1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- U S A G E -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2013, Free Software Foundation, Inc. -- 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- -- 13-- ware Foundation; either version 3, or (at your option) any later ver- -- 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 -- 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. -- 20-- -- 21-- GNAT was originally developed by the GNAT team at New York University. -- 22-- Extensive contributions were provided by Ada Core Technologies Inc. -- 23-- -- 24------------------------------------------------------------------------------ 25 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 29with Targparm; use Targparm; 30with Namet; use Namet; 31with Opt; use Opt; 32with Osint; use Osint; 33with Output; use Output; 34 35with System.WCh_Con; use System.WCh_Con; 36 37procedure Usage is 38 39 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat"); 40 -- Output two spaces followed by the switch character minus followed 41 -- Prefix, followed by the string given as the argument, and then enough 42 -- blanks to tab to column 13, i.e. assuming Sw is not longer than 5 43 -- characters, the maximum allowed, Write_Switch_Char will always output 44 -- exactly 12 characters. 45 46 ----------------------- 47 -- Write_Switch_Char -- 48 ----------------------- 49 50 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is 51 begin 52 Write_Str (" -"); 53 Write_Str (Prefix); 54 Write_Str (Sw); 55 56 for J in 1 .. 12 - 3 - Prefix'Length - Sw'Length loop 57 Write_Char (' '); 58 end loop; 59 end Write_Switch_Char; 60 61-- Start of processing for Usage 62 63begin 64 Find_Program_Name; 65 66 -- For gnatmake, we are appending this information to the end of 67 -- the normal gnatmake output, so generate appropriate header 68 69 if Name_Len >= 8 70 and then (Name_Buffer (Name_Len - 7 .. Name_Len) = "gnatmake" 71 or else 72 Name_Buffer (Name_Len - 7 .. Name_Len) = "GNATMAKE") 73 then 74 Write_Eol; 75 Write_Line ("Compiler switches (passed to the compiler by gnatmake):"); 76 77 else 78 -- Usage line 79 80 Write_Str ("Usage: "); 81 Write_Program_Name; 82 Write_Char (' '); 83 Write_Str ("switches sfile"); 84 Write_Eol; 85 Write_Eol; 86 87 -- Line for sfile 88 89 Write_Line (" sfile Source file name"); 90 end if; 91 92 Write_Eol; 93 94 -- Common GCC switches not available for JVM, .NET, and AAMP targets 95 96 if VM_Target = No_VM and then not AAMP_On_Target then 97 Write_Switch_Char ("fstack-check ", ""); 98 Write_Line ("Generate stack checking code"); 99 100 Write_Switch_Char ("fno-inline ", ""); 101 Write_Line ("Inhibit all inlining (makes executable smaller)"); 102 103 Write_Switch_Char ("fpreserve-control-flow ", ""); 104 Write_Line ("Preserve control flow for coverage analysis"); 105 end if; 106 107 -- Common switches available to both GCC and JGNAT 108 109 Write_Switch_Char ("g ", ""); 110 Write_Line ("Generate debugging information"); 111 112 Write_Switch_Char ("Idir ", ""); 113 Write_Line ("Specify source files search path"); 114 115 Write_Switch_Char ("I- ", ""); 116 Write_Line ("Do not look for sources in current directory"); 117 118 Write_Switch_Char ("O[0123] ", ""); 119 Write_Line ("Control the optimization level"); 120 121 Write_Eol; 122 123 -- Individual lines for switches. Write_Switch_Char outputs fourteen 124 -- characters, so the remaining message is allowed to be a maximum 125 -- of 65 characters to be comfortable on an 80 character device. 126 -- If the Write_Str fits on one line, it is short enough! 