ocarina-backends-c_common-mapping.adb 147 KB
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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--    O C A R I N A . B A C K E N D S . C _ C O M M O N . M A P P I N G     --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
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--    Copyright (C) 2008-2009 Telecom ParisTech, 2010-2019 ESA & ISAE.      --
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--                                                                          --
-- Ocarina  is free software; you can redistribute it and/or modify under   --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion. Ocarina 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.                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
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--                                                                          --
------------------------------------------------------------------------------

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with Ocarina.Namet;
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with Utils; use Utils;

with Ocarina.Backends.Messages;
with Ocarina.Backends.Utils;
with Ocarina.Backends.C_Values;
with Ocarina.Backends.C_Tree.Nodes;
with Ocarina.Backends.C_Tree.Nutils;
with Ocarina.Backends.PO_HI_C.Runtime;
with Ocarina.Backends.POK_C.Runtime;
with Ocarina.Backends.POK_C;

with Ocarina.Instances.Queries;

with Ocarina.ME_AADL;
with Ocarina.ME_AADL.AADL_Tree.Nodes;
with Ocarina.ME_AADL.AADL_Tree.Nutils;
with Ocarina.ME_AADL.AADL_Tree.Entities.Properties;
with Ocarina.ME_AADL.AADL_Tree.Entities;
with Ocarina.ME_AADL.AADL_Instances.Nodes;
with Ocarina.ME_AADL.AADL_Instances.Nutils;
with Ocarina.ME_AADL.AADL_Instances.Entities;

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with Ocarina.Backends.C_Common.BA;

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package body Ocarina.Backends.C_Common.Mapping is

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   use Ocarina.Namet;
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   use Ocarina.Backends.Messages;
   use Ocarina.Backends.Utils;
   use Ocarina.Backends.C_Values;
   use Ocarina.Backends.C_Tree.Nodes;
   use Ocarina.Backends.C_Tree.Nutils;
   use Ocarina.Backends.PO_HI_C.Runtime;
   use Ocarina.Backends.POK_C.Runtime;
   use Ocarina.Backends.POK_C;
   use Ocarina.Instances.Queries;

   use Ocarina.ME_AADL.AADL_Tree.Entities.Properties;
   use Ocarina.ME_AADL;
   use Ocarina.ME_AADL.AADL_Instances.Nodes;
   use Ocarina.ME_AADL.AADL_Instances.Entities;

   package AAN renames Ocarina.ME_AADL.AADL_Tree.Nodes;
   package ATU renames Ocarina.ME_AADL.AADL_Tree.Nutils;
--   package ATE renames Ocarina.ME_AADL.AADL_Tree.Entities;
   package AIN renames Ocarina.ME_AADL.AADL_Instances.Nodes;
   package AINU renames Ocarina.ME_AADL.AADL_Instances.Nutils;
   package CTN renames Ocarina.Backends.C_Tree.Nodes;
   package CTU renames Ocarina.Backends.C_Tree.Nutils;
   package PKR renames Ocarina.Backends.POK_C.Runtime;
   package PHR renames Ocarina.Backends.PO_HI_C.Runtime;
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   package CCBA renames Ocarina.Backends.C_Common.BA;
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   ---------------------------
   -- Call_Remote_Functions --
   ---------------------------

   procedure Call_Remote_Functions
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     (Caller_Thread : Node_Id;
      Spg_Call      : Node_Id;
      Declarations  : List_Id;
      Statements    : List_Id)
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   is
      procedure Check_Connection_Consistency (F : Node_Id);
      --  Verifies that the feature F is connected to at least one
      --  destination.

      procedure Call_Remote_Functions
        (Root_F         : Node_Id;
         Intermediate_F : Node_Id);
      --  This recursive procedure will unwind recursively all the
      --  destinations of the Root_F feature until it finds a
      --  subprogram. If the remote subprogram is found, add a call
      --  to the subprogram call table (if necessary) and add a
      --  parameter association corresponding to Root_F the the
      --  call to this subprogram. At the top level call to
      --  Call_Remote_Subprograms, Intermediate_F = Root_F.

      procedure Update_Remote_Calls
        (Remote_Spg  : Node_Id;
         Param_Value : Node_Id);
      --  If the call to Spg has not been added yet, create
      --  it. Adds a parameter association Param_Name =>
      --  Param_Value to the call profile.

      Call_List : constant List_Id := New_List (CTN.K_Statement_List);
      --  List that contains the calls to all remote subprogram
      --  connected to Spg.

      ----------------------------------
      -- Check_Connection_Consistency --
      ----------------------------------

      procedure Check_Connection_Consistency (F : Node_Id) is
      begin
         if AINU.Length (Destinations (F)) = 0 then
            Display_Located_Error
              (AIN.Loc (F),
               "This feature does not have any destinations",
               Fatal => True);
         end if;
      end Check_Connection_Consistency;

      ---------------------------
      -- Call_Remote_Functions --
      ---------------------------

      procedure Call_Remote_Functions
        (Root_F         : Node_Id;
         Intermediate_F : Node_Id)
      is
         Destination_F : Node_Id;
         C             : Node_Id;
      begin
         --  Root F has to be a parameter instance

         pragma Assert (Kind (Root_F) = K_Parameter_Instance);

         --  The container of the subprogram containing F has to be
         --  necessarily a Thread.

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         pragma Assert
           (AINU.Is_Thread
              (Parent_Component
                 (Parent_Sequence
                    (Parent_Subcomponent (Parent_Component (Root_F))))));
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         --  Check the feature consistency

         Check_Connection_Consistency (Intermediate_F);

         Destination_F := AIN.First_Node (Destinations (Intermediate_F));

         while Present (Destination_F) loop
            C := Parent_Component (Item (Destination_F));

            --  If C is also the parent component of Root_F (which
            --  is necessarily a subprogram). Then display an error
            --  and exit.

            if C = Parent_Component (Root_F) then
               Display_Located_Error
                 (AIN.Loc (C),
                  "This subprogram is involved in a connection cycle",
                  Fatal => True);
            end if;

            if AINU.Is_Subprogram (C) then
               --  If C is a subprogram, then append it to the call
               --  list (if necessary, and add a parameter
               --  association corresponding to Root_F and
               --  Destination_F.

