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-rw-r--r--compiler/InterpreterPaths.ml84
1 files changed, 39 insertions, 45 deletions
diff --git a/compiler/InterpreterPaths.ml b/compiler/InterpreterPaths.ml
index 36af1db4..9158f2c1 100644
--- a/compiler/InterpreterPaths.ml
+++ b/compiler/InterpreterPaths.ml
@@ -95,13 +95,13 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
Ok (ctx, { read = v; updated = nv })
| pe :: p' -> (
(* Match on the projection element and the value *)
- match (pe, v.V.value, v.V.ty) with
+ match (pe, v.value, v.ty) with
| ( Field ((ProjAdt (_, _) as proj_kind), field_id),
- V.VAdt adt,
- T.TAdt (type_id, _) ) -> (
+ VAdt adt,
+ TAdt (type_id, _) ) -> (
(* Check consistency *)
(match (proj_kind, type_id) with
- | ProjAdt (def_id, opt_variant_id), T.TAdtId def_id' ->
+ | ProjAdt (def_id, opt_variant_id), TAdtId def_id' ->
assert (def_id = def_id');
assert (opt_variant_id = adt.variant_id)
| _ -> raise (Failure "Unreachable"));
@@ -114,11 +114,11 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
let nvalues =
T.FieldId.update_nth adt.field_values field_id res.updated
in
- let nadt = V.VAdt { adt with V.field_values = nvalues } in
+ let nadt = V.VAdt { adt with field_values = nvalues } in
let updated = { v with value = nadt } in
Ok (ctx, { res with updated }))
(* Tuples *)
- | Field (ProjTuple arity, field_id), V.VAdt adt, T.TAdt (T.TTuple, _) -> (
+ | Field (ProjTuple arity, field_id), VAdt adt, TAdt (TTuple, _) -> (
assert (arity = List.length adt.field_values);
let fv = T.FieldId.nth adt.field_values field_id in
(* Project *)
@@ -134,16 +134,16 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
Ok (ctx, { res with updated })
(* If we reach Bottom, it may mean we need to expand an uninitialized
* enumeration value *))
- | Field ((ProjAdt (_, _) | ProjTuple _), _), V.Bottom, _ ->
+ | Field ((ProjAdt (_, _) | ProjTuple _), _), VBottom, _ ->
Error (FailBottom (1 + List.length p', pe, v.ty))
(* Symbolic value: needs to be expanded *)
- | _, Symbolic sp, _ ->
+ | _, VSymbolic sp, _ ->
(* Expand the symbolic value *)
Error (FailSymbolic (1 + List.length p', sp))
(* Box dereferencement *)
| ( DerefBox,
VAdt { variant_id = None; field_values = [ bv ] },
- T.TAdt (T.TAssumed T.TBox, _) ) -> (
+ TAdt (TAssumed TBox, _) ) -> (
(* We allow moving outside of boxes. In practice, this kind of
* manipulations should happen only inside unsafe code, so
* it shouldn't happen due to user code, and we leverage it
@@ -156,20 +156,20 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
{
v with
value =
- V.VAdt { variant_id = None; field_values = [ res.updated ] };
+ VAdt { variant_id = None; field_values = [ res.updated ] };
}
in
Ok (ctx, { res with updated = nv }))
(* Borrows *)
- | Deref, V.Borrow bc, _ -> (
+ | Deref, VBorrow bc, _ -> (
match bc with
- | V.SharedBorrow bid ->
+ | VSharedBorrow bid ->
(* Lookup the loan content, and explore from there *)
if access.lookup_shared_borrows then
match lookup_loan ek bid ctx with
- | _, Concrete (V.MutLoan _) ->
+ | _, Concrete (VMutLoan _) ->
raise (Failure "Expected a shared loan")
- | _, Concrete (V.SharedLoan (bids, sv)) -> (
+ | _, Concrete (VSharedLoan (bids, sv)) -> (
(* Explore the shared value *)
match access_projection access ctx update p' sv with
| Error err -> Error err
@@ -178,23 +178,23 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
by {!access_projection} *)
let ctx =
update_loan ek bid
- (V.SharedLoan (bids, res.updated))
+ (VSharedLoan (bids, res.updated))
ctx
in
(* Return - note that we don't need to update the borrow itself *)
Ok (ctx, { res with updated = v }))
| ( _,
Abstract
- ( V.AMutLoan (_, _)
- | V.AEndedMutLoan
+ ( AMutLoan (_, _)
+ | AEndedMutLoan
{ given_back = _; child = _; given_back_meta = _ }
- | V.AEndedSharedLoan (_, _)
- | V.AIgnoredMutLoan (_, _)
- | V.AEndedIgnoredMutLoan
+ | AEndedSharedLoan (_, _)
+ | AIgnoredMutLoan (_, _)
+ | AEndedIgnoredMutLoan
