ocarina-backends-po_hi_c-marshallers.adb 71.3 KB
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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--                  OCARINA.BACKENDS.PO_HI_C.MARSHALLERS                    --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
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--          Copyright (C) 2008-2010, European Space Agency (ESA).           --
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--                                                                          --
-- Ocarina  is free software;  you  can  redistribute  it and/or  modify    --
-- it under terms of the GNU General Public License as published by the     --
-- Free Software Foundation; either version 2, or (at your option) any      --
-- later version. 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. See the GNU General --
-- Public License for more details. You should have received  a copy of the --
-- GNU General Public License distributed with Ocarina; see file COPYING.   --
-- If not, write to the Free Software Foundation, 51 Franklin Street, Fifth --
-- Floor, Boston, MA 02111-1301, USA.                                       --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable to be   --
-- covered  by the  GNU  General  Public  License. This exception does not  --
-- however invalidate  any other reasons why the executable file might be   --
-- covered by the GNU Public License.                                       --
--                                                                          --
--                 Ocarina is maintained by the Ocarina team                --
--                       (ocarina-users@listes.enst.fr)                     --
--                                                                          --
------------------------------------------------------------------------------

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with Namet; use Namet;

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

with Ocarina.Backends.Utils;
with Ocarina.Backends.Properties;
with Ocarina.Backends.Messages;
with Ocarina.Backends.C_Tree.Nutils;
with Ocarina.Backends.C_Tree.Nodes;
with Ocarina.Backends.C_Values;
with Ocarina.Backends.C_Common.Mapping;
with Ocarina.Backends.PO_HI_C.Runtime;

package body Ocarina.Backends.PO_HI_C.Marshallers is

   use Ocarina.ME_AADL;
   use Ocarina.ME_AADL.AADL_Instances.Nodes;
   use Ocarina.ME_AADL.AADL_Instances.Entities;
   use Ocarina.Backends.Utils;
   use Ocarina.Backends.Properties;
   use Ocarina.Backends.Messages;
   use Ocarina.Backends.C_Tree.Nutils;
   use Ocarina.Backends.C_Common.Mapping;
   use Ocarina.Backends.PO_HI_C.Runtime;

   package AAU renames Ocarina.ME_AADL.AADL_Instances.Nutils;
   package CTN renames Ocarina.Backends.C_Tree.Nodes;
   package CTU renames Ocarina.Backends.C_Tree.Nutils;
   package CV renames Ocarina.Backends.C_Values;

   Marshaller_Request_Spec   : Node_Id;
   Unmarshaller_Request_Spec : Node_Id;

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   Marshaller_Asn1_Request_Spec     : Node_Id;
   Unmarshaller_Asn1_Request_Spec   : Node_Id;

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   -----------------
   -- Header_File --
   -----------------

   package body Header_File is

      procedure Visit_Architecture_Instance (E : Node_Id);
      procedure Visit_Component_Instance (E : Node_Id);
      procedure Visit_System_Instance (E : Node_Id);
      procedure Visit_Process_Instance (E : Node_Id);
      procedure Visit_Thread_Instance (E : Node_Id);
      procedure Visit_Subprogram_Instance (E : Node_Id);
      procedure Visit_Data_Instance (E : Node_Id);
      function Marshall_Type_Spec (E : Node_Id) return Node_Id;
      function Unmarshall_Type_Spec (E : Node_Id) return Node_Id;
      function Marshall_Request_Spec (E : Node_Id) return Node_Id;
      function Unmarshall_Request_Spec (E : Node_Id) return Node_Id;

      ---------------------------
      -- Marshall_Request_Spec --
      ---------------------------

      function Marshall_Request_Spec (E : Node_Id) return Node_Id is
         N          : Node_Id;
         Parameters : constant List_Id := New_List (CTN.K_Parameter_List);
      begin
         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Request)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Request_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Uint32_T))),
            Parameters);

         N := Make_Function_Specification
           (Defining_Identifier => Map_C_Marshaller_Subprogram
              (E, Is_Request => True),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void)
           );
         return N;
      end Marshall_Request_Spec;

      -----------------------------
      -- Unmarshall_Request_Spec --
      -----------------------------

      function Unmarshall_Request_Spec (E : Node_Id) return Node_Id is
         N          : Node_Id;
         Parameters : constant List_Id := New_List (CTN.K_Parameter_List);
      begin
         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Request)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Request_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Uint32_T))),
            Parameters);

         N := Make_Function_Specification
           (Defining_Identifier => Map_C_Marshaller_Subprogram
              (E, Is_Request => True, Is_Unmarshall => True),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void)
           );
         return N;
      end Unmarshall_Request_Spec;

      ------------------------
      -- Marshall_Type_Spec --
      ------------------------

      function Marshall_Type_Spec (E : Node_Id) return Node_Id is
         N          : Node_Id;
         Parameters : constant List_Id := New_List (CTN.K_Parameter_List);
      begin

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Value)),
             Parameter_Type =>
               Map_C_Defining_Identifier (E)),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Uint32_T))),
            Parameters);

         N := Make_Function_Specification
           (Defining_Identifier => Map_C_Marshaller_Subprogram (E),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void)
           );
         return N;
      end Marshall_Type_Spec;

      --------------------------
      -- Unmarshall_Type_Spec --
      --------------------------

      function Unmarshall_Type_Spec (E : Node_Id) return Node_Id is
         N          : Node_Id;
         Parameters : constant List_Id := New_List (CTN.K_Parameter_List);
      begin

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Value)),
             Parameter_Type =>
               Make_Pointer_Type
               (Map_C_Defining_Identifier (E))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Uint32_T))),
            Parameters);

         N := Make_Function_Specification
           (Defining_Identifier => Map_C_Marshaller_Subprogram
              (E, Is_Unmarshall => True),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void)
           );
         return N;
      end Unmarshall_Type_Spec;

      -----------
      -- Visit --
      -----------

      procedure Visit (E : Node_Id) is
      begin
         case Kind (E) is
            when K_Architecture_Instance =>
               Visit_Architecture_Instance (E);

            when K_Component_Instance =>
               Visit_Component_Instance (E);

            when others =>
               null;
         end case;
      end Visit;

      ---------------------------------
      -- Visit_Architecture_Instance --
      ---------------------------------

      procedure Visit_Architecture_Instance (E : Node_Id) is
      begin
         Visit (Root_System (E));
      end Visit_Architecture_Instance;

