Method parseErrorAndFinally

src/parsetree/base.js:129–141

* Parse optional catch/finally blocks after a command list. * Returns { errorHandler, errorSymbol, finallyHandler }

(parser)

     * Returns { errorHandler, errorSymbol, finallyHandler }
     */
    static parseErrorAndFinally(parser) {
        var errorSymbol, errorHandler, finallyHandler;
        if (parser.matchToken("catch")) {
            errorSymbol = parser.requireTokenType("IDENTIFIER").value;
            errorHandler = parser.requireElement("commandList");
            parser.ensureTerminated(errorHandler);
        }
        if (parser.matchToken("finally")) {
            finallyHandler = parser.requireElement("commandList");
            parser.ensureTerminated(finallyHandler);
        }
        return { errorHandler, errorSymbol, finallyHandler };
    }
}