this class has a fucntion to share between Exception and RangeExpression change both classes to call this function init in their init Cc: Liming Gao <liming.gao@intel.com> Cc: Yonghong Zhu <yonghong.zhu@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Jaben Carsey <jaben.carsey@intel.com> Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>