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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- X R E F --
-- --
-- S p e c --
-- --
-- $Revision: 1.9 $ --
-- --
-- Copyright (C) 1992,1993,1994 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. --
-- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
-- --
------------------------------------------------------------------------------
-- The Xref package contains the routines for gathering all definition/use
-- information (entities and references to these entities). It creats a cross-
-- reference list as well as the REQs (required interfaces) for the withed
-- specs.
with Types; use Types;
package Xref is
procedure Initialize;
-- Initialize output of cross-reference information. Must be called by
-- the main driver once before processing any source input files.
procedure Finalize;
-- Finalize Xref output. Must be called by the main driver once after
-- processing any source input files if there were no errors detected
-- during processing of any of the files. If there were any errors
-- detected, then this call should not be made.
procedure Gather_Xref_Info (Top : Node_Id);
-- Main procedure to build the entity tables and the REQs. Looks for new
-- entities and new references and adds them to appropriate entity table.
-- This call has no effect if the appropriate xref switches are not set.
end Xref;
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