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|
(* $Id$ *)
(* Afin de rendre Coq plus portable, ce programme Caml remplace le script
coqc.
Ici, on trie la ligne de commande pour en extraire les fichiers à compiler,
puis on les compile un par un en passant le reste de la ligne de commande
à un process "coqtop -batch -load-vernac-source <fichier>".
On essaye au maximum d'utiliser les modules Sys et Filename pour que la
portabilité soit maximale, mais il reste encore des appels à des fonctions
du module Unix. Ceux-ci sont préfixés par "Unix."
*)
(* environment *)
let environment = Unix.environment ()
let bindir = ref Coq_config.bindir
(* the $COQBIN environment variable has priority over the Coq_config value *)
let _ =
try
let c = Sys.getenv "COQBIN" in
if c <> "" then bindir := c
with Not_found -> ()
let specification = ref false
let keep = ref false
(* Verifies that a string do not contains others caracters than letters,
digits, or `_` *)
let check_module_name s =
let err () =
output_string stderr
"Modules names must only contain letters, digits, or underscores\n";
output_string stderr
"and must begin with a letter\n";
exit 1
in
match String.get s 0 with
| 'a' .. 'z' | 'A' .. 'Z' ->
for i = 1 to (String.length s)-1 do
match String.get s i with
| 'a' .. 'z' | 'A' .. 'Z' | '0' .. '9' | '_' -> ()
| _ -> err ()
done
| _ -> err ()
(* compilation of a file [file] with command [command] and args [args] *)
let compile command args file =
let dirname = Filename.dirname file in
let basename = Filename.basename file in
let modulename =
if Filename.check_suffix basename ".v" then
Filename.chop_suffix basename ".v"
else
basename
in
check_module_name modulename;
let tmpfile = Filename.temp_file "coqc" ".v" in
let args' =
command :: "-batch" :: "-silent" :: args
@ ["-load-vernac-source"; tmpfile] in
let devnull =
ifdef Unix then
Unix.openfile "/dev/null" [] 0o777
else
Unix.stdin
in
let filevo = Filename.concat dirname (modulename ^ ".vo") in
let oc = open_out tmpfile in
Printf.fprintf oc "Module %s.\n" modulename;
Printf.fprintf oc "Load \"%s\".\n" file;
Printf.fprintf oc "Write Module %s \"%s\".\n" modulename filevo;
flush oc;
close_out oc;
try
let pid =
Unix.create_process_env command
(Array.of_list args') environment devnull Unix.stdout Unix.stderr in
let status = Unix.waitpid [] pid in
if not !keep then Sys.remove tmpfile ;
match status with
| _, Unix.WEXITED 0 -> ()
| _, Unix.WEXITED c -> exit c
| _ -> exit 1
with _ ->
if not !keep then Sys.remove tmpfile; exit 1
(* parsing of the command line
*
* special treatment for -bindir and -i.
* other options are passed to coqtop *)
let usage () =
Usage.print_usage_coqc () ;
flush stderr ;
exit 1
let parse_args () =
let rec parse (cfiles,args) = function
| [] ->
List.rev cfiles, List.rev args
| "-i" :: rem ->
specification := true ; parse (cfiles,args) rem
| "-t" :: rem ->
keep := true ; parse (cfiles,args) rem
| "-bindir" :: d :: rem ->
bindir := d ; parse (cfiles,d::"-bindir"::args) rem
| "-bindir" :: [] ->
usage ()
| ("-?"|"-h"|"-H"|"-help"|"--help") :: _ -> usage ()
| ("-image"|"-libdir"|"-I"|"-R"|"-include"|"-outputstate"|"-inputstate"
|"-is"|"-load-vernac-source"|"-load-vernac-object"|"-load-ml-source"
|"-require"|"-unsafe"|"-quiet"|"-silent"|"-v"|"--version"
|"-load-ml-object"|"-user"|"-init-file" as o) :: rem ->
begin
match rem with
| s :: rem' -> parse (cfiles,s::o::args) rem'
| [] -> usage ()
end
| ("-notactics"|"-debug"|"-db"|"-debugger"|"-nolib"|"-batch"|"-nois"
|"-q"|"-opt"|"-full"|"-profile"|"-just-parsing"|"-echo" as o) :: rem ->
parse (cfiles,o::args) rem
| f :: rem ->
if Sys.file_exists f then
parse (f::cfiles,args) rem
else
let fv = f ^ ".v" in
if Sys.file_exists fv then
parse (fv::cfiles,args) rem
else begin
prerr_endline ("coqc: "^f^": no such file or directory") ;
exit 1
end
in
parse ([],[]) (List.tl (Array.to_list Sys.argv))
(* main: we parse the command line, define the command to compile files
* and then call the compilation on each file *)
let main () =
let cfiles, args = parse_args () in
if cfiles = [] then begin
prerr_endline "coqc: too few arguments" ;
usage ()
end;
let coqtopname = Filename.concat !bindir "coqtop.byte" in
List.iter (compile coqtopname args) cfiles
let _ = Printexc.print main (); exit 0
|
