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(* ----------------------------------------------------------------------------
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 * SchedMCore - A MultiCore Scheduling Framework
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 * Copyright (C) 2009-2013, ONERA, Toulouse, FRANCE - LIFL, Lille, FRANCE
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 * Copyright (C) 2012-2013, INPT, Toulouse, FRANCE
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 *
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 * This file is part of Prelude
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 *
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 * Prelude is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public License
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 * as published by the Free Software Foundation ; either version 2 of
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 * the License, or (at your option) any later version.
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 *
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 * Prelude is distributed in the hope that it will be useful, but
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 * WITHOUT ANY WARRANTY ; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this program ; if not, write to the Free Software
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 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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 * USA
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 *---------------------------------------------------------------------------- *)
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(* This module is used for the lustre to C compiler *)
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open Format
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open LustreSpec
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open Corelang
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open Machine_code
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(********************************************************************************************)
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(*                     Basic      Printing functions                                        *)
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(********************************************************************************************)
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let print_version fmt =
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  Format.fprintf fmt "/* @[<v>C code generated by %s@,SVN version number %s@,Code is %s compliant */@,@]@."
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    (Filename.basename Sys.executable_name) Version.number (if !Options.ansi then "ANSI C90" else "C99")
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let mk_self m =
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  mk_new_name (m.mstep.step_inputs@m.mstep.step_outputs@m.mstep.step_locals@m.mmemory) "self"
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let mk_call_var_decl loc id =
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  { var_id = id;
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    var_dec_type = mktyp Location.dummy_loc Tydec_any;
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    var_dec_clock = mkclock Location.dummy_loc Ckdec_any;
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    var_dec_const = false;
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    var_type = Type_predef.type_arrow (Types.new_var ()) (Types.new_var ());
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    var_clock = Clocks.new_var true;
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    var_loc = loc }
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(* counter for loop variable creation *)
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let loop_cpt = ref (-1)
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let reset_loop_counter () =
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 loop_cpt := -1
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let mk_loop_var m () =
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  let vars = m.mstep.step_inputs@m.mstep.step_outputs@m.mstep.step_locals@m.mmemory in
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  let rec aux () =
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    incr loop_cpt;
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    let s = Printf.sprintf "__%s_%d" "i" !loop_cpt in
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    if List.exists (fun v -> v.var_id = s) vars then aux () else s
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  in aux ()
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(*
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let addr_cpt = ref (-1)
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let reset_addr_counter () =
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 addr_cpt := -1
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let mk_addr_var m var =
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  let vars = m.mmemory in
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  let rec aux () =
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    incr addr_cpt;
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    let s = Printf.sprintf "%s_%s_%d" var "addr" !addr_cpt in
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    if List.exists (fun v -> v.var_id = s) vars then aux () else s
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  in aux ()
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*)
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let pp_machine_memtype_name fmt id = fprintf fmt "struct %s_mem" id
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let pp_machine_regtype_name fmt id = fprintf fmt "struct %s_reg" id
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let pp_machine_alloc_name fmt id = fprintf fmt "%s_alloc" id
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let pp_machine_static_declare_name fmt id = fprintf fmt "%s_DECLARE" id
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let pp_machine_static_link_name fmt id = fprintf fmt "%s_LINK" id
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let pp_machine_static_alloc_name fmt id = fprintf fmt "%s_ALLOC" id
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let pp_machine_reset_name fmt id = fprintf fmt "%s_reset" id
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let pp_machine_step_name fmt id = fprintf fmt "%s_step" id
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let pp_c_dimension fmt d =
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 fprintf fmt "%a" Dimension.pp_dimension d
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let pp_c_type var fmt t =
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  let rec aux t pp_suffix =
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  match (Types.repr t).Types.tdesc with
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  | Types.Tclock t'       -> aux t' pp_suffix
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  | Types.Tbool           -> fprintf fmt "_Bool %s%a" var pp_suffix ()
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  | Types.Treal           -> fprintf fmt "double %s%a" var pp_suffix ()
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  | Types.Tint            -> fprintf fmt "int %s%a" var pp_suffix ()
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  | Types.Tarray (d, t')  ->
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    let pp_suffix' fmt () = fprintf fmt "%a[%a]" pp_suffix () pp_c_dimension d in
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    aux t' pp_suffix'
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  | Types.Tstatic (_, t') -> fprintf fmt "const "; aux t' pp_suffix
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  | Types.Tconst ty       -> fprintf fmt "%s %s" ty var
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  | Types.Tarrow (_, _)   -> fprintf fmt "void (*%s)()" var
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  | _                     -> eprintf "internal error: pp_c_type %a@." Types.print_ty t; assert false
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  in aux t (fun fmt () -> ())
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let rec pp_c_initialize fmt t = 
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  match (Types.repr t).Types.tdesc with
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  | Types.Tint -> pp_print_string fmt "0"
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  | Types.Tclock t' -> pp_c_initialize fmt t'
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  | Types.Tbool -> pp_print_string fmt "0" 
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  | Types.Treal -> pp_print_string fmt "0."
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  | Types.Tarray (d, t') when Dimension.is_dimension_const d ->
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    fprintf fmt "{%a}"
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      (Utils.fprintf_list ~sep:"," (fun fmt _ -> pp_c_initialize fmt t'))
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      (Utils.duplicate 0 (Dimension.size_const_dimension d))
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  | _ -> assert false
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(* Declaration of an input variable:
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   - if its type is array/matrix/etc, then declare it as a mere pointer,
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     in order to cope with unknown/parametric array dimensions, 
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     as it is the case for generics
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*)
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let pp_c_decl_input_var fmt id =
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  if !Options.ansi && Types.is_array_type id.var_type
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  then pp_c_type (sprintf "(*%s)" id.var_id) fmt (Types.array_base_type id.var_type)
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  else pp_c_type id.var_id fmt id.var_type
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(* Declaration of an output variable:
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   - if its type is scalar, then pass its address
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   - if its type is array/matrix/etc, then declare it as a mere pointer,
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     in order to cope with unknown/parametric array dimensions, 
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     as it is the case for generics
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*)
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let pp_c_decl_output_var fmt id =
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  if (not !Options.ansi) && Types.is_array_type id.var_type
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  then pp_c_type                  id.var_id  fmt id.var_type
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  else pp_c_type (sprintf "(*%s)" id.var_id) fmt (Types.array_base_type id.var_type)
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(* Declaration of a local/mem variable:
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   - if it's an array/matrix/etc, its size(s) should be
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     known in order to statically allocate memory, 
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     so we print the full type
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*)
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let pp_c_decl_local_var fmt id =
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  pp_c_type id.var_id fmt id.var_type
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let pp_c_decl_array_mem self fmt id =
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  fprintf fmt "%a = (%a) (%s->_reg.%s)"
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    (pp_c_type (sprintf "(*%s)" id.var_id)) id.var_type
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    (pp_c_type "(*)") id.var_type
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    self
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    id.var_id
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(* Declaration of a struct variable:
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   - if it's an array/matrix/etc, we declare it as a pointer
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*)
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let pp_c_decl_struct_var fmt id =
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  if Types.is_array_type id.var_type
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  then pp_c_type (sprintf "(*%s)" id.var_id) fmt (Types.array_base_type id.var_type)
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  else pp_c_type                  id.var_id  fmt id.var_type
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(* Access to the value of a variable:
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   - if it's not a scalar output, then its name is enough
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   - otherwise, dereference it (it has been declared as a pointer,
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     despite its scalar Lustre type)
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   - moreover, cast arrays variables into their original array type.
