1------------------------------------------------------------------------------ 2-- -- 3-- GNAT COMPILER COMPONENTS -- 4-- -- 5-- U S A G E -- 6-- -- 7-- B o d y -- 8-- -- 9-- Copyright (C) 1992-2019, 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 Namet; use Namet; 30with Opt; use Opt; 31with Osint; use Osint; 32with Output; use Output; 33 34with System.WCh_Con; use System.WCh_Con; 35 36procedure Usage is 37 38 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat"); 39 -- Output two spaces followed by the switch character minus followed 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. 44 45 ----------------------- 46 -- Write_Switch_Char -- 47 ----------------------- 48 49 procedure Write_Switch_Char (Sw : String; Prefix : String := "gnat") is 50 begin 51 Write_Str (" -"); 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 93 -- Common switches available everywhere 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 110 -- characters, so the remaining message is allowed to be a maximum of 111 -- 65 characters to be comfortable in an 80 character window. 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"); 127 128 -- Line for -gnatB switch 129 130 Write_Switch_Char ("B"); 131 Write_Line ("Assume no bad (invalid) values except in 'Valid attribute"); 132 133 -- Line for -gnatc switch 134 135 Write_Switch_Char ("c"); 136 Write_Line ("Check syntax and semantics only (no code generation)"); 137 138 -- Line for -gnatC switch 139 140 Write_Switch_Char ("C"); 141 Write_Line ("Generate CodePeer intermediate format (no code generation)"); 142 143 -- Line for -gnatd switch 144 145 Write_Switch_Char ("d?"); 146 Write_Line ("Compiler debug option ? ([.]a-z,A-Z,0-9), see debug.adb"); 147 148 -- Line for -gnatD switch 149 150 Write_Switch_Char ("D"); 151 Write_Line ("Debug expanded generated code (max line length = 72)"); 152 Write_Switch_Char ("Dnn"); 153 Write_Line ("Debug expanded generated code (max line length = nn)"); 154 155 -- No line for -gnatea : internal switch 156 157 -- Line for -gnateA switch 158 159 Write_Switch_Char ("eA"); 160 Write_Line ("Aliasing checks on subprogram parameters"); 161 162 -- Line for -gnatec switch 163 164 Write_Switch_Char ("ec=?"); 165 Write_Line ("Specify configuration pragmas file, e.g. -gnatec=/x/f.adc"); 166 167 -- Line for -gnateC switch 168 169 Write_Switch_Char ("eC"); 170 Write_Line ("Generate CodePeer messages (ignored without -gnatcC)"); 171 172 -- Line for -gnated switch 173 174 Write_Switch_Char ("ed"); 175 Write_Line ("Disable synchronization of atomic variables"); 176 177 -- Line for -gnateD switch 178 179 Write_Switch_Char ("eD?"); 180 Write_Line ("Define or redefine preprocessing symbol, e.g. -gnateDsym=val"); 181 182 -- Line for -gnateE switch 183 184 Write_Switch_Char ("eE"); 185 Write_Line ("Generate extra information in exception messages"); 186 187 -- Line for -gnatef switch 188 189 Write_Switch_Char ("ef"); 190 Write_Line ("Full source path in brief error messages"); 191 192 -- Line for -gnateF switch 193 194 Write_Switch_Char ("eF"); 195 Write_Line ("Check overflow on predefined Float types"); 196 197 -- Line for -gnateG switch 198 199 Write_Switch_Char ("eG"); 200 Write_Line ("Generate preprocessed source"); 201 202 -- Line for -gnatei switch 203 204 Write_Switch_Char ("einn"); 205 Write_Line ("Set maximum number of instantiations to nn"); 206 207 -- Line for -gnateI switch 208 209 Write_Switch_Char ("eInn"); 210 Write_Line ("Index in multi-unit source, e.g. -gnateI2"); 211 212 -- 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"); 221 222 -- Line for -gnatem switch 223 224 Write_Switch_Char ("em=?"); 225 Write_Line ("Specify mapping file, e.g. -gnatem=mapping"); 226 227 -- No line for -gnateO=? : internal switch 228 229 -- Line for -gnatep switch 230 231 Write_Switch_Char ("ep=?"); 232 Write_Line ("Specify preprocessing data file, e.g. -gnatep=prep.data"); 233 234 -- Line for -gnateP switch 235 236 Write_Switch_Char ("eP"); 237 Write_Line ("Pure/Prelaborate errors generate warnings rather than errors"); 238 239 -- No line for -gnates=? : internal switch 240 241 -- Line