_t = __t1512;
_t = __t1516;
	public final void interfacestate(AST _t) throws RecognitionException {				AST interfacestate_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t1511 = _t;		AST tmp942_AST_in = (AST)_t;		match(_t,INTERFACE);		_t = _t.getFirstChild();		AST tmp943_AST_in = (AST)_t;		match(_t,TYPE_NAME);		_t = _t.getNextSibling();		block_colon(_t);		_t = _retTree;		code_block(_t);		_t = _retTree;		AST __t1512 = _t;		AST tmp944_AST_in = (AST)_t;		match(_t,END);		_t = _t.getFirstChild();		{		if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case INTERFACE:		{			AST tmp945_AST_in = (AST)_t;			match(_t,INTERFACE);			_t = _t.getNextSibling();			break;		}		case 3:		{			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		}		_t = __t1512;		_t = _t.getNextSibling();		state_end(_t);		_t = _retTree;		_t = __t1511;		_t = _t.getNextSibling();		_retTree = _t;	}