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*)
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let pp_c_var_read m fmt id =
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  if Types.is_array_type id.var_type
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  then
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    fprintf fmt "%s" id.var_id
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  else
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    if List.exists (fun o -> o.var_id = id.var_id) m.mstep.step_outputs (* id is output *)
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    then fprintf fmt "*%s" id.var_id
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    else fprintf fmt "%s" id.var_id
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(* Addressable value of a variable, the one that is passed around in calls:
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   - if it's not a scalar non-output, then its name is enough
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   - otherwise, reference it (it must be passed as a pointer,
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     despite its scalar Lustre type)
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*)
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let pp_c_var_write m fmt id =
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  if Types.is_array_type id.var_type
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  then
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    fprintf fmt "%s" id.var_id
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  else
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    if List.exists (fun o -> o.var_id = id.var_id) m.mstep.step_outputs (* id is output *)
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    then
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      fprintf fmt "%s" id.var_id
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    else
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      fprintf fmt "&%s" id.var_id
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let pp_c_decl_instance_var fmt (name, (node, static)) = 
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  fprintf fmt "%a *%s" pp_machine_memtype_name (node_name node) name
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let pp_c_tag fmt t =
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 pp_print_string fmt (if t = tag_true then "1" else if t = tag_false then "0" else t)
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(* Prints a constant value *)
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let rec pp_c_const fmt c =
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  match c with
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    | Const_int i    -> pp_print_int fmt i
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    | Const_real r   -> pp_print_string fmt r
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    | Const_float r  -> pp_print_float fmt r
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    | Const_tag t    -> pp_c_tag fmt t
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    | Const_array ca -> fprintf fmt "{%a}" (Utils.fprintf_list ~sep:"," pp_c_const) ca
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(* Prints a value expression [v], with internal function calls only.
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   [pp_var] is a printer for variables (typically [pp_c_var_read]),
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   but an offset suffix may be added for array variables
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*)
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let rec pp_c_val self pp_var fmt v =
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  match v with
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    | Cst c         -> pp_c_const fmt c
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    | Array vl      -> fprintf fmt "{%a}" (Utils.fprintf_list ~sep:", " (pp_c_val self pp_var)) vl
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    | Access (t, i) -> fprintf fmt "%a[%a]" (pp_c_val self pp_var) t (pp_c_val self pp_var) i
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    | Power (v, n)  -> assert false
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    | LocalVar v    -> pp_var fmt v
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    | StateVar v    ->
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      if Types.is_array_type v.var_type
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      then fprintf fmt "*%a" pp_var v
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      else fprintf fmt "%s->_reg.%a" self pp_var v
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    | Fun (n, vl)   -> Basic_library.pp_c n (pp_c_val self pp_var) fmt vl
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let pp_c_checks self fmt m =
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  Utils.fprintf_list ~sep:"" (fun fmt (loc, check) -> fprintf fmt "@[<v>%a@,assert (%a);@]@," Location.pp_c_loc loc (pp_c_val self (pp_c_var_read m)) check) fmt m.mstep.step_checks
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(********************************************************************************************)
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(*                    Instruction Printing functions                                        *)
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(********************************************************************************************)
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(* Computes the depth to which multi-dimension array assignments should be expanded.
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   It equals the maximum number of nested static array constructions accessible from root [v].
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*)
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let rec expansion_depth v =
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 match v with
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 | Cst (Const_array cl) -> 1 + List.fold_right (fun c -> max (expansion_depth (Cst c))) cl 0
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 | Cst _
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 | LocalVar _
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 | StateVar _  -> 0
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 | Fun (_, vl) -> List.fold_right (fun v -> max (expansion_depth v)) vl 0
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 | Array vl    -> 1 + List.fold_right (fun v -> max (expansion_depth v)) vl 0
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 | Access (v, i) -> max 0 (expansion_depth v - 1)
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 | Power (v, n)  -> 0 (*1 + expansion_depth v*)
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type loop_index = LVar of ident | LInt of int ref
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(* Computes the list of nested loop variables together with their dimension bounds.
