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lustrec / src / tools / stateflow / sf_sem.ml @ 93119c3f

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type backend = GenLus | GenImp
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(* Model choice *)
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let model_name = ref "stopwatch" (*"simple"*)
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let models = [(module Model_simple : Datatype.MODEL_T);
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	      (module Model_stopwatch : Datatype.MODEL_T);
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	      (module Model_medium : Datatype.MODEL_T)
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	     ]
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let get_model_name m = let module M = (val m : Datatype.MODEL_T) in M.name
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let set_model name = 
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  if List.exists (fun n -> get_model_name n = name) models then
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    model_name := name
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  else failwith ("incorrect model name. Use " ^
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		    (List.fold_left (fun r n -> r ^ " or " ^ get_model_name n) "" models))
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(* Backend selection *)
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let modular = ref 0
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let set_modular i = modular := i
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let mode = ref GenLus
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let set_mode m =
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  mode := m
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(* Main *)
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let options = [
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  "-model", Arg.String set_model, "model in {simple, stopwatch} (default: simple)";
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  (* "-eval", Arg.Int set_trace_run_mode, "execute the model on trace <int>"; *)
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  (* "-eval-mode", Arg.String set_eval_mode, "select evaluator: cps"; *)
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  "-gen_c", Arg.Unit (fun _ -> set_mode GenImp), "generate imperative code";
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  "-gen_lustre", Arg.Unit (fun _ -> set_mode GenLus), "generate lustre model";
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  "-modular", Arg.Int set_modular, "generate modular code (either for imperative or lustre backend) 0 is not modular, 1 modularize nodes, 2 modularize entry, during and exit actions (default 0)"
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]
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let usage =
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  "lustresf [JSON file] takes as input a stateflow model in the JSON format and a backend.\n"^
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    "Backends are eother the C code generator or the lustre code generator."
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let _ =
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  Arg.parse options (fun _ -> ()) usage;
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  let model = List.find (fun m -> get_model_name m = !model_name) models in
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  let modularmode =
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    match !modular with
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    | 2 -> true, true, true
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    | 1 -> false, true, false
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    | _ (* 0 *) -> false, false ,false
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  in
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  match !mode with
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  | GenImp -> (
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    let module Model = (val model) in
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    let module T = CPS_ccode_generator.CodeGenerator in
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    let module Sem = CPS.Semantics (T) (Model) in
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    Sem.code_gen Format.std_formatter modularmode
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  )				     
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  | GenLus ->
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     let module Model = (val model) in
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     let state_vars = Datatype.SF.states Model.model in
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     let global_vars = Datatype.SF.global_vars Model.model in
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     let module T = CPS_lustre_generator.LustrePrinter (struct
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       let state_vars = state_vars
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       let global_vars = global_vars 
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     end) in
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     let module Sem = CPS.Semantics (T) (Model) in
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     Sem.code_gen Format.std_formatter modularmode
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