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
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380 | -- Abstract :
--
-- Support Emacs Ada mode and gpr-query minor mode queries about
-- GNAT projects and cross reference data
--
-- Copyright (C) 2014 - 2022 Free Software Foundation All Rights Reserved.
--
-- This program 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. This program 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 General Public License for more details. You
-- should have received a copy of the GNU General Public License
-- distributed with this program; see file COPYING. If not, write to
-- the Free Software Foundation, 51 Franklin Street, Suite 500, Boston,
-- MA 02110-1335, USA.
pragma License (GPL);
with Ada.Characters.Handling;
with Ada.Command_Line;
with Ada.Directories;
with Ada.Environment_Variables;
with Ada.Exceptions.Traceback;
with Ada.IO_Exceptions;
with Ada.Strings.Fixed;
with Ada.Strings.Unbounded;
with Ada.Text_IO;
with GNAT.Command_Line;
with GNAT.Directory_Operations;
with GNAT.OS_Lib;
with GNAT.Strings;
with GNAT.Traceback.Symbolic;
with GNATCOLL.Arg_Lists;
with GNATCOLL.Paragraph_Filling;
with GNATCOLL.Projects;
with GNATCOLL.SQL.Exec;
with GNATCOLL.SQL.Sqlite;
with GNATCOLL.Traces;
with GNATCOLL.Utils;
with GNATCOLL.VFS;
with GNATCOLL.VFS_Utils;
with GNATCOLL.Xref;
procedure Gpr_Query is
use all type GNATCOLL.VFS.File_Array;
use GNATCOLL;
Version : constant String := "3";
-- Changes once per release when the API (commands and responses)
-- changes; must match gpr-query.el gpr-query-protocol-version
Me : constant GNATCOLL.Traces.Trace_Handle := GNATCOLL.Traces.Create ("gpr_query");
-- See gnatcoll-xref.adb for xref traces.
DB_Error : exception;
Invalid_Command : exception;
function "+" (Item : in Ada.Strings.Unbounded.Unbounded_String) return String
renames Ada.Strings.Unbounded.To_String;
function "+" (Item : in String) return Ada.Strings.Unbounded.Unbounded_String
renames Ada.Strings.Unbounded.To_Unbounded_String;
function "+" (Item : in GNATCOLL.VFS.Filesystem_String) return String
is begin
return String (Item);
end "+";
procedure Process_Line (Line : String);
-- Process a full line of commands.
-- Raise Invalid_Command when the command is invalid.
function Get_Entity (Arg : String) return GNATCOLL.Xref.Entity_Information;
-- Return the entity matching the "name:file:line[:column]" argument
type My_Xref_Database is new GNATCOLL.Xref.Xref_Database with null record;
-- Derived so we can override Image to output full paths
Short_File_Names : Boolean; -- set by each command that calls Image
-- Full_File_Names_Arg : constant String := "full_file_names";
Short_File_Names_Arg : constant String := "short_file_names";
overriding function Image (Self : My_Xref_Database; File : GNATCOLL.VFS.Virtual_File) return String;
function Image (Self : GNATCOLL.Xref.Entity_Information) return String;
-- Return a display version of the argument
Xref : aliased My_Xref_Database;
Env : GNATCOLL.Projects.Project_Environment_Access;
Tree : aliased GNATCOLL.Projects.Project_Tree;
Source_Search_Path : GNATCOLL.VFS.File_Array_Access;
Previous_Progress : Natural := 0;
Progress_Reporter : access procedure (Current, Total : Integer) := null;
-- Subprogram specs for subprograms used before bodies
procedure Check_Arg_Count (Args : in GNATCOLL.Arg_Lists.Arg_List; Expected : in Integer);
procedure Dump (Curs : in out GNATCOLL.Xref.Entities_Cursor'Class);
procedure Dump (Refs : in out GNATCOLL.Xref.References_Cursor'Class; Controlling_Type_Name : in String := "");
procedure Dump_Local (Refs : in out GNATCOLL.Xref.References_Cursor'Class; Local_File_Name : in String);
-- Display the results of a query
procedure Put (Item : GNATCOLL.VFS.File_Array);
generic
with function Compute
(Self : in GNATCOLL.Xref.Xref_Database'Class;
Entity : in GNATCOLL.Xref.Entity_Information)
return GNATCOLL.Xref.Entity_Information;
procedure Process_Command_Single (Args : GNATCOLL.Arg_Lists.Arg_List);
-- Get the entity identified by Args, which must contain a single
-- argument. Then call Compute, and output the result.
--
-- Appropriate for queries that return a single entity result.
procedure Process_Command_Single (Args : GNATCOLL.Arg_Lists.Arg_List)
is
use GNATCOLL.Arg_Lists;
use GNATCOLL.Xref;
Entity : Entity_Information;
Comp : Entity_Information;
begin
Check_Arg_Count (Args, 2);
Short_File_Names := Nth_Arg (Args, 2) = Short_File_Names_Arg;
Entity := Get_Entity (Nth_Arg (Args, 1));
Comp := Compute (Xref, Entity);
if Comp /= No_Entity then
Ada.Text_IO.Put_Line (Image (Comp));
end if;
end Process_Command_Single;
generic
with procedure Compute
(Self : in GNATCOLL.Xref.Xref_Database'Class;
Entity : in GNATCOLL.Xref.Entity_Information;
Cursor : out GNATCOLL.Xref.Entities_Cursor'Class);
procedure Process_Command_Multiple (Args : GNATCOLL.Arg_Lists.Arg_List);
procedure Process_Command_Multiple (Args : GNATCOLL.Arg_Lists.Arg_List)
is
use GNATCOLL.Arg_Lists;
use GNATCOLL.Xref;
Entity : Entity_Information;
Descendants : Recursive_Entities_Cursor;
-- Apparently a generic formal parameter cannot match a subprogram access type, so we need this:
procedure Do_Compute
(Self : in GNATCOLL.Xref.Xref_Database'Class;
Entity : in GNATCOLL.Xref.Entity_Information;
Cursor : out GNATCOLL.Xref.Entities_Cursor'Class)
is begin
Compute (Self, Entity, Cursor);
end Do_Compute;
begin
Check_Arg_Count (Args, 2);
Short_File_Names := Nth_Arg (Args, 2) = Short_File_Names_Arg;
Entity := Get_Entity (Nth_Arg (Args, 1));
Recursive
(Self => Xref'Unchecked_Access,
Entity => Entity,
Compute => Do_Compute'Unrestricted_Access,
Cursor => Descendants);
Dump (Descendants);
end Process_Command_Multiple;
-- Command procedures; Args is the command line.
