|
1 /**************************************************************************** |
|
2 ** |
|
3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). |
|
4 ** All rights reserved. |
|
5 ** Contact: Nokia Corporation (qt-info@nokia.com) |
|
6 ** |
|
7 ** This file is part of the examples of the Qt Toolkit. |
|
8 ** |
|
9 ** $QT_BEGIN_LICENSE:LGPL$ |
|
10 ** No Commercial Usage |
|
11 ** This file contains pre-release code and may not be distributed. |
|
12 ** You may use this file in accordance with the terms and conditions |
|
13 ** contained in the Technology Preview License Agreement accompanying |
|
14 ** this package. |
|
15 ** |
|
16 ** GNU Lesser General Public License Usage |
|
17 ** Alternatively, this file may be used under the terms of the GNU Lesser |
|
18 ** General Public License version 2.1 as published by the Free Software |
|
19 ** Foundation and appearing in the file LICENSE.LGPL included in the |
|
20 ** packaging of this file. Please review the following information to |
|
21 ** ensure the GNU Lesser General Public License version 2.1 requirements |
|
22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
|
23 ** |
|
24 ** In addition, as a special exception, Nokia gives you certain additional |
|
25 ** rights. These rights are described in the Nokia Qt LGPL Exception |
|
26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
|
27 ** |
|
28 ** If you have questions regarding the use of this file, please contact |
|
29 ** Nokia at qt-info@nokia.com. |
|
30 ** |
|
31 ** |
|
32 ** |
|
33 ** |
|
34 ** |
|
35 ** |
|
36 ** |
|
37 ** |
|
38 ** $QT_END_LICENSE$ |
|
39 ** |
|
40 ****************************************************************************/ |
|
41 |
|
42 #include "scriptdebugger.h" |
|
43 #include "scriptbreakpointmanager.h" |
|
44 |
|
45 #include <QtScript/QScriptEngine> |
|
46 #include <QtScript/QScriptEngineAgent> |
|
47 #include <QtScript/QScriptContextInfo> |
|
48 #include <QtScript/QScriptValueIterator> |
|
49 #include <QtCore/QTextStream> |
|
50 #include <QtCore/QStack> |
|
51 |
|
52 static QString safeValueToString(const QScriptValue &value) |
|
53 { |
|
54 if (value.isObject()) |
|
55 return QLatin1String("[object Object]"); |
|
56 else |
|
57 return value.toString(); |
|
58 } |
|
59 |
|
60 class ScriptInfo; |
|
61 class ScriptBreakpointManager; |
|
62 |
|
63 class ScriptDebuggerPrivate |
|
64 : public QScriptEngineAgent |
|
65 { |
|
66 Q_DECLARE_PUBLIC(ScriptDebugger) |
|
67 public: |
|
68 enum Mode { |
|
69 Run, |
|
70 StepInto, |
|
71 StepOver |
|
72 }; |
|
73 |
|
74 ScriptDebuggerPrivate(QScriptEngine *engine); |
|
75 ~ScriptDebuggerPrivate(); |
|
76 |
|
77 // QScriptEngineAgent interface |
|
78 void scriptLoad(qint64 id, const QString &program, |
|
79 const QString &fileName, int lineNumber); |
|
80 void scriptUnload(qint64 id); |
|
81 |
|
82 void positionChange(qint64 scriptId, |
|
83 int lineNumber, int columnNumber); |
|
84 |
|
85 void functionEntry(qint64 scriptId); |
|
