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|
(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * INRIA, CNRS and contributors - Copyright 1999-2018 *)
(* <O___,, * (see CREDITS file for the list of authors) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
open Util
open Pp
let ( / ) s1 s2 = s1 ^ "/" ^ s2
let set_debug () =
let () = Backtrace.record_backtrace true in
Flags.debug := true
(* Loading of the ressource file.
rcfile is either $XDG_CONFIG_HOME/.coqrc.VERSION, or $XDG_CONFIG_HOME/.coqrc if the first one
does not exist. *)
let rcdefaultname = "coqrc"
let load_rcfile ~rcfile ~state =
try
match rcfile with
| Some rcfile ->
if CUnix.file_readable_p rcfile then
Vernac.load_vernac ~echo:false ~interactive:false ~check:true ~state rcfile
else raise (Sys_error ("Cannot read rcfile: "^ rcfile))
| None ->
try
let warn x = Feedback.msg_warning (str x) in
let inferedrc = List.find CUnix.file_readable_p [
Envars.xdg_config_home warn / rcdefaultname^"."^Coq_config.version;
Envars.xdg_config_home warn / rcdefaultname;
Envars.home ~warn / "."^rcdefaultname^"."^Coq_config.version;
Envars.home ~warn / "."^rcdefaultname
] in
Vernac.load_vernac ~echo:false ~interactive:false ~check:true ~state inferedrc
with Not_found -> state
(*
Flags.if_verbose
mSGNL (str ("No coqrc or coqrc."^Coq_config.version^
" found. Skipping rcfile loading."))
*)
with reraise ->
let reraise = CErrors.push reraise in
let () = Feedback.msg_info (str"Load of rcfile failed.") in
iraise reraise
(* Recursively puts dir in the LoadPath if -nois was not passed *)
let build_stdlib_path ~load_init ~unix_path ~coq_path ~with_ml =
let open Mltop in
let add_ml = if with_ml then AddRecML else AddNoML in
{ recursive = true;
path_spec = VoPath { unix_path; coq_path ; has_ml = add_ml; implicit = load_init }
}
let build_userlib_path ~unix_path =
let open Mltop in
{ recursive = true;
path_spec = VoPath {
unix_path;
coq_path = Libnames.default_root_prefix;
has_ml = Mltop.AddRecML;
implicit = false;
}
}
let ml_path_if c p =
let open Mltop in
let f x = { recursive = false; path_spec = MlPath x } in
if c then List.map f p else []
(* LoadPath for developers *)
let toplevel_init_load_path () =
let coqlib = Envars.coqlib () in
(* NOTE: These directories are searched from last to first *)
(* first, developer specific directory to open *)
ml_path_if Coq_config.local [coqlib/"dev"]
(* LoadPath for Coq user libraries *)
let libs_init_load_path ~load_init =
let open Mltop in
let coqlib = Envars.coqlib () in
let user_contrib = coqlib/"user-contrib" in
let xdg_dirs = Envars.xdg_dirs ~warn:(fun x -> Feedback.msg_warning (str x)) in
let coqpath = Envars.coqpath in
let coq_path = Names.DirPath.make [Libnames.coq_root] in
(* then standard library and plugins *)
[build_stdlib_path ~load_init ~unix_path:(coqlib/"theories") ~coq_path ~with_ml:false;
build_stdlib_path ~load_init ~unix_path:(coqlib/"plugins") ~coq_path ~with_ml:true ] @
(* then user-contrib *)
(if Sys.file_exists user_contrib then
[build_userlib_path ~unix_path:user_contrib] else []
) @
(* then directories in XDG_DATA_DIRS and XDG_DATA_HOME and COQPATH *)
List.map (fun s -> build_userlib_path ~unix_path:s) (xdg_dirs @ coqpath) @
(* then current directory (not recursively!) *)
[ { recursive = false;
path_spec = VoPath { unix_path = ".";
coq_path = Libnames.default_root_prefix;
implicit = false;
has_ml = AddTopML }
} ]
(* Initialises the Ocaml toplevel before launching it, so that it can
find the "include" file in the *source* directory *)
let init_ocaml_path () =
let open Mltop in
let lp s = { recursive = false; path_spec = MlPath s } in
let add_subdir dl =
Mltop.add_coq_path (lp (List.fold_left (/) Envars.coqroot [dl]))
in
Mltop.add_coq_path (lp (Envars.coqlib ()));
List.iter add_subdir Coq_config.all_src_dirs
|
