new get_type_by_class_name helper for space

sorely needed, with 36 occurences replaced

test/mom/helper.rb

@@ -16,7 +16,7 @@ module Risc
     end
     # test hack to in place change object type
     def add_space_field(name,type)
-      class_type = Parfait.object_space.get_class_by_name(:Space).instance_type
+      class_type = Parfait.object_space.get_type_by_class_name(:Space)
       class_type.send(:private_add_instance_variable, name , type)
     end
     def produce_body

test/parfait/helper.rb

@@ -8,7 +8,7 @@ module Parfait
       @space = Parfait.object_space
     end
     def make_method
-      @obj = Parfait.object_space.get_class_by_name(:Object).instance_type
+      @obj = Parfait.object_space.get_type_by_class_name(:Object)
       @args = Parfait::Type.for_hash( @obj.object_class , { bar: :Integer , foo: :Type})
       @frame = Parfait::Type.for_hash( @obj.object_class , { local_bar: :Integer , local_foo: :Type})
       @method = Parfait::CallableMethod.new( @obj , :meth , @args , @frame)

test/parfait/type/test_method_api.rb

@@ -14,15 +14,15 @@ module Parfait
     end
     def foo_method( for_class = :Try)
       args = Parfait::Type.for_hash( @try_class , { bar: :Integer})
-      ::Parfait::CallableMethod.new( @space.get_class_by_name(for_class).instance_type , :foo , args,empty_frame)
+      ::Parfait::CallableMethod.new( @space.get_type_by_class_name(for_class) , :foo , args,empty_frame)
     end
     def add_foo_to( clazz = :Try )
       foo = foo_method( clazz )
-      assert_equal foo , @space.get_class_by_name(clazz).instance_type.add_method(foo)
+      assert_equal foo , @space.get_type_by_class_name(clazz).add_method(foo)
       foo
     end
     def object_type
-      @space.get_class_by_name(:Object).instance_type
+      @space.get_type_by_class_name(:Object)
     end
     def test_new_methods
       assert_equal Parfait::List , @try_type.method_names.class
@@ -59,7 +59,7 @@ module Parfait
     end
     def test_get_instance
       foo = foo_method :Object
-      type = @space.get_class_by_name(:Object).instance_type
+      type = @space.get_type_by_class_name(:Object)
       type.add_method(foo)
       assert_equal :foo , type.get_method(:foo).name
     end

test/rubyx/test_rubyx_compiler.rb

@@ -36,9 +36,9 @@ module RubyX
     end
 
     def test_space_type_is_unchanged_by_compile
-      space1 = Parfait.object_space.get_class_by_name(:Space).instance_type
+      space1 = Parfait.object_space.get_type_by_class_name(:Space)
       ruby_to_vool  "class Space ;end"
-      space2 = Parfait.object_space.get_class_by_name(:Space).instance_type
+      space2 = Parfait.object_space.get_type_by_class_name(:Space)
       assert_equal space1 , space2
     end
 

test/rubyx/test_rubyx_compiler1.rb

@@ -25,9 +25,9 @@ module RubyX
     end
 
     def test_space_type_is_unchanged_by_compile
-      space1 = Parfait.object_space.get_class_by_name(:Space).instance_type
+      space1 = Parfait.object_space.get_type_by_class_name(:Space)
       ruby_to_vool  "class Space ;end"
-      space2 = Parfait.object_space.get_class_by_name(:Space).instance_type
+      space2 = Parfait.object_space.get_type_by_class_name(:Space)
       assert_equal space1 , space2
     end