(** PROFILING *)
-let profiling_enabled = ComponentsConf.profiling
+let profiling_enabled = ref true ;; (* ComponentsConf.profiling *)
-let something_profiled = ref false
+let something_profiled = ref false ;;
let _ =
if !something_profiled then
type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }
let profile ?(enable = true) s =
- if profiling_enabled && enable then
+ if !profiling_enabled && enable then
let total = ref 0.0 in
let calls = ref 0 in
let max = ref 0.0 in
let profile f x =
+ if not !profiling_enabled then f x else
let before = Unix.gettimeofday () in
try
incr calls;
(** {2 List processing} *)
+let flatten_map f l =
+ List.flatten (List.map f l)
+;;
+
+let list_mapi f l =
+ let rec aux k = function
+ | [] -> []
+ | h::tl -> f h k :: aux (k+1) tl
+ in
+ aux 0 l
+;;
+
+let list_mapi_acc f a l =
+ let rec aux k a res = function
+ | [] -> a, List.rev res
+ | h::tl -> let a,h = f h k a in aux (k+1) a (h::res) tl
+ in
+ aux 0 a [] l
+;;
+
+let list_index p =
+ let rec aux n =
+ function
+ [] -> None
+ | he::_ when p he -> Some (n,he)
+ | _::tl -> aux (n + 1) tl
+ in
+ aux 0
+;;
+
+let rec list_iter_default2 f l1 def l2 =
+ match l1,l2 with
+ | [], _ -> ()
+ | a::ta, b::tb -> f a b; list_iter_default2 f ta def tb
+ | a::ta, [] -> f a def; list_iter_default2 f ta def []
+;;
+
+let rec list_forall_default3 f l1 l2 def l3 =
+ match l1,l2,l3 with
+ | [], [], _ -> true
+ | [], _, _
+ | _, [], _ -> raise (Invalid_argument "list_forall_default3")
+ | a::ta, b::tb, c::tc -> f a b c && list_forall_default3 f ta tb def tc
+ | a::ta, b::tb, [] -> f a b def && list_forall_default3 f ta tb def []
+;;
+
+exception FailureAt of int;;
+
+let list_forall_default3_var f l1 l2 def l3 =
+ let rec aux f l1 l2 def l3 i =
+ match l1,l2,l3 with
+ | [], [], _ -> true
+ | [], _, _
+ | _, [], _ -> raise (Invalid_argument "list_forall_default3")
+ | a::ta, b::tb, c::tc ->
+ if f a b c then aux f ta tb def tc (i+1)
+ else raise (FailureAt i)
+ | a::ta, b::tb, [] ->
+ if f a b def then aux f ta tb def [] (i+1)
+ else raise (FailureAt i)
+ in aux f l1 l2 def l3 0
+;;
+
+let sharing_map f l =
+ let unchanged = ref true in
+ let rec aux b = function
+ | [] as t -> unchanged := b; t
+ | he::tl ->
+ let he1 = f he in
+ he1 :: aux (b && he1 == he) tl
+ in
+ let l1 = aux true l in
+ if !unchanged then l else l1
+;;
+
let rec list_uniq ?(eq=(=)) = function
| [] -> []
| h::[] -> [h]
| None -> filter_map f tl
| Some v -> v :: filter_map f tl)
+let filter_map_acc f acc l =
+ let acc, res =
+ List.fold_left
+ (fun (acc, res) t ->
+ match f acc t with
+ | None -> acc, res
+ | Some (acc, x) -> acc, x::res)
+ (acc,[]) l
+ in
+ acc, List.rev res
+;;
+
+let filter_map_monad f acc l =
+ let acc, res =
+ List.fold_left
+ (fun (acc, res) t ->
+ match f acc t with
+ | acc, None -> acc, res
+ | acc, Some x -> acc, x::res)
+ (acc,[]) l
+ in
+ acc, List.rev res
+;;
+
+let list_rev_map_filter f l =
+ let rec aux a = function
+ | [] -> a
+ | hd :: tl ->
+ begin match f hd with
+ | None -> aux a tl
