1" Vim indent file 2" Language: Vim script 3" Maintainer: Bram Moolenaar <[email protected]> 4" Last Change: 2012 May 20 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 15let b:undo_indent = "setl indentkeys< indentexpr<" 16 17" Only define the function once. 18if exists("*GetVimIndent") 19 finish 20endif 21let s:keepcpo= &cpo 22set cpo&vim 23 24function GetVimIndent() 25 " Find a non-blank line above the current line. 26 let lnum = prevnonblank(v:lnum - 1) 27 28 " If the current line doesn't start with '\' and below a line that starts 29 " with '\', use the indent of the line above it. 30 if getline(v:lnum) !~ '^\s*\\' 31 while lnum > 0 && getline(lnum) =~ '^\s*\\' 32 let lnum = lnum - 1 33 endwhile 34 endif 35 36 " At the start of the file use zero indent. 37 if lnum == 0 38 return 0 39 endif 40 41 " Add a 'shiftwidth' after :if, :while, :try, :catch, :finally, :function 42 " and :else. Add it three times for a line that starts with '\' after 43 " a line that doesn't (or g:vim_indent_cont if it exists). 44 let ind = indent(lnum) 45 if getline(v:lnum) =~ '^\s*\\' && v:lnum > 1 && getline(lnum) !~ '^\s*\\' 46 if exists("g:vim_indent_cont") 47 let ind = ind + g:vim_indent_cont 48 else 49 let ind = ind + &sw * 3 50 endif 51 elseif getline(lnum) =~ '^\s*aug\%[roup]' && getline(lnum) !~ '^\s*aug\%[roup]\s*!\=\s\+END' 52 let ind = ind + &sw 53 else 54 let line = getline(lnum) 55 let i = match(line, '\(^\||\)\s*\(if\|wh\%[ile]\|for\|try\|cat\%[ch]\|fina\%[lly]\|fu\%[nction]\|el\%[seif]\)\>') 56 if i >= 0 57 let ind += &sw 58 if strpart(line, i, 1) == '|' && has('syntax_items') 59 \ && synIDattr(synID(lnum, i, 1), "name") =~ '\(Comment\|String\)$' 60 let ind -= &sw 61 endif 62 endif 63 endif 64 65 " If the previous line contains an "end" after a pipe, but not in an ":au" 66 " command. And not when there is a backslash before the pipe. 67 " And when syntax HL is enabled avoid a match inside a string. 68 let line = getline(lnum) 69 let i = match(line, '[^\\]|\s*\(ene\@!\)') 70 if i > 0 && line !~ '^\s*au\%[tocmd]' 71 if !has('syntax_items') || synIDattr(synID(lnum, i + 2, 1), "name") !~ '\(Comment\|String\)$' 72 let ind = ind - &sw 73 endif 74 endif 75 76 77 " Subtract a 'shiftwidth' on a :endif, :endwhile, :catch, :finally, :endtry, 78 " :endfun, :else and :augroup END. 79 if getline(v:lnum) =~ '^\s*\(ene\@!\|cat\|fina\|el\|aug\%[roup]\s*!\=\s\+END\)' 80 let ind = ind - &sw 81 endif 82 83 return ind 84endfunction 85 86let &cpo = s:keepcpo 87unlet s:keepcpo 88 89" vim:sw=2 90