Properly responsd to server reverse-request

python3/vimspector/code.py

@@ -73,7 +73,8 @@ class CodeView( object  ):
     except vim.error as e:
       if 'E325' not in str( e ):
         self._logger.exception(
-          'Unexpected error from vim: {0}'.format( str( e ) ) )
+          'Unexpected error from vim: loading buffer {}'.format(
+            buffer_number ) )
         return False
 
     self._signs[ 'vimspectorPC' ] = self._next_sign_id
@@ -184,6 +185,7 @@ class CodeView( object  ):
       'env': env,
     }
 
+    buffer_number = None
     with utils.TemporaryVimOptions( { 'splitright': True,
                                       'equalalways': False } ):
       with utils.RestoreCurrentWindow():
@@ -194,4 +196,10 @@ class CodeView( object  ):
 
         self._logger.debug( 'Start terminal: {}'.format( vim_cmd ) )
 
-        vim.eval( vim_cmd )
+        buffer_number = int( vim.eval( vim_cmd ) )
+
+    if buffer_number is None or buffer_number <= 0:
+      # TODO: Do something better like reject the request?
+      raise ValueError( "Unable to start terminal" )
+
+    return buffer_number

python3/vimspector/debug_adapter_connection.py

@@ -48,6 +48,24 @@ class DebugAdapterConnection( object ):
                                                             failure_handler )
     self._SendMessage( msg )
 
+  def DoResponse( self, request, error, response ):
+    this_id = self._next_message_id
+    self._next_message_id += 1
+
+    msg = {}
+    msg[ 'seq' ] = this_id
+    msg[ 'type' ] = 'response'
+    msg[ 'request_seq' ] = request[ 'seq' ]
+    msg[ 'command' ] = request[ 'command' ]
+    msg[ 'body' ] = response
+    if error:
+      msg[ 'success' ] = False
+      msg[ 'message' ] = error
+    else:
+      msg[ 'success' ] = True
+
+    self._SendMessage( msg )
+
   def Reset( self ):
     self._Write = None
     self._handler = None

python3/vimspector/debug_session.py

@@ -488,7 +488,15 @@ class DebugSession( object ):
   def OnRequest_runInTerminal( self, message ):
     params = message[ 'arguments' ]
 
-    self._codeView.LaunchTerminal( params )
+    buffer_number = self._codeView.LaunchTerminal( params )
+
+    response = {
+      'processId': vim.eval( 'job_info( term_getjob( {} ) )'
+                             '.process'.format( buffer_number ) )
+    }
+
+    self._connection.DoResponse( message, None, response )
+
 
   def Clear( self ):
     self._codeView.Clear()