86 void functionExit(qint64 scriptId, |
|
87 const QScriptValue &returnValue); |
|
88 |
|
89 void exceptionThrow(qint64 scriptId, |
|
90 const QScriptValue &exception, bool hasHandler); |
|
91 |
|
92 |
|
93 void interactive(); |
|
94 bool executeCommand(const QString &command, const QStringList &args); |
|
95 |
|
96 void setMode(Mode mode); |
|
97 Mode mode() const; |
|
98 |
|
99 int frameCount() const; |
|
100 void setCurrentFrameIndex(int index); |
|
101 int currentFrameIndex() const; |
|
102 |
|
103 QScriptContext *frameContext(int index) const; |
|
104 QScriptContext *currentFrameContext() const; |
|
105 |
|
106 ScriptInfo *scriptInfo(QScriptContext *context) const; |
|
107 |
|
108 int listLineNumber() const; |
|
109 void setListLineNumber(int lineNumber); |
|
110 |
|
111 QString readLine(); |
|
112 void output(const QString &text); |
|
113 void message(const QString &text); |
|
114 void errorMessage(const QString &text); |
|
115 |
|
116 // attributes |
|
117 QTextStream *m_defaultInputStream; |
|
118 QTextStream *m_defaultOutputStream; |
|
119 QTextStream *m_defaultErrorStream; |
|
120 QTextStream *m_inputStream; |
|
121 QTextStream *m_outputStream; |
|
122 QTextStream *m_errorStream; |
|
123 |
|
124 ScriptBreakpointManager *m_bpManager; |
|
125 Mode m_mode; |
|
126 QMap<qint64, ScriptInfo*> m_scripts; |
|
127 QMap<QScriptContext*, QStack<qint64> > m_contextProgramIds; |
|
128 |
|
129 QString m_lastInteractiveCommand; |
|
130 QString m_commandPrefix; |
|
131 int m_stepDepth; |
|
132 int m_currentFrameIndex; |
|
133 int m_listLineNumber; |
|
134 |
|
135 ScriptDebugger *q_ptr; |
|
136 }; |
|
137 |
|
138 class ScriptInfo |
|
139 { |
|
140 public: |
|
141 ScriptInfo(const QString &code, const QString &fileName, int lineNumber) |
|
142 : m_code(code), m_fileName(fileName), m_lineNumber(lineNumber) |
|
143 { } |
|
144 |
|
145 inline QString code() const |
|
146 { return m_code; } |
|
147 inline QString fileName() const |
|
148 { return m_fileName; } |
|
149 inline int lineNumber() const |
|
150 { return m_lineNumber; } |
|
151 |
|
152 QString lineText(int lineNumber); |
|
153 QMap<int, int> m_lineOffsets; |
|
154 |
|
155 private: |
|
156 int lineOffset(int lineNumber); |
|
157 |
|
158 QString m_code; |
|
159 QString m_fileName; |
|
160 int m_lineNumber; |
|
161 }; |
|
162 |
|
163 int ScriptInfo::lineOffset(int lineNumber) |
|
164 { |
|
165 QMap<int, int>::const_iterator it = m_lineOffsets.constFind(lineNumber); |
|
166 if (it != m_lineOffsets.constEnd()) |
|
167 return it.value(); |
|
168 |
|
169 int offset; |
|
170 it = m_lineOffsets.constFind(lineNumber - 1); |
|
171 if (it != m_lineOffsets.constEnd()) { |
|
172 offset = it.value(); |
|
173 offset = m_code.indexOf(QLatin1Char('\n'), offset); |
|
174 if (offset != -1) |
|
175 ++offset; |
|
176 m_lineOffsets.insert(lineNumber, offset); |
|
177 } else { |
|
178 int index; |
|
179 it = m_lineOffsets.lowerBound(lineNumber); |
|
180 --it; |
|
181 if (it != m_lineOffsets.constBegin()) { |
|
182 index = it.key(); |
