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 in an 80 character window. 126 127 -- Line for -gnata switch 128 129 Write_Switch_Char ("a"); 130 Write_Line ("Assertions enabled. Pragma Assert/Debug to be activated"); 131 132 -- Line for -gnatA switch 133 134 Write_Switch_Char ("A"); 135 Write_Line ("Avoid processing gnat.adc, if present file will be ignored"); 136 137 -- Line for -gnatb switch 138 139 Write_Switch_Char ("b"); 140 Write_Line ("Generate brief messages to stderr even if verbose mode set"); 141 142 -- Line for -gnatB switch 143 144 Write_Switch_Char ("B"); 145 Write_Line ("Assume no bad (invalid) values except in 'Valid attribute"); 146 147 -- Line for -gnatc switch 148 149 Write_Switch_Char ("c"); 150 Write_Line ("Check syntax and semantics only (no code generation)"); 151 152 -- Line for -gnatC switch 153 154 Write_Switch_Char ("C"); 155 Write_Line ("Generate CodePeer intermediate format (no code generation)"); 156 157 -- Line for -gnatd switch 158 159 Write_Switch_Char ("d?"); 160 Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb"); 161 162 -- Line for -gnatD switch 163 164 Write_Switch_Char ("D"); 165 Write_Line ("Debug expanded generated code (max line length = 72)"); 166 Write_Switch_Char ("Dnn"); 167 Write_Line ("Debug expanded generated code (max line length = nn)"); 168 169 -- No line for -gnatea : internal switch 170 171 -- Line for -gnateA switch 172 173 Write_Switch_Char ("eA"); 174 Write_Line ("Aliasing checks on subprogram parameters"); 175 176 -- Line for -gnatec switch 177 178 Write_Switch_Char ("ec=?"); 179 Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc"); 180 181 -- Line for -gnateC switch 182 183 Write_Switch_Char ("eC"); 184 Write_Line ("Generate CodePeer messages (ignored without -gnatcC)"); 185 186 -- Line for -gnated switch 187 188 Write_Switch_Char ("ed"); 189 Write_Line ("Disable synchronization of atomic variables"); 190 191 -- Line for -gnateD switch 192 193 Write_Switch_Char ("eD?"); 194 Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val"); 195 196 -- Line for -gnateE switch 197 198 Write_Switch_Char ("eE"); 199 Write_Line ("Generate extra information in exception messages"); 200 201 -- Line for -gnatef switch 202 203 Write_Switch_Char ("ef"); 204 Write_Line ("Full source path in brief error messages"); 205 206 -- Line for -gnateF switch 207 208 Write_Switch_Char ("eF"); 209 Write_Line ("Check overflow on predefined Float types"); 210 211 -- Line for -gnateG switch 212 213 Write_Switch_Char ("eG"); 214 Write_Line ("Generate preprocessed source"); 215 216 -- Line for -gnatei switch 217 218 Write_Switch_Char ("einn"); 219 Write_Line ("Set maximum number of instantiations to nn"); 220 221 -- Line for -gnateI switch 222 223 Write_Switch_Char ("eInn"); 224 Write_Line ("Index in multi-unit source, e.g. -gnateI2"); 225 226 -- Line for -gnatel switch 227 228 Write_Switch_Char ("el"); 229 Write_Line ("Turn on info messages on generated Elaborate[_All] pragmas"); 230 231 -- Line for -gnateL switch 232 233 Write_Switch_Char ("eL"); 234 Write_Line ("Turn off info messages on generated Elaborate[_All] pragmas"); 235 236 -- Line for -gnatem switch 237 238 Write_Switch_Char ("em=?"); 239 Write_Line ("Specify mapping file, e.g. -gnatem=mapping"); 240 241 -- No line for -gnateO=? : internal switch 242 243 -- Line for -gnatep switch 244 245 Write_Switch_Char ("ep=?"); 246 Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data"); 247 248 -- Line for -gnateP switch 249 250 Write_Switch_Char ("eP"); 251 Write_Line ("Pure/Prelaborate errors generate warnings rather than errors"); 252 253 -- No line for -gnates=? : internal switch 254 255 -- Line for -gnateS switch 256 257 Write_Switch_Char ("eS"); 258 Write_Line ("Generate SCO (Source Coverage Obligation) information"); 259 260 -- Line for -gnatet switch 261 262 Write_Switch_Char ("et=?"); 263 Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf"); 264 265 -- Line for -gnateT switch 266 267 Write_Switch_Char ("eT=?"); 268 Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf"); 269 270 -- Line for -gnateu switch 271 272 Write_Switch_Char ("eu"); 273 Write_Line ("Ignore unrecognized style/validity/warning switches"); 274 275 -- Line for -gnateV switch 276 277 Write_Switch_Char ("eV"); 278 Write_Line ("Validity checks on subprogram parameters"); 279 280 -- Line for -gnateY switch 281 282 Write_Switch_Char ("eY"); 283 Write_Line ("Ignore all Style_Checks pragmas in source"); 284 285 -- No line for -gnatez : internal switch 286 287 -- Line for -gnatE switch 288 289 Write_Switch_Char ("E"); 290 Write_Line ("Dynamic elaboration checking mode enabled"); 291 292 -- Line for -gnatf switch 293 294 Write_Switch_Char ("f"); 295 Write_Line ("Full errors. Verbose details, all undefined references"); 296 297 -- Line for -gnatF switch 298 299 Write_Switch_Char ("F"); 300 Write_Line ("Force all import/export external names to all uppercase"); 301 302 -- Line for -gnatg switch 303 304 Write_Switch_Char ("g"); 305 Write_Line ("GNAT implementation mode (used for compiling GNAT units)"); 306 307 -- Lines for -gnatG switch 308 309 Write_Switch_Char ("G"); 310 Write_Line ("Output generated expanded code (max line length = 72)"); 311 Write_Switch_Char ("Gnn"); 312 Write_Line ("Output generated expanded code (max line length = nn)"); 313 314 -- Line for -gnath switch 315 316 Write_Switch_Char ("h"); 317 Write_Line ("Output this usage (help) information"); 318 319 -- Line for -gnati switch 320 321 Write_Switch_Char ("i?"); 322 Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)"); 323 324 -- Line for -gnatI switch 325 326 Write_Switch_Char ("I"); 327 Write_Line ("Ignore all representation clauses"); 328 329 -- Line for -gnatj switch 330 331 Write_Switch_Char ("jnn"); 332 Write_Line ("Format error and warning messages to fit nn character lines"); 333 334 -- Line for -gnatk switch 335 336 Write_Switch_Char ("k"); 337 Write_Line ("Limit file names to nn characters (k = krunch)"); 338 339 -- Lines for -gnatl switch 340 341 Write_Switch_Char ("l"); 342 Write_Line ("Output full source listing with embedded error messages"); 343 Write_Switch_Char ("l=f"); 344 Write_Line ("Output full source listing to specified file"); 345 346 -- Line for -gnatL switch 347 348 Write_Switch_Char ("L"); 349 Write_Line ("List corresponding source text in -gnatG or -gnatD output"); 350 351 -- Line for -gnatm switch 352 353 Write_Switch_Char ("mnn"); 354 Write_Line ("Limit number of detected errors/warnings to nn (1-999999)"); 355 356 -- Line for -gnatn switch 357 358 Write_Switch_Char ("n[?]"); 359 Write_Line ("Enable pragma Inline (both within and across units, ?