ocarina-backends-utils.adb 119 KB
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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--               O C A R I N A . B A C K E N D S . U T I L S                --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
9
--               Copyright (C) 2005-2010, GET-Telecom Paris.                --
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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)                     --
--                                                                          --
------------------------------------------------------------------------------

with GNAT.OS_Lib;
with GNAT.Directory_Operations;
with GNAT.Table;

with Namet;
with Locations;

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_Instances.Nodes;
with Ocarina.ME_AADL.AADL_Instances.Nutils;
with Ocarina.ME_AADL.AADL_Instances.Entities;
with Ocarina.Backends.Messages;
with Ocarina.Backends.Ada_Tree.Nodes;
with Ocarina.Backends.Ada_Tree.Nutils;
with Ocarina.Backends.Ada_Values;

package body Ocarina.Backends.Utils is

   package ATN renames Ocarina.ME_AADL.AADL_Tree.Nodes;
   package ATU renames Ocarina.ME_AADL.AADL_Tree.Nutils;
   package AIN renames Ocarina.ME_AADL.AADL_Instances.Nodes;
   package AAU renames Ocarina.ME_AADL.AADL_Instances.Nutils;
   package ADN renames Ocarina.Backends.Ada_Tree.Nodes;
   package ADU renames Ocarina.Backends.Ada_Tree.Nutils;
   package ADV renames Ocarina.Backends.Ada_Values;

   use GNAT.OS_Lib;
   use GNAT.Directory_Operations;
   use Namet;
   use Locations;
   use Ocarina.ME_AADL;
   use Ocarina.ME_AADL.AADL_Instances.Nodes;
   use Ocarina.ME_AADL.AADL_Instances.Nutils;
   use Ocarina.ME_AADL.AADL_Instances.Entities;
   use Ocarina.Backends.Messages;
   use Ocarina.Backends.Ada_Tree.Nutils;

   --  The entered directories stack

   package Directories_Stack is new GNAT.Table
     (Name_Id, Int, 1, 5, 10);

   function Get_Handling_Internal_Name
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind)
     return Name_Id;
   --  Code factorisation between Set_Handling and Get_Handling. This
   --  function computes an internal name used to store the handling
   --  information.

   function Map_Ada_Subprogram_Status_Name (S : Node_Id) return Name_Id;
   --  Maps an name for the record type corresponding to a hybrid
   --  subprogram.

   function Map_Ada_Call_Seq_Access_Name (S : Node_Id) return Name_Id;
   --  Maps an name for the subprogram access type corresponding to a
   --  hybrid subprogram.

   function Map_Ada_Call_Seq_Subprogram_Name
     (Spg : Node_Id;
      Seq : Node_Id)
     return Name_Id;
   --  Maps an name for the subprogram corresponding to a hybrid
   --  subprogram call sequence.

   type Repository_Entry is record
      E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind;
      A          : Node_Id;
   end record;
   --  One entry of the internal handling repository

   Recording_Requested : Boolean := False;

   package Handling_Repository is new GNAT.Table
     (Repository_Entry, Int, 1, 5, 10);
   --  The internal handling repository

   procedure May_Be_Append_Handling_Entry
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind;
      A          : Node_Id);
   --  Add a new entry corresponding to the given parameters to the
   --  internal handling repository. The addition is only done in case
   --  the user requested explicitely the recording of handling

   function Bind_Transport_API_Internal_Name (P : Node_Id) return Name_Id;
   --  For code factorization purpose

   ----------------------
   -- Create_Directory --
   ----------------------

   procedure Create_Directory (Dir_Full_Name : Name_Id) is
      Dir_Full_String : constant String := Get_Name_String (Dir_Full_Name);
   begin
      if Is_Regular_File (Dir_Full_String)
        or else Is_Symbolic_Link (Dir_Full_String)
      then
         Display_Error
           ("Cannot create "
            & Dir_Full_String
            & " because there is a file with the same name",
            Fatal => True);
         return;
      end if;

      if Is_Directory (Dir_Full_String) then
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         if Dir_Full_String /= "." then
            Display_Error
              (Dir_Full_String
                 & " already exists",
               Fatal   => False,
               Warning => True);
         end if;
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         return;
      end if;

      --  The directory name does not clash with anything, create it

      Make_Dir (Dir_Full_String);
   end Create_Directory;

   ---------------------
   -- Enter_Directory --
   ---------------------

   procedure Enter_Directory (Dirname : Name_Id) is
      use Directories_Stack;

      Current_Directory : constant Name_Id :=
        Get_String_Name (Get_Current_Dir);
   begin
      Increment_Last;
      Table (Last) := Current_Directory;
      Display_Debug_Message
        ("Left    : " & Get_Name_String (Current_Directory));
      Change_Dir (Get_Name_String (Dirname));
      Display_Debug_Message ("Entered : " & Get_Name_String (Dirname));
   end Enter_Directory;

   ---------------------
   -- Leave_Directory --
   ---------------------

   procedure Leave_Directory is
      use Directories_Stack;

      Last_Directory : constant Name_Id :=
        Table (Last);
   begin
      Decrement_Last;
      Display_Debug_Message ("Left    : " & Get_Current_Dir);
      Change_Dir (Get_Name_String (Last_Directory));
      Display_Debug_Message ("Entered : " & Get_Name_String (Last_Directory));
   end Leave_Directory;

