From 7628af7af9ff20d2a894673f66c3753e214623f1 Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias
Date: Fri, 29 Dec 2017 20:20:38 +0100
Subject: [print] Restrict use of "debug" Termops printer.

The functions in `Termops.print_*` are meant to be debug printers,
however, they are sometimes used in non-debug code due to a API
confusion.

We thus wrap such functions into an `Internal` module, improve
documentation, and switch users to the right API.
---
 engine/termops.ml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'engine/termops.ml')

diff --git a/engine/termops.ml b/engine/termops.ml
index 710743e92d..efe1525c9a 100644
--- a/engine/termops.ml
+++ b/engine/termops.ml
@@ -22,6 +22,8 @@ module RelDecl = Context.Rel.Declaration
 module NamedDecl = Context.Named.Declaration
 module CompactedDecl = Context.Compacted.Declaration
 
+module Internal = struct
+
 (* Sorts and sort family *)
 
 let print_sort = function
@@ -98,12 +100,16 @@ let rec pr_constr c = match kind c with
            cut() ++ str":=" ++ pr_constr bd) (Array.to_list fixl)) ++
          str"}")
 
-let term_printer = ref (fun _env _sigma c -> pr_constr (EConstr.Unsafe.to_constr c))
+let debug_print_constr c = pr_constr EConstr.Unsafe.(to_constr c)
+let debug_print_constr_env env sigma c = pr_constr EConstr.(to_constr sigma c)
+let term_printer = ref debug_print_constr_env
+
 let print_constr_env env sigma t = !term_printer env sigma t
 let print_constr t =
   let env = Global.env () in
   let evd = Evd.from_env env in
   !term_printer env evd t
+
 let set_print_constr f = term_printer := f
 
 module EvMap = Evar.Map
@@ -1537,3 +1543,6 @@ let env_rel_context_chop k env =
   let ctx1,ctx2 = List.chop k rels in
   push_rel_context ctx2 (reset_with_named_context (named_context_val env) env),
   ctx1
+end
+
+include Internal
-- 
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