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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(* $Id: coqinit.ml 10901 2008-05-07 18:53:48Z letouzey $ *)
open Pp
open System
open Toplevel
let (/) = Filename.concat
let set_debug () = Flags.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 ()
(*
Flags.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
Flags.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 d s =
Mltop.add_path d (Names.make_dirpath [Nameops.coq_root;Names.id_of_string s])
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
(* The list of all theories in the standard library /!\ order does matter *)
let theories_dirs_map = [
"theories/Unicode", "Unicode" ;
"theories/Classes", "Classes" ;
"theories/Program", "Program" ;
"theories/FSets", "FSets" ;
"theories/Reals", "Reals" ;
"theories/Strings", "Strings" ;
"theories/Sorting", "Sorting" ;
"theories/Setoids", "Setoids" ;
"theories/Sets", "Sets" ;
"theories/Lists", "Lists" ;
"theories/Wellfounded", "Wellfounded" ;
"theories/Relations", "Relations" ;
"theories/Numbers", "Numbers" ;
"theories/QArith", "QArith" ;
"theories/NArith", "NArith" ;
"theories/ZArith", "ZArith" ;
"theories/Arith", "Arith" ;
"theories/Bool", "Bool" ;
"theories/Logic", "Logic" ;
"theories/Init", "Init"
]
(* Initializes the LoadPath according to COQLIB and Coq_config *)
let init_load_path () =
let coqlib =
(* variable COQLIB overrides the default library *)
getenv_else "COQLIB"
(if Coq_config.local || !Flags.boot then Coq_config.coqtop
else Coq_config.coqlib) in
let user_contrib = coqlib/"user-contrib" in
let dirs = "states" :: ["contrib"] in
let camlp4 = getenv_else "CAMLP4LIB" Coq_config.camlp4lib in
(* first user-contrib *)
if Sys.file_exists user_contrib then
Mltop.add_rec_path user_contrib Nameops.default_root_prefix;
(* then states, contrib and dev *)
List.iter (fun s -> coq_add_rec_path (coqlib/s)) dirs;
(* developer specific directory to open *)
if Coq_config.local then coq_add_path (coqlib/"dev") "dev";
(* then standard library *)
List.iter
(fun (s,alias) -> Mltop.add_rec_path (coqlib/s) (Names.make_dirpath [Names.id_of_string alias; Nameops.coq_root]))
theories_dirs_map;
(* then camlp4lib *)
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" ] ]
|