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   - LInt r stands for loop expansion (no loop variable, but int loop index)
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   - LVar v stands for loop variable v
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*)
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let rec mk_loop_variables m ty depth =
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 match (Types.repr ty).Types.tdesc, depth with
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 | Types.Tarray (d, ty'), 0       ->
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   let v = mk_loop_var m () in
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   (d, LVar v) :: mk_loop_variables m ty' 0
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 | Types.Tarray (d, ty'), _       ->
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   let r = ref (-1) in
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   (d, LInt r) :: mk_loop_variables m ty' (depth - 1)
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 | _                    , 0       -> []
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 | _                              -> assert false
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let reorder_loop_variables loop_vars =
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  let (int_loops, var_loops) = List.partition (function (d, LInt _) -> true | _ -> false) loop_vars in
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  var_loops @ int_loops
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(* Prints a one loop variable suffix for arrays *)
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let pp_loop_var fmt lv =
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 match snd lv with
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 | LVar v -> fprintf fmt "[%s]" v
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 | LInt r -> fprintf fmt "[%d]" !r
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(* Prints a suffix of loop variables for arrays *)
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let pp_suffix fmt loop_vars =
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 Utils.fprintf_list ~sep:"" pp_loop_var fmt loop_vars
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(* Prints a [value] indexed by the suffix list [loop_vars] *)
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let rec pp_value_suffix self loop_vars pp_value fmt value =
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 match loop_vars, value with
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 | (_, LInt r) :: q, Array vl     ->
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   pp_value_suffix self q pp_value fmt (List.nth vl !r)
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 | _           :: q, Power (v, n) ->
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   pp_value_suffix self loop_vars pp_value fmt v
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 | _               , Fun (n, vl)  ->
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   Basic_library.pp_c n (pp_value_suffix self loop_vars pp_value) fmt vl
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 | _               , _            ->
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   let pp_var_suffix fmt v = fprintf fmt "%a%a" pp_value v pp_suffix loop_vars in
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   pp_c_val self pp_var_suffix fmt value
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(* type_directed assignment: array vs. statically sized type
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   - [var_type]: type of variable to be assigned
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   - [var_name]: name of variable to be assigned
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   - [value]: assigned value
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   - [pp_var]: printer for variables
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*)
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let pp_assign m self pp_var fmt var_type var_name value =
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  let depth = expansion_depth value in
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(*eprintf "pp_assign %a %a %d@." Types.print_ty var_type pp_val value depth;*)
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  let loop_vars = mk_loop_variables m var_type depth in
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  let reordered_loop_vars = reorder_loop_variables loop_vars in
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  let rec aux fmt vars =
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    match vars with
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    | [] ->
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      fprintf fmt "%a = %a;" (pp_value_suffix self loop_vars pp_var) var_name (pp_value_suffix self loop_vars pp_var) value
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    | (d, LVar i) :: q ->
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(*eprintf "pp_aux %a %s@." Dimension.pp_dimension d i;*)
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      fprintf fmt "@[<v 2>{@,int %s;@,for(%s=0;%s<%a;%s++)@,%a @]@,}"
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	i i i Dimension.pp_dimension d i
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	aux q
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    | (d, LInt r) :: q ->
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(*eprintf "pp_aux %a %d@." Dimension.pp_dimension d (!r);*)
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      let szl = Utils.enumerate (Dimension.size_const_dimension d) in
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      fprintf fmt "@[<v 2>{@,%a@]@,}"
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	(Utils.fprintf_list ~sep:"@," (fun fmt i -> r := i; aux fmt q)) szl
316
  in
317
  begin
318
    reset_loop_counter ();
319
    (*reset_addr_counter ();*)
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    aux fmt reordered_loop_vars
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  end
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let pp_instance_call m self fmt i (inputs: value_t list) (outputs: var_decl list) =
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 try (* stateful node instance *)
325
   let (n,_) = List.assoc i m.minstances in
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   fprintf fmt "%s_step (%a%t%a%t%s->%s);"
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     (node_name n)
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     (Utils.fprintf_list ~sep:", " (pp_c_val self (pp_c_var_read m))) inputs
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     (Utils.pp_final_char_if_non_empty ", " inputs) 
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     (Utils.fprintf_list ~sep:", " (pp_c_var_write m)) outputs
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     (Utils.pp_final_char_if_non_empty ", " outputs)
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     self
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     i
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 with Not_found -> (* stateless node instance *)
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   let (n,_) = List.assoc i m.mcalls in
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   fprintf fmt "%s (%a%t%a);"
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     (node_name n)
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     (Utils.fprintf_list ~sep:", " (pp_c_val self (pp_c_var_read m))) inputs
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     (Utils.pp_final_char_if_non_empty ", " inputs) 
340
     (Utils.fprintf_list ~sep:", " (pp_c_var_write m)) outputs 
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let pp_machine_reset (m: machine_t) self fmt inst =
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  let (node, static) = List.assoc inst m.minstances in
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  fprintf fmt "%a(%a%t%s->%s);"
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    pp_machine_reset_name (node_name node)
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    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
