gdb-vim.vim

function! s:bufdo(bufname, cmd) abort
  let wn = bufwinnr(a:bufname)
  if wn == -1
    return 0
  endif
  exe wn 'wincmd w'
  exe a:cmd
  wincmd p
endfunction

function! s:append_buf(bufname, str) abort
  let wn = bufwinnr(a:bufname)
  if wn == -1
    return 0
  endif
  exe wn 'wincmd w'
  put =a:str
  wincmd p
endfunction

function! Callback(handle, msg)
  let wn = bufwinnr("gdb-buf")
  if wn == -1
    return 0
  endif
  exe wn 'wincmd w'

  put =a:msg
  " wincmd p
  redraw
endfunction
command! -nargs=* Send call ch_sendraw(handle_send, <q-args> . "\n")

if bufwinnr("gdb-buf") == -1
  20new gdb-buf
  setlocal buftype=nofile bufhidden=hide noswapfile
  setf gdb
  wincmd p
endif

let handle      = ch_open("127.0.0.1:3000", {'mode': 'raw', 'callback': 'Callback'})
let handle_send = ch_open("127.0.0.1:4000", {'mode': 'raw'})


" $ nc -l 4000 | nc -l 3000
" $ nc -l 4000 | gdb |& nc -l 3000