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415dddc8
RK		 1------------------------------------------------------------------------------
2-- --
3-- GNAT COMPILER COMPONENTS --
4-- --
5-- U S A G E --
6-- --
7-- B o d y --
415dddc8 8-- --
4b490c1e 9-- Copyright (C) 1992-2020, Free Software Foundation, Inc. --
415dddc8
RK		 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- --
b5c84c3c 13-- ware Foundation; either version 3, or (at your option) any later ver- --
415dddc8
RK		 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 --
b5c84c3c
RD		 18-- Public License distributed with GNAT; see file COPYING3. If not, go to --
19-- http://www.gnu.org/licenses for a complete copy of the license. --
415dddc8
RK		 20-- --
21-- GNAT was originally developed by the GNAT team at New York University. --
71ff80dc 22-- Extensive contributions were provided by Ada Core Technologies Inc. --
415dddc8
RK		 23-- --
24------------------------------------------------------------------------------
25
1a5f40e1
VC		 26-- Warning: the output of this usage for warnings is duplicated in the GNAT
27-- reference manual. Be sure to update that if you change the warning list.
28
8f7770f9
RD		 29with Namet; use Namet;
30with Opt; use Opt;
31with Osint; use Osint;
32with Output; use Output;
33
415dddc8
RK		 34with System.WCh_Con; use System.WCh_Con;
35
36procedure Usage is
37
38 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat");
07fc65c4 39 -- Output two spaces followed by the switch character minus followed
b8dfbe1e
AC		 40 -- Prefix, followed by the string given as the argument, and then enough
41 -- blanks to tab to column 13, i.e. assuming Sw is not longer than 5
42 -- characters, the maximum allowed, Write_Switch_Char will always output
43 -- exactly 12 characters.
415dddc8 44
8f7770f9
RD		 45 -----------------------
46 -- Write_Switch_Char --
47 -----------------------
48
415dddc8
RK		 49 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is
50 begin
07fc65c4 51 Write_Str (" -");
415dddc8
RK		 52 Write_Str (Prefix);
53 Write_Str (Sw);
54
55 for J in 1 .. 12 - 3 - Prefix'Length - Sw'Length loop
56 Write_Char (' ');
57 end loop;
58 end Write_Switch_Char;
59
60-- Start of processing for Usage
61
62begin
63 Find_Program_Name;
64
65 -- For gnatmake, we are appending this information to the end of
66 -- the normal gnatmake output, so generate appropriate header
67
68 if Name_Len >= 8
69 and then (Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake"
70 or else
71 Name_Buffer (Name_Len - 7 .. Name_Len) = "GNATMAKE")
72 then
73 Write_Eol;
74 Write_Line ("Compiler switches (passed to the compiler by gnatmake):");
75
76 else
77 -- Usage line
78
79 Write_Str ("Usage: ");
80 Write_Program_Name;
81 Write_Char (' ');
82 Write_Str ("switches sfile");
83 Write_Eol;
84 Write_Eol;
85
86 -- Line for sfile
87
88 Write_Line (" sfile Source file name");
89 end if;
90
91 Write_Eol;
92
e3d9f448 93 -- Common switches available everywhere
415dddc8
RK		 94
95 Write_Switch_Char ("g ", "");
96 Write_Line ("Generate debugging information");
97
98 Write_Switch_Char ("Idir ", "");
99 Write_Line ("Specify source files search path");
100
101 Write_Switch_Char ("I- ", "");
102 Write_Line ("Do not look for sources in current directory");
103
104 Write_Switch_Char ("O[0123] ", "");
105 Write_Line ("Control the optimization level");
106
107 Write_Eol;
108
109 -- Individual lines for switches. Write_Switch_Char outputs fourteen
17cf9038
AC		 110 -- characters, so the remaining message is allowed to be a maximum of
111 -- 65 characters to be comfortable in an 80 character window.
