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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/snapshot/natives.h" | 5 #include "src/snapshot/natives.h" |
6 | 6 |
7 #include "src/base/logging.h" | 7 #include "src/base/logging.h" |
8 #include "src/list.h" | 8 #include "src/list.h" |
9 #include "src/list-inl.h" | 9 #include "src/list-inl.h" |
10 #include "src/snapshot/snapshot-source-sink.h" | 10 #include "src/snapshot/snapshot-source-sink.h" |
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152 | 152 |
153 /** | 153 /** |
154 * Read the Natives blob, as previously set by SetNativesFromFile. | 154 * Read the Natives blob, as previously set by SetNativesFromFile. |
155 */ | 155 */ |
156 void ReadNatives() { | 156 void ReadNatives() { |
157 if (natives_blob_ && NativesHolder<CORE>::empty()) { | 157 if (natives_blob_ && NativesHolder<CORE>::empty()) { |
158 SnapshotByteSource bytes(natives_blob_->data, natives_blob_->raw_size); | 158 SnapshotByteSource bytes(natives_blob_->data, natives_blob_->raw_size); |
159 NativesHolder<CORE>::set(NativesStore::MakeFromScriptsSource(&bytes)); | 159 NativesHolder<CORE>::set(NativesStore::MakeFromScriptsSource(&bytes)); |
160 NativesHolder<EXPERIMENTAL>::set( | 160 NativesHolder<EXPERIMENTAL>::set( |
161 NativesStore::MakeFromScriptsSource(&bytes)); | 161 NativesStore::MakeFromScriptsSource(&bytes)); |
162 NativesHolder<EXTRAS>::set(NativesStore::MakeFromScriptsSource(&bytes)); | |
163 DCHECK(!bytes.HasMore()); | 162 DCHECK(!bytes.HasMore()); |
164 } | 163 } |
165 } | 164 } |
166 | 165 |
167 | 166 |
168 /** | 167 /** |
169 * Set the Natives (library sources) blob, as generated by js2c + the build | 168 * Set the Natives (library sources) blob, as generated by js2c + the build |
170 * system. | 169 * system. |
171 */ | 170 */ |
172 void SetNativesFromFile(StartupData* natives_blob) { | 171 void SetNativesFromFile(StartupData* natives_blob) { |
173 DCHECK(!natives_blob_); | 172 DCHECK(!natives_blob_); |
174 DCHECK(natives_blob); | 173 DCHECK(natives_blob); |
175 DCHECK(natives_blob->data); | 174 DCHECK(natives_blob->data); |
176 DCHECK(natives_blob->raw_size > 0); | 175 DCHECK(natives_blob->raw_size > 0); |
177 | 176 |
178 natives_blob_ = natives_blob; | 177 natives_blob_ = natives_blob; |
179 ReadNatives(); | 178 ReadNatives(); |
180 } | 179 } |
181 | 180 |
182 | 181 |
183 /** | 182 /** |
184 * Release memory allocated by SetNativesFromFile. | 183 * Release memory allocated by SetNativesFromFile. |
185 */ | 184 */ |
186 void DisposeNatives() { | 185 void DisposeNatives() { |
187 NativesHolder<CORE>::Dispose(); | 186 NativesHolder<CORE>::Dispose(); |
188 NativesHolder<EXPERIMENTAL>::Dispose(); | 187 NativesHolder<EXPERIMENTAL>::Dispose(); |
189 NativesHolder<EXTRAS>::Dispose(); | |
190 } | 188 } |
191 | 189 |
192 | 190 |
193 // Implement NativesCollection<T> bsaed on NativesHolder + NativesStore. | 191 // Implement NativesCollection<T> bsaed on NativesHolder + NativesStore. |
194 // | 192 // |
195 // (The callers expect a purely static interface, since this is how the | 193 // (The callers expect a purely static interface, since this is how the |
196 // natives are usually compiled in. Since we implement them based on | 194 // natives are usually compiled in. Since we implement them based on |
197 // runtime content, we have to implement this indirection to offer | 195 // runtime content, we have to implement this indirection to offer |
198 // a static interface.) | 196 // a static interface.) |
199 template<NativeType type> | 197 template<NativeType type> |
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224 template <NativeType type> | 222 template <NativeType type> |
225 Vector<const char> NativesCollection<type>::GetScriptsSource() { | 223 Vector<const char> NativesCollection<type>::GetScriptsSource() { |
226 return NativesHolder<type>::get()->GetScriptsSource(); | 224 return NativesHolder<type>::get()->GetScriptsSource(); |
227 } | 225 } |
228 | 226 |
229 | 227 |
230 // The compiler can't 'see' all uses of the static methods and hence | 228 // The compiler can't 'see' all uses of the static methods and hence |
231 // my choice to elide them. This we'll explicitly instantiate these. | 229 // my choice to elide them. This we'll explicitly instantiate these. |
232 template class NativesCollection<CORE>; | 230 template class NativesCollection<CORE>; |
233 template class NativesCollection<EXPERIMENTAL>; | 231 template class NativesCollection<EXPERIMENTAL>; |
234 template class NativesCollection<EXTRAS>; | |
235 | 232 |
236 } // namespace v8::internal | 233 } // namespace v8::internal |
237 } // namespace v8 | 234 } // namespace v8 |
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