ocarina-backends-mast.adb 4.5 KB
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------------------------------------------------------------------------------
--                                                                          --
--                           OCARINA COMPONENTS                             --
--                                                                          --
--                O C A R I N A . B A C K E N D S . M A S T                 --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
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--                   Copyright (C) 2010-2015 ESA & ISAE.                    --
--                                                                          --
-- Ocarina  is free software; you can redistribute it and/or modify under   --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
-- sion. Ocarina is distributed in the hope that it will be useful, but     --
-- WITHOUT ANY WARRANTY; without even the implied warranty of               --
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.                     --
--                                                                          --
-- As a special exception under Section 7 of GPL version 3, you are granted --
-- additional permissions described in the GCC Runtime Library Exception,   --
-- version 3.1, as published by the Free Software Foundation.               --
--                                                                          --
-- You should have received a copy of the GNU General Public License and    --
-- a copy of the GCC Runtime Library Exception along with this program;     --
-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
-- <http://www.gnu.org/licenses/>.                                          --
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--                                                                          --
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--                 Ocarina is maintained by the TASTE project               --
--                      (taste-users@lists.tuxfamily.org)                   --
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--                                                                          --
------------------------------------------------------------------------------

with Ocarina.Instances;
with Ocarina.Backends.Expander;
with Ocarina.Backends.Messages;
with Ocarina.Backends.Utils;
with Ocarina.Backends.MAST_Tree.Nutils;
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with Ocarina.Backends.MAST.Main;
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with Ocarina.Backends.MAST_Tree.Generator;

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with Ocarina.Namet; use Ocarina.Namet;
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package body Ocarina.Backends.MAST is

   use Ocarina.Instances;
   use Ocarina.Backends.Messages;
   use Ocarina.Backends.Utils;
   use Ocarina.Backends.Expander;

   package MTU renames Ocarina.Backends.MAST_Tree.Nutils;

   procedure Visit_Architecture_Instance (E : Node_Id);
   --  Most top level visitor routine. E is the root of the AADL
   --  instance tree. The procedure does a traversal for each
   --  compilation unit to be generated.

   --------------
   -- Generate --
   --------------

   procedure Generate (AADL_Root : Node_Id) is
      Instance_Root : Node_Id;
   begin

      Instance_Root := Instantiate_Model (AADL_Root);

      --  Expand the AADL instance

      Expand (Instance_Root);

      Visit_Architecture_Instance (Instance_Root);
      --  Abort if the construction of the XML tree failed

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      if No (MAST_File) then
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         Display_Error ("MAST generation failed", Fatal => True);
      end if;

      Enter_Directory (Generated_Sources_Directory);

      if not Remove_Generated_Sources then
         MAST_Tree.Generator.Generate (MAST_File);
      end if;

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      Leave_Directory;
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   end Generate;

   ----------
   -- Init --
   ----------

   procedure Init is
   begin
      Register_Backend ("mast", Generate'Access, MAST_Scheduling);
   end Init;

   -----------
   -- Reset --
   -----------

   procedure Reset is
   begin
      null;
   end Reset;

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

   procedure Visit_Architecture_Instance (E : Node_Id) is
   begin
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      MAST_File :=
        MTU.Make_MAST_File
          (MTU.Make_Defining_Identifier (Get_String_Name ("mast-model")));
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      MAST.Main.Visit (E);
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   end Visit_Architecture_Instance;

   -------------------
   -- Get_MAST_File --
   -------------------

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   function Get_MAST_File return Node_Id is
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   begin
      return MAST_File;
   end Get_MAST_File;

end Ocarina.Backends.MAST;