415dddc8
RK		 112
113 -- Line for -gnata switch
114
115 Write_Switch_Char ("a");
116 Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated");
117
118 -- Line for -gnatA switch
119
120 Write_Switch_Char ("A");
121 Write_Line ("Avoid processing gnat.adc, if present file will be ignored");
122
123 -- Line for -gnatb switch
124
125 Write_Switch_Char ("b");
126 Write_Line ("Generate brief messages to stderr even if verbose mode set");
127
4351c21b
AC		 128 -- Line for -gnatB switch
129
130 Write_Switch_Char ("B");
131 Write_Line ("Assume no bad (invalid) values except in 'Valid attribute");
132
415dddc8
RK		 133 -- Line for -gnatc switch
134
135 Write_Switch_Char ("c");
136 Write_Line ("Check syntax and semantics only (no code generation)");
137
76efd572
AC		 138 -- Line for -gnatC switch
139
140 Write_Switch_Char ("C");
592574f5 141 Write_Line ("Generate CodePeer intermediate format (no code generation)");
76efd572 142
415dddc8
RK		 143 -- Line for -gnatd switch
144
145 Write_Switch_Char ("d?");
fbf5a39b 146 Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb");
415dddc8
RK		 147
148 -- Line for -gnatD switch
149
150 Write_Switch_Char ("D");
dcd8728b
RD		 151 Write_Line ("Debug expanded generated code (max line length = 72)");
152 Write_Switch_Char ("Dnn");
a2dc5812 153 Write_Line ("Debug expanded generated code (max line length = nn)");
415dddc8 154
9f5b865a 155 -- No line for -gnatea : internal switch
33decf81 156
e8dde875
AC		 157 -- Line for -gnateA switch
158
159 Write_Switch_Char ("eA");
160 Write_Line ("Aliasing checks on subprogram parameters");
161
415dddc8
RK		 162 -- Line for -gnatec switch
163
fbf5a39b
AC		 164 Write_Switch_Char ("ec=?");
165 Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc");
166
592574f5
AC		 167 -- Line for -gnateC switch
168
169 Write_Switch_Char ("eC");
170 Write_Line ("Generate CodePeer messages (ignored without -gnatcC)");
171
12b4d338
AC		 172 -- Line for -gnated switch
173
174 Write_Switch_Char ("ed");
175 Write_Line ("Disable synchronization of atomic variables");
176
fbf5a39b
AC		 177 -- Line for -gnateD switch
178
179 Write_Switch_Char ("eD?");
180 Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val");
181
437f8c1e
AC		 182 -- Line for -gnateE switch
183
184 Write_Switch_Char ("eE");
185 Write_Line ("Generate extra information in exception messages");
186
fbf5a39b
AC		 187 -- Line for -gnatef switch
188
189 Write_Switch_Char ("ef");
190 Write_Line ("Full source path in brief error messages");
415dddc8 191
67b8ac46
AC		 192 -- Line for -gnateF switch
193
194 Write_Switch_Char ("eF");
195 Write_Line ("Check overflow on predefined Float types");
196
f2170041
AC		 197 -- Line for -gnateG switch
198
199 Write_Switch_Char ("eG");
200 Write_Line ("Generate preprocessed source");
201
1f163ef7
AC		 202 -- Line for -gnatei switch
203
204 Write_Switch_Char ("einn");
4c51ff88 205 Write_Line ("Set maximum number of instantiations to nn");
1f163ef7 206
6b6fcd3e
AC		 207 -- Line for -gnateI switch
208
aa635439 209 Write_Switch_Char ("eInn");
6b6fcd3e
AC		 210 Write_Line ("Index in multi-unit source, e.g. -gnateI2");
211
fe2194df
RD		 212 -- Line for -gnatel switch
213
214 Write_Switch_Char ("el");
215 Write_Line ("Turn on info messages on generated Elaborate[_All] pragmas");
216
217 -- Line for -gnateL switch
218
219 Write_Switch_Char ("eL");
220 Write_Line ("Turn off info messages on generated Elaborate[_All] pragmas");
221
6510f4c9
GB		 222 -- Line for -gnatem switch
223
fbf5a39b
AC		 224 Write_Switch_Char ("em=?");
225 Write_Line ("Specify mapping file, e.g. -gnatem=mapping");
226
9f5b865a 227 -- No line for -gnateO=? : internal switch
33decf81 228
fbf5a39b
AC		 229 -- Line for -gnatep switch
