autoload/swiftcomplete.vim

autoload-swiftcomplete.vim

let s:cpo_save = &cpoptions
set cpoptions&vim

function! s:reduce(fct, list) abort
  let [l:acc; l:tail] = a:list
  while !empty(l:tail)
    let [l:head; l:tail] = l:tail
    let l:acc = a:fct(l:acc, l:head)
  endwhile

  return l:acc
endfunction

function! s:add(a, b) abort
  return a:a + a:b
endfunction

function! s:offset() abort
  if line('.') == 1
    return col('.')
  endif

  let l:columns = map(range(1, line('.') - 1), 'col([v:val, ''$''])')
  let l:offset = s:reduce(function('s:add'), l:columns) + col('.')

  return l:offset
endfunction

function! s:run_command(cmd) abort
  let l:term_options = {
        \    'term_rows': 10,
        \  }
  " call term_start(['/bin/sh', '-c', a:cmd], l:term_options)
  " let l:job = job_start(['/bin/sh', '-c', a:cmd], 
  silent let l:result = system(a:cmd)
  try
    return json_decode(l:result)
  catch
  endtry

  throw 'invalid response from sourcekitten'
endfunction

function! swiftcomplete#Complete(findstart, base)
  " Start completion on current position.
  if a:findstart
    return col('.')
  endif

  let l:filepath = expand('%:p')
  " Detect ios sdk and target
  let l:command = 'sourcekitten complete --file ' . l:filepath . ' --offset ' . s:offset()

  let l:completion_results = s:run_command(l:command)
  " Some filtering is needed here.
  let l:completions = map(l:completion_results, 'v:val.sourcetext')
  return l:completions

  return ['music', 'book', 'place']
endfunction

let &cpoptions = s:cpo_save
unlet s:cpo_save