From 8a807b2ffc27b84c9ea0ffe9f22b164ade24badb Mon Sep 17 00:00:00 2001
From: Emilio Jesus Gallego Arias
Date: Wed, 15 Mar 2017 20:48:10 +0100
Subject: [cleanup] Unify all calls to the error function.

This is the continuation of #244, we now deprecate `CErrors.error`,
the single entry point in Coq is `user_err`.

The rationale is to allow for easier grepping, and to ease a future
cleanup of error messages. In particular, we would like to
systematically classify all error messages raised by Coq and be sure
they are properly documented.

We restore the two functions removed in #244 to improve compatibility,
but mark them deprecated.
---
 plugins/extraction/extract_env.ml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'plugins/extraction/extract_env.ml')

diff --git a/plugins/extraction/extract_env.ml b/plugins/extraction/extract_env.ml
index 322fbcea74..2c85b185c4 100644
--- a/plugins/extraction/extract_env.ml
+++ b/plugins/extraction/extract_env.ml
@@ -41,7 +41,7 @@ let toplevel_env () =
 	  | "MODULE TYPE" ->
             let modtype = Global.lookup_modtype (MPdot (mp, l)) in
             Some (l, SFBmodtype modtype)
-          | "INCLUDE" -> error "No extraction of toplevel Include yet."
+          | "INCLUDE" -> user_err Pp.(str "No extraction of toplevel Include yet.")
 	  | _ -> None
         end
     | _ -> None
@@ -435,7 +435,7 @@ let mono_filename f =
 	  else
             try Id.of_string (Filename.basename f)
 	    with UserError _ ->
-              error "Extraction: provided filename is not a valid identifier"
+              user_err Pp.(str "Extraction: provided filename is not a valid identifier")
 	in
 	Some (f^d.file_suffix), Option.map ((^) f) d.sig_suffix, id
 
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