230
231 Write_Switch_Char ("ep=?");
232 Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data");
6510f4c9 233
ce09f8b3
AC		 234 -- Line for -gnateP switch
235
236 Write_Switch_Char ("eP");
237 Write_Line ("Pure/Prelaborate errors generate warnings rather than errors");
238
6b6041ec 239 -- No line for -gnates=? : internal switch
5f0c4d67 240
6f12117a
RD		 241 -- Line for -gnateS switch
242
243 Write_Switch_Char ("eS");
244 Write_Line ("Generate SCO (Source Coverage Obligation) information");
245
5e29ae82
AC		 246 -- Line for -gnatet switch
247
340772c0
RD		 248 Write_Switch_Char ("et=?");
249 Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf");
289a994b
AC		 250
251 -- Line for -gnateT switch
252
340772c0
RD		 253 Write_Switch_Char ("eT=?");
254 Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf");
5e29ae82 255
0247964d
AC		 256 -- Line for -gnateu switch
257
258 Write_Switch_Char ("eu");
259 Write_Line ("Ignore unrecognized style/validity/warning switches");
260
e8dde875
AC		 261 -- Line for -gnateV switch
262
263 Write_Switch_Char ("eV");
264 Write_Line ("Validity checks on subprogram parameters");
265
42f1d661
AC		 266 -- Line for -gnateY switch
267
268 Write_Switch_Char ("eY");
269 Write_Line ("Ignore all Style_Checks pragmas in source");
270
9f5b865a 271 -- No line for -gnatez : internal switch
33decf81 272
415dddc8
RK		 273 -- Line for -gnatE switch
274
275 Write_Switch_Char ("E");
276 Write_Line ("Dynamic elaboration checking mode enabled");
277
278 -- Line for -gnatf switch
279
280 Write_Switch_Char ("f");
281 Write_Line ("Full errors. Verbose details, all undefined references");
282
283 -- Line for -gnatF switch
284
285 Write_Switch_Char ("F");
286 Write_Line ("Force all import/export external names to all uppercase");
287
288 -- Line for -gnatg switch
289
290 Write_Switch_Char ("g");
291 Write_Line ("GNAT implementation mode (used for compiling GNAT units)");
292
dcd8728b 293 -- Lines for -gnatG switch
415dddc8
RK		 294
295 Write_Switch_Char ("G");
dcd8728b
RD		 296 Write_Line ("Output generated expanded code (max line length = 72)");
297 Write_Switch_Char ("Gnn");
298 Write_Line ("Output generated expanded code (max line length = nn)");
415dddc8
RK		 299
300 -- Line for -gnath switch
301
302 Write_Switch_Char ("h");
303 Write_Line ("Output this usage (help) information");
304
967947ed
PMR		 305 -- Line for -gnatH switch
306
307 Write_Switch_Char ("H");
308 Write_Line ("Legacy elaboration checking mode enabled");
309
415dddc8
RK		 310 -- Line for -gnati switch
311
312 Write_Switch_Char ("i?");
07fc65c4 313 Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)");
415dddc8 314
c690a2ec
RD		 315 -- Line for -gnatI switch
316
317 Write_Switch_Char ("I");
318 Write_Line ("Ignore all representation clauses");
319
ba1cbfb9
RD		 320 -- Line for -gnatj switch
321
322 Write_Switch_Char ("jnn");
323 Write_Line ("Format error and warning messages to fit nn character lines");
324
967947ed
PMR		 325 -- Line for -gnatJ switch
326
327 Write_Switch_Char ("J");
328 Write_Line ("Relaxed elaboration checking mode enabled");
329
415dddc8
RK		 330 -- Line for -gnatk switch
331
332 Write_Switch_Char ("k");
aa635439 333 Write_Line ("Limit file names to nn characters (k = krunch)");
415dddc8 334
ba1cbfb9 335 -- Lines for -gnatl switch
415dddc8
RK		 336
337 Write_Switch_Char ("l");
338 Write_Line ("Output full source listing with embedded error messages");
ba1cbfb9
RD		 339 Write_Switch_Char ("l=f");
340 Write_Line ("Output full source listing to specified file");
341
342 -- Line for -gnatL switch
343
344 Write_Switch_Char ("L");
345 Write_Line ("List corresponding source text in -gnatG or -gnatD output");
415dddc8 346
