1" Vim indent file 2" Language: Vim script 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2011 Mar 22 5 6" Only load this indent file when no other was loaded. 7if exists("b:did_indent") 8 finish 9endif 10let b:did_indent = 1 11 12setlocal indentexpr=GetVimIndent() 13setlocal indentkeys+==end,=else,=cat,=fina,=END,0\\ 14 15" Only define the function once. 16if exists("*GetVimIndent") 17 finish 18endif 19 20function GetVimIndent() 21 " Find a non-blank line above the current line. 22 let lnum = prevnonblank(v:lnum - 1) 23 24 " If the current line doesn't start with '\' and below a line that starts 25 " with '\', use the indent of the line above it. 26 if getline(v:lnum) !~ '^\s*\\' 27 while lnum > 0 && getline(lnum) =~ '^\s*\\' 28 let lnum = lnum - 1 29 endwhile 30 endif 31 32 " At the start of the file use zero indent. 33 if lnum == 0 34 return 0 35 endif 36 37 " Add a 'shiftwidth' after :if, :while, :try, :catch, :finally, :function 38 " and :else. Add it three times for a line that starts with '\' after 39 " a line that doesn't (or g:vim_indent_cont if it exists). 40 let ind = indent(lnum) 41 if getline(v:lnum) =~ '^\s*\\' && v:lnum > 1 && getline(lnum) !~ '^\s*\\' 42 if exists("g:vim_indent_cont") 43 let ind = ind + g:vim_indent_cont 44 else 45 let ind = ind + &sw * 3 46 endif 47 elseif getline(lnum) =~ '^\s*aug\%[roup]' && getline(lnum) !~ '^\s*aug\%[roup]\s*!\=\s\+END' 48 let ind = ind + &sw 49 else 50 let line = getline(lnum) 51 let i = match(line, '\(^\||\)\s*\(if\|wh\%[ile]\|for\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>') 52 if i >= 0 53 let ind += &sw 54 if strpart(line, i, 1) == '|' && has('syntax_items') 55 \ && synIDattr(synID(lnum, i, 1), "name") =~ '\(Comment\|String\)$' 56 let ind -= &sw 57 endif 58 endif 59 endif 60 61 " If the previous line contains an "end" after a pipe, but not in an ":au" 62 " command. And not when there is a backslash before the pipe. 63 " And when syntax HL is enabled avoid a match inside a string. 64 let line = getline(lnum) 65 let i = match(line, '[^\\]|\s*\(ene\@!\)') 66 if i > 0 && line !~ '^\s*au\%[tocmd]' 67 if !has('syntax_items') || synIDattr(synID(lnum, i + 2, 1), "name") !~ '\(Comment\|String\)$' 68 let ind = ind - &sw 69 endif 70 endif 71 72 73 " Subtract a 'shiftwidth' on a :endif, :endwhile, :catch, :finally, :endtry, 74 " :endfun, :else and :augroup END. 75 if getline(v:lnum) =~ '^\s*\(ene\@!\|cat\|fina\|el\|aug\%[roup]\s*!\=\s\+END\)' 76 let ind = ind - &sw 77 endif 78 79 return ind 80endfunction 81 82" vim:sw=2 83