view src/libvterm/find-wide-chars.pl @ 22306:86696c617f70 v8.2.1702

patch 8.2.1702: crash when using undo after deleting folded lines Commit: https://github.com/vim/vim/commit/da697645d5917eb3d4168c06c3442bef9fb746bf Author: Bram Moolenaar <Bram@vim.org> Date: Thu Sep 17 19:36:04 2020 +0200 patch 8.2.1702: crash when using undo after deleting folded lines Problem: Crash when using undo after deleting folded lines. Solution: Check for NULL pointer. (closes https://github.com/vim/vim/issues/6968)
author Bram Moolenaar <Bram@vim.org>
date Thu, 17 Sep 2020 19:45:04 +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;