* lib/rdoc.rb: Import RDoc 3.7 release candidate

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 31 insertions, 0 deletions

diff --git a/lib/rdoc/top_level.rb b/lib/rdoc/top_level.rb
index d0ea621f8c..b9fd5c9f6f 100644
--- a/lib/rdoc/top_level.rb
+++ b/lib/rdoc/top_level.rb
@@ -220,6 +220,20 @@ class RDoc::TopLevel < RDoc::Context
   end
 
   ##
+  # Creates a new RDoc::TopLevel with +file_name+ only if one with the same
+  # name does not exist in all_files.
+
+  def self.new file_name
+    if top_level = @all_files_hash[file_name] then
+      top_level
+    else
+      top_level = super
+      @all_files_hash[file_name] = top_level
+      top_level
+    end
+  end
+
+  ##
   # Removes from +all_hash+ the contexts that are nodoc or have no content.
   #
   # See RDoc::Context#remove_from_documentation?
@@ -296,6 +310,15 @@ class RDoc::TopLevel < RDoc::Context
   end
 
   ##
+  # An RDoc::TopLevel is equal to another with the same absolute_name
+
+  def == other
+    other.class === self and @absolute_name == other.absolute_name
+  end
+
+  alias eql? ==
+
+  ##
   # Adds +an_alias+ to +Object+ instead of +self+.
 
   def add_alias(an_alias)
@@ -376,6 +399,14 @@ class RDoc::TopLevel < RDoc::Context
   end
 
   ##
+  # An RDoc::TopLevel has the same hash as another with the same
+  # absolute_name
+
+  def hash
+    @absolute_name.hash
+  end
+
+  ##
   # URL for this with a +prefix+
 
   def http_url(prefix)