   -----------------------------
   -- Add_Directory_Separator --
   -----------------------------

   function Add_Directory_Separator (Path : Name_Id) return Name_Id is
   begin
      Get_Name_String (Path);
      if Name_Buffer (Name_Len) /= Directory_Separator then
         Add_Char_To_Name_Buffer (Directory_Separator);
      end if;
      return Name_Find;
   end Add_Directory_Separator;

   --------------------------------
   -- Remove_Directory_Separator --
   --------------------------------

   function Remove_Directory_Separator (Path : Name_Id) return Name_Id is
   begin
      Get_Name_String (Path);

      if Name_Buffer (Name_Len) = Directory_Separator then
         Name_Len := Name_Len - 1;
      end if;
      return Name_Find;
   end Remove_Directory_Separator;

   ----------------------------------
   -- May_Be_Append_Handling_Entry --
   ----------------------------------

   procedure May_Be_Append_Handling_Entry
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind;
      A          : Node_Id)
   is
      package HR renames Handling_Repository;
      The_Entry : constant Repository_Entry :=
        Repository_Entry'(E          => E,
                          Comparison => Comparison,
                          Handling   => Handling,
                          A          => A);
   begin
      if Recording_Requested then
         HR.Increment_Last;
         HR.Table (HR.Last) := The_Entry;
      end if;
   end May_Be_Append_Handling_Entry;

   -------------------------------
   -- Start_Recording_Handlings --
   -------------------------------

   procedure Start_Recording_Handlings is
   begin
      if Recording_Requested then
         raise Program_Error with
           "Consecutive calls to Start_Recording_Handlings are forbidden";
      else
         Recording_Requested := True;
      end if;
   end Start_Recording_Handlings;

   ------------------------------
   -- Stop_Recording_Handlings --
   ------------------------------

   procedure Stop_Recording_Handlings is
   begin
      Recording_Requested := False;
   end Stop_Recording_Handlings;

   ---------------------
   -- Reset_Handlings --
   ---------------------

   procedure Reset_Handlings is
      package HR renames Handling_Repository;

      Index     : Int := HR.First;
      The_Entry : Repository_Entry;
   begin
      --  Disable the user handling request. It is important to do
      --  this at the beginning to avoid adding new entries when
      --  resetting.

      Recording_Requested := False;

      while Index <= HR.Last loop
         The_Entry := HR.Table (Index);

         --  Reset the handling information

         Set_Handling
           (The_Entry.E,
            The_Entry.Comparison,
            The_Entry.Handling,
            No_Node);

         Index := Index + 1;
      end loop;

      --  Deallocate and reinitialize the repository

      HR.Free;
      HR.Init;
   end Reset_Handlings;

   --------------------
   -- Normalize_Name --
   --------------------

   function Normalize_Name (Name : Name_Id; Ada_Style : Boolean := False)
                           return Name_Id is
      Normalized_Name : Name_Id;
   begin
      --  FIXME: The algorithm does not ensure a bijection between
      --  the input and the output. It should be improved.

      if Name = No_Name then
         Normalized_Name := Name;
      else
         declare
            Initial_Name : constant String := Get_Name_String (Name);
         begin
            Name_Len := 0;

            for Index in Initial_Name'First .. Initial_Name'Last loop
               if Initial_Name (Index) = '.' then
                  Add_Char_To_Name_Buffer ('_');
                  if Ada_Style then
                     Add_Char_To_Name_Buffer ('_');
                  end if;
               elsif Initial_Name (Index) = '-' then
                  Add_Char_To_Name_Buffer ('_');
                  if Ada_Style then
                     Add_Char_To_Name_Buffer ('_');
                  end if;
               else
                  Add_Char_To_Name_Buffer (Initial_Name (Index));
               end if;
            end loop;

            Normalized_Name := Name_Find;
         end;
      end if;

      return Normalized_Name;
   end Normalize_Name;

   ------------------
   -- Is_Namespace --
   ------------------

   function Is_Namespace (N : Node_Id) return Boolean is
   begin
      return Kind (N) = K_Namespace_Instance;
   end Is_Namespace;

   ----------------
   -- Is_Delayed --
   ----------------

   function Is_Delayed (E : Node_Id) return Boolean is
      C : Node_Id;
      S : Node_Id;
   begin
      pragma Assert
        (Kind (E) = K_Port_Spec_Instance and then not Is_Event (E));

      if not AAU.Is_Empty (Sources (E)) then
         C := Extra_Item (First_Node (Sources (E)));

         case AADL_Version is
            when AADL_V1 =>
               if ATN.Category (Corresponding_Declaration (C))
                 = Connection_Type'Pos (CT_Data_Delayed)
               then
                  return True;
               else
                  --  Recurse through the connection path

                  S := Item (First_Node (Sources (E)));

                  return S /= E                     and then
                    Kind (S) = K_Port_Spec_Instance and then
                    Is_Delayed (S);
               end if;

            when AADL_V2 =>
               if Get_Port_Timing (E) = Port_Timing_Delayed then
                  return True;
               else
                  --  Recurse through the connection path

