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Diffstat (limited to 'runtime/indent/lua.vim')
| -rw-r--r-- | runtime/indent/lua.vim | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/runtime/indent/lua.vim b/runtime/indent/lua.vim new file mode 100644 index 000000000..37e397e37 --- /dev/null +++ b/runtime/indent/lua.vim @@ -0,0 +1,49 @@ +" 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 |