      ------------------------------
      -- Visit_Component_Instance --
      ------------------------------

      procedure Visit_Component_Instance (E : Node_Id) is
         Category : constant Component_Category
           := Get_Category_Of_Component (E);
      begin
         case Category is
            when CC_System =>
               Visit_System_Instance (E);

            when CC_Process =>
               Visit_Process_Instance (E);

            when CC_Thread =>
               Visit_Thread_Instance (E);

            when CC_Data =>
               Visit_Data_Instance (E);

            when CC_Subprogram =>
               Visit_Subprogram_Instance (E);

            when others =>
               null;
         end case;
      end Visit_Component_Instance;

      -------------------------
      -- Visit_Data_Instance --
      -------------------------

      procedure Visit_Data_Instance (E : Node_Id) is
         N : Node_Id;
         S : Node_Id;
      begin
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         Add_Include (RH (RH_Types));

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         if No (Get_Handling (E, By_Name, H_C_Marshall_Spec)) then
            N := Marshall_Type_Spec (E);
            Set_Handling (E, By_Name, H_C_Marshall_Spec, N);
            Append_Node_To_List (N, CTN.Declarations (Current_File));
         end if;

         if No (Get_Handling (E, By_Name, H_C_Unmarshall_Spec)) then
            N := Unmarshall_Type_Spec (E);
            Set_Handling (E, By_Name, H_C_Unmarshall_Spec, N);
            Append_Node_To_List (N, CTN.Declarations (Current_File));
         end if;

         Bind_AADL_To_Marshaller
           (Identifier (E),
            Get_Handling (E, By_Name, H_C_Marshall_Spec));

         Bind_AADL_To_Unmarshaller
           (Identifier (E),
            Get_Handling (E, By_Name, H_C_Unmarshall_Spec));

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;
      end Visit_Data_Instance;

      ----------------------------
      -- Visit_Process_Instance --
      ----------------------------

      procedure Visit_Process_Instance (E : Node_Id) is
         U : constant Node_Id := CTN.Distributed_Application_Unit
           (CTN.Naming_Node (Backend_Node (Identifier (E))));
         P : constant Node_Id := CTN.Entity (U);
         S : Node_Id;
         Parameters    : List_Id;
      begin
         Push_Entity (P);
         Push_Entity (U);
         Set_Marshallers_Header;

         --  Start recording the handling since they have to be reset
         --  for each node.

         Start_Recording_Handlings;

         --  Visit all the subcomponents of the process

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;

         --  Make the main marshall_request function

         Parameters := New_List (CTN.K_Parameter_List);
         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Request)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Request_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Marshaller_Request_Spec := Make_Function_Specification
           (Defining_Identifier => RE (RE_Marshall_Request),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void));
         Append_Node_To_List (Marshaller_Request_Spec,
                              CTN.Declarations (Current_File));

         --  Make the main unmarshall_request function

         Parameters := New_List (CTN.K_Parameter_List);
         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Request)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Request_T))),
            Parameters);

         Append_Node_To_List
           (Make_Parameter_Specification
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Message)),
             Parameter_Type =>
               Make_Pointer_Type (RE (RE_Msg_T))),
            Parameters);

         Unmarshaller_Request_Spec := Make_Function_Specification
           (Defining_Identifier => RE (RE_Unmarshall_Request),
            Parameters          => Parameters,
            Return_Type         => New_Node (CTN.K_Void));
         Append_Node_To_List (Unmarshaller_Request_Spec,
                              CTN.Declarations (Current_File));

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         if Use_ASN1_Deployment then
         --  Make the main marshall_asn1_request function

            Parameters := New_List (CTN.K_Parameter_List);
            Append_Node_To_List
            (Make_Parameter_Specification
             (Defining_Identifier =>
              Make_Defining_Identifier (PN (P_Request)),
              Parameter_Type =>
              Make_Pointer_Type (RE (RE_Request_T))),
             Parameters);

            Append_Node_To_List
            (Make_Parameter_Specification
             (Defining_Identifier =>
              Make_Defining_Identifier (PN (P_Pkt)),
              Parameter_Type =>
              Make_Pointer_Type (RE (RE_Asn1_Pkt_T))),
             Parameters);

            Marshaller_Asn1_Request_Spec := Make_Function_Specification
            (Defining_Identifier => RE (RE_Marshall_Asn1_Request),
             Parameters          => Parameters,
             Return_Type         => New_Node (CTN.K_Void));
            Append_Node_To_List (Marshaller_Asn1_Request_Spec,
                                 CTN.Declarations (Current_File));

            --  Make the main unmarshall_request function

            Parameters := New_List (CTN.K_Parameter_List);
            Append_Node_To_List
            (Make_Parameter_Specification
             (Defining_Identifier =>
              Make_Defining_Identifier (PN (P_Request)),
              Parameter_Type =>
              Make_Pointer_Type (RE (RE_Request_T))),
             Parameters);

            Append_Node_To_List
            (Make_Parameter_Specification
             (Defining_Identifier =>
              Make_Defining_Identifier (PN (P_Pkt)),
             Parameter_Type =>
             Make_Pointer_Type (RE (RE_Asn1_Pkt_T))),
             Parameters);

            Unmarshaller_Asn1_Request_Spec := Make_Function_Specification
            (Defining_Identifier => RE (RE_Unmarshall_Asn1_Request),
             Parameters          => Parameters,
             Return_Type         => New_Node (CTN.K_Void));
            Append_Node_To_List (Unmarshaller_Asn1_Request_Spec,
                  CTN.Declarations (Current_File));
         end if;

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         --  Unmark all the marked types

         Reset_Handlings;

         Pop_Entity; -- U
         Pop_Entity; -- P
      end Visit_Process_Instance;

      -------------------------------
      -- Visit_Subprogram_Instance --
      -------------------------------

      procedure Visit_Subprogram_Instance (E : Node_Id) is
         F : Node_Id;
      begin
         --  Declare all necessary data types

         if not AAU.Is_Empty (Features (E)) then
            F := First_Node (Features (E));

            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance then
                  Display_Located_Error
                    (Loc (F),
                     "Port features in subprogram are not supported",
                     Fatal => True);
               end if;

               if Present (Corresponding_Instance (F)) then
                  Visit (Corresponding_Instance (F));
               end if;

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

      end Visit_Subprogram_Instance;

      ---------------------------
      -- Visit_System_Instance --
      ---------------------------

      procedure Visit_System_Instance (E : Node_Id) is
         S : Node_Id;
      begin
         Push_Entity (C_Root);

