4dfba737a4
2018-01-11 Arnaud Charlet <charlet@adacore.com> gcc/ada/ Bump copyright notices to 2018. From-SVN: r256519
102 lines
4.9 KiB
Ada
102 lines
4.9 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- T R E E P R --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2018, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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with Types; use Types;
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package Treepr is
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-- This package provides printing routines for the abstract syntax tree
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-- These routines are intended only for debugging use.
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procedure Tree_Dump;
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-- This routine is called from the GNAT main program to dump trees as
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-- requested by debug options (including tree of Standard if requested).
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procedure Print_Tree_Node (N : Node_Id; Label : String := "");
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-- Prints a single tree node, without printing descendants. The Label
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-- string is used to preface each line of the printed output.
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procedure Print_Node_Briefly (N : Node_Id);
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-- Terse version of Print_Tree_Node
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procedure Print_Tree_List (L : List_Id);
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-- Prints a single node list, without printing the descendants of any
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-- of the nodes in the list
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procedure Print_Tree_Elist (E : Elist_Id);
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-- Prints a single node list, without printing the descendants of any
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-- of the nodes in the list
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procedure Print_Node_Subtree (N : Node_Id);
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-- Prints the subtree rooted at a specified tree node, including all
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-- referenced descendants.
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procedure Print_List_Subtree (L : List_Id);
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-- Prints the subtree consisting of the given node list and all its
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-- referenced descendants.
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procedure Print_Elist_Subtree (E : Elist_Id);
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-- Prints the subtree consisting of the given element list and all its
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-- referenced descendants.
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-- The following debugging procedures are intended to be called from gdb.
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-- Note that in several cases there are synonyms which represent historical
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-- development, and we keep them because some people are used to them!
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function p (N : Union_Id) return Node_Or_Entity_Id;
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function par (N : Union_Id) return Node_Or_Entity_Id;
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pragma Export (Ada, p);
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pragma Export (Ada, par);
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-- Return parent of a list or node (depending on the value of N). If N
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-- is neither a list nor a node id, then prints a message to that effect
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-- and returns Empty.
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procedure pn (N : Union_Id);
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procedure pp (N : Union_Id);
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procedure pe (N : Union_Id);
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pragma Export (Ada, pn);
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pragma Export (Ada, pp);
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pragma Export (Ada, pe);
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-- Print a node, node list, uint, or anything else that falls under
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-- the definition of Union_Id. Historically this was only for printing
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-- nodes, hence the name.
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procedure pt (N : Union_Id);
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procedure ppp (N : Union_Id);
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pragma Export (Ada, pt);
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pragma Export (Ada, ppp);
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-- Same as pn/pp, except prints subtrees. For Nodes, it is exactly the same
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-- as Print_Node_Subtree. For Elists it is the same as Print_Elist_Subtree.
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-- For Lists, it is the same as Print_Tree_List. If given anything other
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-- than a Node, List, or Elist, same effect as pn.
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procedure pl (L : Int);
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pragma Export (Ada, pl);
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-- Same as Print_Tree_List, except that you can use e.g. 66 instead of
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-- -99999966. In other words for the positive case we fill out to 8 digits
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-- on the left and add a minus sign. This just saves some typing in the
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-- debugger.
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end Treepr;
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