for -gnateS switch 242 243 Write_Switch_Char ("eS"); 244 Write_Line ("Generate SCO (Source Coverage Obligation) information"); 245 246 -- Line for -gnatet switch 247 248 Write_Switch_Char ("et=?"); 249 Write_Line ("Write target dependent information file ?, e.g. gnatet=tdf"); 250 251 -- Line for -gnateT switch 252 253 Write_Switch_Char ("eT=?"); 254 Write_Line ("Read target dependent information file ?, e.g. gnateT=tdf"); 255 256 -- Line for -gnateu switch 257 258 Write_Switch_Char ("eu"); 259 Write_Line ("Ignore unrecognized style/validity/warning switches"); 260 261 -- Line for -gnateV switch 262 263 Write_Switch_Char ("eV"); 264 Write_Line ("Validity checks on subprogram parameters"); 265 266 -- Line for -gnateY switch 267 268 Write_Switch_Char ("eY"); 269 Write_Line ("Ignore all Style_Checks pragmas in source"); 270 271 -- No line for -gnatez : internal switch 272 273 -- 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)"); 292 293 -- Lines for -gnatG switch 294 295 Write_Switch_Char ("G"); 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)"); 299 300 -- Line for -gnath switch 301 302 Write_Switch_Char ("h"); 303 Write_Line ("Output this usage (help) information"); 304 305 -- Line for -gnatH switch 306 307 Write_Switch_Char ("H"); 308 Write_Line ("Legacy elaboration checking mode enabled"); 309 310 -- Line for -gnati switch 311 312 Write_Switch_Char ("i?"); 313 Write_Line ("Identifier char set (?=1/2/3/4/5/8/9/p/f/n/w)"); 314 315 -- Line for -gnatI switch 316 317 Write_Switch_Char ("I"); 318 Write_Line ("Ignore all representation clauses"); 319 320 -- Line for -gnatj switch 321 322 Write_Switch_Char ("jnn"); 323 Write_Line ("Format error and warning messages to fit nn character lines"); 324 325 -- Line for -gnatJ switch 326 327 Write_Switch_Char ("J"); 328 Write_Line ("Relaxed elaboration checking mode enabled"); 329 330 -- Line for -gnatk switch 331 332 Write_Switch_Char ("k"); 333 Write_Line ("Limit file names to nn characters (k = krunch)"); 334 335 -- Lines for -gnatl switch 336 337 Write_Switch_Char ("l"); 338 Write_Line ("Output full source listing with embedded error messages"); 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"); 346 347 -- Line for -gnatm switch 348 349 Write_Switch_Char ("mnn"); 350 Write_Line ("Limit number of detected errors/warnings to nn (1-999999)"); 351 352 -- Line for -gnatn switch 353 354 Write_Switch_Char ("n[?]"); 355 Write_Line ("Enable pragma Inline across units (?=1/2 for moderate/full)"); 356 357 -- Line for -gnato switch 358 359 Write_Switch_Char ("o0"); 360 Write_Line ("Disable overflow checking"); 361 362 Write_Switch_Char ("o"); 363 Write_Line ("Enable overflow checking in STRICT (-gnato1) mode (default)"); 364 365 -- Lines for -gnato? switches 366 367 Write_Switch_Char ("o?"); 368 Write_Line 369 ("Enable overflow checks in STRICT/MINIMIZED/ELIMINATED (1/2/3) mode "); 370 Write_Switch_Char ("o??"); 371 Write_Line 372 ("Set mode for general/assertion expressions separately"); 373 374 -- No line for -gnatO : internal switch 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"); 395 396 -- Line for -gnatr switch 397 398 Write_Switch_Char ("r"); 399 Write_Line ("Treat pragma Restrictions as Restriction_Warnings"); 400 401 -- Lines for -gnatR switch 402 403 Write_Switch_Char ("R?"); 404 Write_Line 405 ("List rep info (?=0/1/2/3/4/e/m for none/types/all/sym/cg/ext/mech)"); 406 Write_Switch_Char ("R?j"); 407 Write_Line ("List rep info in the JSON data interchange format"); 408 Write_Switch_Char ("R?s"); 409 Write_Line ("List rep info to file.rep instead of standard output"); 410 411 -- Line for -gnats switch 412 413 Write_Switch_Char ("s"); 414 Write_Line ("Syntax check only"); 415 416 -- Line for -gnatS switch 417 418 Write_Switch_Char ("S"); 419 Write_Line ("Print listing of package Standard"); 420 421 -- Line for -gnatt switch 422 423 Write_Switch_Char ("t"); 424 Write_Line ("Tree output file to be generated"); 425 426 -- Line for -gnatTnn switch 427 428 Write_Switch_Char ("Tnn"); 429 Write_Line ("All compiler tables start at nn times usual starting size"); 