               Update_Remote_Calls (C, Root_F);
            else
               --  Otherwise, keep unwinding the destinations

               Call_Remote_Functions (Root_F, Item (Destination_F));
            end if;

            Destination_F := AIN.Next_Node (Destination_F);
         end loop;
      end Call_Remote_Functions;

      -------------------------
      -- Update_Remote_Calls --
      -------------------------

      procedure Update_Remote_Calls
        (Remote_Spg  : Node_Id;
         Param_Value : Node_Id)
      is
         R_Name  : Name_Id;
         N       : Node_Id;
         Profile : List_Id;
      begin
         --  Check whether a call corresponding to Spg has already
         --  been added to Call_List (we use name table infos
         --  instead of looping on Call list, which is a very fast
         --  way.

         Set_Nat_To_Name_Buffer (Nat (Remote_Spg));
         Add_Str_To_Name_Buffer ("%RemoteCall%");
         Add_Nat_To_Name_Buffer (Nat (Spg_Call));
         R_Name := Name_Find;

         if Get_Name_Table_Info (R_Name) = 0 then
            N := Message_Comment ("Call stub ");
            Append_Node_To_List (N, Statements);

            Profile := New_List (CTN.K_List_Id);

            --  Add the FROM argument (first argument)
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            N :=
              Make_Defining_Identifier
                (Map_C_Enumerator_Name
                   (Parent_Subcomponent (Caller_Thread),
                    Entity => True));
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            Append_Node_To_List (N, Profile);

            --  Add the TO argument (second argument)

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            N :=
              Make_Defining_Identifier
                (Map_C_Enumerator_Name
                   (Parent_Subcomponent (Get_Container_Thread (Remote_Spg)),
                    Entity => True));
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            Append_Node_To_List (N, Profile);

            --  Add the message argument (third argument)
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            N :=
              Make_Variable_Address
                (Make_Defining_Identifier (PN (P_Message)));
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            Append_Node_To_List (N, Profile);

            --  Create the subprogram call

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            N := Make_Call_Profile (Map_Stub_Identifier (Remote_Spg), Profile);
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            Append_Node_To_List (N, Statements);

            --  Mark the call as being added. The info we associate
            --  to the name is the value of the profile list to be
            --  able to get it to add parameter associations.

            Set_Name_Table_Info (R_Name, Nat (Profile));
         else
            Profile := List_Id (Get_Name_Table_Info (R_Name));
         end if;

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         N :=
           Make_Defining_Identifier
             (Map_C_Full_Parameter_Name (Spg_Call, Param_Value));
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         Append_Node_To_List (N, Profile);

      end Update_Remote_Calls;

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      Spg : constant Node_Id := Corresponding_Instance (Spg_Call);
      F   : Node_Id;
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   begin
      pragma Assert (AINU.Is_Thread (Caller_Thread));

      --  The lists have to be created

      if Declarations = No_List or else Statements = No_List then
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         raise Program_Error
           with "Lists have to be created before any " &
           "call to Get_Remote_Subprogram";
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      end if;

      if not AINU.Is_Empty (Features (Spg)) then
         F := AIN.First_Node (Features (Spg));

         while Present (F) loop
            if Kind (F) = K_Parameter_Instance and then Is_Out (F) then
               --  Call all the remote subprograms connected the
               --  feature F.

               Call_Remote_Functions (F, F);
            end if;

            F := AIN.Next_Node (F);
         end loop;
      end if;

      --  Append the calls to the Statements list

      if not CTU.Is_Empty (Call_List) then
         Append_Node_To_List (CTN.First_Node (Call_List), Statements);
      end if;
   end Call_Remote_Functions;

   ---------------------------------
   -- Map_Distributed_Application --
   ---------------------------------

   function Map_Distributed_Application (E : Node_Id) return Node_Id is
      D : constant Node_Id := New_Node (CTN.K_HI_Distributed_Application);
   begin
      pragma Assert (AINU.Is_System (E) or else AINU.Is_Processor (E));

      --  Update the global variable to be able to fetch the root of
      --  the distributed application and generate the source files.

      if Get_Current_Backend_Kind = PolyORB_Kernel_C then
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         CTN.Set_Name
           (D,
            To_C_Name
              (AIN.Name (AIN.Identifier (Parent_Subcomponent (E))),
               Keyword_Check => False));
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      else
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         CTN.Set_Name (D, To_C_Name (AIN.Name (AIN.Identifier (E))));
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      end if;
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      CTN.Set_Units (D, New_List (CTN.K_List_Id));
      CTN.Set_HI_Nodes (D, New_List (CTN.K_List_Id));

      return D;
   end Map_Distributed_Application;

   -----------------
   -- Map_HI_Node --
   -----------------

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   function Map_HI_Node
     (E      : Node_Id;
      Kernel : Boolean := False) return Node_Id
   is
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      N : constant Node_Id := New_Node (CTN.K_HI_Node);
   begin
      pragma Assert
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        (AINU.Is_Process_Or_Device (E)
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         or else AINU.Is_System (E)
         or else AINU.Is_Processor (E));

      --  The name of the node is not the name of the process
      --  component instance, but the name of the process subcomponent
      --  corresponding to this instance.

      if Kernel then
         Set_Str_To_Name_Buffer ("kernel");
         CTN.Set_Name (N, Name_Find);
      else
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         CTN.Set_Name
           (N,
            To_C_Name
              (AIN.Name (AIN.Identifier (AIN.Parent_Subcomponent (E))),
               Keyword_Check => False));
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      end if;

      Set_Units (N, New_List (K_List_Id));

      --  Append the partition N to the node list of the PolyORB-HI
      --  distributed application. We are sure that the top of the
      --  entity stack contains the C distributed application node.