127 128 -- Line for -gnata switch 129 130 Write_Switch_Char ("a"); 131 Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated"); 132 133 -- Line for -gnatA switch 134 135 Write_Switch_Char ("A"); 136 Write_Line ("Avoid processing gnat.adc, if present file will be ignored"); 137 138 -- Line for -gnatb switch 139 140 Write_Switch_Char ("b"); 141 Write_Line ("Generate brief messages to stderr even if verbose mode set"); 142 143 -- Line for -gnatB switch 144 145 Write_Switch_Char ("B"); 146 Write_Line ("Assume no bad (invalid) values except in 'Valid attribute"); 147 148 -- Line for -gnatc switch 149 150 Write_Switch_Char ("c"); 151 Write_Line ("Check syntax and semantics only (no code generation)"); 152 153 -- Line for -gnatC switch 154 155 Write_Switch_Char ("C"); 156 Write_Line ("Generate CodePeer information (no code generation)"); 157 158 -- Line for -gnatd switch 159 160 Write_Switch_Char ("d?"); 161 Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb"); 162 163 -- Line for -gnatD switch 164 165 Write_Switch_Char ("D"); 166 Write_Line ("Debug expanded generated code (max line length = 72)"); 167 Write_Switch_Char ("Dnn"); 168 Write_Line ("Debug expanded generated code (max line length = nn)"); 169 170 -- Line for -gnatea switch 171 172 Write_Switch_Char ("ea"); 173 Write_Line ("Delimiter for automatically added switches (internal switch)"); 174 175 -- Line for -gnateA switch 176 177 Write_Switch_Char ("eA"); 178 Write_Line ("Aliasing checks on subprogram parameters"); 179 180 -- Line for -gnatec switch 181 182 Write_Switch_Char ("ec=?"); 183 Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc"); 184 185 -- Line for -gnated switch 186 187 Write_Switch_Char ("ed"); 188 Write_Line ("Disable synchronization of atomic variables"); 189 190 -- Line for -gnateD switch 191 192 Write_Switch_Char ("eD?"); 193 Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val"); 194 195 -- Line for -gnateE switch 196 197 Write_Switch_Char ("eE"); 198 Write_Line ("Generate extra information in exception messages"); 199 200 -- Line for -gnatef switch 201 202 Write_Switch_Char ("ef"); 203 Write_Line ("Full source path in brief error messages"); 204 205 -- Line for -gnateF switch 206 207 Write_Switch_Char ("eF"); 208 Write_Line ("Check overflow on predefined Float types"); 209 210 -- Line for -gnateG switch 211 212 Write_Switch_Char ("eG"); 213 Write_Line ("Generate preprocessed source"); 214 215 -- Line for -gnatei switch 216 217 Write_Switch_Char ("einn"); 218 Write_Line ("Set maximumum number of instantiations to nn"); 219 220 -- Line for -gnateI switch 221 222 Write_Switch_Char ("eInn"); 223 Write_Line ("Index in multi-unit source, e.g. -gnateI2"); 224 225 -- Line for -gnatem switch 226 227 Write_Switch_Char ("em=?"); 228 Write_Line ("Specify mapping file, e.g. -gnatem=mapping"); 229 230 -- Line for -gnateO=? 231 232 Write_Switch_Char ("eO=?"); 233 Write_Line ("Specify an object path file (internal switch)"); 234 235 -- Line for -gnatep switch 236 237 Write_Switch_Char ("ep=?"); 238 Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data"); 239 240 -- Line for -gnateP switch 241 242 Write_Switch_Char ("eP"); 243 Write_Line ("Pure/Prelaborate errors generate warnings rather than errors"); 244 245 -- Line for -gnateS switch 246 247 Write_Switch_Char ("eS"); 248 Write_Line ("Generate SCO (Source Coverage Obligation) information"); 249 250 -- Line for -gnatet switch 251 252 Write_Switch_Char ("et"); 253 Write_Line ("Generate target dependent information in ALI file"); 254 255 -- Line for -gnateV switch 256 257 Write_Switch_Char ("eV"); 258 Write_Line ("Validity checks on subprogram parameters"); 259 260 -- Line for -gnateY switch 261 262 Write_Switch_Char ("eY"); 263 Write_Line ("Ignore all Style_Checks pragmas in source"); 264 265 -- Line for -gnatez switch 266 267 Write_Switch_Char ("ez"); 268 Write_Line ("Delimiter for automatically added switches (internal switch)"); 269 270 -- Line for -gnatE switch 271 272 Write_Switch_Char ("E"); 273 Write_Line ("Dynamic elaboration checking mode enabled"); 274 275 -- Line for -gnatf switch 276 277 Write_Switch_Char ("f"); 278 Write_Line ("Full errors. Verbose details, all undefined references"); 279 280 -- Line for -gnatF switch 281 282 Write_Switch_Char ("F"); 283 Write_Line ("Force all import/export external names to all uppercase"); 284 285 -- Line for -gnatg switch 286 287 Write_Switch_Char ("g"); 288 Write_Line ("GNAT implementation mode (used for