| " Vim indent file |
| " Language: Makefile |
| " Maintainer: Nikolai Weibull <nikolai+work.vim@bitwi.se> |
| " Latest Revision: 2005-06-29 |
| |
| if exists("b:did_indent") |
| finish |
| endif |
| let b:did_indent = 1 |
| |
| setlocal indentexpr=GetMakeIndent() |
| setlocal indentkeys=!^F,o,O |
| |
| if exists("*GetMakeIndent") |
| finish |
| endif |
| |
| function s:GetStringWidth(line, str) |
| let end = matchend(a:line, a:str) |
| let width = 0 |
| for c in a:line |
| if c == "\t" |
| let width += &ts - (width % &ts) |
| else |
| let width += 1 |
| endif |
| endfor |
| return width |
| endfunction |
| |
| function GetMakeIndent() |
| let lnum = v:lnum - 1 |
| if lnum == 0 |
| return 0 |
| endif |
| |
| let line = getline(lnum) |
| if line == '' |
| return 0 |
| elseif line =~ '^[^ \t#:][^#:]*:\{1,2}\%([^=:]\|$\)' |
| return indent(lnum) + &ts |
| elseif line =~ '^\s*\h\w*\s*+\==\s*.\+\\$' |
| return s:GetStringWidth(line, '+\==\s*') |
| endif |
| endfunction |