         --  Visit all the subcomponents of the system

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;

         Pop_Entity; --  C_Root
      end Visit_System_Instance;

      ---------------------------
      -- Visit_Thread_Instance --
      ---------------------------

      procedure Visit_Thread_Instance (E : Node_Id) is
         Call_Seq : Node_Id;
         Spg_Call : Node_Id;
         F        : Node_Id;
         N        : Node_Id;
      begin
         if not AAU.Is_Empty (Features (E)) then
            F := First_Node (Features (E));

            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance and then
                 Ocarina.ME_AADL.AADL_Instances.Nodes.Is_Data (F) then
                  Visit (Corresponding_Instance (F));
               end if;

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

         --  Visit all the call sequences of the thread

         if not AAU.Is_Empty (Calls (E)) then
            Call_Seq := First_Node (Calls (E));

            while Present (Call_Seq) loop
               --  For each call sequence visit all the called
               --  subprograms.

               if not AAU.Is_Empty (Subprogram_Calls (Call_Seq)) then
                  Spg_Call := First_Node (Subprogram_Calls (Call_Seq));

                  while Present (Spg_Call) loop
                     Visit (Corresponding_Instance (Spg_Call));

                     Spg_Call := Next_Node (Spg_Call);
                  end loop;
               end if;

               Call_Seq := Next_Node (Call_Seq);
            end loop;
         end if;

         if Has_Ports (E) then
            F := First_Node (Features (E));
            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance then
                  N := Marshall_Request_Spec (F);
                  Set_Handling (F, By_Name, H_C_Marshall_Spec, N);
                  Append_Node_To_List (N, CTN.Declarations (Current_File));

                  N := Unmarshall_Request_Spec (F);
                  Set_Handling (F, By_Name, H_C_Unmarshall_Spec, N);
                  Append_Node_To_List (N, CTN.Declarations (Current_File));

                  Bind_AADL_To_Marshaller
                    (Identifier (F),
                     Get_Handling (F, By_Name, H_C_Marshall_Spec));

                  Bind_AADL_To_Unmarshaller
                    (Identifier (F),
                     Get_Handling (F, By_Name, H_C_Unmarshall_Spec));
               end if;
               F := Next_Node (F);
            end loop;
         end if;

      end Visit_Thread_Instance;

   end Header_File;

   -----------------
   -- Source_File --
   -----------------

   package body Source_File is

      procedure Visit_Architecture_Instance (E : Node_Id);
      procedure Visit_Component_Instance (E : Node_Id);
      procedure Visit_System_Instance (E : Node_Id);
      procedure Visit_Process_Instance (E : Node_Id);
      procedure Visit_Thread_Instance (E : Node_Id);
      procedure Visit_Data_Instance (E : Node_Id);
      procedure Visit_Subprogram_Instance (E : Node_Id);
      function Get_Marshall_Function_Name (E : Node_Id) return Node_Id;
      function Get_Unmarshall_Function_Name (E : Node_Id) return Node_Id;

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      Asn1_Marshall_Alternatives       : List_Id;
      Asn1_Unmarshall_Alternatives     : List_Id;
      Marshall_Alternatives            : List_Id;
      Unmarshall_Alternatives          : List_Id;
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      -----------------------------
      -- Make_Marshall_Type_Body --
      -----------------------------

      function Make_Marshall_Type_Body (E : Node_Id) return Node_Id is
         Data_Representation : Supported_Data_Representation;
         C                   : Node_Id;
         N                   : Node_Id;
         Declarations        : List_Id;
         Statements          : List_Id;
         Parameters          : List_Id;
         Marshall_Spec       : constant Node_Id := CTN.Marshaller_Node
           (Backend_Node (Identifier (E)));
      begin
         --  Create the marshall function for this type

         Declarations := New_List (CTN.K_Declaration_List);
         Statements := New_List (CTN.K_Statement_List);

         Data_Representation := Get_Data_Representation (E);

         case Data_Representation is
            when Data_With_Accessors |
              Data_Struct =>
               --  For structures, the marshaller calls the
               --  marshallers of each enclosed member.

               C := First_Node (Subcomponents (E));

               while Present (C) loop
                  Visit (Corresponding_Instance (C));

                  Parameters := New_List (CTN.K_Parameter_List);
                  Append_Node_To_List
                    (Make_Member_Designator
                       (Aggregate_Name => Make_Defining_Identifier
                          (PN (P_Value)),
                        Defining_Identifier => Map_C_Defining_Identifier (C),
                        Is_Pointer => False),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Offset)),
                     Parameters);
                  N := Make_Call_Profile
                    (Get_Marshall_Function_Name (Corresponding_Instance (C)),
                     Parameters);
                  Append_Node_To_List (N, Statements);

                  C := Next_Node (C);
               end loop;

            when Data_Array |
              Data_String =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (CTU.Get_Data_Size (E),
                 Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Marshall_Array), Parameters);
               Append_Node_To_List (N, Statements);

            when Data_Enum =>
               --  In C, an enumeration constant is equivalent to an
               --  int constant, therefore we marshall the value as an
               --  __po_hi_int32 parameter.

               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Marshall_Int32), Parameters);
               Append_Node_To_List (N, Statements);

            when Data_None =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Variable_Address
                    (Make_Defining_Identifier (PN (P_Value))),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (CTU.Get_Data_Size (E),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Marshall_Array), Parameters);
               Append_Node_To_List (N, Statements);

            when others =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (Get_Marshall_Function_Name (E), Parameters);
               Append_Node_To_List (N, Statements);
         end case;

         N := Make_Function_Implementation
           (Marshall_Spec, Declarations, Statements);
         return N;
      end Make_Marshall_Type_Body;

      -------------------------------
      -- Make_Unmarshall_Type_Body --
      -------------------------------

      function Make_Unmarshall_Type_Body (E : Node_Id) return Node_Id is
         Data_Representation       : Supported_Data_Representation;
         N               : Node_Id;
         C               : Node_Id;
         Declarations    : List_Id;
         Statements      : List_Id;
         Parameters      : List_Id;
         Unmarshall_Spec : constant Node_Id := CTN.Unmarshaller_Node
           (Backend_Node (Identifier (E)));
      begin
         --  Create the unmarshall function for this type

         Declarations := New_List (CTN.K_Declaration_List);
         Statements := New_List (CTN.K_Statement_List);

         Data_Representation := Get_Data_Representation (E);

         case Data_Representation is
            when Data_With_Accessors |
              Data_Struct =>