      Append_Node_To_List (N, HI_Nodes (Current_Entity));
      Set_Distributed_Application (N, Current_Entity);

      return N;
   end Map_HI_Node;

   -----------------
   -- Map_HI_Unit --
   -----------------

   function Map_HI_Unit (E : Node_Id) return Node_Id is
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      U : Node_Id;
      S : List_Id;
      H : List_Id;
      N : Node_Id;
      P : Node_Id;
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   begin
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      pragma Assert
        (AINU.Is_System (E)
         or else AINU.Is_Process_Or_Device (E)
         or else AINU.Is_Processor (E));
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      U := New_Node (CTN.K_HI_Unit, AIN.Identifier (E));
      S := New_List (K_Sources);
      H := New_List (K_Headers);

      --  Packages that are common to all nodes

      if AINU.Is_Process_Or_Device (E) then
         Set_Str_To_Name_Buffer ("subprograms");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Subprograms_Source (U, P);
         Append_Node_To_List (P, S);

         if Get_Current_Backend_Kind = PolyORB_Kernel_C then
            Set_Str_To_Name_Buffer ("gtypes");
         elsif Get_Current_Backend_Kind = PolyORB_HI_C then
            Set_Str_To_Name_Buffer ("types");
         end if;
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Types_Source (U, P);
         Append_Node_To_List (P, S);

         Set_Str_To_Name_Buffer ("marshallers");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Marshallers_Source (U, P);
         Append_Node_To_List (P, S);

         Set_Str_To_Name_Buffer ("request");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Request_Source (U, P);
         Append_Node_To_List (P, S);

         Set_Str_To_Name_Buffer ("activity");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Activity_Source (U, P);
         Append_Node_To_List (P, S);
         Bind_AADL_To_Activity (Identifier (E), P);

         Set_Str_To_Name_Buffer ("activity");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Header_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Activity_Header (U, P);
         Append_Node_To_List (P, H);

         Set_Str_To_Name_Buffer ("main");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Source_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Main_Source (U, P);
         Append_Node_To_List (P, S);
         Bind_AADL_To_Main (Identifier (E), P);

         Set_Str_To_Name_Buffer ("request");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Header_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Request_Header (U, P);
         Append_Node_To_List (P, H);

         if Get_Current_Backend_Kind = PolyORB_Kernel_C then
            Set_Str_To_Name_Buffer ("gtypes");
         elsif Get_Current_Backend_Kind = PolyORB_HI_C then
            Set_Str_To_Name_Buffer ("types");
         end if;
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Header_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Types_Header (U, P);
         Append_Node_To_List (P, H);

         Set_Str_To_Name_Buffer ("marshallers");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Header_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Marshallers_Header (U, P);
         Append_Node_To_List (P, H);

         Set_Str_To_Name_Buffer ("subprograms");
         N := Make_Defining_Identifier (Name_Find);
         P := Make_Header_File (N);
         Set_Distributed_Application_Unit (P, U);
         CTN.Set_Subprograms_Header (U, P);
         Append_Node_To_List (P, H);

      end if;

      Set_Str_To_Name_Buffer ("deployment");
      N := Make_Defining_Identifier (Name_Find);
      P := Make_Source_File (N);
      Set_Distributed_Application_Unit (P, U);
      CTN.Set_Deployment_Source (U, P);
      Append_Node_To_List (P, S);

      Set_Str_To_Name_Buffer ("deployment");
      N := Make_Defining_Identifier (Name_Find);
      P := Make_Header_File (N);
      Set_Distributed_Application_Unit (P, U);
      CTN.Set_Deployment_Header (U, P);
      Append_Node_To_List (P, H);

      Set_Str_To_Name_Buffer ("naming");
      N := Make_Defining_Identifier (Name_Find);
      P := Make_Header_File (N);
      Set_Distributed_Application_Unit (P, U);
      CTN.Set_Naming_Header (U, P);
      Append_Node_To_List (P, H);

      Set_Str_To_Name_Buffer ("naming");
      N := Make_Defining_Identifier (Name_Find);
      P := Make_Source_File (N);
      Set_Distributed_Application_Unit (P, U);
      CTN.Set_Naming_Source (U, P);
      Append_Node_To_List (P, S);
      Bind_AADL_To_Naming (Identifier (E), P);

      --  Append the Unit to the units list of the current C
      --  partition.

      CTN.Set_Sources (U, S);
      CTN.Set_Headers (U, H);

      Append_Node_To_List (U, Units (Current_Entity));
      CTN.Set_Entity (U, Current_Entity);

      return U;
   end Map_HI_Unit;

   -------------------------------------
   -- Bind_AADL_To_Feature_Subprogram --
   -------------------------------------

   procedure Bind_AADL_To_Feature_Subprogram (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Feature_Subprogram_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Feature_Subprogram;

   -----------------------------
   -- Bind_AADL_To_Deployment --
   -----------------------------

   procedure Bind_AADL_To_Deployment (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Deployment_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Deployment;

   ------------------------------
   -- Bind_AADL_To_Global_Port --
   ------------------------------

   procedure Bind_AADL_To_Global_Port (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Global_Port_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Global_Port;

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   -------------------------------
   -- Bind_AADL_To_Global_Names --
   -------------------------------

   procedure Bind_AADL_To_Global_Names (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Global_Names_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Global_Names;

   -------------------------------------
   -- Bind_AADL_To_Global_Model_Names --
   -------------------------------------

   procedure Bind_AADL_To_Global_Model_Names (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Global_Model_Names_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Global_Model_Names;

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   -----------------------------
   -- Bind_AADL_To_Local_Port --
   -----------------------------

   procedure Bind_AADL_To_Local_Port (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Local_Port_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Local_Port;

   --------------------------
   -- Bind_AADL_To_Request --
   --------------------------

   procedure Bind_AADL_To_Request (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Request_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Request;

   ---------------------------
   -- Bind_AADL_To_Entities --
   ---------------------------

   procedure Bind_AADL_To_Entities (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Entities_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Entities;

   --------------------------
   -- Bind_AADL_To_Servers --
   --------------------------

   procedure Bind_AADL_To_Servers (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Servers_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Servers;

   -----------------------------
   -- Bind_AADL_To_Subprogram --
   -----------------------------

   procedure Bind_AADL_To_Subprogram (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Subprogram_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Subprogram;

   ---------------------------
   -- Bind_AADL_To_Activity --
   ---------------------------

   procedure Bind_AADL_To_Activity (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Activity_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Activity;

   -------------------------
   -- Bind_AADL_To_Naming --
   -------------------------

   procedure Bind_AADL_To_Naming (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Naming_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Naming;

   ----------------------
   -- Bind_AADL_To_Job --
   ----------------------

   procedure Bind_AADL_To_Job (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Job_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Job;

