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
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
|
------------------------------------------------------------------------------
-- --
-- ASIS-for-GNAT IMPLEMENTATION COMPONENTS --
-- --
-- A 4 G . G N A T _ I N T --
-- --
-- B o d y --
-- --
-- Copyright (C) 1995-2016, Free Software Foundation, Inc. --
--
-- ASIS-for-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 --
-- Software Foundation; either version 3, or (at your option) any later --
-- version. ASIS-for-GNAT 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. --
-- --
-- --
-- --
-- --
-- --
-- You should have received a copy of the GNU General Public License and --
-- a copy of the GCC Runtime Library Exception distributed with GNAT; see --
-- the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
-- <http://www.gnu.org/licenses/>. --
-- --
-- ASIS-for-GNAT was originally developed by the ASIS-for-GNAT team at the --
-- Software Engineering Laboratory of the Swiss Federal Institute of --
-- Technology (LGL-EPFL) in Lausanne, Switzerland, in cooperation with the --
-- Scientific Research Computer Center of Moscow State University (SRCC --
-- MSU), Russia, with funding partially provided by grants from the Swiss --
-- National Science Foundation and the Swiss Academy of Engineering --
-- Sciences. ASIS-for-GNAT is now maintained by AdaCore --
-- (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
pragma Ada_2012;
with Ada.Exceptions;
with Ada.Strings.Fixed; use Ada.Strings.Fixed;
with Ada.Text_IO; use Ada.Text_IO;
with GNAT.Directory_Operations; use GNAT.Directory_Operations;
with Asis.Errors;
with Asis.Exceptions; use Asis.Exceptions;
with Asis.Extensions; use Asis.Extensions;
with A4G.A_Debug; use A4G.A_Debug;
with A4G.A_Opt; use A4G.A_Opt;
with A4G.A_Output; use A4G.A_Output;
with A4G.Contt; use A4G.Contt;
with A4G.Vcheck; use A4G.Vcheck;
with Aspects;
with Atree;
with Csets;
with Elists;
with Fname;
with Gnatvsn;
with Lib;
with Namet;
with Nlists;
with Opt; use Opt;
with Repinfo;
with Sem_Aux;
with Sinput;
with Stand;
with Stringt;
with Uintp;
with Urealp;
with Tree_IO;
package body A4G.GNAT_Int is
LT : String renames ASIS_Line_Terminator;
Standard_GCC : constant String_Access :=
GNAT.OS_Lib.Locate_Exec_On_Path ("gcc-" & Gnatvsn.Library_Version);
-----------------
-- Create_Tree --
-----------------
procedure Create_Tree (Source_File : String_Access;
Context : Context_Id;
Is_Predefined : Boolean;
Success : out Boolean)
is
begin
if Is_Predefined then
Compile (Source_File => Source_File,
Args => GNAT_Flag & Get_Extra_Options (Context),
Success => Success,
GCC => Gcc_To_Call (Context),
Display_Call => Debug_Mode or else Debug_Flag_C);
else
Compile (Source_File => Source_File,
Args => I_Options (Context)
& Get_Extra_Options (Context),
Success => Success,
GCC => Gcc_To_Call (Context),
Display_Call => Debug_Mode or else Debug_Flag_C);
end if;
exception
when others =>
Raise_ASIS_Failed ("A4G.GNAT_Int.Create_Tree:" & LT &
" check the path and environment settings for gcc!");
end Create_Tree;
-------------
-- Execute --
-------------
function Execute
(Program : String_Access;
Args : Argument_List;
Compiler_Out : String := "";
Display_Call : Boolean :=
