Definition genviron := Map.t block.Definition venviron := Map.t (block * type).Definition tenviron := Map.t val.Inductive environ : Type :=
 mkEnviron: forall (ge: genviron) (ve: venviron) (te: tenviron), environ.Inductive environ : Type :=
 mkEnviron: forall (ge: genviron) (ve: venviron) (te: tenviron), environ.Definition ge_of (rho: environ) : genviron :=
  match rho with mkEnviron ge ve te => ge end.Definition ve_of (rho: environ) : venviron :=
  match rho with mkEnviron ge ve te => ve end.Definition te_of (rho: environ) : tenviron :=
  match rho with mkEnviron ge ve te => te end.Definition any_environ : environ :=
  mkEnviron (fun _ => None)  (Map.empty _) (Map.empty _).Definition mpred := pred rmap.Definition AssertTT (A: TypeTree): TypeTree :=
  ArrowType A (ArrowType (ConstType environ) Mpred).Definition SpecTT (A: TypeTree): TypeTree :=
  ArrowType A (ArrowType (ConstType bool) (ArrowType (ConstType environ) Mpred)).Definition super_non_expansive {A: TypeTree}
  (P: forall ts, dependent_type_functor_rec ts (AssertTT A) mpred): Prop :=
  forall n ts
    (x: functors.MixVariantFunctor._functor
                         (rmaps.dependent_type_functor_rec ts A) mpred)
    (rho: environ),
  approx n (P ts x rho) = approx n (P ts (fmap _ (approx n) (approx n) x) rho).Definition const_super_non_expansive: forall (T: Type) P,
  @super_non_expansive (ConstType T) P :=
  fun _ _ _ _ _ _ => eq_refl.(*Potential alternative that does not use Ctypes
Inductive funspec :=
   mk_funspec: AST.signature -> forall (A: TypeTree)
     (P Q: forall ts, dependent_type_functor_rec ts (AssertTT A) mpred)
     (P_ne: super_non_expansive P) (Q_ne: super_non_expansive Q),
    funspec.
 *)

Inductive funspec :=
   mk_funspec: funsig -> calling_convention -> forall (A: TypeTree)
     (P Q: forall ts, dependent_type_functor_rec ts (AssertTT A) mpred)
     (P_ne: super_non_expansive P) (Q_ne: super_non_expansive Q),
     funspec.(*Potential alternative that does not use Ctypes
Inductive funspec :=
   mk_funspec: AST.signature -> forall (A: TypeTree)
     (P Q: forall ts, dependent_type_functor_rec ts (AssertTT A) mpred)
     (P_ne: super_non_expansive P) (Q_ne: super_non_expansive Q),
    funspec.
 *)

Inductive funspec :=
   mk_funspec: funsig -> calling_convention -> forall (A: TypeTree)
     (P Q: forall ts, dependent_type_functor_rec ts (AssertTT A) mpred)
     (P_ne: super_non_expansive P) (Q_ne: super_non_expansive Q),
     funspec.Definition varspecs : Type := list (ident * type).Definition funspecs := list (ident * funspec).(*Lenb: moved here from mapsto_memory_block.v*)
Definition assert := environ -> mpred.(* Unfortunately
   can't export this abbreviation through SeparationLogic.v because
  it confuses the Lift system *)

(*Lenb: moved packPQ here from res_predicates.v*)
Definition packPQ {A: rmaps.TypeTree}
  (P Q: forall ts, dependent_type_functor_rec ts (AssertTT A) (pred rmap)):
  forall ts, dependent_type_functor_rec ts (SpecTT A) (pred rmap) :=
  fun ts a b => if b then P ts a else Q ts a.(*moved here from Clight_lemmas*)
Definition int_range (sz: intsize) (sgn: signedness) (i: int) :=
 match sz, sgn with
 | I8, Signed => -128 <= Int.signed i < 128
 | I8, Unsigned => 0 <= Int.unsigned i < 256
 | I16, Signed => -32768 <= Int.signed i < 32768
 | I16, Unsigned => 0 <= Int.unsigned i < 65536
 | I32, Signed => -2147483648 <= Int.signed i < 2147483648
 | I32, Unsigned => 0 <= Int.unsigned i < 4294967296
 | IBool, _ => 0 <= Int.unsigned i < 256
 end.Definition in_members i (m: members): Prop :=
  In i (map fst m).Definition members_no_replicate (m: members) : bool :=
  compute_list_norepet (map fst m).Definition compute_in_members id (m: members): bool :=
  id_in_list id (map fst m).

Lemma compute_in_members_false_iff: forall i m, compute_in_members i m = false <-> ~ in_members i m.