                  S := Item (First_Node (Sources (E)));

                  return S /= E                     and then
                    Kind (S) = K_Port_Spec_Instance and then
                    Is_Delayed (S);
               end if;
         end case;
      end if;

      return False;
   end Is_Delayed;

   -----------------------
   -- Has_In_Parameters --
   -----------------------

   function Has_In_Parameters (E : Node_Id) return Boolean is
      F : Node_Id;
   begin
      if not AAU.Is_Empty (Features (E)) then
         F := First_Node (Features (E));

         while Present (F) loop
            if Kind (F) = K_Parameter_Instance and then Is_In (F) then
               return True;
            end if;

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

      return False;
   end Has_In_Parameters;

   ------------------------
   -- Has_Out_Parameters --
   ------------------------

   function Has_Out_Parameters (E : Node_Id) return Boolean is
      F : Node_Id;
   begin
      if not AAU.Is_Empty (Features (E)) then
         F := First_Node (Features (E));

         while Present (F) loop
            if Kind (F) = K_Parameter_Instance and then Is_Out (F) then
               return True;
            end if;

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

      return False;
   end Has_Out_Parameters;

   ------------------
   -- Has_In_Ports --
   ------------------

   function Has_In_Ports (E : Node_Id) return Boolean is
      F : 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 Is_In (F) then
               return True;
            end if;

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

      return False;
   end Has_In_Ports;

   ------------------------
   -- Has_In_Event_Ports --
   ------------------------

   function Has_In_Event_Ports (E : Node_Id) return Boolean is
      F : 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
              Is_In (F)                        and then
              Is_Event (F)
            then
               return True;
            end if;

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

      return False;
   end Has_In_Event_Ports;

   -------------------
   -- Has_Out_Ports --
   -------------------

   function Has_Out_Ports (E : Node_Id) return Boolean is
      F : 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 Is_Out (F) then
               return True;
            end if;

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

      return False;
   end Has_Out_Ports;

   -------------------------
   -- Has_Out_Event_Ports --
   -------------------------

   function Has_Out_Event_Ports (E : Node_Id) return Boolean is
      F : 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
              Is_Out (F)                       and then
              Is_Event (F)
            then
               return True;
            end if;

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

      return False;
   end Has_Out_Event_Ports;

   ---------------
   -- Has_Ports --
   ---------------

   function Has_Ports (E : Node_Id) return Boolean is
      F : 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 then
               return True;
            end if;

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

      return False;
   end Has_Ports;

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   ----------------------
   -- Has_Output_Ports --
   ----------------------

   function Has_Output_Ports (E : Node_Id) return Boolean is
      F : 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
               Is_Out (F) then
               return True;
            end if;

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

      return False;
   end Has_Output_Ports;

   ---------------------
   -- Has_Input_Ports --
   ---------------------

   function Has_Input_Ports (E : Node_Id) return Boolean is
      F : 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
               Is_In (F) then
               return True;
            end if;

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

      return False;
   end Has_Input_Ports;

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   ---------------
   -- Has_Modes --
   ---------------

   function Has_Modes (E : Node_Id) return Boolean is
   begin
      pragma Assert (Kind (E) = K_Component_Instance);

      return not AAU.Is_Empty (Modes (E));
   end Has_Modes;

   ----------------------
   -- Get_Source_Ports --
   ----------------------

   function Get_Source_Ports (P : Node_Id) return List_Id is
      function Rec_Get_Source_Ports
        (P : Node_Id;
         B : Node_Id := No_Node)
        return List_Id;
      --  Recursive internal routine

      --------------------------
      -- Rec_Get_Source_Ports --
      --------------------------

      function Rec_Get_Source_Ports
        (P : Node_Id;
         B : Node_Id := No_Node)
        return List_Id
      is
         Result : constant List_Id := New_List (K_List_Id, No_Location);
         C      : Node_Id;
         S      : Node_Id;
         Bus    : Node_Id;
      begin
         if AAU.Is_Empty (Sources (P)) then
            AAU.Append_Node_To_List
                (Make_Node_Container (P, B), Result);
         end if;

         S := First_Node (Sources (P));

         while Present (S) loop
            if Kind (Item (S)) = K_Port_Spec_Instance
              and then Parent_Component (Item (S)) /= No_Node
              and then Is_Thread (Parent_Component (Item (S)))
            then
               --  We reached our end point, append it to the result list

               AAU.Append_Node_To_List
                 (Make_Node_Container (Item (S), B), Result);
            elsif Kind (Item (S)) = K_Port_Spec_Instance
              and then Parent_Component (Item (S)) /= No_Node
              and then (Is_Process_Or_Device (Parent_Component (Item (S))))
            then

               if Is_In (Item (S)) then
                  --  See whether the connection to the process is
                  --  bound to a bus.

