AST tmp2165_AST_in = (AST)_t;
AST tmp2169_AST_in = (AST)_t;
	public final void data_relation(AST _t) throws RecognitionException {				AST data_relation_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t928 = _t;		AST tmp2159_AST_in = (AST)_t;		match(_t,DATARELATION);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case ID:		{			AST tmp2160_AST_in = (AST)_t;			match(_t,ID);			_t = _t.getNextSibling();			break;		}		case FOR:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		AST tmp2161_AST_in = (AST)_t;		match(_t,FOR);		_t = _t.getNextSibling();		AST tmp2162_AST_in = (AST)_t;		match(_t,RECORD_NAME);		_t = _t.getNextSibling();		AST tmp2163_AST_in = (AST)_t;		match(_t,COMMA);		_t = _t.getNextSibling();		AST tmp2164_AST_in = (AST)_t;		match(_t,RECORD_NAME);		_t = _t.getNextSibling();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case RELATIONFIELDS:		{			field_mapping_phrase(_t);			_t = _retTree;			break;		}		case 3:		case REPOSITION:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case REPOSITION:		{			AST tmp2165_AST_in = (AST)_t;			match(_t,REPOSITION);			_t = _t.getNextSibling();			break;		}		case 3:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		_t = __t928;		_t = _t.getNextSibling();		_retTree = _t;	}