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+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                              T R E E _ I N                               --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1992-2010, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it 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.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT 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/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+with Aspects;
+with Atree;
+with Csets;
+with Debug;
+with Elists;
+with Fname;
+with Lib;
+with Namet;
+with Nlists;
+with Opt;
+with Repinfo;
+with Sem_Aux;
+with Sinput;
+with Stand;
+with Stringt;
+with Tree_IO;
+with Uintp;
+with Urealp;
+
+procedure Tree_In (Desc : File_Descriptor) is
+begin
+   Tree_IO.Tree_Read_Initialize (Desc);
+   Opt.Tree_Read;
+
+   --  For now, only  read aspect specifications hash table if -gnatd.A is set
+
+   if Debug.Debug_Flag_Dot_AA then
+      Aspects.Tree_Read;
+   end if;
+
+   Atree.Tree_Read;
+   Elists.Tree_Read;
+   Fname.Tree_Read;
+   Lib.Tree_Read;
+   Namet.Tree_Read;
+   Nlists.Tree_Read;
+   Sem_Aux.Tree_Read;
+   Sinput.Tree_Read;
+   Stand.Tree_Read;
+   Stringt.Tree_Read;
+   Uintp.Tree_Read;
+   Urealp.Tree_Read;
+   Repinfo.Tree_Read;
+   Csets.Initialize;
+end Tree_In;