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| 1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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| 58 if (str->IsUtf8EqualTo(name)) { | 58 if (str->IsUtf8EqualTo(name)) { |
| 59 *handle = Handle<SharedFunctionInfo>( | 59 *handle = Handle<SharedFunctionInfo>( |
| 60 SharedFunctionInfo::cast(cache_->get(i + 1))); | 60 SharedFunctionInfo::cast(cache_->get(i + 1))); |
| 61 return true; | 61 return true; |
| 62 } | 62 } |
| 63 } | 63 } |
| 64 return false; | 64 return false; |
| 65 } | 65 } |
| 66 | 66 |
| 67 void Add(Vector<const char> name, Handle<SharedFunctionInfo> shared) { | 67 void Add(Vector<const char> name, Handle<SharedFunctionInfo> shared) { |
| 68 HandleScope scope; | 68 HandleScope scope(shared->GetIsolate()); |
| 69 int length = cache_->length(); | 69 int length = cache_->length(); |
| 70 Handle<FixedArray> new_array = | 70 Handle<FixedArray> new_array = |
| 71 FACTORY->NewFixedArray(length + 2, TENURED); | 71 FACTORY->NewFixedArray(length + 2, TENURED); |
| 72 cache_->CopyTo(0, *new_array, 0, cache_->length()); | 72 cache_->CopyTo(0, *new_array, 0, cache_->length()); |
| 73 cache_ = *new_array; | 73 cache_ = *new_array; |
| 74 Handle<String> str = FACTORY->NewStringFromAscii(name, TENURED); | 74 Handle<String> str = FACTORY->NewStringFromAscii(name, TENURED); |
| 75 cache_->set(length, *str); | 75 cache_->set(length, *str); |
| 76 cache_->set(length + 1, *shared); | 76 cache_->set(length + 1, *shared); |
| 77 Script::cast(shared->script())->set_type(Smi::FromInt(type_)); | 77 Script::cast(shared->script())->set_type(Smi::FromInt(type_)); |
| 78 } | 78 } |
| 79 | 79 |
| 80 private: | 80 private: |
| 81 Script::Type type_; | 81 Script::Type type_; |
| 82 FixedArray* cache_; | 82 FixedArray* cache_; |
| 83 DISALLOW_COPY_AND_ASSIGN(SourceCodeCache); | 83 DISALLOW_COPY_AND_ASSIGN(SourceCodeCache); |
| 84 }; | 84 }; |
| 85 | 85 |
| 86 | 86 |
| 87 // The Boostrapper is the public interface for creating a JavaScript global | 87 // The Boostrapper is the public interface for creating a JavaScript global |
| 88 // context. | 88 // context. |
| 89 class Bootstrapper { | 89 class Bootstrapper { |
| 90 public: | 90 public: |
| 91 // Requires: Heap::SetUp has been called. | 91 // Requires: Heap::SetUp has been called. |
| 92 void Initialize(bool create_heap_objects); | 92 void Initialize(bool create_heap_objects); |
| 93 void TearDown(); | 93 void TearDown(); |
| 94 | 94 |
| 95 // Creates a JavaScript Global Context with initial object graph. | 95 // Creates a JavaScript Global Context with initial object graph. |
| 96 // The returned value is a global handle casted to V8Environment*. | 96 // The returned value is a global handle casted to V8Environment*. |
| 97 Handle<Context> CreateEnvironment( | 97 Handle<Context> CreateEnvironment( |
| 98 Isolate* isolate, | |
| 99 Handle<Object> global_object, | 98 Handle<Object> global_object, |
| 100 v8::Handle<v8::ObjectTemplate> global_template, | 99 v8::Handle<v8::ObjectTemplate> global_template, |
| 101 v8::ExtensionConfiguration* extensions); | 100 v8::ExtensionConfiguration* extensions); |
| 102 | 101 |
| 103 // Detach the environment from its outer global object. | 102 // Detach the environment from its outer global object. |
| 104 void DetachGlobal(Handle<Context> env); | 103 void DetachGlobal(Handle<Context> env); |
| 105 | 104 |
| 106 // Reattach an outer global object to an environment. | 105 // Reattach an outer global object to an environment. |
| 107 void ReattachGlobal(Handle<Context> env, Handle<JSGlobalProxy> global_proxy); | 106 void ReattachGlobal(Handle<Context> env, Handle<JSGlobalProxy> global_proxy); |
| 108 | 107 |
