Mercurial > vim
view src/testdir/view_util.vim @ 27742:3b2c75c0a7ab v8.2.4397
patch 8.2.4397: crash when using many composing characters in error message
Commit: https://github.com/vim/vim/commit/34f8117dec685ace52cd9e578e2729db278163fc
Author: Bram Moolenaar <Bram@vim.org>
Date: Wed Feb 16 12:16:19 2022 +0000
patch 8.2.4397: crash when using many composing characters in error message
Problem: Crash when using many composing characters in error message.
Solution: Use mb_cptr2char_adv() instead of mb_ptr2char_adv().
author | Bram Moolenaar <Bram@vim.org> |
---|---|
date | Wed, 16 Feb 2022 13:30:05 +0100 |
parents | 851a014dfd8b |
children | f936d46cc9c1 |
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line source
" Functions about view shared by several tests " Only load this script once. if exists('*Screenline') finish endif " Get line "lnum" as displayed on the screen. " Trailing white space is trimmed. func Screenline(lnum) let chars = [] for c in range(1, winwidth(0)) call add(chars, nr2char(screenchar(a:lnum, c))) endfor let line = join(chars, '') return matchstr(line, '^.\{-}\ze\s*$') endfunc " Get text on the screen, including composing characters. " ScreenLines(lnum, width) or " ScreenLines([start, end], width) function! ScreenLines(lnum, width) abort redraw! if type(a:lnum) == v:t_list let start = a:lnum[0] let end = a:lnum[1] else let start = a:lnum let end = a:lnum endif let lines = [] for l in range(start, end) let lines += [join(map(range(1, a:width), 'screenstring(l, v:val)'), '')] endfor return lines endfunction function! ScreenAttrs(lnum, width) abort redraw! if type(a:lnum) == v:t_list let start = a:lnum[0] let end = a:lnum[1] else let start = a:lnum let end = a:lnum endif let attrs = [] for l in range(start, end) let attrs += [map(range(1, a:width), 'screenattr(l, v:val)')] endfor return attrs endfunction function! NewWindow(height, width) abort exe a:height . 'new' exe a:width . 'vsp' set winfixwidth winfixheight redraw! endfunction function! CloseWindow() abort bw! redraw! endfunction