Colin's git trees - cmccabe-etc/blob - .vim/autoload/gocomplete.vim

   1 if exists('g:loaded_gocode')
   2         finish
   3 endif
   4 let g:loaded_gocode = 1
   5
   6 fu! s:gocodeCurrentBuffer()
   7         let buf = getline(1, '$')
   8         if &encoding != 'utf-8'
   9                 let buf = map(buf, 'iconv(v:val, &encoding, "utf-8")')
  10         endif
  11         if &l:fileformat == 'dos'
  12                 " XXX: line2byte() depend on 'fileformat' option.
  13                 " so if fileformat is 'dos', 'buf' must include '\r'.
  14                 let buf = map(buf, 'v:val."\r"')
  15         endif
  16         let file = tempname()
  17         call writefile(buf, file)
  18         return file
  19 endf
  20
  21 let s:vim_system = get(g:, 'gocomplete#system_function', 'system')
  22
  23 fu! s:system(str, ...)
  24         return call(s:vim_system, [a:str] + a:000)
  25 endf
  26
  27 fu! s:gocodeShellescape(arg)
  28         try
  29                 let ssl_save = &shellslash
  30                 set noshellslash
  31                 return shellescape(a:arg)
  32         finally
  33                 let &shellslash = ssl_save
  34         endtry
  35 endf
  36
  37 fu! s:gocodeCommand(cmd, preargs, args)
  38         for i in range(0, len(a:args) - 1)
  39                 let a:args[i] = s:gocodeShellescape(a:args[i])
  40         endfor
  41         for i in range(0, len(a:preargs) - 1)
  42                 let a:preargs[i] = s:gocodeShellescape(a:preargs[i])
  43         endfor
  44         let result = s:system(printf('gocode %s %s %s', join(a:preargs), a:cmd, join(a:args)))
  45         if v:shell_error != 0
  46                 return "[\"0\", []]"
  47         else
  48                 if &encoding != 'utf-8'
  49                         let result = iconv(result, 'utf-8', &encoding)
  50                 endif
  51                 return result
  52         endif
  53 endf
  54
  55 fu! s:gocodeCurrentBufferOpt(filename)
  56         return '-in=' . a:filename
  57 endf
  58
  59 fu! s:gocodeCursor()
  60         if &encoding != 'utf-8'
  61                 let c = col('.')
  62                 let buf = line('.') == 1 ? "" : (join(getline(1, line('.')-1), "\n") . "\n")
  63                 let buf .= c == 1 ? "" : getline('.')[:c-2]
  64                 return printf('%d', len(iconv(buf, &encoding, "utf-8")))
  65         endif
  66         return printf('%d', line2byte(line('.')) + (col('.')-2))
  67 endf
  68
  69 fu! s:gocodeAutocomplete()
  70         let filename = s:gocodeCurrentBuffer()
  71         let result = s:gocodeCommand('autocomplete',
  72                                    \ [s:gocodeCurrentBufferOpt(filename), '-f=vim'],
  73                                    \ [expand('%:p'), s:gocodeCursor()])
  74         call delete(filename)
  75         return result
  76 endf
  77
  78 fu! gocomplete#Complete(findstart, base)
  79         "findstart = 1 when we need to get the text length
  80         if a:findstart == 1
  81                 execute "silent let g:gocomplete_completions = " . s:gocodeAutocomplete()
  82                 return col('.') - g:gocomplete_completions[0] - 1
  83         "findstart = 0 when we need to return the list of completions
  84         else
  85                 return g:gocomplete_completions[1]
  86         endif
  87 endf