=1/2)"); 360 361 -- Line for -gnato switch 362 363 Write_Switch_Char ("o"); 364 Write_Line ("Enable overflow checking mode to CHECKED (off by default)"); 365 366 -- Lines for -gnato? switches 367 368 Write_Switch_Char ("o?"); 369 Write_Line 370 ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode "); 371 Write_Switch_Char ("o??"); 372 Write_Line 373 ("Set mode for general/assertion expressions separately"); 374 375 -- No line for -gnatO : internal switch 376 377 -- Line for -gnatp switch 378 379 Write_Switch_Char ("p"); 380 Write_Line ("Suppress all checks"); 381 382 -- Line for -gnatP switch 383 384 Write_Switch_Char ("P"); 385 Write_Line ("Generate periodic calls to System.Polling.Poll"); 386 387 -- Line for -gnatq switch 388 389 Write_Switch_Char ("q"); 390 Write_Line ("Don't quit, try semantics, even if parse errors"); 391 392 -- Line for -gnatQ switch 393 394 Write_Switch_Char ("Q"); 395 Write_Line ("Don't quit, write ali/tree file even if compile errors"); 396 397 -- Line for -gnatr switch 398 399 Write_Switch_Char ("r"); 400 Write_Line ("Treat pragma Restrictions as Restriction_Warnings"); 401 402 -- Lines for -gnatR switch 403 404 Write_Switch_Char ("R?"); 405 Write_Line 406 ("List rep info (?=0/1/2/3/m for none/types/all/variable/mechanisms)"); 407 Write_Switch_Char ("R?s"); 408 Write_Line ("List rep info to file.rep instead of standard output"); 409 410 -- Line for -gnats switch 411 412 Write_Switch_Char ("s"); 413 Write_Line ("Syntax check only"); 414 415 -- Line for -gnatS switch 416 417 Write_Switch_Char ("S"); 418 Write_Line ("Print listing of package Standard"); 419 420 -- Line for -gnatt switch 421 422 Write_Switch_Char ("t"); 423 Write_Line ("Tree output file to be generated"); 424 425 -- Line for -gnatTnn switch 426 427 Write_Switch_Char ("Tnn"); 428 Write_Line ("All compiler tables start at nn times usual starting size"); 429 430 -- Line for -gnatu switch 431 432 Write_Switch_Char ("u"); 433 Write_Line ("List units for this compilation"); 434 435 -- Line for -gnatU switch 436 437 Write_Switch_Char ("U"); 438 Write_Line ("Enable unique tag for error messages"); 439 440 -- Line for -gnatv switch 441 442 Write_Switch_Char ("v"); 443 Write_Line ("Verbose mode. Full error output with source lines to stdout"); 444 445 -- Lines for -gnatV switch 446 447 Write_Switch_Char ("Vxx"); 448 Write_Line 449 ("Enable selected validity checking mode, xx = list of parameters:"); 450 Write_Line (" a turn on all validity checking options"); 451 Write_Line (" c turn on checking for copies"); 452 Write_Line (" C turn off checking for copies"); 453 Write_Line (" d turn on default (RM) checking"); 454 Write_Line (" D turn off default (RM) checking"); 455 Write_Line (" e turn on checking for elementary components"); 456 Write_Line (" E turn off checking for elementary components"); 457 Write_Line (" f turn on checking for floating-point"); 458 Write_Line (" F turn off checking for floating-point"); 459 Write_Line (" i turn on checking for in params"); 460 Write_Line (" I turn off checking for in params"); 461 Write_Line (" m turn on checking for in out params"); 462 Write_Line (" M turn off checking for in out params"); 463 Write_Line (" o turn on checking for operators/attributes"); 464 Write_Line (" O turn off checking for operators/attributes"); 465 Write_Line (" p turn on checking for parameters"); 466 Write_Line (" P turn off checking for parameters"); 467 Write_Line (" r turn on checking for returns"); 468 Write_Line (" R turn off checking for returns"); 469 Write_Line (" s turn on checking for subscripts"); 470 Write_Line (" S turn off checking for subscripts"); 471 Write_Line (" t turn on checking for tests"); 472 Write_Line (" T turn off checking for tests"); 473 Write_Line (" n turn off all validity checks (including RM)"); 474 475 -- Lines for -gnatw switch 476 477 Write_Switch_Char ("wxx"); 478 Write_Line ("Enable selected warning modes, xx = list of parameters:"); 