3 exception NoRootFor of string
7 if String.length path > 0 && path.[0] <> '/' then
8 Sys.getcwd () ^ "/" ^ path
12 HExtlib.normalize_path path
17 let path = absolutize path in
18 let paths = List.rev (Str.split (Str.regexp "/") path) in
19 let rec build = function
20 | he::tl as l -> ("/" ^ String.concat "/" (List.rev l) ^ "/") :: build tl
23 let paths = List.map HExtlib.normalize_path (build paths) in
24 try HExtlib.find_in paths "root"
25 with Failure "find_in" ->
26 raise (NoRootFor (path ^ " (" ^ String.concat ", " paths ^ ")"))
29 let ensure_trailing_slash s =
30 if s = "" then "/" else
31 if s.[String.length s-1] <> '/' then s^"/" else s
34 let remove_trailing_slash s =
35 if s = "" then "" else
36 let len = String.length s in
37 if s.[len-1] = '/' then String.sub s 0 (len-1) else s
40 let load_root_file rootpath =
41 let data = HExtlib.input_file rootpath in
42 let lines = Str.split (Str.regexp "\n") data in
43 let clean s = Pcre.replace ~pat:"^ *" (Pcre.replace ~pat:" *$" s) in
46 match Str.split (Str.regexp "=") l with
47 | [k;v] -> clean k, Http_getter_misc.strip_trailing_slash (clean v)
48 | _ -> raise (Failure ("Malformed root file: " ^ rootpath)))
52 let find_root_for ~include_paths file =
53 let include_paths = "" :: Sys.getcwd () :: include_paths in
55 let path = HExtlib.find_in include_paths file in
56 let path = absolutize path in
57 (* HLog.debug ("file "^file^" resolved as "^path); *)
58 let rootpath, root, buri =
60 let mburi = Helm_registry.get "matita.baseuri" in
61 match Str.split (Str.regexp " ") mburi with
62 | [root; buri] when HExtlib.is_prefix_of root path ->
63 ":registry:", root, buri
64 | _ -> raise (Helm_registry.Key_not_found "matita.baseuri")
65 with Helm_registry.Key_not_found "matita.baseuri" ->
66 let rootpath = find_root path in
67 let buri = List.assoc "baseuri" (load_root_file rootpath) in
68 rootpath, Filename.dirname rootpath, buri
70 (* HLog.debug ("file "^file^" rooted by "^rootpath^""); *)
71 let uri = Http_getter_misc.strip_trailing_slash buri in
72 if String.length uri < 5 || String.sub uri 0 5 <> "cic:/" then
73 HLog.error (rootpath ^ " sets an incorrect baseuri: " ^ buri);
74 ensure_trailing_slash root, remove_trailing_slash uri, path
75 with Failure "find_in" ->
76 HLog.error ("We are in: " ^ Sys.getcwd ());
77 HLog.error ("Unable to find: "^file^"\nPaths explored:");
78 List.iter (fun x -> HLog.error (" - "^x)) include_paths;
79 raise (NoRootFor file)
82 let mk_baseuri root extra =
84 assert(Filename.check_suffix name ".ma" ||
85 Filename.check_suffix name ".mma");
86 try Filename.chop_extension name
87 with Invalid_argument "Filename.chop_extension" -> name
89 remove_trailing_slash (HExtlib.normalize_path (root ^ "/" ^ chop extra))
92 let baseuri_of_script ~include_paths file =
93 let root, buri, path = find_root_for ~include_paths file in
94 let path = HExtlib.normalize_path path in
95 let root = HExtlib.normalize_path root in
96 let lpath = Str.split (Str.regexp "/") path in
97 let lroot = Str.split (Str.regexp "/") root in
98 let rec substract l1 l2 =
100 | h1::tl1,h2::tl2 when h1 = h2 -> substract tl1 tl2
102 | _ -> raise (NoRootFor (file ^" "^path^" "^root))
104 let extra_buri = substract lpath lroot in
105 let extra = String.concat "/" extra_buri in
107 mk_baseuri buri extra,
112 let find_roots_in_dir dir =
113 HExtlib.find ~test:(fun f ->
114 Filename.basename f = "root" &&
115 try (Unix.stat f).Unix.st_kind = Unix.S_REG
116 with Unix.Unix_error _ -> false)
121 let load_deps_file f =
123 let ic = open_in f in
127 let l = input_line ic in
128 match Str.split (Str.regexp " ") l with
130 HLog.error ("Malformed deps file: " ^ f);
131 raise (Failure ("Malformed deps file: " ^ f))
132 | he::tl -> deps := (he,tl) :: !deps
135 with End_of_file -> !deps
138 type options = (string * string) list
144 val load_deps_file: string -> (source_object * source_object list) list
145 val string_of_source_object: source_object -> string
146 val string_of_target_object: target_object -> string
147 val build: options -> source_object -> bool
148 val root_and_target_of:
149 options -> source_object -> string option * target_object
150 val mtime_of_source_object: source_object -> float option
151 val mtime_of_target_object: target_object -> float option
152 val is_readonly_buri_of: options -> source_object -> bool
155 module Make = functor (F:Format) -> struct
157 let say s = if debug then prerr_endline ("make: "^s);;
