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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \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() =
if !load_rc then
try
if !rcfile_specified then
if CUnix.file_readable_p !rcfile then
Vernac.load_vernac false !rcfile
else raise (Sys_error ("Cannot read rcfile: "^ !rcfile))
else
try
let warn x = 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 inferedrc
with Not_found -> ()
(*
Flags.if_verbose
mSGNL (str ("No coqrc or coqrc."^Coq_config.version^
" found. Skipping rcfile loading."))
*)
with reraise ->
let reraise = Errors.push reraise in
let () = msg_info (str"Load of rcfile failed.") in
raise reraise
else
Flags.if_verbose msg_info (str"Skipping rcfile loading.")
(* Puts dir in the path of ML and in the LoadPath *)
let coq_add_path unix_path s =
Mltop.add_path ~unix_path ~coq_root:(Names.DirPath.make [Nameops.coq_root;Names.Id.of_string s]) ~implicit:true;
Mltop.add_ml_dir unix_path
(* Recursively puts dir in the LoadPath if -nois was not passed *)
let add_stdlib_path ~unix_path ~coq_root ~with_ml =
if !Flags.load_init then
Mltop.add_rec_path ~unix_path ~coq_root ~implicit:true
else
Mltop.add_path ~unix_path ~coq_root ~implicit:false;
if with_ml then
Mltop.add_rec_ml_dir unix_path
let add_userlib_path ~unix_path =
Mltop.add_path ~unix_path ~coq_root:Nameops.default_root_prefix ~implicit:false;
Mltop.add_rec_ml_dir unix_path
(* Options -I, -I-as, and -R of the command line *)
let includes = ref []
let push_include s alias recursive implicit =
includes := (s,alias,recursive,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 -> 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 coq_add_path (coqlib/"dev") "dev";
(* 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 *)
Mltop.add_path ~unix_path:"." ~coq_root:Nameops.default_root_prefix ~implicit:false;
(* additional loadpath, given with options -I-as, -Q, and -R *)
List.iter
(fun (unix_path, coq_root, reci, implicit) ->
(if reci then Mltop.add_rec_path else Mltop.add_path)
~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
[ [ "config" ]; [ "dev" ]; [ "lib" ]; [ "kernel" ]; [ "library" ];
[ "pretyping" ]; [ "interp" ]; [ "parsing" ]; [ "proofs" ];
[ "tactics" ]; [ "toplevel" ]; [ "printing" ]; [ "intf" ];
[ "grammar" ]; [ "ide" ] ]
let get_compat_version = function
| "8.3" -> Flags.V8_3
| "8.2" -> Flags.V8_2
| ("8.1" | "8.0") as s ->
msg_warning (strbrk ("Compatibility with version "^s^" not supported."));
Flags.V8_2
| s -> Errors.error ("Unknown compatibility version \""^s^"\".")
|
