_t = __t815;
_t = __t820;
	public final void frame_ref(AST _t) throws RecognitionException {				AST frame_ref_AST_in = (_t == ASTNULL) ? null : (AST)_t;		AST f = null;				AST __t815 = _t;		AST tmp647_AST_in = (AST)_t;		match(_t,FRAME);		_t = _t.getFirstChild();		f = (AST)_t;		match(_t,ID);		_t = _t.getNextSibling();		_t = __t815;		_t = _t.getNextSibling();		if ( inputState.guessing==0 ) {			action.frameRef(f);		}		_retTree = _t;	}