universes are saved to disk

[helm.git] / helm / matita / matitaMisc.ml

diff --git a/helm/matita/matitaMisc.ml b/helm/matita/matitaMisc.ml
index c12a1452733208ca2f3ab755bf727587a344ab42..56cb4a29535f1734b5db12cc3c09410971be69ed 100644 (file)
--- a/helm/matita/matitaMisc.ml
+++ b/helm/matita/matitaMisc.ml
@@ -26,9 +26,11 @@
 open Printf
 open MatitaTypes 
 
-let strip_trailing_slash =
-  let rex = Pcre.regexp "/$" in
-  fun s -> Pcre.replace ~rex s
+(** Functions "imported" from Http_getter_misc *)
+
+let strip_trailing_slash = Http_getter_misc.strip_trailing_slash
+let normalize_dir = Http_getter_misc.normalize_dir
+let strip_suffix = Http_getter_misc.strip_suffix
 
 let baseuri_of_baseuri_decl st =
   match st with
@@ -39,7 +41,7 @@ let baseuri_of_baseuri_decl st =
 let baseuri_of_file file = 
   let uri = ref None in
   let ic = open_in file in
-  let istream = Stream.of_channel ic in
+  let istream = Ulexing.from_utf8_channel ic in
   (try
     while true do
       try 
@@ -114,9 +116,39 @@ let append_phrase_sep s =
   else
     s
 
-let strip_trailing_blanks =
-  let rex = Pcre.regexp "\\s*$" in
-  fun s -> Pcre.replace ~rex s
+let mkdir path =
+  let components = Str.split (Str.regexp "/") path in
+  let rec aux where = function
+    | [] -> ()
+    | piece::tl -> 
+        let path = where ^ "/" ^ piece in
+        (try
+          Unix.mkdir path 0o755
+        with 
+        | Unix.Unix_error (Unix.EEXIST,_,_) -> ()
+        | Unix.Unix_error (e,_,_) -> 
+            raise 
+              (Failure 
+                ("Unix.mkdir " ^ path ^ " 0o755 :" ^ (Unix.error_message e))));
+        aux path tl
+  in
+  aux "" components
+
+let trim_blanks =
+  let rex = Pcre.regexp "^\\s*(.*?)\\s*$" in
+  fun s -> (Pcre.extract ~rex s).(1)
+
+let split ?(char = ' ') s =
+  let pieces = ref [] in
+  let rec aux idx =
+    match (try Some (String.index_from s idx char) with Not_found -> None) with
+    | Some pos ->
+        pieces := String.sub s idx (pos - idx) :: !pieces;
+        aux (pos + 1)
+    | None -> pieces := String.sub s idx (String.length s - idx) :: !pieces
+  in
+  aux 0;
+  List.rev !pieces
 
 let empty_mathml () =
   DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
@@ -220,25 +252,6 @@ let singleton f =
   let instance = lazy (f ()) in
   fun () -> Lazy.force instance
 
-let mkdir d =
-  let errmsg = sprintf "Unable to create directory \"%s\"" d in
-  try
-    let dir = "mkdir -p " ^ d in 
-    (match Unix.system dir with
-    | Unix.WEXITED 0 -> ()
-    | Unix.WEXITED n -> 
-        MatitaLog.error ("'mkdir -p " ^ dir ^ "' failed with "^string_of_int n);
-        failwith errmsg
-    | Unix.WSIGNALED s 
-    | Unix.WSTOPPED s -> 
-        MatitaLog.error 
-          ("'mkdir -p " ^ dir ^ "' signaled with " ^ string_of_int s);
-        failwith errmsg)
-  with Unix.Unix_error _ as exc -> 
-    MatitaLog.error 
-      ("Unix error in makigin dir " ^ (MatitaExcPp.to_string exc));
-    failwith errmsg
-
 let get_proof_status status =
   match status.proof_status with
   | Incomplete_proof s -> s
@@ -258,8 +271,13 @@ let get_proof_context status =
       context
   | _ -> []
  
-let get_proof_aliases status = status.aliases
-
+let get_proof_conclusion status =
+  match status.proof_status with
+  | Incomplete_proof ((_, metasenv, _, _), goal) ->
+      let (_, _, conclusion) = CicUtil.lookup_meta goal metasenv in
+      conclusion
+  | _ -> statement_error "no ongoing proof"
+ 
 let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
 
 let unopt = function None -> failwith "unopt: None" | Some v -> v
@@ -276,8 +294,9 @@ let obj_file_of_baseuri baseuri =
   path ^ ".moo"
 
 let obj_file_of_script f =
- let baseuri = baseuri_of_file f in
-  obj_file_of_baseuri baseuri
+ if f = "coq.ma" then BuildTimeConf.coq_notation_script else
+  let baseuri = baseuri_of_file f in
+   obj_file_of_baseuri baseuri
 
 let rec list_uniq = function 
   | [] -> []
@@ -285,6 +304,15 @@ 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 list_tl_at ?(equality=(==)) e l =
+  let rec aux =
+    function
+    | [] -> raise Not_found
+    | hd :: tl as l when equality hd e -> l
+    | hd :: tl -> aux tl
+  in
+  aux l
+
 let debug_wrap name f =
   prerr_endline (sprintf "debug_wrap: ==>> %s" name);
   let res = f () in