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-rw-r--r--tests/fstar/array/Array.Clauses.Template.fst4
-rw-r--r--tests/fstar/array/Array.Funs.fst389
-rw-r--r--tests/fstar/array/Primitives.fst132
3 files changed, 235 insertions, 290 deletions
diff --git a/tests/fstar/array/Array.Clauses.Template.fst b/tests/fstar/array/Array.Clauses.Template.fst
index 84347ab9..b2f2649c 100644
--- a/tests/fstar/array/Array.Clauses.Template.fst
+++ b/tests/fstar/array/Array.Clauses.Template.fst
@@ -9,13 +9,13 @@ open Array.Types
(** [array::sum]: decreases clause
Source: 'src/array.rs', lines 242:0-250:1 *)
unfold
-let sum_loop_decreases (s : slice u32) (sum0 : u32) (i : usize) : nat =
+let sum_loop_decreases (s : slice u32) (sum1 : u32) (i : usize) : nat =
admit ()
(** [array::sum2]: decreases clause
Source: 'src/array.rs', lines 252:0-261:1 *)
unfold
-let sum2_loop_decreases (s : slice u32) (s2 : slice u32) (sum0 : u32)
+let sum2_loop_decreases (s : slice u32) (s2 : slice u32) (sum1 : u32)
(i : usize) : nat =
admit ()
diff --git a/tests/fstar/array/Array.Funs.fst b/tests/fstar/array/Array.Funs.fst
index 935bd9c9..da4164bc 100644
--- a/tests/fstar/array/Array.Funs.fst
+++ b/tests/fstar/array/Array.Funs.fst
@@ -7,86 +7,82 @@ include Array.Clauses
#set-options "--z3rlimit 50 --fuel 1 --ifuel 1"
-(** [array::incr]: merged forward/backward function
- (there is a single backward function, and the forward function returns ())
+(** [array::incr]:
Source: 'src/array.rs', lines 8:0-8:24 *)
let incr (x : u32) : result u32 =
u32_add x 1
-(** [array::array_to_shared_slice_]: forward function
+(** [array::array_to_shared_slice_]:
Source: 'src/array.rs', lines 16:0-16:53 *)
let array_to_shared_slice_ (t : Type0) (s : array t 32) : result (slice t) =
array_to_slice t 32 s
-(** [array::array_to_mut_slice_]: forward function
+(** [array::array_to_mut_slice_]:
Source: 'src/array.rs', lines 21:0-21:58 *)
-let array_to_mut_slice_ (t : Type0) (s : array t 32) : result (slice t) =
- array_to_slice t 32 s
-
-(** [array::array_to_mut_slice_]: backward function 0
- Source: 'src/array.rs', lines 21:0-21:58 *)
-let array_to_mut_slice__back
- (t : Type0) (s : array t 32) (ret : slice t) : result (array t 32) =
- array_from_slice t 32 s ret
+let array_to_mut_slice_
+ (t : Type0) (s : array t 32) :
+ result ((slice t) & (slice t -> result (array t 32)))
+ =
+ let* (s1, to_slice_mut_back) = array_to_slice_mut t 32 s in
+ let back = fun ret -> to_slice_mut_back ret in
+ Return (s1, back)
-(** [array::array_len]: forward function
+(** [array::array_len]:
Source: 'src/array.rs', lines 25:0-25:40 *)
let array_len (t : Type0) (s : array t 32) : result usize =
- let* s0 = array_to_slice t 32 s in let i = slice_len t s0 in Return i
+ let* s1 = array_to_slice t 32 s in let i = slice_len t s1 in Return i
-(** [array::shared_array_len]: forward function
+(** [array::shared_array_len]:
Source: 'src/array.rs', lines 29:0-29:48 *)
let shared_array_len (t : Type0) (s : array t 32) : result usize =
- let* s0 = array_to_slice t 32 s in let i = slice_len t s0 in Return i
+ let* s1 = array_to_slice t 32 s in let i = slice_len t s1 in Return i
-(** [array::shared_slice_len]: forward function
+(** [array::shared_slice_len]:
Source: 'src/array.rs', lines 33:0-33:44 *)
let shared_slice_len (t : Type0) (s : slice t) : result usize =
let i = slice_len t s in Return i
-(** [array::index_array_shared]: forward function
+(** [array::index_array_shared]:
Source: 'src/array.rs', lines 37:0-37:57 *)
let index_array_shared (t : Type0) (s : array t 32) (i : usize) : result t =
array_index_usize t 32 s i
-(** [array::index_array_u32]: forward function
+(** [array::index_array_u32]:
Source: 'src/array.rs', lines 44:0-44:53 *)
let index_array_u32 (s : array u32 32) (i : usize) : result u32 =
array_index_usize u32 32 s i
-(** [array::index_array_copy]: forward function
+(** [array::index_array_copy]:
Source: 'src/array.rs', lines 48:0-48:45 *)
let index_array_copy (x : array u32 32) : result u32 =
array_index_usize u32 32 x 0
-(** [array::index_mut_array]: forward function
- Source: 'src/array.rs', lines 52:0-52:62 *)
-let index_mut_array (t : Type0) (s : array t 32) (i : usize) : result t =
- array_index_usize t 32 s i
-
-(** [array::index_mut_array]: backward function 0
+(** [array::index_mut_array]:
Source: 'src/array.rs', lines 52:0-52:62 *)
-let index_mut_array_back
- (t : Type0) (s : array t 32) (i : usize) (ret : t) : result (array t 32) =
- array_update_usize t 32 s i ret
+let index_mut_array
+ (t : Type0) (s : array t 32) (i : usize) :
+ result (t & (t -> result (array t 32)))
+ =