{ given_back = _; child = _; given_back_meta = _ }
- | V.AIgnoredSharedLoan _ ) ) ->
+ | AIgnoredSharedLoan _ ) ) ->
raise (Failure "Expected a shared (abstraction) loan")
- | _, Abstract (V.ASharedLoan (bids, sv, _av)) -> (
+ | _, Abstract (ASharedLoan (bids, sv, _av)) -> (
(* Explore the shared value *)
match access_projection access ctx update p' sv with
| Error err -> Error err
@@ -202,37 +202,34 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
(* Relookup the child avalue *)
let av =
match lookup_loan ek bid ctx with
- | _, Abstract (V.ASharedLoan (_, _, av)) -> av
+ | _, Abstract (ASharedLoan (_, _, av)) -> av
| _ -> raise (Failure "Unexpected")
in
(* Update the shared loan with the new value returned
by {!access_projection} *)
let ctx =
update_aloan ek bid
- (V.ASharedLoan (bids, res.updated, av))
+ (ASharedLoan (bids, res.updated, av))
ctx
in
(* Return - note that we don't need to update the borrow itself *)
Ok (ctx, { res with updated = v }))
else Error (FailBorrow bc)
- | V.ReservedMutBorrow bid -> Error (FailReservedMutBorrow bid)
- | V.MutBorrow (bid, bv) ->
+ | VReservedMutBorrow bid -> Error (FailReservedMutBorrow bid)
+ | VMutBorrow (bid, bv) ->
if access.enter_mut_borrows then
match access_projection access ctx update p' bv with
| Error err -> Error err
| Ok (ctx, res) ->
let nv =
- {
- v with
- value = V.Borrow (V.MutBorrow (bid, res.updated));
- }
+ { v with value = VBorrow (VMutBorrow (bid, res.updated)) }
in
Ok (ctx, { res with updated = nv })
else Error (FailBorrow bc))
- | _, V.Loan lc, _ -> (
+ | _, VLoan lc, _ -> (
match lc with
- | V.MutLoan bid -> Error (FailMutLoan bid)
- | V.SharedLoan (bids, sv) ->
+ | VMutLoan bid -> Error (FailMutLoan bid)
+ | VSharedLoan (bids, sv) ->
(* If we can enter shared loan, we ignore the loan. Pay attention
to the fact that we need to reexplore the *whole* place (i.e,
we mustn't ignore the current projection element *)
@@ -241,14 +238,11 @@ let rec access_projection (access : projection_access) (ctx : C.eval_ctx)
| Error err -> Error err
| Ok (ctx, res) ->
let nv =
- {
- v with
- value = V.Loan (V.SharedLoan (bids, res.updated));
- }
+ { v with value = VLoan (VSharedLoan (bids, res.updated)) }
in
Ok (ctx, { res with updated = nv })
else Error (FailSharedLoan bids))
- | (_, (V.VLiteral _ | V.VAdt _ | V.Bottom | V.Borrow _), _) as r ->
+ | (_, (VLiteral _ | VAdt _ | VBottom | VBorrow _), _) as r ->
let pe, v, ty = r in
let pe = "- pe: " ^ E.show_projection_elem pe in
let v = "- v:\n" ^ V.show_value v in
@@ -531,24 +525,24 @@ let rec end_loans_at_place (config : C.config) (access : access_kind)
method! visit_borrow_content env bc =
match bc with
- | V.SharedBorrow _ | V.MutBorrow (_, _) ->
+ | VSharedBorrow _ | VMutBorrow (_, _) ->
(* Nothing special to do *) super#visit_borrow_content env bc
- | V.ReservedMutBorrow bid ->
+ | VReservedMutBorrow bid ->
(* We need to activate reserved borrows *)
let cc = promote_reserved_mut_borrow config bid in
raise (UpdateCtx cc)
method! visit_loan_content env lc =
match lc with
- | V.SharedLoan (bids, v) -> (
+ | VSharedLoan (bids, v) -> (
(* End the loans if we need a modification access, otherwise dive into
the shared value *)
match access with
- | Read -> super#visit_SharedLoan env bids v
+ | Read -> super#visit_VSharedLoan env bids v
| Write | Move ->
let cc = end_borrows config bids in
raise (UpdateCtx cc))
- | V.MutLoan bid ->
+ | VMutLoan bid ->
(* We always need to end mutable borrows *)
let cc = end_borrow config bid in
raise (UpdateCtx cc)
@@ -596,8 +590,8 @@ let drop_outer_loans_at_lplace (config : C.config) (p : E.place) : cm_fun =
(* There are: end them then retry *)
let cc =
match c with
- | LoanContent (V.SharedLoan (bids, _)) -> end_borrows config bids
- | LoanContent (V.MutLoan bid) -> end_borrow config bid
+ | LoanContent (VSharedLoan (bids, _)) -> end_borrows config bids
+ | LoanContent (VMutLoan bid) -> end_borrow config bid
| BorrowContent _ -> raise (Failure "Unreachable")
in
(* Retry *)