Wrap the terminal API in vimscript layer

autoload/vimspector/internal/term.vim

@@ -0,0 +1,37 @@
+" vimspector - A multi-language debugging system for Vim
+" Copyright 2018 Ben Jackson
+"
+" Licensed under the Apache License, Version 2.0 (the "License");
+" you may not use this file except in compliance with the License.
+" You may obtain a copy of the License at
+"
+"   http://www.apache.org/licenses/LICENSE-2.0
+"
+" Unless required by applicable law or agreed to in writing, software
+" distributed under the License is distributed on an "AS IS" BASIS,
+" WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+" See the License for the specific language governing permissions and
+" limitations under the License.
+
+
+" Boilerplate {{{
+let s:save_cpo = &cpoptions
+set cpoptions&vim
+" }}}
+
+function! vimspector#internal#term#Start( cmd, opts ) abort
+  return term_start( a:cmd, a:opts )
+endfunction
+
+function! vimspector#internal#term#IsFinished( bufno ) abort
+  return index( split( term_getstatus( a:bufno ), ',' ), 'finished' ) >= 0
+endfunction
+
+function! vimspector#internal#term#GetPID( bufno ) abort
+  return job_info( term_getjob( a:bufno ) ).process
+endfunction
+
+" Boilerplate {{{
+let &cpoptions=s:save_cpo
+unlet s:save_cpo
+" }}}

python3/vimspector/code.py

@@ -214,7 +214,7 @@ class CodeView( object ):
     if self._terminal_window is not None:
       assert self._terminal_buffer_number
       if ( self._terminal_window.buffer.number == self._terminal_buffer_number
-           and 'finished' in vim.eval( 'term_getstatus( {} )'.format(
+           and int( utils.Call( 'vimspector#internal#term#IsFinished',
                                 self._terminal_buffer_number ) ) ):
         window_for_start = self._terminal_window
         options[ 'curwin' ] = 1
@@ -224,13 +224,9 @@ class CodeView( object ):
     with utils.TemporaryVimOptions( { 'splitright': True,
                                       'equalalways': False } ):
       with utils.LetCurrentWindow( window_for_start ):
-        # TODO/FIXME: Do something about closing this when we reset ?
+        buffer_number = int( utils.Call( 'vimspector#internal#term#Start',
-        vim_cmd =  'term_start( {}, {} )'.format( json.dumps( args ),
+                                         args,
-                                                  json.dumps( options ) )
+                                         options ) )
-
-        self._logger.debug( 'Start terminal: {}'.format( vim_cmd ) )
-
-        buffer_number = int( vim.eval( vim_cmd ) )
         terminal_window = vim.current.window
 
     if buffer_number is None or buffer_number <= 0:

python3/vimspector/debug_session.py

@@ -798,8 +798,8 @@ class DebugSession( object ):
     buffer_number = self._codeView.LaunchTerminal( params )
 
     response = {
-      'processId': vim.eval( 'job_info( term_getjob( {} ) )'
+      'processId': int( utils.Call( 'vimspector#internal#term#GetPID',
-                             '.process'.format( buffer_number ) )
+                                    buffer_number ) )
     }
 
     self._connection.DoResponse( message, None, response )

python3/vimspector/utils.py

@@ -455,11 +455,13 @@ def ToUnicode( b ):
 def Call( vimscript_function, *args ):
   call = vimscript_function + '('
   for index, arg in enumerate( args ):
+    if index > 0:
+      call += ', '
+
     arg_name = 'vimspector_internal_arg_{}'.format( index )
     vim.vars[ arg_name ] = arg
     call += 'g:' + arg_name
-    if index:
-      call += ','
 
   call += ')'
-  vim.eval( call )
+  _logger.debug( 'Calling: {}'.format( call ) )
+  return vim.eval( call )