_t = __t332;
_t = __t336;
	public final void field(AST _t) throws RecognitionException {				AST field_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t332 = _t;		AST tmp57_AST_in = (AST)_t;		match(_t,Field_ref);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case INPUT:		{			AST tmp58_AST_in = (AST)_t;			match(_t,INPUT);			_t = _t.getNextSibling();			break;		}		case BROWSE:		case FRAME:		case ID:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case FRAME:		{			AST __t335 = _t;			AST tmp59_AST_in = (AST)_t;			match(_t,FRAME);			_t = _t.getFirstChild();			AST tmp60_AST_in = (AST)_t;			match(_t,ID);			_t = _t.getNextSibling();			_t = __t335;			_t = _t.getNextSibling();			break;		}		case BROWSE:		{			AST __t336 = _t;			AST tmp61_AST_in = (AST)_t;			match(_t,BROWSE);			_t = _t.getFirstChild();			AST tmp62_AST_in = (AST)_t;			match(_t,ID);			_t = _t.getNextSibling();			_t = __t336;			_t = _t.getNextSibling();			break;		}		case ID:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		AST tmp63_AST_in = (AST)_t;		match(_t,ID);		_t = _t.getNextSibling();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case Array_subscript:		{			array_subscript(_t);			_t = _retTree;			break;		}		case 3:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		_t = __t332;		_t = _t.getNextSibling();		_retTree = _t;	}