CristalCaveGem » LustreC

type kind_def =

  | AdaType

  | AdaProcedure

  | AdaFunction

  | AdaPackageDecl

  | AdaPackageBody

type ada_with = (bool * bool * printer list * printer list) option

  | AdaLocalPackage of (printer * printer * (printer * printer) list)

  | AdaProcedureContent of (ada_local_decl list list * printer list)

  | AdaRecord of ada_var_decl list list

(** Print a parameter_mode. @param fmt the formater to print on @param mode the

    modifier **)

  fprintf fmt "%s"

    (match mode with

    | AdaNoMode ->

      ""

    | AdaIn ->

      "in"

    | AdaOut ->

      "out"

    | AdaInOut ->

      "in out")

  fprintf fmt "%s"

    (match kind_def with

    | AdaType ->

      "type"

    | AdaProcedure ->

      "procedure"

    | AdaFunction ->

      "function"

    | AdaPackageDecl ->

      "package"

    | AdaPackageBody ->

      "package body")

  fprintf fmt "%s"

    (match visibility with

    | AdaNoVisibility ->

      ""

    | AdaPrivate ->

      "private"

    | AdaLimitedPrivate ->

      "limited private")

(** Print the integer type name. @param fmt the formater to print on **)

(** Print the float type name. @param fmt the formater to print on **)

(** Print the boolean type name. @param fmt the formater to print on **)

let pp_group ~sep pp_list fmt =

  assert (pp_list != []);

  fprintf fmt "@[%a@]" (Utils.fprintf_list ~sep (fun fmt pp -> pp fmt)) pp_list

let pp_args ~sep fmt = function

  | [] ->

    fprintf fmt ""

  | args ->

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

      (Utils.fprintf_list ~sep (fun fmt pp -> pp fmt))

      args

    (Utils.fprintf_list ~sep:";@," (fun fmt pp -> pp fmt))

    pp_item_list

  | None ->

    fprintf fmt ""

    assert (ghost || import || pres != [] || posts != []);

    let contract = pres @ posts in

    let pp_ghost fmt =

      if not ghost then fprintf fmt ""

      else

        fprintf fmt " Ghost%t" (fun fmt ->

            if contract != [] || import then fprintf fmt ",@,"

            else fprintf fmt "")

    in

    let pp_import fmt =

      if not import then fprintf fmt ""

      else

        fprintf fmt " Import%t"

          (Utils.pp_final_char_if_non_empty ",@," contract)

    in

    let pp_aspect aspect fmt pps =

      if pps = [] then fprintf fmt ""

      else fprintf fmt "%s => %t" aspect (pp_and pps)

    in

    let pp_contract fmt =

      if contract = [] then fprintf fmt ""

      else

        let sep fmt =

          if pres != [] && posts != [] then fprintf fmt ",@,"

          else fprintf fmt ""

        in

        fprintf fmt "@,  @[<v>%a%t%a@]" (pp_aspect "Pre") pres sep

    in

    fprintf fmt " with%t%t%t" pp_ghost pp_import pp_contract

(** Print instanciation of a generic type in a new statement. @param fmt the

    formater to print on @param id id of the polymorphic type @param typ the new

    type **)

(** Print a variable declaration with mode @param mode input/output mode of the

    parameter @param pp_name a format printer wich print the variable name

    @param pp_type a format printer wich print the variable type @param fmt the

    formater to print on @param id the variable **)

  fprintf fmt "%t: %a%s%t%a" pp_name pp_parameter_mode mode

    pp_type pp_ada_with with_statement

  List.map (fun l -> List.map pp_var_decl l) var_list

  | [] ->

    fprintf fmt ""

  | l ->

    fprintf fmt "generic@,%a" pp_block l

  | None ->

    fprintf fmt ""

  | Some pp ->

    fprintf fmt " %s %t" intro pp

  | AdaLocalVar var ->

    pp_var_decl var fmt

  | AdaLocalPackage (pp_name, pp_base_name, instanciations) ->

    pp_package_instanciation pp_name pp_base_name fmt instanciations

    fprintf fmt ""

    fprintf fmt " is %a" pp_visibility visbility

    fprintf fmt " is@,  @[<v>%t;@]@,end %t" pp_package pp_name

    fprintf fmt " is@,  @[<v 2>(%t)@]" pp_content

    fprintf fmt " is@,%abegin@,%aend %t" pp_block

      (List.map (fun l -> pp_group ~sep:";@;" (List.map pp_local l)) local_list)

      pp_block pp_instr_list pp_name

    assert (var_list != []);

    let pp_lists = apply_var_decl_lists var_list in

    fprintf fmt " is@,  @[<v>record@,  @[<v>%a@]@,end record@]" pp_block

      (List.map (pp_group ~sep:";@;") pp_lists)

    fprintf fmt " is new %t%a" pp_name (pp_args ~sep:",@,")

