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diff --git a/src/simulate/sim_be.adb b/src/simulate/sim_be.adb
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+--  Interpreter back-end
+--  Copyright (C) 2014 Tristan Gingold
+--
+--  GHDL is free software; you can redistribute it and/or modify it under
+--  the terms of the GNU General Public License as published by the Free
+--  Software Foundation; either version 2, or (at your option) any later
+--  version.
+--
+--  GHDL 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
+--  along with GHDL; see the file COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+
+with Ada.Text_IO;
+with Sem;
+with Canon;
+with Annotations;
+with Disp_Tree;
+with Errorout; use Errorout;
+with Flags;
+with Disp_Vhdl;
+with Post_Sems;
+
+package body Sim_Be is
+   procedure Finish_Compilation (Unit: Iir_Design_Unit; Main: Boolean := False)
+   is
+      use Ada.Text_IO;
+      Lib_Unit : Iir;
+   begin
+      Lib_Unit := Get_Library_Unit (Unit);
+      -- Semantic analysis.
+      if Flags.Verbose then
+         Put_Line ("semantize " & Disp_Node (Lib_Unit));
+      end if;
+      Sem.Semantic (Unit);
+
+      if (Main or Flags.Dump_All) and then Flags.Dump_Sem then
+         Disp_Tree.Disp_Tree (Unit);
+      end if;
+
+      if Errorout.Nbr_Errors > 0 then
+         raise Compilation_Error;
+      end if;
+
+      if (Main or Flags.List_All) and then Flags.List_Sem then
+         Disp_Vhdl.Disp_Vhdl (Unit);
+      end if;
+
+      --  Post checks
+      ----------------
+
+      Post_Sems.Post_Sem_Checks (Unit);
+
+      if Errorout.Nbr_Errors > 0 then
+         raise Compilation_Error;
+      end if;
+
+
+      -- Canonicalisation.
+      ------------------
+      if Flags.Verbose then
+         Put_Line ("canonicalize " & Disp_Node (Lib_Unit));
+      end if;
+
+      Canon.Canonicalize (Unit);
+
+      if Errorout.Nbr_Errors > 0 then
+         raise Compilation_Error;
+      end if;
+
+      if (Main or Flags.List_All) and then Flags.List_Canon then
+         Disp_Vhdl.Disp_Vhdl (Unit);
+      end if;
+
+      if Flags.Flag_Elaborate then
+         if Get_Kind (Lib_Unit) = Iir_Kind_Architecture_Body then
+            declare
+               Config : Iir_Design_Unit;
+            begin
+               Config := Canon.Create_Default_Configuration_Declaration
+                 (Lib_Unit);
+               Set_Default_Configuration_Declaration (Lib_Unit, Config);
+               if (Main or Flags.Dump_All) and then Flags.Dump_Canon then
+                  Disp_Tree.Disp_Tree (Config);
+               end if;
+               if (Main or Flags.List_All) and then Flags.List_Canon then
+                  Disp_Vhdl.Disp_Vhdl (Config);
+               end if;
+            end;
+         end if;
+      end if;
+
+      -- Annotation.
+      -------------
+      if Flags.Verbose then
+         Put_Line ("annotate " & Disp_Node (Lib_Unit));
+      end if;
+
+      Annotations.Annotate (Unit);
+
+      if Errorout.Nbr_Errors > 0 then
+         raise Compilation_Error;
+      end if;
+
+      if (Main or Flags.List_All) and then Flags.List_Annotate then
+         Disp_Vhdl.Disp_Vhdl (Unit);
+      end if;
+      if (Main or Flags.Dump_All) and then Flags.Dump_Annotate then
+         Disp_Tree.Disp_Tree (Unit);
+      end if;
+   end Finish_Compilation;
+end Sim_Be;