479 Write_Line (" * indicates default setting"); 480 Write_Line (" + indicates warning flag included in -gnatwa"); 481 Write_Line (" a turn on all info/warnings marked below with +"); 482 Write_Line (" A turn off all optional info/warnings"); 483 Write_Line (" .a*+ turn on warnings for failing assertion"); 484 Write_Line (" .A turn off warnings for failing assertion"); 485 Write_Line (" b+ turn on warnings for bad fixed value " & 486 "(not multiple of small)"); 487 Write_Line (" B* turn off warnings for bad fixed value " & 488 "(not multiple of small)"); 489 Write_Line (" .b*+ turn on warnings for biased representation"); 490 Write_Line (" .B turn off warnings for biased representation"); 491 Write_Line (" c+ turn on warnings for constant conditional"); 492 Write_Line (" C* turn off warnings for constant conditional"); 493 Write_Line (" .c+ turn on warnings for unrepped components"); 494 Write_Line (" .C* turn off warnings for unrepped components"); 495 Write_Line (" d turn on warnings for implicit dereference"); 496 Write_Line (" D* turn off warnings for implicit dereference"); 497 498 -- Switches -gnatw.d/w.D not available on VMS 499 500 if not OpenVMS_On_Target then 501 Write_Line 502 (" .d turn on tagging of warnings with -gnatw switch"); 503 Write_Line 504 (" .D* turn off tagging of warnings with -gnatw switch"); 505 end if; 506 507 Write_Line (" e treat all warnings (but not info) as errors"); 508 Write_Line (" .e turn on every optional info/warning " & 509 "(no exceptions)"); 510 Write_Line (" f+ turn on warnings for unreferenced formal"); 511 Write_Line (" F* turn off warnings for unreferenced formal"); 512 Write_Line (" g*+ turn on warnings for unrecognized pragma"); 513 Write_Line (" G turn off warnings for unrecognized pragma"); 514 Write_Line (" h turn on warnings for hiding declarations"); 515 Write_Line (" H* turn off warnings for hiding declarations"); 516 Write_Line (" .h turn on warnings for holes in records"); 517 Write_Line (" .H* turn off warnings for holes in records"); 518 Write_Line (" i*+ turn on warnings for implementation unit"); 519 Write_Line (" I turn off warnings for implementation unit"); 520 Write_Line (" .i*+ turn on warnings for overlapping actuals"); 521 Write_Line (" .I turn off warnings for overlapping actuals"); 522 Write_Line (" j+ turn on warnings for obsolescent " & 523 "(annex J) feature"); 524 Write_Line (" J* turn off warnings for obsolescent " & 525 "(annex J) feature"); 526 Write_Line (" k+ turn on warnings on constant variable"); 527 Write_Line (" K* turn off warnings on constant variable"); 528 Write_Line (" .k turn on warnings for standard redefinition"); 529 Write_Line (" .K* turn off warnings for standard redefinition"); 530 Write_Line (" l turn on warnings for elaboration problems"); 531 Write_Line (" L* turn off warnings for elaboration problems"); 532 Write_Line (" .l turn on info messages for inherited aspects"); 533 Write_Line (" .L* turn off info messages for inherited aspects"); 534 Write_Line (" m+ turn on warnings for variable assigned " & 535 "but not read"); 536 Write_Line (" M* turn off warnings for variable assigned " & 537 "but not read"); 538 Write_Line (" .m* turn on warnings for suspicious modulus value"); 539 Write_Line (" .M turn off warnings for suspicious modulus value"); 540 Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)"); 541 Write_Line (" .n turn on info messages for atomic " & 542 "synchronization"); 543 Write_Line (" .N* turn off info messages for atomic " & 544 "synchronization"); 