|
183 offset = it.value(); |
|
184 } else { |
|
185 index = m_lineNumber; |
|
186 offset = 0; |
|
187 } |
|
188 int j = index; |
|
189 for ( ; j < lineNumber; ++j) { |
|
190 m_lineOffsets.insert(j, offset); |
|
191 offset = m_code.indexOf(QLatin1Char('\n'), offset); |
|
192 if (offset == -1) |
|
193 break; |
|
194 ++offset; |
|
195 } |
|
196 m_lineOffsets.insert(j, offset); |
|
197 } |
|
198 return offset; |
|
199 } |
|
200 |
|
201 QString ScriptInfo::lineText(int lineNumber) |
|
202 { |
|
203 int startOffset = lineOffset(lineNumber); |
|
204 if (startOffset == -1) |
|
205 return QString(); |
|
206 int endOffset = lineOffset(lineNumber + 1); |
|
207 if (endOffset == -1) |
|
208 return m_code.mid(startOffset); |
|
209 else |
|
210 return m_code.mid(startOffset, endOffset - startOffset - 1); |
|
211 } |
|
212 |
|
213 |
|
214 |
|
215 ScriptDebuggerPrivate::ScriptDebuggerPrivate(QScriptEngine *engine) |
|
216 : QScriptEngineAgent(engine), m_mode(Run) |
|
217 { |
|
218 m_commandPrefix = QLatin1String("."); |
|
219 m_bpManager = new ScriptBreakpointManager; |
|
220 m_defaultInputStream = new QTextStream(stdin); |
|
221 m_defaultOutputStream = new QTextStream(stdout); |
|
222 m_defaultErrorStream = new QTextStream(stderr); |
|
223 m_inputStream = m_defaultInputStream; |
|
224 m_outputStream = m_defaultOutputStream; |
|
225 m_errorStream = m_defaultErrorStream; |
|
226 } |
|
227 |
|
228 ScriptDebuggerPrivate::~ScriptDebuggerPrivate() |
|
229 { |
|
230 delete m_defaultInputStream; |
|
231 delete m_defaultOutputStream; |
|
232 delete m_defaultErrorStream; |
|
233 delete m_bpManager; |
|
234 qDeleteAll(m_scripts); |
|
235 } |
|
236 |
|
237 QString ScriptDebuggerPrivate::readLine() |
|
238 { |
|
239 return m_inputStream->readLine(); |
|
240 } |
|
241 |
|
242 void ScriptDebuggerPrivate::output(const QString &text) |
|
243 { |
|
244 *m_outputStream << text; |
|
245 } |
|
246 |
|
247 void ScriptDebuggerPrivate::message(const QString &text) |
|
248 { |
|
249 *m_outputStream << text << endl; |
|
250 m_outputStream->flush(); |
|
251 } |
|
252 |
|
253 void ScriptDebuggerPrivate::errorMessage(const QString &text) |
|
254 { |
|
255 *m_errorStream << text << endl; |
|
256 m_errorStream->flush(); |
|
257 } |
|
258 |
|
259 void ScriptDebuggerPrivate::setMode(Mode mode) |
|
260 { |
|
261 m_mode = mode; |
|
262 } |
|
263 |
|
264 ScriptDebuggerPrivate::Mode ScriptDebuggerPrivate::mode() const |
|
265 { |
|
266 return m_mode; |
|
267 } |
|
268 |
|
269 QScriptContext *ScriptDebuggerPrivate::frameContext(int index) const |
|
270 { |
|
271 QScriptContext *ctx = engine()->currentContext(); |
|
272 for (int i = 0; i < index; ++i) { |
|
273 ctx = ctx->parentContext(); |
|
274 if (!ctx) |
|
275 break; |
|
276 } |
|
277 return ctx; |
|
278 } |
|
279 |
|
280 int ScriptDebuggerPrivate::currentFrameIndex() const |
|
281 { |
|
282 return m_currentFrameIndex; |
|
283 } |
|
284 |
|
285 void ScriptDebuggerPrivate::setCurrentFrameIndex(int index) |
|
286 { |
|