+ | Some b -> aux (b :: a) tl
+ end
+ in
+ aux [] l
+
+let list_rev_map_filter_fold f v l =
+ let rec aux v a = function
+ | [] -> v, a
+ | hd :: tl ->
+ begin match f v hd with
+ | v, None -> aux v a tl
+ | v, Some b -> aux v (b :: a) tl
+ end
+ in
+ aux v [] l
+
let list_concat ?(sep = []) =
let rec aux acc =
function
in
aux []
+let list_iter_sep ~sep f =
+ let rec aux =
+ function
+ | [] -> ()
+ | [ last ] -> f last
+ | hd :: tl -> f hd; sep (); aux tl
+ in
+ aux
+
let rec list_findopt f l =
- let rec aux = function
+ let rec aux k = function
| [] -> None
| x::tl ->
- (match f x with
- | None -> aux tl
+ (match f x k with
+ | None -> aux (succ k) tl
| Some _ as rc -> rc)
in
- aux l
+ aux 0 l
+
+let split_nth n l =
+ let rec aux acc n l =
+ match n, l with
+ | 0, _ -> List.rev acc, l
+ | n, [] -> raise (Failure "HExtlib.split_nth")
+ | n, hd :: tl -> aux (hd :: acc) (n - 1) tl in
+ aux [] n l
+
+let list_last l =
+ let l = List.rev l in
+ try List.hd l with exn -> raise (Failure "HExtlib.list_last")
+;;
+
+let rec list_assoc_all a = function
+ | [] -> []
+ | (x, y) :: tl when x = a -> y :: list_assoc_all a tl
+ | _ :: tl -> list_assoc_all a tl
+;;
(** {2 File predicates} *)
(Unix.stat fname).Unix.st_kind = Unix.S_DIR
with Unix.Unix_error _ -> false
+let writable_dir path =
+ try
+ let file = path ^ "/prova_matita" in
+ let oc = open_out file in
+ close_out oc;
+ Sys.remove file;
+ true
+ with Sys_error _ -> false
+
+
let is_regular fname =
try
(Unix.stat fname).Unix.st_kind = Unix.S_REG
with Unix.Unix_error _ -> false
+let is_executable fname =
+ try
+ let stat = (Unix.stat fname) in
+ stat.Unix.st_kind = Unix.S_REG &&
+ (stat.Unix.st_perm land 0o001 > 0)
+ with Unix.Unix_error _ -> false
+
+let chmod mode filename =
+ Unix.chmod filename mode
+
let mkdir path =
let components = split ~sep:'/' path in
let rec aux where = function
let path =
if where = "" then piece else where ^ "/" ^ piece in
(try
- Unix.mkdir path 0o755
+ Unix.mkdir path 0o755; chmod 0o2775 path
with
| Unix.Unix_error (Unix.EEXIST,_,_) -> ()
| Unix.Unix_error (e,_,_) ->
raise
(Failure
- ("Unix.mkdir " ^ path ^ " 0o755 :" ^ (Unix.error_message e))));
+ ("Unix.mkdir " ^ path ^ " 0o2775 :" ^ (Unix.error_message e))));
aux path tl
in
let where = if path.[0] = '/' then "/" else "" in
let output_file ~filename ~text =
let oc = open_out filename in
output_string oc text;
- close_out oc
+ close_out oc;
+ chmod 0o664 filename
let blank_split s =
let len = String.length s in
let safe_remove fname = if Sys.file_exists fname then Sys.remove fname
let is_dir_empty d =
- let od = Unix.opendir d in
- let rec aux () =
- let name = Unix.readdir od in
- if name <> "." && name <> ".." then false else aux () in
- let res = try aux () with End_of_file -> true in
- Unix.closedir od;
- res
+ try
+ let od = Unix.opendir d in
+ let rec aux () =
+ let name = Unix.readdir od in
+ if name <> "." && name <> ".." then false else aux () in
+ let res = try aux () with End_of_file -> true in
+ Unix.closedir od;
