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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2016 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
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 rcfile = ref ""
let rcfile_specified = ref false
let set_rcfile s = rcfile := s; rcfile_specified := true
let load_rc = ref true
let no_load_rc () = load_rc := false
let load_rcfile sid =
if !load_rc then
try
if !rcfile_specified then
if CUnix.file_readable_p !rcfile then
Vernac.load_vernac false sid !rcfile
else raise (Sys_error ("Cannot read rcfile: "^ !rcfile))
else
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 false sid inferedrc
with Not_found -> sid
(*
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
else
(Flags.if_verbose Feedback.msg_info (str"Skipping rcfile loading.");
sid)
(* Recursively puts dir in the LoadPath if -nois was not passed *)
let add_stdlib_path ~unix_path ~coq_root ~with_ml =
let add_ml = if with_ml then Mltop.AddRecML else Mltop.AddNoML in
Mltop.add_rec_path add_ml ~unix_path ~coq_root ~implicit:(!Flags.load_init)
let add_userlib_path ~unix_path =
Mltop.add_rec_path Mltop.AddRecML ~unix_path
~coq_root:Nameops.default_root_prefix ~implicit:false
(* Options -I, -I-as, and -R of the command line *)
let includes = ref []
let push_include s alias implicit =
includes := (s, alias, implicit) :: !includes
let ml_includes = ref []
let push_ml_include s = ml_includes := s :: !ml_includes
(* Initializes the LoadPath *)
let init_load_path () =
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_root = Names.DirPath.make [Nameops.coq_root] in
(* NOTE: These directories are searched from last to first *)
(* first, developer specific directory to open *)
if Coq_config.local then
Mltop.add_ml_dir (coqlib/"dev");
(* main loops *)
if Coq_config.local || !Flags.boot then begin
Mltop.add_ml_dir (coqlib/"stm");
Mltop.add_ml_dir (coqlib/"ide")
end;
if System.exists_dir (coqlib/"toploop") then
Mltop.add_ml_dir (coqlib/"toploop");
(* then standard library *)
add_stdlib_path ~unix_path:(coqlib/"theories") ~coq_root ~with_ml:false;
(* then plugins *)
add_stdlib_path ~unix_path:(coqlib/"plugins") ~coq_root ~with_ml:true;
(* then user-contrib *)
if Sys.file_exists user_contrib then
add_userlib_path ~unix_path:user_contrib;
(* then directories in XDG_DATA_DIRS and XDG_DATA_HOME *)
List.iter (fun s -> add_userlib_path ~unix_path:s) xdg_dirs;
(* then directories in COQPATH *)
List.iter (fun s -> add_userlib_path ~unix_path:s) coqpath;
(* then current directory (not recursively!) *)
Mltop.add_ml_dir ".";
Loadpath.add_load_path "." Nameops.default_root_prefix ~implicit:false;
(* additional loadpath, given with options -Q and -R *)
List.iter
(fun (unix_path, coq_root, implicit) ->
Mltop.add_rec_path Mltop.AddNoML ~unix_path ~coq_root ~implicit)
(List.rev !includes);
(* additional ml directories, given with option -I *)
List.iter Mltop.add_ml_dir (List.rev !ml_includes)
let init_library_roots () =
includes := []
(* Initialises the Ocaml toplevel before launching it, so that it can
find the "include" file in the *source* directory *)
let init_ocaml_path () =
let add_subdir dl =
Mltop.add_ml_dir (List.fold_left (/) Envars.coqroot [dl])
in
Mltop.add_ml_dir (Envars.coqlib ());
List.iter add_subdir Envars.coq_src_subdirs
let get_compat_version = function
| "8.7" -> Flags.Current
| "8.6" -> Flags.V8_6
| "8.5" -> Flags.V8_5
| "8.4" -> Flags.V8_4
| "8.3" -> Flags.V8_3
| "8.2" -> Flags.V8_2
| ("8.1" | "8.0") as s ->
CErrors.user_err ~hdr:"get_compat_version"
(str "Compatibility with version " ++ str s ++ str " not supported.")
| s -> CErrors.user_err ~hdr:"get_compat_version"
(str "Unknown compatibility version \"" ++ str s ++ str "\".")
|
