Mercurial > vim
annotate runtime/plugin/matchparen.vim @ 18489:1cd44535be32
Update runtime files.
Commit: https://github.com/vim/vim/commit/1ff14ba24c4d85c008d7abe5e140dbb497ffea8d
Author: Bram Moolenaar <Bram@vim.org>
Date: Sat Nov 2 14:09:23 2019 +0100
Update runtime files.
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Sat, 02 Nov 2019 14:15:04 +0100 |
| parents | 1cfeee3ba4cd |
| children | 59f93c2d2551 |
| rev | line source |
|---|---|
| 694 | 1 " Vim plugin for showing matching parens |
| 2 " Maintainer: Bram Moolenaar <Bram@vim.org> | |
| 18489 | 3 " Last Change: 2019 Oct 28 |
| 694 | 4 |
| 5 " Exit quickly when: | |
| 6 " - this plugin was already loaded (or disabled) | |
| 7 " - when 'compatible' is set | |
| 4352 | 8 " - the "CursorMoved" autocmd event is not available. |
| 694 | 9 if exists("g:loaded_matchparen") || &cp || !exists("##CursorMoved") |
| 10 finish | |
| 11 endif | |
| 12 let g:loaded_matchparen = 1 | |
| 13 | |
| 4437 | 14 if !exists("g:matchparen_timeout") |
| 15 let g:matchparen_timeout = 300 | |
| 16 endif | |
| 17 if !exists("g:matchparen_insert_timeout") | |
| 18 let g:matchparen_insert_timeout = 60 | |
| 19 endif | |
| 20 | |
| 694 | 21 augroup matchparen |
| 22 " Replace all matchparen autocommands | |
| 1368 | 23 autocmd! CursorMoved,CursorMovedI,WinEnter * call s:Highlight_Matching_Pair() |
| 4232 | 24 if exists('##TextChanged') |
| 25 autocmd! TextChanged,TextChangedI * call s:Highlight_Matching_Pair() | |
| 26 endif | |
| 694 | 27 augroup END |
| 28 | |
| 29 " Skip the rest if it was already done. | |
| 30 if exists("*s:Highlight_Matching_Pair") | |
| 31 finish | |
| 32 endif | |
| 33 | |
| 2034 | 34 let s:cpo_save = &cpo |
| 757 | 35 set cpo-=C |
| 36 | |
| 694 | 37 " The function that is invoked (very often) to define a ":match" highlighting |
| 38 " for any matching paren. | |
| 18489 | 39 func s:Highlight_Matching_Pair() |
| 694 | 40 " Remove any previous match. |
| 819 | 41 if exists('w:paren_hl_on') && w:paren_hl_on |
| 5979 | 42 silent! call matchdelete(3) |
| 819 | 43 let w:paren_hl_on = 0 |
| 694 | 44 endif |
| 45 | |
| 711 | 46 " Avoid that we remove the popup menu. |
| 1556 | 47 " Return when there are no colors (looks like the cursor jumps). |
| 48 if pumvisible() || (&t_Co < 8 && !has("gui_running")) | |
| 711 | 49 return |
| 50 endif | |
| 51 | |
| 694 | 52 " Get the character under the cursor and check if it's in 'matchpairs'. |
| 53 let c_lnum = line('.') | |
| 54 let c_col = col('.') | |
| 55 let before = 0 | |
| 56 | |
| 6051 | 57 let text = getline(c_lnum) |
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58 let matches = matchlist(text, '\(.\)\=\%'.c_col.'c\(.\=\)') |
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commit https://github.com/vim/vim/commit/256972a9849b5d575b62a6a71be5b6934b5b0e8b
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59 if empty(matches) |
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commit https://github.com/vim/vim/commit/256972a9849b5d575b62a6a71be5b6934b5b0e8b
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60 let [c_before, c] = ['', ''] |
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61 else |
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62 let [c_before, c] = matches[1:2] |
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63 endif |
| 967 | 64 let plist = split(&matchpairs, '.\zs[:,]') |
| 694 | 65 let i = index(plist, c) |
| 66 if i < 0 | |
| 67 " not found, in Insert mode try character before the cursor | |
| 68 if c_col > 1 && (mode() == 'i' || mode() == 'R') | |
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69 let before = strlen(c_before) |
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70 let c = c_before |
| 694 | 71 let i = index(plist, c) |
| 72 endif | |
| 73 if i < 0 | |
| 74 " not found, nothing to do | |
| 75 return | |
| 76 endif | |
| 77 endif | |
| 78 | |
| 79 " Figure out the arguments for searchpairpos(). | |
| 80 if i % 2 == 0 | |
| 81 let s_flags = 'nW' | |
| 82 let c2 = plist[i + 1] | |
| 83 else | |
| 84 let s_flags = 'nbW' | |
| 85 let c2 = c | |
| 86 let c = plist[i - 1] | |
| 87 endif | |
| 88 if c == '[' | |
