OLD | NEW |
1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
(...skipping 22 matching lines...) Expand all Loading... |
33 | 33 |
34 #include "bindings/core/v8/V8Binding.h" | 34 #include "bindings/core/v8/V8Binding.h" |
35 #include "bindings/core/v8/V8RecursionScope.h" | 35 #include "bindings/core/v8/V8RecursionScope.h" |
36 #include "core/dom/ContextLifecycleObserver.h" | 36 #include "core/dom/ContextLifecycleObserver.h" |
37 #include "core/dom/ExecutionContext.h" | 37 #include "core/dom/ExecutionContext.h" |
38 #include "core/dom/ExecutionContextTask.h" | 38 #include "core/dom/ExecutionContextTask.h" |
39 #include "core/events/Event.h" | 39 #include "core/events/Event.h" |
40 #include "core/events/EventTarget.h" | 40 #include "core/events/EventTarget.h" |
41 #include "core/xml/XMLHttpRequest.h" | 41 #include "core/xml/XMLHttpRequest.h" |
42 #include "core/xml/XMLHttpRequestUpload.h" | 42 #include "core/xml/XMLHttpRequestUpload.h" |
43 #include "wtf/text/AtomicStringHash.h" | |
44 #include "wtf/text/StringBuilder.h" | 43 #include "wtf/text/StringBuilder.h" |
| 44 #include "wtf/text/StringHash.h" |
45 #include <v8.h> | 45 #include <v8.h> |
46 | 46 |
47 namespace { | 47 namespace { |
48 | 48 |
49 static const char setTimeoutName[] = "setTimeout"; | 49 static const char setTimeoutName[] = "setTimeout"; |
50 static const char setIntervalName[] = "setInterval"; | 50 static const char setIntervalName[] = "setInterval"; |
51 static const char requestAnimationFrameName[] = "requestAnimationFrame"; | 51 static const char requestAnimationFrameName[] = "requestAnimationFrame"; |
52 static const char xhrSendName[] = "XMLHttpRequest.send"; | 52 static const char xhrSendName[] = "XMLHttpRequest.send"; |
53 static const char enqueueMutationRecordName[] = "Mutation"; | 53 static const char enqueueMutationRecordName[] = "Mutation"; |
54 | 54 |
(...skipping 21 matching lines...) Expand all Loading... |
76 | 76 |
77 public: | 77 public: |
78 AsyncCallStackTracker* m_tracker; | 78 AsyncCallStackTracker* m_tracker; |
79 HashSet<int> m_intervalTimerIds; | 79 HashSet<int> m_intervalTimerIds; |
80 HashMap<int, RefPtr<AsyncCallChain> > m_timerCallChains; | 80 HashMap<int, RefPtr<AsyncCallChain> > m_timerCallChains; |
81 HashMap<int, RefPtr<AsyncCallChain> > m_animationFrameCallChains; | 81 HashMap<int, RefPtr<AsyncCallChain> > m_animationFrameCallChains; |
82 HashMap<Event*, RefPtr<AsyncCallChain> > m_eventCallChains; | 82 HashMap<Event*, RefPtr<AsyncCallChain> > m_eventCallChains; |
83 HashMap<EventTarget*, RefPtr<AsyncCallChain> > m_xhrCallChains; | 83 HashMap<EventTarget*, RefPtr<AsyncCallChain> > m_xhrCallChains; |
84 HashMap<MutationObserver*, RefPtr<AsyncCallChain> > m_mutationObserverCallCh
ains; | 84 HashMap<MutationObserver*, RefPtr<AsyncCallChain> > m_mutationObserverCallCh
ains; |
85 HashMap<ExecutionContextTask*, RefPtr<AsyncCallChain> > m_executionContextTa
skCallChains; | 85 HashMap<ExecutionContextTask*, RefPtr<AsyncCallChain> > m_executionContextTa
skCallChains; |
| 86 HashMap<String, RefPtr<AsyncCallChain> > m_v8AsyncTaskCallChains; |
86 }; | 87 }; |
87 | 88 |
88 static XMLHttpRequest* toXmlHttpRequest(EventTarget* eventTarget) | 89 static XMLHttpRequest* toXmlHttpRequest(EventTarget* eventTarget) |
89 { | 90 { |
90 const AtomicString& interfaceName = eventTarget->interfaceName(); | 91 const AtomicString& interfaceName = eventTarget->interfaceName(); |
91 if (interfaceName == EventTargetNames::XMLHttpRequest) | 92 if (interfaceName == EventTargetNames::XMLHttpRequest) |