   -----------------------------
   -- Bind_AADL_To_Enumerator --
   -----------------------------

   procedure Bind_AADL_To_Enumerator (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Enumerator_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Enumerator;

   ----------------------------------
   -- Bind_AADL_To_Type_Definition --
   ----------------------------------

   procedure Bind_AADL_To_Type_Definition (G : Node_Id; A : Node_Id) is
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      pragma Assert (Present (A));

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      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Type_Definition_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Type_Definition;

   ----------------------------------
   -- Bind_AADL_To_Process_Request --
   ----------------------------------

   procedure Bind_AADL_To_Process_Request (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Process_Request_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Process_Request;

   -------------------------------
   -- Bind_AADL_To_Request_Type --
   -------------------------------

   procedure Bind_AADL_To_Request_Type (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Request_Type_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Request_Type;

   -----------------------
   -- Bind_AADL_To_Main --
   -----------------------

   procedure Bind_AADL_To_Main (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Main_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Main;

   -----------------------------
   -- Map_Task_Job_Identifier --
   -----------------------------

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   function Map_Task_Job_Identifier
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     (E                : Node_Id;
      Prefix_Component : Node_Id := No_Node) return Node_Id
   is
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      Name : Name_Id;
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      C1   : Name_Id := No_Name;
      C2   : Name_Id := No_Name;
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   begin
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      if Prefix_Component /= No_Node then
         Get_Name_String
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           (To_C_Name (AIN.Display_Name (Identifier (Prefix_Component))));
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         C1 := Name_Find;
      end if;
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      Get_Name_String (To_C_Name (AIN.Display_Name (Identifier (E))));
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      C2 := Name_Find;

      Set_Str_To_Name_Buffer ("");

      if C1 /= No_Name then
         Get_Name_String (C1);
         Add_Str_To_Name_Buffer ("_");
      end if;

      Get_Name_String_And_Append (C2);
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      Add_Str_To_Name_Buffer ("_job");
      Name := Name_Find;
      Name := To_Lower (Name);
      return Make_Defining_Identifier (Name);
   end Map_Task_Job_Identifier;

   ---------------------------------
   -- Map_Task_Deliver_Identifier --
   ---------------------------------

   function Map_Task_Deliver_Identifier (E : Node_Id) return Node_Id is
      Name : Name_Id;
   begin
      Get_Name_String (To_C_Name (AIN.Display_Name (Identifier (E))));
      Add_Str_To_Name_Buffer ("_deliver");
      Name := Name_Find;
      Name := To_Lower (Name);
      return Make_Defining_Identifier (Name);
   end Map_Task_Deliver_Identifier;

   ---------------------
   -- Map_C_Enum_Name --
   ---------------------

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   function Map_C_Enum_Name
     (E          : Node_Id;
      Enumerator : Name_Id) return Name_Id
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   is
      Enum_Name : Name_Id;
   begin
      --  Note: we need to adapt the name of the enumerator to avoid
      --  collision of enumerators, as C does not allow twice the same
      --  enumerators in two different enum types.

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      Enum_Name := To_C_Name (Display_Name (Identifier (E)));
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      Get_Name_String_And_Append (Enum_Name);
      Add_Str_To_Name_Buffer ("_");
      Get_Name_String_And_Append (Enumerator);
      return Name_Find;
   end Map_C_Enum_Name;

   ---------------------------
   -- Map_C_Enumerator_Name --
   ---------------------------

   function Map_C_Enumerator_Name
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     (E                    : Node_Id;
      Custom_Parent        : Node_Id := No_Node;
      Fully_Qualify_Parent : Boolean := False;
      Entity               : Boolean := False;
      Server               : Boolean := False;
      Port_Type            : Boolean := False;
      Local_Port           : Boolean := False) return Name_Id
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   is
      C_Name_1 : Name_Id;
      C_Name_2 : Name_Id;
   begin
      if Kind (E) = K_Port_Spec_Instance then
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         C_Name_1 := CTU.To_C_Name (Display_Name (Identifier (E)));
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         if Fully_Qualify_Parent then
            Get_Name_String
              (CTU.To_C_Name
                 (Fully_Qualified_Instance_Name
                    (Parent_Component ((E)))));
         else
            Get_Name_String
              (CTU.To_C_Name
                 (Display_Name
                    (Identifier (Parent_Subcomponent
                                   (Parent_Component (E))))));
         end if;

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         if Local_Port then
            Add_Str_To_Name_Buffer ("_local_");
            Get_Name_String_And_Append (C_Name_1);
         else
            Add_Str_To_Name_Buffer ("_global_");
            Get_Name_String_And_Append (C_Name_1);
         end if;
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      elsif AINU.Is_Bus (E) then
         Set_Str_To_Name_Buffer ("bus_");
         Get_Name_String_And_Append
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           (AIN.Name (AIN.Identifier (Parent_Subcomponent (E))));
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      elsif AINU.Is_Virtual_Bus (E) then
         Set_Str_To_Name_Buffer ("virtual_bus_");
         if Parent_Subcomponent (E) /= No_Node then
            Get_Name_String_And_Append
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              (AIN.Name (AIN.Identifier (Parent_Subcomponent (E))));
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         else
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            Get_Name_String_And_Append (AIN.Name (AIN.Identifier (E)));
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         end if;
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      elsif AINU.Is_Subprogram (E) then
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         --  For subprograms and processes, the enemerator name is
         --  mapped from the entity name.

