Let Symbol Table handle Cypclass types

Cython/Compiler/Symtab.py

@@ -17,7 +17,7 @@ from .Errors import warning, error, InternalError
 from .StringEncoding import EncodedString
 from . import Options, Naming
 from . import PyrexTypes
-from .PyrexTypes import py_object_type, unspecified_type
+from .PyrexTypes import py_object_type, cy_object_type, unspecified_type
 from .TypeSlots import (
     pyfunction_signature, pymethod_signature, richcmp_special_methods,
     get_special_method_signature, get_property_accessor_signature)
@@ -601,7 +601,7 @@ class Scope(object):
 
     def declare_cpp_class(self, name, scope,
             pos, cname = None, base_classes = (),
-            visibility = 'extern', templates = None):
+            visibility = 'extern', templates = None, cypclass=0):
         if cname is None:
             if self.in_cinclude or (visibility != 'private'):
                 cname = name
@@ -610,8 +610,12 @@ class Scope(object):
         base_classes = list(base_classes)
         entry = self.lookup_here(name)
         if not entry:
-            type = PyrexTypes.CppClassType(
-                name, scope, cname, base_classes, templates = templates)
+            if cypclass:
+                type = PyrexTypes.CypClassType(
+                    name, scope, cname, base_classes, templates = templates)
+            else:
+                type = PyrexTypes.CppClassType(
+                    name, scope, cname, base_classes, templates = templates)
             entry = self.declare_type(name, type, pos, cname,
                 visibility = visibility, defining = scope is not None)
             self.sue_entries.append(entry)
@@ -639,7 +643,7 @@ class Scope(object):
 
         def declare_inherited_attributes(entry, base_classes):
             for base_class in base_classes:
-                if base_class is PyrexTypes.error_type:
+                if base_class is PyrexTypes.error_type or base_class is PyrexTypes.cy_object_type:
                     continue
                 if base_class.scope is None:
                     error(pos, "Cannot inherit from incomplete type")
@@ -2465,6 +2469,8 @@ class CppClassScope(Scope):
             type.return_type = PyrexTypes.c_void_type
         if name in ('<init>', '<del>') and type.nogil:
             for base in self.type.base_classes:
+                if base is cy_object_type:
+                    continue
                 base_entry = base.scope.lookup(name)
                 if base_entry and not base_entry.type.nogil:
                     error(pos, "Constructor cannot be called without GIL unless all base constructors can also be called without GIL")