view src/libvterm/find-wide-chars.pl @ 26841:48d6f187e9c0 v8.2.3949

patch 8.2.3949: using freed memory with /%V Commit: https://github.com/vim/vim/commit/4c13e5e6763c6eb36a343a2b8235ea227202e952 Author: Bram Moolenaar <Bram@vim.org> Date: Thu Dec 30 14:49:43 2021 +0000 patch 8.2.3949: using freed memory with /\%V Problem: Using freed memory with /\%V. Solution: Get the line again after getvvcol().
author Bram Moolenaar <Bram@vim.org>
date Thu, 30 Dec 2021 16:00:05 +0100
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;