code / vim-nomsu

   1 " Language:    Nomsu
   2 " Maintainer:  Bruce Hill <bruce@bruce-hill.com>
   3 " License:     WTFPL
   4 
   5 if exists("b:did_indent")
   6   finish
   7 endif
   8 
   9 let b:did_indent = 1
  10 
  11 setlocal autoindent
  12 setlocal indentexpr=GetNomsuIndent()
  13 setlocal indentkeys+=0],0),1),1.
  14 
  15 " Only define the function once.
  16 if exists("*GetNomsuIndent")
  17   finish
  18 endif
  19 
  20 function! GetNomsuIndent()
  21   let line = getline(v:lnum)
  22   let current_ind = indent(v:lnum)
  23   let previousNum = prevnonblank(v:lnum - 1)
  24   let previous = getline(previousNum)
  25   let ind = indent(previousNum)
  26 
  27   " TODO: don't auto-indent inside a multi-line comment?
  28   if previous =~ '\%([{[(:]\|("\)$' && previous !~ '^\s*#'
  29     let ind += &tabstop
  30   endif
  31 
  32   " TODO: dedent to matching parens, don't just dedent once
  33   if line =~ '^\s*\%([\])}]\|")\|\.\.\)'
  34     "let ind -= &tabstop
  35     return current_ind - &tabstop
  36   endif
  37 
  38   if ind == indent(previousNum)
  39       return current_ind
  40   endif
  41   return ind
  42 endfunction