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|
(* $Id$ *)
open Pp
open System
open Toplevel
let set_debug () = Options.debug := true
(* Loading of the ressource file.
rcfile is either $HOME/.coqrc.VERSION, or $HOME/.coqrc if the first one
does not exist. *)
let rcfile = ref (Filename.concat home ".coqrc")
let rcfile_specified = ref false
let set_rcfile s = rcfile := s; rcfile_specified := true
let set_rcuser s = rcfile := Filename.concat ("~"^s) ".coqrc"
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 file_readable_p !rcfile then
Vernac.load_vernac false !rcfile
else raise (Sys_error ("Cannot read rcfile: "^ !rcfile))
else if file_readable_p (!rcfile^"."^Coq_config.version) then
Vernac.load_vernac false (!rcfile^"."^Coq_config.version)
else if file_readable_p !rcfile then
Vernac.load_vernac false !rcfile
else ()
(*
if Options.is_verbose() then
mSGNL [< 'sTR ("No .coqrc or .coqrc."^Coq_config.version^
" found. Skipping rcfile loading.") >]
*)
with e ->
(mSGNL [< 'sTR"Load of rcfile failed." >];
raise e)
else
if Options.is_verbose() then mSGNL [< 'sTR"Skipping rcfile loading." >]
let add_ml_include s =
Mltop.add_ml_dir s
(* Puts dir in the path of ML and in the LoadPath *)
let coq_add_path s = Mltop.add_path s [Nametab.coq_root]
let coq_add_rec_path s = Mltop.add_rec_path s [Nametab.coq_root]
(* By the option -include -I or -R of the command line *)
let includes = ref []
let push_include (s, alias) = includes := (s,alias,false) :: !includes
let push_rec_include (s, alias) = includes := (s,alias,true) :: !includes
(* Because find puts "./" and the loadpath is not nicely pretty-printed *)
let hm2 s =
let n = String.length s in
if n > 1 && s.[0] = '.' && s.[1] = '/' then String.sub s 2 (n-2) else s
let getenv_else s dft = try Sys.getenv s with Not_found -> dft
(* Initializes the LoadPath according to COQLIB and Coq_config *)
let init_load_path () =
if Coq_config.local then begin
(* local use (no installation) *)
List.iter
(fun s -> coq_add_path (Filename.concat Coq_config.coqtop s))
["states"; "dev"];
coq_add_rec_path (Filename.concat Coq_config.coqtop "theories");
coq_add_path (Filename.concat Coq_config.coqtop "tactics");
coq_add_rec_path (Filename.concat Coq_config.coqtop "contrib")
end else begin
(* default load path; variable COQLIB overrides the default library *)
let coqlib = getenv_else "COQLIB" Coq_config.coqlib in
coq_add_path (Filename.concat coqlib "states");
coq_add_rec_path (Filename.concat coqlib "theories");
coq_add_path (Filename.concat coqlib "tactics");
coq_add_rec_path (Filename.concat coqlib "contrib")
end;
let camlp4 = getenv_else "CAMLP4LIB" Coq_config.camlp4lib in
add_ml_include camlp4;
Mltop.add_path "." [Nametab.default_root];
(* additional loadpath, given with -I -include -R options *)
List.iter
(fun (s,alias,reci) ->
if reci then Mltop.add_rec_path s alias else Mltop.add_path s alias)
(List.rev !includes)
let init_library_roots () =
List.iter
(fun (_,alias,_) -> Nametab.push_library_root (List.hd alias)) !includes;
includes := []
|
