1 (* Copyright (C) 2005, HELM Team.
3 * This file is part of HELM, an Hypertextual, Electronic
4 * Library of Mathematics, developed at the Computer Science
5 * Department, University of Bologna, Italy.
7 * HELM is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
12 * HELM is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with HELM; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
22 * For details, see the HELM World-Wide-Web page,
23 * http://helm.cs.unibo.it/
27 let times = Unix.times () in
28 let msg = Printf.sprintf "UTIMESTAMP (%s): %f" msg times.Unix.tms_utime in
33 exception NoRootFor of string
37 if String.length path > 0 && path.[0] <> '/' then
38 Sys.getcwd () ^ "/" ^ path
42 HExtlib.normalize_path path
47 let path = absolutize path in
48 let paths = List.rev (Str.split (Str.regexp "/") path) in
49 let rec build = function
50 | he::tl as l -> ("/" ^ String.concat "/" (List.rev l) ^ "/") :: build tl
53 let paths = List.map HExtlib.normalize_path (build paths) in
54 try HExtlib.find_in paths "root"
55 with Failure "find_in" ->
56 raise (NoRootFor (path ^ " (" ^ String.concat ", " paths ^ ")"))
59 let ensure_trailing_slash s =
60 if s = "" then "/" else
61 if s.[String.length s-1] <> '/' then s^"/" else s
64 let remove_trailing_slash s =
65 if s = "" then "" else
66 let len = String.length s in
67 if s.[len-1] = '/' then String.sub s 0 (len-1) else s
70 let load_root_file rootpath =
71 let data = HExtlib.input_file rootpath in
72 let lines = Str.split (Str.regexp "\n") data in
74 Pcre.replace ~pat:"[ \t]+" ~templ:" "
75 (Pcre.replace ~pat:"^ *" (Pcre.replace ~pat:" *$" s))
79 match Str.split (Str.regexp "=") l with
80 | [k;v] -> clean k, Http_getter_misc.strip_trailing_slash (clean v)
81 | _ -> raise (Failure ("Malformed root file: " ^ rootpath)))
85 let find_root_for ~include_paths file =
86 let include_paths = "" :: Sys.getcwd () :: include_paths in
88 let path = HExtlib.find_in include_paths file in
89 let path = absolutize path in
90 (* HLog.debug ("file "^file^" resolved as "^path); *)
91 let rootpath, root, buri =
93 let mburi = Helm_registry.get "matita.baseuri" in
94 match Str.split (Str.regexp " ") mburi with
95 | [root; buri] when HExtlib.is_prefix_of root path ->
96 ":registry:", root, buri
97 | _ -> raise (Helm_registry.Key_not_found "matita.baseuri")
98 with Helm_registry.Key_not_found "matita.baseuri" ->
99 let rootpath = find_root path in
100 let buri = List.assoc "baseuri" (load_root_file rootpath) in
101 rootpath, Filename.dirname rootpath, buri
103 (* HLog.debug ("file "^file^" rooted by "^rootpath^""); *)
104 let uri = Http_getter_misc.strip_trailing_slash buri in
105 if String.length uri < 5 || String.sub uri 0 5 <> "cic:/" then
106 HLog.error (rootpath ^ " sets an incorrect baseuri: " ^ buri);
107 ensure_trailing_slash root, remove_trailing_slash uri, path
108 with Failure "find_in" ->
109 HLog.error ("We are in: " ^ Sys.getcwd ());
110 HLog.error ("Unable to find: "^file^"\nPaths explored:");
111 List.iter (fun x -> HLog.error (" - "^x)) include_paths;
112 raise (NoRootFor file)
115 let mk_baseuri root extra =
117 assert(Filename.check_suffix name ".ma" ||
118 Filename.check_suffix name ".mma");
119 try Filename.chop_extension name
120 with Invalid_argument "Filename.chop_extension" -> name
122 remove_trailing_slash (HExtlib.normalize_path (root ^ "/" ^ chop extra))
125 let baseuri_of_script ~include_paths file =
126 let root, buri, path = find_root_for ~include_paths file in
127 let path = HExtlib.normalize_path path in
128 let root = HExtlib.normalize_path root in
129 let lpath = Str.split (Str.regexp "/") path in
130 let lroot = Str.split (Str.regexp "/") root in
131 let rec substract l1 l2 =
133 | h1::tl1,h2::tl2 when h1 = h2 -> substract tl1 tl2
135 | _ -> raise (NoRootFor (file ^" "^path^" "^root))
137 let extra_buri = substract lpath lroot in
138 let extra = String.concat "/" extra_buri in
140 mk_baseuri buri extra,
145 let find_roots_in_dir dir =
146 HExtlib.find ~test:(fun f ->
147 Filename.basename f = "root" &&
148 try (Unix.stat f).Unix.st_kind = Unix.S_REG
149 with Unix.Unix_error _ -> false)
154 let load_deps_file f =
156 let ic = open_in f in
160 let l = input_line ic in
161 match Str.split (Str.regexp " ") l with
163 HLog.error ("Malformed deps file: " ^ f);
164 raise (Failure ("Malformed deps file: " ^ f))
165 | he::tl -> deps := (he,tl) :: !deps
168 with End_of_file -> !deps
171 type options = (string * string) list
177 val load_deps_file: string -> (source_object * source_object list) list
178 val string_of_source_object: source_object -> string
179 val string_of_target_object: target_object -> string
180 val build: options -> source_object -> bool
181 val root_and_target_of:
182 options -> source_object -> string option * target_object
183 val mtime_of_source_object: source_object -> float option
184 val mtime_of_target_object: target_object -> float option
185 val is_readonly_buri_of: options -> source_object -> bool
