117 lines
4.1 KiB
OCaml
117 lines
4.1 KiB
OCaml
(**************************************************************************)
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(* *)
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(* OCaml *)
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(* *)
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(* Xavier Leroy, projet Cristal, INRIA Rocquencourt *)
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(* *)
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(* Copyright 1996 Institut National de Recherche en Informatique et *)
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(* en Automatique. *)
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(* *)
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(* All rights reserved. This file is distributed under the terms of *)
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(* the GNU Lesser General Public License version 2.1, with the *)
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(* special exception on linking described in the file LICENSE. *)
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(* *)
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(**************************************************************************)
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open Clflags
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open Compenv
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let usage = "Usage: ocaml <options> <object-files> [script-file [arguments]]\n\
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options are:"
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let preload_objects = ref []
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let prepare ppf =
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Toploop.set_paths ();
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try
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let res =
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List.for_all (Topdirs.load_file ppf) (List.rev !preload_objects) in
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!Toploop.toplevel_startup_hook ();
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res
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with x ->
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try Location.report_exception ppf x; false
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with x ->
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Format.fprintf ppf "Uncaught exception: %s\n" (Printexc.to_string x);
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false
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(* If [name] is "", then the "file" is stdin treated as a script file. *)
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let file_argument name =
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let ppf = Format.err_formatter in
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if Filename.check_suffix name ".cmo" || Filename.check_suffix name ".cma"
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then preload_objects := name :: !preload_objects
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else
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begin
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let newargs = Array.sub Sys.argv !Arg.current
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(Array.length Sys.argv - !Arg.current)
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in
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Compenv.readenv ppf Before_link;
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if prepare ppf && Toploop.run_script ppf name newargs
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then exit 0
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else exit 2
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end
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let print_version () =
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Printf.printf "The OCaml toplevel, version %s\n" Sys.ocaml_version;
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exit 0;
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;;
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let print_version_num () =
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Printf.printf "%s\n" Sys.ocaml_version;
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exit 0;
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;;
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module Options = Main_args.Make_bytetop_options (struct
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let set r () = r := true
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let clear r () = r := false
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let _absname = set Location.absname
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let _I dir =
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let dir = Misc.expand_directory Config.standard_library dir in
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include_dirs := dir :: !include_dirs
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let _init s = init_file := Some s
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let _noinit = set noinit
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let _labels = clear classic
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let _no_alias_deps = set transparent_modules
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let _no_app_funct = clear applicative_functors
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let _noassert = set noassert
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let _nolabels = set classic
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let _noprompt = set noprompt
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let _nopromptcont = set nopromptcont
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let _nostdlib = set no_std_include
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let _open s = open_modules := s :: !open_modules
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let _ppx s = first_ppx := s :: !first_ppx
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let _principal = set principal
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let _rectypes = set recursive_types
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let _safe_string = clear unsafe_string
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let _short_paths = clear real_paths
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let _stdin () = file_argument ""
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let _strict_sequence = set strict_sequence
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let _strict_formats = set strict_formats
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let _unsafe = set fast
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let _unsafe_string = set unsafe_string
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let _version () = print_version ()
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let _vnum () = print_version_num ()
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let _w s = Warnings.parse_options false s
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let _warn_error s = Warnings.parse_options true s
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let _warn_help = Warnings.help_warnings
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let _dparsetree = set dump_parsetree
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let _dtypedtree = set dump_typedtree
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let _dsource = set dump_source
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let _drawlambda = set dump_rawlambda
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let _dlambda = set dump_lambda
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let _dflambda = set dump_flambda
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let _dtimings = set print_timings
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let _dinstr = set dump_instr
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let anonymous s = file_argument s
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end);;
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let main () =
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let ppf = Format.err_formatter in
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Compenv.readenv ppf Before_args;
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Arg.parse Options.list file_argument usage;
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Compenv.readenv ppf Before_link;
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if not (prepare ppf) then exit 2;
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Toploop.loop Format.std_formatter
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