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@ -162,21 +162,21 @@ let rec find_normal_variable_load_ tenv (seen : Exp.Set.t) node id : DExp.t opti
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| Sil.Load {id= id0; e} when Ident.equal id id0 ->
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if verbose then (
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L.d_str "find_normal_variable_load defining " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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exp_lv_dexp_ tenv seen node e
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| Sil.Call ((id0, _), Exp.Const (Const.Cfun pn), (e, _) :: _, _, _)
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when Ident.equal id id0 && Typ.Procname.equal pn (Typ.Procname.from_string_c_fun "__cast") ->
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if verbose then (
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L.d_str "find_normal_variable_load cast on " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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exp_rv_dexp_ tenv seen node e
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| Sil.Call ((id0, _), (Exp.Const (Const.Cfun pname) as fun_exp), args, loc, call_flags)
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when Ident.equal id id0 ->
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if verbose then (
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L.d_str "find_normal_variable_load function call " ;
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Sil.d_exp fun_exp ;
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Exp.d_exp fun_exp ;
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L.d_ln () ) ;
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let fun_dexp = DExp.Dconst (Const.Cfun pname) in
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let args_dexp =
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@ -209,19 +209,19 @@ let rec find_normal_variable_load_ tenv (seen : Exp.Set.t) node id : DExp.t opti
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and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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if Exp.Set.mem e seen_ then (
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L.d_str "exp_lv_dexp: cycle detected" ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ;
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None )
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else
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let seen = Exp.Set.add e seen_ in
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match Prop.exp_normalize_noabs tenv Sil.sub_empty e with
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| Exp.Const c ->
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if verbose then (L.d_str "exp_lv_dexp: constant " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_lv_dexp: constant " ; Exp.d_exp e ; L.d_ln ()) ;
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Some (DExp.Dderef (DExp.Dconst c))
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| Exp.BinOp (Binop.PlusPI, e1, e2) -> (
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if verbose then (
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L.d_str "exp_lv_dexp: (e1 +PI e2) " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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match (exp_lv_dexp_ tenv seen node e1, exp_rv_dexp_ tenv seen node e2) with
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| Some de1, Some de2 ->
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@ -231,7 +231,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| Exp.Var id when Ident.is_normal id -> (
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if verbose then (
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L.d_str "exp_lv_dexp: normal var " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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match find_normal_variable_load_ tenv seen node id with
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| None ->
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@ -241,7 +241,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| Exp.Lvar pvar ->
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if verbose then (
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L.d_str "exp_lv_dexp: program var " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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if Pvar.is_frontend_tmp pvar then
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match find_program_variable_assignment node pvar with
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@ -267,7 +267,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| Exp.Lfield (Exp.Var id, f, _) when Ident.is_normal id -> (
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if verbose then (
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L.d_str "exp_lv_dexp: Lfield with var " ;
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Sil.d_exp (Exp.Var id) ;
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Exp.d_exp (Exp.Var id) ;
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L.d_printfln " %a" Typ.Fieldname.pp f ) ;
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match find_normal_variable_load_ tenv seen node id with
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| None ->
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@ -277,7 +277,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| Exp.Lfield (e1, f, _) -> (
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if verbose then (
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L.d_str "exp_lv_dexp: Lfield " ;
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Sil.d_exp e1 ;
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Exp.d_exp e1 ;
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L.d_printfln " %a" Typ.Fieldname.pp f ) ;
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match exp_lv_dexp_ tenv seen node e1 with
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| None ->
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@ -286,7 +286,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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Some (DExp.Ddot (de, f)) )
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| Exp.Lindex (e1, e2) -> (
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if verbose then (
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L.d_str "exp_lv_dexp: Lindex " ; Sil.d_exp e1 ; L.d_str " " ; Sil.d_exp e2 ; L.d_ln () ) ;
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L.d_str "exp_lv_dexp: Lindex " ; Exp.d_exp e1 ; L.d_str " " ; Exp.d_exp e2 ; L.d_ln () ) ;
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match (exp_lv_dexp_ tenv seen node e1, exp_rv_dexp_ tenv seen node e2) with
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| None, _ ->
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None
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@ -298,7 +298,7 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| _ ->
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if verbose then (
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L.d_str "exp_lv_dexp: no match for " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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None
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@ -307,19 +307,19 @@ and exp_lv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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and exp_rv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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if Exp.Set.mem e seen_ then (
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L.d_str "exp_rv_dexp: cycle detected" ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ;
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None )
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else
