1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
|
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- O P T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1992-2005, 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, 51 Franklin Street, Fifth Floor, --
-- Boston, MA 02110-1301, USA. --
-- --
-- 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. --
-- --
-- GNAT was originally developed by the GNAT team at New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc. --
-- --
------------------------------------------------------------------------------
with System; use System;
with Tree_IO; use Tree_IO;
package body Opt is
Immediate_Errors : Boolean := True;
-- This is an obsolete flag that is no longer present in opt.ads. We
-- retain it here because this flag was written to the tree and there
-- is no point in making trees incomaptible just for the sake of saving
-- one byte of data. The value written is ignored.
----------------------------------
-- Register_Opt_Config_Switches --
----------------------------------
procedure Register_Opt_Config_Switches is
begin
Ada_Version_Config := Ada_Version;
Ada_Version_Explicit_Config := Ada_Version_Explicit;
Assertions_Enabled_Config := Assertions_Enabled;
Debug_Pragmas_Enabled_Config := Debug_Pragmas_Enabled;
Dynamic_Elaboration_Checks_Config := Dynamic_Elaboration_Checks;
Exception_Locations_Suppressed_Config := Exception_Locations_Suppressed;
Extensions_Allowed_Config := Extensions_Allowed;
External_Name_Exp_Casing_Config := External_Name_Exp_Casing;
External_Name_Imp_Casing_Config := External_Name_Imp_Casing;
Persistent_BSS_Mode_Config := Persistent_BSS_Mode;
Polling_Required_Config := Polling_Required;
Use_VADS_Size_Config := Use_VADS_Size;
end Register_Opt_Config_Switches;
---------------------------------
-- Restore_Opt_Config_Switches --
---------------------------------
procedure Restore_Opt_Config_Switches (Save : Config_Switches_Type) is
begin
Ada_Version := Save.Ada_Version;
Ada_Version_Explicit := Save.Ada_Version_Explicit;
Assertions_Enabled := Save.Assertions_Enabled;
Debug_Pragmas_Enabled := Save.Debug_Pragmas_Enabled;
Dynamic_Elaboration_Checks := Save.Dynamic_Elaboration_Checks;
Exception_Locations_Suppressed := Save.Exception_Locations_Suppressed;
Extensions_Allowed := Save.Extensions_Allowed;
External_Name_Exp_Casing := Save.External_Name_Exp_Casing;
External_Name_Imp_Casing := Save.External_Name_Imp_Casing;
Persistent_BSS_Mode := Save.Persistent_BSS_Mode;
Polling_Required := Save.Polling_Required;
Use_VADS_Size := Save.Use_VADS_Size;
end Restore_Opt_Config_Switches;
------------------------------
-- Save_Opt_Config_Switches --
------------------------------
procedure Save_Opt_Config_Switches (Save : out Config_Switches_Type) is
begin
Save.Ada_Version := Ada_Version;
Save.Ada_Version_Explicit := Ada_Version_Explicit;
Save.Assertions_Enabled := Assertions_Enabled;
Save.Debug_Pragmas_Enabled := Debug_Pragmas_Enabled;
Save.Dynamic_Elaboration_Checks := Dynamic_Elaboration_Checks;
Save.Exception_Locations_Suppressed := Exception_Locations_Suppressed;
Save.Extensions_Allowed := Extensions_Allowed;
Save.External_Name_Exp_Casing := External_Name_Exp_Casing;
Save.External_Name_Imp_Casing := External_Name_Imp_Casing;
Save.Persistent_BSS_Mode := Persistent_BSS_Mode;
Save.Polling_Required := Polling_Required;
Save.Use_VADS_Size := Use_VADS_Size;
end Save_Opt_Config_Switches;
-----------------------------
-- Set_Opt_Config_Switches --
-----------------------------
procedure Set_Opt_Config_Switches
(Internal_Unit : Boolean;
Main_Unit : Boolean)
is
begin
-- Case of internal unit
if Internal_Unit then
Ada_Version := Ada_Version_Runtime;
Dynamic_Elaboration_Checks := False;
Extensions_Allowed := True;
External_Name_Exp_Casing := As_Is;
External_Name_Imp_Casing := Lowercase;
Persistent_BSS_Mode := False;
Use_VADS_Size := False;
-- For an internal unit, assertions/debug pragmas are off unless this
-- is the main unit and they were explicitly enabled.