         Get_Name_String (CTU.To_C_Name (Display_Name (Identifier (E))));
         Add_Str_To_Name_Buffer ("_k");
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      elsif Get_Current_Backend_Kind = PolyORB_HI_C
        and then AINU.Is_Device (E)
      then
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         Get_Name_String
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           (CTU.To_C_Name
              (Display_Name (Identifier (Parent_Subcomponent (E)))));
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         Add_Str_To_Name_Buffer ("_device_id");
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      elsif
        (Present (Corresponding_Instance (E))
         and then AINU.Is_Process_Or_Device (Corresponding_Instance (E)))
      then
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         Get_Name_String (CTU.To_C_Name (Display_Name (Identifier (E))));
         Add_Str_To_Name_Buffer ("_k");
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      elsif AINU.Is_Thread (Corresponding_Instance (E)) then
         --  For threads, the enumerator name is mapped from the
         --  containing process name and the thread subcomponent name.
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         if Custom_Parent /= No_Node then
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            C_Name_1 :=
              CTU.To_C_Name
                (Display_Name
                   (Identifier (Parent_Subcomponent (Custom_Parent))));
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         else
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            C_Name_1 :=
              CTU.To_C_Name
                (Display_Name
                   (Identifier (Parent_Subcomponent (Parent_Component (E)))));
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         end if;

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         if Port_Type then
            Set_Str_To_Name_Buffer ("__po_hi_");
            Get_Name_String_And_Append (C_Name_2);
            Add_Str_To_Name_Buffer ("_t");
         else
            Get_Name_String (C_Name_1);
            Add_Char_To_Name_Buffer ('_');
            Get_Name_String_And_Append (C_Name_2);
            Add_Str_To_Name_Buffer ("_k");
         end if;

         if Server then
            Add_Str_To_Name_Buffer ("_server");
         end if;

         if Entity then
            Add_Str_To_Name_Buffer ("_entity");
         end if;
      else
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         raise Program_Error with "Wrong node kind for Map_C_Enumerator_Name";
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      end if;

      C_Name_1 := Name_Find;
      C_Name_1 := To_Lower (C_Name_1);

      return C_Name_1;
   end Map_C_Enumerator_Name;

   -----------------------
   -- Map_C_Define_Name --
   -----------------------

   function Map_C_Define_Name
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     (E                                             : Node_Id;
      Nb_Ports                                      : Boolean := False;
      Nb_States                                     : Boolean := False;
      Max_Dispatch_Transitions_Per_Complete_State   : Boolean := False;
      Max_Dispatch_Triggers_Per_Dispatch_Transition : Boolean := False)
      return Name_Id
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   is
      C_Name : Name_Id;
   begin
      if AINU.Is_Thread (Corresponding_Instance (E)) then
         --  For threads, the enumerator name is mapped from the
         --  containing process name and the thread subcomponent name.

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         C_Name := Display_Name (Identifier (E));
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         Set_Str_To_Name_Buffer ("__PO_HI_");

         Get_Name_String_And_Append (C_Name);
         if Nb_Ports then
            Add_Str_To_Name_Buffer ("_NB_PORTS");
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         elsif Nb_States then
            Add_Str_To_Name_Buffer ("_nb_states");
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         elsif Max_Dispatch_Transitions_Per_Complete_State then
            Add_Str_To_Name_Buffer
              ("_max_dispatch_transitions_per_complete_state");
         elsif Max_Dispatch_Triggers_Per_Dispatch_Transition then
            Add_Str_To_Name_Buffer
              ("_max_dispatch_triggers_per_dispatch_transition");
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         end if;
      else
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         raise Program_Error with "Wrong node kind for Map_C_Enumerator_Name";
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      end if;

      C_Name := Name_Find;
      C_Name := To_Upper (C_Name);

      return C_Name;
   end Map_C_Define_Name;

   -------------------------
   -- Map_C_Variable_Name --
   -------------------------

   function Map_C_Variable_Name
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     (E                   : Node_Id;
      Port_Variable       : Boolean := False;
      Port_History        : Boolean := False;
      Port_Woffsets       : Boolean := False;
      Port_Empties        : Boolean := False;
      Port_First          : Boolean := False;
      Port_Queue          : Boolean := False;
      Port_Recent         : Boolean := False;
      Port_Fifo_Size      : Boolean := False;
      Port_Offsets        : Boolean := False;
      Port_Used_Size      : Boolean := False;
      Port_N_Dest         : Boolean := False;
      Port_Local_Dest     : Boolean := False;
      Port_Destinations   : Boolean := False;
      Port_Total_Fifo     : Boolean := False;
      Port_Request        : Boolean := False;
      Request_Variable    : Boolean := False;
      State_Name_T        : Boolean := False;
      State_T             : Boolean := False;
      States_Array        : Boolean := False;
      Current_State       : Boolean := False) return Name_Id
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   is
      C_Name : Name_Id;
   begin

      C_Name := To_C_Name (Display_Name (Identifier (E)));

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      if not Port_Request and then not Request_Variable then
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         Set_Str_To_Name_Buffer ("__po_hi_");

         if Port_Local_Dest then
            Get_Name_String_And_Append
              (AIN.Name
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                 (Identifier (Parent_Subcomponent (Parent_Component (E)))));
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            Add_Str_To_Name_Buffer ("_");
         end if;

         Get_Name_String_And_Append (C_Name);
      else
         Get_Name_String (C_Name);
      end if;

      if Port_Variable then
         Add_Str_To_Name_Buffer ("_local_to_global");
      elsif Port_History then
         Add_Str_To_Name_Buffer ("_history");
      elsif Port_Woffsets then
         Add_Str_To_Name_Buffer ("_woffsets");
      elsif Port_Empties then
         Add_Str_To_Name_Buffer ("_empties");
      elsif Port_First then
         Add_Str_To_Name_Buffer ("_first");
      elsif Port_Queue then
         Add_Str_To_Name_Buffer ("_queue");
      elsif Port_Recent then
         Add_Str_To_Name_Buffer ("_recent");
      elsif Port_Fifo_Size then
         Add_Str_To_Name_Buffer ("_fifo_size");
      elsif Port_Offsets then
         Add_Str_To_Name_Buffer ("_offsets");
      elsif Port_Used_Size then
         Add_Str_To_Name_Buffer ("_used_size");
      elsif Port_N_Dest then
         Add_Str_To_Name_Buffer ("_n_dest");
      elsif Port_Local_Dest then
         Add_Str_To_Name_Buffer ("_local_destinations");
      elsif Port_Destinations then
         Add_Str_To_Name_Buffer ("_destinations");
      elsif Port_Total_Fifo then
         Add_Str_To_Name_Buffer ("_total_fifo_size");
      elsif Port_Request then
         Add_Str_To_Name_Buffer ("_request");
      elsif Request_Variable then
         Add_Str_To_Name_Buffer ("_request_var");
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      elsif State_Name_T then
         Add_Str_To_Name_Buffer ("_state_name_t");
      elsif State_T then
         Add_Str_To_Name_Buffer ("_state_t");
      elsif States_Array then
         Add_Str_To_Name_Buffer ("_states_array");
      elsif Current_State then
         Add_Str_To_Name_Buffer ("_current_state");
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      end if;