                  C := Extra_Item (S);

                  if No (C) then
                     --  There has been definitly a bug while
                     --  expanding connections.

                     raise Program_Error with "Wrong expansion of connections";
                  end if;

                  --  Get the bus of the connection

                  Bus := Get_Bound_Bus (C, False);
               else
                  Bus := No_Node;
               end if;

               if Present (B) and then Present (Bus) and then B /= Bus then
                  Display_Located_Error
                    (Loc (C),
                     "This connection is involved in a data flow"
                     & " mapped to several different buses",
                     Fatal => True);
               end if;

               --  Fetch recursively all the sources of S

               AAU.Append_Node_To_List
                 (First_Node (Rec_Get_Source_Ports (Item (S), Bus)), Result);
            else
               Display_Located_Error
                 (Loc (P),
                  "This port has a source of a non supported kind",
                  Fatal => True);
            end if;

            S := Next_Node (S);
         end loop;

         return Result;
      end Rec_Get_Source_Ports;

   begin
      if AAU.Is_Empty (Sources (P)) then
         return No_List;
      else
         return Rec_Get_Source_Ports (P, No_Node);
      end if;
   end Get_Source_Ports;

   ---------------------------
   -- Get_Destination_Ports --
   ---------------------------

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   function Get_Destination_Ports
      (P             : Node_Id;
      Custom_Parent  : Node_Id := No_Node) return List_Id is
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      function Rec_Get_Destination_Ports
        (P : Node_Id;
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         B : Node_Id := No_Node;
         Custom_Parent  : Node_Id := No_Node)
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        return List_Id;
      --  Recursive internal routine

      -------------------------------
      -- Rec_Get_Destination_Ports --
      -------------------------------

      function Rec_Get_Destination_Ports
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        (P              : Node_Id;
         B              : Node_Id := No_Node;
         Custom_Parent  : Node_Id := No_Node)
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        return List_Id
      is
         Result : constant List_Id := New_List (K_List_Id, No_Location);
         C      : Node_Id;
         D      : Node_Id;
         Bus    : Node_Id;
      begin
         D := First_Node (Destinations (P));

         while Present (D) loop
            if Kind (Item (D)) = K_Port_Spec_Instance
              and then Parent_Component (Item (D)) /= No_Node
              and then Is_Thread (Parent_Component (Item (D)))
            then
               --  We reached our end point, append it to the result list

               AAU.Append_Node_To_List
                 (Make_Node_Container (Item (D), B), Result);

            elsif Kind (Item (D)) = K_Port_Spec_Instance
              and then Parent_Component (Item (D)) /= No_Node
              and then Is_Process (Parent_Component (Item (D)))
            then
               if Is_In (Item (D)) then
                  --  See whether the connection to the process is
                  --  bound to a bus.

                  C := Extra_Item (D);

                  if No (C) then
                     --  There has been definitly a bug while
                     --  expanding connections.

                     raise Program_Error with "Wrong expansion of connections";
                  end if;

                  --  Get the bus of the connection

                  Bus := Get_Bound_Bus (C, False);
               else
                  Bus := No_Node;
               end if;

               if Present (B) and then Present (Bus) and then B /= Bus then
                  Display_Located_Error
                    (Loc (C),
                     "This connection is involved in a data flow"
                     & " mapped to several different buses",
                     Fatal => True);
               end if;

               --  Fetch recursively all the destinations of D

               AAU.Append_Node_To_List
                 (First_Node
                  (Rec_Get_Destination_Ports (Item (D), Bus)), Result);

            elsif Kind (Item (D)) = K_Port_Spec_Instance
              and then Parent_Component (Item (D)) /= No_Node
              and then Is_Device (Parent_Component (Item (D)))
            then
               --  We reached our end point, append it to the result list

               AAU.Append_Node_To_List
                 (Make_Node_Container (Item (D), B), Result);
809 810 811
            elsif Custom_Parent /= No_Node and then
               Is_Device (Custom_Parent) and then
               Get_Port_By_Name (P, Custom_Parent) /= No_Node then
812

813 814 815 816 817 818 819
               AAU.Append_Node_To_List
                 (First_Node
                  (Rec_Get_Destination_Ports
                     (Get_Port_By_Name (P, Custom_Parent),
                     B,
                     No_Node)),
                  Result);
820 821 822 823 824 825 826 827 828 829 830 831 832
            else
               Display_Located_Error
                 (Loc (P),
                  "This port has a destination of a non supported kind",
                  Fatal => True);
            end if;

            D := Next_Node (D);
         end loop;

         return Result;
      end Rec_Get_Destination_Ports;
   begin
833
      return Rec_Get_Destination_Ports (P, No_Node, Custom_Parent);
834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409
   end Get_Destination_Ports;

   ----------------------
   -- Get_Actual_Owner --
   ----------------------

   function Get_Actual_Owner (Spg_Call : Node_Id) return Node_Id is
      Spg            : constant Node_Id := Corresponding_Instance (Spg_Call);
      Data_Component : Node_Id;
      F              : Node_Id;
   begin
      --  If the subprogram call is not a method return No_Node

      if AAU.Is_Empty (Path (Spg_Call)) then
         return No_Node;
      end if;

      Data_Component := Item (First_Node (Path (Spg_Call)));

      --  Traverse all the required access of the subprogram instance
      --  and find the one corresponding to the owner data component.

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

         while Present (F) loop
            if Kind (F) = K_Subcomponent_Access_Instance then
               --  FIXME: We stop at the first met feature that
               --  corresponds to our criteria.

