view src/libvterm/find-wide-chars.pl @ 29603:8f01d250793a v9.0.0142

patch 9.0.0142: crash when adding and removing virtual text Commit: https://github.com/vim/vim/commit/2f83cc4cfa56750c91eb6daa8fde319bca032d18 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Aug 5 11:45:17 2022 +0100 patch 9.0.0142: crash when adding and removing virtual text Problem: Crash when adding and removing virtual text. (Ben Jackson) Solution: Check that the text of the text property still exists.
author Bram Moolenaar <Bram@vim.org>
date Fri, 05 Aug 2022 13:00:03 +0200
parents 55a373a243c0
children
line wrap: on
line source

#!/usr/bin/perl

use strict;
use warnings;

STDOUT->autoflush(1);

sub iswide
{
   my ( $cp ) = @_;
   return chr($cp) =~ m/\p{East_Asian_Width=Wide}|\p{East_Asian_Width=Fullwidth}/;
}

my ( $start, $end );
foreach my $cp ( 0 .. 0x1FFFF ) {
   iswide($cp) or next;

   if( defined $end and $end == $cp-1 ) {
      # extend the range
      $end = $cp;
      next;
   }

   # start a new range
   printf "  { %#04x, %#04x },\n", $start, $end if defined $start;

   $start = $end = $cp;
}

printf "  { %#04x, %#04x },\n", $start, $end if defined $start;