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"); 445 446 -- Lines for -gnatV switch 447 448 Write_Switch_Char ("Vxx"); 449 Write_Line 450 ("Enable selected validity checking mode, xx = list of parameters:"); 451 Write_Line (" a turn on all validity checking options"); 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"); 456 Write_Line (" e turn on checking for elementary components"); 457 Write_Line (" E turn off checking for elementary components"); 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"); 464 Write_Line (" n turn off all validity checks (including RM)"); 465 Write_Line (" o turn on checking for operators/attributes"); 466 Write_Line (" O turn off checking for operators/attributes"); 467 Write_Line (" p turn on checking for parameters"); 468 Write_Line (" P turn off checking for parameters"); 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"); 475 476 -- Lines for -gnatw switch 477 478 Write_Switch_Char ("wxx"); 479 Write_Line ("Enable selected warning modes, xx = list of parameters:"); 480 Write_Line (" * indicates default setting"); 481 Write_Line (" + indicates warning flag included in -gnatwa"); 482 Write_Line (" a turn on all info/warnings marked below with +"); 483 Write_Line (" A turn off all optional info/warnings"); 484 Write_Line (" .a*+ turn on warnings for failing assertion"); 485 Write_Line (" .A turn off warnings for failing assertion"); 486 Write_Line (" b+ turn on warnings for bad fixed value " & 487 "(not multiple of small)"); 488 Write_Line (" B* turn off warnings for bad fixed value " & 489 "(not multiple of small)"); 490 Write_Line (" .b*+ turn on warnings for biased representation"); 491 Write_Line (" .B turn off warnings for biased representation"); 492 Write_Line (" c+ turn on warnings for constant conditional"); 493 Write_Line (" C* turn off warnings for constant conditional"); 494 Write_Line (" .c+ turn on warnings for unrepped components"); 495 Write_Line (" .C* turn off warnings for unrepped components"); 496 Write_Line (" d turn on warnings for implicit dereference"); 497 Write_Line (" D* turn off warnings for implicit dereference"); 498 Write_Line (" .d turn on tagging of warnings with -gnatw switch"); 499 Write_Line (" .D* turn off tagging of warnings with -gnatw switch"); 500 Write_Line (" e treat all warnings (but not info) as errors"); 501 Write_Line (" .e turn on every optional info/warning " & 502 "(no exceptions)"); 503 Write_Line (" E treat all run-time warnings as errors"); 504 Write_Line (" f+ turn on warnings for unreferenced formal"); 505 Write_Line (" F* turn off warnings for unreferenced formal"); 506 Write_Line (" .f turn on warnings for suspicious Subp'Access"); 507 Write_Line (" .F* turn off warnings for suspicious Subp'Access"); 508 Write_Line (" g*+ turn on warnings for unrecognized pragma"); 509 Write_Line (" G turn off warnings for unrecognized pragma"); 510 Write_Line (" .g turn on GNAT warnings"); 511 Write_Line (" h turn on warnings for hiding declarations"); 512 Write_Line (" H* turn off warnings for hiding declarations"); 513 Write_Line (" .h turn on warnings for holes in records"); 514 Write_Line (" .H* turn off warnings for holes in records"); 515 Write_Line (" i*+ turn on warnings for implementation unit"); 516 Write_Line (" I turn off warnings for implementation unit"); 517 Write_Line (" .i*+ turn on warnings for overlapping actuals"); 518 Write_Line (" .I turn off warnings for overlapping actuals"); 519 Write_Line (" j+ turn on warnings for obsolescent " & 520 "(annex J) feature"); 521 Write_Line (" J* turn off warnings for obsolescent " & 522 "(annex J) feature"); 523 Write_Line (" .j+ turn on warnings for late dispatching " & 524 "primitives"); 525 Write_Line (" .J* turn off warnings for late dispatching " & 526 "primitives"); 527 Write_Line (" k+ turn on warnings on constant variable"); 528 Write_Line (" K* turn off warnings on constant variable"); 529 Write_Line (" .k turn on warnings for standard redefinition"); 530 Write_Line (" .K* turn off warnings for standard redefinition"); 531 Write_Line (" l turn on warnings for elaboration problems"); 532 Write_Line (" L* turn off