view runtime/indent/chaiscript.vim @ 9458:374afcf9d11d v7.4.2010

commit https://github.com/vim/vim/commit/537ef08408c50e0c4104d57f74993b3b0ed9560d Author: Bram Moolenaar <Bram@vim.org> Date: Sat Jul 9 17:56:19 2016 +0200 patch 7.4.2010 Problem: There is a :cbottom command but no :lbottom command. Solution: Add :lbottom. (Yegappan Lakshmanan)
author Christian Brabandt <cb@256bit.org>
date Sat, 09 Jul 2016 18:00:06 +0200
parents b9e314fe473f
children 63b0b7b79b25
line wrap: on
line source

" Vim indent file
" Language:     ChaiScript
" Maintainer:	Jason Turner <lefticus 'at' gmail com>

" Only load this indent file when no other was loaded.
if exists("b:did_indent")
  finish
endif
let b:did_indent = 1

setlocal indentexpr=GetChaiScriptIndent()
setlocal autoindent

" Only define the function once.
if exists("*GetChaiScriptIndent")
  finish
endif

function! GetChaiScriptIndent()
  " Find a non-blank line above the current line.
  let lnum = prevnonblank(v:lnum - 1)

  " Hit the start of the file, use zero indent.
  if lnum == 0
    return 0
  endif

  " Add a 'shiftwidth' after lines that start a block:
  " lines containing a {
  let ind = indent(lnum)
  let flag = 0
  let prevline = getline(lnum)
  if prevline =~ '^.*{.*'
    let ind = ind + &shiftwidth
    let flag = 1
  endif

  " Subtract a 'shiftwidth' after lines containing a { followed by a }
  " to keep it balanced
  if flag == 1 && prevline =~ '.*{.*}.*'
    let ind = ind - &shiftwidth
  endif

  " Subtract a 'shiftwidth' on lines ending with }
  if getline(v:lnum) =~ '^\s*\%(}\)'
    let ind = ind - &shiftwidth
  endif

  return ind
endfunction