+ let* (x, index_mut_back) = array_index_mut_usize t 32 s i in
+ let back = fun ret -> index_mut_back ret in
+ Return (x, back)
-(** [array::index_slice]: forward function
+(** [array::index_slice]:
Source: 'src/array.rs', lines 56:0-56:46 *)
let index_slice (t : Type0) (s : slice t) (i : usize) : result t =
slice_index_usize t s i
-(** [array::index_mut_slice]: forward function
- Source: 'src/array.rs', lines 60:0-60:58 *)
-let index_mut_slice (t : Type0) (s : slice t) (i : usize) : result t =
- slice_index_usize t s i
-
-(** [array::index_mut_slice]: backward function 0
+(** [array::index_mut_slice]:
Source: 'src/array.rs', lines 60:0-60:58 *)
-let index_mut_slice_back
- (t : Type0) (s : slice t) (i : usize) (ret : t) : result (slice t) =
- slice_update_usize t s i ret
+let index_mut_slice
+ (t : Type0) (s : slice t) (i : usize) :
+ result (t & (t -> result (slice t)))
+ =
+ let* (x, index_mut_back) = slice_index_mut_usize t s i in
+ let back = fun ret -> index_mut_back ret in
+ Return (x, back)
-(** [array::slice_subslice_shared_]: forward function
+(** [array::slice_subslice_shared_]:
Source: 'src/array.rs', lines 64:0-64:70 *)
let slice_subslice_shared_
(x : slice u32) (y : usize) (z : usize) : result (slice u32) =
@@ -94,41 +90,35 @@ let slice_subslice_shared_
(core_slice_index_SliceIndexRangeUsizeSliceTInst u32) x
{ start = y; end_ = z }
-(** [array::slice_subslice_mut_]: forward function
+(** [array::slice_subslice_mut_]:
Source: 'src/array.rs', lines 68:0-68:75 *)
let slice_subslice_mut_
- (x : slice u32) (y : usize) (z : usize) : result (slice u32) =
- core_slice_index_Slice_index_mut u32 (core_ops_range_Range usize)
- (core_slice_index_SliceIndexRangeUsizeSliceTInst u32) x
- { start = y; end_ = z }
-
-(** [array::slice_subslice_mut_]: backward function 0
- Source: 'src/array.rs', lines 68:0-68:75 *)
-let slice_subslice_mut__back
- (x : slice u32) (y : usize) (z : usize) (ret : slice u32) :
- result (slice u32)
+ (x : slice u32) (y : usize) (z : usize) :
+ result ((slice u32) & (slice u32 -> result (slice u32)))
=
- core_slice_index_Slice_index_mut_back u32 (core_ops_range_Range usize)
- (core_slice_index_SliceIndexRangeUsizeSliceTInst u32) x
- { start = y; end_ = z } ret
-
-(** [array::array_to_slice_shared_]: forward function
+ let* (s, index_mut_back) =
+ core_slice_index_Slice_index_mut u32 (core_ops_range_Range usize)
+ (core_slice_index_SliceIndexRangeUsizeSliceTInst u32) x
+ { start = y; end_ = z } in
+ let back = fun ret -> index_mut_back ret in
+ Return (s, back)
+
+(** [array::array_to_slice_shared_]:
Source: 'src/array.rs', lines 72:0-72:54 *)
let array_to_slice_shared_ (x : array u32 32) : result (slice u32) =
array_to_slice u32 32 x
-(** [array::array_to_slice_mut_]: forward function
+(** [array::array_to_slice_mut_]:
Source: 'src/array.rs', lines 76:0-76:59 *)
-let array_to_slice_mut_ (x : array u32 32) : result (slice u32) =
- array_to_slice u32 32 x
-
-(** [array::array_to_slice_mut_]: backward function 0
- Source: 'src/array.rs', lines 76:0-76:59 *)
-let array_to_slice_mut__back
- (x : array u32 32) (ret : slice u32) : result (array u32 32) =
- array_from_slice u32 32 x ret
+let array_to_slice_mut_
+ (x : array u32 32) :
+ result ((slice u32) & (slice u32 -> result (array u32 32)))
+ =
+ let* (s, to_slice_mut_back) = array_to_slice_mut u32 32 x in
+ let back = fun ret -> to_slice_mut_back ret in
+ Return (s, back)
-(** [array::array_subslice_shared_]: forward function
+(** [array::array_subslice_shared_]:
Source: 'src/array.rs', lines 80:0-80:74 *)
let array_subslice_shared_
(x : array u32 32) (y : usize) (z : usize) : result (slice u32) =
@@ -137,274 +127,263 @@ let array_subslice_shared_
(core_slice_index_SliceIndexRangeUsizeSliceTInst u32)) x
{ start = y; end_ = z }
-(** [array::array_subslice_mut_]: forward function
+(** [array::array_subslice_mut_]:
Source: 'src/array.rs', lines 84:0-84:79 *)
let array_subslice_mut_
- (x : array u32 32) (y : usize) (z : usize) : result (slice u32) =
- core_array_Array_index_mut u32 (core_ops_range_Range usize) 32
- (core_ops_index_IndexMutSliceTIInst u32 (core_ops_range_Range usize)
- (core_slice_index_SliceIndexRangeUsizeSliceTInst u32)) x
- { start = y; end_ = z }
-
-(** [array::array_subslice_mut_]: backward function 0
- Source: 'src/array.rs', lines 84:0-84:79 *)
-let array_subslice_mut__back
- (x : array u32 32) (y : usize) (z : usize) (ret : slice u32) :
- result (array u32 32)
+ (x : array u32 32) (y : usize) (z : usize) :
+ result ((slice u32) & (slice u32 -> result (array u32 32)))
=
- core_array_Array_index_mut_back u32 (core_ops_range_Range usize) 32
- (core_ops_index_IndexMutSliceTIInst u32 (core_ops_range_Range usize)