415dddc8
RK		 347 -- Line for -gnatm switch
348
aa635439 349 Write_Switch_Char ("mnn");
923e6ff3 350 Write_Line ("Limit number of detected errors/warnings to nn (1-999999)");
415dddc8
RK		 351
352 -- Line for -gnatn switch
353
31821c0f 354 Write_Switch_Char ("n[?]");
86e74d58 355 Write_Line ("Enable pragma Inline across units (?=1/2 for moderate/full)");
415dddc8 356
415dddc8
RK		 357 -- Line for -gnato switch
358
549cc9c2 359 Write_Switch_Char ("o0");
fb757f7d 360 Write_Line ("Disable overflow checking");
549cc9c2 361
415dddc8 362 Write_Switch_Char ("o");
549cc9c2 363 Write_Line ("Enable overflow checking in STRICT (-gnato1) mode (default)");
538dbb56 364
b9daa96e 365 -- Lines for -gnato? switches
538dbb56
AC		 366
367 Write_Switch_Char ("o?");
b9daa96e
AC		 368 Write_Line
369 ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode ");
538dbb56 370 Write_Switch_Char ("o??");
b9daa96e
AC		 371 Write_Line
372 ("Set mode for general/assertion expressions separately");
415dddc8 373
9f5b865a 374 -- No line for -gnatO : internal switch
415dddc8
RK		 375
376 -- Line for -gnatp switch
377
378 Write_Switch_Char ("p");
379 Write_Line ("Suppress all checks");
380
381 -- Line for -gnatP switch
382
383 Write_Switch_Char ("P");
384 Write_Line ("Generate periodic calls to System.Polling.Poll");
385
386 -- Line for -gnatq switch
387
388 Write_Switch_Char ("q");
389 Write_Line ("Don't quit, try semantics, even if parse errors");
390
391 -- Line for -gnatQ switch
392
393 Write_Switch_Char ("Q");
394 Write_Line ("Don't quit, write ali/tree file even if compile errors");
395
23e6615e
RD		 396 -- Line for -gnatr switch
397
398 Write_Switch_Char ("r");
399 Write_Line ("Treat pragma Restrictions as Restriction_Warnings");
400
aa720a54 401 -- Lines for -gnatR switch
415dddc8
RK		 402
403 Write_Switch_Char ("R?");
4bb9c7b9 404 Write_Line
b5f581cd 405 ("List rep info (?=0/1/2/3/4/e/m for none/types/all/sym/cg/ext/mech)");
de9b2a96
EB		 406 Write_Switch_Char ("R?j");
407 Write_Line ("List rep info in the JSON data interchange format");
aa720a54
AC		 408 Write_Switch_Char ("R?s");
409 Write_Line ("List rep info to file.rep instead of standard output");
415dddc8 410
b9daa96e 411 -- Line for -gnats switch
415dddc8
RK		 412
413 Write_Switch_Char ("s");
414 Write_Line ("Syntax check only");
415
b9daa96e 416 -- Line for -gnatS switch
9596236a
AC		 417
418 Write_Switch_Char ("S");
419 Write_Line ("Print listing of package Standard");
420
b9daa96e 421 -- Line for -gnatt switch
415dddc8
RK		 422
423 Write_Switch_Char ("t");
424 Write_Line ("Tree output file to be generated");
425
b9daa96e 426 -- Line for -gnatTnn switch
415dddc8 427
aa635439
AC		 428 Write_Switch_Char ("Tnn");
429 Write_Line ("All compiler tables start at nn times usual starting size");
415dddc8
RK		 430
431 -- Line for -gnatu switch
432
433 Write_Switch_Char ("u");
434 Write_Line ("List units for this compilation");
435
436 -- Line for -gnatU switch
437
438 Write_Switch_Char ("U");
439 Write_Line ("Enable unique tag for error messages");
440
441 -- Line for -gnatv switch
442
443 Write_Switch_Char ("v");
444 Write_Line ("Verbose mode. Full error output with source lines to stdout");
445
b9daa96e 446 -- Lines for -gnatV switch
415dddc8 447
9a5621d7 448 Write_Switch_Char ("Vxx");
415dddc8 449 Write_Line
9a5621d7
RD		 450 ("Enable selected validity checking mode, xx = list of parameters:");
451 Write_Line (" a turn on all validity checking options");
07fc65c4
GB		 452 Write_Line (" c turn on checking for copies");
453 Write_Line (" C turn off checking for copies");
454 Write_Line (" d turn on default (RM) checking");
455 Write_Line (" D turn off default (RM) checking");
ba1cbfb9