+ res
+ with
+ Unix.Unix_error _ -> true (* raised by Unix.opendir, we hope :-) *)
let safe_rmdir d = try Unix.rmdir d with Unix.Unix_error _ -> ()
(** {2 Localized exceptions } *)
-exception Localized of Token.flocation * exn
+exception Localized of Stdpp.location * exn
-let loc_of_floc = function
- | { Lexing.pos_cnum = loc_begin }, { Lexing.pos_cnum = loc_end } ->
- (loc_begin, loc_end)
+let loc_of_floc floc = Stdpp.first_pos floc, Stdpp.last_pos floc;;
let floc_of_loc (loc_begin, loc_end) =
- let floc_begin =
- { Lexing.pos_fname = ""; Lexing.pos_lnum = -1; Lexing.pos_bol = -1;
- Lexing.pos_cnum = loc_begin }
- in
- let floc_end = { floc_begin with Lexing.pos_cnum = loc_end } in
- (floc_begin, floc_end)
+ Stdpp.make_loc (loc_begin, loc_end)
-let dummy_floc = floc_of_loc (-1, -1)
+let dummy_floc = floc_of_loc (0, 0)
let raise_localized_exception ~offset floc exn =
- let (x, y) = loc_of_floc floc in
+ let x, y = loc_of_floc floc in
let x = offset + x in
let y = offset + y in
- let flocb,floce = floc in
- let floc =
- { flocb with Lexing.pos_cnum = x }, { floce with Lexing.pos_cnum = y }
- in
+ let floc = floc_of_loc (x,y) in
raise (Localized (floc, exn))
let estimate_size x =
4 * (String.length (Marshal.to_string x [])) / 1024
+let normalize_path s =
+ let s = Str.global_replace (Str.regexp "//") "/" s in
+ let l = Str.split (Str.regexp "/") s in
+ let rec aux acc = function
+ | [] -> acc
+ | he::"."::tl -> aux acc (he::tl)
+ | he::".."::tl when he <> ".." -> aux [] (acc @ tl)
+ | he::tl -> aux (acc@[he]) tl
+ in
+ (if Str.string_match (Str.regexp "^/") s 0 then "/" else "") ^
+ String.concat "/" (aux [] l)
+ ^ (if Str.string_match (Str.regexp "/$") s 0 then "/" else "")
+;;
+
+let find_in paths path =
+ let rec aux = function
+ | [] -> raise (Failure "find_in")
+ | p :: tl ->
+ let path = normalize_path (p ^ "/" ^ path) in
+ try
+ if (Unix.stat path).Unix.st_kind = Unix.S_REG then path
+ else aux tl
+ with Unix.Unix_error _ ->
+ aux tl
+ in
+ try
+ aux paths
+ with Unix.Unix_error _ | Failure _ ->
+ raise
+ (Failure "find_in")
+;;
+
+let is_prefix_of_aux d1 d2 =
+ let len1 = String.length d1 in
+ let len2 = String.length d2 in
+ if len2 < len1 then
+ false, len1, len2
+ else
+ let pref = String.sub d2 0 len1 in
+ pref = d1 && (len1 = len2 || d1.[len1-1] = '/' || d2.[len1] = '/'), len1, len2
+
+let is_prefix_of d1 d2 =
+ let b,_,_ = is_prefix_of_aux d1 d2 in b
+;;
+
+let chop_prefix prefix s =
+ let b,lp,ls = is_prefix_of_aux prefix s in
+ if b then
+ String.sub s lp (ls - lp)
+ else
+ s
+;;
+
+let touch s =
+ try close_out(open_out s) with Sys_error _ -> ()
+;;
+
+let rec mk_list x = function
+ | 0 -> []
+ | n -> x :: mk_list x (n-1)
+;;
+
+let list_seq start stop =
+ if start > stop then [] else
+ let rec aux pos =
+ if pos = stop then []
+ else pos :: (aux (pos+1))
+ in
+ aux start
+;;
+
+let rec list_skip n l =
+ match n,l with
+ | 0,_ -> l
+ | n,_::l -> list_skip (n-1) l
+ | _, [] -> assert false
+;;
+
projects / helm.git / blobdiff