From: Stefano Zacchiroli <zack@upsilon.cc>
Date: Thu, 30 Jun 2005 09:32:28 +0000 (+0000)
Subject: added a debugging helper
X-Git-Tag: PRE_GETTER_STORAGE~105
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=ced6c94c59ba147abbee642dcd3e816ee2e1c1eb;p=helm.git

added a debugging helper
---

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index ab077d923..acaf2123c 100644
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -207,4 +207,9 @@ let rec list_uniq = function
   | h1::h2::tl when h1 = h2 -> list_uniq (h2 :: tl) 
   | h1::tl (* when h1 <> h2 *) -> h1 :: list_uniq tl
 
-let end_ma_RE = Pcre.regexp "\\.ma$"
+let debug_wrap name f =
+  prerr_endline (sprintf "debug_wrap: ==>> %s" name);
+  let res = f () in
+  prerr_endline (sprintf "debug_wrap: <<== %s" name);
+  res
+
diff --git a/helm/matita/matitaMisc.mli b/helm/matita/matitaMisc.mli
index 31efae031..c2cba5903 100644
--- a/helm/matita/matitaMisc.mli
+++ b/helm/matita/matitaMisc.mli
@@ -94,3 +94,8 @@ val get_proof_aliases: MatitaTypes.status -> DisambiguateTypes.environment
 val image_path: string -> string
 val obj_file_of_script: string -> string
 
+  (** invoke a given function and return its value; in addition il will print
+   * the given string before invoking it and "/" ^ the given string afterwards.
+   * This permit tracing of functions which does not return a value *)
+val debug_wrap: string -> (unit -> 'a) -> 'a
+