| Bram Moolenaar | 071d427 | 2004-06-13 20:20:40 +0000 | [diff] [blame] | 1 | " Vim indent file |
| 2 | " Language: Dylan |
| 3 | " Version: 0.01 |
| 4 | " Last Change: 2003 Feb 04 |
| 5 | " Maintainer: Brent A. Fulgham <bfulgham@debian.org> |
| 6 | |
| 7 | " Only load this indent file when no other was loaded. |
| 8 | if exists("b:did_indent") |
| 9 | finish |
| 10 | endif |
| 11 | let b:did_indent = 1 |
| 12 | |
| 13 | setlocal indentkeys+==~begin,=~block,=~case,=~cleanup,=~define,=~end,=~else,=~elseif,=~exception,=~for,=~finally,=~if,=~otherwise,=~select,=~unless,=~while |
| 14 | |
| 15 | " Define the appropriate indent function but only once |
| 16 | setlocal indentexpr=DylanGetIndent() |
| 17 | if exists("*DylanGetIndent") |
| 18 | finish |
| 19 | endif |
| 20 | |
| 21 | function DylanGetIndent() |
| 22 | " Get the line to be indented |
| 23 | let cline = getline(v:lnum) |
| 24 | |
| 25 | " Don't reindent comments on first column |
| 26 | if cline =~ '^/\[/\*]' |
| 27 | return 0 |
| 28 | endif |
| 29 | |
| 30 | "Find the previous non-blank line |
| 31 | let lnum = prevnonblank(v:lnum - 1) |
| 32 | "Use zero indent at the top of the file |
| 33 | if lnum == 0 |
| 34 | return 0 |
| 35 | endif |
| 36 | |
| 37 | let prevline=getline(lnum) |
| 38 | let ind = indent(lnum) |
| 39 | let chg = 0 |
| 40 | |
| 41 | " If previous line was a comment, use its indent |
| 42 | if prevline =~ '^\s*//' |
| 43 | return ind |
| 44 | endif |
| 45 | |
| 46 | " If previous line was a 'define', indent |
| 47 | if prevline =~? '\(^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)\|\s*\S*\s*=>$\)' |
| 48 | let chg = &sw |
| 49 | " local methods indent the shift-width, plus 6 for the 'local' |
| 50 | elseif prevline =~? '^\s*local' |
| 51 | let chg = &sw + 6 |
| 52 | " If previous line was a let with no closing semicolon, indent |
| 53 | elseif prevline =~? '^\s*let.*[^;]\s*$' |
| 54 | let chg = &sw |
| 55 | " If previous line opened a parenthesis, and did not close it, indent |
| 56 | elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' |
| 57 | return = match( prevline, '(.*\((.*)\|[^)]\)*.*$') + 1 |
| 58 | "elseif prevline =~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' |
| 59 | elseif prevline =~ '^[^(]*)\s*$' |
| 60 | " This line closes a parenthesis. Find opening |
| 61 | let curr_line = prevnonblank(lnum - 1) |
| 62 | while curr_line >= 0 |
| 63 | let str = getline(curr_line) |
| 64 | if str !~ '^.*(\s*[^)]*\((.*)\)*[^)]*$' |
| 65 | let curr_line = prevnonblank(curr_line - 1) |
| 66 | else |
| 67 | break |
| 68 | endif |
| 69 | endwhile |
| 70 | if curr_line < 0 |
| 71 | return -1 |
| 72 | endif |
| 73 | let ind = indent(curr_line) |
| 74 | " Although we found the closing parenthesis, make sure this |
| 75 | " line doesn't start with an indentable command: |
| 76 | let curr_str = getline(curr_line) |
| 77 | if curr_str =~? '^\s*\(begin\|block\|case\|define\|else\|elseif\|for\|finally\|if\|select\|unless\|while\)' |
| 78 | let chg = &sw |
| 79 | endif |
| 80 | endif |
| 81 | |
| 82 | " If a line starts with end, un-indent (even if we just indented!) |
| 83 | if cline =~? '^\s*\(cleanup\|end\|else\|elseif\|exception\|finally\|otherwise\)' |
| 84 | let chg = chg - &sw |
| 85 | endif |
| 86 | |
| 87 | return ind + chg |
| 88 | endfunction |
| 89 | |
| 90 | " vim:sw=2 tw=130 |