py/parse: Replace mp_int_t/mp_uint_t with size_t etc, where appropriate.
diff --git a/py/parse.h b/py/parse.h
index b814350..0f1797a 100644
--- a/py/parse.h
+++ b/py/parse.h
@@ -70,14 +70,14 @@
 #define MP_PARSE_NODE_IS_TOKEN_KIND(pn, k) ((pn) == (MP_PARSE_NODE_TOKEN | ((k) << 4)))
 
 #define MP_PARSE_NODE_LEAF_KIND(pn) ((pn) & 0x0f)
-#define MP_PARSE_NODE_LEAF_ARG(pn) (((mp_uint_t)(pn)) >> 4)
+#define MP_PARSE_NODE_LEAF_ARG(pn) (((uintptr_t)(pn)) >> 4)
 #define MP_PARSE_NODE_LEAF_SMALL_INT(pn) (((mp_int_t)(intptr_t)(pn)) >> 1)
 #define MP_PARSE_NODE_STRUCT_KIND(pns) ((pns)->kind_num_nodes & 0xff)
 #define MP_PARSE_NODE_STRUCT_NUM_NODES(pns) ((pns)->kind_num_nodes >> 8)
 
-mp_parse_node_t mp_parse_node_new_leaf(mp_int_t kind, mp_int_t arg);
-int mp_parse_node_extract_list(mp_parse_node_t *pn, mp_uint_t pn_kind, mp_parse_node_t **nodes);
-void mp_parse_node_print(mp_parse_node_t pn, mp_uint_t indent);
+mp_parse_node_t mp_parse_node_new_leaf(size_t kind, mp_int_t arg);
+int mp_parse_node_extract_list(mp_parse_node_t *pn, size_t pn_kind, mp_parse_node_t **nodes);
+void mp_parse_node_print(mp_parse_node_t pn, size_t indent);
 
 typedef enum {
     MP_PARSE_SINGLE_INPUT,