Method raiseExpected

src/core/parser.js:234–239

(...expected)

    }

    raiseExpected(...expected) {
        var msg = expected.length === 1
            ? "Expected '" + expected[0] + "' but found '" + this.currentToken().value + "'"
            : "Expected one of: " + expected.map(e => "'" + e + "'").join(", ");
        this.raiseError(msg, expected);
    }

    // ===========================
    // Parser-owned methods