pghs975uc
/
infer_clone
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[racerd] reorg domain module

Browse Source 
Summary:
- Reorder modules in mli for readability.
- Match mli module order in the implementation.
- Move some functions that operate on domains from RacerD.ml to the domain file.
- Kill some module type invocation.
- Use standard module signatures.

Reviewed By: mbouaziz

Differential Revision: D8026386

fbshipit-source-id: ee2af22
master
Nikos Gorogiannis 7 years ago committed by Facebook Github Bot
parent 370f5c80e6
commit 818d359675
3 changed files with 230 additions and 231 deletions
Show Stats Download Patch File Download Diff File

39
infer/src/concurrency/RacerD.ml
Unescape View File

@ -26,20 +26,6 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
type extras = Typ.Procname.t -> Procdesc.t option
let propagate_attributes lhs_access_path rhs_exp attribute_map =
let rhs_attributes = Domain.attributes_of_expr attribute_map rhs_exp in
Domain.AttributeMapDomain.add lhs_access_path rhs_attributes attribute_map
let propagate_ownership ((lhs_root, _) as lhs_access_path) rhs_exp ownership =
if Var.is_global (fst lhs_root) then
(* do not assign ownership to access paths rooted at globals *)
ownership
else
let rhs_ownership_value = Domain.ownership_of_expr rhs_exp ownership in
Domain.OwnershipDomain.add lhs_access_path rhs_ownership_value ownership
let propagate_return return ret_ownership ret_attributes actuals
{Domain.ownership; attribute_map} =
let open Domain in
@ -286,7 +272,7 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
in
let expand_precondition (snapshot: AccessSnapshot.t) =
let access = TraceElem.map ~f:expand_path snapshot.access in
AccessSnapshot.make_ access snapshot.lock snapshot.thread snapshot.ownership_precondition
AccessSnapshot.make_from_snapshot access snapshot
in
AccessDomain.map expand_precondition accesses
@ -340,7 +326,7 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
in
let update_callee_access (snapshot: AccessSnapshot.t) acc =
let access = TraceElem.with_callsite snapshot.access (CallSite.make callee_pname loc) in
let locks = if snapshot.lock then LocksDomain.add_lock locks else locks in
let locks = if snapshot.lock then LocksDomain.acquire_lock locks else locks in
let thread =
ThreadsDomain.integrate_summary ~callee_astate:snapshot.thread ~caller_astate:threads
in
@ -365,11 +351,6 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
AccessDomain.fold update_callee_access callee_accesses caller_astate.accesses
(***********************************************************************)
(* Wobbly paths and where to find them. *)
(***********************************************************************)
(***********************************************************************)
let exec_instr (astate: Domain.astate) ({ProcData.tenv; extras; pdesc} as proc_data) _
(instr: HilInstr.t) =
let open Domain in
@ -436,11 +417,11 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
match Models.get_lock callee_pname actuals with
| Lock ->
{ astate with
locks= LocksDomain.add_lock astate.locks
locks= LocksDomain.acquire_lock astate.locks
; threads= update_for_lock_use astate.threads }
| Unlock ->
{ astate with
locks= LocksDomain.remove_lock astate.locks
locks= LocksDomain.release_lock astate.locks
; threads= update_for_lock_use astate.threads }
| LockedIfTrue ->
let attribute_map =
@ -574,8 +555,12 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
add_access (AccessExpression lhs_access_expr) loc ~is_write_access:true rhs_accesses
astate.locks astate.threads astate.ownership proc_data
in
let ownership = propagate_ownership lhs_access_path rhs_exp astate.ownership in
let attribute_map = propagate_attributes lhs_access_path rhs_exp astate.attribute_map in
let ownership =
OwnershipDomain.propagate_assignment lhs_access_path rhs_exp astate.ownership
in
let attribute_map =
AttributeMapDomain.propagate_assignment lhs_access_path rhs_exp astate.attribute_map
in
(* [TODO] Do not add this path as wobbly, if it's the _first_
initialization of a local variable (e.g. A z = getA(); -->
now z is considered wobbly).
@ -621,8 +606,8 @@ module TransferFunctions (CFG : ProcCfg.S) = struct
let add_choice bool_value (acc: Domain.astate) = function
| Choice.LockHeld ->
let locks =
if bool_value then LocksDomain.add_lock acc.locks
else LocksDomain.remove_lock acc.locks
if bool_value then LocksDomain.acquire_lock acc.locks
else LocksDomain.release_lock acc.locks
in
{acc with locks}
| Choice.OnMainThread ->