- (core_slice_index_SliceIndexRangeUsizeSliceTInst u32)) x
- { start = y; end_ = z } ret
+ let* (s, index_mut_back) =
+ core_array_Array_index_mut u32 (core_ops_range_Range usize) 32
+ (core_ops_index_IndexMutSliceTIInst u32 (core_ops_range_Range usize)
+ (core_slice_index_SliceIndexRangeUsizeSliceTInst u32)) x
+ { start = y; end_ = z } in
+ let back = fun ret -> index_mut_back ret in
+ Return (s, back)
-(** [array::index_slice_0]: forward function
+(** [array::index_slice_0]:
Source: 'src/array.rs', lines 88:0-88:38 *)
let index_slice_0 (t : Type0) (s : slice t) : result t =
slice_index_usize t s 0
-(** [array::index_array_0]: forward function
+(** [array::index_array_0]:
Source: 'src/array.rs', lines 92:0-92:42 *)
let index_array_0 (t : Type0) (s : array t 32) : result t =
array_index_usize t 32 s 0
-(** [array::index_index_array]: forward function
+(** [array::index_index_array]:
Source: 'src/array.rs', lines 103:0-103:71 *)
let index_index_array
(s : array (array u32 32) 32) (i : usize) (j : usize) : result u32 =
let* a = array_index_usize (array u32 32) 32 s i in
array_index_usize u32 32 a j
-(** [array::update_update_array]: forward function
+(** [array::update_update_array]:
Source: 'src/array.rs', lines 114:0-114:70 *)
let update_update_array
(s : array (array u32 32) 32) (i : usize) (j : usize) : result unit =
- let* a = array_index_usize (array u32 32) 32 s i in
- let* a0 = array_update_usize u32 32 a j 0 in
- let* _ = array_update_usize (array u32 32) 32 s i a0 in
+ let* (a, index_mut_back) = array_index_mut_usize (array u32 32) 32 s i in
+ let* (_, index_mut_back1) = array_index_mut_usize u32 32 a j in
+ let* a1 = index_mut_back1 0 in
+ let* _ = index_mut_back a1 in
Return ()
-(** [array::array_local_deep_copy]: forward function
+(** [array::array_local_deep_copy]:
Source: 'src/array.rs', lines 118:0-118:43 *)
let array_local_deep_copy (x : array u32 32) : result unit =
Return ()
-(** [array::take_array]: forward function
+(** [array::take_array]:
Source: 'src/array.rs', lines 122:0-122:30 *)
let take_array (a : array u32 2) : result unit =
Return ()
-(** [array::take_array_borrow]: forward function
+(** [array::take_array_borrow]:
Source: 'src/array.rs', lines 123:0-123:38 *)
let take_array_borrow (a : array u32 2) : result unit =
Return ()
-(** [array::take_slice]: forward function
+(** [array::take_slice]:
Source: 'src/array.rs', lines 124:0-124:28 *)
let take_slice (s : slice u32) : result unit =
Return ()
-(** [array::take_mut_slice]: merged forward/backward function
- (there is a single backward function, and the forward function returns ())
+(** [array::take_mut_slice]:
Source: 'src/array.rs', lines 125:0-125:36 *)
let take_mut_slice (s : slice u32) : result (slice u32) =
Return s
-(** [array::const_array]: forward function
+(** [array::const_array]:
Source: 'src/array.rs', lines 127:0-127:32 *)
let const_array : result (array u32 2) =
Return (mk_array u32 2 [ 0; 0 ])
-(** [array::const_slice]: forward function
+(** [array::const_slice]:
Source: 'src/array.rs', lines 131:0-131:20 *)
let const_slice : result unit =
let* _ = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in Return ()
-(** [array::take_all]: forward function
+(** [array::take_all]:
Source: 'src/array.rs', lines 141:0-141:17 *)
let take_all : result unit =
let* _ = take_array (mk_array u32 2 [ 0; 0 ]) in
+ let* _ = take_array (mk_array u32 2 [ 0; 0 ]) in
let* _ = take_array_borrow (mk_array u32 2 [ 0; 0 ]) in
let* s = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
let* _ = take_slice s in
- let* s0 = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
- let* s1 = take_mut_slice s0 in
- let* _ = array_from_slice u32 2 (mk_array u32 2 [ 0; 0 ]) s1 in
+ let* (s1, to_slice_mut_back) =
+ array_to_slice_mut u32 2 (mk_array u32 2 [ 0; 0 ]) in
+ let* s2 = take_mut_slice s1 in
+ let* _ = to_slice_mut_back s2 in
Return ()
-(** [array::index_array]: forward function
+(** [array::index_array]:
Source: 'src/array.rs', lines 155:0-155:38 *)
let index_array (x : array u32 2) : result u32 =
array_index_usize u32 2 x 0
-(** [array::index_array_borrow]: forward function
+(** [array::index_array_borrow]:
Source: 'src/array.rs', lines 158:0-158:46 *)
let index_array_borrow (x : array u32 2) : result u32 =
array_index_usize u32 2 x 0
-(** [array::index_slice_u32_0]: forward function
+(** [array::index_slice_u32_0]:
Source: 'src/array.rs', lines 162:0-162:42 *)
let index_slice_u32_0 (x : slice u32) : result u32 =
slice_index_usize u32 x 0
-(** [array::index_mut_slice_u32_0]: forward function
- Source: 'src/array.rs', lines 166:0-166:50 *)
