Dump current Vim Buffer

dumpCurrentBuffer.vim

" courtesy of the gocode autocompletion project
" https://github.com/nsf/gocode/blob/9d1e0378d35b0527c9aef0d17c0913fc38d88b81/vim/autoload/gocomplete.vim#L6-L19

fu! s:dumpCurrentBuffer()
	let buf = getline(1, '$')
	if &encoding != 'utf-8'
		let buf = map(buf, 'iconv(v:val, &encoding, "utf-8")')
	endif
	if &l:fileformat == 'dos'
		" XXX: line2byte() depend on 'fileformat' option.
		" so if fileformat is 'dos', 'buf' must include '\r'.
		let buf = map(buf, 'v:val."\r"')
	endif
	let file = tempname()
	call writefile(buf, file)
	return file
endf