AST tmp1288_AST_in = (AST)_t;
AST tmp1292_AST_in = (AST)_t;
	public final void atphrase(AST _t) throws RecognitionException {				AST atphrase_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t1648 = _t;		AST tmp1285_AST_in = (AST)_t;		match(_t,AT);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		if ((_tokenSet_21.member(_t.getType()))) {			atphraseab(_t);			_t = _retTree;			atphraseab(_t);			_t = _retTree;		}		else if ((_tokenSet_3.member(_t.getType()))) {			expression(_t);			_t = _retTree;		}		else {			throw new NoViableAltException(_t);		}				}		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case COLONALIGNED:		{			AST tmp1286_AST_in = (AST)_t;			match(_t,COLONALIGNED);			_t = _t.getNextSibling();			break;		}		case LEFTALIGNED:		{			AST tmp1287_AST_in = (AST)_t;			match(_t,LEFTALIGNED);			_t = _t.getNextSibling();			break;		}		case RIGHTALIGNED:		{			AST tmp1288_AST_in = (AST)_t;			match(_t,RIGHTALIGNED);			_t = _t.getNextSibling();			break;		}		case 3:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		_t = __t1648;		_t = _t.getNextSibling();		_retTree = _t;	}