From 2ef9c50c6e405717d06362787c4549ca4f1c6485 Mon Sep 17 00:00:00 2001
From: drbrain <drbrain@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Mon, 20 Dec 2010 03:22:49 +0000
Subject: Import RDoc 3

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30249 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 lib/rdoc/require.rb | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'lib/rdoc/require.rb')

diff --git a/lib/rdoc/require.rb b/lib/rdoc/require.rb
index 407b55af35..65d3d464da 100644
--- a/lib/rdoc/require.rb
+++ b/lib/rdoc/require.rb
@@ -16,6 +16,7 @@ class RDoc::Require < RDoc::CodeObject
   def initialize(name, comment)
     super()
     @name = name.gsub(/'|"/, "") #'
+    @top_level = nil
     self.comment = comment
   end
 
@@ -28,5 +29,25 @@ class RDoc::Require < RDoc::CodeObject
     ]
   end
 
+  def to_s # :nodoc:
+    "require #{name} in: #{parent}"
+  end
+
+  ##
+  # The RDoc::TopLevel corresponding to this require, or +nil+ if not found.
+
+  def top_level
+    @top_level ||= begin
+      tl = RDoc::TopLevel.all_files_hash[name + '.rb']
+
+      if tl.nil? and RDoc::TopLevel.all_files.first.full_name =~ %r(^lib/) then
+        # second chance
+        tl = RDoc::TopLevel.all_files_hash['lib/' + name + '.rb']
+      end
+
+      tl
+    end
+  end
+
 end
 
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