Method parseErrorAndFinally

www/js/_hyperscript.esm.js:705–717

* 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 };
  }
};

// src/parsetree/internals.js