Boo.Lang.Parser.BooParserBase.interface_property_accessor C# (CSharp) Метод

        protected void interface_property_accessor(
		Property p
	)
        {
            IToken  gt = null;
            IToken  st = null;

                Method m = null;

            try {      // for error handling
            attributes();
            {
                if (((LA(1)==GET))&&( null == p.Getter ))
                {
                    {
                        gt = LT(1);
                        match(GET);
                        if (0==inputState.guessing)
                        {
                            m = p.Getter = new Method(ToLexicalInfo(gt)); m.Name = "get";
                        }
                    }
                }
                else if (((LA(1)==SET))&&( null == p.Setter )) {
                    {
                        st = LT(1);
                        match(SET);
                        if (0==inputState.guessing)
                        {
                            m = p.Setter = new Method(ToLexicalInfo(st)); m.Name = "set";
                        }
                    }
                }
                else
                {
                    throw new NoViableAltException(LT(1), getFilename());
                }

            }
            {
                switch ( LA(1) )
                {
                case EOL:
                case EOS:
                {
                    eos();
                    break;
                }
                case COLON:
                {
                    empty_block(m);
                    break;
                }
                default:
                {
                    throw new NoViableAltException(LT(1), getFilename());
                }
                 }
            }
            if (0==inputState.guessing)
            {

                        AddAttributes(m.Attributes);

            }
            }
            catch (RecognitionException ex)
            {
            if (0 == inputState.guessing)
            {
                reportError(ex, "interface_property_accessor");
                recover(ex,tokenSet_61_);
            }
            else
            {
                throw ex;
            }
            }
        }