287 m_currentFrameIndex = index; |
|
288 m_listLineNumber = -1; |
|
289 } |
|
290 |
|
291 int ScriptDebuggerPrivate::listLineNumber() const |
|
292 { |
|
293 return m_listLineNumber; |
|
294 } |
|
295 |
|
296 void ScriptDebuggerPrivate::setListLineNumber(int lineNumber) |
|
297 { |
|
298 m_listLineNumber = lineNumber; |
|
299 } |
|
300 |
|
301 QScriptContext *ScriptDebuggerPrivate::currentFrameContext() const |
|
302 { |
|
303 return frameContext(currentFrameIndex()); |
|
304 } |
|
305 |
|
306 int ScriptDebuggerPrivate::frameCount() const |
|
307 { |
|
308 int count = 0; |
|
309 QScriptContext *ctx = engine()->currentContext(); |
|
310 while (ctx) { |
|
311 ++count; |
|
312 ctx = ctx->parentContext(); |
|
313 } |
|
314 return count; |
|
315 } |
|
316 |
|
317 ScriptInfo *ScriptDebuggerPrivate::scriptInfo(QScriptContext *context) const |
|
318 { |
|
319 QStack<qint64> pids = m_contextProgramIds.value(context); |
|
320 if (pids.isEmpty()) |
|
321 return 0; |
|
322 return m_scripts.value(pids.top()); |
|
323 } |
|
324 |
|
325 void ScriptDebuggerPrivate::interactive() |
|
326 { |
|
327 setCurrentFrameIndex(0); |
|
328 |
|
329 QString qsdbgPrompt = QString::fromLatin1("(qsdbg) "); |
|
330 QString dotPrompt = QString::fromLatin1(".... "); |
|
331 QString prompt = qsdbgPrompt; |
|
332 |
|
333 QString code; |
|
334 |
|
335 forever { |
|
336 |
|
337 *m_outputStream << prompt; |
|
338 m_outputStream->flush(); |
|
339 |
|
340 QString line = readLine(); |
|
341 |
|
342 if (code.isEmpty() && (line.isEmpty() || line.startsWith(m_commandPrefix))) { |
|
343 if (line.isEmpty()) |
|
344 line = m_lastInteractiveCommand; |
|
345 else |
|
346 m_lastInteractiveCommand = line; |
|
347 |
|
348 QStringList parts = line.split(QLatin1Char(' '), QString::SkipEmptyParts); |
|
349 if (!parts.isEmpty()) { |
|
350 QString command = parts.takeFirst().mid(1); |
|
351 if (executeCommand(command, parts)) |
|
352 break; |
|
353 } |
|
354 |
|
355 } else { |
|
356 if (line.isEmpty()) |
|
357 continue; |
|
358 |
|
359 code += line; |
|
360 code += QLatin1Char('\n'); |
|
361 |
|
362 if (line.trimmed().isEmpty()) { |
|
363 continue; |
|
364 |
|
365 } else if (! engine()->canEvaluate(code)) { |
|
366 prompt = dotPrompt; |
|
367 |
|
368 } else { |
|
369 setMode(Run); |
|
370 QScriptValue result = engine()->evaluate(code, QLatin1String("typein")); |
|
371 |
|
372 code.clear(); |
|
373 prompt = qsdbgPrompt; |
|
374 |
|
375 if (! result.isUndefined()) { |
|
376 errorMessage(result.toString()); |
|
377 engine()->clearExceptions(); |
|
378 } |
|
379 } |
|
380 } |
|
381 } |
|
382 } |
|
383 |
|
384 bool ScriptDebuggerPrivate::executeCommand(const QString &command, const QStringList &args) |
|
385 { |
|
386 if (command == QLatin1String("c") |
|
387 || command == QLatin1String("continue")) { |
|
388 setMode(Run); |
|
389 return true; |
|
390 } else if (command == QLatin1String("s") |
|
391 || command == QLatin1String("step")) { |
|
392 setMode(StepInto); |
|
393 return true; |
|
