Allow forcing selection from the menu with <leader>F5

autoload/vimspector.vim

@@ -41,11 +41,11 @@ function! s:Enabled() abort
   return s:enabled
 endfunction
 
-function! vimspector#Launch() abort
+function! vimspector#Launch( ... ) abort
   if !s:Enabled()
     return
   endif
-  py3 _vimspector_session.Start()
+  py3 _vimspector_session.Start( *vim.eval( 'a:000' ) )
 endfunction
 
 function! vimspector#LaunchWithSettings( settings ) abort

plugin/vimspector.vim

@@ -35,6 +35,8 @@ let s:mappings = get( g:, 'vimspector_enable_mappings', '' )
 
 nnoremap <silent> <Plug>VimspectorContinue
       \ :<c-u>call vimspector#Continue()<CR>
+nnoremap <silent> <Plug>VimspectorLaunch
+      \ :<c-u>call vimspector#Launch( v:true )<CR>
 nnoremap <silent> <Plug>VimspectorStop
       \ :<c-u>call vimspector#Stop()<CR>
 nnoremap <silent> <Plug>VimspectorRestart
@@ -79,6 +81,7 @@ if s:mappings ==# 'VISUAL_STUDIO'
   nmap <S-F11>      <Plug>VimspectorStepOut
 elseif s:mappings ==# 'HUMAN'
   nmap <F5>         <Plug>VimspectorContinue
+  nmap <leader><F5> <Plug>VimspectorLaunch
   nmap <F3>         <Plug>VimspectorStop
   nmap <F4>         <Plug>VimspectorRestart
   nmap <F6>         <Plug>VimspectorPause

python3/vimspector/debug_session.py

@@ -99,7 +99,7 @@ class DebugSession( object ):
 
     return launch_config_file, configurations
 
-  def Start( self, launch_variables = None ):
+  def Start( self, force_choose=False, launch_variables = None ):
     # We mutate launch_variables, so don't mutate the default argument.
     # https://docs.python-guide.org/writing/gotchas/#mutable-default-arguments
     if launch_variables is None:
@@ -134,6 +134,11 @@ class DebugSession( object ):
 
     if 'configuration' in launch_variables:
       configuration_name = launch_variables.pop( 'configuration' )
+    elif force_choose:
+      # Always display the menu
+      configuration_name = utils.SelectFromList(
+        'Which launch configuration?',
+        sorted( configurations.keys() ) )
     elif ( len( configurations ) == 1 and
            next( iter( configurations.values() ) ).get( "autoselect", True ) ):
       configuration_name = next( iter( configurations.keys() ) )