From d1cc47909e831a062728eda73cc12cbf6a735bd4 Mon Sep 17 00:00:00 2001
From: tompng <tomoyapenguin@gmail.com>
Date: Thu, 16 Jan 2025 00:38:16 +0900
Subject: [PATCH] Colorize backref token bold green like global variables

---
 lib/irb/color.rb       | 1 +
 test/irb/test_color.rb | 1 +
 2 files changed, 2 insertions(+)

diff --git a/lib/irb/color.rb b/lib/irb/color.rb
index fca942b28..a7e311087 100644
--- a/lib/irb/color.rb
+++ b/lib/irb/color.rb
@@ -41,6 +41,7 @@ module Color
         on_embvar:          [[RED],                   ALL],
         on_float:           [[MAGENTA, BOLD],         ALL],
         on_gvar:            [[GREEN, BOLD],           ALL],
+        on_backref:         [[GREEN, BOLD],           ALL],
         on_heredoc_beg:     [[RED],                   ALL],
         on_heredoc_end:     [[RED],                   ALL],
         on_ident:           [[BLUE, BOLD],            Ripper::EXPR_ENDFN],
diff --git a/test/irb/test_color.rb b/test/irb/test_color.rb
index 9d78f5233..45c489552 100644
--- a/test/irb/test_color.rb
+++ b/test/irb/test_color.rb
@@ -102,6 +102,7 @@ def test_colorize_code
         "\t" => Reline::Unicode.escape_for_print("\t") == '  ' ? '  ' : "\t", # not ^I
         "foo(*%W(bar))" => "foo(*#{RED}#{BOLD}%W(#{CLEAR}#{RED}bar#{CLEAR}#{RED}#{BOLD})#{CLEAR})",
         "$stdout" => "#{GREEN}#{BOLD}$stdout#{CLEAR}",
+        "$&" => "#{GREEN}#{BOLD}$&#{CLEAR}",
         "__END__" => "#{GREEN}__END__#{CLEAR}",
         "foo\n__END__\nbar" => "foo\n#{GREEN}__END__#{CLEAR}\nbar",
         "foo\n<<A\0\0bar\nA\nbaz" => "foo\n#{RED}<<A#{CLEAR}^@^@bar\n#{RED}A#{CLEAR}\nbaz",