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1996-09-28
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------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- D E B U G --
-- --
-- S p e c --
-- --
-- $Revision: 1.25 $ --
-- --
-- Copyright (c) 1992,1993,1994,1995 NYU, All Rights Reserved --
-- --
-- The GNAT library is free software; you can redistribute it and/or modify --
-- it under terms of the GNU Library General Public License as published by --
-- the Free Software Foundation; either version 2, or (at your option) any --
-- later version. The GNAT library is distributed in the hope that it will --
-- be useful, but WITHOUT ANY WARRANTY; without even the implied warranty --
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU --
-- Library General Public License for more details. You should have --
-- received a copy of the GNU Library General Public License along with --
-- the GNAT library; see the file COPYING.LIB. If not, write to the Free --
-- Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Types; use Types;
package Debug is
-- This package contains global flags used to control the inclusion
-- of debugging code in various phases of the compiler.
-------------------------
-- Dynamic Debug Flags --
-------------------------
-- Thirty six flags that can be used to active various specialized
-- debugging output information. The flags are preset to False, which
-- corresponds to the given output being suppressed. The individual
-- flags can be turned on using the undocumented switch /dxxx where
-- xxx is a string of letters for flags to be turned on. Documentation
-- on the current usage of these flags is contained in the body of Debug
-- rather than the spec, so that we don't have to recompile the world
-- when a new debug flag is added
Debug_Flag_A : Boolean := False;
Debug_Flag_B : Boolean := False;
Debug_Flag_C : Boolean := False;
Debug_Flag_D : Boolean := False;
Debug_Flag_E : Boolean := False;
Debug_Flag_F : Boolean := False;
Debug_Flag_G : Boolean := False;
Debug_Flag_H : Boolean := False;
Debug_Flag_I : Boolean := False;
Debug_Flag_J : Boolean := False;
Debug_Flag_K : Boolean := False;
Debug_Flag_L : Boolean := False;
Debug_Flag_M : Boolean := False;
Debug_Flag_N : Boolean := False;
Debug_Flag_O : Boolean := False;
Debug_Flag_P : Boolean := False;
Debug_Flag_Q : Boolean := False;
Debug_Flag_R : Boolean := False;
Debug_Flag_S : Boolean := False;
Debug_Flag_T : Boolean := False;
Debug_Flag_U : Boolean := False;
Debug_Flag_V : Boolean := False;
Debug_Flag_W : Boolean := False;
Debug_Flag_X : Boolean := False;
Debug_Flag_Y : Boolean := False;
Debug_Flag_Z : Boolean := False;
Debug_Flag_1 : Boolean := False;
Debug_Flag_2 : Boolean := False;
Debug_Flag_3 : Boolean := False;
Debug_Flag_4 : Boolean := False;
Debug_Flag_5 : Boolean := False;
Debug_Flag_6 : Boolean := False;
Debug_Flag_7 : Boolean := False;
Debug_Flag_8 : Boolean := False;
Debug_Flag_9 : Boolean := False;
Fatal_Error_Node : Node_Id;
-- Set to the node giving the location at which the compiler abort
-- is to be signalled. This is not necessarily perfectly accurate,
-- it is just a convenient best guess. This is used to output the
-- source location in the abort message by Comperr, and also to
-- implement the d3 debugging flag.
function Get_Debug_Flag_K return Boolean;
-- This function is called from C code to get the setting of the K flag
-- (it does not work to try to access a constant object directly).
procedure Set_Debug_Flag (C : Character; Val : Boolean := True);
-- Where C is 0-9 or a-z, sets the corresponding debug flag to the
-- given value. In the checks off version of debug, the call to
-- Set_Debug_Flag is always a null operation.
end Debug;