--
-- Infrastructure commands
procedure Process_Help (Args : GNATCOLL.Arg_Lists.Arg_List);
procedure Process_Refresh (Args : GNATCOLL.Arg_Lists.Arg_List);
procedure Process_DB_Name (Args : GNATCOLL.Arg_Lists.Arg_List);
-- Queries; alphabetical
procedure Process_Complete (Args : GNATCOLL.Arg_Lists.Arg_List);
procedure Process_Overridden is new Process_Command_Single (GNATCOLL.Xref.Overrides);
procedure Process_Overriding is new Process_Command_Multiple (GNATCOLL.Xref.Overridden_By);
procedure Process_Parent_Types is new Process_Command_Multiple (GNATCOLL.Xref.Parent_Types);
procedure Process_Project_Path (Args : GNATCOLL.Arg_Lists.Arg_List);
procedure Process_Refs (Args : GNATCOLL.Arg_Lists.Arg_List); -- wisi-xref-all
procedure Process_Tree_Defs (Args : GNATCOLL.Arg_Lists.Arg_List); -- wisi-xref-definitions
procedure Process_Tree_Refs (Args : GNATCOLL.Arg_Lists.Arg_List); -- wisi-xref-references
procedure Process_Source_Dirs (Args : GNATCOLL.Arg_Lists.Arg_List);
type Command_Descr is record
Name : GNAT.Strings.String_Access;
Args : GNAT.Strings.String_Access;
Help : GNAT.Strings.String_Access;
Handler : not null access procedure (Args : GNATCOLL.Arg_Lists.Arg_List);
end record;
Commands : constant array (Natural range <>) of Command_Descr :=
((new String'("help"),
new String'("[command or variable name]"),
new String'("Display the list of commands and their syntax."),
Process_Help'Access),
(new String'("refresh"),
null,
new String'("Refresh the contents of the xref database."),
Process_Refresh'Access),
(new String'("db_name"),
null,
new String'("Report the root name of the database files."),
Process_DB_Name'Access),
-- queries
(new String'("complete"),
new String'("pattern"),
new String'("Names that complete the pattern."),
Process_Complete'Access),
(new String'("overridden"),
new String'("name:file:line[:column] {full_file_names | short_file_names}"),
new String'("The entity that is overridden by the parameter"),
Process_Overridden'Access),
(new String'("overriding"),
new String'("name:file:line[:column] {full_file_names | short_file_names}"),
new String'("The entities that override the parameter"),
Process_Overriding'Access),
(new String'("parent_types"),
new String'("name:file:line[:column] {full_file_names | short_file_names}"),
new String'("The parent types of the entity."),
Process_Parent_Types'Access),
(new String'("project_path"),
null,
new String'("The project search path."),
Process_Project_Path'Access),
(new String'("refs"),
new String'("name:file:line[:column] {global | local_only} {full_file_names | short_file_names}"),
new String'("All known references to the entity."),
Process_Refs'Access),
(new String'("tree_defs"),
new String'("name:file[:line[:column]] {full_file_names | short_file_names}"),
new String'
("All known references to the entity, and to child types or overridden/overriding operations."),
Process_Tree_Defs'Access),
(new String'("tree_refs"),
new String'("name:file:line[:column] {full_file_names | short_file_names}"),
new String'
("All known references to the entity, and to parent/child types or overridden/overriding operations."),
Process_Tree_Refs'Access),
(new String'("source_dirs"),
null,
new String'("The project source directories, recursively."),
Process_Source_Dirs'Access));
-- Parsed command line info
Cmdline : GNAT.Command_Line.Command_Line_Configuration;
ALI_Encoding : aliased GNAT.Strings.String_Access := new String'("");
Commands_From_Switch : aliased GNAT.Strings.String_Access;
DB_Name : aliased GNAT.Strings.String_Access := new String'("gpr_query.db");
Force_Refresh : aliased Boolean;
Gpr_Config_File : aliased GNAT.Strings.String_Access;
Nightly_DB_Name : aliased GNAT.Strings.String_Access;
Project_File_Name : aliased GNAT.Strings.String_Access;
Show_Progress : aliased Boolean;
Traces_Config_File : aliased GNAT.Strings.String_Access;
----------
-- Procedure bodies, alphabetical
procedure Check_Arg_Count (Args : in GNATCOLL.Arg_Lists.Arg_List; Expected : in Integer)
is
Count : constant Integer := GNATCOLL.Arg_Lists.Args_Length (Args);
begin
if Count /= Expected then
raise Invalid_Command with "Invalid number of arguments" & Integer'Image (Count) &
"; expecting" & Integer'Image (Expected);
end if;
end Check_Arg_Count;
procedure Display_Progress (Current, Total : Integer) is
Now : constant Integer := Integer (Float'Floor (Float (Current) / Float (Total) * 100.0));
begin
if Now /= Previous_Progress then
Ada.Text_IO.Put_Line
