Do not send event after leave buffer.

python3/vimspector/code.py

@@ -134,6 +134,7 @@ class CodeView( object ):
     utils.JumpToWindow( self._window )
     try:
       utils.OpenFileInCurrentWindow( frame[ 'source' ][ 'path' ] )
+      vim.command( 'doautocmd <nomodeline> User VimspectorJumpedToFrame' )
     except vim.error:
       self._logger.exception( 'Unexpected vim error opening file {}'.format(
         frame[ 'source' ][ 'path' ] ) )

python3/vimspector/utils.py

@@ -76,14 +76,7 @@ def WindowForBuffer( buf ):
 def OpenFileInCurrentWindow( file_name ):
   buffer_number = BufferNumberForFile( file_name )
   try:
-    if "vimspectorStep" in vim.current.buffer.vars:
-      del vim.current.buffer.vars[ "vimspectorStep" ]
-      # @todo: what if the same buffer is still visited by another thread
-      vim.command( 'doautocmd <nomodeline> User VimspectorFrameLeavePre' )
-
     vim.current.buffer = vim.buffers[ buffer_number ]
-    vim.current.buffer.vars[ "vimspectorStep" ] = 1
-    vim.command( 'doautocmd <nomodeline> User VimspectorFrameEnter' )
   except vim.error as e:
     if 'E325' not in str( e ):
       raise

tests/ui.test.vim

@@ -410,16 +410,16 @@ function! Test_CustomWinBar()
   %bwipe!
 endfunction
 
-function! Test_VimspectorFrameEnter()
-  augroup TestVimspectorFrameEnter
+function! Test_VimspectorJumpedToFrame()
+  augroup TestVimspectorJumpedToFrame
     au!
-    au User VimspectorFrameEnter let b:vimspectorStepIsThere = 'foo'
+    au User VimspectorJumpedToFrame let b:vimspectorStepIsThere = 'foo'
   augroup END
 
   call s:StartDebugging()
   call assert_equal( 'foo', getbufvar(bufnr(), 'vimspectorStepIsThere', 0) )
 
-  au! TestVimspectorFrameEnter
+  au! TestVimspectorJumpedToFrame
   unlet b:vimspectorStepIsThere
   call vimspector#test#setup#Reset()
   %bwipe!