1 exception NoRootFor of string
5 if String.length path > 0 && path.[0] <> '/' then
6 Sys.getcwd () ^ "/" ^ path
10 HExtlib.normalize_path path
15 let path = absolutize path in
16 let paths = List.rev (Str.split (Str.regexp "/") path) in
17 let rec build = function
18 | he::tl as l -> ("/" ^ String.concat "/" (List.rev l) ^ "/") :: build tl
21 let paths = List.map HExtlib.normalize_path (build paths) in
22 try HExtlib.find_in paths "root"
23 with Failure "find_in" ->
24 raise (NoRootFor (path ^ " (" ^ String.concat ", " paths ^ ")"))
27 let ensure_trailing_slash s =
28 if s = "" then "/" else
29 if s.[String.length s-1] <> '/' then s^"/" else s
32 let remove_trailing_slash s =
33 if s = "" then "" else
34 let len = String.length s in
35 if s.[len-1] = '/' then String.sub s 0 (len-1) else s
38 let load_root_file rootpath =
39 let data = HExtlib.input_file rootpath in
40 let lines = Str.split (Str.regexp "\n") data in
43 match Str.split (Str.regexp "=") l with
44 | [k;v] -> Pcre.replace ~pat:"^ *" k, Pcre.replace ~pat:" *$" v
45 | _ -> raise (Failure ("Malformed root file: " ^ rootpath)))
49 let find_root_for ~include_paths file =
50 let include_paths = "" :: Sys.getcwd () :: include_paths in
52 let path = HExtlib.find_in include_paths file in
53 let path = absolutize path in
54 (* HLog.debug ("file "^file^" resolved as "^path); *)
55 let rootpath, root, buri =
57 let mburi = Helm_registry.get "matita.baseuri" in
58 match Str.split (Str.regexp " ") mburi with
59 | [root; buri] when HExtlib.is_prefix_of root path ->
60 ":registry:", root, buri
61 | _ -> raise (Helm_registry.Key_not_found "matita.baseuri")
62 with Helm_registry.Key_not_found "matita.baseuri" ->
63 let rootpath = find_root path in
64 let buri = List.assoc "baseuri" (load_root_file rootpath) in
65 rootpath, Filename.dirname rootpath, buri
67 (* HLog.debug ("file "^file^" rooted by "^rootpath^""); *)
68 let uri = Http_getter_misc.strip_trailing_slash buri in
69 if String.length uri < 5 || String.sub uri 0 5 <> "cic:/" then
70 HLog.error (rootpath ^ " sets an incorrect baseuri: " ^ buri);
71 ensure_trailing_slash root, remove_trailing_slash uri, path
72 with Failure "find_in" ->
73 HLog.error ("Unable to find: "^file^"\nPaths explored:");
74 List.iter (fun x -> HLog.error (" - "^x)) include_paths;
75 raise (NoRootFor file)
78 let baseuri_of_script ~include_paths file =
79 let root, buri, path = find_root_for ~include_paths file in
80 let path = HExtlib.normalize_path path in
81 let root = HExtlib.normalize_path root in
82 let lpath = Str.split (Str.regexp "/") path in
83 let lroot = Str.split (Str.regexp "/") root in
84 let rec substract l1 l2 =
86 | h1::tl1,h2::tl2 when h1 = h2 -> substract tl1 tl2
88 | _ -> raise (NoRootFor (file ^" "^path^" "^root))
90 let extra_buri = substract lpath lroot in
92 assert(Filename.check_suffix name ".ma");
93 try Filename.chop_extension name
94 with Invalid_argument "Filename.chop_extension" -> name
96 let extra = String.concat "/" extra_buri in
98 remove_trailing_slash (HExtlib.normalize_path
99 (buri ^ "/" ^ chop extra)),
104 let find_roots_in_dir dir =
105 HExtlib.find ~test:(fun f ->
106 Filename.basename f = "root" &&
107 try (Unix.stat f).Unix.st_kind = Unix.S_REG
108 with Unix.Unix_error _ -> false)
113 let load_deps_file f =
115 let ic = open_in f in
119 let l = input_line ic in
120 match Str.split (Str.regexp " ") l with
122 HLog.error ("Malformed deps file: " ^ f);
123 raise (Failure ("Malformed deps file: " ^ f))
124 | he::tl -> deps := (he,tl) :: !deps
127 with End_of_file -> !deps
130 type options = (string * string) list
136 val load_deps_file: string -> (source_object * source_object list) list
137 val target_of: options -> source_object -> target_object
138 val string_of_source_object: source_object -> string
