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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 | -- -- |
06c565cc | 9 | -- Copyright (C) 1992-2024, 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 |
29 | with Namet; use Namet; |
30 | with Opt; use Opt; | |
31 | with Osint; use Osint; | |
32 | with Output; use Output; | |
33 | ||
415dddc8 RK |
34 | with System.WCh_Con; use System.WCh_Con; |
35 | ||
36 | procedure 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 | ||
62 | begin | |
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"); | |
65818fc9 | 190 | Write_Line ("Full source path in brief error messages and JSON output"); |
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 | ||
298a486c EB |
202 | -- Line for -gnateH switch |
203 | ||
204 | Write_Switch_Char ("eH"); | |
205 | Write_Line ("Set reverse Bit_Order threshold to 64"); | |
206 | ||
1f163ef7 AC |
207 | -- Line for -gnatei switch |
208 | ||
209 | Write_Switch_Char ("einn"); | |
4c51ff88 | 210 | Write_Line ("Set maximum number of instantiations to nn"); |
1f163ef7 | 211 | |
6b6fcd3e AC |
212 | -- Line for -gnateI switch |
213 | ||
aa635439 | 214 | Write_Switch_Char ("eInn"); |
6b6fcd3e AC |
215 | Write_Line ("Index in multi-unit source, e.g. -gnateI2"); |
216 | ||
fe2194df RD |
217 | -- Line for -gnatel switch |
218 | ||
219 | Write_Switch_Char ("el"); | |
220 | Write_Line ("Turn on info messages on generated Elaborate[_All] pragmas"); | |
221 | ||
222 | -- Line for -gnateL switch | |
223 | ||
224 | Write_Switch_Char ("eL"); | |
225 | Write_Line ("Turn off info messages on generated Elaborate[_All] pragmas"); | |
226 | ||
6510f4c9 GB |
227 | -- Line for -gnatem switch |
228 | ||
fbf5a39b AC |
229 | Write_Switch_Char ("em=?"); |
230 | Write_Line ("Specify mapping file, e.g. -gnatem=mapping"); | |
231 | ||
9f5b865a | 232 | -- No line for -gnateO=? : internal switch |
33decf81 | 233 | |
fbf5a39b AC |
234 | -- Line for -gnatep switch |
235 | ||
236 | Write_Switch_Char ("ep=?"); | |
237 | Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data"); | |
6510f4c9 | 238 | |
ce09f8b3 AC |
239 | -- Line for -gnateP switch |
240 | ||
241 | Write_Switch_Char ("eP"); | |
242 | Write_Line ("Pure/Prelaborate errors generate warnings rather than errors"); | |
243 | ||
6b6041ec | 244 | -- No line for -gnates=? : internal switch |
5f0c4d67 | 245 | |
6f12117a RD |
246 | -- Line for -gnateS switch |
247 | ||
248 | Write_Switch_Char ("eS"); | |
249 | Write_Line ("Generate SCO (Source Coverage Obligation) information"); | |
250 | ||
5e29ae82 AC |
251 | -- Line for -gnatet switch |
252 | ||
340772c0 RD |
253 | Write_Switch_Char ("et=?"); |
254 | Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf"); | |
289a994b AC |
255 | |
256 | -- Line for -gnateT switch | |
257 | ||
340772c0 RD |
258 | Write_Switch_Char ("eT=?"); |
259 | Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf"); | |
5e29ae82 | 260 | |
0247964d AC |
261 | -- Line for -gnateu switch |
262 | ||
263 | Write_Switch_Char ("eu"); | |
264 | Write_Line ("Ignore unrecognized style/validity/warning switches"); | |
265 | ||
e8dde875 AC |
266 | -- Line for -gnateV switch |
267 | ||
268 | Write_Switch_Char ("eV"); | |
269 | Write_Line ("Validity checks on subprogram parameters"); | |