A4G.A_Debug.Debug_Mode or else A4G.A_Debug.Debug_Flag_C)
return Boolean
is
Success : Boolean;
Return_Code : Integer;
Execute : String_Access := Program;
begin
if Execute = null then
Execute := Standard_GCC;
end if;
if Execute = null then
Ada.Exceptions.Raise_Exception
(Program_Error'Identity,
"A4G.GNAT_Int.Execute: Can not locate program to execute");
end if;
if Display_Call then
Put (Standard_Error, Execute.all);
for J in Args'Range loop
Put (Standard_Error, " ");
Put (Standard_Error, Args (J).all);
end loop;
New_Line (Standard_Error);
if False then -- disable for now
Print_Env;
end if;
end if;
if Compiler_Out /= "" then
GNAT.OS_Lib.Spawn
(Execute.all,
Args,
Compiler_Out,
Success,
Return_Code);
Success := Return_Code = 0;
else
GNAT.OS_Lib.Spawn (Execute.all, Args, Success);
end if;
return Success;
end Execute;
----------------------------------------------
-- General Interfaces between GNAT and ASIS --
----------------------------------------------
function A_Time (T : Time_Stamp_Type) return Time is
Year : Year_Number;
Month : Month_Number;
Day : Day_Number;
Hours : Integer range 0 .. 23;
Minutes : Integer range 0 .. 59;
Seconds : Integer range 0 .. 59;
Day_Time : Day_Duration;
begin
Split_Time_Stamp
(TS => T,
Year => Nat (Year),
Month => Nat (Month),
Day => Nat (Day),
Hour => Nat (Hours),
Minutes => Nat (Minutes),
Seconds => Nat (Seconds));
Day_Time := Duration (Seconds + 60 * Minutes + 3600 * Hours);
return Time_Of (Year, Month, Day, Day_Time);
end A_Time;
--------------------------------
-- Tree_In_With_Version_Check --
--------------------------------
procedure Tree_In_With_Version_Check
(Desc : File_Descriptor;
Cont : Context_Id;
Success : out Boolean)
is
use type Lib.Fatal_Type;
Cont_Mode : constant Context_Mode := Context_Processing_Mode (Cont);
File_Closed : Boolean := False;
ASIS_GNAT_V : constant String := Gnatvsn.Gnat_Version_String;
First_A_Idx : Natural;
Last_A_Idx : Natural;
First_T_Idx : Natural;
Last_T_Idx : Natural;
procedure Note_Version_Mismatch;
-- Close Desc and raise Version_Mismatch
procedure Note_Version_Mismatch is
begin
Close (Desc, File_Closed);
raise Version_Mismatch with
"GNAT " & Tree_Version_String.all &
" vs. ASIS " & ASIS_GNAT_V & ": " &
A_Name_Buffer (1 .. A_Name_Len);
end Note_Version_Mismatch;
-- Start of processing for Tree_In_With_Version_Check
begin
Success := False;
Tree_IO.Tree_Read_Initialize (Desc);
Opt.Tree_Read;
if Strong_Version_Check then
-- We check only the dates here!
First_A_Idx :=
Index (Source => ASIS_GNAT_V,
Pattern => "(") + 1;
First_T_Idx :=
Index (Source => Tree_Version_String.all,
Pattern => "(") + 1;
Last_A_Idx := Index (Source => ASIS_GNAT_V,
Pattern => ")") - 1;
if Index
(Source => ASIS_GNAT_V (First_A_Idx .. Last_A_Idx),
Pattern => "-") /= 0
then
Last_A_Idx :=
Index (Source => ASIS_GNAT_V (First_A_Idx .. Last_A_Idx),
Pattern => "-") - 1;
end if;
Last_T_Idx := Index (Source => Tree_Version_String.all,
Pattern => ")") - 1;
if Index
(Source => Tree_Version_String.all (First_T_Idx .. Last_T_Idx),
Pattern => "-") /= 0
then
Last_T_Idx :=
Index (Source =>
Tree_Version_String.all (First_T_Idx .. Last_T_Idx),
Pattern => "-") - 1;
end if;
if ASIS_GNAT_V (First_A_Idx .. Last_A_Idx) /=