139 val string_of_target_object: target_object -> string
140 val build: options -> source_object -> bool
141 val root_of: options -> source_object -> string option
142 val mtime_of_source_object: source_object -> float option
143 val mtime_of_target_object: target_object -> float option
146 module Make = functor (F:Format) -> struct
148 let prerr_endline _ = ();;
150 let younger_s_t a b =
151 match F.mtime_of_source_object a, F.mtime_of_target_object b with
152 | Some a, Some b -> a < b
153 | _ -> false (* XXX check if correct *)
155 let younger_t_t a b =
156 match F.mtime_of_target_object a, F.mtime_of_target_object b with
157 | Some a, Some b -> a < b
158 | _ -> false (* XXX check if correct *)
161 let is_built opts t = younger_s_t t (F.target_of opts t);;
163 let rec needs_build opts deps compiled (t,dependencies) =
164 prerr_endline ("Checking if "^F.string_of_source_object t^" needs to be built");
165 if List.mem t compiled then
166 (prerr_endline "already compiled";
169 if not (is_built opts t) then
170 (prerr_endline (F.string_of_source_object t^
171 " is not built, thus needs to be built");
177 (needs_build opts deps compiled)
178 (List.map (fun x -> x, List.assoc x deps) dependencies)
181 (F.string_of_source_object t^" depends on "^F.string_of_source_object (fst unsat)^
182 " that needs to be built, thus needs to be built");
187 List.find (younger_t_t (F.target_of opts t))
188 (List.map (F.target_of opts) dependencies)
191 (F.string_of_source_object t^" depends on "^F.string_of_target_object
192 unsat^" and "^F.string_of_source_object t^".o is younger than "^
193 F.string_of_target_object unsat^", thus needs to be built");
195 with Not_found -> false
198 let is_buildable opts compiled deps (t,dependencies) =
199 prerr_endline ("Checking if "^F.string_of_source_object t^" is buildable");
200 let b = needs_build opts deps compiled (t,dependencies) in
202 (prerr_endline (F.string_of_source_object t^
203 " does not need to be built, thus it not buildable");
208 List.find (needs_build opts deps compiled)
209 (List.map (fun x -> x, List.assoc x deps) dependencies)
212 (F.string_of_source_object t^" depends on "^
213 F.string_of_source_object (fst unsat)^
214 " that needs build, thus is not buildable");
218 ("None of "^F.string_of_source_object t^
219 " dependencies needs to be built, thus it is buildable");
223 let rec purge_unwanted_roots wanted deps =
227 not (List.exists (fun (_,d1) -> List.mem t d1) deps))
230 let newroots = List.filter (fun (t,_) -> List.mem t wanted) roots in
231 if newroots = roots then
234 purge_unwanted_roots wanted (newroots @ rest)
238 let rec make_aux root local_options compiled failed deps =
239 let todo = List.filter (is_buildable local_options compiled deps) deps in
240 let todo = List.filter (fun (f,_) -> not (List.mem f failed)) todo in
242 let compiled, failed =
247 d<>[] || F.root_of local_options file = Some root)
253 (fun (c,f) (file,_) ->
254 let froot = F.root_of local_options file in
257 | Some froot when froot = root ->
258 F.build local_options file
262 HLog.error ("No root for: "^F.string_of_source_object file);
265 if rc then (file::c,f)
267 (compiled,failed) todo
269 make_aux root local_options compiled failed deps
273 and make root targets =
274 let deps = F.load_deps_file (root^"/depends") in
275 let local_options = load_root_file (root^"/root") in
276 HLog.debug ("Entering directory '"^root^"'");
277 let old_root = Sys.getcwd () in
279 let _compiled, failed =
281 make_aux root local_options [] [] deps
283 make_aux root local_options [] [] (purge_unwanted_roots targets deps)
285 HLog.debug ("Leaving directory '"^root^"'");
292 let write_deps_file root deps =
293 let oc = open_out (root ^ "/depends") in
295 (fun (t,d) -> output_string oc (t^" "^String.concat " " d^"\n"))
298 HLog.message ("Generated: " ^ root ^ "/depends")