1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                                D E B U G                                 --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2003 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 2,  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 COPYING.  If not, write --
19-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, USA.                                                      --
21--                                                                          --
22-- As a special exception,  if other files  instantiate  generics from this --
23-- unit, or you link  this unit with other files  to produce an executable, --
24-- this  unit  does not  by itself cause  the resulting  executable  to  be --
25-- covered  by the  GNU  General  Public  License.  This exception does not --
26-- however invalidate  any other reasons why  the executable file  might be --
27-- covered by the  GNU Public License.                                      --
28--                                                                          --
29-- GNAT was originally developed  by the GNAT team at  New York University. --
30-- Extensive contributions were provided by Ada Core Technologies Inc.      --
31--                                                                          --
32------------------------------------------------------------------------------
33
34package Debug is
35pragma Preelaborate (Debug);
36
37--  This package contains global flags used to control the inclusion
38--  of debugging code in various phases of the compiler. Some of these
39--  flags are also used by the binder and gnatmake.
40
41   -------------------------
42   -- Dynamic Debug Flags --
43   -------------------------
44
45   --  Sixty two flags that can be used to active various specialized
46   --  debugging output information. The flags are preset to False, which
47   --  corresponds to the given output being suppressed. The individual
48   --  flags can be turned on using the undocumented switch dxxx where
49   --  xxx is a string of letters for flags to be turned on. Documentation
50   --  on the current usage of these flags is contained in the body of Debug
51   --  rather than the spec, so that we don't have to recompile the world
52   --  when a new debug flag is added
53
54   Debug_Flag_A : Boolean := False;
55   Debug_Flag_B : Boolean := False;
56   Debug_Flag_C : Boolean := False;
57   Debug_Flag_D : Boolean := False;
58   Debug_Flag_E : Boolean := False;
59   Debug_Flag_F : Boolean := False;
60   Debug_Flag_G : Boolean := False;
61   Debug_Flag_H : Boolean := False;
62   Debug_Flag_I : Boolean := False;
63   Debug_Flag_J : Boolean := False;
64   Debug_Flag_K : Boolean := False;
65   Debug_Flag_L : Boolean := False;
66   Debug_Flag_M : Boolean := False;
67   Debug_Flag_N : Boolean := False;
68   Debug_Flag_O : Boolean := False;
69   Debug_Flag_P : Boolean := False;
70   Debug_Flag_Q : Boolean := False;
71   Debug_Flag_R : Boolean := False;
72   Debug_Flag_S : Boolean := False;
73   Debug_Flag_T : Boolean := False;
74   Debug_Flag_U : Boolean := False;
75   Debug_Flag_V : Boolean := False;
76   Debug_Flag_W : Boolean := False;
77   Debug_Flag_X : Boolean := False;
78   Debug_Flag_Y : Boolean := False;
79   Debug_Flag_Z : Boolean := False;
80
81   Debug_Flag_AA : Boolean := False;
82   Debug_Flag_BB : Boolean := False;
83   Debug_Flag_CC : Boolean := False;
84   Debug_Flag_DD : Boolean := False;
85   Debug_Flag_EE : Boolean := False;
86   Debug_Flag_FF : Boolean := False;
87   Debug_Flag_GG : Boolean := False;
88   Debug_Flag_HH : Boolean := False;
89   Debug_Flag_II : Boolean := False;
90   Debug_Flag_JJ : Boolean := False;
91   Debug_Flag_KK : Boolean := False;
92   Debug_Flag_LL : Boolean := False;
93   Debug_Flag_MM : Boolean := False;
94   Debug_Flag_NN : Boolean := False;
95   Debug_Flag_OO : Boolean := False;
96   Debug_Flag_PP : Boolean := False;
97   Debug_Flag_QQ : Boolean := False;
98   Debug_Flag_RR : Boolean := False;
