ecal/ecal-support/src/extension.ts

import * as vscode from 'vscode'
import { ProviderResult } from 'vscode'
import { ECALDebugSession } from './ecalDebugAdapter'

export function activate (context: vscode.ExtensionContext) {
  context.subscriptions.push(vscode.debug.registerDebugAdapterDescriptorFactory(
    'ecaldebug', new InlineDebugAdapterFactory()))
}

export function deactivate () {
}

class InlineDebugAdapterFactory implements vscode.DebugAdapterDescriptorFactory {
  createDebugAdapterDescriptor (_session: vscode.DebugSession): ProviderResult<vscode.DebugAdapterDescriptor> {
    // Declare the ECALDebugSession as an DebugAdapterInlineImplementation so extention and adapter can
    // run in-process (making it possible to easily debug the adapter)
    return new vscode.DebugAdapterInlineImplementation(new ECALDebugSession())
  }
}