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-rw-r--r--compiler/Config.ml8
-rw-r--r--compiler/InterpreterBorrows.ml4
-rw-r--r--compiler/InterpreterLoopsJoinCtxs.ml2
-rw-r--r--compiler/InterpreterLoopsMatchCtxs.ml2
-rw-r--r--compiler/InterpreterPaths.ml2
-rw-r--r--compiler/Invariants.ml2
-rw-r--r--compiler/Main.ml8
7 files changed, 14 insertions, 14 deletions
diff --git a/compiler/Config.ml b/compiler/Config.ml
index fe110ee4..48ee0a06 100644
--- a/compiler/Config.ml
+++ b/compiler/Config.ml
@@ -35,11 +35,11 @@ let backend = ref FStar
(** {1 Interpreter} *)
-(** Check that invariants are maintained whenever we execute a statement
-
- TODO: rename to sanity_checks.
+(** Activate the sanity checks, and in particular the invariant checks
+ that are performed at every evaluation step. This is very expensive
+ (~100x slow down) but very efficient to catch mistakes early.
*)
-let check_invariants = ref true
+let sanity_checks = ref false
(** Expand all symbolic values containing borrows upon introduction - allows
to use restrict ourselves to a simpler model for the projectors over
diff --git a/compiler/InterpreterBorrows.ml b/compiler/InterpreterBorrows.ml
index 8c9c0e72..2f793f4a 100644
--- a/compiler/InterpreterBorrows.ml
+++ b/compiler/InterpreterBorrows.ml
@@ -2155,7 +2155,7 @@ let merge_into_abstraction_aux (abs_kind : abs_kind) (can_end : bool)
^ "\n\n- abs1:\n" ^ abs_to_string ctx abs1));
(* Check that the abstractions are destructured *)
- if !Config.check_invariants then (
+ if !Config.sanity_checks then (
let destructure_shared_values = true in
assert (abs_is_destructured destructure_shared_values ctx abs0);
assert (abs_is_destructured destructure_shared_values ctx abs1));
@@ -2487,7 +2487,7 @@ let merge_into_abstraction_aux (abs_kind : abs_kind) (can_end : bool)
in
(* Sanity check *)
- if !Config.check_invariants then assert (abs_is_destructured true ctx abs);
+ if !Config.sanity_checks then assert (abs_is_destructured true ctx abs);
(* Return *)
abs
diff --git a/compiler/InterpreterLoopsJoinCtxs.ml b/compiler/InterpreterLoopsJoinCtxs.ml
index 4cc74aae..8d485483 100644
--- a/compiler/InterpreterLoopsJoinCtxs.ml
+++ b/compiler/InterpreterLoopsJoinCtxs.ml
@@ -714,7 +714,7 @@ let loop_join_origin_with_continue_ctxs (config : config) (loop_id : LoopId.id)
^ eval_ctx_to_string !joined_ctx));
(* Sanity check *)
- if !Config.check_invariants then Invariants.check_invariants !joined_ctx;
+ if !Config.sanity_checks then Invariants.check_invariants !joined_ctx;
(* Return *)
ctx1
in
diff --git a/compiler/InterpreterLoopsMatchCtxs.ml b/compiler/InterpreterLoopsMatchCtxs.ml
index 74f9ba2c..bf459e41 100644
--- a/compiler/InterpreterLoopsMatchCtxs.ml
+++ b/compiler/InterpreterLoopsMatchCtxs.ml
@@ -1580,7 +1580,7 @@ let match_ctx_with_target (config : config) (loop_id : LoopId.id)
^ eval_ctx_to_string tgt_ctx));
(* Sanity check *)
- if !Config.check_invariants then
+ if !Config.sanity_checks then
Invariants.check_borrowed_values_invariant tgt_ctx;
(* End all the borrows which appear in the *new* abstractions *)
diff --git a/compiler/InterpreterPaths.ml b/compiler/InterpreterPaths.ml
index 729a3577..999b8ab0 100644
--- a/compiler/InterpreterPaths.ml
+++ b/compiler/InterpreterPaths.ml
@@ -311,7 +311,7 @@ let try_read_place (access : access_kind) (p : place) (ctx : eval_ctx) :
(* Note that we ignore the new environment: it should be the same as the
original one.
*)
- if !Config.check_invariants then
+ if !Config.sanity_checks then
if ctx1 <> ctx then (
let msg =
"Unexpected environment update:\nNew environment:\n"
diff --git a/compiler/Invariants.ml b/compiler/Invariants.ml
index e0e3f354..fa0d7436 100644
--- a/compiler/Invariants.ml
+++ b/compiler/Invariants.ml
@@ -804,7 +804,7 @@ let check_symbolic_values (ctx : eval_ctx) : unit =
M.iter check_info !infos
let check_invariants (ctx : eval_ctx) : unit =
- if !Config.check_invariants then (
+ if !Config.sanity_checks then (
log#ldebug (lazy ("Checking invariants:\n" ^ eval_ctx_to_string ctx));
check_loans_borrows_relation_invariant ctx;
check_borrowed_values_invariant ctx;
diff --git a/compiler/Main.ml b/compiler/Main.ml
index e350da8a..7f98f581 100644
--- a/compiler/Main.ml
+++ b/compiler/Main.ml
@@ -107,10 +107,10 @@ let () =
Arg.Set split_files,
" Split the definitions between different files for types, functions, \
etc." );
- ( "-no-check-inv",
- Arg.Clear check_invariants,
- " Deactivate the invariant sanity checks performed at every evaluation \
- step. Dramatically increases speed." );
+ ( "-checks",
+ Arg.Set sanity_checks,
+ " Activate extensive sanity checks (warning: causes a ~100 times slow \
+ down)." );
( "-no-gen-lib-entry",
Arg.Clear generate_lib_entry_point,
" Do not generate the entry point file for the generated library (only \