CristalCaveGem » LustreC

(** All the pretty print functions common to the ada backend **)

(* Package pretty print functions *)

(* Variable pretty print functions *)

(** Print the name of a variable.

   @param fmt the formater to print on

   @param id the variable

*)

let pp_var_name fmt id =

  fprintf fmt "%s" id.var_id

(** Print the type of a variable.

   @param fmt the formater to print on

   @param id the variable

*)

let pp_var_type fmt id = fprintf fmt

  (match (Types.repr id.var_type).Types.tdesc with

    | Types.Tbasic Types.Basic.Tint -> "int"

    | Types.Tbasic Types.Basic.Treal -> "double"

    | Types.Tbasic Types.Basic.Tbool -> "bool"

    | _ -> eprintf "Type error : %a@." Types.print_ty id.var_type; assert false (*TODO*)

  )

(* Prototype pretty print functions *)

type prototype_modifiers = In | Out

(** Print a prototype_modifiers.

   @param fmt the formater to print on

   @param modifier the modifier

*)

let pp_prototype_modifiers fmt modifier =

  fprintf fmt "%s" (match modifier with

                     | In  -> "in"

                     | Out -> "out")

(** Print a variable declaration.

   @param fmt the formater to print on

   @param id the variable

*)

let pp_var_decl fmt id =

  fprintf fmt "type %a is %a;"

    pp_var_name id

    pp_var_type id

(** Print the parameter of a prototype, a list of modifier(eg. in or out)

  can be given to specify the type.

   @param modifiers list of the modifiers for this parameter

   @param fmt the formater to print on

   @param id the variable

*)

let pp_parameter modifiers fmt id =

  fprintf fmt "%a: %a %a"

    pp_var_name id

    (Utils.fprintf_list ~sep:"@ " pp_prototype_modifiers) modifiers

    pp_var_type id

(** Print the prototype of a procedure

   @param fmt the formater to print on

   @param name the name of the procedure

   @param input list of the input parameter of the procedure

   @param output list of the output parameter of the procedure

*)

let pp_simple_prototype fmt (name, input, output) =

  fprintf fmt "procedure %s(@[<v>@[%a%t%a@])@]"

    name

    (Utils.fprintf_list ~sep:",@ " (pp_parameter [In])) input

    (Utils.pp_final_char_if_non_empty ",@," input)

    (Utils.fprintf_list ~sep:",@ " (pp_parameter [Out])) output

(** Print the prototype of the init procedure of a machine.

   @param fmt the formater to print on

   @param m the machine

*)

let pp_init_prototype fmt m =

  pp_simple_prototype fmt ("init", m.mstatic, [])

(** Print the prototype of the step procedure of a machine.

   @param fmt the formater to print on

   @param m the machine

*)

let pp_step_prototype fmt m =

  pp_simple_prototype fmt ("step", m.mstep.step_inputs, m.mstep.step_outputs)

(** Print the prototype of the reset procedure of a machine.

   @param fmt the formater to print on

   @param m the machine

*)

let pp_reset_prototype fmt m =

  pp_simple_prototype fmt ("reset", m.mstatic, [])

(** Print the prototype of the clear procedure of a machine.

   @param fmt the formater to print on

   @param m the machine

*)

let pp_clear_prototype fmt m =

  pp_simple_prototype fmt ("clear", m.mstatic, [])