CristalCaveGem » LustreC

(* ----------------------------------------------------------------------------

 * SchedMCore - A MultiCore Scheduling Framework

 * Copyright (C) 2009-2011, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE

 *

 * This file is part of Prelude

 *

 * Prelude is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public License

 * as published by the Free Software Foundation ; either version 2 of

 * the License, or (at your option) any later version.

 *

 * Prelude is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY ; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this program ; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307

 * USA

 *---------------------------------------------------------------------------- *)

open LustreSpec

(** The core language and its ast. *)

type ident = Utils.ident

type label = Utils.ident

type rat = Utils.rat

type tag = Utils.tag

type constant =

  | Const_int of int

  | Const_real of string

  | Const_float of float

  | Const_array of constant list

  | Const_tag  of label

  | Const_struct of (label * constant) list

val dummy_type_dec: type_dec

type type_dec = LustreSpec.type_dec

type clock_dec = LustreSpec.clock_dec

val dummy_clock_dec: clock_dec

type var_decl = LustreSpec.var_decl

type expr =

  {expr_tag: tag; (* Unique identifier *)

   expr_desc: expr_desc;

   mutable expr_type: Types.type_expr;

   mutable expr_clock: Clocks.clock_expr;

   mutable expr_delay: Delay.delay_expr; (* Used for the initialisation check *)

   mutable expr_annot: LustreSpec.expr_annot option; (* Spec *)

   expr_loc: Location.t}

and expr_desc =

| Expr_const of constant

| Expr_ident of ident

| Expr_tuple of expr list

| Expr_ite   of expr * expr * expr

| Expr_arrow of expr * expr

| Expr_fby of expr * expr

| Expr_array of expr list

| Expr_access of expr * Dimension.dim_expr (* acces(e,i) is the i-th element 

					      of array epxression e *)

| Expr_power of expr * Dimension.dim_expr (* power(e,n) is the array of 

					     size n filled with expression e *)

| Expr_pre of expr

| Expr_when of expr * ident * label

| Expr_merge of ident * (label * expr) list

| Expr_appl of call_t

| Expr_uclock of expr * int

| Expr_dclock of expr * int

| Expr_phclock of expr * rat

and call_t = ident * expr * (ident * label) option (* The third part denotes the reseting clock label and value *)

type assert_t = 

    {

      assert_expr: expr;

      assert_loc: Location.t

    } 

type eq =

    {eq_lhs: ident list;

     eq_rhs: expr;

     eq_loc: Location.t}

type node_desc =

    {node_id: ident;

     mutable node_type: Types.type_expr;

     mutable node_clock: Clocks.clock_expr;

     node_inputs: var_decl list;

     node_outputs: var_decl list;

     node_locals: var_decl list;

     mutable node_gencalls: expr list;

     mutable node_checks: Dimension.dim_expr list;

     node_asserts: assert_t list; 

     node_eqs: eq list;

     node_dec_stateless: bool;

     mutable node_stateless: bool option;

     node_spec: LustreSpec.node_annot option;

     node_annot: LustreSpec.expr_annot option;}

type imported_node_desc =

    {nodei_id: ident;

     mutable nodei_type: Types.type_expr;

     mutable nodei_clock: Clocks.clock_expr;

     nodei_inputs: var_decl list;

     nodei_outputs: var_decl list;

     nodei_stateless: bool;

     nodei_spec: LustreSpec.node_annot option;}

(*

type imported_fun_desc =

    {fun_id: ident;

     mutable fun_type: Types.type_expr;

     fun_inputs: var_decl list;

     fun_outputs: var_decl list;

     fun_spec: LustreSpec.node_annot option;}

*)

type const_desc = 

    {const_id: ident; 

     const_loc: Location.t; 

     const_value: constant;      

     mutable const_type: Types.type_expr;

    }

(* type sensor_desc = *)

(*     {sensor_id: ident; *)

(*      sensor_wcet: int} *)

(* type actuator_desc = *)

(*     {actuator_id: ident; *)

(*      actuator_wcet: int} *)

type top_decl_desc =

  | Node of node_desc

  | Consts of const_desc list

  | ImportedNode of imported_node_desc

  (* | ImportedFun of imported_fun_desc *)

