Mercurial > vim
annotate runtime/indent/hare.vim @ 33052:5c220cf30f1f
runtime: Set b:undo_indent where missing (#12944)
Commit: https://github.com/vim/vim/commit/0382f05dbd659d8e39ee4e71c1e5062ac5c0a8fd
Author: dkearns <dougkearns@gmail.com>
Date: Tue Aug 29 05:32:59 2023 +1000
runtime: Set b:undo_indent where missing (https://github.com/vim/vim/issues/12944)
Signed-off-by: Christian Brabandt <cb@256bit.org>
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Mon, 28 Aug 2023 21:45:07 +0200 |
| parents | 1e91e26ceebf |
| children | ea0402ba92f6 |
| rev | line source |
|---|---|
| 30547 | 1 " Vim indent file |
| 2 " Language: Hare | |
| 3 " Maintainer: Amelia Clarke <me@rsaihe.dev> | |
| 4 " Last Change: 2022 Sep 22 | |
|
33052
5c220cf30f1f
runtime: Set b:undo_indent where missing (#12944)
Christian Brabandt <cb@256bit.org>
parents:
30547
diff
changeset
|
5 " 2023 Aug 28 by Vim Project (undo_indent) |
| 30547 | 6 |
| 7 if exists("b:did_indent") | |
| 8 finish | |
| 9 endif | |
| 10 let b:did_indent = 1 | |
| 11 | |
| 12 if !has("cindent") || !has("eval") | |
| 13 finish | |
| 14 endif | |
| 15 | |
| 16 setlocal cindent | |
| 17 | |
| 18 " L0 -> don't deindent labels | |
| 19 " (s -> use one indent after a trailing ( | |
| 20 " m1 -> if ) starts a line, indent it the same as its matching ( | |
| 21 " ks -> add an extra indent to extra lines in an if expression or for expression | |
| 22 " j1 -> indent code inside {} one level when in parentheses | |
| 23 " J1 -> see j1 | |
| 24 " *0 -> don't search for unclosed block comments | |
| 25 " #1 -> don't deindent lines that begin with # | |
| 26 setlocal cinoptions=L0,(s,m1,ks,j1,J1,*0,#1 | |
| 27 | |
| 28 " Controls which keys reindent the current line. | |
| 29 " 0{ -> { at beginning of line | |
| 30 " 0} -> } at beginning of line | |
| 31 " 0) -> ) at beginning of line | |
| 32 " 0] -> ] at beginning of line | |
| 33 " !^F -> <C-f> (not inserted) | |
| 34 " o -> <CR> or `o` command | |
| 35 " O -> `O` command | |
| 36 " e -> else | |
| 37 " 0=case -> case | |
| 38 setlocal indentkeys=0{,0},0),0],!^F,o,O,e,0=case | |
| 39 | |
| 40 setlocal cinwords=if,else,for,switch,match | |
| 41 | |
| 42 setlocal indentexpr=GetHareIndent() | |
| 43 | |
|
33052
5c220cf30f1f
runtime: Set b:undo_indent where missing (#12944)
Christian Brabandt <cb@256bit.org>
parents:
30547
diff
changeset
|
44 let b:undo_indent = "setl cin< cino< cinw< inde< indk<" |
|
5c220cf30f1f
runtime: Set b:undo_indent where missing (#12944)
Christian Brabandt <cb@256bit.org>
parents:
30547
diff
changeset
|
45 |
| 30547 | 46 function! FloorCindent(lnum) |
| 47 return cindent(a:lnum) / shiftwidth() * shiftwidth() | |
| 48 endfunction | |
| 49 | |
| 50 function! GetHareIndent() | |
| 51 let line = getline(v:lnum) | |
| 52 let prevlnum = prevnonblank(v:lnum - 1) | |
| 53 let prevline = getline(prevlnum) | |
| 54 let prevprevline = getline(prevnonblank(prevlnum - 1)) | |
| 55 | |
| 56 " This is all very hacky and imperfect, but it's tough to do much better when | |
| 57 " working with regex-based indenting rules. | |
| 58 | |
| 59 " If the previous line ended with =, indent by one shiftwidth. | |
| 60 if prevline =~# '\v\=\s*(//.*)?$' | |
| 61 return indent(prevlnum) + shiftwidth() | |
