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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                               T R E E P R                                --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 1992-2002 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 2,  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.  See the GNU General Public License --
-- for  more details.  You should have  received  a copy of the GNU General --
-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
-- MA 02111-1307, USA.                                                      --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

with Types; use Types;
package Treepr is

--  This package provides printing routines for the abstract syntax tree
--  These routines are intended only for debugging use.

   procedure Tree_Dump;
   --  This routine is called from the GNAT main program to dump trees as
   --  requested by debug options (including tree of Standard if requested).

   procedure Print_Tree_Node (N : Node_Id; Label : String := "");
   --  Prints a single tree node, without printing descendants. The Label
   --  string is used to preface each line of the printed output.

   procedure Print_Tree_List (L : List_Id);
   --  Prints a single node list, without printing the descendants of any
   --  of the nodes in the list

   procedure Print_Tree_Elist (E : Elist_Id);
   --  Prints a single node list, without printing the descendants of any
   --  of the nodes in the list

   procedure Print_Node_Subtree (N : Node_Id);
   --  Prints the subtree routed at a specified tree node, including all
   --  referenced descendants.

   procedure Print_List_Subtree (L : List_Id);
   --  Prints the subtree consisting of the given node list and all its
   --  referenced descendants.

   procedure Print_Elist_Subtree (E : Elist_Id);
   --  Prints the subtree consisting of the given element list and all its
   --  referenced descendants.

   procedure pe (E : Elist_Id);
   pragma Export (Ada, pe);
   --  Debugging procedure (to be called within gdb)
   --  same as Print_Tree_Elist

   procedure pl (L : List_Id);
   pragma Export (Ada, pl);
   --  Debugging procedure (to be called within gdb)
   --  same as Print_Tree_List

   procedure pn (N : Node_Id);
   pragma Export (Ada, pn);
   --  Debugging procedure (to be called within gdb)
   --  same as Print_Tree_Node with Label = ""

   procedure pt (N : Node_Id);
   pragma Export (Ada, pt);
   --  Debugging procedure (to be called within gdb)
   --  same as Print_Node_Subtree

end Treepr;