taste-aadl_parser.adb 9.61 KB
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--  ************************ TASTE AADL Parser **************************  --
--  Based on Ocarina ****************************************************  --
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--  (c) 2018 European Space Agency - maxime.perrotin@esa.int
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--  LGPL license, see LICENSE file

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with System.Assertions,
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     Ada.Exceptions,
     Ada.Text_IO,
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     Ada.Directories,
     GNAT.Command_Line,
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     Errors,
     Locations,
     Ocarina.Namet,
     Ocarina.Configuration,
     Ocarina.Files,
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     Ocarina.Parser,
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     TASTE.Backend.Build_Script,
     TASTE.Backend.Skeletons;
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use Ada.Text_IO,
    Ada.Exceptions,
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    Ada.Directories,
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    Locations,
    Ocarina.Namet,
    Ocarina;

package body TASTE.AADL_Parser is

   function Initialize return Taste_Configuration is
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      File_Name  : Name_Id;
      File_Descr : Location;
      Cfg        : Taste_Configuration;
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   begin
      Banner;
      --  Parse arguments before initializing Ocarina, otherwise Ocarina eats
      --  some arguments (all file parameters).
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      Parse_Command_Line (Cfg);
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      Initialize_Ocarina;

      AADL_Language := Get_String_Name ("aadl");

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      if Cfg.Interface_View.all'Length = 0 and not Cfg.Check_Data_View then
         --  Use "InterfaceView.aadl" by default, if nothing else is specified
         --  and if the tool is not only called to check the data view
         Cfg.Interface_View := Default_Interface_View'Access;
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      end if;

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      --  An interface view is expected, look for it and parse it
      if Cfg.Interface_View.all'Length > 0 then
         Set_Str_To_Name_Buffer (Cfg.Interface_View.all);
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         File_Name := Ocarina.Files.Search_File (Name_Find);
         if File_Name = No_Name then
            raise AADL_Parser_Error
              with "File not found : " & Cfg.Interface_View.all;
         end if;

         File_Descr := Ocarina.Files.Load_File (File_Name);
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         Interface_Root := Ocarina.Parser.Parse
           (AADL_Language, Interface_Root, File_Descr);
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         --  Parse TASTE_IV_Properties.aadl
         Set_Str_To_Name_Buffer ("TASTE_IV_Properties.aadl");
         File_Name  := Ocarina.Files.Search_File (Name_Find);
         File_Descr := Ocarina.Files.Load_File (File_Name);
         Interface_Root := Ocarina.Parser.Parse (AADL_Language,
                                                 Interface_Root, File_Descr);
      end if;
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      if Cfg.Glue then
         --  Look for a deployment view (or DeploymentView.aadl by default)
         --  if the glue generation is requested. Not needed for skeletons.
         if Cfg.Deployment_View.all'Length = 0 then
            Cfg.Deployment_View := Default_Deployment_View'Access;
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         end if;

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         Set_Str_To_Name_Buffer (Cfg.Deployment_View.all);
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         File_Name := Ocarina.Files.Search_File (Name_Find);
         if File_Name = No_Name then
            raise AADL_Parser_Error
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              with "File not found : " & Cfg.Deployment_View.all;
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         end if;

         File_Descr := Ocarina.Files.Load_File (File_Name);
         Deployment_Root := Ocarina.Parser.Parse
           (AADL_Language, Deployment_Root, File_Descr);

         if Deployment_Root = No_Node then
            raise AADL_Parser_Error with "Deployment View is incorrect";
         end if;
      end if;

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      for Each of Cfg.Other_Files loop
         --  Add other files to the Interface and (if any) deployment roots
         --  (List of files specified in the command line)
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         Set_Str_To_Name_Buffer (Each);
         File_Name := Ocarina.Files.Search_File (Name_Find);
         if File_Name = No_Name then
            raise AADL_Parser_Error with "File not found: " & Each;
         end if;
         File_Descr := Ocarina.Files.Load_File (File_Name);

         Interface_Root := Ocarina.Parser.Parse
           (AADL_Language, Interface_Root, File_Descr);
         if Deployment_Root /= No_Node then
            Deployment_Root := Ocarina.Parser.Parse
              (AADL_Language, Deployment_Root, File_Descr);
         end if;
      end loop;

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      if Cfg.Data_View.all'Length > 0 then
         Set_Str_To_Name_Buffer (Cfg.Data_View.all);
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         File_Name := Ocarina.Files.Search_File (Name_Find);
         if File_Name = No_Name then
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            raise AADL_Parser_Error with "Could not find " & Cfg.Data_View.all;
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         end if;
      else
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         --  Try with default name (DataView.aadl)
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         Set_Str_To_Name_Buffer (Default_Data_View);
         File_Name := Ocarina.Files.Search_File (Name_Find);
         if File_Name /= No_Name then
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            Cfg.Data_View := Default_Data_View'Access;
         elsif Cfg.Check_Data_View then
            --  No dataview found, while user asked explicitly for a check
            raise AADL_Parser_Error with "Could not find DataView.aadl";
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         end if;
      end if;

      if File_Name /= No_Name then
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         Put_Info ("Parsing " & Cfg.Data_View.all);

