Method raiseError

src/core/parser.js:228–232

(message, expected)

    }

    raiseError(message, expected) {
        message = message || "Unexpected Token : " + this.currentToken().value;
        var parseError = new ParseError(message, this.currentToken(), this.source, expected);
        throw new ParseRecoverySentinel(parseError);
    }

    raiseExpected(...expected) {
        var msg = expected.length === 1