ChaiScript/contrib/vim/indent/chaiscript.vim
2010-03-30 16:21:06 +00:00

57 lines
1.4 KiB
VimL

" Vim indent file
" Language: Minnow
" Maintainer: Jason Turner <jason 'at' emptycrate.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=GetMinnowIndent()
" To make Vim call GetMinnowIndent() when it finds '\s*end'
" on the current line ('else' is default and includes 'elseif').
setlocal indentkeys+=0=end
setlocal autoindent
" Only define the function once.
if exists("*GetMinnowIndent")
finish
endif
function! GetMinnowIndent()
" 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:
" 'function', 'if', 'for', 'while', 'repeat', 'else', 'elseif', '{'
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 ending with
" 'end' when they begin with 'while', 'if', 'for', etc. too.
if flag == 1 && prevline =~ '.*{.*}.*'
let ind = ind - &shiftwidth
endif
" Subtract a 'shiftwidth' on end, else (and elseif), until and '}'
" This is the part that requires 'indentkeys'.
if getline(v:lnum) =~ '^\s*\%(}\)'
let ind = ind - &shiftwidth
endif
return ind
endfunction