      C_Name := Name_Find;

      return C_Name;
   end Map_C_Variable_Name;

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   ------------------------------------
   -- Map_C_BA_Related_Function_Name --
   ------------------------------------

   function Map_C_BA_Related_Function_Name
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     (E                          : Node_Id;
      BA_Body                    : Boolean := False;
      States_Initialization      : Boolean := False;
      BA_Initialization          : Boolean := False;
      Update_Next_Complete_State : Boolean := False) return Name_Id
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   is
      C_Name : Name_Id;
   begin

      C_Name := To_C_Name (Display_Name (Identifier (E)));

      Get_Name_String (C_Name);

      if BA_Body then
         Add_Str_To_Name_Buffer ("_ba_body");
      elsif States_Initialization then
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         Add_Str_To_Name_Buffer ("_states_and_current_state_initialization");
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      elsif BA_Initialization then
         Add_Str_To_Name_Buffer ("_ba_initialization");
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      elsif Update_Next_Complete_State then
         Add_Str_To_Name_Buffer ("_update_next_complete_state");
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      end if;

      C_Name := Name_Find;

      return C_Name;
   end Map_C_BA_Related_Function_Name;

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   --------------------------
   -- Map_C_Operation_Name --
   --------------------------

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   function Map_C_Operation_Name (E : Node_Id) return Name_Id is
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      C_Name : Name_Id;
   begin
      Get_Name_String (CTU.To_C_Name (Display_Name (Identifier (E))));
      C_Name := Name_Find;
      return C_Name;
   end Map_C_Operation_Name;

   -------------------------------
   -- Map_C_Full_Parameter_Name --
   -------------------------------

   function Map_C_Full_Parameter_Name
     (Spg    : Node_Id;
      P      : Node_Id;
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      Suffix : Character := ASCII.NUL) return Name_Id
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   is
   begin
      pragma Assert (Kind (P) = K_Parameter_Instance);

      if Kind (Spg) = K_Component_Instance
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        and then AINU.Is_Subprogram (Spg)
      then
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         Get_Name_String (AINU.Compute_Full_Name_Of_Instance (Spg, True));
      elsif Kind (Spg) = K_Call_Instance then
         Get_Name_String (Display_Name (Identifier (Spg)));
      else
         raise Program_Error with "Wrong subprogram kind";
      end if;

      Add_Char_To_Name_Buffer ('_');
      Get_Name_String_And_Append (Display_Name (Identifier (P)));

      Get_Name_String (CTU.To_C_Name (Name_Find));

      if Suffix /= ASCII.NUL then
         Add_Str_To_Name_Buffer ('_' & Suffix);
      end if;

      return Name_Find;
   end Map_C_Full_Parameter_Name;

   --------------------------
   -- Map_C_Port_Data_Name --
   --------------------------

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   function Map_C_Port_Data_Name (E : Node_Id; P : Node_Id) return Name_Id is
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   begin
      Get_Name_String (AINU.Compute_Full_Name_Of_Instance (E, True));

      Add_Char_To_Name_Buffer ('_');
      Get_Name_String_And_Append (Display_Name (Identifier (P)));

      Get_Name_String (CTU.To_C_Name (Name_Find));

      return Name_Find;
   end Map_C_Port_Data_Name;

   --------------------------------
   -- Map_C_Data_Type_Designator --
   --------------------------------

   function Map_C_Data_Type_Designator (E : Node_Id) return Node_Id is
      N : Node_Id;
   begin
      if Get_Current_Backend_Kind = PolyORB_Kernel_C then
         Add_Include (PKR.RH (RH_Gtypes));
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      elsif Get_Current_Backend_Kind = PolyORB_HI_C then
         Add_Include (PHR.RH (RH_Types));
      end if;

      if Present (Backend_Node (Identifier (E)))
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        and then Present
          (CTN.Type_Definition_Node (Backend_Node (Identifier (E))))
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      then
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         N :=
           Type_Name
             (CTN.Type_Definition_Node (Backend_Node (Identifier (E))));
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         if Kind (N) = K_Defining_Identifier then
            return N;
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         elsif Kind (N) = K_Array_Declaration then
            return Defining_Identifier (N);
         end if;
      else
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         --  XXX why do we need this hack?
         return Map_C_Defining_Identifier (E);
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      end if;
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      return No_Node;
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   end Map_C_Data_Type_Designator;

   ---------------------------------
   -- Map_C_Subprogram_Identifier --
   ---------------------------------

   function Map_C_Subprogram_Identifier (E : Node_Id) return Node_Id is
      Result   : Node_Id;
      Spg_Name : Name_Id;
   begin
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      pragma Assert
        (AINU.Is_Thread (E)
         or else AINU.Is_Subprogram (E)
         or else Kind (E) = K_Port_Spec_Instance);
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      if AINU.Is_Subprogram (E)
        and then Get_Source_Language (E) /= Language_C
      then
         Display_Error ("This is not a C function", Fatal => True);
      end if;

      --  Get the subprogram name

      if AINU.Is_Subprogram (E) then
         Spg_Name := Get_Source_Name (E);
      elsif AINU.Is_Thread (E) then
         Spg_Name := Get_Thread_Compute_Entrypoint (E);
      else
         Spg_Name := Get_Port_Compute_Entrypoint (E);
      end if;

      --  Get the full implementation name

      Get_Name_String (Spg_Name);
      Result := Make_Defining_Identifier (Name_Find);
      return Result;
   end Map_C_Subprogram_Identifier;

   -------------------------------
   -- Map_C_Defining_Identifier --
   -------------------------------

   function Map_C_Defining_Identifier
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     (A          : Node_Id;
      Is_Pointer : Boolean := False) return Node_Id
   is
      I, J      : Node_Id;
      Result    : Node_Id;
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      Name_List : List_Id;

   begin
      if Kind (A) /= K_Identifier then
         I := Identifier (A);
      end if;

      if Kind (A) = K_Component_Instance
        and then Display_Name (Identifier (Namespace (A))) /= No_Name
      then
         --  If this is a component instance, use both namespace and
         --  identifier to build the C defining identifier, to avoid
         --  collisions in the C namespace.

