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------------------------------------------------------------------------------
--                                                                          --
--                         GNAT COMPILER COMPONENTS                         --
--                                                                          --
--                               T R E E P R                                --
--                                                                          --
--                                 S p e c                                  --
--                                                                          --
--          Copyright (C) 1992-2007, 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.  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 COPYING3.  If not, go to --
-- http://www.gnu.org/licenses for a complete copy of the license.          --
--                                                                          --
-- 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 : Int);
   pragma Export (Ada, pl);
   --  Debugging procedure (to be called within gdb), same as Print_Tree_List,
   --  except that you can use e.g. 66 instead of -99999966. In other words
   --  for the positive case we fill out to 8 digits on the left and add a
   --  minus sign. This just saves some typing in the debugger.
 
   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;
 

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