[macruby-changes] [MacRuby/MacRuby] 729bf7: fix a bug in defined?(super) which returns the inc...

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/MacRuby/MacRuby
  Commit: 729bf78935279199e20ba377b7a2a8e91a89980e
      https://github.com/MacRuby/MacRuby/commit/729bf78935279199e20ba377b7a2a8e91a89980e
  Author: Watson <watson1978 at gmail.com>
  Date:   2013-06-16 (Sun, 16 Jun 2013)

  Changed paths:
    M vm.cpp

  Log Message:
  -----------
  fix a bug in defined?(super) which returns the incorrect value if use in included module

Test Code:
----
module Stuff
  def foo
    puts "In Stuff#foo"
    if defined?(super)
      puts "Calling super"
      super
    else
      puts "No super"
    end
  end
end

module OtherStuff
  def foo
    puts "In OtherStuff#foo"
    p defined?(super)
  end
end

class NoSuper
  include Stuff
end
NoSuper.new.foo

class WithSuper
  include OtherStuff
  include Stuff
end
WithSuper.new.foo

Result
----
$ macruby t.rb
In Stuff#foo
Calling super
/Volumes/Mac/Users/watson/tmp/t.rb:6:in `foo': super: no superclass method `foo' for #<NoSuper:0x4001a33a0> (NoMethodError)
	from /Volumes/Mac/Users/watson/tmp/t.rb:23:in `<main>'

Expected
----
$ ruby t.rb
In Stuff#foo
No super
In Stuff#foo
Calling super
In OtherStuff#foo
nil