RD		 456 Write_Line (" e turn on checking for elementary components");
457 Write_Line (" E turn off checking for elementary components");
07fc65c4
GB		 458 Write_Line (" f turn on checking for floating-point");
459 Write_Line (" F turn off checking for floating-point");
460 Write_Line (" i turn on checking for in params");
461 Write_Line (" I turn off checking for in params");
462 Write_Line (" m turn on checking for in out params");
463 Write_Line (" M turn off checking for in out params");
61770974 464 Write_Line (" n turn off all validity checks (including RM)");
07fc65c4
GB		 465 Write_Line (" o turn on checking for operators/attributes");
466 Write_Line (" O turn off checking for operators/attributes");
fbf5a39b
AC		 467 Write_Line (" p turn on checking for parameters");
468 Write_Line (" P turn off checking for parameters");
07fc65c4
GB		 469 Write_Line (" r turn on checking for returns");
470 Write_Line (" R turn off checking for returns");
471 Write_Line (" s turn on checking for subscripts");
472 Write_Line (" S turn off checking for subscripts");
473 Write_Line (" t turn on checking for tests");
474 Write_Line (" T turn off checking for tests");
415dddc8
RK		 475
476 -- Lines for -gnatw switch
477
478 Write_Switch_Char ("wxx");
479 Write_Line ("Enable selected warning modes, xx = list of parameters:");
616547fa
AC		 480 Write_Line (" * indicates default setting");
481 Write_Line (" + indicates warning flag included in -gnatwa");
51bf9bdf 482 Write_Line (" a turn on all info/warnings marked below with +");
3acdda2d 483 Write_Line (" A turn off all optional info/warnings");
51bf9bdf 484 Write_Line (" .a*+ turn on warnings for failing assertion");
4ae23b62 485 Write_Line (" .A turn off warnings for failing assertion");
b3889fff
JS		 486 Write_Line (" _a*+ turn on warnings for anonymous allocators");
487 Write_Line (" _A turn off warnings for anonymous allocators");
51bf9bdf 488 Write_Line (" b+ turn on warnings for bad fixed value " &
debe0ab6
RD		 489 "(not multiple of small)");
490 Write_Line (" B* turn off warnings for bad fixed value " &
491 "(not multiple of small)");
51bf9bdf 492 Write_Line (" .b*+ turn on warnings for biased representation");
4ae23b62 493 Write_Line (" .B turn off warnings for biased representation");
51bf9bdf 494 Write_Line (" c+ turn on warnings for constant conditional");
fbf5a39b 495 Write_Line (" C* turn off warnings for constant conditional");
51bf9bdf 496 Write_Line (" .c+ turn on warnings for unrepped components");
8f7770f9 497 Write_Line (" .C* turn off warnings for unrepped components");
1a14bfbd
YM		 498 Write_Line (" _c* turn on warnings for unknown " &
499 "Compile_Time_Warning");
500 Write_Line (" _C turn off warnings for unknown " &
501 "Compile_Time_Warning");
fbf5a39b
AC		 502 Write_Line (" d turn on warnings for implicit dereference");
503 Write_Line (" D* turn off warnings for implicit dereference");
17cf9038
AC		 504 Write_Line (" .d turn on tagging of warnings with -gnatw switch");
505 Write_Line (" .D* turn off tagging of warnings with -gnatw switch");
3acdda2d
AC		 506 Write_Line (" e treat all warnings (but not info) as errors");
507 Write_Line (" .e turn on every optional info/warning " &
508 "(no exceptions)");
2d249f52 509 Write_Line (" E treat all run-time warnings as errors");
51bf9bdf 510 Write_Line (" f+ turn on warnings for unreferenced formal");
fbf5a39b 511 Write_Line (" F* turn off warnings for unreferenced formal");
91669e7e 512 Write_Line (" .f turn on warnings for suspicious Subp'Access");
4ffafd86 513 Write_Line (" .F* turn off warnings for suspicious Subp'Access");
51bf9bdf 514 Write_Line (" g*+ turn on warnings for unrecognized pragma");