("completed" & Current'Img
& " out of" & Total'Img
& " (" & GNATCOLL.Utils.Image (Now, Min_Width => 0) & "%)...");
Previous_Progress := Now;
end if;
end Display_Progress;
procedure Dump (Curs : in out GNATCOLL.Xref.Entities_Cursor'Class)
is
use GNATCOLL.Xref;
begin
while Curs.Has_Element loop
Ada.Text_IO.Put_Line (Image (Curs.Element));
Curs.Next;
end loop;
end Dump;
procedure Dump (Refs : in out GNATCOLL.Xref.References_Cursor'Class; Controlling_Type_Name : in String := "")
is
use GNATCOLL.Xref;
begin
while Has_Element (Refs) loop
declare
Ref : constant Entity_Reference := Refs.Element;
begin
Ada.Text_IO.Put_Line
(Xref.Image (Ref) & " (" &
(if Controlling_Type_Name'Length = 0
then ""
else Controlling_Type_Name & "; ") &
(+Ref.Kind) & ")");
end;
Next (Refs);
end loop;
end Dump;
procedure Dump_Local (Refs : in out GNATCOLL.Xref.References_Cursor'Class; Local_File_Name : in String)
is
use GNATCOLL.Xref;
begin
while Has_Element (Refs) loop
declare
Ref : constant Entity_Reference := Refs.Element;
begin
if Local_File_Name = "" or else Local_File_Name = Ref.File.Display_Base_Name then
Ada.Text_IO.Put_Line (Xref.Image (Ref) & " (" & (+Ref.Kind) & ")");
end if;
end;
Next (Refs);
end loop;
end Dump_Local;
function Get_Entity (Arg : String) return GNATCOLL.Xref.Entity_Information
is
use GNAT.Directory_Operations;
use GNATCOLL.Xref;
Words : GNAT.Strings.String_List_Access := GNATCOLL.Utils.Split (Arg, On => ':');
Ref : GNATCOLL.Xref.Entity_Reference;
begin
case Words'Length is
when 4 =>
Ref := Xref.Get_Entity
(Name => Words (Words'First).all,
File => Format_Pathname
(Style => UNIX,
Path => Words (Words'First + 1).all),
Project => GNATCOLL.Projects.No_Project,
Line => Integer'Value (Words (Words'First + 2).all),
Column => Visible_Column
(Integer'Value (Words (Words'First + 3).all)));
when 3 =>
-- No column; assume good enough for a precise match
Ref := Xref.Get_Entity
(Name => Words (Words'First).all,
File => Format_Pathname
(Style => UNIX,
Path => Words (Words'First + 1).all),
Project => GNATCOLL.Projects.No_Project,
Line => Integer'Value (Words (Words'First + 2).all));
when 2 =>
-- No line or column; error.
GNAT.Strings.Free (Words);
raise Invalid_Command with "Invalid parameter '" & Arg & "', expecting name:file:line[:column]]";
when others =>
-- No file, or bad args.
--
-- Xref.Get_Entity treats 'File => ""' as searching for pre-defined entities such as "Integer".
--
-- To search for a name in all files, use "complete" command.
GNAT.Strings.Free (Words);
raise Invalid_Command with "Invalid parameter '" & Arg & "', expecting name:file:line[:column]]";
end case;
GNAT.Strings.Free (Words);
if Ref.Entity = GNATCOLL.Xref.No_Entity then
Ada.Text_IO.Put_Line ("Error: entity not found '" & Arg & "'");
elsif GNATCOLL.Xref.Is_Fuzzy_Match (Ref.Entity) then
Ada.Text_IO.Put_Line ("warning: fuzzy match for the entity");
end if;
return Ref.Entity;
end Get_Entity;
overriding function Image (Self : My_Xref_Database; File : GNATCOLL.VFS.Virtual_File) return String
is
pragma Unreferenced (Self);
begin
if Short_File_Names then
return File.Display_Base_Name;
else
return File.Display_Full_Name;
end if;
end Image;
function Image (Self : GNATCOLL.Xref.Entity_Information) return String
is
use GNATCOLL.Xref;
begin
if Self = No_Entity then
return "Unknown entity";
else
declare
Decl : constant Entity_Declaration := Xref.Declaration (Self);
begin
if Is_Predefined_Entity (Decl) then
return "predefined entity: " & (+Decl.Name);
else
return Xref.Image (Decl.Location);
end if;
end;
end if;
end Image;
procedure Process_DB_Name (Args : GNATCOLL.Arg_Lists.Arg_List)
is
pragma Unreferenced (Args);
begin
Ada.Text_IO.Put_Line (DB_Name.all);
end Process_DB_Name;
procedure Process_Help (Args : GNATCOLL.Arg_Lists.Arg_List)
is
use Ada.Text_IO;
use GNATCOLL.Arg_Lists;
use type GNAT.Strings.String_Access;
begin
for C in Commands'Range loop
if Args_Length (Args) <= 0 -- Empty_Command_Line returns -1
or else Nth_Arg (Args, 1) = Commands (C).Name.all
then
Put (" " & Commands (C).Name.all);
if Commands (C).Args = null then
New_Line;
else
Put_Line (" " & Commands (C).Args.all);
end if;
Put
(Ada.Strings.Unbounded.To_String
(GNATCOLL.Paragraph_Filling.Knuth_Fill
(Commands (C).Help.all,
Max_Line_Length => 70,
Line_Prefix => " ")));
end if;
end loop;
New_Line;
Put_Line ("'exit' to quit");
end Process_Help;
procedure Process_Line (Line : String)
is
Expr : GNAT.Strings.String_List_Access;
begin
if Ada.Strings.Fixed.Trim (Line, Ada.Strings.Both) = "" then