               C := First_Node (Subcomponents (E));

               while Present (C) loop
                  Visit (Corresponding_Instance (C));

                  Parameters := New_List (CTN.K_Parameter_List);
                  Append_Node_To_List
                    (Make_Variable_Address
                       (Make_Member_Designator
                          (Aggregate_Name => Make_Defining_Identifier
                             (PN (P_Value)),
                           Defining_Identifier =>
                             Map_C_Defining_Identifier (C),
                           Is_Pointer => True)),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Offset)),
                     Parameters);
                  N := Make_Call_Profile
                    (Get_Unmarshall_Function_Name (Corresponding_Instance (C)),
                     Parameters);
                  Append_Node_To_List (N, Statements);

                  C := Next_Node (C);
               end loop;

            when Data_Array |
              Data_String =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (CTU.Get_Data_Size (E),
                 Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Unmarshall_Array), Parameters);
               Append_Node_To_List (N, Statements);

            when Data_Enum =>
               --  In C, an enumeration constant is equivalent to an
               --  int constant, therefore we unmarshall the value as
               --  an __po_hi_int32 parameter.

               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Type_Conversion
                    (Make_Pointer_Type (RE (RE_Int32_T)),
                     Make_Defining_Identifier (PN (P_Value))),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Unmarshall_Int32), Parameters);
               Append_Node_To_List (N, Statements);

            when Data_None =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                  (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (CTU.Get_Data_Size (E),
                 Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (RE (RE_Unmarshall_Array), Parameters);
               Append_Node_To_List (N, Statements);

            when others =>
               Parameters := New_List (CTN.K_Parameter_List);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Value)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Message)),
                  Parameters);
               Append_Node_To_List
                 (Make_Defining_Identifier (PN (P_Offset)),
                  Parameters);
               N := Make_Call_Profile
                 (Get_Unmarshall_Function_Name (E), Parameters);
               Append_Node_To_List (N, Statements);
         end case;

         N := Make_Function_Implementation
           (Unmarshall_Spec, Declarations, Statements);
         return N;
      end Make_Unmarshall_Type_Body;

      --------------------------------
      -- Get_Marshall_Function_Name --
      --------------------------------

      function Get_Marshall_Function_Name (E : Node_Id) return Node_Id is
         Data_Representation : constant Supported_Data_Representation
           := Get_Data_Representation (E);
         Data_Size           : constant Size_Type := Get_Data_Size (E);
         Actual_Data_Size    : constant Unsigned_Long_Long
           := To_Bytes (Data_Size);
         Number_Representation : constant Supported_Number_Representation
           := Get_Number_Representation (E);
         Is_Signed : constant Boolean
           := (Number_Representation = Representation_Signed);

      begin
         case Data_Representation is
            when Data_Boolean =>
               return (RE (RE_Marshall_Bool));

            when Data_Character =>
               return (RE (RE_Marshall_Char));

            when Data_Integer =>
               if Data_Size.S = 0 then
                  return (RE (RE_Marshall_Int));

               elsif Actual_Data_Size = 1 and then Is_Signed then
                  return (RE (RE_Marshall_Int8));

               elsif Actual_Data_Size = 1 and then not Is_Signed then
                  return (RE (RE_Marshall_Uint8));

               elsif Actual_Data_Size = 2 and then Is_Signed then
                  return (RE (RE_Marshall_Int16));

               elsif Actual_Data_Size = 2 and then not Is_Signed then
                  return (RE (RE_Marshall_Uint16));

               elsif Actual_Data_Size = 4 and then Is_Signed then
                  return (RE (RE_Marshall_Int32));

               elsif Actual_Data_Size = 4 and then not Is_Signed then
                  return (RE (RE_Marshall_Uint32));

               elsif Actual_Data_Size = 8 and then Is_Signed then
                  return (RE (RE_Marshall_Int64));

               elsif Actual_Data_Size = 8 and then not Is_Signed then
                  return (RE (RE_Marshall_Uint64));

               else
                  Display_Error ("Unsupported data size", Fatal => True);
                  return (No_Node);
               end if;

            when Data_Float | Data_Fixed =>
               if Data_Size.S = 0 then
                  return (RE (RE_Marshall_Float));

               elsif Actual_Data_Size = 4 then
                  return (RE (RE_Marshall_Float32));

               elsif Actual_Data_Size = 8 then
                  return (RE (RE_Marshall_Float64));

               else
                  Display_Error ("Unsupported data size", Fatal => True);
                  return (No_Node);
               end if;

            when others =>
               return (Map_C_Marshaller_Subprogram (E));
         end case;
      end Get_Marshall_Function_Name;

      ----------------------------------
      -- Get_Unmarshall_Function_Name --
      ----------------------------------

      function Get_Unmarshall_Function_Name (E : Node_Id) return Node_Id is
         Data_Representation : constant Supported_Data_Representation
           := Get_Data_Representation (E);
         Data_Size           : constant Size_Type := Get_Data_Size (E);
         Actual_Data_Size    : constant Unsigned_Long_Long
           := To_Bytes (Data_Size);
         Number_Representation : constant Supported_Number_Representation
           := Get_Number_Representation (E);
         Is_Signed : constant Boolean
           := (Number_Representation = Representation_Signed);

      begin
         case Data_Representation is
            when Data_Boolean =>
               return (RE (RE_Unmarshall_Bool));

            when Data_Character =>
               return (RE (RE_Unmarshall_Char));

            when Data_Integer =>
               if Data_Size.S = 0 then
                  return (RE (RE_Unmarshall_Int));

               elsif Actual_Data_Size = 1 and then Is_Signed then
                  return (RE (RE_Unmarshall_Int8));

               elsif Actual_Data_Size = 1 and then not Is_Signed then
                  return (RE (RE_Unmarshall_Uint8));

               elsif Actual_Data_Size = 2 and then Is_Signed then
                  return (RE (RE_Unmarshall_Int16));

               elsif Actual_Data_Size = 2 and then not Is_Signed then
                  return (RE (RE_Unmarshall_Uint16));

               elsif Actual_Data_Size = 4 and then Is_Signed then
                  return (RE (RE_Unmarshall_Int32));

               elsif Actual_Data_Size = 4 and then not Is_Signed then
                  return (RE (RE_Unmarshall_Uint32));

               elsif Actual_Data_Size = 8 and then Is_Signed then
                  return (RE (RE_Unmarshall_Int64));

               elsif Actual_Data_Size = 8 and then not Is_Signed then
                  return (RE (RE_Unmarshall_Uint64));

               else
                  Display_Error ("Unsupported data size", Fatal => True);
                  return (No_Node);
               end if;

            when Data_Float | Data_Fixed =>
               if Data_Size.S = 0 then
                  return (RE (RE_Unmarshall_Float));

               elsif Actual_Data_Size = 4 then
                  return (RE (RE_Unmarshall_Float32));

               elsif Actual_Data_Size = 8 then
                  return (RE (RE_Unmarshall_Float64));

               else
                  Display_Error ("Unsupported data size", Fatal => True);
                  return (No_Node);
               end if;

            when others =>
               return (Map_C_Marshaller_Subprogram
                       (E, Is_Unmarshall => True));
         end case;
      end Get_Unmarshall_Function_Name;