545 Write_Line (" o* turn on warnings for address clause overlay"); 546 Write_Line (" O turn off warnings for address clause overlay"); 547 Write_Line (" .o turn on warnings for out parameters assigned " & 548 "but not read"); 549 Write_Line (" .O* turn off warnings for out parameters assigned " & 550 "but not read"); 551 Write_Line (" p+ turn on warnings for ineffective pragma " & 552 "Inline in frontend"); 553 Write_Line (" P* turn off warnings for ineffective pragma " & 554 "Inline in frontend"); 555 Write_Line (" .p+ turn on warnings for suspicious parameter " & 556 "order"); 557 Write_Line (" .P* turn off warnings for suspicious parameter " & 558 "order"); 559 Write_Line (" q*+ turn on warnings for questionable " & 560 "missing parenthesis"); 561 Write_Line (" Q turn off warnings for questionable " & 562 "missing parenthesis"); 563 Write_Line (" r+ turn on warnings for redundant construct"); 564 Write_Line (" R* turn off warnings for redundant construct"); 565 Write_Line (" .r+ turn on warnings for object renaming function"); 566 Write_Line (" .R* turn off warnings for object renaming function"); 567 Write_Line (" s suppress all info/warnings"); 568 Write_Line (" .s turn on warnings for overridden size clause"); 569 Write_Line (" .S* turn off warnings for overridden size clause"); 570 Write_Line (" t turn on warnings for tracking deleted code"); 571 Write_Line (" T* turn off warnings for tracking deleted code"); 572 Write_Line (" .t*+ turn on warnings for suspicious contract"); 573 Write_Line (" .T turn off warnings for suspicious contract"); 574 Write_Line (" u+ turn on warnings for unused entity"); 575 Write_Line (" U* turn off warnings for unused entity"); 576 Write_Line (" .u turn on warnings for unordered enumeration"); 577 Write_Line (" .U* turn off warnings for unordered enumeration"); 578 Write_Line (" v*+ turn on warnings for unassigned variable"); 579 Write_Line (" V turn off warnings for unassigned variable"); 580 Write_Line (" .v*+ turn on info messages for reverse bit order"); 581 Write_Line (" .V turn off info messages for reverse bit order"); 582 Write_Line (" w*+ turn on warnings for wrong low bound assumption"); 583 Write_Line (" W turn off warnings for wrong low bound " & 584 "assumption"); 585 Write_Line (" .w turn on warnings on pragma Warnings Off"); 586 Write_Line (" .W* turn off warnings on pragma Warnings Off"); 587 Write_Line (" x*+ turn on warnings for export/import"); 588 Write_Line (" X turn off warnings for export/import"); 589 Write_Line (" .x+ turn on warnings for non-local exception"); 590 Write_Line (" .X* turn off warnings for non-local exception"); 591 Write_Line (" y*+ turn on warnings for Ada compatibility issues"); 592 Write_Line (" Y turn off warnings for Ada compatibility issues"); 593 Write_Line (" .y turn on info messages for why pkg body needed"); 594 Write_Line (" .Y* turn off info messages for why pkg body needed"); 595 Write_Line (" z*+ turn on warnings for suspicious " & 596 "unchecked conversion"); 597 Write_Line (" Z turn off warnings for suspicious " & 598 "unchecked conversion"); 599 600 -- Line for -gnatW switch 601 602 Write_Switch_Char ("W?"); 603 Write_Str ("Wide character encoding method (?