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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2014 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** System utilities *)
(** {6 Files and load paths} *)
(** Load path entries remember the original root
given by the user. For efficiency, we keep the full path (field
[directory]), the root path and the path relative to the root. *)
type physical_path = string
type load_path = physical_path list
val canonical_path_name : string -> string
val exclude_search_in_dirname : string -> unit
val all_subdirs : unix_path:string -> (physical_path * string list) list
val is_in_path : load_path -> string -> bool
val is_in_system_path : string -> bool
val where_in_path : ?warn:bool -> load_path -> string -> physical_path * string
val physical_path_of_string : string -> physical_path
val string_of_physical_path : physical_path -> string
val make_suffix : string -> string -> string
val file_readable_p : string -> bool
val expand_path_macros : string -> string
val getenv_else : string -> string -> string
val home : string
val exists_dir : string -> bool
val find_file_in_path :
?warn:bool -> load_path -> string -> physical_path * string
(** {6 I/O functions } *)
(** Generic input and output functions, parameterized by a magic number
and a suffix. The intern functions raise the exception [Bad_magic_number]
when the check fails, with the full file name. *)
val marshal_out : out_channel -> 'a -> unit
val marshal_in : string -> in_channel -> 'a
exception Bad_magic_number of string
val raw_extern_intern : int -> string ->
(string -> string * out_channel) * (string -> in_channel)
val extern_intern : ?warn:bool -> int -> string ->
(string -> 'a -> unit) * (load_path -> string -> 'a)
val with_magic_number_check : ('a -> 'b) -> 'a -> 'b
(** {6 Sending/receiving once with external executable } *)
val connect : (out_channel -> unit) -> (in_channel -> 'a) -> string -> 'a
(** {6 Executing commands } *)
(** [run_command converter f com] launches command [com], and returns
the contents of stdout and stderr that have been processed with
[converter]; the processed contents of stdout and stderr is also
passed to [f] *)
val run_command : (string -> string) -> (string -> unit) -> string ->
Unix.process_status * string
(** {6 Time stamps.} *)
type time
val get_time : unit -> time
val time_difference : time -> time -> float (** in seconds *)
val fmt_time_difference : time -> time -> Pp.std_ppcmds
|