               --  The corresponding declaration of Data_Component is
               --  always a component type and not a component
               --  implementation. However the type of the feature F
               --  may be a component type as well as a component
               --  implementation. We test both cases.

               declare
                  Dcl_Data_Component : constant Node_Id :=
                    Corresponding_Declaration (Data_Component);
                  Dcl_F              : constant Node_Id :=
                    Corresponding_Declaration (Corresponding_Instance (F));

                  use Ocarina.ME_AADL.AADL_Tree.Nodes;
               begin
                  exit when
                    (ATN.Kind (Dcl_F) = K_Component_Type and then
                     Dcl_F = Dcl_Data_Component)
                    or else
                    (ATN.Kind (Dcl_F) = K_Component_Implementation and then
                     ATN.Corresponding_Entity
                     (ATN.Component_Type_Identifier
                      (Dcl_F)) = Dcl_Data_Component);
               end;
            end if;

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

      --  If no feature matched, raise an error

      if AAU.Is_Empty (Features (Spg)) or else No (F) then
         Display_Located_Error
           (Loc (Spg),
            "Feature subprogram has not access to its owner component",
            Fatal => True);
      end if;

      return Get_Subcomponent_Access_Source (F);
   end Get_Actual_Owner;

   ---------------------------
   -- Get_Container_Process --
   ---------------------------

   function Get_Container_Process (E : Node_Id) return Node_Id is
   begin
      pragma Assert (Present (E));

      case Kind (E) is
         when K_Call_Instance =>
            return Get_Container_Process (Parent_Sequence (E));

         when K_Call_Sequence_Instance | K_Subcomponent_Instance =>
            return Get_Container_Process (Parent_Component (E));

         when others =>
            if Is_Thread (E) or else Is_Subprogram (E) then
               return Get_Container_Process (Parent_Subcomponent (E));
            elsif Is_Process (E) or else Is_Device (E) then
               return Parent_Subcomponent (E);
            else
               raise Program_Error with "Wrong node kind in "
                 & "Get_Container_Process: " & Kind (E)'Img
                 & " " & Get_Category_Of_Component (E)'Img;

            end if;
      end case;
   end Get_Container_Process;

   --------------------------
   -- Get_Container_Thread --
   --------------------------

   function Get_Container_Thread (E : Node_Id) return Node_Id is
   begin
      case Kind (E) is
         when K_Call_Instance =>
            return Get_Container_Thread (Parent_Sequence (E));

         when K_Call_Sequence_Instance =>
            return Parent_Component (E);

         when others =>
            if Is_Subprogram (E) then
               return Get_Container_Thread (Parent_Subcomponent (E));
            else
               raise Program_Error with "Wrong node kind in "
                 & "Get_Container_Thread: " & Kind (E)'Img;
            end if;
      end case;
   end Get_Container_Thread;

   --------------------------------
   -- Get_Handling_Internal_Name --
   --------------------------------

   function Get_Handling_Internal_Name
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind)
     return Name_Id
   is
   begin
      case Comparison is
         when By_Name =>
            Get_Name_String (Compute_Full_Name_Of_Instance (E));
         when By_Node =>
            Set_Nat_To_Name_Buffer (Nat (E));
      end case;

      Add_Str_To_Name_Buffer ("%Handling%" & Handling'Img);
      return Name_Find;
   end Get_Handling_Internal_Name;

   ------------------
   -- Set_Handling --
   ------------------

   procedure Set_Handling
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind;
      A          : Node_Id)
   is
      Internal_Name : constant Name_Id := Get_Handling_Internal_Name
        (E, Comparison, Handling);
   begin
      Set_Name_Table_Info (Internal_Name, Nat (A));
      May_Be_Append_Handling_Entry (E, Comparison, Handling, A);
   end Set_Handling;

   ------------------
   -- Get_Handling --
   ------------------

   function Get_Handling
     (E          : Node_Id;
      Comparison : Comparison_Kind;
      Handling   : Handling_Kind)
     return Node_Id
   is
      Internal_Name : constant Name_Id := Get_Handling_Internal_Name
        (E, Comparison, Handling);
   begin
      return Node_Id (Get_Name_Table_Info (Internal_Name));
   end Get_Handling;

   --------------------
   -- Bind_Two_Nodes --
   --------------------

   function Bind_Two_Nodes (N_1 : Node_Id; N_2 : Node_Id) return Node_Id is
      function Get_Binding_Internal_Name
        (N_1 : Node_Id;
         N_2 : Node_Id)
        return Name_Id;
      --  Return an internal name id useful for the binding

      -------------------------------
      -- Get_Binding_Internal_Name --
      -------------------------------

      function Get_Binding_Internal_Name
        (N_1 : Node_Id;
         N_2 : Node_Id)
        return Name_Id
      is
      begin
         Set_Nat_To_Name_Buffer (Nat (N_1));
         Add_Str_To_Name_Buffer ("%Binding%");
         Add_Nat_To_Name_Buffer (Nat (N_2));
         return Name_Find;
      end Get_Binding_Internal_Name;

      I_Name : constant Name_Id := Get_Binding_Internal_Name (N_1, N_2);
      N      : Node_Id;
   begin
      --  If the Bind_Two_Nodes has already been called on N_1 and
      --  N_1, return the result of the first call.

      if Get_Name_Table_Info (I_Name) /= 0 then
         return Node_Id (Get_Name_Table_Info (I_Name));
      end if;

