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- " Vim indent file
- " Language: Lua script
- " Maintainer: Marcus Aurelius Farias <marcuscf@vant.com.br>
- " First Author: Max Ischenko <mfi@ukr.net>
- " Last Change: 2003 Jan 20
-
- " Only define the function once.
- if exists("*GetLuaIndent") | finish | endif
-
- setlocal indentexpr=GetLuaIndent()
-
- " To make Vim call GetLuaIndent() when it finds '\s*end' or '\s*until'
- " on the current line (else is default).
- setlocal indentkeys+=0=end,0=until
-
- setlocal autoindent
-
- function! GetLuaIndent()
- " 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 beginning with:
- " function, if, for, while, repeat, else, elseif, '{'
- let ind = indent(lnum)
- let flag = 0
- if getline(lnum) =~ '^\s*\(function\>\|if\>\|for\>\|while\>\|repeat\>\|else\>\|elseif\>\|do\>\)' || getline(lnum) =~ '{\s*$' || getline(lnum) =~ '\s*=\s*function'
- let ind = ind + &sw
- let flag = 1
- endif
-
- " Subtract a 'shiftwidth' after lines ending with
- " 'end' when they begin with while, if, for, etc.
- if flag == 1 && getline(lnum) =~ '\<end\>\|\<until\>'
- let ind = ind - &sw
- endif
-
- " Subtract a 'shiftwidth' on end, else (and elseif), until and '}'
- " This is the part that requires 'indentkeys'.
- if getline(v:lnum) =~ '^\s*\(end\|else\|until\|}\)'
- let ind = ind - &sw
- endif
-
- return ind
- endfunction
-