-let index_mut_slice_u32_0 (x : slice u32) : result u32 =
- slice_index_usize u32 x 0
-
-(** [array::index_mut_slice_u32_0]: backward function 0
+(** [array::index_mut_slice_u32_0]:
Source: 'src/array.rs', lines 166:0-166:50 *)
-let index_mut_slice_u32_0_back (x : slice u32) : result (slice u32) =
- let* _ = slice_index_usize u32 x 0 in Return x
+let index_mut_slice_u32_0 (x : slice u32) : result (u32 & (slice u32)) =
+ let* i = slice_index_usize u32 x 0 in Return (i, x)
-(** [array::index_all]: forward function
+(** [array::index_all]:
Source: 'src/array.rs', lines 170:0-170:25 *)
let index_all : result u32 =
let* i = index_array (mk_array u32 2 [ 0; 0 ]) in
- let* i0 = index_array (mk_array u32 2 [ 0; 0 ]) in
- let* i1 = u32_add i i0 in
- let* i2 = index_array_borrow (mk_array u32 2 [ 0; 0 ]) in
- let* i3 = u32_add i1 i2 in
+ let* i1 = index_array (mk_array u32 2 [ 0; 0 ]) in
+ let* i2 = u32_add i i1 in
+ let* i3 = index_array_borrow (mk_array u32 2 [ 0; 0 ]) in
+ let* i4 = u32_add i2 i3 in
let* s = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
- let* i4 = index_slice_u32_0 s in
- let* i5 = u32_add i3 i4 in
- let* s0 = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
- let* i6 = index_mut_slice_u32_0 s0 in
- let* i7 = u32_add i5 i6 in
- let* s1 = index_mut_slice_u32_0_back s0 in
- let* _ = array_from_slice u32 2 (mk_array u32 2 [ 0; 0 ]) s1 in
- Return i7
-
-(** [array::update_array]: forward function
+ let* i5 = index_slice_u32_0 s in
+ let* i6 = u32_add i4 i5 in
+ let* (s1, to_slice_mut_back) =
+ array_to_slice_mut u32 2 (mk_array u32 2 [ 0; 0 ]) in
+ let* (i7, s2) = index_mut_slice_u32_0 s1 in
+ let* i8 = u32_add i6 i7 in
+ let* _ = to_slice_mut_back s2 in
+ Return i8
+
+(** [array::update_array]:
Source: 'src/array.rs', lines 184:0-184:36 *)
let update_array (x : array u32 2) : result unit =
- let* _ = array_update_usize u32 2 x 0 1 in Return ()
+ let* (_, index_mut_back) = array_index_mut_usize u32 2 x 0 in
+ let* _ = index_mut_back 1 in
+ Return ()
-(** [array::update_array_mut_borrow]: merged forward/backward function
- (there is a single backward function, and the forward function returns ())
+(** [array::update_array_mut_borrow]:
Source: 'src/array.rs', lines 187:0-187:48 *)
let update_array_mut_borrow (x : array u32 2) : result (array u32 2) =
- array_update_usize u32 2 x 0 1
+ let* (_, index_mut_back) = array_index_mut_usize u32 2 x 0 in
+ index_mut_back 1
-(** [array::update_mut_slice]: merged forward/backward function
- (there is a single backward function, and the forward function returns ())
+(** [array::update_mut_slice]:
Source: 'src/array.rs', lines 190:0-190:38 *)
let update_mut_slice (x : slice u32) : result (slice u32) =
- slice_update_usize u32 x 0 1
+ let* (_, index_mut_back) = slice_index_mut_usize u32 x 0 in index_mut_back 1
-(** [array::update_all]: forward function
+(** [array::update_all]:
Source: 'src/array.rs', lines 194:0-194:19 *)
let update_all : result unit =
let* _ = update_array (mk_array u32 2 [ 0; 0 ]) in
- let* x = update_array_mut_borrow (mk_array u32 2 [ 0; 0 ]) in
- let* s = array_to_slice u32 2 x in
- let* s0 = update_mut_slice s in
- let* _ = array_from_slice u32 2 x s0 in
+ let* _ = update_array (mk_array u32 2 [ 0; 0 ]) in
+ let* a = update_array_mut_borrow (mk_array u32 2 [ 0; 0 ]) in
+ let* (s, to_slice_mut_back) = array_to_slice_mut u32 2 a in
+ let* s1 = update_mut_slice s in
+ let* _ = to_slice_mut_back s1 in
Return ()
-(** [array::range_all]: forward function
+(** [array::range_all]:
Source: 'src/array.rs', lines 205:0-205:18 *)
let range_all : result unit =
- let* s =
+ let* (s, index_mut_back) =
core_array_Array_index_mut u32 (core_ops_range_Range usize) 4
(core_ops_index_IndexMutSliceTIInst u32 (core_ops_range_Range usize)
(core_slice_index_SliceIndexRangeUsizeSliceTInst u32))
(mk_array u32 4 [ 0; 0; 0; 0 ]) { start = 1; end_ = 3 } in
- let* s0 = update_mut_slice s in
- let* _ =
- core_array_Array_index_mut_back u32 (core_ops_range_Range usize) 4
- (core_ops_index_IndexMutSliceTIInst u32 (core_ops_range_Range usize)
- (core_slice_index_SliceIndexRangeUsizeSliceTInst u32))
- (mk_array u32 4 [ 0; 0; 0; 0 ]) { start = 1; end_ = 3 } s0 in
+ let* s1 = update_mut_slice s in
+ let* _ = index_mut_back s1 in
Return ()
-(** [array::deref_array_borrow]: forward function
+(** [array::deref_array_borrow]:
Source: 'src/array.rs', lines 214:0-214:46 *)
let deref_array_borrow (x : array u32 2) : result u32 =
array_index_usize u32 2 x 0
-(** [array::deref_array_mut_borrow]: forward function
+(** [array::deref_array_mut_borrow]:
Source: 'src/array.rs', lines 219:0-219:54 *)