         Name_List := AINU.Split_Name (Namespace (A));

         J := AIN.First_Node (Name_List);

         if Present (J) then
            Get_Name_String (To_C_Name (Display_Name (J)));
            J := AIN.Next_Node (J);

            while Present (J) loop
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               Add_Str_To_Name_Buffer
                 ("__" & Get_Name_String (Display_Name (J)));
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               J := AIN.Next_Node (J);
            end loop;
         end if;

         Add_Str_To_Name_Buffer ("__" & Get_Name_String (Display_Name (I)));

      else
         Get_Name_String (Display_Name (I));
      end if;

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      Result :=
        CTU.Make_Defining_Identifier (To_C_Name (Name_Find), True, Is_Pointer);
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      return Result;
   end Map_C_Defining_Identifier;

   ------------------------
   -- Map_Scade_Function --
   ------------------------

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   function Map_Scade_Function_Name (Subprogram : Node_Id) return Node_Id is
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   begin
      Get_Name_String (Get_Source_Name (Subprogram));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Scade_Function_Name;

   -------------------------
   -- Map_Scade_Struct_In --
   -------------------------

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   function Map_Scade_Struct_In (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("inC_");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Scade_Struct_In;

   --------------------------
   -- Map_Scade_Struct_Out --
   --------------------------

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   function Map_Scade_Struct_Out (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("outC_");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Scade_Struct_Out;

   -------------------------
   -- Map_Scade_Parameter --
   -------------------------

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   function Map_Scade_Parameter (Parameter : Node_Id) return Node_Id is
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      Scade_Name : Name_Id;
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   begin
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      Scade_Name := Get_Scade_Signal (Parameter);
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      if Scade_Name = No_Name then
         Scade_Name := Get_Source_Name (Parameter);
      end if;

      if Scade_Name = No_Name then
         Display_Located_Error
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           (AIN.Loc (Parameter),
            "The Parameter does not specify a SCADE mapping",
            Fatal => True);
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      end if;

      return CTU.Make_Defining_Identifier (Scade_Name, C_Conversion => False);
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   end Map_Scade_Parameter;

   ----------------------
   -- Map_Simulink_Var --
   ----------------------

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   function Map_Simulink_Var
     (Corresponding_Feature : Node_Id) return Node_Id
   is
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      Variable_Name : Name_Id;
      Simulink_Var  : Node_Id;
   begin
      Set_Str_To_Name_Buffer ("");

      Get_Name_String
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        (Get_Source_Name (Parent_Component (Corresponding_Feature)));
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      if Is_In (Corresponding_Feature) then
         Add_Str_To_Name_Buffer ("_U");
      end if;

      if Is_Out (Corresponding_Feature) then
         Add_Str_To_Name_Buffer ("_Y");
      end if;

      Variable_Name := Name_Find;

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      Simulink_Var :=
        Make_Member_Designator
          (Make_Defining_Identifier
             (Get_Source_Name (Corresponding_Feature),
              False),
           Make_Defining_Identifier (Variable_Name, False),
           False);
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      return Simulink_Var;
   end Map_Simulink_Var;

   ----------------------------
   -- Map_Simulink_Init_Func --
   ----------------------------

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   function Map_Simulink_Init_Func (Subprogram : Node_Id) return Node_Id is
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   begin
      Get_Name_String (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_InitializeDataMapInfo");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Simulink_Init_Func;

   -----------------------------
   -- Map_Simulink_Model_Type --
   -----------------------------

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   function Map_Simulink_Model_Type (Subprogram : Node_Id) return Node_Id is
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   begin

      Set_Str_To_Name_Buffer ("RT_MODEL_");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Simulink_Model_Type;

   -------------------------
   -- Map_Simulink_Header --
   -------------------------

   function Map_Simulink_Header (Subprogram : Node_Id) return Node_Id is
      N : Name_Id;
   begin

      N := Get_Source_Name (Subprogram);

      if N = No_Name then
         return No_Node;
      end if;

      Get_Name_String (N);
      Add_Str_To_Name_Buffer ("_capi");

      return CTU.Make_Defining_Identifier (Name_Find);
   end Map_Simulink_Header;

   ---------------------
   -- Map_Source_Name --
   ---------------------

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   function Map_Source_Name (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Source_Name;

   -----------------------------
   -- Map_Lustre_Context_Name --
   -----------------------------

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   function Map_Lustre_Context_Name (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_context");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Context_Name;

   ------------------------------
   -- Map_Lustre_Context_Reset --
   ------------------------------

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   function Map_Lustre_Context_Reset (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_reset");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Context_Reset;

   -----------------------------
   -- Map_Lustre_Context_Init --
   -----------------------------

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   function Map_Lustre_Context_Init (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_new_ctx");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Context_Init;

   -----------------------------
   -- Map_Lustre_Context_Type --
   -----------------------------

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   function Map_Lustre_Context_Type (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("struct ");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_ctx");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Context_Type;

   --------------------------
   -- Map_Lustre_Step_Name --
   --------------------------

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   function Map_Lustre_Step_Name (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_step");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Step_Name;

   ------------------------------------
   -- Map_Lustre_Input_Function_Name --
   ------------------------------------

   function Map_Lustre_Input_Function_Name
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     (Subprogram : Node_Id;
      Port       : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_I_");
      Get_Name_String_And_Append (Get_Source_Name (Port));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Input_Function_Name;

   -------------------------
   -- Map_Lustre_Temp_Var --
   -------------------------

   function Map_Lustre_Temp_Var
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     (Subprogram : Node_Id;
      Port       : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_");
      Get_Name_String_And_Append (Get_Source_Name (Port));
      Add_Str_To_Name_Buffer ("_lustre_tmpvar");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Temp_Var;

   -------------------------------------
   -- Map_Lustre_Output_Function_Name --
   -------------------------------------

   function Map_Lustre_Output_Function_Name
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     (Subprogram : Node_Id;
      Port       : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_O_");
      Get_Name_String_And_Append (Get_Source_Name (Port));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Lustre_Output_Function_Name;

