gcc/ada/treepr.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                               T R E E P R                                --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2011, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 3,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT; see file COPYING3.  If not, go to --
  19 -- http://www.gnu.org/licenses for a complete copy of the license.          --
  20 --                                                                          --
  21 -- GNAT was originally developed  by the GNAT team at  New York University. --
  22 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  23 --                                                                          --
  24 ------------------------------------------------------------------------------
  25
  26 with Types; use Types;
  27 package Treepr is
  28
  29 --  This package provides printing routines for the abstract syntax tree
  30 --  These routines are intended only for debugging use.
  31
  32    procedure Tree_Dump;
  33    --  This routine is called from the GNAT main program to dump trees as
  34    --  requested by debug options (including tree of Standard if requested).
  35
  36    procedure Print_Tree_Node (N : Node_Id; Label : String := "");
  37    --  Prints a single tree node, without printing descendants. The Label
  38    --  string is used to preface each line of the printed output.
  39
  40    procedure Print_Tree_List (L : List_Id);
  41    --  Prints a single node list, without printing the descendants of any
  42    --  of the nodes in the list
  43
  44    procedure Print_Tree_Elist (E : Elist_Id);
  45    --  Prints a single node list, without printing the descendants of any
  46    --  of the nodes in the list
  47
  48    procedure Print_Node_Subtree (N : Node_Id);
  49    --  Prints the subtree routed at a specified tree node, including all
  50    --  referenced descendants.
  51
  52    procedure Print_List_Subtree (L : List_Id);
  53    --  Prints the subtree consisting of the given node list and all its
  54    --  referenced descendants.
  55
  56    procedure Print_Elist_Subtree (E : Elist_Id);
  57    --  Prints the subtree consisting of the given element list and all its
  58    --  referenced descendants.
  59
  60    --  The following debugging procedures are intended to be called from gdb
  61
  62    procedure pp (N : Union_Id);
  63    pragma Export (Ada, pp);
  64    --  Prints a node, node list, uint, or anything else that falls under
  65    --  Union_Id.
  66
  67    procedure ppp (N : Node_Id);
  68    pragma Export (Ada, ppp);
  69    --  Same as Print_Node_Subtree
  70
  71    --  The following are no longer needed; you can use pp or ppp instead
  72
  73    procedure pe (E : Elist_Id);
  74    pragma Export (Ada, pe);
  75    --  Same as Print_Tree_Elist
  76
  77    procedure pl (L : Int);
  78    pragma Export (Ada, pl);
  79    --  Same as Print_Tree_List, except that you can use e.g. 66 instead of
  80    --  -99999966. In other words for the positive case we fill out to 8 digits
  81    --  on the left and add a minus sign. This just saves some typing in the
  82    --  debugger.
  83
  84    procedure pn (N : Union_Id);
  85    pragma Export (Ada, pn);
  86    --  Same as pp
  87
  88    procedure pt (N : Node_Id);
  89    pragma Export (Ada, pt);
  90    --  Same as ppp
  91
  92 end Treepr;