-let deref_array_mut_borrow (x : array u32 2) : result u32 =
- array_index_usize u32 2 x 0
+let deref_array_mut_borrow (x : array u32 2) : result (u32 & (array u32 2)) =
+ let* i = array_index_usize u32 2 x 0 in Return (i, x)
-(** [array::deref_array_mut_borrow]: backward function 0
- Source: 'src/array.rs', lines 219:0-219:54 *)
-let deref_array_mut_borrow_back (x : array u32 2) : result (array u32 2) =
- let* _ = array_index_usize u32 2 x 0 in Return x
-
-(** [array::take_array_t]: forward function
+(** [array::take_array_t]:
Source: 'src/array.rs', lines 227:0-227:31 *)
let take_array_t (a : array aB_t 2) : result unit =
Return ()
-(** [array::non_copyable_array]: forward function
+(** [array::non_copyable_array]:
Source: 'src/array.rs', lines 229:0-229:27 *)
let non_copyable_array : result unit =
let* _ = take_array_t (mk_array aB_t 2 [ AB_A; AB_B ]) in Return ()
-(** [array::sum]: loop 0: forward function
+(** [array::sum]: loop 0:
Source: 'src/array.rs', lines 242:0-250:1 *)
let rec sum_loop
- (s : slice u32) (sum0 : u32) (i : usize) :
- Tot (result u32) (decreases (sum_loop_decreases s sum0 i))
+ (s : slice u32) (sum1 : u32) (i : usize) :
+ Tot (result u32) (decreases (sum_loop_decreases s sum1 i))
=
- let i0 = slice_len u32 s in
- if i < i0
+ let i1 = slice_len u32 s in
+ if i < i1
then
- let* i1 = slice_index_usize u32 s i in
- let* sum1 = u32_add sum0 i1 in
- let* i2 = usize_add i 1 in
- sum_loop s sum1 i2
- else Return sum0
+ let* i2 = slice_index_usize u32 s i in
+ let* sum3 = u32_add sum1 i2 in
+ let* i3 = usize_add i 1 in
+ sum_loop s sum3 i3
+ else Return sum1
-(** [array::sum]: forward function
+(** [array::sum]:
Source: 'src/array.rs', lines 242:0-242:28 *)
let sum (s : slice u32) : result u32 =
sum_loop s 0 0
-(** [array::sum2]: loop 0: forward function
+(** [array::sum2]: loop 0:
Source: 'src/array.rs', lines 252:0-261:1 *)
let rec sum2_loop
- (s : slice u32) (s2 : slice u32) (sum0 : u32) (i : usize) :
- Tot (result u32) (decreases (sum2_loop_decreases s s2 sum0 i))
+ (s : slice u32) (s2 : slice u32) (sum1 : u32) (i : usize) :
+ Tot (result u32) (decreases (sum2_loop_decreases s s2 sum1 i))
=
- let i0 = slice_len u32 s in
- if i < i0
+ let i1 = slice_len u32 s in
+ if i < i1
then
- let* i1 = slice_index_usize u32 s i in
- let* i2 = slice_index_usize u32 s2 i in
- let* i3 = u32_add i1 i2 in
- let* sum1 = u32_add sum0 i3 in
- let* i4 = usize_add i 1 in
- sum2_loop s s2 sum1 i4
- else Return sum0
-
-(** [array::sum2]: forward function
+ let* i2 = slice_index_usize u32 s i in
+ let* i3 = slice_index_usize u32 s2 i in
+ let* i4 = u32_add i2 i3 in
+ let* sum3 = u32_add sum1 i4 in
+ let* i5 = usize_add i 1 in
+ sum2_loop s s2 sum3 i5
+ else Return sum1
+
+(** [array::sum2]:
Source: 'src/array.rs', lines 252:0-252:41 *)
let sum2 (s : slice u32) (s2 : slice u32) : result u32 =
let i = slice_len u32 s in
- let i0 = slice_len u32 s2 in
- if not (i = i0) then Fail Failure else sum2_loop s s2 0 0
+ let i1 = slice_len u32 s2 in
+ if not (i = i1) then Fail Failure else sum2_loop s s2 0 0
-(** [array::f0]: forward function
+(** [array::f0]:
Source: 'src/array.rs', lines 263:0-263:11 *)
let f0 : result unit =
- let* s = array_to_slice u32 2 (mk_array u32 2 [ 1; 2 ]) in
- let* s0 = slice_update_usize u32 s 0 1 in
- let* _ = array_from_slice u32 2 (mk_array u32 2 [ 1; 2 ]) s0 in
+ let* (s, to_slice_mut_back) =
+ array_to_slice_mut u32 2 (mk_array u32 2 [ 1; 2 ]) in
+ let* (_, index_mut_back) = slice_index_mut_usize u32 s 0 in
+ let* s1 = index_mut_back 1 in
+ let* _ = to_slice_mut_back s1 in
Return ()
-(** [array::f1]: forward function
+(** [array::f1]:
Source: 'src/array.rs', lines 268:0-268:11 *)
let f1 : result unit =
- let* _ = array_update_usize u32 2 (mk_array u32 2 [ 1; 2 ]) 0 1 in Return ()
+ let* (_, index_mut_back) =
+ array_index_mut_usize u32 2 (mk_array u32 2 [ 1; 2 ]) 0 in
+ let* _ = index_mut_back 1 in
+ Return ()
-(** [array::f2]: forward function
+(** [array::f2]:
Source: 'src/array.rs', lines 273:0-273:17 *)
let f2 (i : u32) : result unit =
Return ()
-(** [array::f4]: forward function
+(** [array::f4]:
Source: 'src/array.rs', lines 282:0-282:54 *)
let f4 (x : array u32 32) (y : usize) (z : usize) : result (slice u32) =
core_array_Array_index u32 (core_ops_range_Range usize) 32
@@ -412,34 +391,36 @@ let f4 (x : array u32 32) (y : usize) (z : usize) : result (slice u32) =
(core_slice_index_SliceIndexRangeUsizeSliceTInst u32)) x
{ start = y; end_ = z }
-(** [array::f3]: forward function
+(** [array::f3]:
Source: 'src/array.rs', lines 275:0-275:18 *)
let f3 : result u32 =
let* i = array_index_usize u32 2 (mk_array u32 2 [ 1; 2 ]) 0 in