compiling GNAT units)"); 289 290 -- Lines for -gnatG switch 291 292 Write_Switch_Char ("G"); 293 Write_Line ("Output generated expanded code (max line length = 72)"); 294 Write_Switch_Char ("Gnn"); 295 Write_Line ("Output generated expanded code (max line length = nn)"); 296 297 -- Line for -gnath switch 298 299 Write_Switch_Char ("h"); 300 Write_Line ("Output this usage (help) information"); 301 302 -- Line for -gnati switch 303 304 Write_Switch_Char ("i?"); 305 Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)"); 306 307 -- Line for -gnatI switch 308 309 Write_Switch_Char ("I"); 310 Write_Line ("Ignore all representation clauses"); 311 312 -- Line for -gnatj switch 313 314 Write_Switch_Char ("jnn"); 315 Write_Line ("Format error and warning messages to fit nn character lines"); 316 317 -- Line for -gnatk switch 318 319 Write_Switch_Char ("k"); 320 Write_Line ("Limit file names to nn characters (k = krunch)"); 321 322 -- Lines for -gnatl switch 323 324 Write_Switch_Char ("l"); 325 Write_Line ("Output full source listing with embedded error messages"); 326 Write_Switch_Char ("l=f"); 327 Write_Line ("Output full source listing to specified file"); 328 329 -- Line for -gnatL switch 330 331 Write_Switch_Char ("L"); 332 Write_Line ("List corresponding source text in -gnatG or -gnatD output"); 333 334 -- Line for -gnatm switch 335 336 Write_Switch_Char ("mnn"); 337 Write_Line ("Limit number of detected errors/warnings to nn (1-999999)"); 338 339 -- Line for -gnatn switch 340 341 Write_Switch_Char ("n[?]"); 342 Write_Line ("Enable pragma Inline (both within and across units, ?=1/2)"); 343 344 -- Line for -gnato switch 345 346 Write_Switch_Char ("o"); 347 Write_Line ("Enable overflow checking mode to CHECKED (off by default)"); 348 349 -- Lines for -gnato? switches 350 351 Write_Switch_Char ("o?"); 352 Write_Line 353 ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode "); 354 Write_Switch_Char ("o??"); 355 Write_Line 356 ("Set mode for general/assertion expressions separately"); 357 358 -- Line for -gnatO switch 359 360 Write_Switch_Char ("O nm "); 361 Write_Line ("Set name of output ali file (internal switch)"); 362 363 -- Line for -gnatp switch 364 365 Write_Switch_Char ("p"); 366 Write_Line ("Suppress all checks"); 367 368 -- Line for -gnatP switch 369 370 Write_Switch_Char ("P"); 371 Write_Line ("Generate periodic calls to System.Polling.Poll"); 372 373 -- Line for -gnatq switch 374 375 Write_Switch_Char ("q"); 376 Write_Line ("Don't quit, try semantics, even if parse errors"); 377 378 -- Line for -gnatQ switch 379 380 Write_Switch_Char ("Q"); 381 Write_Line ("Don't quit, write ali/tree file even if compile errors"); 382 383 -- Line for -gnatr switch 384 385 Write_Switch_Char ("r"); 386 Write_Line ("Treat pragma Restrictions as Restriction_Warnings"); 387 388 -- Lines for -gnatR switch 389 390 Write_Switch_Char ("R?"); 391 Write_Line ("List rep info (?=0/1/2/3 for none/types/all/variable)"); 392 Write_Switch_Char ("R?s"); 393 Write_Line ("List rep info to file.rep instead of standard output"); 394 395 -- Line for -gnats switch 396 397 Write_Switch_Char ("s"); 398 Write_Line ("Syntax check only"); 399 400 -- Line for -gnatS switch 401 402 Write_Switch_Char ("S"); 403 Write_Line ("Print listing of package Standard"); 404 405 -- Line for -gnatt switch 406 407 Write_Switch_Char ("t"); 408 Write_Line ("Tree output file to be generated"); 409 410 -- Line for -gnatTnn switch 411 412 Write_Switch_Char ("Tnn"); 413 Write_Line ("All compiler tables start at nn times usual starting size"); 414 415 -- Line for -gnatu switch 416 417 Write_Switch_Char ("u"); 418 Write_Line ("List units for this compilation"); 419 420 -- Line for -gnatU switch 421 422 Write_Switch_Char ("U"); 423 Write_Line ("Enable unique tag for error messages"); 424 425 -- Line for -gnatv switch 426 427 Write_Switch_Char ("v"); 428 Write_Line ("Verbose mode. Full error output with source lines to stdout"); 429 430 -- Lines for -gnatV switch 431 432 Write_Switch_Char ("Vxx"); 433 Write_Line 