" Vim indent file " Language: Lua script " Maintainer: Max Ischenko " Last Change: 2003 Jan 12 by Marcus Aurelius Farias " 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, case, '{' 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) =~ '\\|\' 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