let* _ = f2 i in
let b = array_repeat u32 32 0 in
let* s = array_to_slice u32 2 (mk_array u32 2 [ 1; 2 ]) in
- let* s0 = f4 b 16 18 in
- sum2 s s0
+ let* s1 = f4 b 16 18 in
+ sum2 s s1
(** [array::SZ]
Source: 'src/array.rs', lines 286:0-286:19 *)
let sz_body : result usize = Return 32
let sz_c : usize = eval_global sz_body
-(** [array::f5]: forward function
+(** [array::f5]:
Source: 'src/array.rs', lines 289:0-289:31 *)
let f5 (x : array u32 32) : result u32 =
array_index_usize u32 32 x 0
-(** [array::ite]: forward function
+(** [array::ite]:
Source: 'src/array.rs', lines 294:0-294:12 *)
let ite : result unit =
- let* s = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
- let* s0 = array_to_slice u32 2 (mk_array u32 2 [ 0; 0 ]) in
- let* s1 = index_mut_slice_u32_0_back s0 in
- let* _ = array_from_slice u32 2 (mk_array u32 2 [ 0; 0 ]) s1 in
- let* s2 = index_mut_slice_u32_0_back s in
- let* _ = array_from_slice u32 2 (mk_array u32 2 [ 0; 0 ]) s2 in
+ let* (s, to_slice_mut_back) =
+ array_to_slice_mut u32 2 (mk_array u32 2 [ 0; 0 ]) in
+ let* (_, s1) = index_mut_slice_u32_0 s in
+ let* (s2, to_slice_mut_back1) =
+ array_to_slice_mut u32 2 (mk_array u32 2 [ 0; 0 ]) in
+ let* (_, s3) = index_mut_slice_u32_0 s2 in
+ let* _ = to_slice_mut_back1 s3 in
+ let* _ = to_slice_mut_back s1 in
Return ()
diff --git a/tests/fstar/array/Primitives.fst b/tests/fstar/array/Primitives.fst
index a3ffbde4..fca80829 100644
--- a/tests/fstar/array/Primitives.fst
+++ b/tests/fstar/array/Primitives.fst
@@ -55,8 +55,7 @@ type string = string
let is_zero (n: nat) : bool = n = 0
let decrease (n: nat{n > 0}) : nat = n - 1
-let core_mem_replace (a : Type0) (x : a) (y : a) : a = x
-let core_mem_replace_back (a : Type0) (x : a) (y : a) : a = y
+let core_mem_replace (a : Type0) (x : a) (y : a) : a & a = (x, x)
// We don't really use raw pointers for now
type mut_raw_ptr (t : Type0) = { v : t }
@@ -477,8 +476,7 @@ noeq type core_ops_index_Index (self idx : Type0) = {
// Trait declaration: [core::ops::index::IndexMut]
noeq type core_ops_index_IndexMut (self idx : Type0) = {
indexInst : core_ops_index_Index self idx;
- index_mut : self → idx → result indexInst.output;
- index_mut_back : self → idx → indexInst.output → result self;
+ index_mut : self → idx → result (indexInst.output & (indexInst.output → result self));
}
// Trait declaration [core::ops::deref::Deref]
@@ -490,8 +488,7 @@ noeq type core_ops_deref_Deref (self : Type0) = {
// Trait declaration [core::ops::deref::DerefMut]
noeq type core_ops_deref_DerefMut (self : Type0) = {
derefInst : core_ops_deref_Deref self;
- deref_mut : self → result derefInst.target;
- deref_mut_back : self → derefInst.target → result self;
+ deref_mut : self → result (derefInst.target & (derefInst.target → result self));
}
type core_ops_range_Range (a : Type0) = {
@@ -502,8 +499,8 @@ 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_mut (t : Type0) (x : t) : result t = Return x
-let alloc_boxed_Box_deref_mut_back (t : Type) (_ : t) (x : t) : result t = Return x
+let alloc_boxed_Box_deref_mut (t : Type0) (x : t) : result (t & (t -> result t)) =
+ Return (x, (fun x -> Return x))
// Trait instance
let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self = {
@@ -515,7 +512,6 @@ let alloc_boxed_Box_coreopsDerefInst (self : Type0) : core_ops_deref_Deref self
let alloc_boxed_Box_coreopsDerefMutInst (self : Type0) : core_ops_deref_DerefMut self = {
derefInst = alloc_boxed_Box_coreopsDerefInst self;
deref_mut = alloc_boxed_Box_deref_mut self;
- deref_mut_back = alloc_boxed_Box_deref_mut_back self;
}
(*** Array *)
@@ -535,10 +531,18 @@ let array_index_usize (a : Type0) (n : usize) (x : array a n) (i : usize) : resu
if i < length x then Return (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) =
+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)
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)
+
(*** Slice *)
type slice (a : Type0) = s:list a{length s <= usize_max}
@@ -552,6 +556,13 @@ let slice_update_usize (a : Type0) (x : slice a) (i : usize) (nx : a) : result (
if i < length x then Return (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)
+
(*** Subslices *)
let array_to_slice (a : Type0) (n : usize) (x : array a n) : result (slice a) = Return x
@@ -559,6 +570,10 @@ let array_from_slice (a : Type0) (n : usize) (x : array a n) (s : slice a) : res
if length s = n then Return 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)
+
// 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) =
admit()
@@ -588,8 +603,13 @@ let alloc_vec_Vec_index_usize (#a : Type0) (v : alloc_vec_Vec a) (i : usize) : r