270 | ||
42f1d661 AC |
271 | -- Line for -gnateY switch |
272 | ||
273 | Write_Switch_Char ("eY"); | |
274 | Write_Line ("Ignore all Style_Checks pragmas in source"); | |
275 | ||
9f5b865a | 276 | -- No line for -gnatez : internal switch |
33decf81 | 277 | |
415dddc8 RK |
278 | -- Line for -gnatE switch |
279 | ||
280 | Write_Switch_Char ("E"); | |
281 | Write_Line ("Dynamic elaboration checking mode enabled"); | |
282 | ||
283 | -- Line for -gnatf switch | |
284 | ||
285 | Write_Switch_Char ("f"); | |
286 | Write_Line ("Full errors. Verbose details, all undefined references"); | |
287 | ||
288 | -- Line for -gnatF switch | |
289 | ||
290 | Write_Switch_Char ("F"); | |
291 | Write_Line ("Force all import/export external names to all uppercase"); | |
292 | ||
293 | -- Line for -gnatg switch | |
294 | ||
295 | Write_Switch_Char ("g"); | |
296 | Write_Line ("GNAT implementation mode (used for compiling GNAT units)"); | |
297 | ||
dcd8728b | 298 | -- Lines for -gnatG switch |
415dddc8 RK |
299 | |
300 | Write_Switch_Char ("G"); | |
dcd8728b RD |
301 | Write_Line ("Output generated expanded code (max line length = 72)"); |
302 | Write_Switch_Char ("Gnn"); | |
303 | Write_Line ("Output generated expanded code (max line length = nn)"); | |
415dddc8 RK |
304 | |
305 | -- Line for -gnath switch | |
306 | ||
307 | Write_Switch_Char ("h"); | |
308 | Write_Line ("Output this usage (help) information"); | |
309 | ||
967947ed PMR |
310 | -- Line for -gnatH switch |
311 | ||
312 | Write_Switch_Char ("H"); | |
313 | Write_Line ("Legacy elaboration checking mode enabled"); | |
314 | ||
415dddc8 RK |
315 | -- Line for -gnati switch |
316 | ||
317 | Write_Switch_Char ("i?"); | |
07fc65c4 | 318 | Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)"); |
415dddc8 | 319 | |
c690a2ec RD |
320 | -- Line for -gnatI switch |
321 | ||
322 | Write_Switch_Char ("I"); | |
323 | Write_Line ("Ignore all representation clauses"); | |
324 | ||
ba1cbfb9 RD |
325 | -- Line for -gnatj switch |
326 | ||
327 | Write_Switch_Char ("jnn"); | |
328 | Write_Line ("Format error and warning messages to fit nn character lines"); | |
329 | ||
967947ed PMR |
330 | -- Line for -gnatJ switch |
331 | ||
332 | Write_Switch_Char ("J"); | |
333 | Write_Line ("Relaxed elaboration checking mode enabled"); | |
334 | ||
415dddc8 RK |
335 | -- Line for -gnatk switch |
336 | ||
337 | Write_Switch_Char ("k"); | |
aa635439 | 338 | Write_Line ("Limit file names to nn characters (k = krunch)"); |
415dddc8 | 339 | |
ba1cbfb9 | 340 | -- Lines for -gnatl switch |
415dddc8 RK |
341 | |
342 | Write_Switch_Char ("l"); | |
343 | Write_Line ("Output full source listing with embedded error messages"); | |
ba1cbfb9 RD |
344 | Write_Switch_Char ("l=f"); |
345 | Write_Line ("Output full source listing to specified file"); | |
346 | ||
347 | -- Line for -gnatL switch | |
348 | ||
349 | Write_Switch_Char ("L"); | |
350 | Write_Line ("List corresponding source text in -gnatG or -gnatD output"); | |
415dddc8 | 351 | |
415dddc8 RK |
352 | -- Line for -gnatm switch |
353 | ||
aa635439 | 354 | Write_Switch_Char ("mnn"); |
923e6ff3 | 355 | Write_Line ("Limit number of detected errors/warnings to nn (1-999999)"); |
415dddc8 RK |
356 | |
357 | -- Line for -gnatn switch | |
358 | ||