fbf5a39b 515 Write_Line (" G turn off warnings for unrecognized pragma");
3f1bc2cf 516 Write_Line (" .g turn on GNAT warnings");
ff2efe85
AC		 517 Write_Line (" h turn on warnings for hiding declarations");
518 Write_Line (" H* turn off warnings for hiding declarations");
9a1bc6d5
AC		 519 Write_Line (" .h turn on warnings for holes in records");
520 Write_Line (" .H* turn off warnings for holes in records");
51bf9bdf 521 Write_Line (" i*+ turn on warnings for implementation unit");
fbf5a39b 522 Write_Line (" I turn off warnings for implementation unit");
d3820795
JM		 523 Write_Line (" .i*+ turn on warnings for overlapping actuals");
524 Write_Line (" .I turn off warnings for overlapping actuals");
51bf9bdf 525 Write_Line (" j+ turn on warnings for obsolescent " &
fbf5a39b
AC		 526 "(annex J) feature");
527 Write_Line (" J* turn off warnings for obsolescent " &
528 "(annex J) feature");
48c8c473
AC		 529 Write_Line (" .j+ turn on warnings for late dispatching " &
530 "primitives");
531 Write_Line (" .J* turn off warnings for late dispatching " &
532 "primitives");
51bf9bdf 533 Write_Line (" k+ turn on warnings on constant variable");
fbf5a39b 534 Write_Line (" K* turn off warnings on constant variable");
c607e6d5 535 Write_Line (" .k turn on warnings for standard redefinition");
616547fa 536 Write_Line (" .K* turn off warnings for standard redefinition");
fe2194df
RD		 537 Write_Line (" l turn on warnings for elaboration problems");
538 Write_Line (" L* turn off warnings for elaboration problems");
b2009d46 539 Write_Line (" .l turn on info messages for inherited aspects");
8190087e 540 Write_Line (" .L* turn off info messages for inherited aspects");
51bf9bdf 541 Write_Line (" m+ turn on warnings for variable assigned " &
fbf5a39b
AC		 542 "but not read");
543 Write_Line (" M* turn off warnings for variable assigned " &
544 "but not read");
b329a739 545 Write_Line (" .m*+ turn on warnings for suspicious modulus value");
79afa047 546 Write_Line (" .M turn off warnings for suspicious modulus value");
fbf5a39b 547 Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)");
0add5a95
AC		 548 Write_Line (" .n turn on info messages for atomic " &
549 "synchronization");
550 Write_Line (" .N* turn off info messages for atomic " &
551 "synchronization");
fbf5a39b
AC		 552 Write_Line (" o* turn on warnings for address clause overlay");
553 Write_Line (" O turn off warnings for address clause overlay");
36fcf362 554 Write_Line (" .o turn on warnings for out parameters assigned " &
67ce0d7e 555 "but not read");
36fcf362 556 Write_Line (" .O* turn off warnings for out parameters assigned " &
67ce0d7e 557 "but not read");
51bf9bdf 558 Write_Line (" p+ turn on warnings for ineffective pragma " &
1a5f40e1 559 "Inline in frontend");
8f7770f9 560 Write_Line (" P* turn off warnings for ineffective pragma " &
1a5f40e1 561 "Inline in frontend");
51bf9bdf 562 Write_Line (" .p+ turn on warnings for suspicious parameter " &
1a5f40e1
VC		 563 "order");
564 Write_Line (" .P* turn off warnings for suspicious parameter " &
565 "order");
51bf9bdf 566 Write_Line (" q*+ turn on warnings for questionable " &
4ae23b62 567 "missing parenthesis");
a9a5b8ac 568 Write_Line (" Q turn off warnings for questionable " &
4ae23b62 569 "missing parenthesis");
683af98c
AC		 570 Write_Line (" .q+ turn on warnings for questionable layout of " &
571 "record types");
572 Write_Line (" .Q* turn off warnings for questionable layout of " &
573 "record types");
51bf9bdf 574 Write_Line (" r+ turn on warnings for redundant construct");
fbf5a39b 575 Write_Line (" R* turn off warnings for redundant construct");
51bf9bdf 576 Write_Line (" .r+ turn on warnings for object renaming function");
