| // Copyright 2006-2008 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/isolate.h" |
| |
| #ifndef V8_SNAPSHOT_H_ |
| #define V8_SNAPSHOT_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| class Snapshot { |
| public: |
| // Initialize the Isolate from the internal snapshot. Returns false if no |
| // snapshot could be found. |
| static bool Initialize(Isolate* isolate); |
| |
| static bool HaveASnapshotToStartFrom(); |
| |
| // Create a new context using the internal partial snapshot. |
| static Handle<Context> NewContextFromSnapshot(Isolate* isolate); |
| |
| // These methods support COMPRESS_STARTUP_DATA_BZ2. |
| static const byte* data() { return data_; } |
| static int size() { return size_; } |
| static int raw_size() { return raw_size_; } |
| static void set_raw_data(const byte* raw_data) { |
| raw_data_ = raw_data; |
| } |
| static const byte* context_data() { return context_data_; } |
| static int context_size() { return context_size_; } |
| static int context_raw_size() { return context_raw_size_; } |
| static void set_context_raw_data( |
| const byte* context_raw_data) { |
| context_raw_data_ = context_raw_data; |
| } |
| |
| private: |
| static const byte data_[]; |
| static const byte* raw_data_; |
| static const byte context_data_[]; |
| static const byte* context_raw_data_; |
| static const int new_space_used_; |
| static const int pointer_space_used_; |
| static const int data_space_used_; |
| static const int code_space_used_; |
| static const int map_space_used_; |
| static const int cell_space_used_; |
| static const int property_cell_space_used_; |
| static const int lo_space_used_; |
| static const int context_new_space_used_; |
| static const int context_pointer_space_used_; |
| static const int context_data_space_used_; |
| static const int context_code_space_used_; |
| static const int context_map_space_used_; |
| static const int context_cell_space_used_; |
| static const int context_property_cell_space_used_; |
| static const int context_lo_space_used_; |
| static const int size_; |
| static const int raw_size_; |
| static const int context_size_; |
| static const int context_raw_size_; |
| |
| static void ReserveSpaceForLinkedInSnapshot(Deserializer* deserializer); |
| |
| DISALLOW_IMPLICIT_CONSTRUCTORS(Snapshot); |
| }; |
| |
| #ifdef V8_USE_EXTERNAL_STARTUP_DATA |
| void SetSnapshotFromFile(StartupData* snapshot_blob); |
| #endif |
| |
| } } // namespace v8::internal |
| |
| #endif // V8_SNAPSHOT_H_ |