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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 mSGNL [< 'sTR ("No .coqrc or .coqrc."^Coq_config.version^
" found. Skipping rcfile loading.") >]
with e ->
(mSGNL [< 'sTR"Load of rcfile failed." >];
raise e)
else mSGNL [< 'sTR"Skipping rcfile loading." >]
(* Puts dir in the path of ML and in the LoadPath *)
let add_include s =
Mltop.dir_ml_dir s;
add_path s
(* By the option -include -I or -R of the command line *)
let includes = ref []
let push_include s = includes := s :: !includes
let rec_include s = includes := (all_subdirs s) @ !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 () =
(* default load path; only if COQLIB is defined *)
let coqlib = getenv_else "COQLIB" Coq_config.coqlib in
let coqtop = getenv_else "COQTOP" Coq_config.coqtop in
if coqlib = coqtop then
(* local installation *)
List.iter
(fun s -> add_include (Filename.concat coqtop s))
("states" :: "dev" ::
(List.map
(fun s -> Filename.concat "theories" (hm2 s))
Coq_config.theories_dirs))
else
add_include coqlib;
let camlp4 = getenv_else "CAMLP4LIB" Coq_config.camlp4lib in
add_include camlp4;
add_include ".";
(* additional loadpath, given with -I -include -R options *)
List.iter add_include (List.rev !includes);
includes := []
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