| // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #ifndef RUNTIME_VM_DART_H_ |
| #define RUNTIME_VM_DART_H_ |
| |
| #include "include/dart_api.h" |
| #include "include/dart_tools_api.h" |
| #include "vm/allocation.h" |
| #include "vm/isolate.h" |
| #include "vm/lockers.h" |
| #include "vm/os_thread.h" |
| #include "vm/snapshot.h" |
| |
| namespace dart { |
| |
| // Forward declarations. |
| class DebugInfo; |
| class Isolate; |
| class LocalHandle; |
| class ReadOnlyHandles; |
| class ThreadPool; |
| namespace kernel { |
| class Program; |
| } |
| |
| class Dart : public AllStatic { |
| public: |
| // Returns null if initialization succeeds, otherwise returns an error message |
| // (caller owns error message and has to free it). |
| static char* Init(const Dart_InitializeParams* params); |
| |
| // Returns null if cleanup succeeds, otherwise returns an error message |
| // (caller owns error message and has to free it). |
| static char* Cleanup(); |
| |
| // Returns true if the VM is initialized. |
| static bool IsInitialized(); |
| |
| // Used to Indicate that a Dart API call is active. |
| static bool SetActiveApiCall(); |
| static void ResetActiveApiCall(); |
| |
| static Isolate* CreateIsolate(const char* name_prefix, |
| const Dart_IsolateFlags& api_flags, |
| IsolateGroup* isolate_group); |
| |
| // Initialize an isolate, either from a snapshot, from a Kernel binary, or |
| // from SDK library sources. If the snapshot_buffer is non-NULL, |
| // initialize from a snapshot or a Kernel binary depending on the value of |
| // from_kernel. Otherwise, initialize from sources. |
| static ErrorPtr InitializeIsolate(const uint8_t* snapshot_data, |
| const uint8_t* snapshot_instructions, |
| const uint8_t* kernel_buffer, |
| intptr_t kernel_buffer_size, |
| IsolateGroup* source_isolate_group, |
| void* data); |
| static ErrorPtr InitIsolateFromSnapshot(Thread* T, |
| Isolate* I, |
| const uint8_t* snapshot_data, |
| const uint8_t* snapshot_instructions, |
| const uint8_t* kernel_buffer, |
| intptr_t kernel_buffer_size); |
| |
| static bool DetectNullSafety(const char* script_uri, |
| const uint8_t* snapshot_data, |
| const uint8_t* snapshot_instructions, |
| const uint8_t* kernel_buffer, |
| intptr_t kernel_buffer_size, |
| const char* package_config, |
| const char* original_working_directory); |
| |
| static void RunShutdownCallback(); |
| static void ShutdownIsolate(Isolate* isolate); |
| static void ShutdownIsolate(); |
| |
| static Isolate* vm_isolate() { return vm_isolate_; } |
| static IsolateGroup* vm_isolate_group() { return vm_isolate_->group(); } |
| static ThreadPool* thread_pool() { return thread_pool_; } |
| static bool VmIsolateNameEquals(const char* name); |
| |
| static int64_t UptimeMicros(); |
| static int64_t UptimeMillis() { |
| return UptimeMicros() / kMicrosecondsPerMillisecond; |
| } |
| |
| static void set_pprof_symbol_generator(DebugInfo* value) { |
| pprof_symbol_generator_ = value; |
| } |
| static DebugInfo* pprof_symbol_generator() { return pprof_symbol_generator_; } |
| |
| static LocalHandle* AllocateReadOnlyApiHandle(); |
| static bool IsReadOnlyApiHandle(Dart_Handle handle); |
| |
| static uword AllocateReadOnlyHandle(); |
| static bool IsReadOnlyHandle(uword address); |
| |
| // The returned string has to be free()ed. |
| static char* FeaturesString(IsolateGroup* isolate_group, |
| bool is_vm_snapshot, |
| Snapshot::Kind kind); |
| static Snapshot::Kind vm_snapshot_kind() { return vm_snapshot_kind_; } |
| |
| static Dart_ThreadStartCallback thread_start_callback() { |
| return thread_start_callback_; |
| } |
| static void set_thread_start_callback(Dart_ThreadStartCallback cback) { |
| thread_start_callback_ = cback; |
| } |
| static Dart_ThreadExitCallback thread_exit_callback() { |
| return thread_exit_callback_; |
| } |
| static void set_thread_exit_callback(Dart_ThreadExitCallback cback) { |
| thread_exit_callback_ = cback; |
| } |
| static void SetFileCallbacks(Dart_FileOpenCallback file_open, |
| Dart_FileReadCallback file_read, |
| Dart_FileWriteCallback file_write, |
| Dart_FileCloseCallback file_close) { |
| file_open_callback_ = file_open; |
| file_read_callback_ = file_read; |
| file_write_callback_ = file_write; |
| file_close_callback_ = file_close; |
| } |
| |
| static Dart_FileOpenCallback file_open_callback() { |
| return file_open_callback_; |
| } |
| static Dart_FileReadCallback file_read_callback() { |
| return file_read_callback_; |
| } |
| static Dart_FileWriteCallback file_write_callback() { |
| return file_write_callback_; |
| } |
| static Dart_FileCloseCallback file_close_callback() { |
| return file_close_callback_; |
| } |
| |
| static void set_entropy_source_callback(Dart_EntropySource entropy_source) { |
| entropy_source_callback_ = entropy_source; |
| } |
| static Dart_EntropySource entropy_source_callback() { |
| return entropy_source_callback_; |
| } |
| |
| static void set_gc_event_callback(Dart_GCEventCallback gc_event) { |
| gc_event_callback_ = gc_event; |
| } |
| static Dart_GCEventCallback gc_event_callback() { return gc_event_callback_; } |
| |
| private: |
| static char* DartInit(const Dart_InitializeParams* params); |
| |
| static constexpr const char* kVmIsolateName = "vm-isolate"; |
| |
| static void WaitForIsolateShutdown(); |
| static void WaitForApplicationIsolateShutdown(); |
| |
| static Isolate* vm_isolate_; |
| static int64_t start_time_micros_; |
| static ThreadPool* thread_pool_; |
| static DebugInfo* pprof_symbol_generator_; |
| static ReadOnlyHandles* predefined_handles_; |
| static Snapshot::Kind vm_snapshot_kind_; |
| static Dart_ThreadStartCallback thread_start_callback_; |
| static Dart_ThreadExitCallback thread_exit_callback_; |
| static Dart_FileOpenCallback file_open_callback_; |
| static Dart_FileReadCallback file_read_callback_; |
| static Dart_FileWriteCallback file_write_callback_; |
| static Dart_FileCloseCallback file_close_callback_; |
| static Dart_EntropySource entropy_source_callback_; |
| static Dart_GCEventCallback gc_event_callback_; |
| }; |
| |
| } // namespace dart |
| |
| #endif // RUNTIME_VM_DART_H_ |