Improving semicolon insertion at the end of the line

vim/plugin/settings/yadr-append-semicolon.vim

@@ -0,0 +1,13 @@
+" If there isn't one, append a semi colon to the end of the current line.
+function! s:appendSemiColon()
+  if getline('.') !~ ';$'
+    let original_cursor_position = getpos('.')
+    exec("s/$/;/")
+    call setpos('.', original_cursor_position)
+  endif
+endfunction
+
+" For programming languages using a semi colon at the end of statement.
+autocmd FileType c,cpp,css,java,javascript,perl,php,jade nmap <silent> ;; :call <SID>appendSemiColon()<CR>
+autocmd FileType c,cpp,css,java,javascript,perl,php,jade inoremap <silent> ;; <ESC>:call <SID>appendSemiColon()<CR>a
+