gdb/contrib/ari/gdb_ari.sh

   1 #!/bin/sh
   2
   3 # GDB script to list of problems using awk.
   4 #
   5 # Copyright (C) 2002-2013 Free Software Foundation, Inc.
   6 #
   7 # This file is part of GDB.
   8 #
   9 # This program is free software; you can redistribute it and/or modify
  10 # it under the terms of the GNU General Public License as published by
  11 # the Free Software Foundation; either version 3 of the License, or
  12 # (at your option) any later version.
  13 #
  14 # This program is distributed in the hope that it will be useful,
  15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 # GNU General Public License for more details.
  18 #
  19 # You should have received a copy of the GNU General Public License
  20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21
  22 # Make certain that the script is not running in an internationalized
  23 # environment.
  24
  25 LANG=C ; export LANG
  26 LC_ALL=C ; export LC_ALL
  27
  28 # Permanent checks take the form:
  29
  30 #     Do not use XXXX, ISO C 90 implies YYYY
  31 #     Do not use XXXX, instead use YYYY''.
  32
  33 # and should never be removed.
  34
  35 # Temporary checks take the form:
  36
  37 #     Replace XXXX with YYYY
  38
  39 # and once they reach zero, can be eliminated.
  40
  41 # FIXME: It should be able to override this on the command line
  42 error="regression"
  43 warning="regression"
  44 ari="regression eol code comment deprecated legacy obsolete gettext"
  45 all="regression eol code comment deprecated legacy obsolete gettext deprecate internal gdbarch macro"
  46 print_doc=0
  47 print_idx=0
  48
  49 usage ()
  50 {
  51     cat <<EOF 1>&2
  52 Error: $1
  53
  54 Usage:
  55     $0 --print-doc --print-idx -Wall -Werror -W<category> <file> ...
  56 Options:
  57   --print-doc    Print a list of all potential problems, then exit.
  58   --print-idx    Include the problems IDX (index or key) in every message.
  59   --src=file     Write source lines to file.
  60   -Werror        Treat all problems as errors.
  61   -Wall          Report all problems.
  62   -Wari          Report problems that should be fixed in new code.
  63   -W<category>   Report problems in the specifed category.  Vaid categories
  64                  are: ${all}
  65 EOF
  66     exit 1
  67 }
  68
  69
  70 # Parse the various options
  71 Woptions=
  72 srclines=""
  73 while test $# -gt 0
  74 do
  75     case "$1" in
  76     -Wall ) Woptions="${all}" ;;
  77     -Wari ) Woptions="${ari}" ;;
  78     -Werror ) Werror=1 ;;
  79     -W* ) Woptions="${Woptions} `echo x$1 | sed -e 's/x-W//'`" ;;
  80     --print-doc ) print_doc=1 ;;
  81     --print-idx ) print_idx=1 ;;
  82     --src=* ) srclines="`echo $1 | sed -e 's/--src=/srclines=\"/'`\"" ;;
  83     -- ) shift ; break ;;
  84     - ) break ;;
  85     -* ) usage "$1: unknown option" ;;
  86     * ) break ;;
  87     esac
  88     shift
  89 done
  90 if test -n "$Woptions" ; then
  91     warning="$Woptions"
  92     error=
  93 fi
  94
  95
  96 # -Werror implies treating all warnings as errors.
  97 if test -n "${Werror}" ; then
  98     error="${error} ${warning}"
  99 fi
 100
 101
 102 # Validate all errors and warnings.
 103 for w in ${warning} ${error}
 104 do
 105     case " ${all} " in
 106     *" ${w} "* ) ;;
 107     * ) usage "Unknown option -W${w}" ;;
 108     esac
 109 done
 110
 111
 112 # make certain that there is at least one file.
 113 if test $# -eq 0 -a ${print_doc} = 0
 114 then
 115     usage "Missing file."
 116 fi
 117
 118
 119 # Convert the errors/warnings into corresponding array entries.
 120 for a in ${all}
 121 do
 122     aris="${aris} ari_${a} = \"${a}\";"
 123 done
 124 for w in ${warning}
 125 do
 126     warnings="${warnings} warning[ari_${w}] = 1;"
 127 done
 128 for e in ${error}
 129 do
 130     errors="${errors} error[ari_${e}]  = 1;"
 131 done
 132
 133 if [ "$AWK" = "" ] ; then
 134   AWK=awk
 135 fi
 136
 137 ${AWK} -- '
 138 BEGIN {
 139     # NOTE, for a per-file begin use "FNR == 1".
