ocaml/driver/main.ml

117 lines
4.2 KiB
OCaml

(**************************************************************************)
(* *)
(* OCaml *)
(* *)
(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
(* *)
(* Copyright 1996 Institut National de Recherche en Informatique et *)
(* en Automatique. *)
(* *)
(* All rights reserved. This file is distributed under the terms of *)
(* the GNU Lesser General Public License version 2.1, with the *)
(* special exception on linking described in the file LICENSE. *)
(* *)
(**************************************************************************)
open Clflags
open Compenv
let usage = "Usage: ocamlc <options> <files>\nOptions are:"
(* Error messages to standard error formatter *)
let ppf = Format.err_formatter
module Options = Main_args.Make_bytecomp_options (Main_args.Default.Main)
let main () =
Clflags.add_arguments __LOC__ Options.list;
Clflags.add_arguments __LOC__
["-depend", Arg.Unit Makedepend.main_from_option,
"<options> Compute dependencies (use 'ocamlc -depend -help' for details)"];
try
readenv ppf Before_args;
Clflags.parse_arguments anonymous usage;
Compmisc.read_clflags_from_env ();
if !Clflags.plugin then
fatal "-plugin is only supported up to OCaml 4.08.0";
begin try
Compenv.process_deferred_actions
(ppf,
Compile.implementation,
Compile.interface,
".cmo",
".cma");
with Arg.Bad msg ->
begin
prerr_endline msg;
Clflags.print_arguments usage;
exit 2
end
end;
readenv ppf Before_link;
if
List.length
(List.filter (fun x -> !x)
[make_archive;make_package;stop_early;output_c_object])
> 1
then begin
let module P = Clflags.Compiler_pass in
match !stop_after with
| None ->
fatal "Please specify at most one of -pack, -a, -c, -output-obj";
| Some ((P.Parsing | P.Typing) as p) ->
assert (P.is_compilation_pass p);
Printf.ksprintf fatal
"Options -i and -stop-after (%s) \
are incompatible with -pack, -a, -output-obj"
(String.concat "|"
(Clflags.Compiler_pass.available_pass_names ~native:false))
| Some P.Scheduling -> assert false (* native only *)
end;
if !make_archive then begin
Compmisc.init_path ();
Bytelibrarian.create_archive
(Compenv.get_objfiles ~with_ocamlparam:false)
(extract_output !output_name);
Warnings.check_fatal ();
end
else if !make_package then begin
Compmisc.init_path ();
let extracted_output = extract_output !output_name in
let revd = get_objfiles ~with_ocamlparam:false in
Compmisc.with_ppf_dump ~file_prefix:extracted_output (fun ppf_dump ->
Bytepackager.package_files ~ppf_dump (Compmisc.initial_env ())
revd (extracted_output));
Warnings.check_fatal ();
end
else if not !stop_early && !objfiles <> [] then begin
let target =
if !output_c_object && not !output_complete_executable then
let s = extract_output !output_name in
if (Filename.check_suffix s Config.ext_obj
|| Filename.check_suffix s Config.ext_dll
|| Filename.check_suffix s ".c")
then s
else
fatal
(Printf.sprintf
"The extension of the output file must be .c, %s or %s"
Config.ext_obj Config.ext_dll
)
else
default_output !output_name
in
Compmisc.init_path ();
Bytelink.link (get_objfiles ~with_ocamlparam:true) target;
Warnings.check_fatal ();
end;
with x ->
Location.report_exception ppf x;
exit 2
let () =
main ();
Profile.print Format.std_formatter !Clflags.profile_columns;
exit 0