public final BindingContext binding() throws RecognitionException {
		BindingContext _localctx = new BindingContext(_ctx, getState());
		enterRule(_localctx, 132, RULE_binding);
		int _la;
		try {
			enterOuterAlt(_localctx, 1);
			{
			setState(1461); match(ID);
			setState(1464);
			_la = _input.LA(1);
			if (_la==T__45) {
				{
				setState(1462); match(T__45);
				setState(1463); match(ID);
				}
			}

			setState(1466); match(T__50);
			setState(1467); exp(0);
			}
		}
		catch (RecognitionException re) {
			_localctx.exception = re;
			_errHandler.reportError(this, re);
			_errHandler.recover(this, re);
		}
		finally {
			exitRule();
		}
		return _localctx;
	}