394 } else if (command == QLatin1String("n") |
|
395 || command == QLatin1String("next")) { |
|
396 setMode(StepOver); |
|
397 m_stepDepth = 0; |
|
398 return true; |
|
399 } else if (command == QLatin1String("f") |
|
400 || command == QLatin1String("frame")) { |
|
401 bool ok = false; |
|
402 int index = args.value(0).toInt(&ok); |
|
403 if (ok) { |
|
404 if (index < 0 || index >= frameCount()) { |
|
405 errorMessage("No such frame."); |
|
406 } else { |
|
407 setCurrentFrameIndex(index); |
|
408 QScriptContext *ctx = currentFrameContext(); |
|
409 message(QString::fromLatin1("#%0 %1").arg(index).arg(ctx->toString())); |
|
410 } |
|
411 } |
|
412 } else if (command == QLatin1String("bt") |
|
413 || command == QLatin1String("backtrace")) { |
|
414 QScriptContext *ctx = engine()->currentContext(); |
|
415 int index = -1; |
|
416 while (ctx) { |
|
417 ++index; |
|
418 QString line = ctx->toString(); |
|
419 message(QString::fromLatin1("#%0 %1").arg(index).arg(line)); |
|
420 ctx = ctx->parentContext(); |
|
421 } |
|
422 } else if (command == QLatin1String("up")) { |
|
423 int index = currentFrameIndex() + 1; |
|
424 if (index == frameCount()) { |
|
425 errorMessage(QString::fromLatin1("Initial frame selected; you cannot go up.")); |
|
426 } else { |
|
427 setCurrentFrameIndex(index); |
|
428 QScriptContext *ctx = currentFrameContext(); |
|
429 message(QString::fromLatin1("#%0 %1").arg(index).arg(ctx->toString())); |
|
430 } |
|
431 } else if (command == QLatin1String("down")) { |
|
432 int index = currentFrameIndex() - 1; |
|
433 if (index < 0) { |
|
434 errorMessage(QString::fromLatin1("Bottom (innermost) frame selected; you cannot go down.")); |
|
435 } else { |
|
436 setCurrentFrameIndex(index); |
|
437 QScriptContext *ctx = currentFrameContext(); |
|
438 message(QString::fromLatin1("#%0 %1").arg(index).arg(ctx->toString())); |
|
439 } |
|
440 } else if (command == QLatin1String("b") |
|
441 || command == QLatin1String("break")) { |
|
442 QString str = args.value(0); |
|
443 int colonIndex = str.indexOf(QLatin1Char(':')); |
|
444 if (colonIndex != -1) { |
|
445 // filename:line form |
|
446 QString fileName = str.left(colonIndex); |
|
447 int lineNumber = str.mid(colonIndex+1).toInt(); |
|
448 int id = m_bpManager->setBreakpoint(fileName, lineNumber); |
|
449 message(QString::fromLatin1("Breakpoint %0 at %1, line %2.").arg(id+1).arg(fileName).arg(lineNumber)); |
|
450 } else { |
|
451 // function |
|
452 QScriptValue fun = engine()->globalObject().property(str); |
|
453 if (fun.isFunction()) { |
|
454 int id = m_bpManager->setBreakpoint(fun); |
|
455 message(QString::fromLatin1("Breakpoint %0 at %1().").arg(id+1).arg(str)); |
|
456 } |
|
457 } |
|
458 } else if (command == QLatin1String("d") |
|
459 || command == QLatin1String("delete")) { |
|
460 int id = args.value(0).toInt() - 1; |
|
461 m_bpManager->removeBreakpoint(id); |
|
462 } else if (command == QLatin1String("disable")) { |
|
463 int id = args.value(0).toInt() - 1; |
|