warnings for elaboration problems"); 533 Write_Line (" .l turn on info messages for inherited aspects"); 534 Write_Line (" .L* turn off info messages for inherited aspects"); 535 Write_Line (" m+ turn on warnings for variable assigned " & 536 "but not read"); 537 Write_Line (" M* turn off warnings for variable assigned " & 538 "but not read"); 539 Write_Line (" .m*+ turn on warnings for suspicious modulus value"); 540 Write_Line (" .M turn off warnings for suspicious modulus value"); 541 Write_Line (" n* normal warning mode (cancels -gnatws/-gnatwe)"); 542 Write_Line (" .n turn on info messages for atomic " & 543 "synchronization"); 544 Write_Line (" .N* turn off info messages for atomic " & 545 "synchronization"); 546 Write_Line (" o* turn on warnings for address clause overlay"); 547 Write_Line (" O turn off warnings for address clause overlay"); 548 Write_Line (" .o turn on warnings for out parameters assigned " & 549 "but not read"); 550 Write_Line (" .O* turn off warnings for out parameters assigned " & 551 "but not read"); 552 Write_Line (" p+ turn on warnings for ineffective pragma " & 553 "Inline in frontend"); 554 Write_Line (" P* turn off warnings for ineffective pragma " & 555 "Inline in frontend"); 556 Write_Line (" .p+ turn on warnings for suspicious parameter " & 557 "order"); 558 Write_Line (" .P* turn off warnings for suspicious parameter " & 559 "order"); 560 Write_Line (" q*+ turn on warnings for questionable " & 561 "missing parenthesis"); 562 Write_Line (" Q turn off warnings for questionable " & 563 "missing parenthesis"); 564 Write_Line (" .q+ turn on warnings for questionable layout of " & 565 "record types"); 566 Write_Line (" .Q* turn off warnings for questionable layout of " & 567 "record types"); 568 Write_Line (" r+ turn on warnings for redundant construct"); 569 Write_Line (" R* turn off warnings for redundant construct"); 570 Write_Line (" .r+ turn on warnings for object renaming function"); 571 Write_Line (" .R* turn off warnings for object renaming function"); 572 Write_Line (" s suppress all info/warnings"); 573 Write_Line (" .s turn on warnings for overridden size clause"); 574 Write_Line (" .S* turn off warnings for overridden size clause"); 575 Write_Line (" t turn on warnings for tracking deleted code"); 576 Write_Line (" T* turn off warnings for tracking deleted code"); 577 Write_Line (" .t*+ turn on warnings for suspicious contract"); 578 Write_Line (" .T turn off warnings for suspicious contract"); 579 Write_Line (" u+ turn on warnings for unused entity"); 580 Write_Line (" U* turn off warnings for unused entity"); 581 Write_Line (" .u turn on warnings for unordered enumeration"); 582 Write_Line (" .U* turn off warnings for unordered enumeration"); 583 Write_Line (" v*+ turn on warnings for unassigned variable"); 584 Write_Line (" V turn off warnings for unassigned variable"); 585 Write_Line (" .v*+ turn on info messages for reverse bit order"); 586 Write_Line (" .V turn off info messages for reverse bit order"); 587 Write_Line (" w*+ turn on warnings for wrong low bound assumption"); 588 Write_Line (" W turn off warnings for wrong low bound " & 589 "assumption"); 590 Write_Line (" .w turn on warnings on pragma Warnings Off"); 591 Write_Line (" .W* turn off warnings on pragma Warnings Off"); 592 Write_Line (" x*+ turn on warnings for export/import"); 593 Write_Line (" X turn off warnings for export/import"); 594 Write_Line (" .x+ turn on warnings for non-local exception"); 595 Write_Line (" .X* turn off warnings for non-local exception"); 596 Write_Line (" y*+ turn on warnings for Ada compatibility issues"); 597 Write_Line (" Y turn off warnings for Ada compatibility issues"); 598 Write_Line (" .y turn on info messages for why pkg body needed"); 599 Write_Line (" .Y* turn off info messages for why pkg body needed"); 600 Write_Line (" z*+ turn on warnings for suspicious " & 601 "unchecked conversion"); 602 Write_Line (" Z turn off warnings for suspicious " & 603 "unchecked conversion"); 604 Write_Line (" .z*+ turn on warnings for record size not a " & 605 "multiple of alignment"); 606 Write_Line (" .Z turn off warnings for record size not a " & 607 "multiple of alignment"); 608 609 -- Line for -gnatW switch 610 611 Write_Switch_Char ("W?"); 612 Write_Str ("Wide character encoding method (?