      --  Otherwise, create a new binding node

      N := Make_Identifier
        (No_Location, No_Name, No_Name, No_Node);
      Set_Name_Table_Info (I_Name, Int (N));

      return N;
   end Bind_Two_Nodes;

   --------------------------------------
   -- Bind_Transport_API_Internal_Name --
   --------------------------------------

   function Bind_Transport_API_Internal_Name (P : Node_Id) return Name_Id is
   begin
      pragma Assert (Is_Process (P));

      Set_Nat_To_Name_Buffer (Nat (P));
      Add_Str_To_Name_Buffer ("%transport%layer%binding%");
      return Name_Find;
   end Bind_Transport_API_Internal_Name;

   ------------------------
   -- Bind_Transport_API --
   ------------------------

   procedure Bind_Transport_API
     (P : Node_Id;
      T : Supported_Transport_APIs)
   is
      I_Name : constant Name_Id := Bind_Transport_API_Internal_Name (P);
   begin
      Set_Name_Table_Byte (I_Name, Supported_Transport_APIs'Pos (T));
   end Bind_Transport_API;

   -------------------------
   -- Fetch_Transport_API --
   -------------------------

   function Fetch_Transport_API
     (P : Node_Id)
     return Supported_Transport_APIs
   is
      I_Name : constant Name_Id := Bind_Transport_API_Internal_Name (P);
   begin
      return Supported_Transport_APIs'Val (Get_Name_Table_Byte (I_Name));
   end Fetch_Transport_API;

   -------------------------------
   -- Map_Ada_Full_Feature_Name --
   -------------------------------

   function Map_Ada_Full_Feature_Name
     (E      : Node_Id;
      Suffix : Character := ASCII.NUL)
     return Name_Id
   is
   begin
      Get_Name_String (Compute_Full_Name_Of_Instance
                       (Instance         => E,
                        Display_Name     => True,
                        Keep_Root_System => False));
      Get_Name_String (ADU.To_Ada_Name (Name_Find));

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

      return Name_Find;
   end Map_Ada_Full_Feature_Name;

   ----------------------------------
   -- Map_Ada_Data_Type_Designator --
   ----------------------------------

   function Map_Ada_Data_Type_Designator (E : Node_Id) return Node_Id is
   begin
      pragma Assert (AAU.Is_Data (E));

      return ADU.Extract_Designator
        (ADN.Type_Definition_Node
         (Backend_Node
          (Identifier
           (E))));
   end Map_Ada_Data_Type_Designator;

   ---------------------------------
   -- Map_Ada_Full_Parameter_Name --
   ---------------------------------

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

      if Kind (Spg) = K_Component_Instance and then Is_Subprogram (Spg) then
         Get_Name_String (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)));

      --  Convert the name to a valid Ada identifier name

      Get_Name_String (ADU.To_Ada_Name (Name_Find));

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

      return Name_Find;
   end Map_Ada_Full_Parameter_Name;

   -----------------------------
   -- Map_Ada_Enumerator_Name --
   -----------------------------

   function Map_Ada_Enumerator_Name
     (E      : Node_Id;
      Server : Boolean := False)
     return Name_Id
   is
      Ada_Name_1 : Name_Id;
      Ada_Name_2 : Name_Id;
   begin
      pragma Assert
        (Is_Subprogram (E) or else Kind (E) = K_Subcomponent_Instance);

      if Is_Subprogram (E)
        or else Is_Process (Corresponding_Instance (E))
        or else Is_Device (Corresponding_Instance (E))
      then
         --  For subprograms and processes, the enumerator name is
         --  mapped from the entity name.

         Get_Name_String (ADU.To_Ada_Name (Display_Name (Identifier (E))));
         Add_Str_To_Name_Buffer ("_K");

      elsif Is_Thread (Corresponding_Instance (E)) then
         --  For threads, the enumerator name is mapped from the
         --  containing process or abstract component name and the
         --  thread subcomponent name.

         --  Verifiy that the thread is a subcomponent of a process,
         --  or an abstract component (in the case of threads that
         --  belong to a device driver).

         pragma Assert (Is_Process (Parent_Component (E))
                          or else Is_Abstract (Parent_Component (E)));

         if Is_Process (Parent_Component (E)) then
            Ada_Name_1 := ADU.To_Ada_Name
              (Display_Name
                 (Identifier
                    (Parent_Subcomponent
                       (Parent_Component (E)))));

         elsif Is_Abstract (Parent_Component (E)) then
            Ada_Name_1 := ADU.To_Ada_Name
              (Display_Name (Identifier (Parent_Component (E))));

         end if;

         Ada_Name_2 := ADU.To_Ada_Name (Display_Name (Identifier (E)));

         Get_Name_String (Ada_Name_1);
         Add_Char_To_Name_Buffer ('_');
         Get_Name_String_And_Append (Ada_Name_2);
         Add_Str_To_Name_Buffer ("_K");
      else
         raise Program_Error with
           "Wrong node kind for Map_Ada_Enumerator_Name " & Kind (E)'Img;
      end if;

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

      return Name_Find;
   end Map_Ada_Enumerator_Name;