264
infer/src/concurrency/RacerDDomain.ml
Unescape View File

@ -19,6 +19,8 @@ module Access = struct
| InterfaceCall of Typ.Procname.t
[@@deriving compare]
let equal = [%compare.equal : t]
let suffix_matches (_, accesses1) (_, accesses2) =
match (List.rev accesses1, List.rev accesses2) with
| access1 :: _, access2 :: _ ->
@ -44,6 +46,24 @@ module Access = struct
if is_write then Write access_path else Read access_path
let make_container_access access_path pname ~is_write =
if is_write then ContainerWrite (access_path, pname) else ContainerRead (access_path, pname)
let is_write = function
| InterfaceCall _ | Read _ | ContainerRead _ ->
false
| ContainerWrite _ | Write _ ->
true
let is_container_write = function
| InterfaceCall _ | Read _ | Write _ | ContainerRead _ ->
false
| ContainerWrite _ ->
true
let get_access_path = function
| Read access_path
| Write access_path
@ -67,8 +87,6 @@ module Access = struct
intfcall
let equal t1 t2 = Int.equal (compare t1 t2) 0
let pp fmt = function
| Read access_path ->
F.fprintf fmt "Read of %a" AccessPath.pp access_path
@ -88,21 +106,9 @@ module TraceElem = struct
type t = {site: CallSite.t; kind: Kind.t} [@@deriving compare]
let is_write {kind} =
match kind with
| InterfaceCall _ | Read _ | ContainerRead _ ->
false
| ContainerWrite _ | Write _ ->
true
let is_container_write {kind} =
match kind with
| InterfaceCall _ | Read _ | Write _ | ContainerRead _ ->
false
| ContainerWrite _ ->
true
let is_write {kind} = Access.is_write kind
let is_container_write {kind} = Access.is_container_write kind
let call_site {site} = site
@ -126,7 +132,7 @@ module TraceElem = struct
let dummy_pname = Typ.Procname.empty_block
let make_dummy_site = CallSite.make dummy_pname
let make_dummy_site loc = CallSite.make dummy_pname loc
(* all trace elems are created with a dummy call site. any trace elem without a dummy call site
represents a call that leads to an access rather than a direct access *)
@ -134,11 +140,7 @@ module TraceElem = struct
let make_container_access access_path pname ~is_write loc =
let site = make_dummy_site loc in
let access =
if is_write then Access.ContainerWrite (access_path, pname)
else Access.ContainerRead (access_path, pname)
in
make access site
make (Access.make_container_access access_path pname ~is_write) site
let make_field_access access_path ~is_write loc =
@ -151,6 +153,8 @@ module TraceElem = struct
make (Access.InterfaceCall pname) site
end
module PathDomain = SinkTrace.Make (TraceElem)
module LockCount = AbstractDomain.CountDomain (struct
let max = 5
@ -160,7 +164,7 @@ end)
module LocksDomain = struct
include AbstractDomain.Map (AccessPath) (LockCount)
(* TODO: eventually, we'll ask add_lock/remove_lock to pass the lock name. for now, this is a hack
(* TODO: eventually, we'll ask acquire_lock/release_lock to pass the lock name. for now, this is a hack
to model having a single lock used everywhere *)
let the_only_lock = ((Var.of_id (Ident.create Ident.knormal 0), Typ.void_star), [])
@ -171,12 +175,12 @@ module LocksDomain = struct
let lookup_count lock astate = try find lock astate with Caml.Not_found -> LockCount.empty
let add_lock astate =
let acquire_lock astate =
let count = lookup_count the_only_lock astate in
add the_only_lock (LockCount.increment count) astate
let remove_lock astate =
let release_lock astate =
let count = lookup_count the_only_lock astate in
try
let count' = LockCount.decrement count in
@ -199,6 +203,8 @@ module ThreadsDomain = struct
(* NoThread < AnyThreadButSelf < Any *)
let ( <= ) ~lhs ~rhs =
phys_equal lhs rhs
||
match (lhs, rhs) with
| NoThread, _ ->
true
@ -213,6 +219,8 @@ module ThreadsDomain = struct
let join astate1 astate2 =
if phys_equal astate1 astate2 then astate1
else
match (astate1, astate2) with
| NoThread, astate | astate, NoThread ->
astate
@ -252,29 +260,53 @@ module ThreadsDomain = struct
match callee_astate with AnyThreadButSelf -> callee_astate | _ -> caller_astate
end
module PathDomain = SinkTrace.Make (TraceElem)
module AccessSnapshot = struct
module OwnershipPrecondition = struct
type t = Conjunction of IntSet.t | False [@@deriving compare]