| 89 let c = '\[' | |
| 90 let c2 = '\]' | |
| 91 endif | |
| 92 | |
| 93 " Find the match. When it was just before the cursor move it there for a | |
| 702 | 94 " moment. |
| 694 | 95 if before > 0 |
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96 let has_getcurpos = exists("*getcurpos") |
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97 if has_getcurpos |
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98 " getcurpos() is more efficient but doesn't exist before 7.4.313. |
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99 let save_cursor = getcurpos() |
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100 else |
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101 let save_cursor = winsaveview() |
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102 endif |
| 694 | 103 call cursor(c_lnum, c_col - before) |
| 104 endif | |
| 845 | 105 |
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106 if !has("syntax") || !exists("g:syntax_on") |
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107 let s_skip = "0" |
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108 else |
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109 " Build an expression that detects whether the current cursor position is |
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110 " in certain syntax types (string, comment, etc.), for use as |
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111 " searchpairpos()'s skip argument. |
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112 " We match "escape" for special items, such as lispEscapeSpecial. |
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113 let s_skip = '!empty(filter(map(synstack(line("."), col(".")), ''synIDattr(v:val, "name")''), ' . |
| 6118 | 114 \ '''v:val =~? "string\\|character\\|singlequote\\|escape\\|comment"''))' |
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115 " If executing the expression determines that the cursor is currently in |
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116 " one of the syntax types, then we want searchpairpos() to find the pair |
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117 " within those syntax types (i.e., not skip). Otherwise, the cursor is |
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118 " outside of the syntax types and s_skip should keep its value so we skip |
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119 " any matching pair inside the syntax types. |
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120 " Catch if this throws E363: pattern uses more memory than 'maxmempattern'. |
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121 try |
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122 execute 'if ' . s_skip . ' | let s_skip = "0" | endif' |
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123 catch /^Vim\%((\a\+)\)\=:E363/ |
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124 " We won't find anything, so skip searching, should keep Vim responsive. |
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125 return |
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126 endtry |
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127 endif |
| 845 | 128 |
| 1556 | 129 " Limit the search to lines visible in the window. |
| 130 let stoplinebottom = line('w$') | |
| 131 let stoplinetop = line('w0') | |
| 132 if i % 2 == 0 | |
| 133 let stopline = stoplinebottom | |
| 134 else | |
| 135 let stopline = stoplinetop | |
| 136 endif | |
| 137 | |
| 4437 | 138 " Limit the search time to 300 msec to avoid a hang on very long lines. |
| 139 " This fails when a timeout is not supported. | |
| 140 if mode() == 'i' || mode() == 'R' | |
| 141 let timeout = exists("b:matchparen_insert_timeout") ? b:matchparen_insert_timeout : g:matchparen_insert_timeout | |
| 142 else | |
| 143 let timeout = exists("b:matchparen_timeout") ? b:matchparen_timeout : g:matchparen_timeout | |
| 144 endif | |
| 1496 | 145 try |
| 4437 | 146 let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, timeout) |
| 1496 | 147 catch /E118/ |
| 1556 | 148 " Can't use the timeout, restrict the stopline a bit more to avoid taking |