      (List.map pp_generic_instanciation instanciations)

and pp_def fmt

    (pp_generics, kind_def, pp_name, args, pp_type_opt, content, pp_with_opt) =

  fprintf fmt "%a%a %t%a%a%a%a" pp_generic pp_generics pp_kind_def kind_def

    pp_name (pp_args ~sep:";@,")

    (List.map (pp_group ~sep:";@,") pp_arg_lists)

    (pp_opt "return") pp_type_opt (pp_content pp_name) content pp_ada_with

    pp_with_opt

  pp_def fmt

    ( [],

      AdaPackageDecl,

      pp_name,

      [],

      None,

      AdaPackageInstanciation (pp_base_name, instanciations),

      None )

let pp_adastring pp_content fmt = fprintf fmt "\"%t\"" pp_content

    declaration. Boolean parameter body should be true if it is a body

    delcaration. @param fmt the formater to print on @param fmt the formater to

    print on @param machine the machine **)

  pp_def fmt

    (pp_generics, kind, pp_name, [], None, AdaPackageContent pp_content, None)

(** Print a new statement instantiating a generic package. @param fmt the

    formater to print on @param substitutions the instanciation substitution

    @param machine the machine to instanciate **)

(** Print a type declaration @param fmt the formater to print on @param pp_name

    a format printer which print the type name @param pp_value a format printer

    which print the type definition **)

  let v =

    match visibility with

    | AdaNoVisibility ->

      AdaNoContent

    | _ ->

      AdaVisibilityDefinition visibility

  let content, with_st =

    match content_opt with

    | Some content ->

      AdaSimpleContent content, None

    | None ->

      AdaNoContent, Some (true, imported, [], [])

  pp_def fmt

    ([], AdaFunction, pp_name, args, Some pp_boolean_type, content, with_st)

(** Print a cleaned an identifier for ada exportation : Ada names must not start

    by an underscore and must not contain a double underscore @param var name to

    be cleaned*)

  let reserved_words =

    [

      "abort";

      "else";

      "new";

      "return";

      "boolean";

      "integer";

      "abs";

      "elsif";

      "not";

      "reverse";

      "abstract";

      "end";

      "null";

      "accept";

      "entry";

      "select";

      "access";

      "exception";

      "of";

      "separate";

      "aliased";

      "exit";

      "or";

      "some";

      "all";

      "others";

      "subtype";

      "and";

      "for";

      "out";

      "synchronized";

      "array";

      "function";

      "overriding";

      "at";

      "tagged";

      "generic";

      "package";

      "task";

      "begin";

      "goto";

      "pragma";

      "terminate";

      "body";

      "private";

      "then";

      "if";

      "procedure";

      "type";

      "case";

      "in";

      "protected";

      "constant";

      "interface";

      "until";

      "is";

      "raise";

      "use";

      "declare";

      "\trange";

      "delay";

      "limited";

      "record";

      "when";

      "delta";

      "loop";

      "rem";

      "while";

      "digits";

      "renames";

      "with";

      "do";

      "mod";

      "requeue";

      "xor";

      "float";

    ]

  in

  assert (base_size > 0);

    | i when i == String.length s - 1 ->

      s

    | i when String.get s i == '_' && String.get s (i + 1) == '_' ->

      remove_double_underscore

        (sprintf "%s%s" (String.sub s 0 i)

           (String.sub s (i + 1) (String.length s - i - 1)))

        i

    | i ->

      remove_double_underscore s (i + 1)

  in

  let name =

    if String.get name (base_size - 1) == '_' then name ^ "ada" else name

  let prefix =

    if

      String.length name != base_size

      || String.get name 0 == '_'

      || List.exists (String.equal (String.lowercase_ascii name)) reserved_words

    then "ada"

    else ""

(** Print the access of an item from an other package. @param fmt the formater

    to print on @param package the package to use @param item the item which is

    accessed **)

    commenting anything else. @param fmt the formater to print on @param s the

    comment without newline character **)

  fprintf fmt "%t%a" pp_name (pp_args ~sep:",@ ")

    (List.map (pp_group ~sep:",@,") args)

(** Print the complete name of variable. @param m the machine to check if it is

    memory @param fmt the formater to print on @param var the variable **)

let pp_access pp_state pp_var fmt = fprintf fmt "%t.%t" pp_state pp_var