module Choice = struct
type t = OnMainThread | LockHeld [@@deriving compare]
(* precondition is true if the conjunction of owned indexes is empty *)
let is_true = function False -> false | Conjunction set -> IntSet.is_empty set
let pp fmt = function
| OnMainThread ->
F.pp_print_string fmt "OnMainThread"
| LockHeld ->
F.pp_print_string fmt "LockHeld"
end
| Conjunction indexes ->
F.fprintf fmt "Owned(%a)"
(PrettyPrintable.pp_collection ~pp_item:Int.pp)
(IntSet.elements indexes)
| False ->
F.pp_print_string fmt "False"
end
module Attribute = struct
type t = Functional | Choice of Choice.t [@@deriving compare]
type t =
{ access: PathDomain.Sink.t
; thread: ThreadsDomain.astate
; lock: bool
; ownership_precondition: OwnershipPrecondition.t }
[@@deriving compare]
let pp fmt = function
| Functional ->
F.pp_print_string fmt "Functional"
| Choice choice ->
Choice.pp fmt choice
let make_from_snapshot access {lock; thread; ownership_precondition} =
(* shouldn't be creating metadata for accesses that are known to be owned; we should discard
such accesses *)
assert (not (OwnershipPrecondition.is_true ownership_precondition)) ;
{access; thread; lock; ownership_precondition}
let make access lock thread ownership_precondition pdesc =
assert (not (OwnershipPrecondition.is_true ownership_precondition)) ;
let lock = LocksDomain.is_locked lock || Procdesc.is_java_synchronized pdesc in
{access; lock; thread; ownership_precondition}
let is_unprotected {thread; lock; ownership_precondition} =
not (ThreadsDomain.is_any_but_self thread) && not lock
&& not (OwnershipPrecondition.is_true ownership_precondition)
let pp fmt {access; thread; lock; ownership_precondition} =
F.fprintf fmt "Access: %a Thread: %a Lock: %b Pre: %a" TraceElem.pp access ThreadsDomain.pp
thread lock OwnershipPrecondition.pp ownership_precondition
end
module AttributeSetDomain = AbstractDomain.InvertedSet (Attribute)
module AccessDomain = AbstractDomain.FiniteSet (AccessSnapshot)
module OwnershipAbstractValue = struct
type astate = Owned | OwnedIf of IntSet.t | Unowned [@@deriving compare]
@ -286,8 +318,8 @@ module OwnershipAbstractValue = struct
let make_owned_if formal_index = OwnedIf (IntSet.singleton formal_index)
let ( <= ) ~lhs ~rhs =
if phys_equal lhs rhs then true
else
phys_equal lhs rhs
||
match (lhs, rhs) with
| _, Unowned ->
true (* Unowned is top *)
@ -357,8 +389,51 @@ module OwnershipDomain = struct
let find = `Use_get_owned_instead
let rec ownership_of_expr expr ownership =
let open HilExp in
match expr with
| AccessExpression access_expr ->
get_owned (AccessExpression.to_access_path access_expr) ownership
| Constant _ ->
OwnershipAbstractValue.owned
| Exception e (* treat exceptions as transparent wrt ownership *) | Cast (_, e) ->
ownership_of_expr e ownership
| _ ->
OwnershipAbstractValue.unowned
let propagate_assignment ((lhs_root, _) as lhs_access_path) rhs_exp ownership =
if Var.is_global (fst lhs_root) then
(* do not assign ownership to access paths rooted at globals *)
ownership
else
let rhs_ownership_value = ownership_of_expr rhs_exp ownership in
add lhs_access_path rhs_ownership_value ownership
end
module Choice = struct
type t = OnMainThread | LockHeld [@@deriving compare]
let pp fmt = function
| OnMainThread ->
F.pp_print_string fmt "OnMainThread"
| LockHeld ->
F.pp_print_string fmt "LockHeld"
end
module Attribute = struct
type t = Functional | Choice of Choice.t [@@deriving compare]
let pp fmt = function
| Functional ->
F.pp_print_string fmt "Functional"
| Choice choice ->
Choice.pp fmt choice
end
module AttributeSetDomain = AbstractDomain.InvertedSet (Attribute)
module AttributeMapDomain = struct
include AbstractDomain.InvertedMap (AccessPath) (AttributeSetDomain)
@ -373,9 +448,9 @@ module AttributeMapDomain = struct
let get_choices access_path t =
try
let attributes = find access_path t in
List.filter_map
~f:(function Attribute.Choice c -> Some c | _ -> None)
(AttributeSetDomain.elements attributes)
AttributeSetDomain.fold
(fun cc acc -> match cc with Attribute.Choice c -> c :: acc | _ -> acc)
attributes []
with Caml.Not_found -> []
@ -385,55 +460,33 @@ module AttributeMapDomain = struct
