py/objarray: Allow to create array of void pointers, as extension to CPython.

pfalcon · pfalcon · commit 91fc075a33a6 · 2015-10-12T10:13:51.000+03:00
Using 'P' format specifier (matches struct module). This is another shortcut
for FFI, just as previously introduced "array of objects" ('O').
diff --git a/py/binary.c b/py/binary.c
@@ -145,6 +145,9 @@ mp_obj_t mp_binary_get_val_array(char typecode, void *p, mp_uint_t index) {
         // Extension to CPython: array of objects
         case 'O':
             return ((mp_obj_t*)p)[index];
+        // Extension to CPython: array of pointers
+        case 'P':
+            return mp_obj_new_int((mp_int_t)((void**)p)[index]);
     }
     return MP_OBJ_NEW_SMALL_INT(val);
 }
@@ -369,5 +372,8 @@ void mp_binary_set_val_array_from_int(char typecode, void *p, mp_uint_t index, m
             ((double*)p)[index] = val;
             break;
 #endif
+        // Extension to CPython: array of pointers
+        case 'P':
+            ((void**)p)[index] = (void*)val;
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -145,6 +145,9 @@ mp_obj_t mp_binary_get_val_array(char typecode, void *p, mp_uint_t index) {`
`145`	`145`	`// Extension to CPython: array of objects`
`146`	`146`	`case 'O':`
`147`	`147`	`return ((mp_obj_t*)p)[index];`
	`148`	`+ // Extension to CPython: array of pointers`
	`149`	`+ case 'P':`
	`150`	`+ return mp_obj_new_int((mp_int_t)((void**)p)[index]);`
`148`	`151`	`}`
`149`	`152`	`return MP_OBJ_NEW_SMALL_INT(val);`
`150`	`153`	`}`
`@@ -369,5 +372,8 @@ void mp_binary_set_val_array_from_int(char typecode, void *p, mp_uint_t index, m`
`369`	`372`	`((double*)p)[index] = val;`
`370`	`373`	`break;`
`371`	`374`	`#endif`
	`375`	`+ // Extension to CPython: array of pointers`
	`376`	`+ case 'P':`
	`377`	`+ ((void*)p)[index] = (void)val;`
`372`	`378`	`}`
`373`	`379`	`}`