-- --
-- S p e c --
-- --
--- --
--- Copyright (C) 1992-1999 Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2009, 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- --
+-- 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 COPYING. If not, write --
--- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
+-- or FITNESS FOR A PARTICULAR PURPOSE. --
+-- --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception, --
+-- version 3.1, as published by the Free Software Foundation. --
-- --
--- As a special exception, if other files instantiate generics from this --
--- unit, or you link this unit with other files to produce an executable, --
--- this unit does not by itself cause the resulting executable to be --
--- covered by the GNU General Public License. This exception does not --
--- however invalidate any other reasons why the executable file might be --
--- covered by the GNU Public License. --
+-- You should have received a copy of the GNU General Public License and --
+-- a copy of the GCC Runtime Library Exception along with this program; --
+-- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
+-- <http://www.gnu.org/licenses/>. --
-- --
-- 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). --
+-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
-- create and close routines are elsewhere (in Osint in the compiler, and in
-- the tree read driver for the tree read interface).
-with GNAT.OS_Lib; use GNAT.OS_Lib;
-with System; use System;
-with Types; use Types;
+with Types; use Types;
+
+with System; use System;
+with System.OS_Lib; use System.OS_Lib;
package Tree_IO is
Tree_Format_Error : exception;
-- Raised if a format error is detected in the input file
+ ASIS_Version_Number : constant := 23;
+ -- ASIS Version. This is used to check for consistency between the compiler
+ -- used to generate trees and an ASIS application that is reading the
+ -- trees. It must be incremented whenever a change is made to the tree
+ -- format that would result in the compiler being incompatible with an
+ -- older version of ASIS.
+
procedure Tree_Read_Initialize (Desc : File_Descriptor);
-- Called to initialize reading of a tree file. This call must be made
-- before calls to Tree_Read_xx. No calls to Tree_Write_xx are permitted
-- Writes a single integer value to the current tree file
procedure Tree_Write_Str (S : String_Ptr);
- -- Write out string value referenced by S. Low bound must be 1.
+ -- Write out string value referenced by S (low bound of S must be 1)
procedure Tree_Write_Terminate;
-- Terminates writing of the file (flushing the buffer), but does not
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