464 m_bpManager->setBreakpointEnabled(id, false); |
|
465 } else if (command == QLatin1String("enable")) { |
|
466 int id = args.value(0).toInt() - 1; |
|
467 m_bpManager->setBreakpointEnabled(id, true); |
|
468 } else if (command == QLatin1String("list")) { |
|
469 QScriptContext *ctx = currentFrameContext(); |
|
470 ScriptInfo *progInfo = scriptInfo(ctx); |
|
471 if (!progInfo) { |
|
472 errorMessage("No source text available for this frame."); |
|
473 } else { |
|
474 QScriptContextInfo ctxInfo(ctx); |
|
475 bool ok; |
|
476 int line = args.value(0).toInt(&ok); |
|
477 if (ok) { |
|
478 line = qMax(1, line - 5); |
|
479 } else { |
|
480 line = listLineNumber(); |
|
481 if (line == -1) |
|
482 line = qMax(progInfo->lineNumber(), ctxInfo.lineNumber() - 5); |
|
483 } |
|
484 for (int i = line; i < line + 10; ++i) { |
|
485 message(QString::fromLatin1("%0\t%1").arg(i).arg(progInfo->lineText(i))); |
|
486 } |
|
487 setListLineNumber(line + 10); |
|
488 } |
|
489 } else if (command == QLatin1String("info")) { |
|
490 if (args.size() < 1) { |
|
491 } else { |
|
492 QString what = args.value(0); |
|
493 if (what == QLatin1String("locals")) { |
|
494 QScriptValueIterator it(currentFrameContext()->activationObject()); |
|
495 while (it.hasNext()) { |
|
496 it.next(); |
|
497 QString line; |
|
498 line.append(it.name()); |
|
499 line.append(QLatin1String(" = ")); |
|
500 line.append(safeValueToString(it.value())); |
|
501 message(line); |
|
502 } |
|
503 } |
|
504 } |
|
505 } else if (command == QLatin1String("help")) { |
|
506 message("continue - continue execution\n" |
|
507 "step - step into statement\n" |
|
508 "next - step over statement\n" |
|
509 "list - show where you are\n" |
|
510 "\n" |
|
511 "break - set breakpoint\n" |
|
512 "delete - remove breakpoint\n" |
|
513 "disable - disable breakpoint\n" |
|
514 "enable - enable breakpoint\n" |
|
515 "\n" |
|
516 "backtrace - show backtrace\n" |
|
517 "up - one frame up\n" |
|
518 "down - one frame down\n" |
|
519 "frame - set frame\n" |
|
520 "\n" |
|
521 "info locals - show local variables"); |
|
522 } else { |
|
523 errorMessage(QString::fromLatin1("Undefined command \"%0\". Try \"help\".") |
|
524 .arg(command)); |
|
525 } |
|
526 |
|
527 return false; |
|
528 } |
|
529 |
|
530 |
|
531 // QScriptEngineAgent interface |
|
532 |
|
533 void ScriptDebuggerPrivate::scriptLoad(qint64 id, const QString &program, |
|
534 const QString &fileName, int lineNumber) |
|
535 { |
|
536 ScriptInfo *info = new ScriptInfo(program, fileName, lineNumber); |
|
537 m_scripts.insert(id, info); |
|
538 } |
|
539 |
|
540 void ScriptDebuggerPrivate::scriptUnload(qint64 id) |
|
541 { |
|
542 ScriptInfo *info = m_scripts.take(id); |
|
543 delete info; |
|
544 } |
|
545 |
|
546 void ScriptDebuggerPrivate::functionEntry(qint64 scriptId) |
|
547 { |
|
548 if (scriptId != -1) { |
|
549 QScriptContext *ctx = engine()->currentContext(); |
|
550 QStack<qint64> ids = m_contextProgramIds.value(ctx); |
|
551 ids.push(scriptId); |
|