|> AttributeSetDomain.add attribute
in
add access_path attribute_set t
end
module AccessSnapshot = struct
module OwnershipPrecondition = struct
type t = Conjunction of IntSet.t | False [@@deriving compare]
(* precondition is true if the conjunction of owned indexes is empty *)
let is_true = function False -> false | Conjunction set -> IntSet.is_empty set
let pp fmt = function
| Conjunction indexes ->
F.fprintf fmt "Owned(%a)"
(PrettyPrintable.pp_collection ~pp_item:Int.pp)
(IntSet.elements indexes)
| False ->
F.pp_print_string fmt "False"
end
type t =
{ access: PathDomain.Sink.t
; thread: ThreadsDomain.astate
; lock: bool
; ownership_precondition: OwnershipPrecondition.t }
[@@deriving compare]
let make_ access lock thread ownership_precondition =
(* shouldn't be creating metadata for accesses that are known to be owned; we should discard
such accesses *)
assert (not (OwnershipPrecondition.is_true ownership_precondition)) ;
{access; thread; lock; ownership_precondition}
let make access lock thread ownership_precondition pdesc =
let lock = LocksDomain.is_locked lock || Procdesc.is_java_synchronized pdesc in
make_ access lock thread ownership_precondition
let is_unprotected {thread; lock; ownership_precondition} =
not (ThreadsDomain.is_any_but_self thread) && not lock
&& not (OwnershipPrecondition.is_true ownership_precondition)
let rec attributes_of_expr attribute_map e =
let open HilExp in
match e with
| HilExp.AccessExpression access_expr -> (
try find (AccessExpression.to_access_path access_expr) attribute_map with Caml.Not_found ->
AttributeSetDomain.empty )
| Constant _ ->
AttributeSetDomain.singleton Attribute.Functional
| Exception expr (* treat exceptions as transparent wrt attributes *) | Cast (_, expr) ->
attributes_of_expr attribute_map expr
| UnaryOperator (_, expr, _) ->
attributes_of_expr attribute_map expr
| BinaryOperator (_, expr1, expr2) ->
let attributes1 = attributes_of_expr attribute_map expr1 in
let attributes2 = attributes_of_expr attribute_map expr2 in
AttributeSetDomain.join attributes1 attributes2
| Closure _ | Sizeof _ ->
AttributeSetDomain.empty
let pp fmt {access; thread; lock; ownership_precondition} =
F.fprintf fmt "Access: %a Thread: %a Lock: %b Pre: %a" TraceElem.pp access ThreadsDomain.pp
thread lock OwnershipPrecondition.pp ownership_precondition
let propagate_assignment lhs_access_path rhs_exp attribute_map =
let rhs_attributes = attributes_of_expr attribute_map rhs_exp in
add lhs_access_path rhs_attributes attribute_map
end
module AccessDomain = AbstractDomain.FiniteSet (AccessSnapshot)
module StabilityDomain = struct
include AccessTree.PathSet (AccessTree.DefaultConfig)
@ -629,36 +682,3 @@ let pp fmt {threads; locks; accesses; ownership; attribute_map; wobbly_paths} =
Non-stable Paths: %a@\n"
ThreadsDomain.pp threads LocksDomain.pp locks AccessDomain.pp accesses OwnershipDomain.pp
ownership AttributeMapDomain.pp attribute_map StabilityDomain.pp wobbly_paths
let rec attributes_of_expr attribute_map e =
let open HilExp in
match e with
| HilExp.AccessExpression access_expr -> (
try AttributeMapDomain.find (AccessExpression.to_access_path access_expr) attribute_map
with Caml.Not_found -> AttributeSetDomain.empty )
| Constant _ ->
AttributeSetDomain.of_list [Attribute.Functional]
| Exception expr (* treat exceptions as transparent wrt attributes *) | Cast (_, expr) ->
attributes_of_expr attribute_map expr
| UnaryOperator (_, expr, _) ->
attributes_of_expr attribute_map expr
| BinaryOperator (_, expr1, expr2) ->
let attributes1 = attributes_of_expr attribute_map expr1 in
let attributes2 = attributes_of_expr attribute_map expr2 in
AttributeSetDomain.join attributes1 attributes2
| Closure _ | Sizeof _ ->
AttributeSetDomain.empty
let rec ownership_of_expr expr ownership =
let open HilExp in
match expr with
| AccessExpression access_expr ->
OwnershipDomain.get_owned (AccessExpression.to_access_path access_expr) ownership
| Constant _ ->
OwnershipAbstractValue.owned
| Exception e (* treat exceptions as transparent wrt ownership *) | Cast (_, e) ->
ownership_of_expr e ownership
| _ ->
OwnershipAbstractValue.unowned