return;
end if;
Expr := GNATCOLL.Utils.Split (Line, On => ';');
for C in Expr'Range loop
if Ada.Strings.Fixed.Trim (Expr (C).all, Ada.Strings.Both) = "" then
null;
else
declare
use GNATCOLL.Arg_Lists;
List : constant Arg_List := Parse_String (Expr (C).all, Mode => Separate_Args);
Cmd : constant String := Ada.Characters.Handling.To_Lower (Get_Command (List));
Found : Boolean := False;
begin
for Co in Commands'Range loop
if Commands (Co).Name.all = Cmd then
Commands (Co).Handler (List);
Found := True;
exit;
end if;
end loop;
if not Found then
raise Invalid_Command with "Invalid command: '" & Cmd & "'";
end if;
end;
end if;
end loop;
GNAT.Strings.Free (Expr);
end Process_Line;
function Get_Parameters (Entity : GNATCOLL.Xref.Entity_Information) return String
is
use Ada.Strings.Unbounded;
use GNATCOLL.Xref;
Params : Parameters_Cursor := GNATCOLL.Xref.Parameters (Xref, Entity);
Result : Unbounded_String;
Need_Paren : Boolean := True;
begin
loop
exit when not Has_Element (Params);
Result := Result &
((if Need_Paren
then (if Length (Result) > 0 then " (" else "(")
else ", ") &
Xref.Declaration (Element (Params).Parameter).Name);
Need_Paren := False;
Next (Params);
end loop;
if not Need_Paren then
Result := Result & ")";
end if;
return +Result;
end Get_Parameters;
procedure Process_Complete (Args : GNATCOLL.Arg_Lists.Arg_List)
is
use Ada.Text_IO;
use GNATCOLL.Arg_Lists;
use GNATCOLL.Xref;
Prefix : constant String := Nth_Arg (Args, 1);
Matches : Entities_Cursor;
Count : Integer := 0;
begin
Short_File_Names := False;
-- First count all matches, so Emacs can show progress
Xref.From_Prefix
(Prefix,
Is_Partial => True,
Cursor => Matches);
loop
exit when not Has_Element (Matches);
Count := @ + 1;
Next (Matches);
end loop;
Ada.Text_IO.Put_Line ("element count" & Count'Image);
Xref.From_Prefix
(Prefix,
Is_Partial => True,
Cursor => Matches);
loop
exit when not Has_Element (Matches);
declare
Decl : constant Entity_Declaration := Xref.Declaration (Element (Matches));
begin
Put (Xref.Qualified_Name (Element (Matches)));
if Decl.Flags.Is_Subprogram then
Ada.Text_IO.Put (Get_Parameters (Decl.Location.Entity));
end if;
end;
Ada.Text_IO.Put_Line (" " & Image (Element (Matches)));
Next (Matches);
end loop;
end Process_Complete;
procedure Process_Project_Path (Args : GNATCOLL.Arg_Lists.Arg_List)
is
pragma Unreferenced (Args);
Dirs : constant GNATCOLL.VFS.File_Array := GNATCOLL.Projects.Predefined_Project_Path (Env.all);
begin
Short_File_Names := False;
Put (Dirs);
end Process_Project_Path;
procedure Process_Refresh (Args : GNATCOLL.Arg_Lists.Arg_List)
is
pragma Unreferenced (Args);
begin
Parse_All_LI_Files
(Self => Xref,
Project => Tree.Root_Project,
Parse_Runtime_Files => False,
Show_Progress => Progress_Reporter,
ALI_Encoding => ALI_Encoding.all,
From_DB_Name => Nightly_DB_Name.all,
To_DB_Name => DB_Name.all,
Force_Refresh => Force_Refresh);
end Process_Refresh;
procedure Process_Refs (Args : GNATCOLL.Arg_Lists.Arg_List)
is
use GNATCOLL.Arg_Lists;
begin
Check_Arg_Count (Args, 3); -- entity, local/global, full/short
Short_File_Names := Nth_Arg (Args, 3) = Short_File_Names_Arg;
declare
use GNATCOLL.Xref;
Entity : constant Entity_Information := Get_Entity (Nth_Arg (Args, 1));
Refs : References_Cursor;
begin
Xref.References (Entity, Refs);
if Nth_Arg (Args, 2) = "local_only" then
-- Xref doesn't let us get the full file name of Entity (sigh)
declare
use Ada.Strings.Fixed;
First : constant Integer := 1 + Index (Nth_Arg (Args, 1), ":");
Last : constant Integer := -1 + Index (Nth_Arg (Args, 1), ":", First);
Local_File_Name : constant String := Nth_Arg (Args, 1) (First .. Last);
begin
Dump_Local (Refs, Local_File_Name);
end;
else
Dump (Refs);
end if;
end;
end Process_Refs;
function Has_Op
(Entity : in GNATCOLL.Xref.Entity_Information;
Primitive_Op_Name : in String := "")
return Boolean
is
use GNATCOLL.Xref;
Ops : Entities_Cursor;
begin
Xref.Methods (Entity, Ops);
loop
exit when not Has_Element (Ops);
if Primitive_Op_Name = +Xref.Declaration (Element (Ops)).Name then
return True;
end if;
Next (Ops);
end loop;
return False;
end Has_Op;
function Root_Parent_Type
(Entity : in GNATCOLL.Xref.Entity_Information;
Primitive_Op_Name : in String := "")
return GNATCOLL.Xref.Entity_Information
is
use GNATCOLL.Xref;
Result : Entity_Information := Entity;
Parents : Entities_Cursor;
begin
loop
Xref.Parent_Types (Result, Parents);
-- There is more than one parent when the type inherits interfaces.
