-(* Copyright (C) 2004, HELM Team.
+(* Copyright (C) 2004-2005, HELM Team.
*
* This file is part of HELM, an Hypertextual, Electronic
* Library of Mathematics, developed at the Computer Science
*)
open Printf
+open MatitaTypes
-let is_dir fname = (Unix.stat fname).Unix.st_kind = Unix.S_DIR
-let is_regular fname = (Unix.stat fname).Unix.st_kind = Unix.S_REG
+let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
+
+let is_dir fname =
+ try
+ (Unix.stat fname).Unix.st_kind = Unix.S_DIR
+ with Unix.Unix_error _ -> false
+
+let is_regular fname =
+ try
+ (Unix.stat fname).Unix.st_kind = Unix.S_REG
+ with Unix.Unix_error _ -> false
let input_file fname =
let size = (Unix.stat fname).Unix.st_size in
close_in ic;
Buffer.contents buf
+let output_file data file =
+ let oc = open_out file in
+ output_string oc data;
+ close_out oc
+
+
+let absolute_path file =
+ if file.[0] = '/' then file else Unix.getcwd () ^ "/" ^ file
+
let is_proof_script fname = true (** TODO Zack *)
let is_proof_object fname = true (** TODO Zack *)
let rex = Pcre.regexp "\\s*$" in
fun s -> Pcre.replace ~rex s
+let strip_trailing_slash =
+ let rex = Pcre.regexp "/$" in
+ fun s -> Pcre.replace ~rex s
+
let empty_mathml () =
- Misc.domImpl#createDocument ~namespaceURI:(Some Misc.mathml_ns)
+ DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.mathml_ns)
~qualifiedName:(Gdome.domString "math") ~doctype:None
let empty_boxml () =
- Misc.domImpl#createDocument ~namespaceURI:(Some Misc.boxml_ns)
+ DomMisc.domImpl#createDocument ~namespaceURI:(Some DomMisc.boxml_ns)
~qualifiedName:(Gdome.domString "box") ~doctype:None
exception History_failure
method previous : 'a
method load: 'a memento -> unit
method save: 'a memento
+ method is_begin: bool
+ method is_end: bool
end
+class basic_history (head, tail, cur) =
+ object
+ val mutable hd = head (* insertion point *)
+ val mutable tl = tail (* oldest inserted item *)
+ val mutable cur = cur (* current item for the history *)
+
+ method is_begin = cur <= tl
+ method is_end = cur >= hd
+ end
+
+
class shell_history size =
let size = size + 1 in
let decr x = let x' = x - 1 in if x' < 0 then size + x' else x' in
let incr x = (x + 1) mod size in
object (self)
val data = Array.create size ""
- val mutable hd = 0 (* insertion point *)
- val mutable tl = -1 (* oldest inserted item *)
- val mutable cur = -1 (* current item for the history *)
+
+ inherit basic_history (0, -1 , -1)
+
method add s =
data.(hd) <- s;
if tl = -1 then tl <- hd;
object (self)
initializer match memento with Some m -> self#load m | _ -> ()
val data = Array.create size init
- val mutable hd = 0
- val mutable tl = 0
- val mutable cur = 0
+
+ inherit basic_history (0, 0, 0)
+
method previous =
if cur = tl then raise History_failure;
cur <- cur - 1;
if cur = size then cur <- 0;
data.(cur)
method add (e:'a) =
- cur <- cur + 1;
- if cur = size then cur <- 0;
- if cur = tl then tl <- tl + 1;
- if tl = size then tl <- 0;
- hd <- cur;
- data.(cur) <- e
+ if e <> data.(cur) then
+ begin
+ cur <- cur + 1;
+ if cur = size then cur <- 0;
+ if cur = tl then tl <- tl + 1;
+ if tl = size then tl <- 0;
+ hd <- cur;
+ data.(cur) <- e
+ end
method load (data', hd', tl', cur') =
assert (Array.length data = Array.length data');
hd <- hd'; tl <- tl'; cur <- cur';
method save = (Array.copy data, hd, tl, cur)
end
-let dbd_instance =
- let dbd = lazy (
- Mysql.quick_connect
- ~host:(Helm_registry.get "db.host")
- ~user:(Helm_registry.get "db.user")
- ~database:(Helm_registry.get "db.database")
- ())
- in
- fun () -> Lazy.force dbd
-
let singleton f =
let instance = lazy (f ()) in
fun () -> Lazy.force instance
-let mkdirs = List.iter (fun d -> ignore (Unix.system ("mkdir -p " ^ d)))
+let mkdir d =
+ let errmsg = sprintf "Unable to create directory \"%s\"" d in
+ try
+ (match Unix.system ("mkdir -p " ^ d) with
+ | Unix.WEXITED 0 -> ()
+ | _ -> failwith errmsg)
+ with Unix.Unix_error _ -> failwith errmsg
+
+let get_proof_status status =
+ match status.proof_status with
+ | Incomplete_proof s -> s
+ | _ -> statement_error "no ongoing proof"
+
+let get_proof_metasenv status =
+ match status.proof_status with
+ | No_proof -> []
+ | Incomplete_proof ((_, metasenv, _, _), _) -> metasenv
+ | Proof (_, metasenv, _, _) -> metasenv
+ | Intermediate m -> m
+
+let get_proof_context status =
+ match status.proof_status with
+ | Incomplete_proof ((_, metasenv, _, _), goal) ->
+ let (_, context, _) = CicUtil.lookup_meta goal metasenv in
+ context
+ | _ -> []
+
+let get_proof_aliases status = status.aliases
+
+let qualify status name = get_string_option status "baseuri" ^ "/" ^ name
+
+let unopt = function None -> failwith "unopt: None" | Some v -> v
+
+let image_path n = sprintf "%s/%s" BuildTimeConf.images_dir n
+
+let end_ma_RE = Pcre.regexp "\\.ma$"
+let obj_file_of_script f = Pcre.replace ~rex:end_ma_RE ~templ:".moo" f
+
+let rec list_uniq = function
+ | [] -> []
+ | h::[] -> [h]
+ | h1::h2::tl when h1 = h2 -> list_uniq (h2 :: tl)
+ | h1::tl (* when h1 <> h2 *) -> h1 :: list_uniq tl
+
+let debug_wrap name f =
+ prerr_endline (sprintf "debug_wrap: ==>> %s" name);
+ let res = f () in
+ prerr_endline (sprintf "debug_wrap: <<== %s" name);
+ res