sig
val get_direct_component : Cil_types.stmt -> Cil_types.stmt list
val get_indirect_backward_component : Cil_types.stmt -> Cil_types.stmt list
val get_forward_component : Cil_types.stmt -> Cil_types.stmt list
val impact_analysis :
Kernel_function.t -> Cil_types.stmt -> Cil_types.stmt list
end