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Diffstat (limited to 'runtime/doc/tips.txt')
| -rw-r--r-- | runtime/doc/tips.txt | 57 |
1 files changed, 56 insertions, 1 deletions
diff --git a/runtime/doc/tips.txt b/runtime/doc/tips.txt index d60ff1483..5e40cdaf4 100644 --- a/runtime/doc/tips.txt +++ b/runtime/doc/tips.txt @@ -1,4 +1,4 @@ -*tips.txt* For Vim version 7.0aa. Last change: 2005 Apr 19 +*tips.txt* For Vim version 7.0aa. Last change: 2006 Feb 13 VIM REFERENCE MANUAL by Bram Moolenaar @@ -24,6 +24,7 @@ Compressing the help files |gzip-helpfile| Hex editing |hex-editing| Executing shell commands in a window |shell-window| Using <> notation in autocommands |autocmd-<>| +Highlighting matching parens |match-parens| ============================================================================== Editing C programs *C-editing* @@ -443,4 +444,58 @@ forget to double the number of existing backslashes and put a backslash before For a real buffer menu, user functions should be used (see |:function|), but then the <> notation isn't used, which defeats using it as an example here. +============================================================================== +Highlighting matching parens *match-parens* + +This example shows the use of a few advanced tricks: +- using the |CursorMoved| autocommand event +- using |searchpairpos()| to find a matching paren +- using |:match| to highlight something +- using a |pattern| to match a specific position in the file. + +This should be put in a Vim script file, since it uses script-local variables. +Note that it doesn't recognize strings or comments in the text. +> + let s:paren_hl_on = 0 + function s:Highlight_Matching_Paren() + if s:paren_hl_on + match none + let s:paren_hl_on = 0 + endif + + let c_lnum = line('.') + let c_col = col('.') + + let c = getline(c_lnum)[c_col - 1] + let plist = split(&matchpairs, ':\|,') + let i = index(plist, c) + if i < 0 + return + endif + if i % 2 == 0 + let s_flags = 'nW' + let c2 = plist[i + 1] + else + let s_flags = 'nbW' + let c2 = c + let c = plist[i - 1] + endif + if c == '[' + let c = '\[' + let c2 = '\]' + endif + + let [m_lnum, m_col] = searchpairpos(c, '', c2, s_flags) + + if m_lnum > 0 && m_lnum >= line('w0') && m_lnum <= line('w$') + exe 'match Search /\(\%' . c_lnum . 'l\%' . c_col . + \ 'c\)\|\(\%' . m_lnum . 'l\%' . m_col . 'c\)/' + let s:paren_hl_on = 1 + endif + endfunction + + autocmd CursorMoved * call s:Highlight_Matching_Paren() + autocmd InsertEnter * match none +< + vim:tw=78:ts=8:ft=help:norl: |