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/attr.rb | 142 ++++++++++++++-----------------------------------------
 1 file changed, 36 insertions(+), 106 deletions(-)

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

diff --git a/lib/rdoc/attr.rb b/lib/rdoc/attr.rb
index 9b8c4562c2..97fac3222d 100644
--- a/lib/rdoc/attr.rb
+++ b/lib/rdoc/attr.rb
@@ -1,104 +1,71 @@
-require 'rdoc/code_object'
+require 'rdoc/method_attr'
 
 ##
 # An attribute created by \#attr, \#attr_reader, \#attr_writer or
 # \#attr_accessor
 
-class RDoc::Attr < RDoc::CodeObject
+class RDoc::Attr < RDoc::MethodAttr
 
-  MARSHAL_VERSION = 0 # :nodoc:
+  MARSHAL_VERSION = 1 # :nodoc:
 
   ##
-  # Name of the attribute
-
-  attr_accessor :name
-
-  ##
-  # Is the attribute readable, writable or both?
+  # Is the attribute readable ('R'), writable ('W') or both ('RW')?
 
   attr_accessor :rw
 
   ##
-  # Source file token stream
+  # Creates a new Attr with body +text+, +name+, read/write status +rw+ and
+  # +comment+.  +singleton+ marks this as a class attribute.
 
-  attr_accessor :text
+  def initialize(text, name, rw, comment, singleton = false)
+    super text, name
 
-  ##
-  # public, protected, private
-
-  attr_accessor :visibility
-
-  def initialize(text, name, rw, comment)
-    super()
-    @text = text
-    @name = name
     @rw = rw
-    @visibility = :public
+    @singleton = singleton
     self.comment = comment
   end
 
   ##
-  # Attributes are ordered by name
-
-  def <=>(other)
-    self.name <=> other.name
-  end
-
-  ##
-  # Attributes are equal when their names and rw is identical
+  # Attributes are equal when their names, singleton and rw are identical
 
   def == other
     self.class == other.class and
       self.name == other.name and
-      self.rw == other.rw
+      self.rw == other.rw and
+      self.singleton == other.singleton
   end
 
   ##
-  # Returns nil, for duck typing with RDoc::AnyMethod
+  # Add +an_alias+ as an attribute in +context+.
 
-  def arglists
-  end
-
-  ##
-  # Returns nil, for duck typing with RDoc::AnyMethod
+  def add_alias(an_alias, context)
+    new_attr = self.class.new(self.text, an_alias.new_name, self.rw,
+                              self.comment, self.singleton)
 
-  def block_params
+    new_attr.record_location an_alias.file
+    new_attr.visibility = self.visibility
+    new_attr.is_alias_for = self
+    @aliases << new_attr
+    context.add_attribute new_attr
+    new_attr
   end
 
   ##
-  # Returns nil, for duck typing with RDoc::AnyMethod
+  # The #aref prefix for attributes
 
-  def call_seq
+  def aref_prefix
+    'attribute'
   end
 
   ##
-  # Partially bogus as Attr has no parent.  For duck typing with
-  # RDoc::AnyMethod.
+  # Returns attr_reader, attr_writer or attr_accessor as appropriate.
 
-  def full_name
-    @full_name ||= "#{@parent ? @parent.full_name : '(unknown)'}##{name}"
-  end
-
-  ##
-  # An HTML id-friendly representation of #name
-
-  def html_name
-    @name.gsub(/[^a-z]+/, '-')
-  end
-
-  def inspect # :nodoc:
-    attr = case rw
-           when 'RW' then :attr_accessor
-           when 'R'  then :attr_reader
-           when 'W'  then :attr_writer
-           else
-               " (#{rw})"
-           end
-
-      "#<%s:0x%x %s.%s :%s>" % [
-        self.class, object_id,
-        parent_name, attr, @name,
-      ]
+  def definition
+    case @rw
+    when 'RW' then 'attr_accessor'
+    when 'R'  then 'attr_reader'
+    when 'W'  then 'attr_writer'
+    end
   end
 
   ##
@@ -111,11 +78,12 @@ class RDoc::Attr < RDoc::CodeObject
       @rw,
       @visibility,
       parse(@comment),
+      singleton,
     ]
   end
 
   ##
-  # Loads this AnyMethod from +array+.  For a loaded AnyMethod the following
+  # Loads this Attr from +array+.  For a loaded Attr the following
   # methods will return cached values:
   #
   # * #full_name
@@ -127,51 +95,13 @@ class RDoc::Attr < RDoc::CodeObject
     @rw         = array[3]
     @visibility = array[4]
     @comment    = array[5]
+    @singleton  = array[6] || false # MARSHAL_VERSION == 0
 
     @parent_name = @full_name
   end
 
-  ##
-  # Name of our parent with special handling for un-marshaled methods
-
-  def parent_name
-    @parent_name || super
-  end
-
-  ##
-  # For duck typing with RDoc::AnyMethod, returns nil
-
-  def params
-    nil
-  end
-
-  ##
-  # URL path for this attribute
-
-  def path
-    "#{@parent.path}##{@name}"
-  end
-
-  ##
-  # For duck typing with RDoc::AnyMethod
-
-  def singleton
-    false
-  end
-
   def to_s # :nodoc:
-    "#{type} #{name}\n#{comment}"
-  end
-
-  ##
-  # Returns attr_reader, attr_writer or attr_accessor as appropriate
-
-  def type
-    case @rw
-    when 'RW' then 'attr_accessor'
-    when 'R'  then 'attr_reader'
-    when 'W'  then 'attr_writer'
-    end
+    "#{definition} #{name} in: #{parent}"
   end
 
 end
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