   ------------------------
   -- Map_Esterel_Header --
   ------------------------

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   function Map_Esterel_Header (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Location (Subprogram));
      Set_Str_To_Name_Buffer (Name_Buffer (1 .. Name_Len - 2));
      Add_Str_To_Name_Buffer ("_strl");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Esterel_Header;

   --------------------------------
   -- Map_Esterel_Reset_Function --
   --------------------------------

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   function Map_Esterel_Reset_Function (Subprogram : Node_Id) return Node_Id is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_reset");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Esterel_Reset_Function;

   --------------------------------
   -- Map_Esterel_Input_Function --
   --------------------------------

   function Map_Esterel_Input_Function
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     (Subprogram : Node_Id;
      Feature    : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_I_");
      Get_Name_String_And_Append (Get_Source_Name (Feature));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Esterel_Input_Function;

   ---------------------------------
   -- Map_Esterel_Output_Function --
   ---------------------------------

   function Map_Esterel_Output_Function
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     (Subprogram : Node_Id;
      Feature    : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_O_");
      Get_Name_String_And_Append (Get_Source_Name (Feature));

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Esterel_Output_Function;

   --------------------------
   -- Map_Esterel_Temp_Var --
   --------------------------

   function Map_Esterel_Temp_Var
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     (Subprogram : Node_Id;
      Port       : Node_Id) return Node_Id
   is
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   begin
      Set_Str_To_Name_Buffer ("");
      Get_Name_String_And_Append (Get_Source_Name (Subprogram));
      Add_Str_To_Name_Buffer ("_");
      Get_Name_String_And_Append (Get_Source_Name (Port));
      Add_Str_To_Name_Buffer ("_esterel_tmpvar");

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      return CTU.Make_Defining_Identifier (Name_Find, C_Conversion => False);
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   end Map_Esterel_Temp_Var;

   ------------------------------
   -- Map_C_Feature_Subprogram --
   ------------------------------

   function Map_C_Feature_Subprogram
     (A     : Node_Id;
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      Owner : Node_Id := No_Node) return Node_Id
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   is
      I      : Node_Id;
      Result : Node_Id;
      M      : Name_Id;
      N      : Name_Id;
   begin
      if Kind (A) /= K_Identifier then
         I := Identifier (A);
      end if;

      if Present (Owner) then
         M := CTU.To_C_Name (Display_Name (Identifier (Owner)));
      else
         M := CTU.To_C_Name (Display_Name (Identifier (Parent_Component (A))));
      end if;

      N := CTU.To_C_Name (Display_Name (I));

      Get_Name_String (M);
      Add_Char_To_Name_Buffer ('_');
      Get_Name_String_And_Append (N);

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      N      := Name_Find;
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      Result := CTU.Make_Defining_Identifier (N);

      return Result;
   end Map_C_Feature_Subprogram;

   ---------------------------------
   -- Map_C_Marshaller_Subprogram --
   ---------------------------------

   function Map_C_Marshaller_Subprogram
     (A             : Node_Id;
      Is_Unmarshall : Boolean := False;
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      Is_Request    : Boolean := False) return Node_Id
   is
      I      : Node_Id;
      Result : Node_Id;
      N      : Name_Id;
      C_Name : Name_Id;
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   begin
      I := Identifier (A);

      if Kind (A) = K_Port_Spec_Instance then
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         C_Name :=
           CTU.To_C_Name
             (Display_Name
                (Identifier (Parent_Subcomponent (Parent_Component (A)))));
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      end if;

      N := CTU.To_C_Name (Display_Name (I));

      if Is_Request then
         if Is_Unmarshall then
            Set_Str_To_Name_Buffer ("__po_hi_unmarshall_request_");
         else
            Set_Str_To_Name_Buffer ("__po_hi_marshall_request_");
         end if;
      else
         if Is_Unmarshall then
            Set_Str_To_Name_Buffer ("__po_hi_unmarshall_type_");
         else
            Set_Str_To_Name_Buffer ("__po_hi_marshall_type_");
         end if;
      end if;

      if Kind (A) = K_Port_Spec_Instance then
         Get_Name_String_And_Append (C_Name);
         Add_Str_To_Name_Buffer ("_");
      end if;

      Get_Name_String_And_Append (N);

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      N      := Name_Find;
      Result := CTU.Make_Defining_Identifier (N);
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      return Result;
   end Map_C_Marshaller_Subprogram;

   -----------------------
   -- Bind_AADL_To_Stub --
   -----------------------

   procedure Bind_AADL_To_Stub (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Stub_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Stub;

   ------------------------
   -- Bind_AADL_To_Types --
   ------------------------

   procedure Bind_AADL_To_Types (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Types_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Types;

   --------------------------------
   -- Bind_AADL_To_Default_Value --
   --------------------------------

   procedure Bind_AADL_To_Default_Value (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Default_Value_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Default_Value;

   -------------------------
   -- Bind_AADL_To_Object --
   -------------------------

   procedure Bind_AADL_To_Object (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Object_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Object;

   -----------------------------
   -- Bind_AADL_To_Marshaller --
   -----------------------------

   procedure Bind_AADL_To_Marshaller (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Marshaller_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Marshaller;

   -------------------------------
   -- Bind_AADL_To_Unmarshaller --
   -------------------------------

   procedure Bind_AADL_To_Unmarshaller (G : Node_Id; A : Node_Id) is
      N : Node_Id;
   begin
      N := AIN.Backend_Node (G);

      if No (N) then
         N := New_Node (CTN.K_HI_Tree_Bindings);
         AIN.Set_Backend_Node (G, N);
      end if;

      CTN.Set_Unmarshaller_Node (N, A);
      CTN.Set_Frontend_Node (A, G);
   end Bind_AADL_To_Unmarshaller;

   -------------------------
   -- Map_Stub_Identifier --
   -------------------------

   function Map_Stub_Identifier (E : Node_Id) return Node_Id is
   begin
      Get_Name_String (To_C_Name (AIN.Display_Name (Identifier (E))));
      Add_Str_To_Name_Buffer ("_stub");
      return Make_Defining_Identifier (Name_Find);
   end Map_Stub_Identifier;

   ---------------------------
   -- Map_C_Subprogram_Spec --
   ---------------------------

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1951
   function Map_C_Subprogram_Spec