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(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(* $Id$ *)
open Pp
open System
open Toplevel
let (/) = Filename.concat
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 (home/".coqrc")
let rcfile_specified = ref false
let set_rcfile s = rcfile := s; rcfile_specified := true
let set_rcuser s = rcfile := ("~"^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 ()
(*
Options.if_verbose
mSGNL (str ("No .coqrc or .coqrc."^Coq_config.version^
" found. Skipping rcfile loading."))
*)
with e ->
(msgnl (str"Load of rcfile failed.");
raise e)
else
Options.if_verbose 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 (Names.make_dirpath [Nameops.coq_root])
let coq_add_rec_path s = Mltop.add_rec_path s (Names.make_dirpath [Nameops.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 () =
(* developper specific directories to open *)
let dev = if Coq_config.local then [ "dev" ] else [] in
let coqlib =
if Coq_config.local || !Options.boot then Coq_config.coqtop
(* variable COQLIB overrides the default library *)
else getenv_else "COQLIB" Coq_config.coqlib in
(* first user-contrib *)
let user_contrib = coqlib/"user-contrib" in
if Sys.file_exists user_contrib then
Mltop.add_path user_contrib Nameops.default_root_prefix;
(* then standard library *)
let vdirs =
if !Options.v7 then [ "theories7"; "contrib7" ]
else [ "theories"; "contrib" ] in
let dirs =
(if !Options.v7 then "states7" else "states") :: dev @ vdirs in
List.iter (fun s -> coq_add_rec_path (coqlib/s)) dirs;
let camlp4 = getenv_else "CAMLP4LIB" Coq_config.camlp4lib in
add_ml_include camlp4;
(* then current directory *)
Mltop.add_path "." Nameops.default_root_prefix;
(* 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 () =
includes := []
(* Initialises the Ocaml toplevel before launching it, so that it can
find the "include" file in the *source* directory *)
(* We only assume that the variable COQTOP is set *)
let init_ocaml_path () =
let coqtop = getenv_else "COQTOP" Coq_config.coqtop in
let add_subdir dl =
Mltop.add_ml_dir (List.fold_left (/) coqtop dl)
in
List.iter add_subdir
[ [ "config" ]; [ "dev" ]; [ "lib" ]; [ "kernel" ]; [ "library" ];
[ "pretyping" ]; [ "interp" ]; [ "parsing" ]; [ "proofs" ];
[ "tactics" ]; [ "toplevel" ]; [ "translate" ]; [ "ide" ] ]
|