 140     '"${aris}"'
 141     '"${errors}"'
 142     '"${warnings}"'
 143     '"${srclines}"'
 144     print_doc =  '$print_doc'
 145     print_idx =  '$print_idx'
 146     PWD = "'`pwd`'"
 147 }
 148
 149 # Print the error message for BUG.  Append SUPLEMENT if non-empty.
 150 function print_bug(file,line,prefix,category,bug,doc,supplement, suffix,idx) {
 151     if (print_idx) {
 152         idx = bug ": "
 153     } else {
 154         idx = ""
 155     }
 156     if (supplement) {
 157         suffix = " (" supplement ")"
 158     } else {
 159         suffix = ""
 160     }
 161     # ari.*.bug: <FILE>:<LINE>: <CATEGORY>: <BUG>: <DOC>
 162     print file ":" line ": " prefix category ": " idx doc suffix
 163     if (srclines != "") {
 164         print file ":" line ":" $0 >> srclines
 165     }
 166 }
 167
 168 function fix(bug,file,count) {
 169     skip[bug, file] = count
 170     skipped[bug, file] = 0
 171 }
 172
 173 function fail(bug,supplement) {
 174     if (doc[bug] == "") {
 175         print_bug("", 0, "internal: ", "internal", "internal", "Missing doc for bug " bug)
 176         exit
 177     }
 178     if (category[bug] == "") {
 179         print_bug("", 0, "internal: ", "internal", "internal", "Missing category for bug " bug)
 180         exit
 181     }
 182
 183     if (ARI_OK == bug) {
 184         return
 185     }
 186     # Trim the filename down to just DIRECTORY/FILE so that it can be
 187     # robustly used by the FIX code.
 188
 189     if (FILENAME ~ /^\//) {
 190         canonicalname = FILENAME
 191     } else {
 192         canonicalname = PWD "/" FILENAME
 193     }
 194     shortname = gensub (/^.*\/([^\\]*\/[^\\]*)$/, "\\1", 1, canonicalname)
 195
 196     skipped[bug, shortname]++
 197     if (skip[bug, shortname] >= skipped[bug, shortname]) {
 198         # print FILENAME, FNR, skip[bug, FILENAME], skipped[bug, FILENAME], bug
 199         # Do nothing
 200     } else if (error[category[bug]]) {
 201         # ari.*.bug: <FILE>:<LINE>: <CATEGORY>: <BUG>: <DOC>
 202         print_bug(FILENAME, FNR, "", category[bug], bug, doc[bug], supplement)
 203     } else if (warning[category[bug]]) {
 204         # ari.*.bug: <FILE>:<LINE>: <CATEGORY>: <BUG>: <DOC>
 205         print_bug(FILENAME, FNR, "warning: ", category[bug], bug, doc[bug], supplement)
 206     }
 207 }
 208
 209 FNR == 1 {
 210     seen[FILENAME] = 1
 211     if (match(FILENAME, "\\.[ly]$")) {
 212       # FILENAME is a lex or yacc source
 213       is_yacc_or_lex = 1
 214     }
 215     else {
 216       is_yacc_or_lex = 0
 217     }
 218 }
 219 END {
 220     if (print_idx) {
 221         idx = bug ": "
 222     } else {
 223         idx = ""
 224     }
 225     # Did we do only a partial skip?