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    (Utils.pp_final_char_if_non_empty ", " static)
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    self inst
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let rec pp_conditional (m: machine_t) self fmt c tl el =
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  fprintf fmt "@[<v 2>if (%a) {%t%a@]@,@[<v 2>} else {%t%a@]@,}"
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    (pp_c_val self (pp_c_var_read m)) c
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    (Utils.pp_newline_if_non_empty tl)
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    (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) tl
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    (Utils.pp_newline_if_non_empty el)
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    (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) el
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and pp_machine_instr (m: machine_t) self fmt instr =
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  match instr with 
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  | MReset i ->
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    pp_machine_reset m self fmt i
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  | MLocalAssign (i,v) ->
363
    pp_assign
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      m self (pp_c_var_read m) fmt
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      i.var_type (LocalVar i) v
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  | MStateAssign (i,v) ->
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    pp_assign
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      m self (pp_c_var_read m) fmt
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      i.var_type (StateVar i) v
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  | MStep ([i0], i, vl) when Basic_library.is_internal_fun i  ->
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    pp_machine_instr m self fmt (MLocalAssign (i0, Fun (i, vl)))
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  | MStep (il, i, vl) ->
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    pp_instance_call m self fmt i vl il
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  | MBranch (g,hl) ->
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    if hl <> [] && let t = fst (List.hd hl) in t = tag_true || t = tag_false
376
    then (* boolean case, needs special treatment in C because truth value is not unique *)
377
	 (* may disappear if we optimize code by replacing last branch test with default *)
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      let tl = try List.assoc tag_true  hl with Not_found -> [] in
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      let el = try List.assoc tag_false hl with Not_found -> [] in
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      pp_conditional m self fmt g tl el
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    else (* enum type case *)
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      fprintf fmt "@[<v 2>switch(%a) {@,%a@,}@]"
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	(pp_c_val self (pp_c_var_read m)) g
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	(Utils.fprintf_list ~sep:"@," (pp_machine_branch m self)) hl
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and pp_machine_branch m self fmt (t, h) =
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  fprintf fmt "@[<v 2>case %a:@,%a@,break;@]" pp_c_tag t (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) h
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(**************************************************************************)
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(*     Printing spec for c *)
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(**************************************************************************)
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let pp_econst fmt c = 
397
  match c with
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    | EConst_int i -> pp_print_int fmt i
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    | EConst_real r -> pp_print_string fmt r
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    | EConst_float r -> pp_print_float fmt r
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    | EConst_bool b -> pp_print_bool fmt b
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    | EConst_string s -> pp_print_string fmt ("\"" ^ s ^ "\"")
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let rec pp_eexpr is_output fmt eexpr = 
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  let pp_eexpr = pp_eexpr is_output in
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  match eexpr.eexpr_desc with
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    | EExpr_const c -> pp_econst fmt c
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    | EExpr_ident id -> 
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      if is_output id then pp_print_string fmt ("*" ^ id) else pp_print_string fmt id
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    | EExpr_tuple el -> Utils.fprintf_list ~sep:"," pp_eexpr fmt el
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    | EExpr_arrow (e1, e2) -> fprintf fmt "%a -> %a" pp_eexpr e1 pp_eexpr e2
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    | EExpr_fby (e1, e2) -> fprintf fmt "%a fby %a" pp_eexpr e1 pp_eexpr e2
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    (* | EExpr_concat (e1, e2) -> fprintf fmt "%a::%a" pp_eexpr e1 pp_eexpr e2 *)
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    (* | EExpr_tail e -> fprintf fmt "tail %a" pp_eexpr e *)
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    | EExpr_pre e -> fprintf fmt "pre %a" pp_eexpr e
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    | EExpr_when (e, id) -> fprintf fmt "%a when %s" pp_eexpr e id
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    | EExpr_merge (id, e1, e2) -> 
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      fprintf fmt "merge (%s, %a, %a)" id pp_eexpr e1 pp_eexpr e2
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    | EExpr_appl (id, e, r) -> pp_eapp is_output fmt id e r
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    | EExpr_forall (vars, e) -> fprintf fmt "forall %a; %a" Printers.pp_node_args vars pp_eexpr e 
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    | EExpr_exists (vars, e) -> fprintf fmt "exists %a; %a" Printers.pp_node_args vars pp_eexpr e 
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    (* | EExpr_whennot _ *)
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    (* | EExpr_uclock _ *)
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    (* | EExpr_dclock _ *)
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    (* | EExpr_phclock _ -> assert false *)
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and pp_eapp is_output fmt id e r =
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  let pp_eexpr = pp_eexpr is_output in
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  match r with
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  | None ->
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    (match id, e.eexpr_desc with
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    | "+", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a + %a)" pp_eexpr e1 pp_eexpr e2
434
    | "uminus", _ -> fprintf fmt "(- %a)" pp_eexpr e
435
    | "-", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a - %a)" pp_eexpr e1 pp_eexpr e2
436
    | "*", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a * %a)" pp_eexpr e1 pp_eexpr e2
437
    | "/", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a / %a)" pp_eexpr e1 pp_eexpr e2
438
    | "mod", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a mod %a)" pp_eexpr e1 pp_eexpr e2
439
    | "&&", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a && %a)" pp_eexpr e1 pp_eexpr e2
440
    | "||", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a || %a)" pp_eexpr e1 pp_eexpr e2
441
    | "xor", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a ^^ %a)" pp_eexpr e1 pp_eexpr e2
442
    | "impl", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a ==> %a)" pp_eexpr e1 pp_eexpr e2
443