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| 125 // It should only be used for strictly finite allocations. | 124 // It should only be used for strictly finite allocations. |
| 126 char* AllocateAutoDeletedArray(int bytes); | 125 char* AllocateAutoDeletedArray(int bytes); |
| 127 | 126 |
| 128 // Used for new context creation. | 127 // Used for new context creation. |
| 129 bool InstallExtensions(Handle<Context> native_context, | 128 bool InstallExtensions(Handle<Context> native_context, |
| 130 v8::ExtensionConfiguration* extensions); | 129 v8::ExtensionConfiguration* extensions); |
| 131 | 130 |
| 132 SourceCodeCache* extensions_cache() { return &extensions_cache_; } | 131 SourceCodeCache* extensions_cache() { return &extensions_cache_; } |
| 133 | 132 |
| 134 private: | 133 private: |
| 134 Isolate* isolate_; |
| 135 typedef int NestingCounterType; | 135 typedef int NestingCounterType; |
| 136 NestingCounterType nesting_; | 136 NestingCounterType nesting_; |
| 137 SourceCodeCache extensions_cache_; | 137 SourceCodeCache extensions_cache_; |
| 138 // This is for delete, not delete[]. | 138 // This is for delete, not delete[]. |
| 139 List<char*>* delete_these_non_arrays_on_tear_down_; | 139 List<char*>* delete_these_non_arrays_on_tear_down_; |
| 140 // This is for delete[] | 140 // This is for delete[] |
| 141 List<char*>* delete_these_arrays_on_tear_down_; | 141 List<char*>* delete_these_arrays_on_tear_down_; |
| 142 | 142 |
| 143 friend class BootstrapperActive; | 143 friend class BootstrapperActive; |
| 144 friend class Isolate; | 144 friend class Isolate; |
| 145 friend class NativesExternalStringResource; | 145 friend class NativesExternalStringResource; |
| 146 | 146 |
| 147 Bootstrapper(); | 147 explicit Bootstrapper(Isolate* isolate); |
| 148 | 148 |
| 149 DISALLOW_COPY_AND_ASSIGN(Bootstrapper); | 149 DISALLOW_COPY_AND_ASSIGN(Bootstrapper); |
| 150 }; | 150 }; |
| 151 | 151 |
| 152 | 152 |
| 153 class BootstrapperActive BASE_EMBEDDED { | 153 class BootstrapperActive BASE_EMBEDDED { |
| 154 public: | 154 public: |
| 155 BootstrapperActive() { | 155 explicit BootstrapperActive(Bootstrapper* bootstrapper) |
| 156 ++Isolate::Current()->bootstrapper()->nesting_; | 156 : bootstrapper_(bootstrapper) { |
| 157 ++bootstrapper_->nesting_; |
| 157 } | 158 } |
| 158 | 159 |
| 159 ~BootstrapperActive() { | 160 ~BootstrapperActive() { |
| 160 --Isolate::Current()->bootstrapper()->nesting_; | 161 --bootstrapper_->nesting_; |
| 161 } | 162 } |
| 162 | 163 |
| 163 private: | 164 private: |
| 165 Bootstrapper* bootstrapper_; |
| 166 |
| 164 DISALLOW_COPY_AND_ASSIGN(BootstrapperActive); | 167 DISALLOW_COPY_AND_ASSIGN(BootstrapperActive); |
| 165 }; | 168 }; |
| 166 | 169 |
| 167 | 170 |
| 168 class NativesExternalStringResource | 171 class NativesExternalStringResource |
| 169 : public v8::String::ExternalAsciiStringResource { | 172 : public v8::String::ExternalAsciiStringResource { |
| 170 public: | 173 public: |
| 171 NativesExternalStringResource(Bootstrapper* bootstrapper, | 174 NativesExternalStringResource(Bootstrapper* bootstrapper, |
| 172 const char* source, | 175 const char* source, |
| 173 size_t length); | 176 size_t length); |
| 174 | 177 |
| 175 const char* data() const { | 178 const char* data() const { |
| 176 return data_; | 179 return data_; |
| 177 } | 180 } |
| 178 | 181 |
| 179 size_t length() const { | 182 size_t length() const { |
| 180 return length_; | 183 return length_; |
| 181 } | 184 } |
| 182 private: | 185 private: |
| 183 const char* data_; | 186 const char* data_; |
| 184 size_t length_; | 187 size_t length_; |
| 185 }; | 188 }; |
| 186 | 189 |
| 187 }} // namespace v8::internal | 190 }} // namespace v8::internal |
| 188 | 191 |
| 189 #endif // V8_BOOTSTRAPPER_H_ | 192 #endif // V8_BOOTSTRAPPER_H_ |
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