 226     for (bug_n_file in skip) {
 227         split (bug_n_file, a, SUBSEP)
 228         bug = a[1]
 229         file = a[2]
 230         if (seen[file] && (skipped[bug_n_file] < skip[bug_n_file])) {
 231             # ari.*.bug: <FILE>:<LINE>: <CATEGORY>: <BUG>: <DOC>
 232             b = file " missing " bug
 233             print_bug(file, 0, "", "internal", file " missing " bug, "Expecting " skip[bug_n_file] " occurances of bug " bug " in file " file ", only found " skipped[bug_n_file])
 234         }
 235     }
 236 }
 237
 238
 239 # Skip OBSOLETE lines
 240 /(^|[^_[:alnum:]])OBSOLETE([^_[:alnum:]]|$)/ { next; }
 241
 242 # Skip ARI lines
 243
 244 BEGIN {
 245     ARI_OK = ""
 246 }
 247
 248 /\/\* ARI:[[:space:]]*(.*)[[:space:]]*\*\// {
 249     ARI_OK = gensub(/^.*\/\* ARI:[[:space:]]*(.*[^[:space:]])[[:space:]]*\*\/.*$/, "\\1", 1, $0)
 250     # print "ARI line found \"" $0 "\""
 251     # print "ARI_OK \"" ARI_OK "\""
 252 }
 253 ! /\/\* ARI:[[:space:]]*(.*)[[:space:]]*\*\// {
 254     ARI_OK = ""
 255 }
 256
 257
 258 # Things in comments
 259
 260 BEGIN { doc["ARGSUSED"] = "\
 261 Do not use ARGSUSED, unnecessary"
 262     category["ARGSUSED"] = ari_regression
 263 }
 264 /(^|[^_[:alnum:]])ARGSUSED([^_[:alnum:]]|$)/ {
 265     fail("ARGSUSED")
 266 }
 267
 268
 269 # SNIP - Strip out comments - SNIP
 270
 271 FNR == 1 {
 272     comment_p = 0
 273 }
 274 comment_p && /\*\// { gsub (/^([^\*]|\*+[^\/\*])*\*+\//, " "); comment_p = 0; }
 275 comment_p { next; }
 276 !comment_p { gsub (/\/\*([^\*]|\*+[^\/\*])*\*+\//, " "); }
 277 !comment_p && /(^|[^"])\/\*/ { gsub (/\/\*.*$/, " "); comment_p = 1; }
 278
 279
 280 BEGIN { doc["_ markup"] = "\
 281 All messages should be marked up with _."
 282     category["_ markup"] = ari_gettext
 283 }
 284 /^[^"]*[[:space:]](warning|error|error_no_arg|query|perror_with_name)[[:space:]]*\([^_\(a-z]/ {
 285     if (! /\("%s"/) {
 286         fail("_ markup")
 287     }
 288 }
 289
 290 BEGIN { doc["trailing new line"] = "\
 291 A message should not have a trailing new line"
 292     category["trailing new line"] = ari_gettext
 293 }
 294 /(^|[^_[:alnum:]])(warning|error)[[:space:]]*\(_\(".*\\n"\)[\),]/ {
 295     fail("trailing new line")
 296 }
 297
 298 # Include files for which GDB has a custom version.
 299
 300 BEGIN { doc["assert.h"] = "\
 301 Do not include assert.h, instead include \"gdb_assert.h\"";
 302     category["assert.h"] = ari_regression
 303     fix("assert.h", "gdb/gdb_assert.h", 0) # it does not use it
 304 }
 305 /^#[[:space:]]*include[[:space:]]+.assert\.h./ {
 306     fail("assert.h")
 307 }
 308
 309 BEGIN { doc["dirent.h"] = "\
 310 Do not include dirent.h, instead include gdb_dirent.h"
 311     category["dirent.h"] = ari_regression
 312 }
 313 /^#[[:space:]]*include[[:space:]]*.dirent\.h./ {
 314     fail("dirent.h")
 315 }
 316
 317 BEGIN { doc["regex.h"] = "\
 318 Do not include regex.h, instead include gdb_regex.h"
 319     category["regex.h"] = ari_regression
 320     fix("regex.h", "gdb/gdb_regex.h", 1)
 321 }
 322 /^#[[:space:]]*include[[:space:]]*.regex\.h./ {
 323     fail("regex.h")
 324 }
 325
 326 BEGIN { doc["xregex.h"] = "\
 327 Do not include xregex.h, instead include gdb_regex.h"
 328     category["xregex.h"] = ari_regression
 329     fix("xregex.h", "gdb/gdb_regex.h", 1)
 330 }
 331 /^#[[:space:]]*include[[:space:]]*.xregex\.h./ {
