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py/parse: Move function to check for const parse node to parse.[ch].

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Damien George
2016-11-13 15:32:05 +11:00
parent 3f8bb80eb2
commit b0cbfb0492
3 changed files with 20 additions and 18 deletions
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10
py/parse.c
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@@ -234,6 +234,16 @@ mp_parse_node_t mp_parse_node_new_leaf(size_t kind, mp_int_t arg) {
return (mp_parse_node_t)(kind | (arg << 4));
}
bool mp_parse_node_is_const_false(mp_parse_node_t pn) {
return MP_PARSE_NODE_IS_TOKEN_KIND(pn, MP_TOKEN_KW_FALSE)
|| (MP_PARSE_NODE_IS_SMALL_INT(pn) && MP_PARSE_NODE_LEAF_SMALL_INT(pn) == 0);
}
bool mp_parse_node_is_const_true(mp_parse_node_t pn) {
return MP_PARSE_NODE_IS_TOKEN_KIND(pn, MP_TOKEN_KW_TRUE)
|| (MP_PARSE_NODE_IS_SMALL_INT(pn) && MP_PARSE_NODE_LEAF_SMALL_INT(pn) != 0);
}
bool mp_parse_node_get_int_maybe(mp_parse_node_t pn, mp_obj_t *o) {
if (MP_PARSE_NODE_IS_SMALL_INT(pn)) {
*o = MP_OBJ_NEW_SMALL_INT(MP_PARSE_NODE_LEAF_SMALL_INT(pn));