    | "<", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a < %a)" pp_eexpr e1 pp_eexpr e2
444
    | "<=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a <= %a)" pp_eexpr e1 pp_eexpr e2
445
    | ">", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a > %a)" pp_eexpr e1 pp_eexpr e2
446
    | ">=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a >= %a)" pp_eexpr e1 pp_eexpr e2
447
    | "!=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a != %a)" pp_eexpr e1 pp_eexpr e2
448
    | "=", EExpr_tuple([e1;e2]) -> fprintf fmt "(%a == %a)" pp_eexpr e1 pp_eexpr e2
449
    | "not", _ -> fprintf fmt "(! %a)" pp_eexpr e
450
    | "ite", EExpr_tuple([e1;e2;e3]) -> fprintf fmt "(if %a then %a else %a)" pp_eexpr e1 pp_eexpr e2 pp_eexpr e3
451
    | _ -> fprintf fmt "%s (%a)" id pp_eexpr e)
452
  | Some x -> fprintf fmt "%s (%a) every %s" id pp_eexpr e x 
453
454
let pp_ensures is_output fmt e =
455
  match e with
456
    | EnsuresExpr e -> fprintf fmt "ensures %a;@ " (pp_eexpr is_output) e
457
    | SpecObserverNode (name, args) -> fprintf fmt "observer %s (%a);@ " name (Utils.fprintf_list ~sep:", " (pp_eexpr is_output)) args
458
459
let pp_acsl_spec outputs fmt spec =
460
  let is_output = fun oid -> List.exists (fun v -> v.var_id = oid) outputs in
461
  let pp_eexpr = pp_eexpr is_output in
462
  fprintf fmt "@[<v 2>/*@@ ";
463
  Utils.fprintf_list ~sep:"" (fun fmt r -> fprintf fmt "requires %a;@ " pp_eexpr r) fmt spec.requires;
464
  Utils.fprintf_list ~sep:"" (pp_ensures is_output) fmt spec.ensures;
465
  fprintf fmt "@ ";
466
  (* fprintf fmt "assigns *self%t%a;@ "  *)
467
  (*   (fun fmt -> if List.length outputs > 0 then fprintf fmt ", ") *)
468
  (*   (fprintf_list ~sep:"," (fun fmt v -> fprintf fmt "*%s" v.var_id)) outputs; *)
469
  Utils.fprintf_list ~sep:"@ " (fun fmt (name, assumes, requires) -> 
470
    fprintf fmt "behavior %s:@[@ %a@ %a@]" 
471
      name
472
      (Utils.fprintf_list ~sep:"@ " (fun fmt r -> fprintf fmt "assumes %a;" pp_eexpr r)) assumes
473
      (Utils.fprintf_list ~sep:"@ " (pp_ensures is_output)) requires
474
  ) fmt spec.behaviors;
475
  fprintf fmt "@]@ */@.";
476
  ()
477 22fe1c93 ploc
478
(********************************************************************************************)
479
(*                      Prototype Printing functions                                        *)
480
(********************************************************************************************)
481
482
let print_alloc_prototype fmt (name, static) =
483
  fprintf fmt "%a * %a (%a)"
484
    pp_machine_memtype_name name
485
    pp_machine_alloc_name name
486
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_input_var) static
487
488
let print_reset_prototype self fmt (name, static) =
489
  fprintf fmt "void %a (@[<v>%a%t%a *%s@])"
490
    pp_machine_reset_name name
491
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_input_var) static
492
    (Utils.pp_final_char_if_non_empty ",@," static) 
493
    pp_machine_memtype_name name
494
    self
495
496
let print_stateless_prototype fmt (name, inputs, outputs) =
497
match outputs with
498
(* DOESN'T WORK FOR ARRAYS
499
  | [o] -> fprintf fmt "%a (@[<v>%a@])"
500
    (pp_c_type name) o.var_type
501
    (Utils.fprintf_list ~sep:",@ " pp_c_var) inputs
502
*)  
503
  | _ -> fprintf fmt "void %s (@[<v>@[%a%t@]@,@[%a@]@,@])"
504
    name
505
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_input_var) inputs
506
    (Utils.pp_final_char_if_non_empty ",@ " inputs) 
507
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_output_var) outputs
508
509
let print_step_prototype self fmt (name, inputs, outputs) =
510
  fprintf fmt "void %a (@[<v>@[%a%t@]@,@[%a@]%t@[%a *%s@]@])"
511
    pp_machine_step_name name
512
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_input_var) inputs
513
    (Utils.pp_final_char_if_non_empty ",@ " inputs) 
514
    (Utils.fprintf_list ~sep:",@ " pp_c_decl_output_var) outputs
515
    (Utils.pp_final_char_if_non_empty ",@," outputs) 
516
    pp_machine_memtype_name name
517
    self
518
519
(********************************************************************************************)
520
(*                         Header Printing functions                                        *)
521
(********************************************************************************************)
522
523 5c1184ad ploc
(* Removed because of "open" constructs. No more extern functions *)
524
(*
525 22fe1c93 ploc
let print_prototype fmt decl =
526
  match decl.top_decl_desc with
527
    | ImportedFun m -> (
528
        fprintf fmt "extern %a;@,"
529
	  print_stateless_prototype 
530
	  (m.fun_id, m.fun_inputs, m.fun_outputs)
531
    )
532
    | ImportedNode m -> (
533
      if m.nodei_stateless then (* It's a function not a node *)
534
        fprintf fmt "extern %a;@,"
535
	  print_stateless_prototype 
536
	  (m.nodei_id, m.nodei_inputs, m.nodei_outputs)
537
      else (
538
	let static = List.filter (fun v -> v.var_dec_const) m.nodei_inputs in
539
        fprintf fmt "extern %a;@,"
540
	  print_alloc_prototype (m.nodei_id, static);
541
	fprintf fmt "extern %a;@,"
542
	  (print_reset_prototype "self") (m.nodei_id, static);
543
	fprintf fmt "extern %a;@,"
544
	  (print_step_prototype "self") (m.nodei_id, m.nodei_inputs, m.nodei_outputs);
545
      )
546
    )
547
    | _ -> () (* We don't do anything here *)
548 5c1184ad ploc
      *)
549 22fe1c93 ploc
550 5c1184ad ploc
let print_prototype fmt decl =
551
  match decl.top_decl_desc with
552
  | Open m -> fprintf fmt "#include \"%s.h\"@," m
553
  | _ -> () (* We don't do anything here *)
554
    
555 22fe1c93 ploc
let pp_registers_struct fmt m =
556
  if m.mmemory <> []
557
  then
558
    fprintf fmt "@[%a {@[%a; @]}@] _reg; "
559
      pp_machine_regtype_name m.mname.node_id
560
      (Utils.fprintf_list ~sep:"; " pp_c_decl_struct_var) m.mmemory
561
  else
562
    ()
563
564
let print_machine_struct fmt m =
565
  (* Define struct *)
566
  fprintf fmt "@[%a {@[%a%a%t@]};@]@."
567
    pp_machine_memtype_name m.mname.node_id
568
    pp_registers_struct m
569
    (Utils.fprintf_list ~sep:"; " pp_c_decl_instance_var) m.minstances
570 7291cb80 xthirioux
    (Utils.pp_final_char_if_non_empty "; " m.minstances)
571
572 22fe1c93 ploc
(*
573
let pp_static_array_instance fmt m (v, m) =
574
 fprintf fmt "%s" (mk_addr_var m v)
575
*)
576
let print_static_declare_instance fmt (i, (m, static)) =
577
  fprintf fmt "%a(%a%t%s)"
578
    pp_machine_static_declare_name (node_name m)
579
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
580
    (Utils.pp_final_char_if_non_empty ", " static)
581
    i
582
583
let print_static_declare_macro fmt m =
584
  let array_mem = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
585
  fprintf fmt "@[<v 2>#define %a(%a%tinst)\\@,%a inst;\\@,%a%t%a;@,@]"
586
    pp_machine_static_declare_name m.mname.node_id
587
    (Utils.fprintf_list ~sep:", " (pp_c_var_read m)) m.mstatic
588
    (Utils.pp_final_char_if_non_empty ", " m.mstatic)
589
    pp_machine_memtype_name m.mname.node_id
590
    (Utils.fprintf_list ~sep:";\\@," pp_c_decl_local_var) array_mem
591
    (Utils.pp_final_char_if_non_empty ";\\@," array_mem)
592
    (Utils.fprintf_list ~sep:";\\@,"
593
       (fun fmt (i',m') ->
594
	 let path = sprintf "inst ## _%s" i' in
595
	 fprintf fmt "%a"
596
	   print_static_declare_instance (path,m')
597
       )) m.minstances
598
599
      
600
let print_static_link_instance fmt (i, (m, _)) =
601
 fprintf fmt "%a(%s)" pp_machine_static_link_name (node_name m) i
602
603
let print_static_link_macro fmt m =
604
  let array_mem = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
605
  fprintf fmt "@[<v>@[<v 2>#define %a(inst) do {\\@,%a%t%a;\\@]@,} while (0)@.@]"
606
    pp_machine_static_link_name m.mname.node_id
607
    (Utils.fprintf_list ~sep:";\\@,"
608
       (fun fmt v ->
609
	 fprintf fmt "inst.%s = &%s"
610
	   v.var_id
611
	   v.var_id
612
       )) array_mem
613
    (Utils.pp_final_char_if_non_empty ";\\@," array_mem)
614
    (Utils.fprintf_list ~sep:";\\@,"
615
       (fun fmt (i',m') ->
616
	 let path = sprintf "inst ## _%s" i' in
617
	 fprintf fmt "%a;\\@,inst.%s = &%s"
618
	   print_static_link_instance (path,m')
619
	   i'
620
	   path
621
       )) m.minstances
622
      
623
let print_static_alloc_macro fmt m =
624
  fprintf fmt "@[<v>@[<v 2>#define %a(%a%tinst)\\@,%a(%a%tinst);\\@,%a(inst);@]@,@]@."