-- We assume the first parent is a non-interface (if there is one),
-- and ignore the rest.
exit when (not Parents.Has_Element) or else
(Primitive_Op_Name'Length > 0 and then not Has_Op (Parents.Element, Primitive_Op_Name));
Result := Parents.Element;
end loop;
return Result;
end Root_Parent_Type;
procedure All_Child_Types
(Entity : in GNATCOLL.Xref.Entity_Information;
Cursor : in out GNATCOLL.Xref.Recursive_Entities_Cursor)
is begin
GNATCOLL.Xref.Recursive
(Self => Xref'Unchecked_Access,
Entity => Entity,
Compute => GNATCOLL.Xref.Child_Types'Access,
Cursor => Cursor);
end All_Child_Types;
function Controlling_Type (Entity : in GNATCOLL.Xref.Entity_Information) return GNATCOLL.Xref.Entity_Information
is
use GNATCOLL.Xref;
-- Method_Of returns a derived type if the subprogram is not
-- overridden for the child; the type we want is the non-child; the
-- last item in Controlling_Types.
Types : Entities_Cursor;
Result : Entity_Information := No_Entity;
begin
Xref.Method_Of (Entity, Types);
loop
exit when not Has_Element (Types);
Result := Types.Element;
Next (Types);
end loop;
return Result;
end Controlling_Type;
procedure Dump_Decl (Decl : in GNATCOLL.Xref.Entity_Declaration; Annotation : in String := "")
is begin
Ada.Text_IO.Put_Line
(Xref.Image (Decl.Location) & " (" &
(+Decl.Name) & " " &
(if Annotation'Length = 0
then ""
else Annotation & " ") &
(+Decl.Kind) & ")");
end Dump_Decl;
procedure Dump_Ref (Ref : in GNATCOLL.Xref.Entity_Reference; Annotation : in String := "")
is begin
Ada.Text_IO.Put_Line
(Xref.Image (Ref) & " (" &
(+Xref.Declaration (Ref.Entity).Name) & " " &
(if Annotation'Length = 0
then ""
else Annotation & " ") &
(+Ref.Kind) & ")");
end Dump_Ref;
procedure Dump_Entity (Entity : in GNATCOLL.Xref.Entity_Information; Controlling_Type_Name : in String := "")
is
use Ada.Strings.Unbounded;
use GNATCOLL.Xref;
Spec_Decl : constant Entity_Declaration := Xref.Declaration (Entity);
Body_Decls : References_Cursor;
Parameters : Unbounded_String;
begin
if Controlling_Type_Name'Length > 0 then
Parameters := +Controlling_Type_Name & ";";
end if;
if Spec_Decl.Flags.Is_Subprogram then
Parameters := Parameters & Get_Parameters (Spec_Decl.Location.Entity);
end if;
Xref.Bodies (Entity, Body_Decls);
if not Has_Element (Body_Decls) then
Dump_Decl (Spec_Decl, +Parameters);
else
declare
use all type GNATCOLL.VFS.Virtual_File;
First_Body_Ref : constant Entity_Reference := Body_Decls.Element;
begin
if First_Body_Ref.File = Spec_Decl.Location.File and
First_Body_Ref.Line = Spec_Decl.Location.Line and
First_Body_Ref.Column = Spec_Decl.Location.Column
then
Ada.Text_IO.Put_Line
(Xref.Image (First_Body_Ref) & " (" & (+Spec_Decl.Name) & " " &
(if Length (Parameters) = 0
then ""
else +Parameters & " ") &
(+Spec_Decl.Kind) & "/" & (+First_Body_Ref.Kind) & ")");
else
Dump_Decl (Spec_Decl, +Parameters);
Dump_Ref (First_Body_Ref, +Parameters);
end if;
end;
Next (Body_Decls);
loop
exit when not Has_Element (Body_Decls);
Dump_Ref (Body_Decls.Element, +Parameters);
Next (Body_Decls);
end loop;
end if;
end Dump_Entity;
procedure Process_Tree_Defs (Args : GNATCOLL.Arg_Lists.Arg_List)
is
-- "tree_defs" <name:loc> {short_file_names | full_file_names}
use GNATCOLL.Arg_Lists;
use GNATCOLL.Xref;
Words : GNAT.Strings.String_List_Access := GNATCOLL.Utils.Split (Nth_Arg (Args, 1), On => ':');
Root_Parent : Entity_Information;
procedure One_Entity (Orig_Entity : in Entity_Information; No_Children : in Boolean := False)
is
Orig_Decl : constant Entity_Declaration := Xref.Declaration (Orig_Entity);
Orig_Short_Name : constant String := +Orig_Decl.Name;
procedure Dump_Method
(Type_Entity : in GNATCOLL.Xref.Entity_Information;
Primitive_Op_Name : in String)
is
Type_Name : constant String := Xref.Qualified_Name (Type_Entity);
Ops : Entities_Cursor;
begin
Xref.Methods (Type_Entity, Ops);
loop
exit when not Has_Element (Ops);
declare
Method_Name : constant String := +Xref.Declaration (Element (Ops)).Name;
begin
if Primitive_Op_Name = Method_Name then
-- IMPROVEME: if the method is inherited but not overridden, use the
-- type location.
Dump_Entity (Element (Ops), Type_Name);
end if;
end;
Next (Ops);
end loop;
end Dump_Method;
procedure Dump_Entities (Entities : in out Recursive_Entities_Cursor)
is begin
loop
exit when not Has_Element (Entities);
if Orig_Decl.Flags.Is_Subprogram then
Dump_Method (Entities.Element, Primitive_Op_Name => Orig_Short_Name);
else
Dump_Entity (Entities.Element);
end if;
Next (Entities);
end loop;
end Dump_Entities;
begin
if Orig_Decl.Flags.Is_Type then
-- It is tempting to find the highest ancestor type here, then show
-- all types derived from that. But in Ada, that root ancestor is
-- often Ada.Finalization.[Limited_]Controlled (or some similar root
-- type), so the tree is much larger than we really want. So we just
-- show all children of the given type; the user can then climb the
-- tree if they want to enlarge it. This also allows the user to
-- choose which anscestor to examine when there is more than one,
-- with interfaces.