31821c0f | 359 | Write_Switch_Char ("n[?]"); |
86e74d58 | 360 | Write_Line ("Enable pragma Inline across units (?=1/2 for moderate/full)"); |
415dddc8 | 361 | |
415dddc8 RK |
362 | -- Line for -gnato switch |
363 | ||
549cc9c2 | 364 | Write_Switch_Char ("o0"); |
fb757f7d | 365 | Write_Line ("Disable overflow checking"); |
549cc9c2 | 366 | |
415dddc8 | 367 | Write_Switch_Char ("o"); |
549cc9c2 | 368 | Write_Line ("Enable overflow checking in STRICT (-gnato1) mode (default)"); |
538dbb56 | 369 | |
b9daa96e | 370 | -- Lines for -gnato? switches |
538dbb56 AC |
371 | |
372 | Write_Switch_Char ("o?"); | |
b9daa96e AC |
373 | Write_Line |
374 | ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode "); | |
538dbb56 | 375 | Write_Switch_Char ("o??"); |
b9daa96e AC |
376 | Write_Line |
377 | ("Set mode for general/assertion expressions separately"); | |
415dddc8 | 378 | |
9f5b865a | 379 | -- No line for -gnatO : internal switch |
415dddc8 RK |
380 | |
381 | -- Line for -gnatp switch | |
382 | ||
383 | Write_Switch_Char ("p"); | |
384 | Write_Line ("Suppress all checks"); | |
385 | ||
415dddc8 RK |
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 -gnatTnn switch |
415dddc8 | 422 | |
aa635439 AC |
423 | Write_Switch_Char ("Tnn"); |
424 | Write_Line ("All compiler tables start at nn times usual starting size"); | |
415dddc8 RK |
425 | |
426 | -- Line for -gnatu switch | |
427 | ||
428 | Write_Switch_Char ("u"); | |
429 | Write_Line ("List units for this compilation"); | |
430 | ||
431 | -- Line for -gnatU switch | |
432 | ||
433 | Write_Switch_Char ("U"); | |
434 | Write_Line ("Enable unique tag for error messages"); | |
435 | ||
436 | -- Line for -gnatv switch | |
437 | ||
438 | Write_Switch_Char ("v"); | |
439 | Write_Line ("Verbose mode. Full error output with source lines to stdout"); | |
440 | ||
b9daa96e | 441 | -- Lines for -gnatV switch |
415dddc8 | 442 | |
9a5621d7 | 443 | Write_Switch_Char ("Vxx"); |
415dddc8 | 444 | Write_Line |
9a5621d7 RD |
445 | ("Enable selected validity checking mode, xx = list of parameters:"); |
446 | Write_Line (" a turn on all validity checking options"); | |
07fc65c4 GB |
447 | Write_Line (" c turn on checking for copies"); |
448 | Write_Line (" C turn off checking for copies"); | |
449 | Write_Line (" d turn on default (RM) checking"); | |
450 | Write_Line (" D turn off default (RM) checking"); | |
ba1cbfb9 RD |
451 | Write_Line (" e turn on checking for elementary components"); |
452 | Write_Line (" E turn off checking for elementary components"); | |
07fc65c4 GB |
453 | Write_Line (" f turn on checking for floating-point"); |
454 | Write_Line (" F turn off checking for floating-point"); | |
455 | Write_Line (" i turn on checking for in params"); | |
456 | Write_Line (" I turn off checking for in params"); | |
457 | Write_Line (" m turn on checking for in out params"); | |
458 | Write_Line (" M turn off checking for in out params"); | |
61770974 | 459 | Write_Line (" n turn off all validity checks (including RM)"); |
07fc65c4 GB |
460 | Write_Line (" o turn on checking for operators/attributes"); |
461 | Write_Line (" O turn off checking for operators/attributes"); | |
fbf5a39b AC |
462 | Write_Line (" p turn on checking for parameters"); |
