function! g:CscopeDone()
	exec "cs add ".fnameescape(g:asyncrun_text)
endfunc
function! g:CscopeUpdate(workdir, cscopeout)
	let l:cscopeout = fnamemodify(a:cscopeout, ":p")
	let l:cscopeout = fnameescape(l:cscopeout)
	let l:workdir = (a:workdir == '')? '.' : a:workdir
	try | exec "cs kill ".l:cscopeout | catch | endtry
	exec "AsyncRun -post=call\\ g:CscopeDone() ".
				\ "-text=".l:cscopeout." "
				\ "-cwd=".fnameescape(l:workdir)." ".
				\ "cscope -b -R -f ".l:cscopeout
endfunc
noremap <F11> :call g:CscopeUpdate(".", "cscope.out")<cr>