vec_push(parser->correct_variables, correct_trie_new());
vec_push(parser->correct_variables_score, NULL);
vec_push(parser->correct_variables, correct_trie_new());
vec_push(parser->correct_variables_score, NULL);
parser->nil = ast_value_new(empty_ctx, "nil", TYPE_NIL);
parser->nil->cvq = CV_CONST;
if (OPTS_FLAG(UNTYPED_NIL))
parser->nil = ast_value_new(empty_ctx, "nil", TYPE_NIL);
parser->nil->cvq = CV_CONST;
if (OPTS_FLAG(UNTYPED_NIL))