="); 613 614 for J in WC_Encoding_Method loop 615 Write_Char (WC_Encoding_Letters (J)); 616 617 if J = WC_Encoding_Method'Last then 618 Write_Char (')'); 619 else 620 Write_Char ('/'); 621 end if; 622 end loop; 623 624 Write_Eol; 625 626 -- Line for -gnatx switch 627 628 Write_Switch_Char ("x"); 629 Write_Line ("Suppress output of cross-reference information"); 630 631 -- Line for -gnatX switch 632 633 Write_Switch_Char ("X"); 634 Write_Line ("Language extensions permitted"); 635 636 -- Lines for -gnaty switch 637 638 Write_Switch_Char ("y"); 639 Write_Line ("Enable default style checks (same as -gnaty3abcefhiklmnprst)"); 640 Write_Switch_Char ("yxx"); 641 Write_Line ("Enable selected style checks xx = list of parameters:"); 642 Write_Line (" 1-9 check indentation"); 643 Write_Line (" a check attribute casing"); 644 Write_Line (" A check array attribute indexes"); 645 Write_Line (" b check no blanks at end of lines"); 646 Write_Line (" B check no use of AND/OR for boolean expressions"); 647 Write_Line (" c check comment format (two spaces)"); 648 Write_Line (" C check comment format (one space)"); 649 Write_Line (" d check no DOS line terminators"); 650 Write_Line (" e check end/exit labels present"); 651 Write_Line (" f check no form feeds/vertical tabs in source"); 652 Write_Line (" g check standard GNAT style rules, same as ydISux"); 653 Write_Line (" h check no horizontal tabs in source"); 654 Write_Line (" i check if-then layout"); 655 Write_Line (" I check mode in"); 656 Write_Line (" k check casing rules for keywords"); 657 Write_Line (" l check reference manual layout"); 658 Write_Line (" Lnn check max nest level < nn "); 659 Write_Line (" m check line length <= 79 characters"); 660 Write_Line (" Mnn check line length <= nn characters"); 661 Write_Line (" n check casing of package Standard identifiers"); 662 Write_Line (" N turn off all checks"); 663 Write_Line (" o check subprogram bodies in alphabetical order"); 664 Write_Line (" O check overriding indicators"); 665 Write_Line (" p check pragma casing"); 666 Write_Line (" r check casing for identifier references"); 667 Write_Line (" s check separate subprogram specs present"); 668 Write_Line (" S check separate lines after THEN or ELSE"); 669 Write_Line (" t check token separation rules"); 670 Write_Line (" u check no unnecessary blank lines"); 671 Write_Line (" x check extra parentheses around conditionals"); 672 Write_Line (" y turn on default style checks"); 673 Write_Line (" - subtract (turn off) subsequent checks"); 674 Write_Line (" + add (turn on) subsequent checks"); 675 676 -- Lines for -gnatyN switch 677 678 Write_Switch_Char ("yN"); 679 Write_Line ("Cancel all previously set style checks"); 680 681 -- Lines for -gnatzc switch 682 683 Write_Switch_Char ("zc"); 684 Write_Line ("Distribution stub generation for caller stubs"); 685 686 -- Lines for -gnatzr switch 687 688 Write_Switch_Char ("zr"); 689 Write_Line ("Distribution stub generation for receiver stubs"); 690 691 if not Latest_Ada_Only then 692 693 -- Line for -gnat83 switch 694 695 Write_Switch_Char ("83"); 696 Write_Line ("Ada 83 mode"); 697 698 -- Line for -gnat95 switch 699 700 Write_Switch_Char ("95"); 701 702 if Ada_Version_Default = Ada_95 then 703 Write_Line ("Ada 95 mode (default)"); 704 else 705 Write_Line ("Ada 95 mode"); 706 end if; 707 708 -- Line for -gnat2005 switch 709 710 Write_Switch_Char ("2005"); 711 712 if Ada_Version_Default = Ada_2005 then 713 Write_Line ("Ada 2005 mode (default)"); 714 else 715 Write_Line ("Ada 2005 mode"); 716 end if; 717 end if; 718 719 -- Line for -gnat2012 switch 720 721 Write_Switch_Char ("2012"); 722 723 if Ada_Version_Default = Ada_2012 then 724 Write_Line ("Ada 2012 mode (default)"); 725 else 726 Write_Line ("Ada 2012 mode"); 727 end if; 728 729 -- Line for -gnat-p switch 730 731 Write_Switch_Char ("-p"); 732 Write_Line ("Cancel effect of previous -gnatp switch"); 733 734end Usage; 735