From 173a2d8b0fba1a85b618654151af04b5decf9bac Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias
Date: Thu, 30 Jan 2020 23:36:19 +0100
Subject: [exn] Don't reraise in exception printers

This behaviour seems a bit dubious and it is indeed not needed, also
such re-raises seem like they will mess with the backtrace.
---
 proofs/proof.ml | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

(limited to 'proofs/proof.ml')

diff --git a/proofs/proof.ml b/proofs/proof.ml
index 5ab4409f8b..e2ee5426b5 100644
--- a/proofs/proof.ml
+++ b/proofs/proof.ml
@@ -69,18 +69,15 @@ exception FullyUnfocused
 
 let _ = CErrors.register_handler begin function
   | CannotUnfocusThisWay ->
-    CErrors.user_err Pp.(str "This proof is focused, but cannot be unfocused this way")
+    Pp.str "This proof is focused, but cannot be unfocused this way"
   | NoSuchGoals (i,j) when Int.equal i j ->
-      CErrors.user_err ~hdr:"Focus" Pp.(str"No such goal (" ++ int i ++ str").")
+    Pp.(str "[Focus] No such goal (" ++ int i ++ str").")
   | NoSuchGoals (i,j) ->
-      CErrors.user_err ~hdr:"Focus" Pp.(
-        str"Not every goal in range ["++ int i ++ str","++int j++str"] exist."
-      )
+    Pp.(str "[Focus] Not every goal in range ["++ int i ++ str","++int j++str"] exist.")
   | NoSuchGoal id ->
-      CErrors.user_err
-        ~hdr:"Focus"
-        Pp.(str "No such goal: " ++ str (Names.Id.to_string id) ++ str ".")
-  | FullyUnfocused -> CErrors.user_err Pp.(str "The proof is not focused")
+    Pp.(str "[Focus] No such goal: " ++ str (Names.Id.to_string id) ++ str ".")
+  | FullyUnfocused ->
+    Pp.str "The proof is not focused"
   | _ -> raise CErrors.Unhandled
 end
 
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