552 m_contextProgramIds.insert(ctx, ids); |
|
553 } |
|
554 |
|
555 if (mode() == StepOver) |
|
556 ++m_stepDepth; |
|
557 } |
|
558 |
|
559 void ScriptDebuggerPrivate::functionExit(qint64 scriptId, |
|
560 const QScriptValue &/*returnValue*/) |
|
561 { |
|
562 if (scriptId != -1) { |
|
563 QScriptContext *ctx = engine()->currentContext(); |
|
564 QStack<qint64> ids = m_contextProgramIds.value(ctx); |
|
565 Q_ASSERT(!ids.isEmpty()); |
|
566 Q_ASSERT(ids.top() == scriptId); |
|
567 ids.pop(); |
|
568 m_contextProgramIds.insert(ctx, ids); |
|
569 } |
|
570 |
|
571 if (mode() == StepOver) |
|
572 --m_stepDepth; |
|
573 } |
|
574 |
|
575 void ScriptDebuggerPrivate::positionChange(qint64 scriptId, |
|
576 int lineNumber, int /*columnNumber*/) |
|
577 { |
|
578 ScriptInfo *info = 0; |
|
579 bool enterInteractiveMode = false; |
|
580 |
|
581 if (m_bpManager->hasBreakpoints()) { |
|
582 // check if we hit a breakpoint |
|
583 info = m_scripts.value(scriptId); |
|
584 QScriptContext *ctx = engine()->currentContext(); |
|
585 QScriptContextInfo ctxInfo(ctx); |
|
586 QScriptValue callee = ctx->callee(); |
|
587 |
|
588 // try fileName:lineNumber |
|
589 int bpid = m_bpManager->findBreakpoint(info->fileName(), lineNumber); |
|
590 if ((bpid != -1) && m_bpManager->isBreakpointEnabled(bpid)) { |
|
591 message(QString::fromLatin1("Breakpoint %0 at %1:%2") |
|
592 .arg(bpid + 1).arg(info->fileName()).arg(lineNumber)); |
|
593 if (m_bpManager->isBreakpointSingleShot(bpid)) |
|
594 m_bpManager->removeBreakpoint(bpid); |
|
595 } |
|
596 if (bpid == -1) { |
|
597 // try function |
|
598 bpid = m_bpManager->findBreakpoint(callee); |
|
599 if ((bpid != -1) && m_bpManager->isBreakpointEnabled(bpid)) { |
|
600 message(QString::fromLatin1("Breakpoint %0, %1()") |
|
601 .arg(bpid + 1).arg(ctxInfo.functionName())); |
|
602 if (m_bpManager->isBreakpointSingleShot(bpid)) |
|
603 m_bpManager->removeBreakpoint(bpid); |
|
604 } |
|
605 } |
|
606 if ((bpid == -1) && !ctxInfo.functionName().isEmpty()) { |
|
607 // try functionName:fileName |
|
608 bpid = m_bpManager->findBreakpoint(ctxInfo.functionName(), ctxInfo.fileName()); |
|
609 if ((bpid != -1) && m_bpManager->isBreakpointEnabled(bpid)) { |
|
610 message(QString::fromLatin1("Breakpoint %0, %1():%2").arg(bpid + 1) |
|
611 .arg(ctxInfo.functionName()).arg(ctxInfo.fileName())); |
|
612 if (m_bpManager->isBreakpointSingleShot(bpid)) |
|
613 m_bpManager->removeBreakpoint(bpid); |
|
614 } |
|
615 } |
|
616 |
|
617 enterInteractiveMode = (bpid != -1); |
|
618 } |
|
619 |
|
620 switch (mode()) { |
|
621 case Run: |
|
622 break; |
|
623 |
|
624 case StepInto: |
|
625 enterInteractiveMode = true; |
|
626 break; |
|
627 |
|
628 case StepOver: |
|
629 enterInteractiveMode = enterInteractiveMode || (m_stepDepth <= 0); |
|
630 break; |
|
631 } |
|
632 |
|
633 if (enterInteractiveMode) { |
|
634 if (!info) |
|
635 info = m_scripts.value(scriptId); |
|
636 Q_ASSERT(info); |
|
637 message(QString::fromLatin1("%0\t%1").arg(lineNumber).arg(info->lineText(lineNumber))); |
