| Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1 | " Vim indent file |
| 2 | " Language: Tcl |
| 3 | " Maintainer: Nikolai Weibull <source@pcppopper.org> |
| 4 | " URL: http://www.pcppopper.org/vim/indent/pcp/tcl/ |
| 5 | " Latest Revision: 2004-05-21 |
| 6 | " arch-tag: 64fab1fa-d670-40ab-a191-55678f20ceb0 |
| 7 | |
| 8 | " only load this indent file when no other was loaded. |
| 9 | if exists("b:did_indent") |
| 10 | finish |
| 11 | endif |
| 12 | |
| 13 | let b:did_indent = 1 |
| 14 | |
| 15 | setlocal indentexpr=GetTclIndent() |
| 16 | setlocal indentkeys-=:,0# |
| 17 | setlocal indentkeys+=0] |
| 18 | |
| 19 | " only define the function once. |
| 20 | if exists("*GetTclIndent") |
| 21 | finish |
| 22 | endif |
| 23 | |
| 24 | function s:PrevNonBlankNonComment(lnum) |
| 25 | let lnum = prevnonblank(a:lnum) |
| 26 | while lnum > 0 |
| 27 | let line = getline(lnum) |
| 28 | if line !~ '^\s*\(#\|$\)' |
| 29 | break |
| 30 | endif |
| 31 | let lnum = prevnonblank(lnum - 1) |
| 32 | endwhile |
| 33 | return lnum |
| 34 | endfunction |
| 35 | |
| 36 | function! GetTclIndent() |
| 37 | let lnum = s:PrevNonBlankNonComment(v:lnum - 1) |
| 38 | |
| 39 | if lnum == 0 |
| 40 | return 0 |
| 41 | endif |
| 42 | |
| 43 | let line = getline(lnum) |
| 44 | let ind = indent(lnum) |
| 45 | |
| 46 | " TODO: Possible improvement, check that 'begin' and 'end' aren't inside a |
| 47 | " comment or string. This will mess it up. As I am pressed for time and |
| 48 | " stuff like this is unlikely to happen I won't deal with it in this |
| 49 | " version. |
| 50 | let open = 0 |
| 51 | let begin = match(line, '{', 0) |
| 52 | while begin > -1 |
| 53 | let end = match(line, '}', begin + 1) |
| 54 | if end < 0 |
| 55 | let open = open + 1 |
| 56 | else |
| 57 | let tmp = match(line, '{', begin + 1) |
| 58 | if tmp != -1 && tmp < end |
| 59 | let open = open + 1 |
| 60 | endif |
| 61 | endif |
| 62 | let begin = match(line, '{', begin + 1) |
| 63 | endwhile |
| 64 | |
| 65 | let begin = match(line, '[', 0) |
| 66 | while begin > -1 |
| 67 | let end = match(line, ']', begin + 1) |
| 68 | if end < 0 |
| 69 | let open = open + 1 |
| 70 | else |
| 71 | let tmp = match(line, '{', begin + 1) |
| 72 | if tmp != -1 && tmp < end |
| 73 | let open = open + 1 |
| 74 | endif |
| 75 | endif |
| 76 | let begin = match(line, '{', begin + 1) |
| 77 | endwhile |
| 78 | |
| 79 | let close = 0 |
| 80 | let prev = 0 |
| 81 | let end = matchend(line, '^\s*}.*}', prev) |
| 82 | while end > -1 |
| 83 | let begin = match(line, '{', prev + 1) |
| 84 | if begin < 0 || begin > prev |
| 85 | let close = close + 1 |
| 86 | endif |
| 87 | let prev = end |
| 88 | let end = match(line, '}', prev + 1) |
| 89 | endwhile |
| 90 | |
| 91 | let prev = 0 |
| 92 | let end = match(line, ']', prev) |
| 93 | while end > -1 |
| 94 | let begin = match(line, '[', prev + 1) |
| 95 | if begin < 0 || begin > prev |
| 96 | let close = close + 1 |
| 97 | endif |
| 98 | let prev = end |
| 99 | let end = match(line, ']', prev + 1) |
| 100 | endwhile |
| 101 | |
| 102 | let ind = ind + (open - close) * &sw |
| 103 | |
| 104 | let line = getline(v:lnum) |
| 105 | |
| 106 | let close = 0 |
| 107 | let prev = 0 |
| 108 | let end = match(line, '}', prev) |
| 109 | while end > -1 |
| 110 | let begin = match(line, '{', prev + 1) |
| 111 | if begin < 0 || begin > prev |
| 112 | let close = close + 1 |
| 113 | endif |
| 114 | let prev = end |
| 115 | let end = match(line, '}', prev + 1) |
| 116 | endwhile |
| 117 | |
| 118 | let ind = ind - close * &sw |
| 119 | |
| 120 | return ind >= 0 ? ind : 0 |
| 121 | endfunction |
| 122 | |
| 123 | " vim: set sts=2 sw=2: |