188 module Make = functor (F:Format) -> struct
190 type status = Done of bool
193 let say s = if debug then prerr_endline ("make: "^s);;
195 let unopt_or_call x f y = match x with Some _ -> x | None -> f y;;
197 let fst4 = function (x,_,_,_) -> x;;
199 let younger_s_t (_,cs, ct, _, _) a b =
200 let a = try Hashtbl.find cs a with Not_found -> assert false in
203 match Hashtbl.find ct b with
206 match F.mtime_of_target_object b with
209 Hashtbl.add ct b x; x
211 with Not_found -> assert false
214 | Some a, Some b -> a < b
218 let younger_t_t (_,_,ct, _, _) a b =
221 match Hashtbl.find ct a with
224 match F.mtime_of_target_object a with
227 Hashtbl.add ct a x; x
229 with Not_found -> assert false
233 match Hashtbl.find ct b with
236 match F.mtime_of_target_object b with
239 Hashtbl.add ct b x; x
241 with Not_found -> assert false
244 | Some a, Some b -> a < b
248 let rec purge_unwanted_roots wanted deps =
252 not (List.exists (fun (_,d1,_,_) -> List.mem t d1) deps))
255 let newroots = List.filter (fun (t,_,_,_) -> List.mem t wanted) roots in
256 if newroots = roots then
259 purge_unwanted_roots wanted (newroots @ rest)
262 let is_not_ro (opts,_,_,_,_) (f,_,r,_) =
264 | Some root -> not (F.is_readonly_buri_of opts f)
265 | None -> assert false
268 let rec get_status opts what =
269 let _, _, _, cc, cd = opts in
270 let t, dependencies, root, tgt = what in
271 try Done (Hashtbl.find cc t)
272 (* say "already built" *)
274 let map st d = match st with
278 let whatd = Hashtbl.find cd d in
279 let _, _, _, tgtd = whatd in
280 begin match st, get_status opts whatd with
281 | _, Done false -> Hashtbl.add cc t false; Done false
282 | Done true, Done true ->
283 if younger_t_t opts tgt tgtd then Ready true else Done true
284 (* say (F.string_of_source_object t^" depends on "^F.string_of_target_object unsat^" and "^F.string_of_source_object t^".o is younger than "^ F.string_of_target_object unsat^", thus needs to be built") *)
285 | Done true, Ready _ -> Ready false
286 | Ready true, Ready _ -> Ready false
287 (* say (F.string_of_source_object t^" depends on "^ F.string_of_source_object (fst4 unsat)^ " that is not built, thus is not ready") *)
288 | Ready true, Done true -> Ready true
292 let st = if younger_s_t opts t tgt then Done true else Ready true in
293 match List.fold_left map st dependencies with
294 | Done true -> Hashtbl.add cc t true; Done true
295 (* say(F.string_of_source_object t^" is built" *)
298 let list_partition_filter_rev filter l =
299 let rec aux l1 l2 = function
302 begin match filter hd with
303 | None -> aux l1 l2 tl
304 | Some true -> aux (hd :: l1) l2 tl
305 | Some false -> aux l1 (hd :: l2) tl
310 let rec make_aux root (lo,_,ct, cc, _ as opts) ok deps =
311 timestamp "filter get_status: begin";
312 let map what = match get_status opts what with
316 let todo, deps = list_partition_filter_rev map deps in
317 timestamp "filter get_status: end";
320 List.partition (fun (_,_,froot,_) -> froot = Some root) todo
322 let local, skipped = List.partition (is_not_ro opts) local in
325 HLog.warn("Read only baseuri for: "^F.string_of_source_object(fst4 x)))
329 if todo <> [] then begin
330 let ok = List.fold_left
331 (fun ok (file,_,froot,tgt) ->
334 | Some froot when froot = root ->
335 Hashtbl.remove ct tgt;
336 Hashtbl.add ct tgt None;
337 timestamp "building";
338 let r = F.build lo file in
340 | Some froot -> make froot [file]
342 HLog.error ("No root for: "^F.string_of_source_object file);
345 Hashtbl.add cc file rc;
350 make_aux root opts ok (List.rev deps)
355 and make root targets =
356 timestamp "entering";
357 HLog.debug ("Entering directory '"^root^"'");
358 let old_root = Sys.getcwd () in
360 let deps = F.load_deps_file (root^"/depends") in
361 let local_options = load_root_file (root^"/root") in
362 let caches,cachet,cachec,cached =
363 Hashtbl.create 73, Hashtbl.create 73, Hashtbl.create 73, Hashtbl.create 73
365 (* deps are enriched with these informations to sped up things later *)
369 let r,tgt = F.root_and_target_of local_options file in
370 Hashtbl.add caches file (F.mtime_of_source_object file);
371 Hashtbl.add cachet tgt (F.mtime_of_target_object tgt);
372 Hashtbl.add cached file (file, d, r, tgt);
377 let opts = local_options, caches, cachet, cachec, cached in
380 make_aux root opts true deps
382 make_aux root opts true
383 (purge_unwanted_roots targets deps)
385 HLog.debug ("Leaving directory '"^root^"'");
393 let write_deps_file where deps = match where with
395 let oc = open_out (root ^ "/depends") in
396 let map (t, d) = output_string oc (t^" "^String.concat " " d^"\n") in
397 List.iter map deps; close_out oc;
398 HLog.message ("Generated: " ^ root ^ "/depends")
400 print_endline (String.concat " " (List.flatten (List.map snd deps)))
402 (* FG ***********************************************************************)
404 (* scheme uri part as defined in URI Generic Syntax (RFC 3986) *)
405 let uri_scheme_rex = Pcre.regexp "^[[:alpha:]][[:alnum:]\-+.]*:"
408 Pcre.pmatch ~rex:uri_scheme_rex str