|
638 interactive(); |
|
639 } |
|
640 } |
|
641 |
|
642 void ScriptDebuggerPrivate::exceptionThrow(qint64 /*scriptId*/, |
|
643 const QScriptValue &exception, |
|
644 bool hasHandler) |
|
645 { |
|
646 if (!hasHandler) { |
|
647 errorMessage(QString::fromLatin1("uncaught exception: %0").arg(exception.toString())); |
|
648 QScriptContext *ctx = engine()->currentContext(); |
|
649 int lineNumber = QScriptContextInfo(ctx).lineNumber(); |
|
650 ScriptInfo *info = scriptInfo(ctx); |
|
651 QString lineText = info ? info->lineText(lineNumber) : QString("(no source text available)"); |
|
652 message(QString::fromLatin1("%0\t%1").arg(lineNumber).arg(lineText)); |
|
653 interactive(); |
|
654 } |
|
655 } |
|
656 |
|
657 |
|
658 |
|
659 ScriptDebugger::ScriptDebugger(QScriptEngine *engine) |
|
660 : d_ptr(new ScriptDebuggerPrivate(engine)) |
|
661 { |
|
662 d_ptr->q_ptr = this; |
|
663 engine->setAgent(d_ptr); |
|
664 } |
|
665 |
|
666 ScriptDebugger::ScriptDebugger(QScriptEngine *engine, ScriptDebuggerPrivate &dd) |
|
667 : d_ptr(&dd) |
|
668 { |
|
669 d_ptr->q_ptr = this; |
|
670 engine->setAgent(d_ptr); |
|
671 } |
|
672 |
|
673 ScriptDebugger::~ScriptDebugger() |
|
674 { |
|
675 delete d_ptr; |
|
676 d_ptr = 0; |
|
677 } |
|
678 |
|
679 void ScriptDebugger::breakAtNextStatement() |
|
680 { |
|
681 Q_D(ScriptDebugger); |
|
682 d->setMode(ScriptDebuggerPrivate::StepInto); |
|
683 } |
|
684 |
|
685 void ScriptDebugger::setBreakpoint(const QString &fileName, int lineNumber) |
|
686 { |
|
687 Q_D(ScriptDebugger); |
|
688 d->m_bpManager->setBreakpoint(fileName, lineNumber); |
|
689 } |
|
690 |
|
691 void ScriptDebugger::setBreakpoint(const QString &functionName, const QString &fileName) |
|
692 { |
|
693 Q_D(ScriptDebugger); |
|
694 d->m_bpManager->setBreakpoint(functionName, fileName); |
|
695 } |
|
696 |
|
697 void ScriptDebugger::setBreakpoint(const QScriptValue &function) |
|
698 { |
|
699 Q_D(ScriptDebugger); |
|
700 d->m_bpManager->setBreakpoint(function); |
|
701 } |
|
702 |
|
703 QTextStream *ScriptDebugger::inputStream() const |
|
704 { |
|
705 Q_D(const ScriptDebugger); |
|
706 return d->m_inputStream; |
|
707 } |
|
708 |
|
709 void ScriptDebugger::setInputStream(QTextStream *inputStream) |
|
710 { |
|
711 Q_D(ScriptDebugger); |
|
712 d->m_inputStream = inputStream; |
|
713 } |
|
714 |
|
715 QTextStream *ScriptDebugger::outputStream() const |
|
716 { |
|
717 Q_D(const ScriptDebugger); |
|
718 return d->m_outputStream; |
|
719 } |
|
720 |
|
721 void ScriptDebugger::setOutputStream(QTextStream *outputStream) |
|
722 { |
|
723 Q_D(ScriptDebugger); |
|
724 d->m_outputStream = outputStream; |
|
725 } |
|
726 |
|
727 QTextStream *ScriptDebugger::errorStream() const |
|
728 { |
|
729 Q_D(const ScriptDebugger); |
|
730 return d->m_errorStream; |
|
731 } |
|
732 |
|
733 void ScriptDebugger::setErrorStream(QTextStream *errorStream) |
|
734 { |
|
735 Q_D(ScriptDebugger); |
|
736 d->m_errorStream = errorStream; |
|
737 } |