Function yaml_parser_fetch_anchor

external/libyaml/src/scanner.c:1783–1807

 */

static int
yaml_parser_fetch_anchor(yaml_parser_t *parser, yaml_token_type_t type)
{
    yaml_token_t token;

    /* An anchor or an alias could be a simple key. */

    if (!yaml_parser_save_simple_key(parser))
        return 0;

    /* A simple key cannot follow an anchor or an alias. */

    parser->simple_key_allowed = 0;

    /* Create the ALIAS or ANCHOR token and append it to the queue. */

    if (!yaml_parser_scan_anchor(parser, &token, type))
        return 0;

    if (!ENQUEUE(parser, parser->tokens, token)) {
        yaml_token_delete(&token);
        return 0;
    }
    return 1;
}

/*
 * Produce the TAG token.