view src/libvterm/find-wide-chars.pl @ 25917:79a5c8238a5d v8.2.3492

patch 8.2.3492: crash when pasting too many times Commit: https://github.com/vim/vim/commit/eeed1c7ae090c17f4df51cf97b2a9e4d8b4f4dc7 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Oct 10 12:35:17 2021 +0100 patch 8.2.3492: crash when pasting too many times Problem: Crash when pasting too many times. Solution: Limit the size to what fits in an int. (closes https://github.com/vim/vim/issues/8962)
author Bram Moolenaar <Bram@vim.org>
date Sun, 10 Oct 2021 13:45:04 +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;