 332     fail("xregex.h")
 333 }
 334
 335 BEGIN { doc["gnu-regex.h"] = "\
 336 Do not include gnu-regex.h, instead include gdb_regex.h"
 337     category["gnu-regex.h"] = ari_regression
 338 }
 339 /^#[[:space:]]*include[[:space:]]*.gnu-regex\.h./ {
 340     fail("gnu regex.h")
 341 }
 342
 343 BEGIN { doc["stat.h"] = "\
 344 Do not include stat.h or sys/stat.h, instead include gdb_stat.h"
 345     category["stat.h"] = ari_regression
 346     fix("stat.h", "common/gdb_stat.h", 1)
 347 }
 348 /^#[[:space:]]*include[[:space:]]*.stat\.h./ \
 349 || /^#[[:space:]]*include[[:space:]]*.sys\/stat\.h./ {
 350     fail("stat.h")
 351 }
 352
 353 BEGIN { doc["wait.h"] = "\
 354 Do not include wait.h or sys/wait.h, instead include gdb_wait.h"
 355     fix("wait.h", "common/gdb_wait.h", 2);
 356     category["wait.h"] = ari_regression
 357 }
 358 /^#[[:space:]]*include[[:space:]]*.wait\.h./ \
 359 || /^#[[:space:]]*include[[:space:]]*.sys\/wait\.h./ {
 360     fail("wait.h")
 361 }
 362
 363 BEGIN { doc["vfork.h"] = "\
 364 Do not include vfork.h, instead include gdb_vfork.h"
 365     fix("vfork.h", "gdb/gdb_vfork.h", 1);
 366     category["vfork.h"] = ari_regression
 367 }
 368 /^#[[:space:]]*include[[:space:]]*.vfork\.h./ {
 369     fail("vfork.h")
 370 }
 371
 372 BEGIN { doc["error not internal-warning"] = "\
 373 Do not use error(\"internal-warning\"), instead use internal_warning"
 374     category["error not internal-warning"] = ari_regression
 375 }
 376 /error.*\"[Ii]nternal.warning/ {
 377     fail("error not internal-warning")
 378 }
 379
 380 BEGIN { doc["%p"] = "\
 381 Do not use printf(\"%p\"), instead use printf(\"%s\",paddr()) to dump a \
 382 target address, or host_address_to_string() for a host address"
 383     category["%p"] = ari_code
 384 }
 385 /%p/ && !/%prec/ {
 386     fail("%p")
 387 }
 388
 389 BEGIN { doc["%ll"] = "\
 390 Do not use printf(\"%ll\"), instead use printf(\"%s\",phex()) to dump a \
 391 `long long'\'' value"
 392     category["%ll"] = ari_code
 393 }
 394 # Allow %ll in scanf
 395 /%[0-9]*ll/ && !/scanf \(.*%[0-9]*ll/ {
 396     fail("%ll")
 397 }
 398
 399
 400 # SNIP - Strip out strings - SNIP
 401
 402 # Test on top.c, scm-valprint.c, remote-rdi.c, ada-lang.c
 403 FNR == 1 {
 404     string_p = 0
 405     trace_string = 0
 406 }
 407 # Strip escaped characters.
 408 { gsub(/\\./, "."); }
 409 # Strip quoted quotes.
 410 { gsub(/'\''.'\''/, "'\''.'\''"); }
 411 # End of multi-line string
 412 string_p && /\"/ {
 413     if (trace_string) print "EOS:" FNR, $0;
 414     gsub (/^[^\"]*\"/, "'\''");
 415     string_p = 0;
 416 }
 417 # Middle of multi-line string, discard line.
 418 string_p {
 419     if (trace_string) print "MOS:" FNR, $0;
 420     $0 = ""
 421 }
 422 # Strip complete strings from the middle of the line
 423 !string_p && /\"[^\"]*\"/ {
 424     if (trace_string) print "COS:" FNR, $0;
 425     gsub (/\"[^\"]*\"/, "'\''");
 426 }
 427 # Start of multi-line string
 428 BEGIN { doc["multi-line string"] = "\
 429 Multi-line string must have the newline escaped"
 430     category["multi-line string"] = ari_regression
 431 }
 432 !string_p && /\"/ {
 433     if (trace_string) print "SOS:" FNR, $0;
 434     if (/[^\\]$/) {
 435         fail("multi-line string")
 436     }
 437     gsub (/\"[^\"]*$/, "'\''");
 438     string_p = 1;
 439 }
 440 # { print }