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let seen = Exp.Set.add e seen_ in
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match e with
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| Exp.Const c ->
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if verbose then (L.d_str "exp_rv_dexp: constant " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_rv_dexp: constant " ; Exp.d_exp e ; L.d_ln ()) ;
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Some (DExp.Dconst c)
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| Exp.Lvar pv ->
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if verbose then (
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L.d_str "exp_rv_dexp: program var " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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if Pvar.is_frontend_tmp pv then
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exp_lv_dexp_ tenv seen_ (* avoid spurious cycle detection *) node e
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@ -327,13 +327,13 @@ and exp_rv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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| Exp.Var id when Ident.is_normal id ->
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if verbose then (
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L.d_str "exp_rv_dexp: normal var " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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find_normal_variable_load_ tenv seen node id
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| Exp.Lfield (e1, f, _) -> (
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if verbose then (
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L.d_str "exp_rv_dexp: Lfield " ;
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Sil.d_exp e1 ;
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Exp.d_exp e1 ;
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L.d_printfln " %a" Typ.Fieldname.pp f ) ;
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match exp_rv_dexp_ tenv seen node e1 with
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| None ->
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@ -342,37 +342,37 @@ and exp_rv_dexp_ tenv (seen_ : Exp.Set.t) node e : DExp.t option =
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Some (DExp.Ddot (de, f)) )
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| Exp.Lindex (e1, e2) -> (
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if verbose then (
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L.d_str "exp_rv_dexp: Lindex " ; Sil.d_exp e1 ; L.d_str " " ; Sil.d_exp e2 ; L.d_ln () ) ;
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L.d_str "exp_rv_dexp: Lindex " ; Exp.d_exp e1 ; L.d_str " " ; Exp.d_exp e2 ; L.d_ln () ) ;
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match (exp_rv_dexp_ tenv seen node e1, exp_rv_dexp_ tenv seen node e2) with
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| None, _ | _, None ->
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None
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| Some de1, Some de2 ->
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Some (DExp.Darray (de1, de2)) )
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| Exp.BinOp (op, e1, e2) -> (
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if verbose then (L.d_str "exp_rv_dexp: BinOp " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_rv_dexp: BinOp " ; Exp.d_exp e ; L.d_ln ()) ;
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match (exp_rv_dexp_ tenv seen node e1, exp_rv_dexp_ tenv seen node e2) with
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| None, _ | _, None ->
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None
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| Some de1, Some de2 ->
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Some (DExp.Dbinop (op, de1, de2)) )
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| Exp.UnOp (op, e1, _) -> (
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if verbose then (L.d_str "exp_rv_dexp: UnOp " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_rv_dexp: UnOp " ; Exp.d_exp e ; L.d_ln ()) ;
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match exp_rv_dexp_ tenv seen node e1 with
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| None ->
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None
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| Some de1 ->
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Some (DExp.Dunop (op, de1)) )
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| Exp.Cast (_, e1) ->
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if verbose then (L.d_str "exp_rv_dexp: Cast " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_rv_dexp: Cast " ; Exp.d_exp e ; L.d_ln ()) ;
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exp_rv_dexp_ tenv seen node e1
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| Exp.Sizeof {typ; dynamic_length; subtype} ->
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if verbose then (L.d_str "exp_rv_dexp: type " ; Sil.d_exp e ; L.d_ln ()) ;
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if verbose then (L.d_str "exp_rv_dexp: type " ; Exp.d_exp e ; L.d_ln ()) ;
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Some
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(DExp.Dsizeof (typ, Option.bind dynamic_length ~f:(exp_rv_dexp_ tenv seen node), subtype))
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| _ ->
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if verbose then (
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L.d_str "exp_rv_dexp: no match for " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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None
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@ -429,7 +429,7 @@ let leak_from_list_abstraction hpred prop =
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Sil.Predicates.iter env (check_hpara texp) (check_hpara_dll texp) ;
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if !found then (
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L.d_str "leak_from_list_abstraction of predicate of type " ;
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Sil.d_texp_full texp ;
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Exp.d_texp_full texp ;
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L.d_ln () ) ;
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!found
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| None ->
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@ -534,7 +534,7 @@ let explain_leak tenv hpred prop alloc_att_opt bucket =
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| Some (Sil.Store {e1= lexp}) when is_none vpath -> (
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if verbose then (
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L.d_str "explain_leak: current instruction Set for " ;
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Sil.d_exp lexp ;
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Exp.d_exp lexp ;
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L.d_ln () ) ;
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match exp_lv_dexp tenv node lexp with
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| Some dexp when not (DExp.has_tmp_var dexp) ->
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@ -567,7 +567,7 @@ let explain_leak tenv hpred prop alloc_att_opt bucket =
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(** find the dexp, if any, where the given value is stored
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also return the type of the value if found *)
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let vpath_find tenv prop exp_ : DExp.t option * Typ.t option =
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if verbose then (L.d_str "in vpath_find exp:" ; Sil.d_exp exp_ ; L.d_ln ()) ;
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if verbose then (L.d_str "in vpath_find exp:" ; Exp.d_exp exp_ ; L.d_ln ()) ;
