CristalCaveGem » LustreC

let extensions = [".ec"; ".lus"; ".lusi"]

let check_stateless_decls decls =

  try

    Stateless.check_prog decls

  with (Stateless.Error (loc, err)) as exc ->

    raise exc

let type_decls env decls =  

  let new_env = 

    begin

      try

    end 

  in

  if !Options.print_types then

  new_env

let clock_decls env decls = 

  let new_env =

    begin

      try

    end

  in

  if !Options.print_clocks then

  new_env

(* Loading Lusi file and filling type tables with parsed

  let lexbuf = Lexing.from_channel (open_in filename) in

  Location.init lexbuf filename;

  (* Parsing *)

    try

      Parse.header own Parser_lustre.header Lexer_lustre.token lexbuf

    with

      Stateless.check_compat header

    with Sys_error _ -> ( 

      (* Printing lusi file is necessary *)

	(fun fmt -> 

	  fprintf fmt 

	    ".. generating lustre interface file %s@," lusi_name);

  Location.init lexbuf source_name;

  (* Parsing *)

    (fun fmt -> fprintf fmt "@[<v>.. parsing file %s@," source_name);

  let prog =

    try

  in

  (* Extracting dependencies *)

  let dependencies = 

    List.fold_right 

      (fun d accu -> match d.Corelang.top_decl_desc with 

    List.fold_left (fun (compilation_dep, type_env, clock_env) (s, local) -> 

      try

	let basename = (if local then s else Version.prefix ^ "/include/lustrec/" ^ s ) ^ ".lusi" in 

	let comp_dep, lusi_type_env, lusi_clock_env = check_lusi (load_lusi false basename) in 

	(s, local, comp_dep)::compilation_dep,

	Env.overwrite type_env lusi_type_env,

      )

    )  ([], Basic_library.type_env, Basic_library.clock_env) dependencies

  in

  (* Sorting nodes *)

  let prog = SortProg.sort prog in

    if(!Options.delay_calculus)

    then

    begin

    try

    Delay_calculus.delay_prog Basic_library.delay_env prog

    with (Delay.Error (loc,err)) as exc ->

  (*Hashtbl.iter (fun id td -> match td.Corelang.top_decl_desc with Corelang.Node nd -> Format.eprintf "%s calls %a" id Causality.NodeDep.pp_generic_calls nd | _ -> ()) Corelang.node_table;*)

  (* Normalization phase *)

  (* Special treatment of arrows in lustre backend. We want to keep them *)

  if !Options.output = "lustre" then

    Normalization.unfold_arrow_active := false;

  let prog = Normalization.normalize_prog prog in

  (* Checking array accesses *)

  if !Options.check then

    begin

      Access.check_prog prog;

    end;

 (* Optimization of prog: 

    - Unfold consts 

  in

  (* DFS with modular code generation *)

  let machine_code = Machine_code.translate_prog prog node_schs in

    (Utils.fprintf_list ~sep:"@ " Machine_code.pp_machine)

    machine_code);

  (* Creating destination directory if needed *)

  if not (Sys.file_exists !Options.dest_dir) then (

    Unix.mkdir !Options.dest_dir (Unix.stat ".").Unix.st_perm

  );

  if (Unix.stat !Options.dest_dir).Unix.st_kind <> Unix.S_DIR then (

	  (* let spec_file_opt = if !Options.c_spec then  *)

	  (*     ( *)

	  (* 	let spec_file = basename ^ "_spec.c" in *)

	  (* 	Some spec_file  *)

	  (*     ) else ( *)

	  (* 	None  *)

	  (*      ) *)

	  (* in  *)

	  C_backend.translate_to_c 

	    header_file source_lib_file source_main_file makefile_file

	    basename prog machine_code dependencies

      begin

	failwith "Sorry, but not yet supported !"

    (*let source_file = basename ^ ".java" in

      let source_out = open_out source_file in

      let source_fmt = formatter_of_out_channel source_out in

      Java_backend.translate_to_java source_fmt basename normalized_prog machine_code;*)

      end

    | "horn" ->

    | _ -> assert false

  in

  (* We stop the process here *)

  exit 0