114
infer/src/concurrency/RacerDDomain.mli
Unescape View File

@ -18,7 +18,8 @@ module Access : sig
| ContainerWrite of AccessPath.t * Typ.Procname.t (** Write to container object *)
| InterfaceCall of Typ.Procname.t
(** Call to method of interface not annotated with @ThreadSafe *)
[@@deriving compare]
include PrettyPrintable.PrintableOrderedType with type t := t
val matches : caller:t -> callee:t -> bool
(** returns true if the caller access matches the callee access after accounting for mismatch
@ -27,8 +28,6 @@ module Access : sig
val get_access_path : t -> AccessPath.t option
val equal : t -> t -> bool
val pp : F.formatter -> t -> unit
end
module TraceElem : sig
@ -51,18 +50,17 @@ module TraceElem : sig
val make_unannotated_call_access : Typ.Procname.t -> Location.t -> t
end
module PathDomain :
SinkTrace.S with module Source = Source.Dummy and module Sink = SinkTrace.MakeSink(TraceElem)
(** Overapproximation of number of locks that are currently held *)
module LocksDomain : sig
include AbstractDomain.WithBottom
val is_locked : astate -> bool
[@@warning "-32"]
(** returns true if the number of locks held is greater than zero or Top *)
val add_lock : astate -> astate
val acquire_lock : astate -> astate
(** record acquisition of a lock *)
val remove_lock : astate -> astate
val release_lock : astate -> astate
(** record release of a lock *)
val integrate_summary : caller_astate:astate -> callee_astate:astate -> astate
@ -95,9 +93,47 @@ module ThreadsDomain : sig
(** integrate current state with a callee summary *)
end
module PathDomain : module type of SinkTrace.Make (TraceElem)
(** snapshot of the relevant state at the time of a heap access: concurrent thread(s), lock(s) held,
ownership precondition *)
module AccessSnapshot : sig
(** precondition for owned access; access is owned if it evaluates to true *)
module OwnershipPrecondition : sig
type t =
| Conjunction of IntSet.t
(** Conjunction of "formal index must be owned" predicates.
true if empty *)
| False
include PrettyPrintable.PrintableOrderedType with type t := t
val is_true : t -> bool
(** return [true] if the precondition evaluates to true *)
end
type t = private
{ access: PathDomain.Sink.t
; thread: ThreadsDomain.astate
; lock: bool
; ownership_precondition: OwnershipPrecondition.t }
include PrettyPrintable.PrintableOrderedType with type t := t
val make :
PathDomain.Sink.t -> LocksDomain.astate -> ThreadsDomain.astate -> OwnershipPrecondition.t
-> Procdesc.t -> t
val make_from_snapshot : PathDomain.Sink.t -> t -> t
val is_unprotected : t -> bool
(** return true if not protected by lock, thread, or ownership *)
end
(** map of access metadata |-> set of accesses. the map should hold all accesses to a
possibly-unowned access path *)
module AccessDomain : module type of AbstractDomain.FiniteSet (AccessSnapshot)
(** Powerset domain on the formal indexes in OwnedIf with a distinguished bottom element (Owned) and top element (Unowned) *)
(** Powerset domain on the formal indexes in OwnedIf with a distinguished bottom element (Owned)
and top element (Unowned) *)
module OwnershipAbstractValue : sig
type astate = private
| Owned (** Owned value; bottom of the lattice *)