if Main_Unit then
Assertions_Enabled := Assertions_Enabled_Config;
Debug_Pragmas_Enabled := Debug_Pragmas_Enabled_Config;
else
Assertions_Enabled := False;
Debug_Pragmas_Enabled := False;
end if;
-- Case of non-internal unit
else
Ada_Version := Ada_Version_Config;
Assertions_Enabled := Assertions_Enabled_Config;
Debug_Pragmas_Enabled := Debug_Pragmas_Enabled_Config;
Dynamic_Elaboration_Checks := Dynamic_Elaboration_Checks_Config;
Extensions_Allowed := Extensions_Allowed_Config;
External_Name_Exp_Casing := External_Name_Exp_Casing_Config;
External_Name_Imp_Casing := External_Name_Imp_Casing_Config;
Persistent_BSS_Mode := Persistent_BSS_Mode_Config;
Use_VADS_Size := Use_VADS_Size_Config;
end if;
Exception_Locations_Suppressed := Exception_Locations_Suppressed_Config;
Polling_Required := Polling_Required_Config;
Ada_Version_Explicit := Ada_Version_Explicit_Config;
end Set_Opt_Config_Switches;
---------------
-- Tree_Read --
---------------
procedure Tree_Read is
Tree_Version_String_Len : Nat;
Ada_Version_Config_Val : Nat;
Ada_Version_Explicit_Config_Val : Nat;
Assertions_Enabled_Config_Val : Nat;
begin
Tree_Read_Int (Tree_ASIS_Version_Number);
Tree_Read_Bool (Brief_Output);
Tree_Read_Bool (GNAT_Mode);
Tree_Read_Char (Identifier_Character_Set);
Tree_Read_Int (Maximum_File_Name_Length);
Tree_Read_Data (Suppress_Options'Address,
Suppress_Array'Object_Size / Storage_Unit);
Tree_Read_Bool (Verbose_Mode);
Tree_Read_Data (Warning_Mode'Address,
Warning_Mode_Type'Object_Size / Storage_Unit);
Tree_Read_Int (Ada_Version_Config_Val);
Tree_Read_Int (Ada_Version_Explicit_Config_Val);
Tree_Read_Int (Assertions_Enabled_Config_Val);
Tree_Read_Bool (All_Errors_Mode);
Tree_Read_Bool (Assertions_Enabled);
Tree_Read_Bool (Debug_Pragmas_Enabled);
Tree_Read_Bool (Enable_Overflow_Checks);
Tree_Read_Bool (Full_List);
Ada_Version_Config :=
Ada_Version_Type'Val (Ada_Version_Config_Val);
Ada_Version_Explicit_Config :=
Ada_Version_Type'Val (Ada_Version_Explicit_Config_Val);
Assertions_Enabled_Config :=
Boolean'Val (Assertions_Enabled_Config_Val);
-- Read version string: we have to check the length first
Tree_Read_Int (Tree_Version_String_Len);
if Tree_Version_String_Len = Tree_Version_String'Length then
Tree_Read_Data
(Tree_Version_String'Address, Tree_Version_String_Len);
else
Tree_Version_String := (others => '?');
declare
Tmp : String (1 .. Integer (Tree_Version_String_Len));
begin
Tree_Read_Data
(Tmp'Address, Tree_Version_String_Len);
end;
end if;
Tree_Read_Data (Distribution_Stub_Mode'Address,
Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
Tree_Read_Bool (Immediate_Errors);
Tree_Read_Bool (Inline_Active);
Tree_Read_Bool (Inline_Processing_Required);
Tree_Read_Bool (List_Units);
Tree_Read_Bool (Configurable_Run_Time_Mode);
Tree_Read_Data (Operating_Mode'Address,
Operating_Mode_Type'Object_Size / Storage_Unit);
Tree_Read_Bool (Suppress_Checks);
Tree_Read_Bool (Try_Semantics);
Tree_Read_Data (Wide_Character_Encoding_Method'Address,
WC_Encoding_Method'Object_Size / Storage_Unit);
Tree_Read_Bool (Upper_Half_Encoding);
Tree_Read_Bool (Force_ALI_Tree_File);
end Tree_Read;
----------------
-- Tree_Write --
----------------
procedure Tree_Write is
Version_String : String := Gnat_Version_String;
begin
Tree_Write_Int (ASIS_Version_Number);
Tree_Write_Bool (Brief_Output);
Tree_Write_Bool (GNAT_Mode);
Tree_Write_Char (Identifier_Character_Set);
Tree_Write_Int (Maximum_File_Name_Length);
Tree_Write_Data (Suppress_Options'Address,
Suppress_Array'Object_Size / Storage_Unit);
Tree_Write_Bool (Verbose_Mode);
Tree_Write_Data (Warning_Mode'Address,
Warning_Mode_Type'Object_Size / Storage_Unit);
Tree_Write_Int (Ada_Version_Type'Pos (Ada_Version_Config));
Tree_Write_Int (Ada_Version_Type'Pos (Ada_Version_Explicit_Config));
Tree_Write_Int (Boolean'Pos (Assertions_Enabled_Config));
Tree_Write_Bool (All_Errors_Mode);
Tree_Write_Bool (Assertions_Enabled);
Tree_Write_Bool (Debug_Pragmas_Enabled);
Tree_Write_Bool (Enable_Overflow_Checks);
Tree_Write_Bool (Full_List);
Tree_Write_Int (Int (Version_String'Length));
Tree_Write_Data (Version_String'Address,
Version_String'Length);
Tree_Write_Data (Distribution_Stub_Mode'Address,
Distribution_Stub_Mode_Type'Object_Size / Storage_Unit);
Tree_Write_Bool (Immediate_Errors);
Tree_Write_Bool (Inline_Active);
Tree_Write_Bool (Inline_Processing_Required);
Tree_Write_Bool (List_Units);
Tree_Write_Bool (Configurable_Run_Time_Mode);
Tree_Write_Data (Operating_Mode'Address,
Operating_Mode_Type'Object_Size / Storage_Unit);
Tree_Write_Bool (Suppress_Checks);
Tree_Write_Bool (Try_Semantics);
Tree_Write_Data (Wide_Character_Encoding_Method'Address,
WC_Encoding_Method'Object_Size / Storage_Unit);
Tree_Write_Bool (Upper_Half_Encoding);
Tree_Write_Bool (Force_ALI_Tree_File);
end Tree_Write;
end Opt;
|