8f7770f9 577 Write_Line (" .R* turn off warnings for object renaming function");
1a14bfbd
YM		 578 Write_Line (" _r turn on warnings for components out of order");
579 Write_Line (" _R turn off warnings for components out of order");
3acdda2d 580 Write_Line (" s suppress all info/warnings");
b3f48fd4
AC		 581 Write_Line (" .s turn on warnings for overridden size clause");
582 Write_Line (" .S* turn off warnings for overridden size clause");
ba1cbfb9
RD		 583 Write_Line (" t turn on warnings for tracking deleted code");
584 Write_Line (" T* turn off warnings for tracking deleted code");
ca1ffed0
AC		 585 Write_Line (" .t*+ turn on warnings for suspicious contract");
586 Write_Line (" .T turn off warnings for suspicious contract");
51bf9bdf 587 Write_Line (" u+ turn on warnings for unused entity");
fbf5a39b 588 Write_Line (" U* turn off warnings for unused entity");
bd29d519
AC		 589 Write_Line (" .u turn on warnings for unordered enumeration");
590 Write_Line (" .U* turn off warnings for unordered enumeration");
51bf9bdf 591 Write_Line (" v*+ turn on warnings for unassigned variable");
fbf5a39b 592 Write_Line (" V turn off warnings for unassigned variable");
51bf9bdf 593 Write_Line (" .v*+ turn on info messages for reverse bit order");
3acdda2d 594 Write_Line (" .V turn off info messages for reverse bit order");
51bf9bdf 595 Write_Line (" w*+ turn on warnings for wrong low bound assumption");
ba1cbfb9
RD		 596 Write_Line (" W turn off warnings for wrong low bound " &
597 "assumption");
da508766 598 Write_Line (" .w turn on warnings on pragma Warnings Off");
fd22cd21 599 Write_Line (" .W* turn off warnings on pragma Warnings Off");
51bf9bdf 600 Write_Line (" x*+ turn on warnings for export/import");
f81e6250 601 Write_Line (" X turn off warnings for export/import");
51bf9bdf 602 Write_Line (" .x+ turn on warnings for non-local exception");
4ae23b62 603 Write_Line (" .X* turn off warnings for non-local exception");
d986066d
AC		 604 Write_Line (" y*+ turn on warnings for Ada compatibility issues");
605 Write_Line (" Y turn off warnings for Ada compatibility issues");
98779361
RD		 606 Write_Line (" .y turn on info messages for why pkg body needed");
607 Write_Line (" .Y* turn off info messages for why pkg body needed");
51bf9bdf 608 Write_Line (" z*+ turn on warnings for suspicious " &
382d35e0
RD		 609 "unchecked conversion");
610 Write_Line (" Z turn off warnings for suspicious " &
611 "unchecked conversion");
3f1bc2cf
AC		 612 Write_Line (" .z*+ turn on warnings for record size not a " &
613 "multiple of alignment");
614 Write_Line (" .Z turn off warnings for record size not a " &
615 "multiple of alignment");
415dddc8
RK		 616
617 -- Line for -gnatW switch
618
354c3840
AC		 619 Write_Switch_Char ("W?");
620 Write_Str ("Wide character encoding method (?=");
415dddc8
RK		 621
622 for J in WC_Encoding_Method loop
623 Write_Char (WC_Encoding_Letters (J));
624
625 if J = WC_Encoding_Method'Last then
626 Write_Char (')');
627 else
628 Write_Char ('/');
629 end if;
630 end loop;
631
632 Write_Eol;
633
634 -- Line for -gnatx switch
635
636 Write_Switch_Char ("x");
637 Write_Line ("Suppress output of cross-reference information");
638
639 -- Line for -gnatX switch
640
641 Write_Switch_Char ("X");
642 Write_Line ("Language extensions permitted");
643
644 -- Lines for -gnaty switch
645
646 Write_Switch_Char ("y");
448f2610 647 Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)");
415dddc8
RK		 648 Write_Switch_Char ("yxx");
649 Write_Line ("Enable selected style checks xx = list of parameters:");
650 Write_Line (" 1-9 check indentation");
651 Write_Line (" a check attribute casing");
a9a5b8ac 652 Write_Line (" A check array attribute indexes");
