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lustrec / src / main_lustre_compiler.ml @ f9f06e7d

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(********************************************************************)
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(*                                                                  *)
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(*  The LustreC compiler toolset   /  The LustreC Development Team  *)
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(*  Copyright 2012 -    --   ONERA - CNRS - INPT                    *)
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(*                                                                  *)
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(*  LustreC is free software, distributed WITHOUT ANY WARRANTY      *)
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(*  under the terms of the GNU Lesser General Public License        *)
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(*  version 2.1.                                                    *)
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(*                                                                  *)
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(********************************************************************)
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open Format
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open Log
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open Compiler_common
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open Utils
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open Lustre_types
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let usage = "Usage: lustrec [options] \x1b[4msource file\x1b[0m"
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let extensions = [".ec"; ".lus"; ".lusi"]
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(* print a .lusi header file from a source prog *)
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let print_lusi prog dirname basename extension =
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  let header = Lusic.extract_header dirname basename prog in
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  let header_name = dirname ^ "/" ^ basename ^ extension in
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  let h_out = open_out header_name in
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  let h_fmt = formatter_of_out_channel h_out in
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  begin
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    Typing.uneval_prog_generics header;
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    Clock_calculus.uneval_prog_generics header;
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    Printers.pp_lusi_header h_fmt basename header;
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    close_out h_out
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  end
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(* compile a .lusi header file *)
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let compile_header dirname  basename extension =
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  let destname = !Options.dest_dir ^ "/" ^ basename in
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  let header_name = basename ^ extension in
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  let lusic_ext = extension ^ "c" in
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  begin
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    Log.report ~level:1 (fun fmt -> fprintf fmt "@[<v>");
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    let header = parse_header true (dirname ^ "/" ^ header_name) in
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    ignore (Modules.load ~is_header:true ISet.empty header);
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    ignore (check_top_decls header); (* typing/clocking with an empty env *)
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    create_dest_dir ();
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    Log.report ~level:1
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      (fun fmt -> fprintf fmt ".. generating compiled header file %sc@," (destname ^ extension));
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    Lusic.write_lusic true header destname lusic_ext;
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    generate_lusic_header destname lusic_ext;
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    Log.report ~level:1 (fun fmt -> fprintf fmt ".. done !@ @]@ ")
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  end
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(* compile a .lus source file *)
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let rec compile_source dirname basename extension =
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  let source_name = dirname ^ "/" ^ basename ^ extension in
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  Log.report ~level:1 (fun fmt -> fprintf fmt "@[<v 0>");
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  (* Parsing source *)
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  let prog = parse_source source_name in
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  let prog =
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    if !Options.mpfr then
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      Mpfr.mpfr_module::prog
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    else
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      prog
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  in
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  let params = Backends.get_normalization_params () in
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  let prog, dependencies = 
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    Log.report ~level:1 (fun fmt -> fprintf fmt "@[<v 2>.. Phase 1 : Normalisation@,");
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    try 
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      Compiler_stages.stage1 params prog dirname basename
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    with Compiler_stages.StopPhase1 prog -> (
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      if !Options.lusi then
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	begin
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	  let lusi_ext = extension ^ "i" in
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	  Log.report ~level:1 (fun fmt -> fprintf fmt ".. generating interface file %s@ " (basename ^ lusi_ext));
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	  print_lusi prog dirname basename lusi_ext;
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	  Log.report ~level:1 (fun fmt -> fprintf fmt ".. done !@ @]@.");
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	  exit 0
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	end
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      else
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        assert false
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    )
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  in
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  Log.report ~level:3 (fun fmt -> fprintf fmt ".. Normalized program:@ %a@ "Printers.pp_prog prog);
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  Log.report ~level:1 (fun fmt -> fprintf fmt "@]@,");
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  Log.report ~level:1 (fun fmt -> fprintf fmt "@[<v 2>.. Phase 2 : Machines generation@,");
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  let machine_code = 
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    Compiler_stages.stage2 prog 
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  in
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  Log.report ~level:3 (fun fmt -> fprintf fmt ".. Generated machines:@ %a@ " Machine_code_common.pp_machines machine_code);
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  if Scopes.Plugin.show_scopes () then
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    begin
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      let all_scopes = Scopes.compute_scopes prog !Options.main_node in
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      (* Printing scopes *)
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      if !Options.verbose_level >= 1 then
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	Format.printf "Possible scopes are:@   ";
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      Format.printf "@[<v>%a@ @]@ @?" Scopes.print_scopes all_scopes;
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      exit 0
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    end;
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  let machine_code = Plugins.refine_machine_code prog machine_code in
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  Log.report ~level:1 (fun fmt -> fprintf fmt "@]@ @ ");
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  Compiler_stages.stage3 prog machine_code dependencies basename;
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  begin
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    Log.report ~level:1 (fun fmt -> fprintf fmt ".. done !@ @]@.");
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    (* We stop the process here *)
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    exit 0
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  end
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let compile dirname basename extension =
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  match extension with
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  | ".lusi"  -> compile_header dirname basename extension
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  | ".lus"   -> compile_source dirname basename extension
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  | _        -> assert false
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let anonymous filename =
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  let ok_ext, ext = List.fold_left
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    (fun (ok, ext) ext' ->
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      if not ok && Filename.check_suffix filename ext' then
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	true, ext'
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      else
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	ok, ext)
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    (false, "") extensions in
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  if ok_ext then
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    let dirname = Filename.dirname filename in
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    let basename = Filename.chop_suffix (Filename.basename filename) ext in
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    compile dirname basename ext
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  else
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    raise (Arg.Bad ("Can only compile *.lusi, *.lus or *.ec files"))
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let _ =
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  Global.initialize ();
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  Corelang.add_internal_funs ();
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  try
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    Printexc.record_backtrace true;
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    let options = Options_management.lustrec_options @ (Plugins.options ()) in
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    Arg.parse options anonymous usage
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  with
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  | Parse.Error _
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  | Types.Error (_,_) | Clocks.Error (_,_) -> exit 1
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  | Corelang.Error (_ (* loc *), kind) (*| Task_set.Error _*) -> exit (Error.return_code kind)
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  (* | Causality.Error _  -> exit (Error.return_code Error.AlgebraicLoop) *)
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  | Sys_error msg -> (eprintf "Failure: %s@." msg); exit 1
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  | exc -> (track_exception (); raise exc) 
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(* Local Variables: *)
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(* compile-command:"make -C .." *)
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(* End: *)