463 | Write_Line (" P turn off checking for parameters"); | |
07fc65c4 GB |
464 | Write_Line (" r turn on checking for returns"); |
465 | Write_Line (" R turn off checking for returns"); | |
466 | Write_Line (" s turn on checking for subscripts"); | |
467 | Write_Line (" S turn off checking for subscripts"); | |
468 | Write_Line (" t turn on checking for tests"); | |
469 | Write_Line (" T turn off checking for tests"); | |
415dddc8 RK |
470 | |
471 | -- Lines for -gnatw switch | |
472 | ||
473 | Write_Switch_Char ("wxx"); | |
474 | Write_Line ("Enable selected warning modes, xx = list of parameters:"); | |
616547fa AC |
475 | Write_Line (" * indicates default setting"); |
476 | Write_Line (" + indicates warning flag included in -gnatwa"); | |
51bf9bdf | 477 | Write_Line (" a turn on all info/warnings marked below with +"); |
3acdda2d | 478 | Write_Line (" A turn off all optional info/warnings"); |
51bf9bdf | 479 | Write_Line (" .a*+ turn on warnings for failing assertion"); |
4ae23b62 | 480 | Write_Line (" .A turn off warnings for failing assertion"); |
b3889fff JS |
481 | Write_Line (" _a*+ turn on warnings for anonymous allocators"); |
482 | Write_Line (" _A turn off warnings for anonymous allocators"); | |
51bf9bdf | 483 | Write_Line (" b+ turn on warnings for bad fixed value " & |
debe0ab6 RD |
484 | "(not multiple of small)"); |
485 | Write_Line (" B* turn off warnings for bad fixed value " & | |
486 | "(not multiple of small)"); | |
51bf9bdf | 487 | Write_Line (" .b*+ turn on warnings for biased representation"); |
4ae23b62 | 488 | Write_Line (" .B turn off warnings for biased representation"); |
51bf9bdf | 489 | Write_Line (" c+ turn on warnings for constant conditional"); |
fbf5a39b | 490 | Write_Line (" C* turn off warnings for constant conditional"); |
5e863343 GL |
491 | Write_Line (" .c+ turn on warnings for components without " & |
492 | "representation clauses"); | |
493 | Write_Line (" .C* turn off warnings for components without " & | |
494 | "representation clauses"); | |
1a14bfbd YM |
495 | Write_Line (" _c* turn on warnings for unknown " & |
496 | "Compile_Time_Warning"); | |
497 | Write_Line (" _C turn off warnings for unknown " & | |
498 | "Compile_Time_Warning"); | |
fbf5a39b AC |
499 | Write_Line (" d turn on warnings for implicit dereference"); |
500 | Write_Line (" D* turn off warnings for implicit dereference"); | |
ad510c7c RD |
501 | Write_Line (" .d* turn on tagging of warnings with -gnatw switch"); |
502 | Write_Line (" .D turn off tagging of warnings with -gnatw switch"); | |
3acdda2d AC |
503 | Write_Line (" e treat all warnings (but not info) as errors"); |
504 | Write_Line (" .e turn on every optional info/warning " & | |
505 | "(no exceptions)"); | |
2d249f52 | 506 | Write_Line (" E treat all run-time warnings as errors"); |
51bf9bdf | 507 | Write_Line (" f+ turn on warnings for unreferenced formal"); |
fbf5a39b | 508 | Write_Line (" F* turn off warnings for unreferenced formal"); |
91669e7e | 509 | Write_Line (" .f turn on warnings for suspicious Subp'Access"); |
4ffafd86 | 510 | Write_Line (" .F* turn off warnings for suspicious Subp'Access"); |
51bf9bdf | 511 | Write_Line (" g*+ turn on warnings for unrecognized pragma"); |
fbf5a39b | 512 | Write_Line (" G turn off warnings for unrecognized pragma"); |
