From: "shugo (Shugo Maeda)" <redmine@...>
Date: 2013-01-02T10:30:31+09:00
Subject: [ruby-core:51217] [ruby-trunk - Bug #7643][Feedback] call to super in define_method in refine results in stack level too deep


Issue #7643 has been updated by shugo (Shugo Maeda).

Status changed from Open to Feedback
Assignee set to shugo (Shugo Maeda)

Hi,

beatrichartz (Beat Richartz) wrote:
> When define_method is used within the refine block argument, calls to super will result in a stack level too deep. Definitions with def can call super without problems.

r38126 is too old.  Please try the latest revision, where Module#using is removed.

The following modified program doesn't cause a stack level too deep error in my Ubuntu box (ruby 2.0.0dev (2012-12-29 trunk 38655) [i686-linux]):

  require 'refinement'
  module A
    refine Fixnum do
      %i(+ -).each do |m|
        define_method m do |other|
          super(other)
        end
      end
  
      def * other
        super(other)
      end
    end
  end
  
  using A
  
  class B
    def working
      puts 'working'
      1 * 1
    end
  
    def error
      puts 'stack level too deep'
      1 + 1
    end
  
  end
  
  puts B.new.working
  puts B.new.error

----------------------------------------
Bug #7643: call to super in define_method in refine results in stack level too deep
https://bugs.ruby-lang.org/issues/7643#change-35176

Author: beatrichartz (Beat Richartz)
Status: Feedback
Priority: Normal
Assignee: shugo (Shugo Maeda)
Category: 
Target version: 
ruby -v: ruby 2.0.0dev (2012-12-01 trunk 38126) [x86_64-darwin12.2.1]


=begin
When define_method is used within the refine block argument, calls to super will result in a stack level too deep. Definitions with def can call super without problems.

(({module A
  refine Fixnum do
    %i(+ -).each do |m|
      define_method m do |other|
        super(other)
      end
    end
    
    def * other
      super(other)
    end
  end
end

class B
  using A
  
  def working
    puts 'working'
    1 * 1
  end
  
  def error
    puts 'stack level too deep'
    1 + 1
  end
  
end

puts B.new.working
puts B.new.error}))

=end



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