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| 1 /* | 1 /* |
| 2 * Copyright (C) 2009, 2012 Google Inc. All rights reserved. | 2 * Copyright (C) 2009, 2012 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 |
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| 42 #include <v8.h> | 42 #include <v8.h> |
| 43 | 43 |
| 44 namespace blink { | 44 namespace blink { |
| 45 | 45 |
| 46 class CachedMetadataHandler; | 46 class CachedMetadataHandler; |
| 47 class ErrorEvent; | 47 class ErrorEvent; |
| 48 class ExceptionState; | 48 class ExceptionState; |
| 49 class ScriptSourceCode; | 49 class ScriptSourceCode; |
| 50 class WorkerGlobalScope; | 50 class WorkerGlobalScope; |
| 51 | 51 |
| 52 class CORE_EXPORT WorkerScriptController { | 52 class CORE_EXPORT WorkerScriptController : public NoBaseWillBeGarbageCollectedFi
nalized<WorkerScriptController> { |
| 53 public: | 53 public: |
| 54 WorkerScriptController(WorkerGlobalScope&, v8::Isolate*); | 54 static PassOwnPtrWillBeRawPtr<WorkerScriptController> create(WorkerGlobalSco
pe*, v8::Isolate*); |
| 55 ~WorkerScriptController(); | 55 virtual ~WorkerScriptController(); |
| 56 void dispose(); |
| 56 | 57 |
| 57 bool isExecutionForbidden() const; | 58 bool isExecutionForbidden() const; |
| 58 bool isExecutionTerminating() const; | 59 bool isExecutionTerminating() const; |
| 59 | 60 |
| 60 // Returns true if the evaluation completed with no uncaught exception. | 61 // Returns true if the evaluation completed with no uncaught exception. |
| 61 bool evaluate(const ScriptSourceCode&, RefPtrWillBeRawPtr<ErrorEvent>* = nul
lptr, CachedMetadataHandler* = nullptr, V8CacheOptions = V8CacheOptionsDefault); | 62 bool evaluate(const ScriptSourceCode&, RefPtrWillBeRawPtr<ErrorEvent>* = nul
lptr, CachedMetadataHandler* = nullptr, V8CacheOptions = V8CacheOptionsDefault); |
| 62 | 63 |
| 63 // Prevents future JavaScript execution. See | 64 // Prevents future JavaScript execution. See |
| 64 // willScheduleExecutionTermination, isExecutionForbidden. | 65 // willScheduleExecutionTermination, isExecutionForbidden. |
| 65 void forbidExecution(); | 66 void forbidExecution(); |
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| 79 void disableEval(const String&); | 80 void disableEval(const String&); |
| 80 | 81 |
| 81 // Used by Inspector agents: | 82 // Used by Inspector agents: |
| 82 ScriptState* scriptState() { return m_scriptState.get(); } | 83 ScriptState* scriptState() { return m_scriptState.get(); } |
| 83 | 84 |
| 84 // Used by V8 bindings: | 85 // Used by V8 bindings: |
| 85 v8::Local<v8::Context> context() { return m_scriptState ? m_scriptState->con
text() : v8::Local<v8::Context>(); } | 86 v8::Local<v8::Context> context() { return m_scriptState ? m_scriptState->con
text() : v8::Local<v8::Context>(); } |
| 86 | 87 |
| 87 RejectedPromises* rejectedPromises() const { return m_rejectedPromises.get()
; } | 88 RejectedPromises* rejectedPromises() const { return m_rejectedPromises.get()
; } |
| 88 | 89 |
| 90 DECLARE_TRACE(); |
| 91 |
| 89 private: | 92 private: |
| 93 WorkerScriptController(WorkerGlobalScope*, v8::Isolate*); |
| 90 class WorkerGlobalScopeExecutionState; | 94 class WorkerGlobalScopeExecutionState; |
| 91 | 95 |
| 92 bool isContextInitialized() { return m_scriptState && !!m_scriptState->perCo
ntextData(); } | 96 bool isContextInitialized() { return m_scriptState && !!m_scriptState->perCo
ntextData(); } |
| 93 v8::Isolate* isolate() const; | 97 v8::Isolate* isolate() const; |
| 94 | 98 |
| 95 // Evaluate a script file in the current execution environment. | 99 // Evaluate a script file in the current execution environment. |
| 96 ScriptValue evaluate(const String& script, const String& fileName, const Tex
tPosition& scriptStartPosition, CachedMetadataHandler*, V8CacheOptions); | 100 ScriptValue evaluate(const String& script, const String& fileName, const Tex
tPosition& scriptStartPosition, CachedMetadataHandler*, V8CacheOptions); |
| 97 | 101 |
| 98 WorkerGlobalScope& m_workerGlobalScope; | 102 RawPtrWillBeMember<WorkerGlobalScope> m_workerGlobalScope; |
| 99 RefPtr<ScriptState> m_scriptState; | 103 RefPtr<ScriptState> m_scriptState; |
| 100 RefPtr<DOMWrapperWorld> m_world; | 104 RefPtr<DOMWrapperWorld> m_world; |
| 101 String m_disableEvalPending; | 105 String m_disableEvalPending; |
| 102 bool m_executionForbidden; | 106 bool m_executionForbidden; |
| 103 bool m_executionScheduledToTerminate; | 107 bool m_executionScheduledToTerminate; |
| 104 mutable Mutex m_scheduledTerminationMutex; | 108 mutable Mutex m_scheduledTerminationMutex; |
| 105 | 109 |
| 106 OwnPtrWillBePersistent<RejectedPromises> m_rejectedPromises; | 110 OwnPtrWillBeMember<RejectedPromises> m_rejectedPromises; |
| 107 | 111 |
| 108 // |m_globalScopeExecutionState| refers to a stack object | 112 // |m_globalScopeExecutionState| refers to a stack object |
| 109 // that evaluate() allocates; evaluate() ensuring that the | 113 // that evaluate() allocates; evaluate() ensuring that the |
| 110 // pointer reference to it is removed upon returning. Hence | 114 // pointer reference to it is removed upon returning. Hence |
| 111 // kept as a bare pointer here, and not a Persistent with | 115 // kept as a bare pointer here, and not a Persistent with |
| 112 // Oilpan enabled; stack scanning will visit the object and | 116 // Oilpan enabled; stack scanning will visit the object and |
| 113 // trace its on-heap fields. | 117 // trace its on-heap fields. |
| 114 GC_PLUGIN_IGNORE("394615") | 118 GC_PLUGIN_IGNORE("394615") |
| 115 WorkerGlobalScopeExecutionState* m_globalScopeExecutionState; | 119 WorkerGlobalScopeExecutionState* m_globalScopeExecutionState; |
| 116 }; | 120 }; |
| 117 | 121 |
| 118 } // namespace blink | 122 } // namespace blink |
| 119 | 123 |
| 120 #endif // WorkerScriptController_h | 124 #endif // WorkerScriptController_h |
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