Root_Parent := Orig_Entity;
elsif Orig_Decl.Flags.Is_Subprogram then
declare
Controlling : constant Entity_Information := Controlling_Type (Orig_Entity);
begin
if Controlling = No_Entity then
-- Not a primitive subprogram
Dump_Entity (Orig_Entity);
return;
else
if No_Children then
Root_Parent := Controlling; -- for type name
else
-- Here we find the highest ancestor type that has this method.
-- gnatcoll.xref does not let us get the type of each parameter, so
-- we can't match profiles, just names.
Root_Parent := Root_Parent_Type (Controlling, Primitive_Op_Name => Orig_Short_Name);
end if;
end if;
end;
else
-- Something else (variable, package, ...)
Dump_Decl (Orig_Decl);
return;
end if;
if No_Children then
if Orig_Decl.Flags.Is_Type then
Dump_Entity (Orig_Entity);
else
Dump_Entity (Orig_Entity, Controlling_Type_Name => Xref.Qualified_Name (Root_Parent));
end if;
else
declare
Child_Types : Recursive_Entities_Cursor;
begin
-- "Child_Types" includes generic formal parameters (ie
-- gen_run_wisi_lr_parse.ads Parse_Data_Type) in addition to the
-- actual parameters.
All_Child_Types (Root_Parent, Child_Types);
if Orig_Decl.Flags.Is_Type then
Dump_Entity (Root_Parent);
else
Dump_Method (Root_Parent, +Orig_Decl.Name);
end if;
Dump_Entities (Child_Types);
end;
end if;
end One_Entity;
use GNAT.Directory_Operations;
begin
Short_File_Names := Nth_Arg (Args, 2) = Short_File_Names_Arg;
case Words'Length is
when 3 | 4 =>
One_Entity
(Xref.Get_Entity
(Name => Words (Words'First).all,
File => Format_Pathname
(Style => UNIX,
Path => Words (Words'First + 1).all),
Project => GNATCOLL.Projects.No_Project,
Line => Integer'Value (Words (Words'First + 2).all),
Column =>
(if Words'Length = 4
then Visible_Column (Integer'Value (Words (Words'First + 3).all))
else -1)) -- No column; assume good enough for a precise match
.Entity);
when 2 =>
-- No line or column; find all matching names in file
declare
use GNATCOLL.VFS;
Multiple : Entities_Cursor;
Orig_File : constant Virtual_File := Locate_Regular_File
(File_Name => +Words (Words'First + 1).all,
Path => Source_Search_Path.all);
Orig_File_Name : constant Filesystem_String := Full_Name (Orig_File);
begin
From_Prefix (Xref, Words (Words'First).all, Is_Partial => False, Cursor => Multiple);
loop
exit when not Has_Element (Multiple);
declare
Decl : constant Entity_Declaration := Xref.Declaration (Element (Multiple));
function Check_Body_File return Boolean
is
Bodies : References_Cursor;
begin
Xref.Bodies (Decl.Location.Entity, Bodies);
loop
exit when not Has_Element (Bodies);
declare
Ref : Entity_Reference renames Element (Bodies);
begin
if Orig_File_Name = Full_Name (Ref.File) then
return True;
end if;
end;
Next (Bodies);
end loop;
return False;
end Check_Body_File;
begin
if Orig_File_Name = Full_Name (Decl.Location.File) or else
Check_Body_File
then
One_Entity (Element (Multiple), No_Children => True);
end if;
end;
Next (Multiple);
end loop;
end;
when others =>
-- No file or bad arg.
GNAT.Strings.Free (Words);
raise Invalid_Command with "Invalid parameter '" & Nth_Arg (Args, 1) &
"', expecting name:file:[line[:column]]";
end case;
end Process_Tree_Defs;
procedure Process_Tree_Refs (Args : GNATCOLL.Arg_Lists.Arg_List)
is
-- "tree_refs" <name:loc> {short_file_names | full_file_names}
use GNATCOLL.Arg_Lists;
use GNATCOLL.Xref;
Orig_Entity : constant Entity_Information := Get_Entity (Nth_Arg (Args, 1));
Orig_Decl : constant Entity_Declaration := Xref.Declaration (Orig_Entity);
Root_Parent : Entity_Information;
procedure Dump_Type (Type_Entity : in Entity_Information)
is
Methods : Entities_Cursor;
begin
if Orig_Decl.Flags.Is_Subprogram then
Xref.Methods (Type_Entity, Methods);
loop
exit when not Has_Element (Methods);
declare
Method_Name : constant String := +Xref.Declaration (Methods.Element).Name;
Refs : References_Cursor;
begin
if Method_Name = +Orig_Decl.Name then
Xref.References (Methods.Element, Refs);
Dump (Refs, +Xref.Declaration (Type_Entity).Name);
end if;
end;
Next (Methods);
end loop;
else
Dump_Entity (Type_Entity);
end if;
end Dump_Type;
procedure Dump_Types (Types : in out Recursive_Entities_Cursor)
is begin
loop
exit when not Has_Element (Types);
Dump_Type (Types.Element);
Next (Types);
end loop;
end Dump_Types;
begin
Short_File_Names := Nth_Arg (Args, 2) = Short_File_Names_Arg;
if Orig_Decl.Flags.Is_Type then
-- See comment in Process_Tree_Defs
Root_Parent := Orig_Entity;
elsif Orig_Decl.Flags.Is_Subprogram then
declare
Controlling : constant Entity_Information := Controlling_Type (Orig_Entity);
begin
if Controlling = No_Entity then
-- Not a primitive subprogram
declare
Refs : References_Cursor;
begin
Xref.References (Orig_Entity, Refs);
Dump (Refs);
return;
end;
else
Root_Parent := Root_Parent_Type (Controlling, Primitive_Op_Name => +Orig_Decl.Name);
