src/node_main_instance.h - main - githubmirror/node

src/node_main_instance.h
67 строк2 KB
Anna Henningsen
src: allow snapshotting from the embedder API
03 фев 2023, 23:48
03 фев 2023, 23:48bfadee5
#ifndef SRC_NODE_MAIN_INSTANCE_H_
#define SRC_NODE_MAIN_INSTANCE_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include <cstddef>
#include <memory>

#include "node.h"
#include "node_exit_code.h"
#include "util.h"
#include "uv.h"
#include "v8.h"

namespace node {

class ExternalReferenceRegistry;
struct EnvSerializeInfo;
struct SnapshotData;

// TODO(joyeecheung): align this with the Worker/WorkerThreadData class.
// We may be able to create an abstract class to reuse some of the routines.
class NodeMainInstance {
 public:
  // Create a main instance that owns the isolate
  NodeMainInstance(const SnapshotData* snapshot_data,
                   uv_loop_t* event_loop,
                   MultiIsolatePlatform* platform,
                   const std::vector<std::string>& args,
                   const std::vector<std::string>& exec_args);
  ~NodeMainInstance();

  // Start running the Node.js instances, return the exit code when finished.
  ExitCode Run();
  void Run(ExitCode* exit_code, Environment* env);

  IsolateData* isolate_data() { return isolate_data_.get(); }

  DeleteFnPtr<Environment, FreeEnvironment> CreateMainEnvironment(
      ExitCode* exit_code);

  NodeMainInstance(const NodeMainInstance&) = delete;
  NodeMainInstance& operator=(const NodeMainInstance&) = delete;
  NodeMainInstance(NodeMainInstance&&) = delete;
  NodeMainInstance& operator=(NodeMainInstance&&) = delete;

 private:
  NodeMainInstance(v8::Isolate* isolate,
                   uv_loop_t* event_loop,
                   MultiIsolatePlatform* platform,
                   const std::vector<std::string>& args,
                   const std::vector<std::string>& exec_args);

  std::vector<std::string> args_;
  std::vector<std::string> exec_args_;
  std::unique_ptr<ArrayBufferAllocator> array_buffer_allocator_;
  v8::Isolate* isolate_;
  MultiIsolatePlatform* platform_;
  std::unique_ptr<IsolateData> isolate_data_;
  std::unique_ptr<v8::Isolate::CreateParams> isolate_params_;
  const SnapshotData* snapshot_data_ = nullptr;
};

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif  // SRC_NODE_MAIN_INSTANCE_H_