@cython.cclass decorator for class

Cython/Compiler/Nodes.py

@@ -546,6 +546,9 @@ class CFuncDeclaratorNode(CDeclaratorNode):
             if name_declarator.cname:
                 error(self.pos,
                     "Function argument cannot have C name specification")
+            if i==0 and env.is_c_class_scope and type.is_unspecified:
+                # fix the type of self
+                type = env.parent_type
             # Turn *[] argument into **
             if type.is_array:
                 type = PyrexTypes.c_ptr_type(type.base_type)

Cython/Compiler/Options.py

@@ -96,6 +96,7 @@ directive_types = {
     'internal' : bool,  # cdef class visibility in the module dict
     'infer_types' : bool, # values can be True/None/False
     'cfunc' : None, # decorators do not take directive value
+    'cclass' : None,
     }
 
 for key, val in directive_defaults.items():

Cython/Compiler/ParseTreeTransforms.py

@@ -1411,6 +1411,10 @@ class AdjustDefByDirectives(CythonTransform, SkipDeclarations):
         return node
 
     def visit_PyClassDefNode(self, node):
+        if 'cclass' in self.directives:
+            node = node.as_cclass()
+            return self.visit(node)
+        else:
             old_in_pyclass = self.in_py_class
             self.in_py_class = True
             self.visitchildren(node)

Cython/Shadow.py

@@ -23,7 +23,7 @@ class _EmptyDecoratorAndManager(object):
     def __exit__(self, exc_type, exc_value, traceback):
         pass
 
-cfunc = _EmptyDecoratorAndManager()
+cclass = cfunc = _EmptyDecoratorAndManager()
 
 def inline(f, *args, **kwds):
   if isinstance(f, basestring):

tests/errors/cdef_in_pyclass.pyx

+class Pyclass(object):
+    cdef bad(self):
+        pass
+
+_ERRORS = """
+ 2:9: cdef statement not allowed here
+"""

tests/errors/cfunc_directive_in_pyclass.pyx

+import cython
+
+class Pyclass(object):
+    @cython.cfunc
+    def bad(self):
+        pass
+
+_ERRORS = """
+ 5:4: cfunc directive is not allowed here
+"""

tests/run/purecdef.py

 import cython
-from cython import cfunc
+from cython import cfunc, cclass
 
 @cython.test_assert_path_exists('//CFuncDefNode')
 @cython.cfunc
@@ -28,9 +28,50 @@ with cfunc:
     def fwith2(a):
         return a*4
 
+with cclass:
+    @cython.test_assert_path_exists('//CClassDefNode')
+    class Egg(object):
+        pass
+    @cython.test_assert_path_exists('//CClassDefNode')
+    class BigEgg(object):
+        @cython.test_assert_path_exists('//CFuncDefNode')
+        @cython.cfunc
+        def f(self, a):
+            return a*10
+
 def test_with():
     """
     >>> test_with()
-    (3, 4)
+    (3, 4, 50)
+    """
+    return fwith1(1), fwith2(1), BigEgg().f(5)
+
+@cython.test_assert_path_exists('//CClassDefNode')
+@cython.cclass
+class PureFoo(object):
+    a = cython.declare(cython.double)
+
+    def __init__(self, a):
+        self.a = a
+
+    def __call__(self):
+        return self.a
+
+    @cython.test_assert_path_exists('//CFuncDefNode')
+    @cython.cfunc
+    def puremeth(self, a):
+        return a*2
+
+def test_method():
+    """
+    >>> test_method()
+    4
+    True
     """
-    return fwith1(1), fwith2(1)
+    x = PureFoo(2)
+    print(x.puremeth(2))
+    if cython.compiled:
+        print(isinstance(x(), float))
+    else:
+        print(True)
+    return