end if;
end;
else
-- A variable
declare
Refs : References_Cursor;
begin
Xref.References (Orig_Entity, Refs);
Dump (Refs);
return;
end;
end if;
declare
Child_Types : Recursive_Entities_Cursor;
begin
All_Child_Types (Root_Parent, Child_Types);
Dump_Type (Root_Parent);
Dump_Types (Child_Types);
end;
end Process_Tree_Refs;
procedure Process_Source_Dirs (Args : GNATCOLL.Arg_Lists.Arg_List)
is
pragma Unreferenced (Args);
begin
Put (Source_Search_Path.all);
end Process_Source_Dirs;
procedure Put (Item : GNATCOLL.VFS.File_Array)
is
use GNATCOLL.VFS;
begin
for I in Item'Range loop
Ada.Text_IO.Put_Line (+Full_Name (Item (I)));
end loop;
end Put;
----------
-- SQL error reporting
type SQL_Error_Reporter is new GNATCOLL.SQL.Exec.Error_Reporter with null record;
overriding procedure On_Error
(Self : in out SQL_Error_Reporter;
Connection : access GNATCOLL.SQL.Exec.Database_Connection_Record'Class;
Message : in String)
is
pragma Unreferenced (Self, Connection);
begin
Ada.Text_IO.Put_Line ("gpr_query: sql error on create database: " & Message);
end On_Error;
-- For some reason, gnat community 2020 doesn't like this:
-- overriding procedure On_Warning
-- (Self : in out SQL_Error_Reporter;
-- Connection : access GNATCOLL.SQL.Exec.Database_Connection_Record'Class;
-- Message : in String)
-- is begin
-- Ada.Text_IO.Put_Line ("gpr_query: sql warning on create database: " & Message);
-- end On_Warning;
Error_Reporter : aliased SQL_Error_Reporter;
begin
Ada.Text_IO.Put_Line ("version: " & Version);
declare
use GNAT.Command_Line;
begin
Set_Usage
(Cmdline,
Help => "Query project info and cross-references on source code. See ada-mode docs for more help.");
-- Switch variable alphabetic order
Define_Switch
(Cmdline,
Output => ALI_Encoding'Access,
Long_Switch => "--encoding=",
Switch => "-e=",
Help => "The character encoding used for source and ALI files");
Define_Switch
(Cmdline,
Output => Commands_From_Switch'Access,
Switch => "-c:",
Long_Switch => "--command=",
Help => "Execute the commands from ARG, and exit");
Define_Switch
(Cmdline,
Output => DB_Name'Access,
Long_Switch => "--db=",
Help => "Specifies the name of the database file (or ':memory:')");
Define_Switch
(Cmdline,
Output => Force_Refresh'Access,
Long_Switch => "--force_refresh",
Help => "Force rebuilding the database.");
Define_Switch
(Cmdline,
Output => Gpr_Config_File'Access,
Long_Switch => "--autoconf=",
Help => "Specify the gpr configuration file (.cgpr)");
Define_Switch
(Cmdline,
Output => Nightly_DB_Name'Access,
Long_Switch => "--nightlydb=",
Help => "Specifies the name of a prebuilt database");
Define_Switch
(Cmdline,
Output => Project_File_Name'Access,
Switch => "-P:",
Long_Switch => "--project=",
Help => "Load the given project (mandatory)");
Define_Switch
(Cmdline,
Output => Show_Progress'Access,
Long_Switch => "--display_progress",
Switch => "-d",
Help => "Show progress as LI files are parsed");
Define_Switch
(Cmdline,
Output => Traces_Config_File'Access,
Long_Switch => "--tracefile=",
Help =>
"Specify a traces configuration file, set projects lib verbose. File should contain ""gpr_query=yes""");
Getopt (Cmdline, Callback => null);
exception
when Exit_From_Command_Line =>
-- from "--help"
return;
end;
if Project_File_Name.all = "" then
Ada.Text_IO.Put_Line ("No project file specified");
GNAT.Command_Line.Display_Help (Cmdline);
return;
end if;
-- Only trace if user specifies --tracefile
if Traces_Config_File.all /= "" and then GNAT.OS_Lib.Is_Regular_File (Traces_Config_File.all) then
GNATCOLL.Traces.Parse_Config_File
(Filename => Traces_Config_File.all,
Force_Activation => False);
GNATCOLL.Traces.Trace (Me, "trace enabled");
GNATCOLL.Traces.Trace (Me, "current directory: " & Ada.Directories.Current_Directory);
end if;
GNATCOLL.Projects.Initialize (Env); -- for register_default_language
if Gpr_Config_File.all /= "" and then GNAT.OS_Lib.Is_Regular_File (Gpr_Config_File.all) then
Env.Set_Config_File
(GNATCOLL.VFS.Create_From_UTF8
(GNAT.OS_Lib.Normalize_Pathname
(Name => Gpr_Config_File.all,
Directory => GNAT.Directory_Operations.Get_Current_Dir)));
else
-- Apparently Ada language extensions are already registered (sigh)
Env.Register_Default_Language_Extension
(Language_Name => "C",
Default_Spec_Suffix => ".h",
Default_Body_Suffix => ".c");
Env.Register_Default_Language_Extension
(Language_Name => "C++",
Default_Spec_Suffix => ".hh",
Default_Body_Suffix => ".cpp");
end if;
declare
use Ada.Environment_Variables;
use Ada.Text_IO;
use GNATCOLL.VFS;
use GNATCOLL.VFS_Utils;
Gpr_Project_Path : constant String :=
(if Exists ("GPR_PROJECT_PATH") then Ada.Directories.Current_Directory &
GNAT.OS_Lib.Path_Separator &
Value ("GPR_PROJECT_PATH")
else Ada.Directories.Current_Directory);