Tree_Version_String (First_T_Idx .. Last_T_Idx)
then
Note_Version_Mismatch;
end if;
end if;
-- GNAT/ASIS version check
if Tree_ASIS_Version_Number /= Tree_IO.ASIS_Version_Number then
Note_Version_Mismatch;
end if;
-- Check that ASIS Pro uses the tree created by GNAT Pro
if ASIS_GNAT_V (ASIS_GNAT_V'First .. ASIS_GNAT_V'First + 2) = "Pro"
and then
Tree_Version_String
(Tree_Version_String'First .. Tree_Version_String'First + 2) /=
"Pro"
then
Note_Version_Mismatch;
end if;
if Operating_Mode /= Check_Semantics then
if Cont_Mode = One_Tree then
-- If in one-tree mode we can not read the only tree we have,
-- there is no reason to continue, so raising an exception
-- is the only choice:
Close (Desc, File_Closed);
-- We did not check File_Closed here, because the fact that the
-- tree is not compile-only seems to be more important for ASIS
Set_Error_Status
(Status => Asis.Errors.Use_Error,
Diagnosis => "Asis.Ada_Environments.Open:"
& ASIS_Line_Terminator
& "tree file "
& Base_Name (A_Name_Buffer (1 .. A_Name_Len))
& " is not compile-only with full semantics");
raise ASIS_Failed;
elsif Cont_Mode = N_Trees
or else
Cont_Mode = All_Trees
then
-- no need to read the rest of this tree file, but
-- we can continue even if we can not read some trees...
ASIS_Warning
(Message => "Asis.Ada_Environments.Open: "
& ASIS_Line_Terminator
& "tree file "
& Base_Name (A_Name_Buffer (1 .. A_Name_Len))
& " is not compile-only with full semantics, ignored",
Error => Asis.Errors.Use_Error);
end if;
-- debug stuff...
if (Debug_Flag_O or else
Debug_Lib_Model or else
Debug_Mode)
and then
Cont_Mode /= One_Tree and then
Cont_Mode /= N_Trees
then
Put (Standard_Error, "tree file ");
Put (Standard_Error, Base_Name (A_Name_Buffer (1 .. A_Name_Len)));
Put (Standard_Error, " is not compile-only with full semantics");
New_Line (Standard_Error);
end if;
else
Atree.Tree_Read;
Elists.Tree_Read;
Fname.Tree_Read;
Lib.Tree_Read;
Namet.Tree_Read;
Nlists.Tree_Read;
Sem_Aux.Tree_Read;
Sinput.Tree_Read;
Stand.Tree_Read;
Stringt.Tree_Read;
Uintp.Tree_Read;
Urealp.Tree_Read;
Repinfo.Tree_Read;
Aspects.Tree_Read;
Csets.Initialize;
-- Check that the tree corresponds to a legal unit
if Lib.Fatal_Error (Types.Main_Unit) /= Lib.None then
Put (Standard_Error, "tree file ");
Put (Standard_Error, Base_Name (A_Name_Buffer (1 .. A_Name_Len)));
Put (Standard_Error, " corresponds to illegal unit");
New_Line (Standard_Error);
Success := False;
else
-- debug stuff...
if Debug_Flag_O or else
Debug_Lib_Model or else
Debug_Mode
then
Put (Standard_Error, "The tree file ");
Put (Standard_Error,
Base_Name (A_Name_Buffer (1 .. A_Name_Len)));
Put (Standard_Error, " is OK");
New_Line (Standard_Error);
end if;
Success := True;
end if;
end if;
Close (Desc, File_Closed);
if not File_Closed then
Raise_ASIS_Failed
(Diagnosis => "Asis.Ada_Environments.Open: " &
"Can not close tree file: " &
Base_Name (A_Name_Buffer (1 .. A_Name_Len)) &
ASIS_Line_Terminator &
"disk is full or file may be used by other program",
Stat => Asis.Errors.Data_Error);
end if;
exception
when Tree_IO.Tree_Format_Error =>
Close (Desc, File_Closed);
Ada.Exceptions.Raise_Exception
(Program_Error'Identity, "Inconsistent versions of GNAT and ASIS");
end Tree_In_With_Version_Check;
end A4G.GNAT_Int;
|
