diff options
Diffstat (limited to '')
-rw-r--r-- | tests/fstar/hashmap/Hashmap.Funs.fst | 65 | ||||
-rw-r--r-- | tests/fstar/hashmap/Primitives.fst | 56 | ||||
-rw-r--r-- | tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst | 70 | ||||
-rw-r--r-- | tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst | 8 | ||||
-rw-r--r-- | tests/fstar/hashmap_on_disk/Primitives.fst | 56 |
5 files changed, 122 insertions, 133 deletions
diff --git a/tests/fstar/hashmap/Hashmap.Funs.fst b/tests/fstar/hashmap/Hashmap.Funs.fst index d897933a..2be587af 100644 --- a/tests/fstar/hashmap/Hashmap.Funs.fst +++ b/tests/fstar/hashmap/Hashmap.Funs.fst @@ -10,7 +10,7 @@ include Hashmap.Clauses (** [hashmap::hash_key]: Source: 'src/hashmap.rs', lines 27:0-27:32 *) let hash_key (k : usize) : result usize = - Return k + Ok k (** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: loop 0: Source: 'src/hashmap.rs', lines 50:4-56:5 *) @@ -24,7 +24,7 @@ let rec hashMap_allocate_slots_loop let* slots1 = alloc_vec_Vec_push (list_t t) slots List_Nil in let* n1 = usize_sub n 1 in hashMap_allocate_slots_loop t slots1 n1 - else Return slots + else Ok slots (** [hashmap::{hashmap::HashMap<T>}::allocate_slots]: Source: 'src/hashmap.rs', lines 50:4-50:76 *) @@ -45,7 +45,7 @@ let hashMap_new_with_capacity in let* i = usize_mul capacity max_load_dividend in let* i1 = usize_div i max_load_divisor in - Return + Ok { num_entries = 0; max_load_factor = (max_load_dividend, max_load_divisor); @@ -74,18 +74,18 @@ let rec hashMap_clear_loop let* i2 = usize_add i 1 in let* slots1 = index_mut_back List_Nil in hashMap_clear_loop t slots1 i2 - else Return slots + else Ok slots (** [hashmap::{hashmap::HashMap<T>}::clear]: Source: 'src/hashmap.rs', lines 80:4-80:27 *) let hashMap_clear (t : Type0) (self : hashMap_t t) : result (hashMap_t t) = let* hm = hashMap_clear_loop t self.slots 0 in - Return { self with num_entries = 0; slots = hm } + Ok { self with num_entries = 0; slots = hm } (** [hashmap::{hashmap::HashMap<T>}::len]: Source: 'src/hashmap.rs', lines 90:4-90:30 *) let hashMap_len (t : Type0) (self : hashMap_t t) : result usize = - Return self.num_entries + Ok self.num_entries (** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: loop 0: Source: 'src/hashmap.rs', lines 97:4-114:5 *) @@ -97,11 +97,11 @@ let rec hashMap_insert_in_list_loop begin match ls with | List_Cons ckey cvalue tl -> if ckey = key - then Return (false, List_Cons ckey value tl) + then Ok (false, List_Cons ckey value tl) else let* (b, tl1) = hashMap_insert_in_list_loop t key value tl in - Return (b, List_Cons ckey cvalue tl1) - | List_Nil -> Return (true, List_Cons key value List_Nil) + Ok (b, List_Cons ckey cvalue tl1) + | List_Nil -> Ok (true, List_Cons key value List_Nil) end (** [hashmap::{hashmap::HashMap<T>}::insert_in_list]: @@ -130,8 +130,8 @@ let hashMap_insert_no_resize then let* i1 = usize_add self.num_entries 1 in let* v = index_mut_back l1 in - Return { self with num_entries = i1; slots = v } - else let* v = index_mut_back l1 in Return { self with slots = v } + Ok { self with num_entries = i1; slots = v } + else let* v = index_mut_back l1 in Ok { self with slots = v } (** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: loop 0: Source: 'src/hashmap.rs', lines 183:4-196:5 *) @@ -144,7 +144,7 @@ let rec hashMap_move_elements_from_list_loop | List_Cons k v tl -> let* ntable1 = hashMap_insert_no_resize t ntable k v in hashMap_move_elements_from_list_loop t ntable1 tl - | List_Nil -> Return ntable + | List_Nil -> Ok ntable end (** [hashmap::{hashmap::HashMap<T>}::move_elements_from_list]: @@ -172,7 +172,7 @@ let rec hashMap_move_elements_loop let* i2 = usize_add i 1 in let* slots1 = index_mut_back l1 in hashMap_move_elements_loop