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(* $Id$ *)
open Pp
open System
open Toplevel
let set_debug () = Options.debug := true
(* Load of rcfile.
* 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.dir_ml_dir s
(* Puts dir in the path of ML and in the LoadPath *)
let add_include s alias =
Mltop.dir_ml_dir s;
Library.add_path s alias
let add_coq_include s = add_include s [Nametab.coq_root]
let add_rec_include s alias =
let subdirs = all_subdirs s (Some alias) in
List.iter (fun lpe -> Mltop.dir_ml_dir lpe.directory) subdirs;
List.iter Library.add_load_path_entry subdirs
let add_coq_rec_include s = add_rec_include 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 -> add_coq_include (Filename.concat Coq_config.coqtop s))
["states"; "dev"];
add_coq_rec_include (Filename.concat Coq_config.coqtop "theories");
add_coq_include (Filename.concat Coq_config.coqtop "tactics");
add_coq_rec_include (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
add_coq_rec_include coqlib
end;
let camlp4 = getenv_else "CAMLP4LIB" Coq_config.camlp4lib in
add_ml_include camlp4;
add_include "." [Nametab.default_root];
(* additional loadpath, given with -I -include -R options *)
List.iter
(fun (s,alias,reci) ->
if reci then add_rec_include s alias else add_include s alias)
(List.rev !includes);
includes := []
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