434 ("Enable selected validity checking mode, xx = list of parameters:"); 435 Write_Line (" a turn on all validity checking options"); 436 Write_Line (" c turn on checking for copies"); 437 Write_Line (" C turn off checking for copies"); 438 Write_Line (" d turn on default (RM) checking"); 439 Write_Line (" D turn off default (RM) checking"); 440 Write_Line (" e turn on checking for elementary components"); 441 Write_Line (" E turn off checking for elementary components"); 442 Write_Line (" f turn on checking for floating-point"); 443 Write_Line (" F turn off checking for floating-point"); 444 Write_Line (" i turn on checking for in params"); 445 Write_Line (" I turn off checking for in params"); 446 Write_Line (" m turn on checking for in out params"); 447 Write_Line (" M turn off checking for in out params"); 448 Write_Line (" o turn on checking for operators/attributes"); 449 Write_Line (" O turn off checking for operators/attributes"); 450 Write_Line (" p turn on checking for parameters"); 451 Write_Line (" P turn off checking for parameters"); 452 Write_Line (" r turn on checking for returns"); 453 Write_Line (" R turn off checking for returns"); 454 Write_Line (" s turn on checking for subscripts"); 455 Write_Line (" S turn off checking for subscripts"); 456 Write_Line (" t turn on checking for tests"); 457 Write_Line (" T turn off checking for tests"); 458 Write_Line (" n turn off all validity checks (including RM)"); 459 460 -- Lines for -gnatw switch 461 462 Write_Switch_Char ("wxx"); 463 Write_Line ("Enable selected warning modes, xx = list of parameters:"); 464 Write_Line (" * indicates default setting"); 465 Write_Line (" + indicates warning flag included in -gnatwa"); 466 Write_Line (" a turn on all info/warnings marked below with +"); 467 Write_Line (" A turn off all optional info/warnings"); 468 Write_Line (" .a*+ turn on warnings for failing assertion"); 469 Write_Line (" .A turn off warnings for failing assertion"); 470 Write_Line (" b+ turn on warnings for bad fixed value " & 471 "(not multiple of small)"); 472 Write_Line (" B* turn off warnings for bad fixed value " & 473 "(not multiple of small)"); 474 Write_Line (" .b*+ turn on warnings for biased representation"); 475 Write_Line (" .B turn off warnings for biased representation"); 476 Write_Line (" c+ turn on warnings for constant conditional"); 477 Write_Line (" C* turn off warnings for constant conditional"); 478 Write_Line (" .c+ turn on warnings for unrepped components"); 479 Write_Line (" .C* turn off warnings for unrepped components"); 480 Write_Line (" d turn on warnings for implicit dereference"); 481 Write_Line (" D* turn off warnings for implicit dereference"); 482 483 -- Switches -gnatw.d/w.D not available on VMS 484 485 if not OpenVMS_On_Target then 486 Write_Line 487 (" .d turn on tagging of warnings with -gnatw switch"); 488 Write_Line 489 (" .D* turn off tagging of warnings with -gnatw switch"); 490 end if; 491 492 Write_Line (" e treat all warnings (but not info) as errors"); 493 Write_Line (" .e turn on every optional info/warning " & 494 "(no exceptions)"); 495 Write_Line (" f+ turn on warnings for unreferenced formal"); 496 Write_Line (" F* turn off warnings for unreferenced formal"); 497 Write_Line (" g*+ turn on warnings for unrecognized pragma"); 498 Write_Line (" G turn off warnings for unrecognized pragma"); 499 Write_Line (" h turn on warnings for hiding declarations"); 500 Write_Line (" H* turn off warnings for hiding declarations"); 501 Write_Line (" .h turn on warnings for holes in records"); 502 Write_Line (" .H* turn off warnings for holes in records"); 503 Write_Line (" i*+ turn on warnings for implementation unit"); 504 Write_Line (" I turn off warnings for implementation unit"); 505 Write_Line (" .i*+ turn on warnings for overlapping actuals"); 506 Write_Line (" .I turn off warnings for overlapping actuals"); 507 Write_Line (" j+ turn on warnings for obsolescent " & 508 "(annex J) feature"); 509 Write_Line (" J* turn off warnings for obsolescent " & 510 "(annex J) feature"); 511 Write_Line (" k+ turn on warnings on constant variable"); 512 Write_Line (" K* turn off warnings on constant variable"); 513 Write_Line (" .k turn on warnings for standard redefinition"); 514 Write_Line (" .K* turn off warnings for standard redefinition"); 515 Write_Line (" l turn on warnings for missing " & 516 "elaboration pragma"); 517 Write_Line (" L* turn off warnings for missing " & 518 "elaboration pragma"); 519 Write_Line (" .l turn on info messages for inherited aspects"); 520 Write_Line (" .L* turn off info messages for inherited aspects"); 521 Write_Line (" m+ turn on warnings for variable assigned " & 522 "but not read"); 523 Write_Line (" M* turn off warnings for variable assigned " & 524 "but not read"); 525 Write_Line (" .m* turn on warnings for suspicious modulus value"); 526 Write_Line (" .M turn off warnings for suspicious modulus value"); 527 Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)"); 528 Write_Line (" .n turn on info messages for atomic " & 529 "synchronization"); 530 Write_Line (" .N* turn off info messages for atomic " & 531 "synchronization"); 532 Write_Line (" o* turn on warnings for address clause overlay"); 533 Write_Line (" O turn off warnings for address clause overlay"); 534 Write_Line (" .o turn on warnings for out parameters assigned " & 535 "but not read"); 536 Write_Line (" .O* turn off warnings for out parameters assigned " & 537 "but not read"); 538 Write_Line (" p+ turn on warnings for ineffective pragma " & 539 "Inline in frontend"); 540 Write_Line (" P* turn off warnings for ineffective pragma " & 541 "Inline in frontend"); 542 Write_Line (" .p+ turn on warnings for suspicious parameter " & 543 "order"); 544 Write_Line (" .P* turn off warnings for suspicious parameter " & 545 "order"); 546 Write_Line (" q*+ turn on warnings for questionable " & 547 "missing parenthesis"); 548 Write_Line (" Q turn off warnings for questionable " & 549 "missing parenthesis"); 550 Write_Line (" r+ turn on warnings for redundant construct"); 551 Write_Line (" R* turn off warnings for redundant construct"); 552 Write_Line (" .r+ turn on warnings for object renaming function"); 553 Write_Line (" .R* turn off warnings for object renaming function"); 554 Write_Line (" s suppress all info/warnings"); 555 Write_Line (" .s turn on warnings for overridden size clause"); 556 Write_Line (" .S* turn off warnings for overridden size clause"); 557 Write_Line (" t turn on warnings for tracking deleted code"); 558 Write_Line (" T* turn off warnings for tracking deleted code"); 559 Write_Line (" .t*+ turn on warnings for suspicious contract"); 560 Write_Line (" .T turn off warnings for suspicious contract"); 561 Write_Line (" u+ turn on warnings for unused entity"); 562 Write_Line (" U* turn off warnings for unused entity"); 563 Write_Line (" .u turn on warnings for unordered enumeration"); 564 Write_Line (" .U* turn off warnings for unordered enumeration"); 565 Write_Line (" v*+ turn on warnings for unassigned variable"); 566 Write_Line (" V turn off warnings for unassigned variable"); 567 Write_Line (" .v*+ turn on info messages for reverse bit order"); 568 Write_Line (" .V turn off info messages for reverse bit order"); 569 Write_Line (" w*+ turn on warnings for wrong low bound assumption"); 570 Write_Line (" W turn off warnings for wrong low bound " & 571 "assumption"); 572 Write_Line (" .w turn on warnings on pragma Warnings Off"); 573 Write_Line (" .W* turn off warnings on pragma Warnings Off"); 574 Write_Line (" x*+ turn on warnings for export/import"); 575 Write_Line (" X turn off warnings for export/import"); 576 Write_Line (" .x+ turn on warnings for non-local exception"); 577 Write_Line (" .X* turn off warnings for non-local exception"); 578 Write_Line (" y*+ turn on warnings for Ada compatibility issues"); 579 Write_Line (" Y turn off warnings for Ada compatibility issues"); 580 Write_Line (" z*+ turn on warnings for suspicious " & 581 "unchecked conversion"); 582 Write_Line (" Z turn