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let rec find sigma_acc sigma_todo exp =
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let do_fse res sigma_acc' sigma_todo' lexp texp (f, se) =
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match se with
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@ -597,7 +597,7 @@ let vpath_find tenv prop exp_ : DExp.t option * Typ.t option =
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| lexp ->
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if verbose then (
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L.d_str "vpath_find do_fse: no match on Eexp " ;
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Sil.d_exp lexp ;
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Exp.d_exp lexp ;
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L.d_ln () ) )
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| _ ->
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()
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@ -619,7 +619,7 @@ let vpath_find tenv prop exp_ : DExp.t option * Typ.t option =
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| lexp ->
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if verbose then (
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L.d_str "vpath_find do_sexp: no match on Eexp " ;
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Sil.d_exp lexp ;
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Exp.d_exp lexp ;
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L.d_ln () ) ;
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(None, None) )
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| Sil.Estruct (fsel, _) ->
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@ -664,7 +664,7 @@ let vpath_find tenv prop exp_ : DExp.t option * Typ.t option =
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match res with
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| None, _ ->
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L.d_str "vpath_find: cannot find " ;
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Sil.d_exp exp_ ;
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Exp.d_exp exp_ ;
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L.d_ln ()
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| Some de, typo -> (
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L.d_printf "vpath_find: found %a :" DExp.pp de ;
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@ -725,7 +725,7 @@ let explain_dexp_access prop dexp is_nullable =
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| [] ->
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if verbose then (
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L.d_str "lookup_esel: can't find index " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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None
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| (e1, se) :: esel' ->
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@ -886,50 +886,50 @@ let rec find_outermost_dereference tenv node e =
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| Exp.Const _ ->
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if verbose then (
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L.d_str "find_outermost_dereference: constant " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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exp_lv_dexp tenv node e
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| Exp.Var id when Ident.is_normal id ->
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(* look up the normal variable declaration *)
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if verbose then (
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L.d_str "find_outermost_dereference: normal var " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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find_normal_variable_load tenv node id
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| Exp.Lfield (e', _, _) ->
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if verbose then (
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L.d_str "find_outermost_dereference: Lfield " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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find_outermost_dereference tenv node e'
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| Exp.Lindex (e', _) ->
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if verbose then (
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L.d_str "find_outermost_dereference: Lindex " ;
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Sil.d_exp e ;
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Exp.d_exp e ;
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L.d_ln () ) ;
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|
find_outermost_dereference tenv node e'
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| Exp.Lvar _ ->
|
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if verbose then (
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L.d_str "find_outermost_dereference: Lvar " ;
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|
Sil.d_exp e ;
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Exp.d_exp e ;
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|
L.d_ln () ) ;
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|
exp_lv_dexp tenv node e
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| Exp.BinOp (Binop.PlusPI, Exp.Lvar _, _) ->
|
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|
if verbose then (
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|
L.d_str "find_outermost_dereference: Lvar+index " ;
|
|
|
|
|
Sil.d_exp e ;
|
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|
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|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
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|
|
exp_lv_dexp tenv node e
|
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|
|
| Exp.Cast (_, e') ->
|
|
|
|
|
if verbose then (
|
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|
|
L.d_str "find_outermost_dereference: cast " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
find_outermost_dereference tenv node e'
|
|
|
|
|
| _ ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "find_outermost_dereference: no match for " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
None
|
|
|
|
|
|
|
|
|
@ -946,13 +946,13 @@ let explain_access_ proc_name tenv ?(use_buckets = false) ?(outermost_array = fa
|
|
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|
|
| Some (Sil.Store {e1= e}) ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "explain_dereference Sil.Store " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
Some e
|
|
|
|
|
| Some (Sil.Load {e}) ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "explain_dereference Binop.Leteref " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
Some e
|
|
|
|
|
| Some (Sil.Call (_, Exp.Const (Const.Cfun fn), [(e, _)], _, _))
|
|
|
|
@ -960,13 +960,13 @@ let explain_access_ proc_name tenv ?(use_buckets = false) ?(outermost_array = fa
|
|
|
|
|
[BuiltinDecl.free; BuiltinDecl.__delete; BuiltinDecl.__delete_array] ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "explain_dereference Sil.Call " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
Some e
|
|
|
|
|
| Some (Sil.Call (_, (Exp.Var _ as e), _, _, _)) ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "explain_dereference Sil.Call " ;
|
|
|
|
|
Sil.d_exp e ;
|
|
|
|
|
Exp.d_exp e ;
|
|
|
|
|
L.d_ln () ) ;
|
|
|
|
|
Some e
|
|
|
|
|
| _ ->
|
|
|
|
@ -1106,7 +1106,7 @@ let explain_dereference_as_caller_expression proc_name tenv ?(use_buckets = fals
|
|
|
|
|
| None ->
|
|
|
|
|
if verbose then (
|
|
|
|
|
L.d_str "explain_dereference_as_caller_expression " ;
|
|
|
|
|
Sil.d_exp exp ;
|
|
|
|
|
Exp.d_exp exp ;
|
|
|
|
|
L.d_strln ": cannot explain None" ) ;
|
|
|
|
|
Localise.no_desc
|
|
|
|
|
|
|
|
|
|