   ---------------------------------
   -- Map_Ada_Defining_Identifier --
   ---------------------------------

   function Map_Ada_Defining_Identifier
     (A      : Node_Id;
      Suffix : String := "")
     return Name_Id
   is
      I      : Node_Id := A;
      N : Node_Id := No_Node;
      J : Node_Id;
      Name_List : List_Id;
   begin
      if Kind (A) /= K_Identifier then
         I := Identifier (A);
      end if;

      if Kind (A) = K_Component_Instance then
         N := Namespace (A);
      elsif Kind (A) = K_Subcomponent_Instance then
         if Present (Parent_Component (A)) then
            N := Namespace (Parent_Component (A));
         end if;
      end if;

      if N /= No_Node
        and then Display_Name (Identifier (N)) /= No_Name
        and then Get_Category_Of_Component (A) /= CC_Data
      then
         --  Use both namespace and identifier to build the Ada
         --  defining identifier, to avoid collisions in the Ada
         --  namespace.

         --  XXX Note: we do not handle data component types for now,
         --  as their mapping is unclear for now, see Code generation
         --  annex for more details.

         Name_List := AAU.Split_Name (N);

         J := First_Node (Name_List);

         if Present (J) then
            Get_Name_String (To_Ada_Name (Display_Name (J)));
            J := Next_Node (J);

            while Present (J) loop
               Add_Str_To_Name_Buffer ("_"
                                         & Get_Name_String (Display_Name (J)));
               J := Next_Node (J);
            end loop;
         end if;
         Add_Str_To_Name_Buffer ("_" & Get_Name_String (Display_Name (I)));

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

      if Suffix /= "" then
         Add_Str_To_Name_Buffer ("_" & Suffix);
      end if;

      return Name_Find;
   end Map_Ada_Defining_Identifier;

   function Map_Ada_Defining_Identifier
     (A      : Node_Id;
      Suffix : String := "")
     return Node_Id
   is
   begin
      return Make_Defining_Identifier
        (Map_Ada_Defining_Identifier (A, Suffix));
   end Map_Ada_Defining_Identifier;

   ----------------------------
   -- Map_Ada_Component_Name --
   ----------------------------

   function Map_Ada_Component_Name (F : Node_Id) return Name_Id is
   begin
      Get_Name_String (To_Ada_Name (Display_Name (Identifier (F))));
      Add_Str_To_Name_Buffer ("_DATA");
      return Name_Find;
   end Map_Ada_Component_Name;

   --------------------------------------------
   -- Map_Ada_Protected_Aggregate_Identifier --
   --------------------------------------------

   function Map_Ada_Protected_Aggregate_Identifier
     (S : Node_Id;
      A : Node_Id)
     return Node_Id
   is
      S_Name : Name_Id;
      A_Name : Name_Id;
   begin
      pragma Assert (Kind (S) = K_Subcomponent_Access_Instance and then
                     Kind (A) = K_Subcomponent_Instance);

      S_Name := To_Ada_Name (Display_Name (Identifier (S)));
      A_Name := To_Ada_Name (Display_Name (Identifier (A)));

      Get_Name_String (S_Name);
      Add_Char_To_Name_Buffer ('_');
      Get_Name_String_And_Append (A_Name);

      return Make_Defining_Identifier (Name_Find);
   end Map_Ada_Protected_Aggregate_Identifier;

   --------------------------------------
   -- Map_Ada_Default_Value_Identifier --
   --------------------------------------

   function Map_Ada_Default_Value_Identifier (D : Node_Id) return Node_Id is
      I : Node_Id;
   begin
      if Kind (D) /= K_Identifier then
         I := Identifier (D);
      end if;

      Get_Name_String (To_Ada_Name (Display_Name (I)));
      Add_Str_To_Name_Buffer ("_Default_Value");
      return Make_Defining_Identifier (Name_Find);
   end Map_Ada_Default_Value_Identifier;

   --------------------------------
   -- Map_Ada_Package_Identifier --
   --------------------------------

   function Map_Ada_Package_Identifier (E : Node_Id) return Node_Id is
      Port_Name   : Name_Id;
      Thread_Name : Name_Id;
   begin
      pragma Assert
        (AAU.Is_Data (E) or else Kind (E) = K_Port_Spec_Instance);

      if AAU.Is_Data (E) then
         Get_Name_String (To_Ada_Name (Display_Name (Identifier (E))));
      else
         Port_Name := To_Ada_Name (Display_Name (Identifier (E)));
         Thread_Name := To_Ada_Name
           (Display_Name
            (Identifier
             (Parent_Subcomponent
              (Parent_Component
               (E)))));
         Get_Name_String (Thread_Name);
         Add_Char_To_Name_Buffer ('_');
         Get_Name_String_And_Append (Port_Name);
      end if;

      Add_Str_To_Name_Buffer ("_Pkg");

      return Make_Defining_Identifier (Name_Find);
   end Map_Ada_Package_Identifier;

   -----------------------------------
   -- Map_Ada_Subprogram_Identifier --
   -----------------------------------

   function Map_Ada_Subprogram_Identifier (E : Node_Id) return Node_Id is
      Spg_Name : Name_Id;
   begin
      pragma Assert (Is_Thread (E)     or else
                     Is_Subprogram (E) or else
                     Kind (E) = K_Port_Spec_Instance);

      if Is_Subprogram (E)
        and then Get_Source_Language (E) /= Language_Ada_95
      then
1410 1411 1412
         Display_Located_Error
           (Loc (E),
            "This is not an Ada subprogram", Fatal => True);
1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574
      end if;