      -----------
      -- Visit --
      -----------

      procedure Visit (E : Node_Id) is
      begin
         case Kind (E) is
            when K_Architecture_Instance =>
               Visit_Architecture_Instance (E);

            when K_Component_Instance =>
               Visit_Component_Instance (E);

            when others =>
               null;
         end case;
      end Visit;

      ---------------------------------
      -- Visit_Architecture_Instance --
      ---------------------------------

      procedure Visit_Architecture_Instance (E : Node_Id) is
      begin
         Visit (Root_System (E));
      end Visit_Architecture_Instance;

      ------------------------------
      -- Visit_Component_Instance --
      ------------------------------

      procedure Visit_Component_Instance (E : Node_Id) is
         Category : constant Component_Category
           := Get_Category_Of_Component (E);
      begin
         case Category is
            when CC_System =>
               Visit_System_Instance (E);

            when CC_Process =>
               Visit_Process_Instance (E);

            when CC_Thread =>
               Visit_Thread_Instance (E);

            when CC_Data =>
               Visit_Data_Instance (E);

            when CC_Subprogram =>
               Visit_Subprogram_Instance (E);

            when others =>
               null;
         end case;
      end Visit_Component_Instance;

      -------------------------
      -- Visit_Data_Instance --
      -------------------------

      procedure Visit_Data_Instance (E : Node_Id) is
         N : Node_Id;
         S : Node_Id;
      begin

         Add_Include (RH (RH_Types));
         Add_Include (RH (RH_PO_HI_Types));

         if No (Get_Handling (E, By_Name, H_C_Marshall_Body)) and then
           Present (CTN.Marshaller_Node (Backend_Node (Identifier (E))))
         then
            N := Make_Marshall_Type_Body (E);
            Set_Handling (E, By_Name, H_C_Marshall_Body, N);
            Append_Node_To_List (N, CTN.Declarations (Current_File));
         end if;

         if No (Get_Handling (E, By_Name, H_C_Unmarshall_Body)) and then
           Present (CTN.Unmarshaller_Node (Backend_Node (Identifier (E))))
         then
            N := Make_Unmarshall_Type_Body (E);
               Set_Handling (E, By_Name, H_C_Unmarshall_Body, N);
               Append_Node_To_List (N, CTN.Declarations (Current_File));
         end if;

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;
      end Visit_Data_Instance;

      ----------------------------
      -- Visit_Process_Instance --
      ----------------------------

      procedure Visit_Process_Instance (E : Node_Id) is
         U : constant Node_Id := CTN.Distributed_Application_Unit
           (CTN.Naming_Node (Backend_Node (Identifier (E))));
         P : constant Node_Id := CTN.Entity (U);
         S : Node_Id;
         N : Node_Id;
         C : Node_Id;
         I : Node_Id;
         D : Node_Id;
         F : Node_Id;
         J : Node_Id;
         Declarations  : List_Id;
         Statements    : List_Id;
         Parameters    : List_Id;
      begin
         Push_Entity (P);
         Push_Entity (U);
         Set_Marshallers_Source;

         Start_Recording_Handlings;

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         Asn1_Marshall_Alternatives    := New_List (CTN.K_Alternatives_List);
         Asn1_Unmarshall_Alternatives  := New_List (CTN.K_Alternatives_List);
         Marshall_Alternatives         := New_List (CTN.K_Alternatives_List);
         Unmarshall_Alternatives       := New_List (CTN.K_Alternatives_List);
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         if not AAU.Is_Empty (Features (E)) then
            C := First_Node (Features (E));

            while Present (C) loop
               if Kind (C) = K_Port_Spec_Instance
                 and then not AAU.Is_Empty (Destinations (C))
               then
                  D := First_Node (Destinations (C));
                  while Present (D) loop
                     I := Item (D);

                     if Present (I)
                       and then Kind (I) = K_Port_Spec_Instance
                       and then not AAU.Is_Empty (Destinations (I))
                     then
                        F := First_Node (Destinations (I));
                        while Present (F) loop
                           J := Item (F);

                           if Present (J) then
                              Visit (Parent_Component (J));
                           end if;
                           F := Next_Node (F);
                        end loop;
                     end if;
                     D := Next_Node (D);
                  end loop;
               end if;

               C := Next_Node (C);
            end loop;
         end if;

         --  Visit all the subcomponents of the process

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;

         --  Make the global __po_hi_marshall_request function

         Declarations  := New_List (CTN.K_Declaration_List);
         Statements    := New_List (CTN.K_Statement_List);

         Append_Node_To_List
           (Make_Variable_Declaration
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Used_Type =>
               RE (RE_Uint32_T)),
            Declarations);

         Append_Node_To_List
           (Make_Expression
            (Left_Expr => Make_Defining_Identifier (PN (P_Offset)),
             Operator => Op_Equal,
             Right_Expr => Make_Literal
             (CV.New_Int_Value (0, 1, 10))),
            Statements);

         Parameters := New_List (CTN.K_Parameter_List);
         Append_Node_To_List
           (Make_Member_Designator
            (Defining_Identifier =>
               Make_Defining_Identifier (MN (M_Port)),
             Aggregate_Name =>
               Make_Defining_Identifier (PN (P_Request)),
             Is_Pointer => True),
            Parameters);

         Append_Node_To_List
           (Make_Defining_Identifier (PN (P_Message)),
            Parameters);

         N := Make_Call_Profile
           (RE (RE_Marshall_Port),
            Parameters);

         Append_Node_To_List (N, Statements);

         if not Is_Empty (Marshall_Alternatives) then
            N := Make_Switch_Alternative
              (No_List, No_List);
            Append_Node_To_List (N, Marshall_Alternatives);