Path : constant Virtual_File := -- must be an absolute file name
(if Is_Absolute_Path (+Project_File_Name.all) then
Create_From_UTF8 (Project_File_Name.all, Normalize => True)
else
Locate_Regular_File (+Project_File_Name.all, From_Path (+Gpr_Project_Path)));
begin
GNATCOLL.Traces.Trace (Me, "GPR_PROJECT_PATH " & Gpr_Project_Path);
if not Path.Is_Regular_File then
declare
Path : constant File_Array := From_Path (+Gpr_Project_Path);
begin
Put_Line (Project_File_Name.all & ": not found on path:");
for P of Path loop
Put_Line (+Full_Name (P));
end loop;
end;
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
return;
end if;
GNATCOLL.Traces.Trace (Me, "project file " & (+Path.Full_Name));
if Show_Progress then
Progress_Reporter := Display_Progress'Unrestricted_Access;
end if;
begin
-- Recompute_View => True registers all the source files
-- (among other things), so we will know that a .[ag]li
-- belongs to this project
Tree.Load
(Path, Env,
Errors => Ada.Text_IO.Put_Line'Access,
Recompute_View => True);
exception
when GNATCOLL.Projects.Invalid_Project =>
Ada.Text_IO.Put_Line ("project search path:");
Put (GNATCOLL.Projects.Predefined_Project_Path (Env.all));
raise GNATCOLL.Projects.Invalid_Project with +Path.Full_Name & ": invalid project";
end;
end;
if DB_Name.all /= ":memory:" then
declare
use GNATCOLL.VFS;
N : constant String := DB_Name.all;
Temp : Virtual_File := Tree.Root_Project.Object_Dir;
Dir2 : Virtual_File;
begin
GNAT.Strings.Free (DB_Name);
-- If the project does not have an object directory, create
-- the database in the directory containing the project file.
if Temp = No_File then
Temp := Tree.Root_Project.Project_Path.Dir;
end if;
Temp := Create_From_Base (Base_Dir => Temp.Full_Name.all, Base_Name => +N);
Dir2 := Create (Temp.Dir_Name);
if not Dir2.Is_Directory then
Dir2.Make_Dir (Recursive => True);
end if;
DB_Name := new String'(Temp.Display_Full_Name);
end;
end if;
declare
-- Error if DB_Name does not exist but is in a read-only directory.
-- The Errors parameter to Sqlite.Setup does not help here; it
-- reports no error. Ada.Directories does not support a "writeable"
-- query.
use Ada.Directories;
begin
if DB_Name.all = ":memory:" then
null;
elsif Exists (DB_Name.all) then
-- If this is read-only, we assume it is up to date and the user is
-- just browsing.
null;
else
declare
use GNATCOLL.VFS;
Dir_Name : constant String := Containing_Directory (DB_Name.all);
Dir_File : constant Virtual_File := Create (Filesystem_String (Dir_Name));
begin
if Is_Writable (Dir_File) then
null;
else
raise DB_Error with "database file '" & DB_Name.all & "' does not exist, and directory is not writeable";
end if;
end;
end if;
end;
declare
use type GNAT.Strings.String_Access;
Error : GNAT.Strings.String_Access;
begin
GNATCOLL.Traces.Trace (Me, "using database " & DB_Name.all);
Setup_DB
(Self => Xref,
Tree => Tree'Unchecked_Access,
DB => GNATCOLL.SQL.Sqlite.Setup
(Database => DB_Name.all,
Errors => Error_Reporter'Unchecked_Access),
Error => Error);
if Error /= null then
-- old db schema
raise DB_Error with Error.all;
end if;
end;
Process_Refresh (GNATCOLL.Arg_Lists.Empty_Command_Line);
Source_Search_Path := new GNATCOLL.VFS.File_Array'
(GNATCOLL.Projects.Source_Dirs
(Project => Tree.Root_Project,
Recursive => True) &
GNATCOLL.Projects.Predefined_Source_Path (Env.all));
if Commands_From_Switch.all /= "" then
Process_Line (Commands_From_Switch.all);
return;
end if;
loop
Ada.Text_IO.Put (">>> ");
declare
Input : constant String := Ada.Text_IO.Get_Line;
begin
exit when Input = "exit";
Process_Line (Input);
exception
when E : Invalid_Command =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Message (E));
Process_Help (GNATCOLL.Arg_Lists.Empty_Command_Line);
end;
end loop;
exception
when Ada.IO_Exceptions.End_Error =>
null;
when E : GNATCOLL.Projects.Invalid_Project =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Message (E));
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
when E : DB_Error =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Message (E));
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
when E : Invalid_Command =>
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Message (E));
Process_Help (GNATCOLL.Arg_Lists.Empty_Command_Line);
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
when GNAT.Command_Line.Invalid_Switch =>
GNAT.Command_Line.Display_Help (Cmdline);
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
when E : others =>
Ada.Text_IO.Put_Line ("Unexpected exception");
Ada.Text_IO.Put_Line (Ada.Exceptions.Exception_Information (E));
Ada.Text_IO.Put_Line (GNAT.Traceback.Symbolic.Symbolic_Traceback (Ada.Exceptions.Traceback.Tracebacks (E)));
Ada.Command_Line.Set_Exit_Status (Ada.Command_Line.Failure);
end Gpr_Query;
|