view src/libvterm/find-wide-chars.pl @ 31622:1102f4777518 v9.0.1143

patch 9.0.1143: invalid memory access with bad 'statusline' value Commit: https://github.com/vim/vim/commit/7b17eb4b063a234376c1ec909ee293e42cff290c Author: Bram Moolenaar <Bram@vim.org> Date: Wed Jan 4 14:31:49 2023 +0000 patch 9.0.1143: invalid memory access with bad 'statusline' value Problem: Invalid memory access with bad 'statusline' value. Solution: Avoid going over the NUL at the end.
author Bram Moolenaar <Bram@vim.org>
date Wed, 04 Jan 2023 15:45:05 +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;