92 return static_cast<XMLHttpRequest*>(eventTarget); | 93 return static_cast<XMLHttpRequest*>(eventTarget); |
93 if (interfaceName == EventTargetNames::XMLHttpRequestUpload) | 94 if (interfaceName == EventTargetNames::XMLHttpRequestUpload) |
94 return static_cast<XMLHttpRequestUpload*>(eventTarget)->xmlHttpRequest()
; | 95 return static_cast<XMLHttpRequestUpload*>(eventTarget)->xmlHttpRequest()
; |
95 return 0; | 96 return 0; |
(...skipping 223 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
319 void AsyncCallStackTracker::willPerformExecutionContextTask(ExecutionContext* co
ntext, ExecutionContextTask* task) | 320 void AsyncCallStackTracker::willPerformExecutionContextTask(ExecutionContext* co
ntext, ExecutionContextTask* task) |
320 { | 321 { |
321 ASSERT(context); | 322 ASSERT(context); |
322 ASSERT(isEnabled()); | 323 ASSERT(isEnabled()); |
323 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) | 324 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) |
324 setCurrentAsyncCallChain(context, data->m_executionContextTaskCallChains
.take(task)); | 325 setCurrentAsyncCallChain(context, data->m_executionContextTaskCallChains
.take(task)); |
325 else | 326 else |
326 setCurrentAsyncCallChain(context, nullptr); | 327 setCurrentAsyncCallChain(context, nullptr); |
327 } | 328 } |
328 | 329 |
| 330 static String makeV8AsyncTaskUniqueId(const String& eventName, int id) |
| 331 { |
| 332 StringBuilder builder; |
| 333 builder.append(eventName); |
| 334 builder.appendNumber(id); |
| 335 return builder.toString(); |
| 336 } |
| 337 |
| 338 void AsyncCallStackTracker::didEnqueueV8AsyncTask(ExecutionContext* context, con
st String& eventName, int id, const ScriptValue& callFrames) |
| 339 { |
| 340 ASSERT(context); |
| 341 ASSERT(isEnabled()); |
| 342 if (!validateCallFrames(callFrames)) |
| 343 return; |
| 344 ExecutionContextData* data = createContextDataIfNeeded(context); |
| 345 data->m_v8AsyncTaskCallChains.set(makeV8AsyncTaskUniqueId(eventName, id), cr
eateAsyncCallChain(eventName, callFrames)); |
| 346 } |
| 347 |
| 348 void AsyncCallStackTracker::willHandleV8AsyncTask(ExecutionContext* context, con
st String& eventName, int id) |
| 349 { |
| 350 ASSERT(context); |
| 351 ASSERT(isEnabled()); |
| 352 if (ExecutionContextData* data = m_executionContextDataMap.get(context)) |
| 353 setCurrentAsyncCallChain(context, data->m_v8AsyncTaskCallChains.take(mak
eV8AsyncTaskUniqueId(eventName, id))); |
| 354 else |
| 355 setCurrentAsyncCallChain(context, nullptr); |
| 356 } |
| 357 |
329 void AsyncCallStackTracker::didFireAsyncCall() | 358 void AsyncCallStackTracker::didFireAsyncCall() |
330 { | 359 { |
331 clearCurrentAsyncCallChain(); | 360 clearCurrentAsyncCallChain(); |
332 } | 361 } |
333 | 362 |
334 PassRefPtr<AsyncCallStackTracker::AsyncCallChain> AsyncCallStackTracker::createA
syncCallChain(const String& description, const ScriptValue& callFrames) | 363 PassRefPtr<AsyncCallStackTracker::AsyncCallChain> AsyncCallStackTracker::createA
syncCallChain(const String& description, const ScriptValue& callFrames) |
335 { | 364 { |
| 365 if (callFrames.isEmpty()) { |
| 366 ASSERT(m_currentAsyncCallChain); |
| 367 return m_currentAsyncCallChain; // Propogate async call stack chain. |
| 368 } |
336 RefPtr<AsyncCallChain> chain = adoptRef(m_currentAsyncCallChain ? new AsyncC
allStackTracker::AsyncCallChain(*m_currentAsyncCallChain) : new AsyncCallStackTr