99   Debug_Flag_SS : Boolean := False;
100   Debug_Flag_TT : Boolean := False;
101   Debug_Flag_UU : Boolean := False;
102   Debug_Flag_VV : Boolean := False;
103   Debug_Flag_WW : Boolean := False;
104   Debug_Flag_XX : Boolean := False;
105   Debug_Flag_YY : Boolean := False;
106   Debug_Flag_ZZ : Boolean := False;
107
108   Debug_Flag_1 : Boolean := False;
109   Debug_Flag_2 : Boolean := False;
110   Debug_Flag_3 : Boolean := False;
111   Debug_Flag_4 : Boolean := False;
112   Debug_Flag_5 : Boolean := False;
113   Debug_Flag_6 : Boolean := False;
114   Debug_Flag_7 : Boolean := False;
115   Debug_Flag_8 : Boolean := False;
116   Debug_Flag_9 : Boolean := False;
117
118   Debug_Flag_Dot_A : Boolean := False;
119   Debug_Flag_Dot_B : Boolean := False;
120   Debug_Flag_Dot_C : Boolean := False;
121   Debug_Flag_Dot_D : Boolean := False;
122   Debug_Flag_Dot_E : Boolean := False;
123   Debug_Flag_Dot_F : Boolean := False;
124   Debug_Flag_Dot_G : Boolean := False;
125   Debug_Flag_Dot_H : Boolean := False;
126   Debug_Flag_Dot_I : Boolean := False;
127   Debug_Flag_Dot_J : Boolean := False;
128   Debug_Flag_Dot_K : Boolean := False;
129   Debug_Flag_Dot_L : Boolean := False;
130   Debug_Flag_Dot_M : Boolean := False;
131   Debug_Flag_Dot_N : Boolean := False;
132   Debug_Flag_Dot_O : Boolean := False;
133   Debug_Flag_Dot_P : Boolean := False;
134   Debug_Flag_Dot_Q : Boolean := False;
135   Debug_Flag_Dot_R : Boolean := False;
136   Debug_Flag_Dot_S : Boolean := False;
137   Debug_Flag_Dot_T : Boolean := False;
138   Debug_Flag_Dot_U : Boolean := False;
139   Debug_Flag_Dot_V : Boolean := False;
140   Debug_Flag_Dot_W : Boolean := False;
141   Debug_Flag_Dot_X : Boolean := False;
142   Debug_Flag_Dot_Y : Boolean := False;
143   Debug_Flag_Dot_Z : Boolean := False;
144
145   Debug_Flag_Dot_AA : Boolean := False;
146   Debug_Flag_Dot_BB : Boolean := False;
147   Debug_Flag_Dot_CC : Boolean := False;
148   Debug_Flag_Dot_DD : Boolean := False;
149   Debug_Flag_Dot_EE : Boolean := False;
150   Debug_Flag_Dot_FF : Boolean := False;
151   Debug_Flag_Dot_GG : Boolean := False;
152   Debug_Flag_Dot_HH : Boolean := False;
153   Debug_Flag_Dot_II : Boolean := False;
154   Debug_Flag_Dot_JJ : Boolean := False;
155   Debug_Flag_Dot_KK : Boolean := False;
156   Debug_Flag_Dot_LL : Boolean := False;
157   Debug_Flag_Dot_MM : Boolean := False;
158   Debug_Flag_Dot_NN : Boolean := False;
159   Debug_Flag_Dot_OO : Boolean := False;
160   Debug_Flag_Dot_PP : Boolean := False;
161   Debug_Flag_Dot_QQ : Boolean := False;
162   Debug_Flag_Dot_RR : Boolean := False;
163   Debug_Flag_Dot_SS : Boolean := False;
164   Debug_Flag_Dot_TT : Boolean := False;
165   Debug_Flag_Dot_UU : Boolean := False;
166   Debug_Flag_Dot_VV : Boolean := False;
167   Debug_Flag_Dot_WW : Boolean := False;
168   Debug_Flag_Dot_XX : Boolean := False;
169   Debug_Flag_Dot_YY : Boolean := False;
170   Debug_Flag_Dot_ZZ : Boolean := False;
171
172   Debug_Flag_Dot_1 : Boolean := False;
173   Debug_Flag_Dot_2 : Boolean := False;
174   Debug_Flag_Dot_3 : Boolean := False;
175   Debug_Flag_Dot_4 : Boolean := False;
176   Debug_Flag_Dot_5 : Boolean := False;
177   Debug_Flag_Dot_6 : Boolean := False;
178   Debug_Flag_Dot_7 : Boolean := False;
179   Debug_Flag_Dot_8 : Boolean := False;
180   Debug_Flag_Dot_9 : Boolean := False;
181
182   function Get_Debug_Flag_K return Boolean;
183   --  This function is called from C code to get the setting of the K flag
184   --  (it does not work to try to access a constant object directly).
185
186   procedure Set_Debug_Flag (C : Character; Val : Boolean := True);
187   --  Where C is 0-9, A-Z, or a-z, sets the corresponding debug flag to
188   --  the given value. In the checks off version of debug, the call to
189   --  Set_Debug_Flag is always a null operation.
190
191   procedure Set_Dotted_Debug_Flag (C : Character; Val : Boolean := True);
192   --  Where C is 0-9, A-Z, or a-z, sets the corresponding dotted debug
193   --  flag (e.g. call with C = 'a' for the .a flag).
194
195end Debug;
196