t ntable1 slots1 i2 - else Return (ntable, slots) + else Ok (ntable, slots) (** [hashmap::{hashmap::HashMap<T>}::move_elements]: Source: 'src/hashmap.rs', lines 171:4-171:95 *) @@ -198,10 +198,10 @@ let hashMap_try_resize let* ntable = hashMap_new_with_capacity t i3 i i1 in let* p = hashMap_move_elements t ntable self.slots 0 in let (ntable1, _) = p in - Return + Ok { ntable1 with num_entries = self.num_entries; max_load_factor = (i, i1) } - else Return { self with max_load_factor = (i, i1) } + else Ok { self with max_load_factor = (i, i1) } (** [hashmap::{hashmap::HashMap<T>}::insert]: Source: 'src/hashmap.rs', lines 129:4-129:48 *) @@ -211,7 +211,7 @@ let hashMap_insert = let* self1 = hashMap_insert_no_resize t self key value in let* i = hashMap_len t self1 in - if i > self1.max_load then hashMap_try_resize t self1 else Return self1 + if i > self1.max_load then hashMap_try_resize t self1 else Ok self1 (** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: loop 0: Source: 'src/hashmap.rs', lines 206:4-219:5 *) @@ -222,10 +222,8 @@ let rec hashMap_contains_key_in_list_loop = begin match ls with | List_Cons ckey _ tl -> - if ckey = key - then Return true - else hashMap_contains_key_in_list_loop t key tl - | List_Nil -> Return false + if ckey = key then Ok true else hashMap_contains_key_in_list_loop t key tl + | List_Nil -> Ok false end (** [hashmap::{hashmap::HashMap<T>}::contains_key_in_list]: @@ -255,7 +253,7 @@ let rec hashMap_get_in_list_loop = begin match ls with | List_Cons ckey cvalue tl -> - if ckey = key then Return cvalue else hashMap_get_in_list_loop t key tl + if ckey = key then Ok cvalue else hashMap_get_in_list_loop t key tl | List_Nil -> Fail Failure end @@ -286,14 +284,12 @@ let rec hashMap_get_mut_in_list_loop begin match ls with | List_Cons ckey cvalue tl -> if ckey = key - then - let back = fun ret -> Return (List_Cons ckey ret tl) in - Return (cvalue, back) + then let back = fun ret -> Ok (List_Cons ckey ret tl) in Ok (cvalue, back) else let* (x, back) = hashMap_get_mut_in_list_loop t tl key in let back1 = - fun ret -> let* tl1 = back ret in Return (List_Cons ckey cvalue tl1) in - Return (x, back1) + fun ret -> let* tl1 = back ret in Ok (List_Cons ckey cvalue tl1) in + Ok (x, back1) | List_Nil -> Fail Failure end @@ -323,8 +319,8 @@ let hashMap_get_mut fun ret -> let* l1 = get_mut_in_list_back ret in let* v = index_mut_back l1 in - Return { self with slots = v } in - Return (x, back) + Ok { self with slots = v } in + Ok (x, back) (** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: loop 0: Source: 'src/hashmap.rs', lines 265:4-291:5 *) @@ -340,13 +336,13 @@ let rec hashMap_remove_from_list_loop let (mv_ls, _) = core_mem_replace (list_t t) (List_Cons ckey x tl) List_Nil in begin match mv_ls with - | List_Cons _ cvalue tl1 -> Return (Some cvalue, tl1) + | List_Cons _ cvalue tl1 -> Ok (Some cvalue, tl1) | List_Nil -> Fail Failure end else let* (o, tl1) = hashMap_remove_from_list_loop t key tl in - Return (o, List_Cons ckey x tl1) - | List_Nil -> Return (None, List_Nil) + Ok (o, List_Cons ckey x tl1) + | List_Nil -> Ok (None, List_Nil) end (** [hashmap::{hashmap::HashMap<T>}::remove_from_list]: @@ -372,12 +368,11 @@ let hashMap_remove hash_mod in let* (x, l1) = hashMap_remove_from_list t key l in begin match x with - | None -> - let* v = index_mut_back l1 in Return (None, { self with slots = v }) + | None -> let* v = index_mut_back l1 in Ok (None, { self with slots = v }) | Some x1 -> let* i1 = usize_sub self.num_entries 1 in let* v = index_mut_back l1 in - Return (Some x1, { self with num_entries = i1; slots = v }) + Ok (Some x1, { self with num_entries = i1; slots = v }) end (** [hashmap::test1]: @@ -414,6 +409,6 @@ let test1 : result unit = then Fail Failure else let* i4 = hashMap_get u64 hm6 1056 in - if not (i4 = 256) then Fail Failure else Return () + if not (i4 = 256) then Fail Failure else Ok () end diff --git a/tests/fstar/hashmap/Primitives.fst b/tests/fstar/hashmap/Primitives.fst index fca80829..acdb09dc 100644 --- a/tests/fstar/hashmap/Primitives.fst +++ b/tests/fstar/hashmap/Primitives.fst @@ -23,11 +23,11 @@ type error : Type0 = | OutOfFuel type result (a : Type0) : Type0 = -| Return : v:a -> result a +| Ok : v:a -> result a | Fail : e:error -> result a // Monadic return operator -unfold let return (#a : Type0) (x : a) : result a = Return x +unfold let return (#a : Type0) (x : a) : result a = Ok x // Monadic bind operator. // Allows to use the notation: @@ -36,17 +36,17 @@ unfold let return (#a : Type0) (x : a) : result a = Return x // ... // ``` unfold let (let*) (#a #b : Type0) (m: result a) - (f: (x:a) -> Pure (result b) (requires (m == Return x)) (ensures fun _ -> True)) : + (f: (x:a) -> Pure (result b) (requires (m == Ok x)) (ensures fun _ -> True)) : result b = match m with - | Return x -> f x + | Ok x -> f x | Fail e -> Fail e // Monadic assert(...) -let massert (b:bool) : result unit = if b then Return () else Fail Failure +let massert (b:bool) : result unit = if b then Ok () else Fail Failure // Normalize and unwrap a successful result (used for globals). -let eval_global (#a : Type0) (x : result a{Return? (normalize_term x)}) : a = Return?.v x +let eval_global (#a : Type0) (x : result a{Ok? (normalize_term x)}) : a = Ok?.v x (*** Misc *) type char = FStar.Char.char @@ -144,7 +144,7 @@ let scalar_max (ty : scalar_ty) : int = type scalar (ty : scalar_ty) : eqtype = x:int{scalar_min ty <= x && x <= scalar_max ty} let mk_scalar (ty : scalar_ty) (x : int) : result (scalar ty) = - if scalar_min ty <= x && scalar_max ty >= x then Return x else Fail Failure + if scalar_min ty <= x && scalar_max ty >= x then Ok x else Fail Failure let scalar_neg (#ty : scalar_ty) (x : scalar ty) : result (scalar ty) = mk_scalar ty (-x) @@ -498,9 +498,9 @@ type core_ops_range_Range (a : Type0) = { (*** [alloc] *) -let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Return x +let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Ok x let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) = - Return (x, (fun x -> Return x)) + Ok (x, (fun x -> Ok x)) // Trait instance let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = { @@ -528,20 +528,20 @@ let mk_array (a : Type0) (n : usize) l let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (index x i) else Fail Failure let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : result (array a n) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (list_update x i nx) else Fail Failure let array_index_mut_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : result (a & (a -> result (array a n))) = match array_index_usize a n x i with | Fail e -> Fail e - | Return v -> - Return (v, array_update_usize a n x i) + | Ok v -> + Ok (v, array_update_usize a n x i) (*** Slice *) type slice (a : Type0) = s:list a{length s <= usize_max} @@ -549,30 +549,30 @@ type slice (a : Type0) = s:list a{length s <= usize_max} let slice_len (a : Type0) (s : slice a) : usize = length s let slice_index_usize (a : Type0) (x : slice a) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (index x i) else Fail Failure let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result (slice a) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (list_update x i nx) else Fail Failure let slice_index_mut_usize (a : Type0) (s : slice a) (i : usize) : result (a & (a -> result (slice a))) = match slice_index_usize a s i with | Fail e -> Fail e - | Return x -> - Return (x, slice_update_usize