            N := Make_Switch_Statement
              (Expression =>
                 Make_Member_Designator
               (Defining_Identifier =>
                  Make_Defining_Identifier (MN (M_Port)),
                Aggregate_Name => Make_Defining_Identifier (VN (V_Request)),
                Is_Pointer => True),
               Alternatives => Marshall_Alternatives);

         else
            N := Message_Comment
              ("No alternative was declared");
         end if;

         Append_Node_To_List (N, Statements);

         N := Make_Function_Implementation
           (Marshaller_Request_Spec,
            Declarations,
            Statements);
         Append_Node_To_List (N, CTN.Declarations (Current_File));

         --  Make the global __po_hi_unmarshall_request function

         Declarations  := New_List (CTN.K_Declaration_List);
         Statements    := New_List (CTN.K_Statement_List);

         Append_Node_To_List
           (Make_Variable_Declaration
            (Defining_Identifier =>
               Make_Defining_Identifier (PN (P_Offset)),
             Used_Type =>
               RE (RE_Uint32_T)),
            Declarations);

         Append_Node_To_List
           (Make_Expression
            (Left_Expr => Make_Defining_Identifier (PN (P_Offset)),
             Operator => Op_Equal,
             Right_Expr => Make_Literal
             (CV.New_Int_Value (0, 1, 10))),
            Statements);

         Parameters := New_List (CTN.K_Parameter_List);
         Append_Node_To_List
           (Make_Variable_Address
            (Make_Member_Designator
             (Defining_Identifier =>
                Make_Defining_Identifier (MN (M_Port)),
              Aggregate_Name =>
                Make_Defining_Identifier (PN (P_Request)),
              Is_Pointer => True)),
            Parameters);

         Append_Node_To_List
           (Make_Defining_Identifier (PN (P_Message)),
            Parameters);

         N := Make_Call_Profile
           (RE (RE_Unmarshall_Port),
            Parameters);

         Append_Node_To_List (N, Statements);

         if not Is_Empty (Unmarshall_Alternatives) then
            N := Make_Switch_Alternative
              (No_List, No_List);
            Append_Node_To_List (N, Unmarshall_Alternatives);

            N := Make_Switch_Statement
              (Expression => Make_Member_Designator
               (Defining_Identifier => Make_Defining_Identifier
                (MN (M_Port)),
                Aggregate_Name => Make_Defining_Identifier
                (VN (V_Request)),
                Is_Pointer => True),
               Alternatives => Unmarshall_Alternatives);
         else
            N := Message_Comment
              ("No alternative was declared");
         end if;

         Append_Node_To_List (N, Statements);

         N := Make_Function_Implementation
           (Unmarshaller_Request_Spec,
            Declarations,
            Statements);
         Append_Node_To_List (N, CTN.Declarations (Current_File));

         --  Unmark all the marked types

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         if Use_ASN1_Deployment then
            if not Is_Empty (Asn1_Marshall_Alternatives) then
               N := Make_Switch_Alternative
                 (No_List, No_List);
               Append_Node_To_List (N, Asn1_Marshall_Alternatives);

               N := Make_Switch_Statement
                 (Expression =>
                    Make_Member_Designator
                  (Defining_Identifier =>
                     Make_Defining_Identifier (MN (M_Port)),
                   Aggregate_Name => Make_Defining_Identifier (VN (V_Request)),
                   Is_Pointer => True),
                  Alternatives => Asn1_Marshall_Alternatives);
            else
               N := Message_Comment
                 ("No alternative was declared");
            end if;

            N := Make_Function_Implementation
            (Marshaller_Asn1_Request_Spec,
             No_List,
             Make_List_Id (N));
            Append_Node_To_List (N, CTN.Declarations (Current_File));

            if not Is_Empty (Asn1_Unmarshall_Alternatives) then
               N := Make_Switch_Alternative
                 (No_List, No_List);
               Append_Node_To_List (N, Asn1_Unmarshall_Alternatives);

               N := Make_Switch_Statement
                 (Expression =>
                    Make_Member_Designator
                  (Defining_Identifier =>
                     Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Defining_Identifier (MN (M_Kind)),
                        Aggregate_Name =>
                           Make_Defining_Identifier (MN (M_Msg))),
                   Aggregate_Name => Make_Defining_Identifier (VN (V_Pkt)),
                   Is_Pointer => True),
                  Alternatives => Asn1_Unmarshall_Alternatives);
            else
               N := Message_Comment
                 ("No alternative was declared");
            end if;

            N := Make_Function_Implementation
            (Unmarshaller_Asn1_Request_Spec,
             Make_List_Id (N),
             No_List);
            Append_Node_To_List (N, CTN.Declarations (Current_File));

         end if;

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         Reset_Handlings;

         Pop_Entity; -- U
         Pop_Entity; -- P
      end Visit_Process_Instance;

      -------------------------------
      -- Visit_Subprogram_Instance --
      -------------------------------

      procedure Visit_Subprogram_Instance (E : Node_Id) is
         F                       : Node_Id;
      begin
         --  Declare all necessary data types

         if not AAU.Is_Empty (Features (E)) then
            F := First_Node (Features (E));

            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance then
                  Display_Located_Error
                    (Loc (F),
                     "Port features in subprogram are not supported",
                     Fatal => True);
               end if;

               if Present (Corresponding_Instance (F)) then
                  Visit (Corresponding_Instance (F));
               end if;

               F := Next_Node (F);
            end loop;
         end if;
      end Visit_Subprogram_Instance;

      ---------------------------
      -- Visit_System_Instance --
      ---------------------------

      procedure Visit_System_Instance (E : Node_Id) is
         S : Node_Id;
      begin
         Push_Entity (C_Root);

         --  Visit all the subcomponents of the system

         if not AAU.Is_Empty (Subcomponents (E)) then
            S := First_Node (Subcomponents (E));
            while Present (S) loop
               --  Visit the component instance corresponding to the
               --  subcomponent S.

