Method parseErrorAndFinally

tools/common/_hyperscript.iife.js:700–712

* 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