add parfait block

lib/parfait/block.rb

@@ -0,0 +1,23 @@
+module Parfait
+
+  # A Block is a callable object, much like a CallableMethod.
+  # Surprisingly similar in fact, as the block is really only missing the name.
+  #
+  # The difference lies mostly in the way they are compiled
+  #
+  # Also both have a list of blocks defined in their scope. But this is
+  # notimplemented for blocks yet
+  #
+  class Block < Callable
+
+    def ==(other)
+      return false unless other.is_a?(Block)
+      super
+    end
+
+    def inspect
+      "#{@self_type.object_class.name}(#{arguments_type.inspect})"
+    end
+
+  end
+end

lib/parfait/callable_method.rb

@@ -36,5 +36,24 @@ module Parfait
       block.call( self )
       @next.each_method( &block ) if @next
     end
+
+    def create_block(args , frame)
+      bl = Block.new(self_type , args , frame)
+      block = self.blocks
+      bl.next = block if(block)
+      @blocks = bl
+    end
+
+    def has_block(block)
+      each_block{ |bl| return true if bl == block}
+      false
+    end
+    def each_block(&bl)
+      blo = blocks
+      while( blo )
+        yield(blo)
+        blo = blo.next
+      end
+    end
   end
 end