3f1bc2cf | 513 | Write_Line (" .g turn on GNAT warnings"); |
ff2efe85 AC |
514 | Write_Line (" h turn on warnings for hiding declarations"); |
515 | Write_Line (" H* turn off warnings for hiding declarations"); | |
9a1bc6d5 AC |
516 | Write_Line (" .h turn on warnings for holes in records"); |
517 | Write_Line (" .H* turn off warnings for holes in records"); | |
51bf9bdf | 518 | Write_Line (" i*+ turn on warnings for implementation unit"); |
fbf5a39b | 519 | Write_Line (" I turn off warnings for implementation unit"); |
ad510c7c RD |
520 | Write_Line (" .i+ turn on warnings for overlapping actuals"); |
521 | Write_Line (" .I* turn off warnings for overlapping actuals"); | |
51bf9bdf | 522 | Write_Line (" j+ turn on warnings for obsolescent " & |
fbf5a39b AC |
523 | "(annex J) feature"); |
524 | Write_Line (" J* turn off warnings for obsolescent " & | |
525 | "(annex J) feature"); | |
48c8c473 AC |
526 | Write_Line (" .j+ turn on warnings for late dispatching " & |
527 | "primitives"); | |
528 | Write_Line (" .J* turn off warnings for late dispatching " & | |
529 | "primitives"); | |
51bf9bdf | 530 | Write_Line (" k+ turn on warnings on constant variable"); |
fbf5a39b | 531 | Write_Line (" K* turn off warnings on constant variable"); |
c607e6d5 | 532 | Write_Line (" .k turn on warnings for standard redefinition"); |
616547fa | 533 | Write_Line (" .K* turn off warnings for standard redefinition"); |
fe2194df RD |
534 | Write_Line (" l turn on warnings for elaboration problems"); |
535 | Write_Line (" L* turn off warnings for elaboration problems"); | |
b2009d46 | 536 | Write_Line (" .l turn on info messages for inherited aspects"); |
8190087e | 537 | Write_Line (" .L* turn off info messages for inherited aspects"); |
51bf9bdf | 538 | Write_Line (" m+ turn on warnings for variable assigned " & |
fbf5a39b AC |
539 | "but not read"); |
540 | Write_Line (" M* turn off warnings for variable assigned " & | |
541 | "but not read"); | |
3a700c5f YM |
542 | Write_Line (" .m*+ turn on warnings for suspicious usage " & |
543 | "of modular type"); | |
544 | Write_Line (" .M turn off warnings for suspicious usage " & | |
545 | "of modular type"); | |
fbf5a39b | 546 | Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)"); |
0add5a95 AC |
547 | Write_Line (" .n turn on info messages for atomic " & |
548 | "synchronization"); | |
549 | Write_Line (" .N* turn off info messages for atomic " & | |
550 | "synchronization"); | |
fbf5a39b AC |
551 | Write_Line (" o* turn on warnings for address clause overlay"); |
552 | Write_Line (" O turn off warnings for address clause overlay"); | |
36fcf362 | 553 | Write_Line (" .o turn on warnings for out parameters assigned " & |
67ce0d7e | 554 | "but not read"); |
36fcf362 | 555 | Write_Line (" .O* turn off warnings for out parameters assigned " & |
67ce0d7e | 556 | "but not read"); |
51bf9bdf | 557 | Write_Line (" p+ turn on warnings for ineffective pragma " & |
1a5f40e1 | 558 | "Inline in frontend"); |
8f7770f9 | 559 | Write_Line (" P* turn off warnings for ineffective pragma " & |
1a5f40e1 | 560 | "Inline in frontend"); |
51bf9bdf | 561 | Write_Line (" .p+ turn on warnings for suspicious parameter " & |
1a5f40e1 VC |
562 | "order"); |
