view src/libvterm/find-wide-chars.pl @ 28835:58d2315b096e v8.2.4941

patch 8.2.4941: '[ and '] marks may be wrong after undo Commit: https://github.com/vim/vim/commit/82444cefa3fef87624a078ea86a72af7ef4ef42e Author: LemonBoy <thatlemon@gmail.com> Date: Thu May 12 15:39:31 2022 +0100 patch 8.2.4941: '[ and '] marks may be wrong after undo Problem: '[ and '] marks may be wrong after undo. Solution: Adjust the '[ and '] marks if needed. (closes https://github.com/vim/vim/issues/10407, closes https://github.com/vim/vim/issues/1281)
author Bram Moolenaar <Bram@vim.org>
date Thu, 12 May 2022 16:45:03 +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;