| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef GIN_V8_INITIALIZER_H_ |
| #define GIN_V8_INITIALIZER_H_ |
| |
| #include<stdint.h> |
| |
| #include"base/files/file.h" |
| #include"base/files/memory_mapped_file.h" |
| #include"build/build_config.h" |
| #include"gin/array_buffer.h" |
| #include"gin/gin_export.h" |
| #include"gin/public/isolate_holder.h" |
| #include"gin/public/v8_platform.h" |
| #include"v8/include/v8-callbacks.h" |
| |
| #if defined(V8_USE_EXTERNAL_STARTUP_DATA) |
| #include"gin/public/v8_snapshot_file_type.h" |
| #endif |
| |
| namespace v8{ |
| classStartupData; |
| } |
| |
| namespace gin{ |
| |
| class GIN_EXPORT V8Initializer{ |
| public: |
| // This should be called by IsolateHolder::Initialize(). |
| staticvoidInitialize(IsolateHolder::ScriptMode mode, |
| const std::string& js_command_line_flags, |
| bool disallow_v8_feature_flag_overrides, |
| v8::OOMErrorCallback oom_error_callback); |
| |
| // Get address and size information for currently loaded snapshot. |
| // If no snapshot is loaded, the return values are null for addresses |
| // and 0 for sizes. |
| staticvoidGetV8ExternalSnapshotData(v8::StartupData* snapshot); |
| staticvoidGetV8ExternalSnapshotData(constchar** snapshot_data_out, |
| int* snapshot_size_out); |
| |
| #if defined(V8_USE_EXTERNAL_STARTUP_DATA) |
| // Load V8 snapshot from default resources, if they are available. |
| staticvoidLoadV8Snapshot( |
| V8SnapshotFileType snapshot_file_type= V8SnapshotFileType::kDefault); |
| |
| // Load V8 snapshot from user provided file. |
| // The region argument, if non-zero, specifies the portions |
| // of the files to be mapped. Since the VM can boot with or without |
| // the snapshot, this function does not return a status. |
| staticvoidLoadV8SnapshotFromFile( |
| base::File snapshot_file, |
| base::MemoryMappedFile::Region* snapshot_file_region, |
| V8SnapshotFileType snapshot_file_type); |
| |
| #if BUILDFLAG(IS_ANDROID) |
| staticbase::FilePathGetSnapshotFilePath( |
| bool abi_32_bit, |
| V8SnapshotFileType snapshot_file_type); |
| #endif |
| |
| #endif// V8_USE_EXTERNAL_STARTUP_DATA |
| |
| }; |
| |
| }// namespace gin |
| |
| #endif// GIN_V8_INITIALIZER_H_ |