563 | Write_Line (" .P* turn off warnings for suspicious parameter " & | |
564 | "order"); | |
749e01a5 GD |
565 | Write_Line (" _p turn on warnings for pedantic checks"); |
566 | Write_Line (" _P turn off warnings for pedantic checks"); | |
51bf9bdf | 567 | Write_Line (" q*+ turn on warnings for questionable " & |
4ae23b62 | 568 | "missing parenthesis"); |
a9a5b8ac | 569 | Write_Line (" Q turn off warnings for questionable " & |
4ae23b62 | 570 | "missing parenthesis"); |
683af98c AC |
571 | Write_Line (" .q+ turn on warnings for questionable layout of " & |
572 | "record types"); | |
573 | Write_Line (" .Q* turn off warnings for questionable layout of " & | |
574 | "record types"); | |
ae5de5a3 BD |
575 | Write_Line (" _q turn on warnings for ignored " & |
576 | "equality operators"); | |
577 | Write_Line (" _Q* turn off warnings for ignored " & | |
578 | "equality operators"); | |
51bf9bdf | 579 | Write_Line (" r+ turn on warnings for redundant construct"); |
fbf5a39b | 580 | Write_Line (" R* turn off warnings for redundant construct"); |
51bf9bdf | 581 | Write_Line (" .r+ turn on warnings for object renaming function"); |
8f7770f9 | 582 | Write_Line (" .R* turn off warnings for object renaming function"); |
1a14bfbd YM |
583 | Write_Line (" _r turn on warnings for components out of order"); |
584 | Write_Line (" _R turn off warnings for components out of order"); | |
3acdda2d | 585 | Write_Line (" s suppress all info/warnings"); |
b3f48fd4 AC |
586 | Write_Line (" .s turn on warnings for overridden size clause"); |
587 | Write_Line (" .S* turn off warnings for overridden size clause"); | |
45efdda3 SB |
588 | Write_Line (" _s+ turn on warnings for ineffective predicate " & |
589 | "tests"); | |
590 | Write_Line (" _S* turn off warnings for ineffective predicate " & | |
591 | "tests"); | |
ba1cbfb9 RD |
592 | Write_Line (" t turn on warnings for tracking deleted code"); |
593 | Write_Line (" T* turn off warnings for tracking deleted code"); | |
ca1ffed0 AC |
594 | Write_Line (" .t*+ turn on warnings for suspicious contract"); |
595 | Write_Line (" .T turn off warnings for suspicious contract"); | |
51bf9bdf | 596 | Write_Line (" u+ turn on warnings for unused entity"); |
fbf5a39b | 597 | Write_Line (" U* turn off warnings for unused entity"); |
bd29d519 AC |
598 | Write_Line (" .u turn on warnings for unordered enumeration"); |
599 | Write_Line (" .U* turn off warnings for unordered enumeration"); | |
51bf9bdf | 600 | Write_Line (" v*+ turn on warnings for unassigned variable"); |
fbf5a39b | 601 | Write_Line (" V turn off warnings for unassigned variable"); |
51bf9bdf | 602 | Write_Line (" .v*+ turn on info messages for reverse bit order"); |
3acdda2d | 603 | Write_Line (" .V turn off info messages for reverse bit order"); |
51bf9bdf | 604 | Write_Line (" w*+ turn on warnings for wrong low bound assumption"); |
ba1cbfb9 RD |
605 | Write_Line (" W turn off warnings for wrong low bound " & |
606 | "assumption"); | |
da508766 | 607 | Write_Line (" .w turn on warnings on pragma Warnings Off"); |
fd22cd21 | 608 | Write_Line (" .W* turn off warnings on pragma Warnings Off"); |
51bf9bdf | 609 | Write_Line (" x*+ turn on warnings for export/import"); |
f81e6250 | 610 | Write_Line (" X turn off warnings for export/import"); |
