 
   step: (type, count) ->
     logger.info 'shim', 'step ' + type
+    switch type
+      when 'pause'
+        # TODO : support more than one isolate
+        @s.send '{"jsonrpc": "2.0","method": "pause","params":{"isolateId":"'+@iso[0].id+'"},"id": "pause"}'
 
   continue: ->
     logger.info 'shim', 'continue'
-    @s.send 'reqContinue'
+    # TODO : support more than one isolate
+    @s.send '{"jsonrpc": "2.0","method": "resume","params":{"isolateId":"'+@iso[0].id+'"},"id": "resume"}'
 
   getScriptById: (id) ->
     logger.info 'shim', 'getScriptById'

    @s.close()

  getVM: -> return @vm
  getIsolates: -> return [@iso] # TODO support more than one isolate

  req: (cmd) ->
    logger.info 'shim', 'req -> ' + cmd

  reqLookup: (req) ->
    logger.info 'shim', 'reqLookup'

      logger.info 'shim', 'ws::onmessage'
      json = JSON.parse(event.data)
      if (json.id == 'streamlisten')
        console.log(json)
        logger.info 'shim', event.data
      else if (json.id == 'getvm')
        console.log(json)
        @vm = json
        @iso = json.result.isolates
        @emit 'ready'
      else if (json.id == 'getiso')
        @iso = json
