[Pyrex] Returning extension objects...

[Brian Myers]

Hi all,

Coming back to this project after about 6 month's absence. This  
method is within an rdbms_decimalcontext object:

     cdef rdbms_decimal setres(self, rdbms_decimal res):
         cdef rdbms_decimal r
         if res is None:
             r = self.pyx_create_decimal()
         else:
             res.context = self
             r = res
         return r

This generates the following C code:

static struct __pyx_obj_8decimals_rdbms_decimal  
*__pyx_f_8decimals_20rdbms_decimalcontext_setres(struct  
__pyx_obj_8decimals_rdbms_decimalcontext *__pyx_v_self,struct  
__pyx_obj_8decimals_rdbms_decimal *__pyx_v_res) {
   struct __pyx_obj_8decimals_rdbms_decimal *__pyx_v_r;
   struct __pyx_obj_8decimals_rdbms_decimal *__pyx_r;
   int __pyx_1;
   PyObject *__pyx_2 = 0;
   Py_INCREF(__pyx_v_self);
   Py_INCREF(__pyx_v_res);
   __pyx_v_r = (void *)Py_None; Py_INCREF((PyObject *) __pyx_v_r);

   /* "/Users/Shared/py_decNumber/decimals.pyx":166 */
   __pyx_1 = ((PyObject *)__pyx_v_res) == Py_None;
   if (__pyx_1) {

     /* "/Users/Shared/py_decNumber/decimals.pyx":167 */
     __pyx_2 = ((PyObject *)((struct  
__pyx_vtabstruct_8decimals_rdbms_decimalcontext *)__pyx_v_self- 
 >__pyx_vtab)->pyx_create_decimal(__pyx_v_self)); if (!__pyx_2)  
{__pyx_filename = __pyx_f[0]; __pyx_lineno = 167; goto __pyx_L1;}
     Py_DECREF(((PyObject *)__pyx_v_r));
     __pyx_v_r = __pyx_2;
     __pyx_2 = 0;
     goto __pyx_L2;
   }
   /*else*/ {

     /* "/Users/Shared/py_decNumber/decimals.pyx":169 */
     Py_INCREF(((PyObject *)__pyx_v_self));
     Py_DECREF(((PyObject *)__pyx_v_res->context));
     ((PyObject *)__pyx_v_res->context) = ((PyObject *)__pyx_v_self);

     /* "/Users/Shared/py_decNumber/decimals.pyx":170 */
     Py_INCREF(((PyObject *)__pyx_v_res));
     Py_DECREF(((PyObject *)__pyx_v_r));
     __pyx_v_r = ((PyObject *)__pyx_v_res);
   }
   __pyx_L2:;

   /* "/Users/Shared/py_decNumber/decimals.pyx":171 */
   Py_INCREF(((PyObject *)__pyx_v_r));
   __pyx_r = (struct __pyx_obj_8decimals_rdbms_decimal *)((PyObject *) 
__pyx_v_r);
   goto __pyx_L0;

   __pyx_r = (void *)Py_None; Py_INCREF((PyObject *) __pyx_r);
   goto __pyx_L0;
   __pyx_L1:;
   Py_XDECREF(__pyx_2);
   __Pyx_AddTraceback("decimals.rdbms_decimalcontext.setres");
   __pyx_r = 0;
   __pyx_L0:;
   Py_DECREF(__pyx_v_r);
   Py_DECREF(__pyx_v_self);
   Py_DECREF(__pyx_v_res);
   return ((struct __pyx_obj_8decimals_rdbms_decimal *)__pyx_r) ;
}

Generates the following warnings:

decimals.c: In function  
'__pyx_f_8decimals_20rdbms_decimalcontext_setres':
decimals.c:530: warning: assignment from incompatible pointer type
decimals.c:539: warning: target of assignment not really an lvalue;  
this will be a hard error in the future
decimals.c:544: warning: assignment from incompatible pointer type

I've bolded the statements that correspond to warnings. Are these  
warnings common, or even a problem? Is the lvalue warning fixed in  
pyrex 0.9.4.1? If so, any idea when the DarwinPorts maintainer might  
get the update out?

Thanx,

Brian

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