rename callable to CallStatement

Callable is the Method, whereas here we call the method

lib/ruby.rb

@@ -22,7 +22,7 @@ require_relative "ruby/basic_values"
 require_relative "ruby/hash_statement"
 require_relative "ruby/method_statement"
 require_relative "ruby/ruby_compiler"
-require_relative "ruby/callable"
+require_relative "ruby/call_statement"
 require_relative "ruby/send_statement"
 require_relative "ruby/yield_statement"
 require_relative "ruby/variables"

lib/ruby/assignment.rb

@@ -11,7 +11,7 @@ module Ruby
       case value
       when Variable , Constant
         return self.vool_brother.new(name,@value.to_vool)
-      when SendStatement
+      when SendStatement , YieldStatement
         return normalize_send
       when BlockStatement
         return normalize_block
@@ -36,7 +36,7 @@ module Ruby
     # plain send
     def normalize_send
       statements = value.to_vool
-      return assignment( statements ) if statements.is_a?(Vool::SendStatement)
+      return assignment( statements ) if statements.is_a?(Vool::CallStatement)
       # send has hoisted assigns, so we make an assign out of the "pure" send
       statements << assignment(statements.statements.pop)
       statements

lib/ruby/call_statement.rb

@@ -1,6 +1,6 @@
 module Ruby
 
-  class Callable < Statement
+  class CallStatement < Statement
     attr_reader :name , :receiver , :arguments
 
     def initialize(name , receiver , arguments )

lib/ruby/send_statement.rb

@@ -1,6 +1,6 @@
 module Ruby
 
-  class SendStatement < Callable
+  class SendStatement < CallStatement
     def to_s
       "#{receiver}.#{name}(#{arguments.join(', ')})"
     end

lib/ruby/yield_statement.rb

@@ -1,6 +1,6 @@
 module Ruby
 
-  class YieldStatement < Callable
+  class YieldStatement < CallStatement
 
     def initialize(arguments)
       super("yield_#{object_id}".to_sym , SelfExpression.new , arguments)