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
-// The **forward** function shouldn't be used
-let alloc_vec_Vec_push_fwd (a : Type0) (v : alloc_vec_Vec a) (x : a) : unit = ()
+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)
+ | Fail e -> Fail e
+
let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) :
Pure (result (alloc_vec_Vec a))
(requires True)
@@ -605,9 +625,6 @@ let alloc_vec_Vec_push (a : Type0) (v : alloc_vec_Vec a) (x : a) :
end
else Fail Failure
-// The **forward** function shouldn't be used
-let alloc_vec_Vec_insert_fwd (a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) : result unit =
- if i < length v then Return () 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
@@ -619,13 +636,11 @@ noeq type core_slice_index_SliceIndex (self t : Type0) = {
sealedInst : core_slice_index_private_slice_index_Sealed self;
output : Type0;
get : self → t → result (option output);
- get_mut : self → t → result (option output);
- get_mut_back : self → t → option output → result t;
+ get_mut : self → t → result (option output & (option output -> result t));
get_unchecked : self → const_raw_ptr t → result (const_raw_ptr output);
get_unchecked_mut : self → mut_raw_ptr t → result (mut_raw_ptr output);
index : self → t → result output;
- index_mut : self → t → result output;
- index_mut_back : self → t → output → result t;
+ index_mut : self → t → result (output & (output -> result t));
}
// [core::slice::index::[T]::index]: forward function
@@ -643,14 +658,8 @@ let core_slice_index_RangeUsize_get (t : Type0) (i : core_ops_range_Range usize)
admit () // TODO
// [core::slice::index::Range::get_mut]: forward function
-let core_slice_index_RangeUsize_get_mut
- (t : Type0) : core_ops_range_Range usize → slice t → result (option (slice t)) =
- admit () // TODO
-
-// [core::slice::index::Range::get_mut]: backward function 0
-let core_slice_index_RangeUsize_get_mut_back
- (t : Type0) :
- core_ops_range_Range usize → slice t → option (slice t) → result (slice t) =
+let core_slice_index_RangeUsize_get_mut (t : Type0) :
+ core_ops_range_Range usize → slice t → result (option (slice t) & (option (slice t) -> result (slice t))) =
admit () // TODO
// [core::slice::index::Range::get_unchecked]: forward function
@@ -675,27 +684,16 @@ let core_slice_index_RangeUsize_index
admit () // TODO
// [core::slice::index::Range::index_mut]: forward function
-let core_slice_index_RangeUsize_index_mut
- (t : Type0) : core_ops_range_Range usize → slice t → result (slice t) =
- admit () // TODO
-
-// [core::slice::index::Range::index_mut]: backward function 0
-let core_slice_index_RangeUsize_index_mut_back
- (t : Type0) : core_ops_range_Range usize → slice t → slice t → result (slice t) =
+let core_slice_index_RangeUsize_index_mut (t : Type0) :
+ core_ops_range_Range usize → slice t → result (slice t & (slice t -> result (slice t))) =
admit () // TODO
// [core::slice::index::[T]::index_mut]: forward function
let core_slice_index_Slice_index_mut
(t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) :
- slice t → idx → result inst.output =
+ slice t → idx → result (inst.output & (inst.output -> result (slice t))) =
admit () //
-// [core::slice::index::[T]::index_mut]: backward function 0
-let core_slice_index_Slice_index_mut_back
- (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t)) :
- slice t → idx → inst.output → result (slice t) =
- admit () // TODO
-
// [core::array::[T; N]::index]: forward function
let core_array_Array_index
(t idx : Type0) (n : usize) (inst : core_ops_index_Index (slice t) idx)
@@ -705,13 +703,8 @@ let core_array_Array_index
// [core::array::[T; N]::index_mut]: forward function
let core_array_Array_index_mut
(t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx)
- (a : array t n) (i : idx) : result inst.indexInst.output =
- admit () // TODO
-
-// [core::array::[T; N]::index_mut]: backward function 0
-let core_array_Array_index_mut_back
- (t idx : Type0) (n : usize) (inst : core_ops_index_IndexMut (slice t) idx)
- (a : array t n) (i : idx) (x : inst.indexInst.output) : result (array t n) =
+ (a : array t n) (i : idx) :
+ result (inst.indexInst.output & (inst.indexInst.output -> result (array t n))) =
admit () // TODO
// Trait implementation: [core::slice::index::private_slice_index::Range]
@@ -725,12 +718,10 @@ let core_slice_index_SliceIndexRangeUsizeSliceTInst (t : Type0) :
output = slice t;
get = core_slice_index_RangeUsize_get t;
get_mut = core_slice_index_RangeUsize_get_mut t;
- get_mut_back = core_slice_index_RangeUsize_get_mut_back t;
get_unchecked = core_slice_index_RangeUsize_get_unchecked t;
get_unchecked_mut = core_slice_index_RangeUsize_get_unchecked_mut t;