625
    pp_machine_static_alloc_name m.mname.node_id
626
    (Utils.fprintf_list ~sep:", " (pp_c_var_read m)) m.mstatic
627
    (Utils.pp_final_char_if_non_empty ", " m.mstatic)
628
    pp_machine_static_declare_name m.mname.node_id
629
    (Utils.fprintf_list ~sep:", " (pp_c_var_read m)) m.mstatic
630
    (Utils.pp_final_char_if_non_empty ", " m.mstatic)
631
    pp_machine_static_link_name m.mname.node_id
632
633
let print_machine_decl fmt m =
634
  (* Static allocation *)
635
  if !Options.static_mem then (
636
  fprintf fmt "%a@.%a@.%a@."
637
    print_static_declare_macro m
638
    print_static_link_macro m
639
    print_static_alloc_macro m;
640
  )
641
  else ( 
642
    (* Dynamic allocation *)
643
    fprintf fmt "extern %a;@.@."
644
      print_alloc_prototype (m.mname.node_id, m.mstatic);
645
  );
646
  if m.mname.node_id = arrow_id then (
647
  (* Arrow will be defined by a #define macro because of polymorphism *)
648
    fprintf fmt "#define _arrow_step(x,y,output,self) ((self)->_reg._first?((self)->_reg._first=0,(*output = x)):(*output = y))@.@.";
649
    fprintf fmt "#define _arrow_reset(self) {(self)->_reg._first = 1;}@.@."
650
  )
651
  else (
652
    let self = mk_self m in
653
    fprintf fmt "extern %a;@.@."
654
      (print_reset_prototype self) (m.mname.node_id, m.mstatic);
655
    (* Print specification if any *)
656
    (match m.mspec with
657
      | None -> ()
658
      | Some spec -> 
659 e2380d4d ploc
	pp_acsl_spec m.mstep.step_outputs fmt spec
660 22fe1c93 ploc
    );
661
    fprintf fmt "extern %a;@.@."
662
      (print_step_prototype self)
663
      (m.mname.node_id, m.mstep.step_inputs, m.mstep.step_outputs)
664
  )
665
666
667
(********************************************************************************************)
668
(*                         C file Printing functions                                        *)
669
(********************************************************************************************)
670
671 e772c6ef enoulard
let print_const_def fmt cdecl =
672 22fe1c93 ploc
  fprintf fmt "%a = %a;@." (pp_c_type cdecl.const_id) cdecl.const_type pp_c_const cdecl.const_value 
673
674 e772c6ef enoulard
let print_const_decl fmt cdecl =
675
  fprintf fmt "extern %a;@." (pp_c_type cdecl.const_id) cdecl.const_type
676
677 22fe1c93 ploc
let print_alloc_instance fmt (i, (m, static)) =
678
  fprintf fmt "_alloc->%s = %a (%a);@,"
679
    i
680
    pp_machine_alloc_name (node_name m)
681
    (Utils.fprintf_list ~sep:", " Dimension.pp_dimension) static
682
683
let print_alloc_array fmt vdecl =
684
  let base_type = Types.array_base_type vdecl.var_type in
685
  let size_types = Types.array_type_multi_dimension vdecl.var_type in
686
  let size_type = Dimension.multi_dimension_product vdecl.var_loc size_types in
687
  fprintf fmt "_alloc->%s = (%a*) malloc((%a)*sizeof(%a));@,assert(_alloc->%s);@,"
688
    vdecl.var_id
689
    (pp_c_type "") base_type
690
    Dimension.pp_dimension size_type
691
    (pp_c_type "") base_type
692
    vdecl.var_id
693
694
let print_alloc_code fmt m =
695
  let array_mem = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
696
  fprintf fmt "%a *_alloc;@,_alloc = (%a *) malloc(sizeof(%a));@,assert(_alloc);@,%a%areturn _alloc;"
697
    pp_machine_memtype_name m.mname.node_id
698
    pp_machine_memtype_name m.mname.node_id
699
    pp_machine_memtype_name m.mname.node_id
700
    (Utils.fprintf_list ~sep:"" print_alloc_array) array_mem
701
    (Utils.fprintf_list ~sep:"" print_alloc_instance) m.minstances
702
703
let print_step_code fmt m self =
704
  if not (!Options.ansi && is_generic_node { top_decl_desc = Node m.mname; top_decl_loc = Location.dummy_loc })
705
  then
706
    (* C99 code *)
707
    let array_mems = List.filter (fun v -> Types.is_array_type v.var_type) m.mmemory in
708
    fprintf fmt "@[<v 2>%a {@,%a%t%a%t@,%a%a%t%t@]@,}@.@."
709
      (print_step_prototype self) (m.mname.node_id, m.mstep.step_inputs, m.mstep.step_outputs)
710
      (* locals *)
711
      (Utils.fprintf_list ~sep:";@," pp_c_decl_local_var) m.mstep.step_locals
712
      (Utils.pp_final_char_if_non_empty ";@," m.mstep.step_locals)
713
      (* array mems *)
714
      (Utils.fprintf_list ~sep:";@," (pp_c_decl_array_mem self)) array_mems
715
      (Utils.pp_final_char_if_non_empty ";@," array_mems)
716
      (* check assertions *)
717
      (pp_c_checks self) m
718
      (* instrs *)
719
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) m.mstep.step_instrs
720
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
721
      (fun fmt -> fprintf fmt "return;")
722
  else
723
    (* C90 code *)
724
    let (gen_locals, base_locals) = List.partition (fun v -> Types.is_generic_type v.var_type) m.mstep.step_locals in
725
    let gen_calls = List.map (fun e -> let (id, _, _) = call_of_expr e in mk_call_var_decl e.expr_loc id) m.mname.node_gencalls in
726
    fprintf fmt "@[<v 2>%a {@,%a%t@,%a%a%t%t@]@,}@.@."
727
      (print_step_prototype self) (m.mname.node_id, (m.mstep.step_inputs@gen_locals@gen_calls), m.mstep.step_outputs)
728
      (* locals *)
729
      (Utils.fprintf_list ~sep:";@," pp_c_decl_local_var) base_locals
730
      (Utils.pp_final_char_if_non_empty ";" base_locals)
731
      (* check assertions *)
732
      (pp_c_checks self) m
733
      (* instrs *)
734
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) m.mstep.step_instrs
735
      (Utils.pp_newline_if_non_empty m.mstep.step_instrs)
736
      (fun fmt -> fprintf fmt "return;")
737
738
let print_machine fmt m =
739
  (* Alloc function, only if non static mode *)
740
  if (not !Options.static_mem) then  
741
    (
742
      fprintf fmt "@[<v 2>%a {@,%a@]@,}@.@."