 441
 442 # Multi-line string
 443 string_p &&
 444
 445 # Accumulate continuation lines
 446 FNR == 1 {
 447     cont_p = 0
 448 }
 449 !cont_p { full_line = ""; }
 450 /[^\\]\\$/ { gsub (/\\$/, ""); full_line = full_line $0; cont_p = 1; next; }
 451 cont_p { $0 = full_line $0; cont_p = 0; full_line = ""; }
 452
 453
 454 # GDB uses ISO C 90.  Check for any non pure ISO C 90 code
 455
 456 BEGIN { doc["PARAMS"] = "\
 457 Do not use PARAMS(), ISO C 90 implies prototypes"
 458     category["PARAMS"] = ari_regression
 459 }
 460 /(^|[^_[:alnum:]])PARAMS([^_[:alnum:]]|$)/ {
 461     fail("PARAMS")
 462 }
 463
 464 BEGIN { doc["__func__"] = "\
 465 Do not use __func__, ISO C 90 does not support this macro"
 466     category["__func__"] = ari_regression
 467     fix("__func__", "common/gdb_assert.h", 1)
 468 }
 469 /(^|[^_[:alnum:]])__func__([^_[:alnum:]]|$)/ {
 470     fail("__func__")
 471 }
 472
 473 BEGIN { doc["__FUNCTION__"] = "\
 474 Do not use __FUNCTION__, ISO C 90 does not support this macro"
 475     category["__FUNCTION__"] = ari_regression
 476 }
 477 /(^|[^_[:alnum:]])__FUNCTION__([^_[:alnum:]]|$)/ {
 478     fail("__FUNCTION__")
 479 }
 480
 481 BEGIN { doc["__CYGWIN32__"] = "\
 482 Do not use __CYGWIN32__, instead use __CYGWIN__ or, better, an explicit \
 483 autoconf tests"
 484     category["__CYGWIN32__"] = ari_regression
 485 }
 486 /(^|[^_[:alnum:]])__CYGWIN32__([^_[:alnum:]]|$)/ {
 487     fail("__CYGWIN32__")
 488 }
 489
 490 BEGIN { doc["PTR"] = "\
 491 Do not use PTR, ISO C 90 implies `void *'\''"
 492     category["PTR"] = ari_regression
 493     #fix("PTR", "gdb/utils.c", 6)
 494 }
 495 /(^|[^_[:alnum:]])PTR([^_[:alnum:]]|$)/ {
 496     fail("PTR")
 497 }
 498
 499 BEGIN { doc["UCASE function"] = "\
 500 Function name is uppercase."
 501     category["UCASE function"] = ari_code
 502     possible_UCASE = 0
 503     UCASE_full_line = ""
 504 }
 505 (possible_UCASE) {
 506     if (ARI_OK == "UCASE function") {
 507         possible_UCASE = 0
 508     }
 509     # Closing brace found?
 510     else if (UCASE_full_line ~ \
 511         /^[A-Z][[:alnum:]_]*[[:space:]]*\([^()]*\).*$/) {
 512         if ((UCASE_full_line ~ \
 513             /^[A-Z][[:alnum:]_]*[[:space:]]*\([^()]*\)[[:space:]]*$/) \
 514             && ($0 ~ /^\{/) && (is_yacc_or_lex == 0)) {
 515             store_FNR = FNR
 516             FNR = possible_FNR
 517             store_0 = $0;
 518             $0 = UCASE_full_line;
 519             fail("UCASE function")
 520             FNR = store_FNR
 521             $0 = store_0;
 522         }
 523         possible_UCASE = 0
 524         UCASE_full_line = ""
 525     } else {
 526         UCASE_full_line = UCASE_full_line $0;
 527     }
 528 }
 529 /^[A-Z][[:alnum:]_]*[[:space:]]*\([^()]*(|\))[[:space:]]*$/ {
 530     possible_UCASE = 1
 531     if (ARI_OK == "UCASE function") {
 532         possible_UCASE = 0
 533     }
 534     possible_FNR = FNR
 535     UCASE_full_line = $0
 536 }
 537
 538
 539 BEGIN { doc["editCase function"] = "\
 540 Function name starts lower case but has uppercased letters."
 541     category["editCase function"] = ari_code
 542     possible_editCase = 0
 543     editCase_full_line = ""
 544 }
 545 (possible_editCase) {
 546     if (ARI_OK == "ediCase function") {
 547         possible_editCase = 0
 548     }
 549     # Closing brace found?