acker::AsyncCallChain()); | 369 RefPtr<AsyncCallChain> chain = adoptRef(m_currentAsyncCallChain ? new AsyncC
allStackTracker::AsyncCallChain(*m_currentAsyncCallChain) : new AsyncCallStackTr
acker::AsyncCallChain()); |
337 ensureMaxAsyncCallChainDepth(chain.get(), m_maxAsyncCallStackDepth - 1); | 370 ensureMaxAsyncCallChainDepth(chain.get(), m_maxAsyncCallStackDepth - 1); |
338 chain->m_callStacks.prepend(adoptRef(new AsyncCallStackTracker::AsyncCallSta
ck(description, callFrames))); | 371 chain->m_callStacks.prepend(adoptRef(new AsyncCallStackTracker::AsyncCallSta
ck(description, callFrames))); |
339 return chain.release(); | 372 return chain.release(); |
340 } | 373 } |
341 | 374 |
342 void AsyncCallStackTracker::setCurrentAsyncCallChain(ExecutionContext* context,
PassRefPtr<AsyncCallChain> chain) | 375 void AsyncCallStackTracker::setCurrentAsyncCallChain(ExecutionContext* context,
PassRefPtr<AsyncCallChain> chain) |
343 { | 376 { |
344 if (V8RecursionScope::recursionLevel(toIsolate(context))) { | 377 if (V8RecursionScope::recursionLevel(toIsolate(context))) { |
345 if (m_currentAsyncCallChain) | 378 if (m_currentAsyncCallChain) |
(...skipping 15 matching lines...) Expand all Loading... |
361 } | 394 } |
362 | 395 |
363 void AsyncCallStackTracker::ensureMaxAsyncCallChainDepth(AsyncCallChain* chain,
unsigned maxDepth) | 396 void AsyncCallStackTracker::ensureMaxAsyncCallChainDepth(AsyncCallChain* chain,
unsigned maxDepth) |
364 { | 397 { |
365 while (chain->m_callStacks.size() > maxDepth) | 398 while (chain->m_callStacks.size() > maxDepth) |
366 chain->m_callStacks.removeLast(); | 399 chain->m_callStacks.removeLast(); |
367 } | 400 } |
368 | 401 |
369 bool AsyncCallStackTracker::validateCallFrames(const ScriptValue& callFrames) | 402 bool AsyncCallStackTracker::validateCallFrames(const ScriptValue& callFrames) |
370 { | 403 { |
371 return !callFrames.isEmpty(); | 404 return !callFrames.isEmpty() || m_currentAsyncCallChain; |
372 } | 405 } |
373 | 406 |
374 AsyncCallStackTracker::ExecutionContextData* AsyncCallStackTracker::createContex
tDataIfNeeded(ExecutionContext* context) | 407 AsyncCallStackTracker::ExecutionContextData* AsyncCallStackTracker::createContex
tDataIfNeeded(ExecutionContext* context) |
375 { | 408 { |
376 ExecutionContextData* data = m_executionContextDataMap.get(context); | 409 ExecutionContextData* data = m_executionContextDataMap.get(context); |
377 if (!data) { | 410 if (!data) { |
378 data = new AsyncCallStackTracker::ExecutionContextData(this, context); | 411 data = new AsyncCallStackTracker::ExecutionContextData(this, context); |
379 m_executionContextDataMap.set(context, data); | 412 m_executionContextDataMap.set(context, data); |
380 } | 413 } |
381 return data; | 414 return data; |
382 } | 415 } |
383 | 416 |
384 void AsyncCallStackTracker::clear() | 417 void AsyncCallStackTracker::clear() |
385 { | 418 { |
386 m_currentAsyncCallChain.clear(); | 419 m_currentAsyncCallChain.clear(); |
387 m_nestedAsyncCallCount = 0; | 420 m_nestedAsyncCallCount = 0; |
388 ExecutionContextDataMap copy; | 421 ExecutionContextDataMap copy; |
389 m_executionContextDataMap.swap(copy); | 422 m_executionContextDataMap.swap(copy); |
390 for (ExecutionContextDataMap::const_iterator it = copy.begin(); it != copy.e
nd(); ++it) | 423 for (ExecutionContextDataMap::const_iterator it = copy.begin(); it != copy.e
nd(); ++it) |
391 delete it->value; | 424 delete it->value; |
392 } | 425 } |
393 | 426 |
394 } // namespace WebCore | 427 } // namespace WebCore |
OLD | NEW |