743
	print_alloc_prototype (m.mname.node_id, m.mstatic)
744
	print_alloc_code m;
745
    );
746
  if m.mname.node_id = arrow_id then () else ( (* We don't print arrow function *)
747
    let self = mk_self m in
748
    (* Reset function *)
749
    fprintf fmt "@[<v 2>%a {@,%a%treturn;@]@,}@.@."
750
      (print_reset_prototype self) (m.mname.node_id, m.mstatic)
751
      (Utils.fprintf_list ~sep:"@," (pp_machine_instr m self)) m.minit
752
      (Utils.pp_newline_if_non_empty m.minit);
753
    (* Step function *)
754
    print_step_code fmt m self
755
  )
756
757
(********************************************************************************************)
758
(*                         Main related functions                                           *)
759
(********************************************************************************************)
760
761
let print_get_input fmt v =
762
  match v.var_type.Types.tdesc with
763
    | Types.Tint -> fprintf fmt "_get_int(\"%s\")" v.var_id
764
    | Types.Tbool -> fprintf fmt "_get_bool(\"%s\")" v.var_id
765
    | Types.Treal -> fprintf fmt "_get_double(\"%s\")" v.var_id
766
    | _ -> assert false
767
768
let print_put_outputs fmt ol = 
769
  let po fmt o =
770
    match o.var_type.Types.tdesc with
771
    | Types.Tint -> fprintf fmt "_put_int(\"%s\", %s)" o.var_id o.var_id
772
    | Types.Tbool -> fprintf fmt "_put_bool(\"%s\", %s)" o.var_id o.var_id
773
    | Types.Treal -> fprintf fmt "_put_double(\"%s\", %s)" o.var_id o.var_id
774
    | _ -> assert false
775
  in
776
  List.iter (fprintf fmt "@ %a;" po) ol
777
778
let print_main_fun machines m fmt =
779
  let mname = m.mname.node_id in
780
  let main_mem =
781
    if (!Options.static_mem && !Options.main_node <> "")
782
    then "&main_mem"
783
    else "main_mem" in
784
  fprintf fmt "@[<v 2>int main (int argc, char *argv[]) {@ ";
785
  fprintf fmt "/* Declaration of inputs/outputs variables */@ ";
786
  List.iter 
787
    (fun v -> fprintf fmt "%a = %a;@ " (pp_c_type v.var_id) v.var_type pp_c_initialize v.var_type
788
    ) m.mstep.step_inputs;
789
  List.iter 
790
    (fun v -> fprintf fmt "%a = %a;@ " (pp_c_type v.var_id) v.var_type pp_c_initialize v.var_type
791
    ) m.mstep.step_outputs;
792
  fprintf fmt "@ /* Main memory allocation */@ ";
793
  if (!Options.static_mem && !Options.main_node <> "")
794
  then (fprintf fmt "%a(main_mem);@ " pp_machine_static_alloc_name mname)
795
  else (fprintf fmt "%a *main_mem = %a();@ " pp_machine_memtype_name mname pp_machine_alloc_name mname);
796
  fprintf fmt "@ /* Initialize the main memory */@ ";
797
  fprintf fmt "%a(%s);@ " pp_machine_reset_name mname main_mem;
798
  fprintf fmt "@ ISATTY = isatty(0);@ ";
799
  fprintf fmt "@ /* Infinite loop */@ ";
800
  fprintf fmt "@[<v 2>while(1){@ ";
801
  fprintf fmt  "fflush(stdout);@ ";
802
  List.iter 
803
    (fun v -> fprintf fmt "%s = %a;@ "
804
      v.var_id
805
      print_get_input v
806
    ) m.mstep.step_inputs;
807
  (match m.mstep.step_outputs with
808
    (* | [] -> ( *)
809
    (*   fprintf fmt "%a(%a%t%s);@ "  *)
810
    (* 	pp_machine_step_name mname *)
811
    (* 	(Utils.fprintf_list ~sep:", " (fun fmt v -> pp_print_string fmt v.var_id)) m.mstep.step_inputs *)
812
    (* 	(pp_final_char_if_non_empty ", " m.mstep.step_inputs) *)
813
    (* 	main_mem *)
814
    (* ) *)
815
    (* | [o] -> ( *)
816
    (*   fprintf fmt "%s = %a(%a%t%a, %s);%a" *)
817
    (* 	o.var_id *)
818
    (* 	pp_machine_step_name mname *)
819
    (* 	(Utils.fprintf_list ~sep:", " (fun fmt v -> pp_print_string fmt v.var_id)) m.mstep.step_inputs *)
820
    (* 	(pp_final_char_if_non_empty ", " m.mstep.step_inputs) *)
821
    (* 	(Utils.fprintf_list ~sep:", " (fun fmt v -> fprintf fmt "&%s" v.var_id)) m.mstep.step_outputs *)
822
    (* 	main_mem *)
823
    (* 	print_put_outputs [o]) *)
824
    | _ -> (
825
      fprintf fmt "%a(%a%t%a, %s);%a"
826
	pp_machine_step_name mname
827
	(Utils.fprintf_list ~sep:", " (fun fmt v -> pp_print_string fmt v.var_id)) m.mstep.step_inputs
828
	(Utils.pp_final_char_if_non_empty ", " m.mstep.step_inputs)
829
	(Utils.fprintf_list ~sep:", " (fun fmt v -> fprintf fmt "&%s" v.var_id)) m.mstep.step_outputs
830
	main_mem
831
	print_put_outputs m.mstep.step_outputs)
832
  );
833
  fprintf fmt "@]@ }@ ";
834
  fprintf fmt "return 1;";
835
  fprintf fmt "@]@ }@."       
836
837
let print_main_header fmt =
838
  fprintf fmt "#include <stdio.h>@.#include <unistd.h>@.#include \"io_frontend.h\"@."
839
840
let rec pp_c_type_decl cpt var fmt tdecl =
841
  match tdecl with
842
  | Tydec_any           -> assert false
843
  | Tydec_int           -> fprintf fmt "int %s" var
844
  | Tydec_real          -> fprintf fmt "double %s" var
845
  | Tydec_float         -> fprintf fmt "float %s" var
846
  | Tydec_bool          -> fprintf fmt "_Bool %s" var
847
  | Tydec_clock ty      -> pp_c_type_decl cpt var fmt ty
848
  | Tydec_const c       -> fprintf fmt "%s %s" c var
849
  | Tydec_array (d, ty) -> fprintf fmt "%a[%a]" (pp_c_type_decl cpt var) ty pp_c_dimension d
850
  | Tydec_enum tl ->
851
    begin
852
      incr cpt;
853
      fprintf fmt "enum _enum_%d { %a } %s" !cpt (Utils.fprintf_list ~sep:", " pp_print_string) tl var
854
    end
855
856
let print_type_definitions fmt =
857
  let cpt_type = ref 0 in
858
  Hashtbl.iter (fun typ def ->
859
    match typ with
860
    | Tydec_const var ->
861
      fprintf fmt "typedef %a;@.@."
