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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. | 
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without | 
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are | 
| 4 // met: | 4 // met: | 
| 5 // | 5 // | 
| 6 //     * Redistributions of source code must retain the above copyright | 6 //     * Redistributions of source code must retain the above copyright | 
| 7 //       notice, this list of conditions and the following disclaimer. | 7 //       notice, this list of conditions and the following disclaimer. | 
| 8 //     * Redistributions in binary form must reproduce the above | 8 //     * Redistributions in binary form must reproduce the above | 
| 9 //       copyright notice, this list of conditions and the following | 9 //       copyright notice, this list of conditions and the following | 
| 10 //       disclaimer in the documentation and/or other materials provided | 10 //       disclaimer in the documentation and/or other materials provided | 
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| 4092 | 4092 | 
| 4093     // Prevent copying of Scope objects. | 4093     // Prevent copying of Scope objects. | 
| 4094     Scope(const Scope&); | 4094     Scope(const Scope&); | 
| 4095     Scope& operator=(const Scope&); | 4095     Scope& operator=(const Scope&); | 
| 4096   }; | 4096   }; | 
| 4097 | 4097 | 
| 4098 | 4098 | 
| 4099   /** | 4099   /** | 
| 4100    * Assert that no Javascript code is invoked. | 4100    * Assert that no Javascript code is invoked. | 
| 4101    */ | 4101    */ | 
| 4102   class DisallowJavascriptExecutionScope { | 4102   class V8_EXPORT DisallowJavascriptExecutionScope { | 
| 4103    public: | 4103    public: | 
| 4104     enum OnFailure { CRASH_ON_FAILURE, THROW_ON_FAILURE }; | 4104     enum OnFailure { CRASH_ON_FAILURE, THROW_ON_FAILURE }; | 
| 4105 | 4105 | 
| 4106     DisallowJavascriptExecutionScope(Isolate* isolate, OnFailure on_failure); | 4106     DisallowJavascriptExecutionScope(Isolate* isolate, OnFailure on_failure); | 
| 4107     ~DisallowJavascriptExecutionScope(); | 4107     ~DisallowJavascriptExecutionScope(); | 
| 4108 | 4108 | 
| 4109    private: | 4109    private: | 
| 4110     bool on_failure_; | 4110     bool on_failure_; | 
| 4111     void* internal_; | 4111     void* internal_; | 
| 4112 | 4112 | 
| 4113     // Prevent copying of Scope objects. | 4113     // Prevent copying of Scope objects. | 
| 4114     DisallowJavascriptExecutionScope(const DisallowJavascriptExecutionScope&); | 4114     DisallowJavascriptExecutionScope(const DisallowJavascriptExecutionScope&); | 
| 4115     DisallowJavascriptExecutionScope& operator=( | 4115     DisallowJavascriptExecutionScope& operator=( | 
| 4116         const DisallowJavascriptExecutionScope&); | 4116         const DisallowJavascriptExecutionScope&); | 
| 4117   }; | 4117   }; | 
| 4118 | 4118 | 
| 4119 | 4119 | 
| 4120   /** | 4120   /** | 
| 4121    * Introduce exception to DisallowJavascriptExecutionScope. | 4121    * Introduce exception to DisallowJavascriptExecutionScope. | 
| 4122    */ | 4122    */ | 
| 4123   class AllowJavascriptExecutionScope { | 4123   class V8_EXPORT AllowJavascriptExecutionScope { | 
| 4124    public: | 4124    public: | 
| 4125     explicit AllowJavascriptExecutionScope(Isolate* isolate); | 4125     explicit AllowJavascriptExecutionScope(Isolate* isolate); | 
| 4126     ~AllowJavascriptExecutionScope(); | 4126     ~AllowJavascriptExecutionScope(); | 
| 4127 | 4127 | 
| 4128    private: | 4128    private: | 
| 4129     void* internal_throws_; | 4129     void* internal_throws_; | 
| 4130     void* internal_assert_; | 4130     void* internal_assert_; | 
| 4131 | 4131 | 
| 4132     // Prevent copying of Scope objects. | 4132     // Prevent copying of Scope objects. | 
| 4133     AllowJavascriptExecutionScope(const AllowJavascriptExecutionScope&); | 4133     AllowJavascriptExecutionScope(const AllowJavascriptExecutionScope&); | 
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| 6631  */ | 6631  */ | 
| 6632 | 6632 | 
| 6633 | 6633 | 
| 6634 }  // namespace v8 | 6634 }  // namespace v8 | 
| 6635 | 6635 | 
| 6636 | 6636 | 
| 6637 #undef TYPE_CHECK | 6637 #undef TYPE_CHECK | 
| 6638 | 6638 | 
| 6639 | 6639 | 
| 6640 #endif  // V8_H_ | 6640 #endif  // V8_H_ | 
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