159 let unopt_or_call x f y = match x with Some _ -> x | None -> f y;;
161 let younger_s_t (_,cs,ct) a b =
162 let a = try Hashtbl.find cs a with Not_found -> assert false in
165 match Hashtbl.find ct b with
168 match F.mtime_of_target_object b with
171 Hashtbl.add ct b x; x
173 with Not_found -> assert false
176 | Some a, Some b -> a < b
180 let younger_t_t (_,_,ct) a b =
183 match Hashtbl.find ct a with
186 match F.mtime_of_target_object a with
189 Hashtbl.add ct a x; x
191 with Not_found -> assert false
195 match Hashtbl.find ct b with
198 match F.mtime_of_target_object b with
201 Hashtbl.add ct b x; x
203 with Not_found -> assert false
206 | Some a, Some b -> a < b
210 let is_built opts t tgt =
211 younger_s_t opts t tgt
214 let assoc4 l k = List.find (fun (k1,_,_,_) -> k1 = k) l;;
216 let fst4 = function (x,_,_,_) -> x;;
218 let rec needs_build opts deps compiled (t,dependencies,root,tgt) =
219 say ("Checking if "^F.string_of_source_object t^ " needs to be built");
220 if List.mem t compiled then
221 (say "already compiled"; false)
223 if not (is_built opts t tgt) then
224 (say(F.string_of_source_object t^" is not built, thus needs to be built");
230 (needs_build opts deps compiled)
231 (List.map (assoc4 deps) dependencies)
233 say (F.string_of_source_object t^" depends on "^
234 F.string_of_source_object (fst4 unsat)^
235 " that needs to be built, thus needs to be built");
241 (fun (_,_,_,tgt1) -> younger_t_t opts tgt tgt1)
242 (List.map (assoc4 deps) dependencies)
245 (F.string_of_source_object t^" depends on "^F.string_of_target_object
246 unsat^" and "^F.string_of_source_object t^".o is younger than "^
247 F.string_of_target_object unsat^", thus needs to be built");
249 with Not_found -> false
252 let is_buildable opts compiled deps (t,dependencies,root,tgt as what) =
253 say ("Checking if "^F.string_of_source_object t^" is buildable");
254 let b = needs_build opts deps compiled what in
256 (say (F.string_of_source_object t^
257 " does not need to be built, thus it not buildable");
262 List.find (needs_build opts deps compiled)
263 (List.map (assoc4 deps) dependencies)
265 say (F.string_of_source_object t^" depends on "^
266 F.string_of_source_object unsat^
267 " that needs build, thus is not buildable");
271 ("None of "^F.string_of_source_object t^
272 " dependencies needs to be built, thus it is buildable");
276 let rec purge_unwanted_roots wanted deps =
280 not (List.exists (fun (_,d1,_,_) -> List.mem t d1) deps))
283 let newroots = List.filter (fun (t,_,_,_) -> List.mem t wanted) roots in
284 if newroots = roots then
287 purge_unwanted_roots wanted (newroots @ rest)
290 let is_not_ro (opts,_,_) (f,_,r,_) =
292 | Some root -> not (F.is_readonly_buri_of opts f)
293 | None -> assert false
296 let rec make_aux root (lo,_,ct as opts) compiled failed deps =
297 let todo = List.filter (is_buildable opts compiled deps) deps in
298 let todo = List.filter (fun (f,_,_,_)->not (List.mem f failed)) todo in
301 List.partition (fun (_,_,froot,_) -> froot = Some root) todo
303 let local = List.filter (is_not_ro opts) local in
307 let compiled, failed =
309 (fun (c,f) (file,_,froot,tgt) ->
312 | Some froot when froot = root ->
313 Hashtbl.remove ct tgt;
314 Hashtbl.add ct tgt None;
316 | Some froot -> make froot [file]
318 HLog.error ("No root for: "^F.string_of_source_object file);
321 if rc then (file::c,f)
323 (compiled,failed) todo
325 make_aux root opts compiled failed deps
329 and make root targets =
330 HLog.debug ("Entering directory '"^root^"'");
331 let old_root = Sys.getcwd () in
333 let deps = F.load_deps_file (root^"/depends") in
334 let local_options = load_root_file (root^"/root") in
335 let caches,cachet = Hashtbl.create 73, Hashtbl.create 73 in
336 (* deps are enriched with these informations to sped up things later *)
340 let r,tgt = F.root_and_target_of local_options file in
341 Hashtbl.add caches file (F.mtime_of_source_object file);
342 Hashtbl.add cachet tgt (F.mtime_of_target_object tgt);
346 let opts = local_options, caches, cachet in
347 let _compiled, failed =
349 make_aux root opts [] [] deps
351 make_aux root opts [] [] (purge_unwanted_roots targets deps)
353 HLog.debug ("Leaving directory '"^root^"'");
360 let write_deps_file root deps =
361 let oc = open_out (root ^ "/depends") in
363 (fun (t,d) -> output_string oc (t^" "^String.concat " " d^"\n"))
366 HLog.message ("Generated: " ^ root ^ "/depends")