862
	(pp_c_type_decl cpt_type var) def
863
    | _        -> ()) type_table
864
865 592f508c ploc
let print_makefile basename nodename dependencies fmt =
866 5c1184ad ploc
  fprintf fmt "GCC=gcc@.";
867 71513f0e ploc
  fprintf fmt "LUSTREC=%s@." Sys.executable_name;
868
  fprintf fmt "LUSTREC_BASE=%s@." (Filename.dirname (Filename.dirname Sys.executable_name));
869
  fprintf fmt "INC=${LUSTREC_BASE}/include/lustrec@.";
870 5c1184ad ploc
  fprintf fmt "@.";
871 17d2db94 ploc
  fprintf fmt "%s_%s:@." basename nodename;
872 5c1184ad ploc
  fprintf fmt "\t${GCC} -I${INC} -I. -c %s.c@." basename;    
873 592f508c ploc
  List.iter (fun s -> (* Format.eprintf "Adding dependency: %s@." s;  *)
874
    fprintf fmt "\t${GCC} -I${INC} -c %s@." s)
875
    (("${INC}/io_frontend.c")::(List.map (fun s -> s ^ ".c") dependencies));    
876 17d2db94 ploc
(*  fprintf fmt "\t${GCC} -I${INC} -c ${INC}/StdLibrary.c@."; *)
877
(*  fprintf fmt "\t${GCC} -o %s_%s io_frontend.o StdLibrary.o -lm %s.o@." basename nodename basename*)
878 592f508c ploc
  fprintf fmt "\t${GCC} -o %s_%s io_frontend.o %a -lm %s.o@." basename nodename 
879
    (Utils.fprintf_list ~sep:" " (fun fmt s -> Format.fprintf fmt "%s.o" s)) dependencies basename;
880 71513f0e ploc
 fprintf fmt "@.";
881
 fprintf fmt "clean:@.";
882
 fprintf fmt "\t\\rm -f *.o %s_%s@." basename nodename
883 17d2db94 ploc
884
885 5c1184ad ploc
886 592f508c ploc
887 22fe1c93 ploc
(********************************************************************************************)
888
(*                         Translation function                                             *)
889
(********************************************************************************************)
890 e772c6ef enoulard
891 592f508c ploc
let translate_to_c header_fmt source_fmt makefile_fmt spec_fmt_opt basename prog machines dependencies =
892 22fe1c93 ploc
  (* Generating H file *)
893
894
  (* Include once: start *)
895
  let baseNAME = String.uppercase basename in
896
  let baseNAME = Str.global_replace (Str.regexp "\\.\\|\\ ") "_" baseNAME in
897
  (* Print the svn version number and the supported C standard (C90 or C99) *)
898
  print_version header_fmt;
899
  fprintf header_fmt "#ifndef _%s@.#define _%s@." baseNAME baseNAME;
900 e772c6ef enoulard
  pp_print_newline header_fmt ();
901
  (* Print the global constant declarations. *)
902
  fprintf header_fmt "/* Global constant (declarations, definitions are in C file) */@.";
903
  List.iter (fun c -> print_const_decl header_fmt c) (get_consts prog);
904
  pp_print_newline header_fmt ();
905 7291cb80 xthirioux
  (* Print the struct declarations of all machines. *)
906 22fe1c93 ploc
  fprintf header_fmt "/* Struct declarations */@.";
907
  List.iter (print_machine_struct header_fmt) machines;
908
  pp_print_newline header_fmt ();
909
  (* Print the prototypes of all machines *)
910
  fprintf header_fmt "/* Nodes declarations */@.";
911
  List.iter (print_machine_decl header_fmt) machines;
912
  pp_print_newline header_fmt ();
913
  (* Include once: end *)
914
  fprintf header_fmt "#endif@.";
915
  pp_print_newline header_fmt ();
916
917
  (* Generating C file *)
918 e772c6ef enoulard
919 22fe1c93 ploc
  (* If a main node is identified, generate a main function for it *)
920 5c1184ad ploc
  let main_include, main_print, main_makefile =
921 22fe1c93 ploc
    match !Options.main_node with
922 5c1184ad ploc
      | "" -> (fun _ -> ()), (fun _ -> ()), (fun _ -> ())
923 3ee1012f ploc
      | main_node -> (
924
	match Machine_code.get_machine_opt main_node machines with
925 5c1184ad ploc
	| None -> eprintf "Unable to find a main node named %s@.@?" main_node; (fun _ -> ()), (fun _ -> ()), (fun _ -> ())
926 592f508c ploc
	| Some m -> print_main_header, print_main_fun machines m, print_makefile basename !Options.main_node dependencies
927 3ee1012f ploc
      )
928 22fe1c93 ploc
  in
929
  main_include source_fmt;
930
  fprintf source_fmt "#include <stdlib.h>@.#include <assert.h>@.#include \"%s\"@.@." (basename^".h");
931
  (* Print the svn version number and the supported C standard (C90 or C99) *)
932
  print_version source_fmt;
933
  (* Print the prototype of imported nodes *)
934
  fprintf source_fmt "/* Imported nodes declarations */@.";
935
  fprintf source_fmt "@[<v>";
936
  List.iter (print_prototype source_fmt) prog;
937
  fprintf source_fmt "@]@.";
938
  (* Print the type definitions from the type table *)
939
  print_type_definitions source_fmt;
940
  (* Print consts *)
941 e772c6ef enoulard
  fprintf source_fmt "/* Global constants (definitions) */@.";
942
  List.iter (fun c -> print_const_def source_fmt c) (get_consts prog);
943 22fe1c93 ploc
  pp_print_newline source_fmt ();
944
  (* Print nodes one by one (in the previous order) *)
945
  List.iter (print_machine source_fmt) machines;
946 5c1184ad ploc
  main_print source_fmt;
947 22fe1c93 ploc
948 5c1184ad ploc
  (* Generating Makefile *)
949 e772c6ef enoulard
  main_makefile makefile_fmt
950 22fe1c93 ploc
951
(* Local Variables: *)
952
(* compile-command:"make -C .." *)
953
(* End: *)