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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "config.h" |
| 6 #include "bindings/core/v8/RejectedPromises.h" |
| 7 |
| 8 #include "bindings/core/v8/ScriptState.h" |
| 9 #include "bindings/core/v8/ScriptValue.h" |
| 10 #include "bindings/core/v8/V8Binding.h" |
| 11 #include "core/dom/ExecutionContext.h" |
| 12 #include "core/inspector/ConsoleMessage.h" |
| 13 #include "core/inspector/ScriptArguments.h" |
| 14 |
| 15 namespace blink { |
| 16 |
| 17 class RejectedPromises::Message final : public NoBaseWillBeGarbageCollectedFinal
ized<RejectedPromises::Message> { |
| 18 public: |
| 19 static PassOwnPtrWillBeRawPtr<Message> create(const ScriptValue& promise, co
nst ScriptValue& exception, const String& errorMessage, const String& resourceNa
me, int scriptId, int lineNumber, int columnNumber, PassRefPtrWillBeRawPtr<Scrip
tCallStack> callStack) |
| 20 { |
| 21 return adoptPtrWillBeNoop(new Message(promise, exception, errorMessage,
resourceName, scriptId, lineNumber, columnNumber, callStack)); |
| 22 } |
| 23 |
| 24 void trace(Visitor* visitor) |
| 25 { |
| 26 visitor->trace(m_callStack); |
| 27 } |
| 28 |
| 29 private: |
| 30 Message(const ScriptValue& promise, const ScriptValue& exception, const Stri
ng& errorMessage, const String& resourceName, int scriptId, int lineNumber, int
columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack) |
| 31 : m_promise(promise) |
| 32 , m_exception(exception) |
| 33 , m_errorMessage(errorMessage) |
| 34 , m_resourceName(resourceName) |
| 35 , m_scriptId(scriptId) |
| 36 , m_lineNumber(lineNumber) |
| 37 , m_columnNumber(columnNumber) |
| 38 , m_callStack(callStack) |
| 39 { |
| 40 } |
| 41 |
| 42 friend class RejectedPromises; |
| 43 |
| 44 const ScriptValue m_promise; |
| 45 const ScriptValue m_exception; |
| 46 const String m_errorMessage; |
| 47 const String m_resourceName; |
| 48 const int m_scriptId; |
| 49 const int m_lineNumber; |
| 50 const int m_columnNumber; |
| 51 const RefPtrWillBeMember<ScriptCallStack> m_callStack; |
| 52 }; |
| 53 |
| 54 RejectedPromises::RejectedPromises() |
| 55 { |
| 56 } |
| 57 |
| 58 DEFINE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(RejectedPromises); |
| 59 |
| 60 void RejectedPromises::trace(Visitor* visitor) |
| 61 { |
| 62 visitor->trace(m_queue); |
| 63 } |
| 64 |
| 65 void RejectedPromises::add(ScriptState* scriptState, v8::PromiseRejectMessage da
ta, const String& errorMessage, const String& resourceName, int scriptId, int li
neNumber, int columnNumber, PassRefPtrWillBeRawPtr<ScriptCallStack> callStack) |
| 66 { |
| 67 v8::Handle<v8::Promise> promise = data.GetPromise(); |
| 68 OwnPtrWillBeRawPtr<Message> message = Message::create(ScriptValue(scriptStat
e, promise), ScriptValue(scriptState, data.GetValue()), errorMessage, resourceNa
me, scriptId, lineNumber, columnNumber, callStack); |
| 69 |
| 70 m_queue.append(message.release()); |
| 71 } |
| 72 |
| 73 void RejectedPromises::dispose() |
| 74 { |
| 75 processQueue(); |
| 76 } |
| 77 |
| 78 void RejectedPromises::processQueue() |
| 79 { |
| 80 while (!m_queue.isEmpty()) { |
| 81 OwnPtrWillBeRawPtr<Message> message = m_queue.takeFirst(); |
| 82 ScriptState* scriptState = message->m_promise.scriptState(); |
| 83 if (!scriptState->contextIsValid()) |
| 84 continue; |
| 85 // If execution termination has been triggered, quietly bail out. |
| 86 if (v8::V8::IsExecutionTerminating(scriptState->isolate())) |
| 87 continue; |
| 88 ExecutionContext* executionContext = scriptState->executionContext(); |
| 89 if (!executionContext) |
| 90 continue; |
| 91 |
| 92 ScriptState::Scope scope(scriptState); |
| 93 |
| 94 ASSERT(!message->m_promise.isEmpty()); |
| 95 v8::Handle<v8::Value> value = message->m_promise.v8Value(); |
| 96 ASSERT(!value.IsEmpty() && value->IsPromise()); |
| 97 if (v8::Handle<v8::Promise>::Cast(value)->HasHandler()) |
| 98 continue; |
| 99 |
| 100 const String errorMessage = "Uncaught (in promise)"; |
| 101 Vector<ScriptValue> args; |
| 102 args.append(ScriptValue(scriptState, v8String(scriptState->isolate(), er
rorMessage))); |
| 103 args.append(message->m_exception); |
| 104 RefPtrWillBeRawPtr<ScriptArguments> arguments = ScriptArguments::create(
scriptState, args); |
| 105 |
| 106 String embedderErrorMessage = message->m_errorMessage; |
| 107 if (embedderErrorMessage.isEmpty()) |
| 108 embedderErrorMessage = errorMessage; |
| 109 else if (embedderErrorMessage.startsWith("Uncaught ")) |
| 110 embedderErrorMessage.insert(" (in promise)", 8); |
| 111 |
| 112 RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::crea
te(JSMessageSource, ErrorMessageLevel, embedderErrorMessage, message->m_resource
Name, message->m_lineNumber, message->m_columnNumber); |
| 113 consoleMessage->setScriptArguments(arguments); |
| 114 consoleMessage->setCallStack(message->m_callStack); |
| 115 consoleMessage->setScriptId(message->m_scriptId); |
| 116 executionContext->addConsoleMessage(consoleMessage.release()); |
| 117 } |
| 118 } |
| 119 |
| 120 } // namespace blink |
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