51bf9bdf | 611 | Write_Line (" .x+ turn on warnings for non-local exception"); |
4ae23b62 | 612 | Write_Line (" .X* turn off warnings for non-local exception"); |
d986066d AC |
613 | Write_Line (" y*+ turn on warnings for Ada compatibility issues"); |
614 | Write_Line (" Y turn off warnings for Ada compatibility issues"); | |
98779361 RD |
615 | Write_Line (" .y turn on info messages for why pkg body needed"); |
616 | Write_Line (" .Y* turn off info messages for why pkg body needed"); | |
51bf9bdf | 617 | Write_Line (" z*+ turn on warnings for suspicious " & |
382d35e0 RD |
618 | "unchecked conversion"); |
619 | Write_Line (" Z turn off warnings for suspicious " & | |
620 | "unchecked conversion"); | |
3f1bc2cf AC |
621 | Write_Line (" .z*+ turn on warnings for record size not a " & |
622 | "multiple of alignment"); | |
623 | Write_Line (" .Z turn off warnings for record size not a " & | |
624 | "multiple of alignment"); | |
415dddc8 RK |
625 | |
626 | -- Line for -gnatW switch | |
627 | ||
354c3840 AC |
628 | Write_Switch_Char ("W?"); |
629 | Write_Str ("Wide character encoding method (?="); | |
415dddc8 RK |
630 | |
631 | for J in WC_Encoding_Method loop | |
632 | Write_Char (WC_Encoding_Letters (J)); | |
633 | ||
634 | if J = WC_Encoding_Method'Last then | |
635 | Write_Char (')'); | |
636 | else | |
637 | Write_Char ('/'); | |
638 | end if; | |
639 | end loop; | |
640 | ||
641 | Write_Eol; | |
642 | ||
643 | -- Line for -gnatx switch | |
644 | ||
645 | Write_Switch_Char ("x"); | |
646 | Write_Line ("Suppress output of cross-reference information"); | |
647 | ||
648 | -- Line for -gnatX switch | |
649 | ||
650 | Write_Switch_Char ("X"); | |
651 | Write_Line ("Language extensions permitted"); | |
652 | ||
653 | -- Lines for -gnaty switch | |
654 | ||
655 | Write_Switch_Char ("y"); | |
448f2610 | 656 | Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)"); |
415dddc8 RK |
657 | Write_Switch_Char ("yxx"); |
658 | Write_Line ("Enable selected style checks xx = list of parameters:"); | |
659 | Write_Line (" 1-9 check indentation"); | |
660 | Write_Line (" a check attribute casing"); | |
a9a5b8ac | 661 | Write_Line (" A check array attribute indexes"); |
415dddc8 | 662 | Write_Line (" b check no blanks at end of lines"); |
a36c1c3e | 663 | Write_Line (" B check no use of AND/OR for boolean expressions"); |
a2773bd3 AC |
664 | Write_Line (" c check comment format (two spaces)"); |
665 | Write_Line (" C check comment format (one space)"); | |
debe0ab6 | 666 | Write_Line (" d check no DOS line terminators"); |
4803e348 | 667 | Write_Line (" D check declared identifiers in mixed case"); |
415dddc8 RK |
668 | Write_Line (" e check end/exit labels present"); |
669 | Write_Line (" f check no form feeds/vertical tabs in source"); | |
17cf9038 | 670 | Write_Line (" g check standard GNAT style rules, same as ydISux"); |
415dddc8 RK |
671 | Write_Line (" h check no horizontal tabs in source"); |
672 | Write_Line (" i check if-then layout"); | |
4f73f89c | 673 | Write_Line (" I check mode in"); |
fbf5a39b | 674 | Write_Line (" k check casing rules for keywords"); |
415dddc8 | 675 | Write_Line (" l check reference manual layout"); |
aa635439 | 676 | Write_Line (" Lnn check max nest level < nn "); |
