Expose ivars and cvars on classes.

spec/tags/language/class_tags.txt

@@ -1,9 +1,4 @@
-fails:A class definition has no class variables
 fails:A class definition raises a TypeError if inheriting from a metaclass
 fails:A class definition allows the declaration of class variables in the body
-fails:A class definition stores instance variables defined in the class body in the class object
-fails:A class definition allows the declaration of class variables in a class method
-fails:A class definition allows the definition of class-level instance variables in a class method
-fails:A class definition allows the declaration of class variables in an instance method
 fails:A class definition extending an object (sclass) can use return to cause the enclosing method to return
 fails:Reopening a class raises a TypeError when superclasses mismatch

topaz.mspec

@@ -128,7 +128,6 @@ class MSpecScript
               "^#{Rubyspec}/language/BEGIN_spec.rb",
               "^#{Rubyspec}/language/alias_spec.rb",
               "^#{Rubyspec}/language/break_spec.rb",
-              "^#{Rubyspec}/language/class_spec.rb",
               "^#{Rubyspec}/language/def_spec.rb",
               "^#{Rubyspec}/language/defined_spec.rb",
               "^#{Rubyspec}/language/or_spec.rb",

topaz/celldict.py

@@ -68,6 +68,9 @@ def __deepcopy__(self, memo):
         c.version = copy.deepcopy(self.version, memo)
         return c
 
+    def __iter__(self):
+        return iter(self.values)
+
     def mutated(self):
         self.version = VersionTag()
 

topaz/objects/classobject.py

@@ -99,3 +99,11 @@ def method_allocate(self, space, args_w):
     @classdef.method("superclass")
     def method_superclass(self, space):
         return self.superclass if self.superclass is not None else space.w_nil
+
+    @classdef.method("class_variables")
+    def method_class_variables(self, space):
+        return space.newarray([space.newsymbol(cvar) for cvar in self.class_variables])
+
+    @classdef.method("instance_variables")
+    def method_instance_variables(self, space):
+        return space.newarray([space.newsymbol(ivar) for ivar in self.instance_variables])