1" Vim indent file 2" Language: Lua script 3" Maintainer: Marcus Aurelius Farias <[email protected]> 4" First Author: Max Ischenko <[email protected]> 5" Last Change: 2003 Jan 20 6 7" Only define the function once. 8if exists("*GetLuaIndent") | finish | endif 9 10setlocal indentexpr=GetLuaIndent() 11 12" To make Vim call GetLuaIndent() when it finds '\s*end' or '\s*until' 13" on the current line (else is default). 14setlocal indentkeys+=0=end,0=until 15 16setlocal autoindent 17 18function! GetLuaIndent() 19 " Find a non-blank line above the current line. 20 let lnum = prevnonblank(v:lnum - 1) 21 22 " Hit the start of the file, use zero indent. 23 if lnum == 0 24 return 0 25 endif 26 27 " Add a 'shiftwidth' after lines beginning with: 28 " function, if, for, while, repeat, else, elseif, '{' 29 let ind = indent(lnum) 30 let flag = 0 31 if getline(lnum) =~ '^\s*\(function\>\|if\>\|for\>\|while\>\|repeat\>\|else\>\|elseif\>\|do\>\)' || getline(lnum) =~ '{\s*$' || getline(lnum) =~ '\s*=\s*function' 32 let ind = ind + &sw 33 let flag = 1 34 endif 35 36 " Subtract a 'shiftwidth' after lines ending with 37 " 'end' when they begin with while, if, for, etc. 38 if flag == 1 && getline(lnum) =~ '\<end\>\|\<until\>' 39 let ind = ind - &sw 40 endif 41 42 " Subtract a 'shiftwidth' on end, else (and elseif), until and '}' 43 " This is the part that requires 'indentkeys'. 44 if getline(v:lnum) =~ '^\s*\(end\|else\|until\|}\)' 45 let ind = ind - &sw 46 endif 47 48 return ind 49endfunction 50