From 7ae4b858b3ab7b51a6bda388414adf27fd71c23b Mon Sep 17 00:00:00 2001
From: Alexis Bernard <alexis@bernard.io>
Date: Mon, 4 Nov 2024 18:34:23 +0100
Subject: [ruby/rdoc] Display class ancestors in the sidebar #1183

https://github.com/ruby/rdoc/commit/50dda13426
---
 lib/rdoc/code_object/class_module.rb | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'lib/rdoc/code_object/class_module.rb')

diff --git a/lib/rdoc/code_object/class_module.rb b/lib/rdoc/code_object/class_module.rb
index a99acb8956..9230c46983 100644
--- a/lib/rdoc/code_object/class_module.rb
+++ b/lib/rdoc/code_object/class_module.rb
@@ -711,6 +711,20 @@ class RDoc::ClassModule < RDoc::Context
     @superclass = superclass
   end
 
+  ##
+  # Get all super classes of this class in an array. The last element might be
+  # a string if the name is unknown.
+
+  def super_classes
+    result = []
+    parent = self
+    while parent = parent.superclass
+      result << parent
+      return result if parent.is_a?(String)
+    end
+    result
+  end
+
   def to_s # :nodoc:
     if is_alias_for then
       "#{self.class.name} #{self.full_name} -> #{is_alias_for}"
-- 
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