Class VirtualMachine

web/src/runtime.ts:781–819

 *  of underlying module functions
 */
export class VirtualMachine implements Disposable {
  private mod: Module;
  /**
   * Constructor
   * @param mod The underlying module, need to be detached.
   * @param device The main device ro run VM on.
   */
  constructor(mod: Module, device: DLDevice) {
    this.mod = mod;
    this.mod.getFunction("vm_initialization")(
      new Scalar(device.deviceType, "int"),
      new Scalar(device.deviceId, "int"),
      new Scalar(VMAllocatorKind.POOLED_ALLOCATOR, "int"),
      // explicitly specify host device type
      new Scalar(DeviceStrToEnum.cpu, "int"),
      new Scalar(0, "int"),
      new Scalar(VMAllocatorKind.POOLED_ALLOCATOR, "int"),
    );
  }

  dispose(): void {
    this.mod.dispose();
  }
  /**
   * Get a function in the VM module.
   * @param name The name of the function.
   * @returns The result function.
   */
  getFunction(name: string): PackedFunc {
    return this.mod.getFunction(name);
  }

  /**
   * Get the internal module.
   */
  getInternalModule(): Module {
    return this.mod;
  }
}

/** Code used as the first argument of the async callback. */
enum AsyncCallbackCode {