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--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                              T R E E _ I N                               --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 1992-2009, 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.      --
--                                                                          --
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--  This procedure is used to read in a tree if the option is set. Note that
--  it is not part of the compiler proper, but rather the interface from
--  tools that need to read the tree to the tree reading routines, and is
--  thus bound as part of such tools.
 
with System.OS_Lib; use System.OS_Lib;
 
procedure Tree_In (Desc : File_Descriptor);
--  Desc is the file descriptor for the file containing the tree, as written
--  by the compiler in a previous compilation using Tree_Gen. On return the
--  global data structures are appropriately initialized.