@ -122,6 +158,8 @@ module OwnershipDomain : sig
val is_owned : AccessPath.t -> astate -> bool
val find : [`Use_get_owned_instead] [@@warning "-32"]
val propagate_assignment : AccessPath.t -> HilExp.t -> astate -> astate
end
(** attribute attached to a boolean variable specifying what it means when the boolean is true *)
@ -129,16 +167,16 @@ module Choice : sig
type t =
| OnMainThread (** the current procedure is running on the main thread *)
| LockHeld (** a lock is currently held *)
[@@deriving compare]
include PrettyPrintable.PrintableOrderedType with type t := t
end
module Attribute : sig
type t =
| Functional (** holds a value returned from a callee marked @Functional *)
| Choice of Choice.t (** holds a boolean choice variable *)
[@@deriving compare]
val pp : F.formatter -> t -> unit
include PrettyPrintable.PrintableOrderedType with type t := t
end
module AttributeSetDomain : module type of AbstractDomain.InvertedSet (Attribute)
@ -154,48 +192,11 @@ module AttributeMapDomain : sig
(** get the choice attributes associated with the given access path *)
val add_attribute : AccessPath.t -> Attribute.t -> astate -> astate
end
(** snapshot of the relevant state at the time of a heap access: concurrent thread(s), lock(s) held, ownership precondition *)
module AccessSnapshot : sig
(** precondition for owned access; access is owned if it evaluates to true *)
module OwnershipPrecondition : sig
type t =
| Conjunction of IntSet.t
(** Conjunction of "formal index must be owned" predicates.
true if empty *)
| False
[@@deriving compare]
val is_true : t -> bool
(** return [true] if the precondition evaluates to true *)
val pp : F.formatter -> t -> unit [@@warning "-32"]
end
type t = private
{ access: PathDomain.Sink.t
; thread: ThreadsDomain.astate
; lock: bool
; ownership_precondition: OwnershipPrecondition.t }
[@@deriving compare]
val make :
PathDomain.Sink.t -> LocksDomain.astate -> ThreadsDomain.astate -> OwnershipPrecondition.t
-> Procdesc.t -> t
val make_ : PathDomain.Sink.t -> bool -> ThreadsDomain.astate -> OwnershipPrecondition.t -> t
val is_unprotected : t -> bool
(** return true if not protected by lock, thread, or ownership *)
val pp : F.formatter -> t -> unit
val propagate_assignment : AccessPath.t -> HilExp.t -> astate -> astate
(** propagate attributes from the leaves to the root of an RHS Hil expression *)
end
(** map of access metadata |-> set of accesses. the map should hold all accesses to a
possibly-unowned access path *)
module AccessDomain : module type of AbstractDomain.FiniteSet (AccessSnapshot)
module StabilityDomain : sig
include module type of AccessTree.PathSet (AccessTree.DefaultConfig)
@ -233,10 +234,3 @@ type summary =
include AbstractDomain.WithBottom with type astate := astate
val pp_summary : F.formatter -> summary -> unit
val attributes_of_expr :
AttributeSetDomain.t AttributeMapDomain.t -> HilExp.t -> AttributeSetDomain.t
(** propagate attributes from the leaves to the root of an RHS Hil expression *)
val ownership_of_expr :
HilExp.t -> OwnershipAbstractValue.astate AttributeMapDomain.t -> OwnershipAbstractValue.astate

Write Preview
Loading…
Cancel
Save