               Visit (Corresponding_Instance (S));
               S := Next_Node (S);
            end loop;
         end if;

         Pop_Entity; --  C_Root
      end Visit_System_Instance;

      ---------------------------
      -- Visit_Thread_Instance --
      ---------------------------

      procedure Visit_Thread_Instance (E : Node_Id) is
         Call_Seq                : Node_Id;
         Spg_Call                : Node_Id;
         F                       : Node_Id;
         N                       : Node_Id;
         D                       : Node_Id;
         Parameters              : List_Id;
         Marshall_Declarations   : List_Id;
         Unmarshall_Declarations : List_Id;
         Marshall_Statements     : List_Id;
         Unmarshall_Statements   : List_Id;
         Switch_Labels           : List_Id;
         Switch_Statements       : List_Id;
         Marshall_Spec           : Node_Id;
         Unmarshall_Spec         : Node_Id;
      begin
         if not AAU.Is_Empty (Features (E)) then
            F := First_Node (Features (E));

            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance
                 and then Ocarina.ME_AADL.AADL_Instances.Nodes.Is_Data (F)
               then
                  Visit (Corresponding_Instance (F));
               end if;

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

         --  Visit all the call sequences of the thread

         if not AAU.Is_Empty (Calls (E)) then
            Call_Seq := First_Node (Calls (E));

            while Present (Call_Seq) loop
               --  For each call sequence visit all the called
               --  subprograms.

               if not AAU.Is_Empty (Subprogram_Calls (Call_Seq)) then
                  Spg_Call := First_Node (Subprogram_Calls (Call_Seq));

                  while Present (Spg_Call) loop
                     Visit (Corresponding_Instance (Spg_Call));

                     Spg_Call := Next_Node (Spg_Call);
                  end loop;
               end if;

               Call_Seq := Next_Node (Call_Seq);
            end loop;
         end if;

         if Has_Ports (E) then
            F := First_Node (Features (E));
            while Present (F) loop
               if Kind (F) = K_Port_Spec_Instance
                 and then Ocarina.ME_AADL.AADL_Instances.Nodes.Is_Data (F)
                 and then No (Get_Handling (F, By_Node, H_C_Marshall_Body))
               then
                  Unmarshall_Spec := CTN.Unmarshaller_Node
                    (Backend_Node (Identifier (F)));
                  Marshall_Spec := CTN.Marshaller_Node
                    (Backend_Node (Identifier (F)));

                  D := Corresponding_Instance (F);

                  Marshall_Declarations   := New_List
                    (CTN.K_Declaration_List);
                  Unmarshall_Declarations := New_List
                    (CTN.K_Declaration_List);
                  Unmarshall_Statements   := New_List (CTN.K_Statement_List);
                  Marshall_Statements     := New_List (CTN.K_Statement_List);

                  Parameters := New_List (CTN.K_Parameter_List);

                  Append_Node_To_List
                    (Make_Member_Designator
                       (Defining_Identifier =>
                          Make_Member_Designator
                          (Defining_Identifier =>
                             Make_Defining_Identifier
                             (Map_C_Enumerator_Name (F)),
                           Aggregate_Name =>
                             Make_Member_Designator
                             (Defining_Identifier =>
                                Make_Defining_Identifier
                                (Map_C_Enumerator_Name (F)),
                              Aggregate_Name =>
                                       Make_Defining_Identifier
                                (MN (M_Vars)))),
                        Aggregate_Name =>
                          Make_Defining_Identifier (PN (P_Request)),
                        Is_Pointer => True),
                     Parameters);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Offset)),
                     Parameters);

                  N := Make_Call_Profile
                    (Map_C_Marshaller_Subprogram (D),
                     Parameters);

                  Append_Node_To_List
                    (N, Marshall_Statements);

                  Parameters := New_List (CTN.K_Parameter_List);
                  Append_Node_To_List
                    (Make_Variable_Address
                       (Make_Member_Designator
                          (Defining_Identifier =>
                             Make_Member_Designator
                             (Defining_Identifier =>
                                Make_Defining_Identifier
                                (Map_C_Enumerator_Name (F)),
                              Aggregate_Name =>
                                Make_Member_Designator
                                (Defining_Identifier =>
                                   Make_Defining_Identifier
                                   (Map_C_Enumerator_Name (F)),
                                      Aggregate_Name =>
                                   Make_Defining_Identifier
                                   (MN (M_Vars)))),
                           Aggregate_Name =>
                             Make_Defining_Identifier (PN (P_Request)),
                           Is_Pointer => True)),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);
                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Offset)),
                     Parameters);

                  N := Make_Call_Profile
                    (Map_C_Marshaller_Subprogram
                       (D, Is_Unmarshall => True),
                     Parameters);

                  Append_Node_To_List
                    (N, Unmarshall_Statements);

                  N := Make_Function_Implementation
                    (Marshall_Spec,
                     Marshall_Declarations,
                     Marshall_Statements);
                  Set_Handling (E, By_Name, H_C_Marshall_Body, N);
                  Set_Handling
                     (F, By_Node, H_C_Marshall_Body, N);
                  Append_Node_To_List (N, CTN.Declarations (Current_File));

                  N := Make_Function_Implementation
                    (Unmarshall_Spec,
                     Unmarshall_Declarations,
                     Unmarshall_Statements);
                  Set_Handling (F, By_Name, H_C_Unmarshall_Body, N);

                  Append_Node_To_List (N, CTN.Declarations (Current_File));

                  --  Now, add alternatives to the main switches to use
                  --  our marshallers functions.

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                  --  First, handle the generic marshallers.

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                  Switch_Statements := New_List (CTN.K_Statement_List);
                  Switch_Labels := New_List (CTN.K_Label_List);
                  Parameters := New_List (CTN.K_Parameter_List);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Request)),
                     Parameters);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);

                  Append_Node_To_List
                    (Make_Variable_Address
                       (Make_Defining_Identifier (PN (P_Offset))),
                     Parameters);

                  N := Make_Call_Profile
                    (Map_C_Marshaller_Subprogram
                       (F, Is_Request => True),
                     Parameters);

                  Append_Node_To_List
                    (N, Switch_Statements);

                  Append_Node_To_List
                    (Make_Defining_Identifier
                       (Map_C_Enumerator_Name (F)),
                     Switch_Labels);

                  N := Make_Switch_Alternative
                    (Switch_Labels, Switch_Statements);
                  Append_Node_To_List (N, Marshall_Alternatives);

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                  --  Then, handle the ASN1 marshallers
                  Switch_Statements := New_List (CTN.K_Statement_List);
                  Switch_Labels := New_List (CTN.K_Label_List);
                  Parameters := New_List (CTN.K_Parameter_List);

                  Append_Node_To_List
                    (Make_Expression
                     (Left_Expr =>
                        Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              (Make_Defining_Identifier
                                 (MN (M_Kind))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Msg))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Pkt)),
                        Is_Pointer => True),
                      Operator => Op_Equal,
                      Right_Expr =>
                        Make_Defining_Identifier
                        (Map_Port_Name_Present_For_Asn1 (F),
                         C_Conversion => False)),
                     Switch_Statements);

