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-rw-r--r--compiler/ExtractBase.ml8
-rw-r--r--compiler/ExtractTypes.ml5
2 files changed, 6 insertions, 7 deletions
diff --git a/compiler/ExtractBase.ml b/compiler/ExtractBase.ml
index db887539..5aa8323e 100644
--- a/compiler/ExtractBase.ml
+++ b/compiler/ExtractBase.ml
@@ -782,9 +782,13 @@ let ctx_get_termination_measure (def_id : A.FunDeclId.id)
let unop_name (unop : unop) : string =
match unop with
| Not -> (
- match !backend with FStar | Lean -> "not" | Coq -> "negb" | HOL4 -> "~")
+ match !backend with
+ | FStar -> "not"
+ | Lean -> "¬"
+ | Coq -> "negb"
+ | HOL4 -> "~")
| Neg (int_ty : integer_type) -> (
- match !backend with Lean -> "-" | _ -> int_name int_ty ^ "_neg")
+ match !backend with Lean -> "-." | _ -> int_name int_ty ^ "_neg")
| Cast _ ->
(* We never directly use the unop name in this case *)
raise (Failure "Unsupported")
diff --git a/compiler/ExtractTypes.ml b/compiler/ExtractTypes.ml
index 51e3fd77..a3dbf3cc 100644
--- a/compiler/ExtractTypes.ml
+++ b/compiler/ExtractTypes.ml
@@ -31,11 +31,6 @@ let extract_literal (fmt : F.formatter) (inside : bool) (cv : literal) : unit =
(* We need to add parentheses if the value is negative *)
if sv.value >= Z.of_int 0 then
F.pp_print_string fmt (Z.to_string sv.value)
- else if !backend = Lean then
- (* TODO: parsing issues with Lean because there are ambiguous
- interpretations between int values and nat values *)
- F.pp_print_string fmt
- ("(-(" ^ Z.to_string (Z.neg sv.value) ^ ":Int))")
else F.pp_print_string fmt ("(" ^ Z.to_string sv.value ^ ")");
(match !backend with
| Coq ->