a s i) + | Ok x -> + Ok (x, slice_update_usize a s i) (*** Subslices *) -let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Return x +let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Ok x let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : result (array a n) = - if length s = n then Return s + if length s = n then Ok s else Fail Failure let array_to_slice_mut (a : Type0) (n : usize) (x : array a n) : result (slice a & (slice a -> result (array a n))) = - Return (x, array_from_slice a n x) + Ok (x, array_from_slice a n x) // TODO: finish the definitions below (there lacks [List.drop] and [List.take] in the standard library *) let array_subslice (a : Type0) (n : usize) (x : array a n) (r : core_ops_range_Range usize) : result (slice a) = @@ -598,16 +598,16 @@ let alloc_vec_Vec_len (a : Type0) (v : alloc_vec_Vec a) : usize = length v // Helper let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : result a = - if i < length v then Return (index v i) else Fail Failure + if i < length v then Ok (index v i) else Fail Failure // Helper let alloc_vec_Vec_update_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = - if i < length v then Return (list_update v i x) else Fail Failure + if i < length v then Ok (list_update v i x) else Fail Failure let alloc_vec_Vec_index_mut_usize (#a : Type0) (v: alloc_vec_Vec a) (i: usize) : result (a & (a → result (alloc_vec_Vec a))) = match alloc_vec_Vec_index_usize v i with - | Return x -> - Return (x, alloc_vec_Vec_update_usize v i) + | Ok x -> + Ok (x, alloc_vec_Vec_update_usize v i) | Fail e -> Fail e let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : @@ -616,17 +616,17 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : (ensures (fun res -> match res with | Fail e -> e == Failure - | Return v' -> length v' = length v + 1)) = + | Ok v' -> length v' = length v + 1)) = if length v < usize_max then begin (**) assert_norm(length [x] == 1); (**) append_length v [x]; (**) assert(length (append v [x]) = length v + 1); - Return (append v [x]) + Ok (append v [x]) end else Fail Failure let alloc_vec_Vec_insert (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = - if i < length v then Return (list_update v i x) else Fail Failure + if i < length v then Ok (list_update v i x) else Fail Failure // Trait declaration: [core::slice::index::private_slice_index::Sealed] type core_slice_index_private_slice_index_Sealed (self : Type0) = unit @@ -650,7 +650,7 @@ let core_slice_index_Slice_index let* x = inst.get i s in match x with | None -> Fail Failure - | Some x -> Return x + | Some x -> Ok x // [core::slice::index::Range:::get]: forward function let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize) (s : slice t) : diff --git a/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst b/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst index e0005c81..ff86e087 100644 --- a/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst +++ b/tests/fstar/hashmap_on_disk/HashmapMain.Funs.fst @@ -11,7 +11,7 @@ include HashmapMain.Clauses (** [hashmap_main::hashmap::hash_key]: Source: 'src/hashmap.rs', lines 27:0-27:32 *) let hashmap_hash_key (k : usize) : result usize = - Return k + Ok k (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: loop 0: Source: 'src/hashmap.rs', lines 50:4-56:5 *) @@ -26,7 +26,7 @@ let rec hashmap_HashMap_allocate_slots_loop in let* n1 = usize_sub n 1 in hashmap_HashMap_allocate_slots_loop t slots1 n1 - else Return slots + else Ok slots (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::allocate_slots]: Source: 'src/hashmap.rs', lines 50:4-50:76 *) @@ -48,7 +48,7 @@ let hashmap_HashMap_new_with_capacity capacity in let* i = usize_mul capacity max_load_dividend in let* i1 = usize_div