| 149 " a long time on closed folds and long lines. | |
| 150 " The "viewable" variables give a range in which we can scroll while | |
| 151 " keeping the cursor at the same position. | |
| 152 " adjustedScrolloff accounts for very large numbers of scrolloff. | |
| 153 let adjustedScrolloff = min([&scrolloff, (line('w$') - line('w0')) / 2]) | |
| 154 let bottom_viewable = min([line('$'), c_lnum + &lines - adjustedScrolloff - 2]) | |
| 155 let top_viewable = max([1, c_lnum-&lines+adjustedScrolloff + 2]) | |
| 156 " one of these stoplines will be adjusted below, but the current values are | |
| 157 " minimal boundaries within the current window | |
| 158 if i % 2 == 0 | |
| 159 if has("byte_offset") && has("syntax_items") && &smc > 0 | |
| 160 let stopbyte = min([line2byte("$"), line2byte(".") + col(".") + &smc * 2]) | |
| 161 let stopline = min([bottom_viewable, byte2line(stopbyte)]) | |
| 162 else | |
| 163 let stopline = min([bottom_viewable, c_lnum + 100]) | |
| 164 endif | |
| 165 let stoplinebottom = stopline | |
| 166 else | |
| 167 if has("byte_offset") && has("syntax_items") && &smc > 0 | |
| 168 let stopbyte = max([1, line2byte(".") + col(".") - &smc * 2]) | |
| 169 let stopline = max([top_viewable, byte2line(stopbyte)]) | |
| 170 else | |
| 171 let stopline = max([top_viewable, c_lnum - 100]) | |
| 172 endif | |
| 173 let stoplinetop = stopline | |
| 174 endif | |
| 1496 | 175 let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline) |
| 176 endtry | |
| 845 | 177 |
| 694 | 178 if before > 0 |
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parents:
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179 if has_getcurpos |
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parents:
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180 call setpos('.', save_cursor) |
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parents:
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181 else |
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parents:
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182 call winrestview(save_cursor) |
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parents:
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183 endif |
| 694 | 184 endif |
| 185 | |
| 186 " If a match is found setup match highlighting. | |
| 1334 | 187 if m_lnum > 0 && m_lnum >= stoplinetop && m_lnum <= stoplinebottom |
| 5979 | 188 if exists('*matchaddpos') |
| 189 call matchaddpos('MatchParen', [[c_lnum, c_col - before], [m_lnum, m_col]], 10, 3) | |
| 190 else | |
| 191 exe '3match MatchParen /\(\%' . c_lnum . 'l\%' . (c_col - before) . | |
| 192 \ 'c\)\|\(\%' . m_lnum . 'l\%' . m_col . 'c\)/' | |
| 193 endif | |
| 819 | 194 let w:paren_hl_on = 1 |
| 694 | 195 endif |
| 196 endfunction | |
| 197 | |
| 198 " Define commands that will disable and enable the plugin. | |
| 18489 | 199 command DoMatchParen call s:DoMatchParen() |
| 200 command NoMatchParen call s:NoMatchParen() | |
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201 |
| 18489 | 202 func s:NoMatchParen() |
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203 let w = winnr() |
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204 noau windo silent! call matchdelete(3) |
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205 unlet! g:loaded_matchparen |
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206 exe "noau ". w . "wincmd w" |
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207 au! matchparen |
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208 endfunc |
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209 |
| 18489 | 210 func s:DoMatchParen() |
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211 runtime plugin/matchparen.vim |
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212 let w = winnr() |
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213 silent windo doau CursorMoved |
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214 exe "noau ". w . "wincmd w" |
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215 endfunc |
| 757 | 216 |
| 2034 | 217 let &cpo = s:cpo_save |
| 218 unlet s:cpo_save |