Mercurial > vim
annotate runtime/plugin/matchparen.vim @ 6999:dc1b678f0e4e v7.4.817
patch 7.4.817
Problem: Invalid memory access in file_pat_to_reg_pat().
Solution: Use vim_isspace() instead of checking for a space only. (Dominique
Pelle)
| author | Bram Moolenaar <bram@vim.org> |
|---|---|
| date | Tue, 11 Aug 2015 16:20:05 +0200 |
| parents | 8d361608fe86 |
| children | aea5ebf352c4 |
| rev | line source |
|---|---|
| 694 | 1 " Vim plugin for showing matching parens |
| 2 " Maintainer: Bram Moolenaar <Bram@vim.org> | |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
3 " Last Change: 2014 Jul 19 |
| 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. | |
| 39 function! s:Highlight_Matching_Pair() | |
| 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) |
| 58 let c = text[c_col - 1] | |
| 967 | 59 let plist = split(&matchpairs, '.\zs[:,]') |
| 694 | 60 let i = index(plist, c) |
| 61 if i < 0 | |
| 62 " not found, in Insert mode try character before the cursor | |
| 63 if c_col > 1 && (mode() == 'i' || mode() == 'R') | |
| 64 let before = 1 | |
| 6051 | 65 let c = text[c_col - 2] |
| 694 | 66 let i = index(plist, c) |
| 67 endif | |
| 68 if i < 0 | |
| 69 " not found, nothing to do | |
| 70 return | |
| 71 endif | |
| 72 endif | |
| 73 | |
| 74 " Figure out the arguments for searchpairpos(). | |
| 75 if i % 2 == 0 | |
| 76 let s_flags = 'nW' | |
| 77 let c2 = plist[i + 1] | |
| 78 else | |
| 79 let s_flags = 'nbW' | |
| 80 let c2 = c | |
| 81 let c = plist[i - 1] | |
| 82 endif | |
| 83 if c == '[' | |
| 84 let c = '\[' | |
| 85 let c2 = '\]' | |
| 86 endif | |
| 87 | |
| 88 " Find the match. When it was just before the cursor move it there for a | |
| 702 | 89 " moment. |
| 694 | 90 if before > 0 |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
91 let has_getcurpos = exists("*getcurpos") |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
92 if has_getcurpos |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
93 " getcurpos() is more efficient but doesn't exist before 7.4.313. |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
94 let save_cursor = getcurpos() |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
95 else |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
96 let save_cursor = winsaveview() |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
97 endif |
| 694 | 98 call cursor(c_lnum, c_col - before) |
| 99 endif | |
| 845 | 100 |
| 6118 | 101 " Build an expression that detects whether the current cursor position is in |
| 102 " certain syntax types (string, comment, etc.), for use as searchpairpos()'s | |
| 103 " skip argument. | |
| 3082 | 104 " We match "escape" for special items, such as lispEscapeSpecial. |
| 6118 | 105 let s_skip = '!empty(filter(map(synstack(line("."), col(".")), ''synIDattr(v:val, "name")''), ' . |
| 106 \ '''v:val =~? "string\\|character\\|singlequote\\|escape\\|comment"''))' | |
| 107 " If executing the expression determines that the cursor is currently in | |
| 108 " one of the syntax types, then we want searchpairpos() to find the pair | |
| 109 " within those syntax types (i.e., not skip). Otherwise, the cursor is | |
| 110 " outside of the syntax types and s_skip should keep its value so we skip any | |
| 111 " matching pair inside the syntax types. | |
| 845 | 112 execute 'if' s_skip '| let s_skip = 0 | endif' |
| 113 | |
| 1556 | 114 " Limit the search to lines visible in the window. |
| 115 let stoplinebottom = line('w$') | |
| 116 let stoplinetop = line('w0') | |
| 117 if i % 2 == 0 | |
| 118 let stopline = stoplinebottom | |
| 119 else | |
| 120 let stopline = stoplinetop | |
| 121 endif | |
