1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
(***********************************************************************)
(* 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 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 ()
(*
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 = Filename.concat coqlib "user-contrib" in
if Sys.file_exists user_contrib then
Mltop.add_path user_contrib Nameops.default_root_prefix;
(* then standard library *)
let dirs = "states" :: dev @ [ "theories"; "tactics"; "contrib" ] in
List.iter (fun s -> coq_add_rec_path (Filename.concat 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 *)
let init_ocaml_path () =
(* We only assume that the variable COQTOP is set *)
let coqtop = getenv_else "COQTOP" Coq_config.coqtop in
let add_subdir dl =
Mltop.add_ml_dir (List.fold_left Filename.concat coqtop dl)
in
List.iter add_subdir
[ [ "config" ]; [ "dev" ]; [ "lib" ]; [ "kernel" ]; [ "library" ];
[ "pretyping" ]; [ "parsing" ]; [ "proofs" ]; [ "tactics" ];
[ "toplevel" ] ]
|
