AST tmp560_AST_in = (AST)_t;
AST tmp559_AST_in = (AST)_t;
	public final void filenameorvalue(AST _t) throws RecognitionException {				AST filenameorvalue_AST_in = (_t == ASTNULL) ? null : (AST)_t;		AST exp = null;		AST fn = null;				if (_t==null) _t=ASTNULL;		switch ( _t.getType()) {		case VALUE:		{			AST __t86 = _t;			AST tmp558_AST_in = (AST)_t;			match(_t,VALUE);			_t = _t.getFirstChild();			AST tmp559_AST_in = (AST)_t;			match(_t,LEFTPAREN);			_t = _t.getNextSibling();			exp = _t==ASTNULL ? null : (AST)_t;			expression(_t);			_t = _retTree;			AST tmp560_AST_in = (AST)_t;			match(_t,RIGHTPAREN);			_t = _t.getNextSibling();			_t = __t86;			_t = _t.getNextSibling();			if ( inputState.guessing==0 ) {				action.fnvExpression(exp);			}			break;		}		case FILENAME:		{			fn = (AST)_t;			match(_t,FILENAME);			_t = _t.getNextSibling();			if ( inputState.guessing==0 ) {				action.fnvFilename(fn);			}			break;		}		default:		{			throw new NoViableAltException(_t);		}		}		_retTree = _t;	}