i max_load_divisor in - Return + Ok { num_entries = 0; max_load_factor = (max_load_dividend, max_load_divisor); @@ -78,20 +78,20 @@ let rec hashmap_HashMap_clear_loop let* i2 = usize_add i 1 in let* slots1 = index_mut_back Hashmap_List_Nil in hashmap_HashMap_clear_loop t slots1 i2 - else Return slots + else Ok slots (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::clear]: Source: 'src/hashmap.rs', lines 80:4-80:27 *) let hashmap_HashMap_clear (t : Type0) (self : hashmap_HashMap_t t) : result (hashmap_HashMap_t t) = let* hm = hashmap_HashMap_clear_loop t self.slots 0 in - Return { self with num_entries = 0; slots = hm } + Ok { self with num_entries = 0; slots = hm } (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::len]: Source: 'src/hashmap.rs', lines 90:4-90:30 *) let hashmap_HashMap_len (t : Type0) (self : hashmap_HashMap_t t) : result usize = - Return self.num_entries + Ok self.num_entries (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: loop 0: Source: 'src/hashmap.rs', lines 97:4-114:5 *) @@ -103,12 +103,11 @@ let rec hashmap_HashMap_insert_in_list_loop begin match ls with | Hashmap_List_Cons ckey cvalue tl -> if ckey = key - then Return (false, Hashmap_List_Cons ckey value tl) + then Ok (false, Hashmap_List_Cons ckey value tl) else let* (b, tl1) = hashmap_HashMap_insert_in_list_loop t key value tl in - Return (b, Hashmap_List_Cons ckey cvalue tl1) - | Hashmap_List_Nil -> - Return (true, Hashmap_List_Cons key value Hashmap_List_Nil) + Ok (b, Hashmap_List_Cons ckey cvalue tl1) + | Hashmap_List_Nil -> Ok (true, Hashmap_List_Cons key value Hashmap_List_Nil) end (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert_in_list]: @@ -137,8 +136,8 @@ let hashmap_HashMap_insert_no_resize then let* i1 = usize_add self.num_entries 1 in let* v = index_mut_back l1 in - Return { self with num_entries = i1; slots = v } - else let* v = index_mut_back l1 in Return { self with slots = v } + Ok { self with num_entries = i1; slots = v } + else let* v = index_mut_back l1 in Ok { self with slots = v } (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: loop 0: Source: 'src/hashmap.rs', lines 183:4-196:5 *) @@ -152,7 +151,7 @@ let rec hashmap_HashMap_move_elements_from_list_loop | Hashmap_List_Cons k v tl -> let* ntable1 = hashmap_HashMap_insert_no_resize t ntable k v in hashmap_HashMap_move_elements_from_list_loop t ntable1 tl - | Hashmap_List_Nil -> Return ntable + | Hashmap_List_Nil -> Ok ntable end (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements_from_list]: @@ -183,7 +182,7 @@ let rec hashmap_HashMap_move_elements_loop let* i2 = usize_add i 1 in let* slots1 = index_mut_back l1 in hashmap_HashMap_move_elements_loop t ntable1 slots1 i2 - else Return (ntable, slots) + else Ok (ntable, slots) (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::move_elements]: Source: 'src/hashmap.rs', lines 171:4-171:95 *) @@ -209,10 +208,10 @@ let hashmap_HashMap_try_resize let* ntable = hashmap_HashMap_new_with_capacity t i3 i i1 in let* p = hashmap_HashMap_move_elements t ntable self.slots 0 in let (ntable1, _) = p in - Return + Ok { ntable1 with num_entries = self.num_entries; max_load_factor = (i, i1) } - else Return { self with max_load_factor = (i, i1) } + else Ok { self with max_load_factor = (i, i1) } (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::insert]: Source: 'src/hashmap.rs', lines 129:4-129:48 *) @@ -222,9 +221,7 @@ let hashmap_HashMap_insert = let* self1 = hashmap_HashMap_insert_no_resize t self key value in let* i = hashmap_HashMap_len t self1 in - if i > self1.max_load - then hashmap_HashMap_try_resize t self1 - else Return self1 + if i > self1.max_load then hashmap_HashMap_try_resize t self1 else Ok self1 (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: loop 0: Source: 'src/hashmap.rs', lines 206:4-219:5 *) @@ -236,9 +233,9 @@ let rec hashmap_HashMap_contains_key_in_list_loop begin match ls with | Hashmap_List_Cons ckey _ tl -> if ckey = key - then Return true + then Ok true else hashmap_HashMap_contains_key_in_list_loop t key tl - | Hashmap_List_Nil -> Return false + | Hashmap_List_Nil -> Ok false end (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::contains_key_in_list]: @@ -269,9 +266,7 @@ let rec hashmap_HashMap_get_in_list_loop = begin match ls with | Hashmap_List_Cons ckey cvalue tl -> - if ckey = key - then Return cvalue - else hashmap_HashMap_get_in_list_loop t key tl + if ckey = key then Ok cvalue else hashmap_HashMap_get_in_list_loop t key tl | Hashmap_List_Nil -> Fail Failure end @@ -305,14 +300,14 @@ let rec hashmap_HashMap_get_mut_in_list_loop | Hashmap_List_Cons ckey cvalue tl -> if ckey = key then - let back = fun ret -> Return (Hashmap_List_Cons ckey ret tl) in - Return (cvalue, back) + let back = fun ret -> Ok (Hashmap_List_Cons ckey ret tl) in + Ok (cvalue, back) else let* (x, back) = hashmap_HashMap_get_mut_in_list_loop t tl key in let back1 = fun ret -> - let* tl1 = back ret in Return (Hashmap_List_Cons ckey cvalue tl1) in - Return (x, back1) + let* tl1 = back ret in Ok (Hashmap_List_Cons ckey cvalue tl1) in + Ok (x, back1) | Hashmap_List_Nil -> Fail Failure end @@ -342,8 +337,8 @@ let hashmap_HashMap_get_mut fun ret -> let* l1 = get_mut_in_list_back ret in let* v = index_mut_back l1 in - Return { self with slots = v } in - Return (x, back) + Ok { self with slots = v } in + Ok (x, back) (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: loop 0: Source: 'src/hashmap.rs', lines 265:4-291:5 *) @@ -360,13 +355,13 @@ let rec hashmap_HashMap_remove_from_list_loop core_mem_replace (hashmap_List_t t) (Hashmap_List_Cons ckey x tl) Hashmap_List_Nil in begin match mv_ls with - | Hashmap_List_Cons _ cvalue tl1 -> Return (Some cvalue, tl1) + | Hashmap_List_Cons _ cvalue tl1 -> Ok (Some cvalue, tl1) | Hashmap_List_Nil -> Fail Failure end else let* (o, tl1) = hashmap_HashMap_remove_from_list_loop t key tl in - Return (o, Hashmap_List_Cons ckey x tl1) - | Hashmap_List_Nil -> Return (None, Hashmap_List_Nil) + Ok (o, Hashmap_List_Cons ckey x tl1) + | Hashmap_List_Nil -> Ok (None, Hashmap_List_Nil) end (** [hashmap_main::hashmap::{hashmap_main::hashmap::HashMap<T>}::remove_from_list]: @@ -392,12 +387,11 @@ let hashmap_HashMap_remove self.slots hash_mod in let* (x, l1) = hashmap_HashMap_remove_from_list t key l in begin match x with - | None -> - let* v = index_mut_back l1 in Return (None, { self with slots = v }) + | None -> let* v = index_mut_back l1 in Ok (None, { self with slots = v }) | Some x1 -> let* i1 = usize_sub self.num_entries 1 in let* v = index_mut_back l1 in - Return (Some x1, { self with num_entries = i1; slots = v }) + Ok (Some x1, { self with num_entries = i1; slots = v }) end (** [hashmap_main::hashmap::test1]: @@ -434,7 +428,7 @@ let hashmap_test1 : result unit = then Fail Failure else let* i4 = hashmap_HashMap_get u64 hm6 1056 in - if not (i4 = 256) then Fail Failure else Return () + if not (i4 = 256) then Fail Failure else Ok () end (** [hashmap_main::insert_on_disk]: @@ -448,5 +442,5 @@ let insert_on_disk (** [hashmap_main::main]: Source: 'src/hashmap_main.rs', lines 16:0-16:13 *) let main : result unit = - Return () + Ok () diff --git a/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst b/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst index 358df29e..beb3dc2c 100644 --- a/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst +++ b/tests/fstar/hashmap_on_disk/HashmapMain.Properties.fst @@ -20,7 +20,7 @@ assume val serialize_lem (hm : hashmap_HashMap_t u64) (st : state) : Lemma ( match hashmap_utils_serialize hm st with | Fail _ -> True - | Return (st', ()) -> state_v st' == hm) + | Ok (st', ()) -> state_v st' == hm) [SMTPat (hashmap_utils_serialize hm st)] /// [deserialize] gives us the hash map stored on disk, without updating it @@ -28,7 +28,7 @@ assume val deserialize_lem (st : state) : Lemma ( match hashmap_utils_deserialize st with | Fail _ -> True - | Return (st', hm) -> hm == state_v st /\ st' == st) + | Ok (st', hm) -> hm == state_v st /\ st' == st) [SMTPat (hashmap_utils_deserialize st)] (*** Lemmas *) @@ -39,10 +39,10 @@ val deserialize_lem (st : state) : Lemma ( val insert_on_disk_lem (key : usize) (value : u64) (st : state) : Lemma ( match insert_on_disk key value st with | Fail _ -> True - | Return (st', ()) -> + | Ok (st', ()) -> let hm = state_v st in match hashmap_HashMap_insert u64 hm key value with | Fail _ -> False - | Return hm' -> hm' == state_v st') + | Ok hm' -> hm' == state_v st') let insert_on_disk_lem key value st = () diff --git a/tests/fstar/hashmap_on_disk/Primitives.fst b/tests/fstar/hashmap_on_disk/Primitives.fst index fca80829..acdb09dc 100644 --- a/tests/fstar/hashmap_on_disk/Primitives.fst +++ b/tests/fstar/hashmap_on_disk/Primitives.fst @@ -23,11 +23,11 @@ type error : Type0 = | OutOfFuel type result (a : Type0) : Type0 = -| Return : v:a -> result a +| Ok : v:a -> result a | Fail : e:error -> result a // Monadic return operator -unfold let return (#a : Type0) (x : a) : result a = Return x +unfold let return (#a : Type0) (x : a) : result a = Ok x // Monadic bind operator. // Allows to use the notation: @@ -36,17 +36,17 @@ unfold let return (#a : Type0) (x : a) : result a = Return x // ... // ``` unfold let (let*) (#a #b : Type0) (m: result a) - (f: (x:a) -> Pure (result b) (requires (m == Return x)) (ensures fun _ -> True)) : + (f: (x:a) -> Pure (result b) (requires (m == Ok x)) (ensures fun _ -> True)) : result b = match m with - | Return x -> f x + | Ok x -> f x | Fail e -> Fail e // Monadic assert(...) -let massert (b:bool) : result unit = if b then Return () else Fail Failure +let massert (b:bool) : result unit = if b then Ok () else Fail Failure // Normalize and unwrap a successful result (used for globals). -let eval_global (#a : Type0) (x : result a{Return? (normalize_term x)}) : a = Return?.v x +let eval_global (#a : Type0) (x : result a{Ok? (normalize_term x)}) : a = Ok?.v x (*** Misc *) type char = FStar.Char.char @@ -144,7 +144,7 @@ let scalar_max (ty : scalar_ty) : int = type scalar (ty : scalar_ty) : eqtype = x:int{scalar_min ty <= x && x <= scalar_max ty} let mk_scalar (ty : scalar_ty) (x : int) : result (scalar ty) = - if scalar_min ty <= x && scalar_max ty >= x then Return x else Fail Failure + if scalar_min ty <= x && scalar_max ty >= x then Ok x else Fail Failure let scalar_neg (#ty : scalar_ty) (x : scalar ty) : result (scalar ty) = mk_scalar ty (-x) @@ -498,9 +498,9 @@ type core_ops_range_Range (a : Type0) = { (*** [alloc] *) -let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Return x +let alloc_boxed_Box_deref (t : Type0) (x : t) : result t = Ok x let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) = - Return (x, (fun x -> Return x)) + Ok (x, (fun x -> Ok x)) // Trait instance let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = { @@ -528,20 +528,20 @@ let mk_array (a : Type0) (n : usize) l let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (index x i) else Fail Failure let array_update_usize (a : Type0) (n : usize) (x : array a n) (i : usize) (nx : a) : result (array a n) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (list_update x i nx) else Fail Failure let array_index_mut_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : result (a & (a -> result (array a n))) = match array_index_usize a n x i with | Fail e -> Fail e - | Return v -> - Return (v, array_update_usize a n x i) + | Ok v -> + Ok (v, array_update_usize a n x i) (*** Slice *) type slice (a : Type0) = s:list a{length s <= usize_max} @@ -549,30 +549,30 @@ type slice (a : Type0) = s:list a{length s <= usize_max} let slice_len (a : Type0) (s : slice a) : usize = length s let slice_index_usize (a : Type0) (x : slice a) (i : usize) : result a = - if i < length x then Return (index x i) + if i < length x then Ok (index x i) else Fail Failure let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result (slice a) = - if i < length x then Return (list_update x i nx) + if i < length x then Ok (list_update x i nx) else Fail Failure let slice_index_mut_usize (a : Type0) (s : slice a) (i : usize) : result (a & (a -> result (slice a))) = match slice_index_usize a s i with | Fail e -> Fail e - | Return x -> - Return (x, slice_update_usize a s i) + | Ok x -> + Ok (x, slice_update_usize a s i) (*** Subslices *) -let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Return x +let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Ok x let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : result (array a n) = - if length s = n then Return s + if length s = n then Ok s else Fail Failure let array_to_slice_mut (a : Type0) (n : usize) (x : array a n) : result (slice a & (slice a -> result (array a n))) = - Return (x, array_from_slice a n x) + Ok (x, array_from_slice a n x) // TODO: finish the definitions below (there lacks [List.drop] and [List.take] in the standard library *) let array_subslice (a : Type0) (n : usize) (x : array a n) (r : core_ops_range_Range usize) : result (slice a) = @@ -598,16 +598,16 @@ let alloc_vec_Vec_len (a : Type0) (v : alloc_vec_Vec a) : usize = length v // Helper let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : result a = - if i < length v then Return (index v i) else Fail Failure + if i < length v then Ok (index v i) else Fail Failure // Helper let alloc_vec_Vec_update_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = - if i < length v then Return (list_update v i x) else Fail Failure + if i < length v then Ok (list_update v i x) else Fail Failure let alloc_vec_Vec_index_mut_usize (#a : Type0) (v: alloc_vec_Vec a) (i: usize) : result (a & (a → result (alloc_vec_Vec a))) = match alloc_vec_Vec_index_usize v i with - | Return x -> - Return (x, alloc_vec_Vec_update_usize v i) + | Ok x -> + Ok (x, alloc_vec_Vec_update_usize v i) | Fail e -> Fail e let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : @@ -616,17 +616,17 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) : (ensures (fun res -> match res with | Fail e -> e == Failure - | Return v' -> length v' = length v + 1)) = + | Ok v' -> length v' = length v + 1)) = if length v < usize_max then begin (**) assert_norm(length [x] == 1); (**) append_length v [x]; (**) assert(length (append v [x]) = length v + 1); - Return (append v [x]) + Ok (append v [x]) end else Fail Failure let alloc_vec_Vec_insert (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result (alloc_vec_Vec a) = - if i < length v then Return (list_update v i x) else Fail Failure + if i < length v then Ok (list_update v i x) else Fail Failure // Trait declaration: [core::slice::index::private_slice_index::Sealed] type core_slice_index_private_slice_index_Sealed (self : Type0) = unit @@ -650,7 +650,7 @@ let core_slice_index_Slice_index let* x = inst.get i s in match x with | None -> Fail Failure - | Some x -> Return x + | Some x -> Ok x // [core::slice::index::Range:::get]: forward function let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize) (s : slice t) : |