="); 604 605 for J in WC_Encoding_Method loop 606 Write_Char (WC_Encoding_Letters (J)); 607 608 if J = WC_Encoding_Method'Last then 609 Write_Char (')'); 610 else 611 Write_Char ('/'); 612 end if; 613 end loop; 614 615 Write_Eol; 616 617 -- Line for -gnatx switch 618 619 Write_Switch_Char ("x"); 620 Write_Line ("Suppress output of cross-reference information"); 621 622 -- Line for -gnatX switch 623 624 Write_Switch_Char ("X"); 625 Write_Line ("Language extensions permitted"); 626 627 -- Lines for -gnaty switch 628 629 Write_Switch_Char ("y"); 630 Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)"); 631 Write_Switch_Char ("yxx"); 632 Write_Line ("Enable selected style checks xx = list of parameters:"); 633 Write_Line (" 1-9 check indentation"); 634 Write_Line (" a check attribute casing"); 635 Write_Line (" A check array attribute indexes"); 636 Write_Line (" b check no blanks at end of lines"); 637 Write_Line (" B check no use of AND/OR for boolean expressions"); 638 Write_Line (" c check comment format (two spaces)"); 639 Write_Line (" C check comment format (one space)"); 640 Write_Line (" d check no DOS line terminators"); 641 Write_Line (" e check end/exit labels present"); 642 Write_Line (" f check no form feeds/vertical tabs in source"); 643 Write_Line (" g check standard GNAT style rules"); 644 Write_Line (" h check no horizontal tabs in source"); 645 Write_Line (" i check if-then layout"); 646 Write_Line (" I check mode in"); 647 Write_Line (" k check casing rules for keywords"); 648 Write_Line (" l check reference manual layout"); 649 Write_Line (" Lnn check max nest level < nn "); 650 Write_Line (" m check line length <= 79 characters"); 651 Write_Line (" Mnn check line length <= nn characters"); 652 Write_Line (" n check casing of package Standard identifiers"); 653 Write_Line (" N turn off all checks"); 654 Write_Line (" o check subprogram bodies in alphabetical order"); 655 Write_Line (" O check overriding indicators"); 656 Write_Line (" p check pragma casing"); 657 Write_Line (" r check casing for identifier references"); 658 Write_Line (" s check separate subprogram specs present"); 659 Write_Line (" S check separate lines after THEN or ELSE"); 660 Write_Line (" t check token separation rules"); 661 Write_Line (" u check no unnecessary blank lines"); 662 Write_Line (" x check extra parentheses around conditionals"); 663 Write_Line (" y turn on default style checks"); 664 Write_Line (" - subtract (turn off) subsequent checks"); 665 Write_Line (" + add (turn on) subsequent checks"); 666 667 -- Lines for -gnatyN switch 668 669 Write_Switch_Char ("yN"); 670 Write_Line ("Cancel all previously set style checks"); 671 672 -- Lines for -gnatzc switch 673 674 Write_Switch_Char ("zc"); 675 Write_Line ("Distribution stub generation for caller stubs"); 676 677 -- Lines for -gnatzr switch 678 679 Write_Switch_Char ("zr"); 680 Write_Line ("Distribution stub generation for receiver stubs"); 681 682 -- Line for -gnat83 switch 683 684 Write_Switch_Char ("83"); 685 Write_Line ("Ada 83 mode"); 686 687 -- Line for -gnat95 switch 688 689 Write_Switch_Char ("95"); 690 691 if Ada_Version_Default = Ada_95 then 692 Write_Line ("Ada 95 mode (default)"); 693 else 694 Write_Line ("Ada 95 mode"); 695 end if; 696 697 -- Line for -gnat2005 switch 698 699 Write_Switch_Char ("2005"); 700 701 if Ada_Version_Default = Ada_2005 then 702 Write_Line ("Ada 2005 mode (default)"); 703 else 704 Write_Line ("Ada 2005 mode"); 705 end if; 706 707 -- Line for -gnat2012 switch 708 709 Write_Switch_Char ("2012"); 710 711 if Ada_Version_Default = Ada_2012 then 712 Write_Line ("Ada 2012 mode (default)"); 713 else 714 Write_Line ("Ada 2012 mode"); 715 end if; 716 717 -- Line for -gnat-p switch 718 719 Write_Switch_Char ("-p"); 720 Write_Line ("Cancel effect of previous -gnatp switch"); 721 722end Usage; 723