415dddc8 653 Write_Line (" b check no blanks at end of lines");
a36c1c3e 654 Write_Line (" B check no use of AND/OR for boolean expressions");
a2773bd3
AC		 655 Write_Line (" c check comment format (two spaces)");
656 Write_Line (" C check comment format (one space)");
debe0ab6 657 Write_Line (" d check no DOS line terminators");
415dddc8
RK		 658 Write_Line (" e check end/exit labels present");
659 Write_Line (" f check no form feeds/vertical tabs in source");
17cf9038 660 Write_Line (" g check standard GNAT style rules, same as ydISux");
415dddc8
RK		 661 Write_Line (" h check no horizontal tabs in source");
662 Write_Line (" i check if-then layout");
4f73f89c 663 Write_Line (" I check mode in");
fbf5a39b 664 Write_Line (" k check casing rules for keywords");
415dddc8 665 Write_Line (" l check reference manual layout");
aa635439 666 Write_Line (" Lnn check max nest level < nn ");
415dddc8 667 Write_Line (" m check line length <= 79 characters");
c690a2ec 668 Write_Line (" Mnn check line length <= nn characters");
4bb9c7b9 669 Write_Line (" n check casing of package Standard identifiers");
1a5f40e1 670 Write_Line (" N turn off all checks");
415dddc8 671 Write_Line (" o check subprogram bodies in alphabetical order");
ed57136d 672 Write_Line (" O check overriding indicators");
415dddc8 673 Write_Line (" p check pragma casing");
fbf5a39b 674 Write_Line (" r check casing for identifier references");
415dddc8 675 Write_Line (" s check separate subprogram specs present");
c690a2ec 676 Write_Line (" S check separate lines after THEN or ELSE");
415dddc8 677 Write_Line (" t check token separation rules");
f81e6250 678 Write_Line (" u check no unnecessary blank lines");
a9a5b8ac 679 Write_Line (" x check extra parentheses around conditionals");
1a5f40e1
VC		 680 Write_Line (" y turn on default style checks");
681 Write_Line (" - subtract (turn off) subsequent checks");
682 Write_Line (" + add (turn on) subsequent checks");
415dddc8 683
2e071734
AC		 684 -- Lines for -gnatyN switch
685
686 Write_Switch_Char ("yN");
687 Write_Line ("Cancel all previously set style checks");
688
c94a0b9d 689 -- Lines for -gnatzc switch
415dddc8 690
c94a0b9d
AC		 691 Write_Switch_Char ("zc");
692 Write_Line ("Distribution stub generation for caller stubs");
693
694 -- Lines for -gnatzr switch
695
696 Write_Switch_Char ("zr");
697 Write_Line ("Distribution stub generation for receiver stubs");
415dddc8 698
1e60643a 699 if not Latest_Ada_Only then
634a926b 700
1e60643a 701 -- Line for -gnat83 switch
415dddc8 702
1e60643a
AC		 703 Write_Switch_Char ("83");
704 Write_Line ("Ada 83 mode");
415dddc8 705
1e60643a 706 -- Line for -gnat95 switch
728c3084 707
1e60643a 708 Write_Switch_Char ("95");
728c3084 709
1e60643a
AC		 710 if Ada_Version_Default = Ada_95 then
711 Write_Line ("Ada 95 mode (default)");
712 else
713 Write_Line ("Ada 95 mode");
714 end if;
728c3084 715
1e60643a 716 -- Line for -gnat2005 switch
448f2610 717
1e60643a 718 Write_Switch_Char ("2005");
728c3084 719
1e60643a
AC		 720 if Ada_Version_Default = Ada_2005 then
721 Write_Line ("Ada 2005 mode (default)");
722 else
723 Write_Line ("Ada 2005 mode");
724 end if;
0eed45bb
AC		 725 end if;
726
f1c952af 727 -- Line for -gnat2012 switch
0eed45bb 728
f1c952af 729 Write_Switch_Char ("2012");
0eed45bb 730
dbe945f1 731 if Ada_Version_Default = Ada_2012 then
0eed45bb
AC		 732 Write_Line ("Ada 2012 mode (default)");
733 else
f1c952af 734 Write_Line ("Ada 2012 mode");
728c3084 735 end if;
448f2610 736
3f165ff2
AC		 737 -- Line for -gnat-p switch
738
739 Write_Switch_Char ("-p");
740 Write_Line ("Cancel effect of previous -gnatp switch");
741
415dddc8 742end Usage;
Mirror of https://gcc.gnu.org/git/gcc.git