off warnings for suspicious " & 583 "unchecked conversion"); 584 585 -- Line for -gnatW switch 586 587 Write_Switch_Char ("W"); 588 Write_Str ("Wide character encoding method ("); 589 590 for J in WC_Encoding_Method loop 591 Write_Char (WC_Encoding_Letters (J)); 592 593 if J = WC_Encoding_Method'Last then 594 Write_Char (')'); 595 else 596 Write_Char ('/'); 597 end if; 598 end loop; 599 600 Write_Eol; 601 602 -- Line for -gnatx switch 603 604 Write_Switch_Char ("x"); 605 Write_Line ("Suppress output of cross-reference information"); 606 607 -- Line for -gnatX switch 608 609 Write_Switch_Char ("X"); 610 Write_Line ("Language extensions permitted"); 611 612 -- Lines for -gnaty switch 613 614 Write_Switch_Char ("y"); 615 Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)"); 616 Write_Switch_Char ("yxx"); 617 Write_Line ("Enable selected style checks xx = list of parameters:"); 618 Write_Line (" 1-9 check indentation"); 619 Write_Line (" a check attribute casing"); 620 Write_Line (" A check array attribute indexes"); 621 Write_Line (" b check no blanks at end of lines"); 622 Write_Line (" B check no use of AND/OR for boolean expressions"); 623 Write_Line (" c check comment format (two spaces)"); 624 Write_Line (" C check comment format (one space)"); 625 Write_Line (" d check no DOS line terminators"); 626 Write_Line (" e check end/exit labels present"); 627 Write_Line (" f check no form feeds/vertical tabs in source"); 628 Write_Line (" g check standard GNAT style rules"); 629 Write_Line (" h check no horizontal tabs in source"); 630 Write_Line (" i check if-then layout"); 631 Write_Line (" I check mode in"); 632 Write_Line (" k check casing rules for keywords"); 633 Write_Line (" l check reference manual layout"); 634 Write_Line (" Lnn check max nest level < nn "); 635 Write_Line (" m check line length <= 79 characters"); 636 Write_Line (" n check casing of package Standard identifiers"); 637 Write_Line (" Mnn check line length <= nn characters"); 638 Write_Line (" N turn off all checks"); 639 Write_Line (" o check subprogram bodies in alphabetical order"); 640 Write_Line (" O check overriding indicators"); 641 Write_Line (" p check pragma casing"); 642 Write_Line (" r check casing for identifier references"); 643 Write_Line (" s check separate subprogram specs present"); 644 Write_Line (" S check separate lines after THEN or ELSE"); 645 Write_Line (" t check token separation rules"); 646 Write_Line (" u check no unnecessary blank lines"); 647 Write_Line (" x check extra parentheses around conditionals"); 648 Write_Line (" y turn on default style checks"); 649 Write_Line (" - subtract (turn off) subsequent checks"); 650 Write_Line (" + add (turn on) subsequent checks"); 651 652 -- Lines for -gnatyN switch 653 654 Write_Switch_Char ("yN"); 655 Write_Line ("Cancel all previously set style checks"); 656 657 -- Lines for -gnatzc switch 658 659 Write_Switch_Char ("zc"); 660 Write_Line ("Distribution stub generation for caller stubs"); 661 662 -- Lines for -gnatzr switch 663 664 Write_Switch_Char ("zr"); 665 Write_Line ("Distribution stub generation for receiver stubs"); 666 667 -- Line for -gnat83 switch 668 669 Write_Switch_Char ("83"); 670 Write_Line ("Ada 83 mode"); 671 672 -- Line for -gnat95 switch 673 674 Write_Switch_Char ("95"); 675 676 if Ada_Version_Default = Ada_95 then 677 Write_Line ("Ada 95 mode (default)"); 678 else 679 Write_Line ("Ada 95 mode"); 680 end if; 681 682 -- Line for -gnat2005 switch 683 684 Write_Switch_Char ("2005"); 685 686 if Ada_Version_Default = Ada_2005 then 687 Write_Line ("Ada 2005 mode (default)"); 688 else 689 Write_Line ("Ada 2005 mode"); 690 end if; 691 692 -- Line for -gnat2012 switch 693 694 Write_Switch_Char ("2012"); 695 696 if Ada_Version_Default = Ada_2012 then 697 Write_Line ("Ada 2012 mode (default)"); 698 else 699 Write_Line ("Ada 2012 mode"); 700 end if; 701 702 -- Line for -gnat-p switch 703 704 Write_Switch_Char ("-p"); 705 Write_Line ("Cancel effect of previous -gnatp switch"); 706 707end Usage; 708