Function recordError

scripts/libs/esprima.js:2025–2038

(error)

    function recordError(error) {
        var e, existing;

        for (e = 0; e < extra.errors.length; e++) {
            existing = extra.errors[e];
            // Prevent duplicated error.
            /* istanbul ignore next */
            if (existing.index === error.index && existing.message === error.message) {
                return;
            }
        }

        extra.errors.push(error);
    }

    function createError(line, pos, description) {
        var error = new Error('Line ' + line + ': ' + description);