puke

" puke.vim - colour me horridly
" Barry Arthur, May 2011

highlight puke_sentence ctermfg=grey ctermbg=green
highlight puke_line     ctermfg=grey ctermbg=yellow
highlight puke_word     ctermfg=grey ctermbg=red

let s:last_sentence = 0
let s:last_line = 0
function! Puke()
  if s:last_sentence
    call matchdelete(s:last_sentence)
  endif
  if s:last_line
    call matchdelete(s:last_line)
  endif
  let s:last_line = matchadd('puke_line', '\%' . line('.') . 'l.*')
  let s:last_sentence = matchadd('puke_sentence', '\_.*\.\s\+\zs\_.*\%#\_.\{-}\.')
  call matchadd('puke_word', '\<\w*\%#\w*\>')
endfunction

au CursorHold * call Puke()