_t = __t1671;
_t = __t1672;
	public final void osappendstate(AST _t) throws RecognitionException {				AST osappendstate_AST_in = (_t == ASTNULL) ? null : (AST)_t;				AST __t1671 = _t;		AST tmp1052_AST_in = (AST)_t;		match(_t,OSAPPEND);		_t = _t.getFirstChild();		anyorvalue(_t);		_t = _retTree;		anyorvalue(_t);		_t = _retTree;		state_end(_t);		_t = _retTree;		_t = __t1671;		_t = _t.getNextSibling();		_retTree = _t;	}