      --  Get the subprogram name

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

      return Map_Ada_Subprogram_Identifier (Spg_Name);
   end Map_Ada_Subprogram_Identifier;

   -----------------------------------
   -- Map_Ada_Subprogram_Identifier --
   -----------------------------------

   function Map_Ada_Subprogram_Identifier (N : Name_Id) return Node_Id is
      P_Name : Name_Id;
      Result : Node_Id;
      D      : Node_Id;
   begin
      --  Get the package implementation and add the 'with' clause

      P_Name := Unit_Name (N);

      if P_Name = No_Name then
         Display_Error
           ("You must give the subprogram implementation name", Fatal => True);
      end if;

      D := Make_Designator (P_Name);
      ADN.Set_Corresponding_Node
        (ADN.Defining_Identifier (D), New_Node (ADN.K_Package_Specification));
      Add_With_Package (D);

      --  Get the full implementation name

      Get_Name_String (Local_Name (N));
      Result := Make_Defining_Identifier (Name_Find);
      Set_Homogeneous_Parent_Unit_Name (Result, D);
      return Result;
   end Map_Ada_Subprogram_Identifier;

   -----------------------------
   -- Map_Ada_Subprogram_Spec --
   -----------------------------

   function Map_Ada_Subprogram_Spec (S : Node_Id) return Node_Id is
      Profile : constant List_Id := ADU.New_List (ADN.K_Parameter_Profile);
      Param   : Node_Id;
      Mode    : Mode_Id;
      F       : Node_Id;
      N       : Node_Id;
      D       : Node_Id;
      Field   : Node_Id;
   begin
      pragma Assert (Is_Subprogram (S));

      --  We build the parameter profile of the subprogram instance by
      --  adding:

      --  First, the parameter features mapping

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

         while Present (F) loop
            if Kind (F) = K_Parameter_Instance then
               if Is_In (F) and then Is_Out (F) then
                  Mode := Mode_Inout;
               elsif Is_Out (F) then
                  Mode := Mode_Out;
               elsif Is_In (F) then
                  Mode := Mode_In;
               else
                  Display_Located_Error
                    (Loc (F),
                     "Unspecified parameter mode",
                     Fatal => True);
               end if;

               D := Corresponding_Instance (F);

               Param := ADU.Make_Parameter_Specification
                 (Map_Ada_Defining_Identifier (F),
                  Map_Ada_Data_Type_Designator (D),
                  Mode);

               ADU.Append_Node_To_List (Param, Profile);
            end if;

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

      --  Second, the data access mapping. The data accesses are not
      --  mapped in the case of pure call sequence subprogram because
      --  they are used only to close the access chain.

      if Get_Subprogram_Kind (S) /= Subprogram_Pure_Call_Sequence then
         if not AAU.Is_Empty (Features (S)) then
            F := First_Node (Features (S));

            while Present (F) loop
               if Kind (F) = K_Subcomponent_Access_Instance then
                  case Get_Required_Data_Access (Corresponding_Instance (F)) is
                     when Access_Read_Only =>
                        Mode := Mode_In;
                     when Access_Write_Only =>
                        Mode := Mode_Out;
                     when Access_Read_Write =>
                        Mode := Mode_Inout;
                     when Access_None =>
                        --  By default, we allow read/write access

                        Mode := Mode_Inout;
                     when others =>
                        Display_Located_Error
                          (Loc (F),
                           "Unsupported required access",
                           Fatal => True);
                  end case;

                  D := Corresponding_Instance (F);

                  case Get_Data_Representation (D) is
                     when Data_Integer
                       | Data_Boolean
                       | Data_Float
                       | Data_Fixed
                       | Data_String
                       | Data_Wide_String
                       | Data_Character
                       | Data_Wide_Character
                       | Data_Array =>
                        --  If the data component is a simple data
                        --  component (not a structure), we simply add a
                        --  parameter with the computed mode and with a
                        --  type mapped from the data component.

                        Param := ADU.Make_Parameter_Specification
                          (Map_Ada_Defining_Identifier (F),
                           Map_Ada_Data_Type_Designator (D),
                           Mode);
                        ADU.Append_Node_To_List (Param, Profile);

                     when Data_Struct | Data_With_Accessors =>
                        --  If the data component is a complex data
                        --  component (which has subcomponents), we add a
                        --  parameter with the computed mode and with a
                        --  type mapped from each subcomponent type.

                        Field := First_Node (Subcomponents (D));

                        while Present (Field) loop
                           --  The parameter name is mapped from the
                           --  container data component and the data
                           --  subcomponent.

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                           if AAU.Is_Data (Corresponding_Instance (Field)) then
                              Param := ADU.Make_Parameter_Specification
                                (Map_Ada_Protected_Aggregate_Identifier
                                   (F, Field),
                                 Map_Ada_Data_Type_Designator
                                   (Corresponding_Instance (Field)),
                                 Mode);
                              ADU.Append_Node_To_List (Param, Profile);
                           end if;
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