                  Append_Node_To_List
                      (Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              Make_Member_Designator
                                 (Defining_Identifier =>
                                    Make_Member_Designator
                                    (Defining_Identifier =>
                                       Make_Defining_Identifier
                                          (Get_String_Name ("arr")),
                                    Aggregate_Name =>
                                       (Make_Defining_Identifier
                                          (Map_Port_Name_For_Asn1 (F)))),
                                 Aggregate_Name =>
                                    (Make_Defining_Identifier
                                       (Get_String_Name ("u")))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Msg))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Pkt)),
                        Is_Pointer => True),
                     Parameters);

                  Append_Node_To_List
                     (Make_Variable_Address
                      (Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              Make_Member_Designator
                                 (Defining_Identifier =>
                                    (Make_Defining_Identifier
                                       (Map_C_Enumerator_Name (F))),
                                 Aggregate_Name =>
                                    (Make_Defining_Identifier
                                       (Map_C_Enumerator_Name (F)))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Vars))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Request)),
                        Is_Pointer => True)),
                     Parameters);
                  Append_Node_To_List
                    (Get_Data_Size (Corresponding_Instance (F)),
                     Parameters);

                  N := Make_Call_Profile
                    (RE (RE_Copy_Array),
                     Parameters);

                  Append_Node_To_List
                    (N, Switch_Statements);

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julien.delange committed
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                  Append_Node_To_List
                    (Make_Expression
                     (Left_Expr =>
                      Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              Make_Member_Designator
                                 (Defining_Identifier =>
                                    Make_Member_Designator
                                    (Defining_Identifier =>
                                       Make_Defining_Identifier
                                          (Get_String_Name ("nCount"),
                                          C_Conversion => False),
                                    Aggregate_Name =>
                                       (Make_Defining_Identifier
                                          (Map_Port_Name_For_Asn1 (F)))),
                                 Aggregate_Name =>
                                    (Make_Defining_Identifier
                                       (Get_String_Name ("u")))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Msg))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Pkt)),
                        Is_Pointer => True),
                      Operator => Op_Equal,
                      Right_Expr => Get_Data_Size
                        (Corresponding_Instance (F))),
                     Switch_Statements);

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                  Append_Node_To_List
                    (Make_Defining_Identifier
                       (Map_C_Enumerator_Name (F)),
                     Switch_Labels);

                  N := Make_Switch_Alternative
                    (Switch_Labels, Switch_Statements);
                  Append_Node_To_List (N, Asn1_Marshall_Alternatives);

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                  --  Make the alternative for the global unmarshall_request
                  --  function.

                  Switch_Statements := New_List (CTN.K_Statement_List);
                  Switch_Labels := New_List (CTN.K_Label_List);
                  Parameters := New_List (CTN.K_Parameter_List);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Request)),
                     Parameters);

                  Append_Node_To_List
                    (Make_Defining_Identifier (PN (P_Message)),
                     Parameters);

                  Append_Node_To_List
                    (Make_Variable_Address
                       (Make_Defining_Identifier (PN (P_Offset))),
                     Parameters);

                  N := Make_Call_Profile
                    (Map_C_Marshaller_Subprogram
                       (F, Is_Request => True, Is_Unmarshall => True),
                     Parameters);

                  Append_Node_To_List
                    (N, Switch_Statements);

                  Append_Node_To_List
                    (Make_Defining_Identifier
                       (Map_C_Enumerator_Name (F)),
                     Switch_Labels);

                  N := Make_Switch_Alternative
                    (Switch_Labels, Switch_Statements);
                  Append_Node_To_List (N, Unmarshall_Alternatives);

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                  --  Then, handle the ASN1 unmarshallers
                  Switch_Statements := New_List (CTN.K_Statement_List);
                  Switch_Labels := New_List (CTN.K_Label_List);
                  Parameters := New_List (CTN.K_Parameter_List);

                  Append_Node_To_List
                    (Make_Expression
                     (Left_Expr =>
                        Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Defining_Identifier (PN (P_Port)),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Request)),
                        Is_Pointer => True),
                      Operator => Op_Equal,
                      Right_Expr =>
                        Make_Defining_Identifier
                        (Map_C_Enumerator_Name (F))),
                     Switch_Statements);

                  Append_Node_To_List
                     (Make_Variable_Address
                      (Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              Make_Member_Designator
                                 (Defining_Identifier =>
                                    (Make_Defining_Identifier
                                       (Map_C_Enumerator_Name (F))),
                                 Aggregate_Name =>
                                    (Make_Defining_Identifier
                                       (Map_C_Enumerator_Name (F)))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Vars))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Request)),
                        Is_Pointer => True)),
                     Parameters);

                  Append_Node_To_List
                      (Make_Member_Designator
                        (Defining_Identifier =>
                           Make_Member_Designator
                           (Defining_Identifier =>
                              Make_Member_Designator
                                 (Defining_Identifier =>
                                    Make_Member_Designator
                                    (Defining_Identifier =>
                                       Make_Defining_Identifier
                                          (Get_String_Name ("arr")),
                                    Aggregate_Name =>
                                       (Make_Defining_Identifier
                                          (Map_Port_Name_For_Asn1 (F)))),
                                 Aggregate_Name =>
                                    (Make_Defining_Identifier
                                       (Get_String_Name ("u")))),
                           Aggregate_Name =>
                              Make_Defining_Identifier (MN (M_Msg))),
                        Aggregate_Name =>
                           Make_Defining_Identifier (VN (V_Pkt)),
                        Is_Pointer => True),
                     Parameters);

                  Append_Node_To_List
                    (Get_Data_Size (Corresponding_Instance (F)),
                     Parameters);

                  N := Make_Call_Profile
                    (RE (RE_Copy_Array),
                     Parameters);

                  Append_Node_To_List
                    (N, Switch_Statements);

                  Append_Node_To_List
                     (Make_Defining_Identifier
                        (Map_Port_Name_Present_For_Asn1 (F),
                         C_Conversion => False),
                     Switch_Labels);

                  N := Make_Switch_Alternative
                    (Switch_Labels, Switch_Statements);
                  Append_Node_To_List (N, Asn1_Unmarshall_Alternatives);

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               end if;
               F := Next_Node (F);
            end loop;
         end if;
      end Visit_Thread_Instance;

   end Source_File;

end Ocarina.Backends.PO_HI_C.Marshallers;