to expand
QSizePolicy policy = m_methodCombo->sizePolicy();
policy.setHorizontalPolicy(QSizePolicy::Expanding);
m_methodCombo->setSizePolicy(policy);
connect(m_methodCombo, SIGNAL(activated(int)), this, SLOT(jumpToMethod(int)));
connect(this, SIGNAL(cursorPositionChanged()), this, SLOT(updateMethodBoxIndex()));
connect(m_methodCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(updateMethodBoxToolTip()));
connect(file(), SIGNAL(changed()), this, SLOT(updateFileName()));
QToolBar *toolBar = static_cast<QToolBar*>(editable->toolBar());
QList<QAction*> actions = toolBar->actions();
QWidget *w = toolBar->widgetForAction(actions.first());
static_cast<QHBoxLayout*>(w->layout())->insertWidget(0, m_methodCombo, 1);
}
void ScriptEditor::contextMenuEvent(QContextMenuEvent *e)
{
QMenu *menu = createStandardContextMenu();
if (Core::ActionContainer *mcontext = Core::ICore::instance()->actionManager()->actionContainer(QtScriptEditor::Constants::M_CONTEXT)) {
QMenu *contextMenu = mcontext->menu();
foreach (QAction *action, contextMenu->actions())
menu->addAction(action);
}
menu->exec(e->globalPos());
delete menu;
}
} // namespace Internal
} // namespace QtScriptEditor
|