Revert "Merge pull request #46 from byroot/use-forward-send"

This reverts commit 2420b69, reversing
changes made to 244c2c9.

Author: hsbt

lib/delegate.rb

@@ -405,14 +405,6 @@ def DelegateClass(superclass, &block)
   protected_instance_methods -= ignores
   public_instance_methods = superclass.public_instance_methods
   public_instance_methods -= ignores
-
-  instance_methods = (public_instance_methods + protected_instance_methods)
-  normal, special = instance_methods.partition { |m| m.match?(/\A[a-zA-Z]\w*[!\?]?\z/) }
-
-  source = normal.map do |method|
-    "def #{method}(...); __getobj__.#{method}(...); end"
-  end
-
   klass.module_eval do
     def __getobj__ # :nodoc:
       unless defined?(@delegate_dc_obj)
@@ -421,21 +413,18 @@ def __getobj__ # :nodoc:
       end
       @delegate_dc_obj
     end
-
     def __setobj__(obj)  # :nodoc:
       __raise__ ::ArgumentError, "cannot delegate to self" if self.equal?(obj)
       @delegate_dc_obj = obj
     end
-
-    class_eval(source.join(";"), __FILE__, __LINE__)
-
-    special.each do |method|
+    protected_instance_methods.each do |method|
+      define_method(method, Delegator.delegating_block(method))
+      protected method
+    end
+    public_instance_methods.each do |method|
       define_method(method, Delegator.delegating_block(method))
     end
-
-    protected(*protected_instance_methods)
   end
-
   klass.define_singleton_method :public_instance_methods do |all=true|
     super(all) | superclass.public_instance_methods
   end