415dddc8 | 677 | Write_Line (" m check line length <= 79 characters"); |
c690a2ec | 678 | Write_Line (" Mnn check line length <= nn characters"); |
4bb9c7b9 | 679 | Write_Line (" n check casing of package Standard identifiers"); |
1a5f40e1 | 680 | Write_Line (" N turn off all checks"); |
415dddc8 | 681 | Write_Line (" o check subprogram bodies in alphabetical order"); |
ed57136d | 682 | Write_Line (" O check overriding indicators"); |
415dddc8 | 683 | Write_Line (" p check pragma casing"); |
fbf5a39b | 684 | Write_Line (" r check casing for identifier references"); |
415dddc8 | 685 | Write_Line (" s check separate subprogram specs present"); |
c690a2ec | 686 | Write_Line (" S check separate lines after THEN or ELSE"); |
415dddc8 | 687 | Write_Line (" t check token separation rules"); |
f81e6250 | 688 | Write_Line (" u check no unnecessary blank lines"); |
a9a5b8ac | 689 | Write_Line (" x check extra parentheses around conditionals"); |
1a5f40e1 | 690 | Write_Line (" y turn on default style checks"); |
37529975 AC |
691 | Write_Line (" z check parentheses not required by operator " & |
692 | "precedence rules"); | |
1a5f40e1 VC |
693 | Write_Line (" - subtract (turn off) subsequent checks"); |
694 | Write_Line (" + add (turn on) subsequent checks"); | |
415dddc8 | 695 | |
2e071734 AC |
696 | -- Lines for -gnatyN switch |
697 | ||
698 | Write_Switch_Char ("yN"); | |
699 | Write_Line ("Cancel all previously set style checks"); | |
700 | ||
c94a0b9d | 701 | -- Lines for -gnatzc switch |
415dddc8 | 702 | |
c94a0b9d AC |
703 | Write_Switch_Char ("zc"); |
704 | Write_Line ("Distribution stub generation for caller stubs"); | |
705 | ||
706 | -- Lines for -gnatzr switch | |
707 | ||
708 | Write_Switch_Char ("zr"); | |
709 | Write_Line ("Distribution stub generation for receiver stubs"); | |
415dddc8 | 710 | |
1e60643a | 711 | if not Latest_Ada_Only then |
634a926b | 712 | |
1e60643a | 713 | -- Line for -gnat83 switch |
415dddc8 | 714 | |
1e60643a AC |
715 | Write_Switch_Char ("83"); |
716 | Write_Line ("Ada 83 mode"); | |
415dddc8 | 717 | |
1e60643a | 718 | -- Line for -gnat95 switch |
728c3084 | 719 | |
1e60643a | 720 | Write_Switch_Char ("95"); |
81e68a19 | 721 | Write_Line ("Ada 95 mode"); |
728c3084 | 722 | |
1e60643a | 723 | -- Line for -gnat2005 switch |
448f2610 | 724 | |
1e60643a | 725 | Write_Switch_Char ("2005"); |
81e68a19 | 726 | Write_Line ("Ada 2005 mode"); |
0eed45bb AC |
727 | end if; |
728 | ||
f1c952af | 729 | -- Line for -gnat2012 switch |
0eed45bb | 730 | |
f1c952af | 731 | Write_Switch_Char ("2012"); |
0eed45bb | 732 | |
dbe945f1 | 733 | if Ada_Version_Default = Ada_2012 then |
0eed45bb AC |
734 | Write_Line ("Ada 2012 mode (default)"); |
735 | else | |
f1c952af | 736 | Write_Line ("Ada 2012 mode"); |
728c3084 | 737 | end if; |
448f2610 | 738 | |
81e68a19 AC |
739 | -- Line for -gnat2022 switch |
740 | ||
741 | Write_Switch_Char ("2022"); | |
742 | ||
743 | if Ada_Version_Default = Ada_2022 then | |
744 | Write_Line ("Ada 2022 mode (default)"); | |
745 | else | |
746 | Write_Line ("Ada 2022 mode"); | |
747 | end if; | |
748 | ||
3f165ff2 AC |
749 | -- Line for -gnat-p switch |
750 | ||
751 | Write_Switch_Char ("-p"); | |
752 | Write_Line ("Cancel effect of previous -gnatp switch"); | |
753 | ||
415dddc8 | 754 | end Usage; |