pyke/pyke.[ch]: Make type skeleton structures be read-only.

[pyke] / pyke.h

diff --git a/pyke.h b/pyke.h
index 3076bb5..138a9fb 100644 (file)
--- a/pyke.h
+++ b/pyke.h
@@ -208,11 +208,11 @@ extern void *newtype(PyTypeObject */*meta*/,
 extern void typeready(PyTypeObject *);
   /* The type object is now ready to be used. */
 
-extern PyTypeObject *inittype(PyTypeObject */*skel*/,
+extern PyTypeObject *inittype(const PyTypeObject */*skel*/,
+                             PyTypeObject */*base*/,
                              PyTypeObject */*meta*/);
   /* All-in-one function to construct a working type from a type skeleton
-   * SKEL, with metaclass META.  The caller is expected to have filled in the
-   * direct superclass in SKEL->tp_base.
+   * SKEL, with known base type BASE (null for `object') and metaclass.
    */
 
 /* Alias for built-in types, to fit in with Pyke naming conventions. */
@@ -220,8 +220,7 @@ extern PyTypeObject *inittype(PyTypeObject */*skel*/,
 #define type_pytype &PyType_Type
 
 #define INITTYPE_META(ty, base, meta) do {                             \
-  ty##_pytype_skel.tp_base = base##_pytype;                            \
-  ty##_pytype = inittype(&ty##_pytype_skel, meta##_pytype);            \
+  ty##_pytype = inittype(&ty##_pytype_skel, base##_pytype, meta##_pytype); \
 } while (0)
 #define INITTYPE(ty, base) INITTYPE_META(ty, base, type)
   /* Macros to initialize a type from its skeleton. */