| 122 | |
| 4437 | 123 " Limit the search time to 300 msec to avoid a hang on very long lines. |
| 124 " This fails when a timeout is not supported. | |
| 125 if mode() == 'i' || mode() == 'R' | |
| 126 let timeout = exists("b:matchparen_insert_timeout") ? b:matchparen_insert_timeout : g:matchparen_insert_timeout | |
| 127 else | |
| 128 let timeout = exists("b:matchparen_timeout") ? b:matchparen_timeout : g:matchparen_timeout | |
| 129 endif | |
| 1496 | 130 try |
| 4437 | 131 let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline, timeout) |
| 1496 | 132 catch /E118/ |
| 1556 | 133 " Can't use the timeout, restrict the stopline a bit more to avoid taking |
| 134 " a long time on closed folds and long lines. | |
| 135 " The "viewable" variables give a range in which we can scroll while | |
| 136 " keeping the cursor at the same position. | |
| 137 " adjustedScrolloff accounts for very large numbers of scrolloff. | |
| 138 let adjustedScrolloff = min([&scrolloff, (line('w$') - line('w0')) / 2]) | |
| 139 let bottom_viewable = min([line('$'), c_lnum + &lines - adjustedScrolloff - 2]) | |
| 140 let top_viewable = max([1, c_lnum-&lines+adjustedScrolloff + 2]) | |
| 141 " one of these stoplines will be adjusted below, but the current values are | |
| 142 " minimal boundaries within the current window | |
| 143 if i % 2 == 0 | |
| 144 if has("byte_offset") && has("syntax_items") && &smc > 0 | |
| 145 let stopbyte = min([line2byte("$"), line2byte(".") + col(".") + &smc * 2]) | |
| 146 let stopline = min([bottom_viewable, byte2line(stopbyte)]) | |
| 147 else | |
| 148 let stopline = min([bottom_viewable, c_lnum + 100]) | |
| 149 endif | |
| 150 let stoplinebottom = stopline | |
| 151 else | |
| 152 if has("byte_offset") && has("syntax_items") && &smc > 0 | |
| 153 let stopbyte = max([1, line2byte(".") + col(".") - &smc * 2]) | |
| 154 let stopline = max([top_viewable, byte2line(stopbyte)]) | |
| 155 else | |
| 156 let stopline = max([top_viewable, c_lnum - 100]) | |
| 157 endif | |
| 158 let stoplinetop = stopline | |
| 159 endif | |
| 1496 | 160 let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags, s_skip, stopline) |
| 161 endtry | |
| 845 | 162 |
| 694 | 163 if before > 0 |
|
6070
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
164 if has_getcurpos |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
165 call setpos('.', save_cursor) |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
166 else |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
167 call winrestview(save_cursor) |
|
32a77cc160d9
Update runtime files. Make matchparen plugin backwards compatible.
Bram Moolenaar <bram@vim.org>
parents:
6051
diff
changeset
|
168 endif |
| 694 | 169 endif |
| 170 | |
| 171 " If a match is found setup match highlighting. | |
| 1334 | 172 if m_lnum > 0 && m_lnum >= stoplinetop && m_lnum <= stoplinebottom |
| 5979 | 173 if exists('*matchaddpos') |
| 174 call matchaddpos('MatchParen', [[c_lnum, c_col - before], [m_lnum, m_col]], 10, 3) | |
| 175 else | |
| 176 exe '3match MatchParen /\(\%' . c_lnum . 'l\%' . (c_col - before) . | |
| 177 \ 'c\)\|\(\%' . m_lnum . 'l\%' . m_col . 'c\)/' | |
| 178 endif | |
| 819 | 179 let w:paren_hl_on = 1 |
| 694 | 180 endif |
| 181 endfunction | |
| 182 | |
| 183 " Define commands that will disable and enable the plugin. | |
| 5979 | 184 command! NoMatchParen windo silent! call matchdelete(3) | unlet! g:loaded_matchparen | |
| 1368 | 185 \ au! matchparen |
| 186 command! DoMatchParen runtime plugin/matchparen.vim | windo doau CursorMoved | |
| 757 | 187 |
| 2034 | 188 let &cpo = s:cpo_save |
| 189 unlet s:cpo_save |