  (* | SensorDecl of sensor_desc *)

  (* | ActuatorDecl of actuator_desc *)

  | Open of string

type top_decl =

    {top_decl_desc: top_decl_desc;

     top_decl_loc: Location.t}

type program = top_decl list

type error =

    Main_not_found

  | Main_wrong_kind

  | No_main_specified

  | Unbound_symbol of ident

  | Already_bound_symbol of ident

  | Stateful of ident

exception Error of Location.t * error

val mktyp: Location.t -> type_dec_desc -> type_dec

val mkclock: Location.t -> clock_dec_desc -> clock_dec

val mkvar_decl: Location.t -> ident * type_dec * clock_dec * bool (* is const *) -> var_decl

val var_decl_of_const: const_desc -> var_decl

val mkexpr: Location.t ->  expr_desc -> expr

val mkeq: Location.t -> ident list * expr -> eq

val mkassert: Location.t -> expr -> assert_t

val mktop_decl: Location.t -> top_decl_desc -> top_decl

val mkpredef_call: Location.t -> ident -> expr list -> expr

val mkpredef_unary_call: Location.t -> ident -> expr -> expr

val mk_new_name: var_decl list -> ident -> ident

val node_table : (ident, top_decl) Hashtbl.t

val node_name: top_decl -> ident

val node_inputs: top_decl -> var_decl list

val node_from_name: ident -> top_decl

val is_generic_node: top_decl -> bool

val check_stateless_node: top_decl -> bool

val is_imported_node: top_decl -> bool

val consts_table: (ident, const_desc) Hashtbl.t

val type_table: (type_dec_desc, type_dec_desc) Hashtbl.t

val get_repr_type: type_dec_desc -> type_dec_desc

val is_user_type: type_dec_desc -> bool

val tag_true: label

val tag_false: label

val tag_table: (label, type_dec_desc) Hashtbl.t

val field_table: (label, type_dec_desc) Hashtbl.t

val get_enum_type_tags: type_dec_desc -> label list

val get_struct_type_fields: type_dec_desc -> (label * type_dec_desc) list

val const_of_bool: bool -> constant

val const_is_bool: constant -> bool

val const_negation: constant -> constant

val const_or: constant -> constant -> constant

val const_and: constant -> constant -> constant

val const_xor: constant -> constant -> constant

val const_impl: constant -> constant -> constant

val node_vars: node_desc -> var_decl list

val node_var: ident -> node_desc -> var_decl

val node_eq: ident -> node_desc -> eq

(* val get_const: ident -> constant *)

val sort_handlers : (label * 'a) list -> (label * 'a) list

val is_stateless_expr: expr -> bool

val is_eq_expr: expr -> expr -> bool

val pp_error :  Format.formatter -> error -> unit

(* Caution, returns an untyped, unclocked, etc, expression *)

val expr_of_ident : ident -> Location.t -> expr

val expr_list_of_expr : expr -> expr list

val expr_of_expr_list : Location.t -> expr list -> expr

val call_of_expr: expr -> (ident * expr list * (ident * label) option)

val expr_of_dimension: Dimension.dim_expr -> expr

val dimension_of_expr: expr -> Dimension.dim_expr

val dimension_of_const: Location.t -> constant -> Dimension.dim_expr

(* REMOVED, pushed in utils.ml   val new_tag : unit -> tag *)

val add_internal_funs: unit -> unit

val pp_prog_type : Format.formatter -> program -> unit

val pp_prog_clock : Format.formatter -> program -> unit

val get_nodes : program -> node_desc list

val get_consts : program -> const_desc list

val prog_unfold_consts: program -> program

val expr_replace_var: (ident -> ident) -> expr -> expr

val eq_replace_rhs_var: (ident -> bool) -> (ident -> ident) -> eq -> eq

(** rename_prog f_node f_var f_const prog *)

val rename_prog: (ident -> ident) -> (ident -> ident) -> (ident -> ident) -> program -> program

val update_expr_annot: expr -> LustreSpec.expr_annot -> expr

(* Local Variables: *)

(* compile-command:"make -C .." *)

(* End: *)