index = core_slice_index_RangeUsize_index t;
index_mut = core_slice_index_RangeUsize_index_mut t;
- index_mut_back = core_slice_index_RangeUsize_index_mut_back t;
}
// Trait implementation: [core::slice::index::[T]]
@@ -747,7 +738,6 @@ let core_ops_index_IndexMutSliceTIInst (t idx : Type0)
core_ops_index_IndexMut (slice t) idx = {
indexInst = core_ops_index_IndexSliceTIInst t idx inst;
index_mut = core_slice_index_Slice_index_mut t idx inst;
- index_mut_back = core_slice_index_Slice_index_mut_back t idx inst;
}
// Trait implementation: [core::array::[T; N]]
@@ -764,7 +754,6 @@ let core_ops_index_IndexMutArrayIInst (t idx : Type0) (n : usize)
core_ops_index_IndexMut (array t n) idx = {
indexInst = core_ops_index_IndexArrayInst t idx n inst.indexInst;
index_mut = core_array_Array_index_mut t idx n inst;
- index_mut_back = core_array_Array_index_mut_back t idx n inst;
}
// [core::slice::index::usize::get]: forward function
@@ -773,13 +762,8 @@ let core_slice_index_usize_get
admit () // TODO
// [core::slice::index::usize::get_mut]: forward function
-let core_slice_index_usize_get_mut
- (t : Type0) : usize → slice t → result (option t) =
- admit () // TODO
-
-// [core::slice::index::usize::get_mut]: backward function 0
-let core_slice_index_usize_get_mut_back
- (t : Type0) : usize → slice t → option t → result (slice t) =
+let core_slice_index_usize_get_mut (t : Type0) :
+ usize → slice t → result (option t & (option t -> result (slice t))) =
admit () // TODO
// [core::slice::index::usize::get_unchecked]: forward function
@@ -797,12 +781,8 @@ let core_slice_index_usize_index (t : Type0) : usize → slice t → result t =
admit () // TODO
// [core::slice::index::usize::index_mut]: forward function
-let core_slice_index_usize_index_mut (t : Type0) : usize → slice t → result t =
- admit () // TODO
-
-// [core::slice::index::usize::index_mut]: backward function 0
-let core_slice_index_usize_index_mut_back
- (t : Type0) : usize → slice t → t → result (slice t) =
+let core_slice_index_usize_index_mut (t : Type0) :
+ usize → slice t → result (t & (t -> result (slice t))) =
admit () // TODO
// Trait implementation: [core::slice::index::private_slice_index::usize]
@@ -816,12 +796,10 @@ let core_slice_index_SliceIndexUsizeSliceTInst (t : Type0) :
output = t;
get = core_slice_index_usize_get t;
get_mut = core_slice_index_usize_get_mut t;
- get_mut_back = core_slice_index_usize_get_mut_back t;
get_unchecked = core_slice_index_usize_get_unchecked t;
get_unchecked_mut = core_slice_index_usize_get_unchecked_mut t;
index = core_slice_index_usize_index t;
index_mut = core_slice_index_usize_index_mut t;
- index_mut_back = core_slice_index_usize_index_mut_back t;
}
// [alloc::vec::Vec::index]: forward function
@@ -831,13 +809,8 @@ let alloc_vec_Vec_index (t idx : Type0) (inst : core_slice_index_SliceIndex idx
// [alloc::vec::Vec::index_mut]: forward function
let alloc_vec_Vec_index_mut (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t))
- (self : alloc_vec_Vec t) (i : idx) : result inst.output =
- admit () // TODO
-
-// [alloc::vec::Vec::index_mut]: backward function 0
-let alloc_vec_Vec_index_mut_back
- (t idx : Type0) (inst : core_slice_index_SliceIndex idx (slice t))
- (self : alloc_vec_Vec t) (i : idx) (x : inst.output) : result (alloc_vec_Vec t) =
+ (self : alloc_vec_Vec t) (i : idx) :
+ result (inst.output & (inst.output -> result (alloc_vec_Vec t))) =
admit () // TODO
// Trait implementation: [alloc::vec::Vec]
@@ -854,7 +827,6 @@ let alloc_vec_Vec_coreopsindexIndexMutInst (t idx : Type0)
core_ops_index_IndexMut (alloc_vec_Vec t) idx = {
indexInst = alloc_vec_Vec_coreopsindexIndexInst t idx inst;
index_mut = alloc_vec_Vec_index_mut t idx inst;
- index_mut_back = alloc_vec_Vec_index_mut_back t idx inst;
}
(*** Theorems *)
@@ -870,15 +842,7 @@ let alloc_vec_Vec_index_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) :
let alloc_vec_Vec_index_mut_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) :
Lemma (
alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i ==
- alloc_vec_Vec_index_usize v i)
+ alloc_vec_Vec_index_mut_usize v i)
[SMTPat (alloc_vec_Vec_index_mut a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i)]
=
admit()
-
-let alloc_vec_Vec_index_mut_back_eq (#a : Type0) (v : alloc_vec_Vec a) (i : usize) (x : a) :
- Lemma (
- alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x ==
- alloc_vec_Vec_update_usize v i x)
- [SMTPat (alloc_vec_Vec_index_mut_back a usize (core_slice_index_SliceIndexUsizeSliceTInst a) v i x)]
- =
- admit()
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-19 07:37:39 +0000