| 62 endif | |
| 63 | |
| 64 " If the previous line ended in a semicolon and the line before that ended | |
| 65 " with =, deindent by one shiftwidth. | |
| 66 if prevline =~# '\v;\s*(//.*)?$' && prevprevline =~# '\v\=\s*(//.*)?$' | |
| 67 return indent(prevlnum) - shiftwidth() | |
| 68 endif | |
| 69 | |
| 70 " TODO: The following edge-case is still indented incorrectly: | |
| 71 " case => | |
| 72 " if (foo) { | |
| 73 " bar; | |
| 74 " }; | |
| 75 " | // cursor is incorrectly deindented by one shiftwidth. | |
| 76 " | |
| 77 " This only happens if the {} block is the first statement in the case body. | |
| 78 " If `case` is typed, the case will also be incorrectly deindented by one | |
| 79 " shiftwidth. Are you having fun yet? | |
| 80 | |
| 81 " Deindent cases. | |
| 82 if line =~# '\v^\s*case' | |
| 83 " If the previous line was also a case, don't do any special indenting. | |
| 84 if prevline =~# '\v^\s*case' | |
| 85 return indent(prevlnum) | |
| 86 end | |
| 87 | |
| 88 " If the previous line was a multiline case, deindent by one shiftwidth. | |
| 89 if prevline =~# '\v\=\>\s*(//.*)?$' | |
| 90 return indent(prevlnum) - shiftwidth() | |
| 91 endif | |
| 92 | |
| 93 " If the previous line started a block, deindent by one shiftwidth. | |
| 94 " This handles the first case in a switch/match block. | |
| 95 if prevline =~# '\v\{\s*(//.*)?$' | |
| 96 return FloorCindent(v:lnum) - shiftwidth() | |
| 97 end | |
| 98 | |
| 99 " If the previous line ended in a semicolon and the line before that wasn't | |
| 100 " a case, deindent by one shiftwidth. | |
| 101 if prevline =~# '\v;\s*(//.*)?$' && prevprevline !~# '\v\=\>\s*(//.*)?$' | |
| 102 return FloorCindent(v:lnum) - shiftwidth() | |
| 103 end | |
| 104 | |
| 105 let l:indent = FloorCindent(v:lnum) | |
| 106 | |
| 107 " If a normal cindent would indent the same amount as the previous line, | |
| 108 " deindent by one shiftwidth. This fixes some issues with `case let` blocks. | |
| 109 if l:indent == indent(prevlnum) | |
| 110 return l:indent - shiftwidth() | |
| 111 endif | |
| 112 | |
| 113 " Otherwise, do a normal cindent. | |
| 114 return l:indent | |
| 115 endif | |
| 116 | |
| 117 " Don't indent an extra shiftwidth for cases which span multiple lines. | |
| 118 if prevline =~# '\v\=\>\s*(//.*)?$' && prevline !~# '\v^\s*case\W' | |
| 119 return indent(prevlnum) | |
| 120 endif | |
| 121 | |
| 122 " Indent the body of a case. | |
| 123 " If the previous line ended in a semicolon and the line before that was a | |
| 124 " case, don't do any special indenting. | |
| 125 if prevline =~# '\v;\s*(//.*)?$' && prevprevline =~# '\v\=\>\s*(//.*)?$' && line !~# '\v^\s*}' | |
| 126 return indent(prevlnum) | |
| 127 endif | |
| 128 | |
| 129 let l:indent = FloorCindent(v:lnum) | |
| 130 | |
| 131 " If the previous line was a case and a normal cindent wouldn't indent, indent | |
| 132 " an extra shiftwidth. | |
| 133 if prevline =~# '\v\=\>\s*(//.*)?$' && l:indent == indent(prevlnum) | |
| 134 return l:indent + shiftwidth() | |
| 135 endif | |
| 136 | |
| 137 " If everything above is false, do a normal cindent. | |
| 138 return l:indent | |
| 139 endfunction | |
| 140 | |
| 141 " vim: tabstop=2 shiftwidth=2 expandtab |