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         File_Descr := Ocarina.Files.Load_File (File_Name);

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         --  Add the Data View to the Interface View root, if any
         if Interface_Root /= No_Node then
            Interface_Root := Ocarina.Parser.Parse
              (AADL_Language, Interface_Root, File_Descr);
         end if;
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         --  Add the Data View to the Deployment View root, if any
         if Deployment_Root /= No_Node then
            Deployment_Root := Ocarina.Parser.Parse
               (AADL_Language, Deployment_Root, File_Descr);
         end if;
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         --  Also parse the data view as a root component
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         Dataview_root := Ocarina.Parser.Parse
                            (AADL_Language, Dataview_root, File_Descr);
      end if;
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      return Cfg;
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   end Initialize;

   function Parse_Project return TASTE_Model is
      Result : TASTE_Model;
   begin
      Result.Configuration := Initialize;

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      if Interface_Root /= No_Node then
         --  Parse Interface and Deployment View
         begin
            Result.Interface_View := Parse_Interface_View (Interface_Root);
         exception
            when System.Assertions.Assert_Failure =>
               raise AADL_Parser_Error with "Interface view parsing error";
         end;
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         if Result.Configuration.Deployment_View.all'Length > 0 then
            AADL_Lib.Append (Result.Configuration.Interface_View.all);
            Result.Deployment_View := Parse_Deployment_View (Deployment_Root);
         end if;
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      end if;

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      if Result.Configuration.Data_View.all'Length > 0 then
         begin
            Result.Data_View := Parse_Data_View (Dataview_root);
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            Result.Data_View.Check_Files;
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         exception
            when Constraint_Error =>
               raise Data_View_Error with "Update your data view!";
         end;
      end if;
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      Ocarina.Configuration.Reset_Modules;
      Ocarina.Reset;

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      if Result.Configuration.Check_Data_View then
         raise Quit_Taste;
      end if;

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      return Result;
   exception
      when Error : AADL_Parser_Error
         | Interface_Error
         | Function_Error
         | No_RCM_Error
         | Deployment_View_Error
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         | Data_View_Error
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         | Device_Driver_Error =>
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         Put_Error (Exception_Message (Error));
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         raise Quit_Taste;
      when GNAT.Command_Line.Exit_From_Command_Line =>
         New_Line;
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         Put_Info ("For more information, visit " & Underline & White_Bold
                   & "https://taste.tools");
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         raise Quit_Taste;
      when GNAT.Command_Line.Invalid_Switch
         | GNAT.Command_Line.Invalid_Parameter
         | GNAT.Command_Line.Invalid_Section =>
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         Put_Error ("Invalid switch or parameter (try --help)" & No_Color);
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         raise Quit_Taste;
      when E : others =>
         Errors.Display_Bug_Box (E);
         raise Quit_Taste;
   end Parse_Project;

   procedure Dump (Model : TASTE_Model) is
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      Output_Path : constant String := Model.Configuration.Output_Dir.all
                      & "/Debug";
      Output  : File_Type;
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   begin
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      if Model.Configuration.Debug_Flag then
         Create_Path (Output_Path);
         Create (File => Output,
                 Mode => Out_File,
                 Name => Output_Path & "/InterfaceView.dump");
         Put_Info ("Dump of the Interface View");
         Model.Interface_View.Debug_Dump (Output);
         Close (Output);

         if Model.Configuration.Deployment_View.all'Length > 0 then
            Create (File => Output,
                    Mode => Out_File,
                    Name => Output_Path & "/DeploymentView.dump");
            Put_Info ("Dump of the Deployment View");
            Model.Deployment_View.Debug_Dump (Output);
            Close (Output);
         end if;
         Create (File => Output,
                 Mode => Out_File,
                 Name => Output_Path & "/DataView.dump");
         Put_Info ("Dump of the Data View");
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         Model.Data_View.Debug_Dump (Output);
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         Close (Output);
         Create (File => Output,
                 Mode => Out_File,
                 Name => Output_Path & "/commandline.dump");
         Put_Info ("Dump of the Command Line");
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         Model.Configuration.Debug_Dump (Output);
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         Close (Output);
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      end if;
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   exception
      when Error : others =>
         Put_Error ("Debug Dump : " & Exception_Message (Error));
         raise Quit_Taste;
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   end Dump;

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   procedure Generate_Build_Script (Model : TASTE_Model) is
   begin
      TASTE.Backend.Build_Script.Generate (Model);
   end Generate_Build_Script;

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   procedure Generate_Skeletons (Model : TASTE_Model) is
   begin
      TASTE.Backend.Skeletons.Generate (Model);
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   exception
      when Error : TASTE.Backend.Skeletons.Skeleton_Error =>
         Put_Error (Exception_Message (Error));
         raise Quit_Taste;
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      when Error : others =>
         Errors.Display_Bug_Box (Error);
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         raise Quit_Taste;
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   end Generate_Skeletons;
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end TASTE.AADL_Parser;