 550     else if (editCase_full_line ~ \
 551 /^[a-z][a-z0-9_]*[A-Z][a-z0-9A-Z_]*[[:space:]]*\([^()]*\).*$/) {
 552         if ((editCase_full_line ~ \
 553 /^[a-z][a-z0-9_]*[A-Z][a-z0-9A-Z_]*[[:space:]]*\([^()]*\)[[:space:]]*$/) \
 554             && ($0 ~ /^\{/) && (is_yacc_or_lex == 0)) {
 555             store_FNR = FNR
 556             FNR = possible_FNR
 557             store_0 = $0;
 558             $0 = editCase_full_line;
 559             fail("editCase function")
 560             FNR = store_FNR
 561             $0 = store_0;
 562         }
 563         possible_editCase = 0
 564         editCase_full_line = ""
 565     } else {
 566         editCase_full_line = editCase_full_line $0;
 567     }
 568 }
 569 /^[a-z][a-z0-9_]*[A-Z][a-z0-9A-Z_]*[[:space:]]*\([^()]*(|\))[[:space:]]*$/ {
 570     possible_editCase = 1
 571     if (ARI_OK == "editCase function") {
 572         possible_editCase = 0
 573     }
 574     possible_FNR = FNR
 575     editCase_full_line = $0
 576 }
 577
 578 # Only function implementation should be on first column
 579 BEGIN { doc["function call in first column"] = "\
 580 Function name in first column should be restricted to function implementation"
 581     category["function call in first column"] = ari_code
 582 }
 583 /^[a-z][a-z0-9_]*[[:space:]]*\((|[^*][^()]*)\)[[:space:]]*[^ \t]+/ {
 584     fail("function call in first column")
 585 }
 586
 587
 588 # Functions without any parameter should have (void)
 589 # after their name not simply ().
 590 BEGIN { doc["no parameter function"] = "\
 591 Function having no parameter should be declared with funcname (void)."
 592     category["no parameter function"] = ari_code
 593 }
 594 /^[a-zA-Z][a-z0-9A-Z_]*[[:space:]]*\(\)/ {
 595     fail("no parameter function")
 596 }
 597
 598 BEGIN { doc["hash"] = "\
 599 Do not use ` #...'\'', instead use `#...'\''(some compilers only correctly \
 600 parse a C preprocessor directive when `#'\'' is the first character on \
 601 the line)"
 602     category["hash"] = ari_regression
 603 }
 604 /^[[:space:]]+#/ {
 605     fail("hash")
 606 }
 607
 608 BEGIN { doc["OP eol"] = "\
 609 Do not use &&, or || at the end of a line"
 610     category["OP eol"] = ari_code
 611 }
 612 /(\|\||\&\&|==|!=)[[:space:]]*$/ {
 613     fail("OP eol")
 614 }
 615
 616 BEGIN { doc["strerror"] = "\
 617 Do not use strerror(), instead use safe_strerror()"
 618     category["strerror"] = ari_regression
 619     fix("strerror", "gdb/gdb_string.h", 1)
 620     fix("strerror", "gdb/mingw-hdep.c", 1)
 621     fix("strerror", "gdb/posix-hdep.c", 1)
 622 }
 623 /(^|[^_[:alnum:]])strerror[[:space:]]*\(/ {
 624     fail("strerror")
 625 }
 626
 627 BEGIN { doc["long long"] = "\
 628 Do not use `long long'\'', instead use LONGEST"
 629     category["long long"] = ari_code
 630     # defs.h needs two such patterns for LONGEST and ULONGEST definitions
 631     fix("long long", "gdb/defs.h", 2)
 632 }
 633 /(^|[^_[:alnum:]])long[[:space:]]+long([^_[:alnum:]]|$)/ {
 634     fail("long long")
 635 }
 636
 637 BEGIN { doc["ATTRIBUTE_UNUSED"] = "\
 638 Do not use ATTRIBUTE_UNUSED, do not bother (GDB is compiled with -Werror and, \
 639 consequently, is not able to tolerate false warnings.  Since -Wunused-param \
 640 produces such warnings, neither that warning flag nor ATTRIBUTE_UNUSED \
 641 are used by GDB"
 642     category["ATTRIBUTE_UNUSED"] = ari_regression
 643 }
 644 /(^|[^_[:alnum:]])ATTRIBUTE_UNUSED([^_[:alnum:]]|$)/ {
 645     fail("ATTRIBUTE_UNUSED")
 646 }
 647
 648 BEGIN { doc["ATTR_FORMAT"] = "\
 649 Do not use ATTR_FORMAT, use ATTRIBUTE_PRINTF instead"
 650     category["ATTR_FORMAT"] = ari_regression
 651 }
 652 /(^|[^_[:alnum:]])ATTR_FORMAT([^_[:alnum:]]|$)/ {
 653     fail("ATTR_FORMAT")
 654 }
 655
 656 BEGIN { doc["ATTR_NORETURN"] = "\
 657 Do not use ATTR_NORETURN, use ATTRIBUTE_NORETURN instead"
 658     category["ATTR_NORETURN"] = ari_regression
 659 }
 660 /(^|[^_[:alnum:]])ATTR_NORETURN([^_[:alnum:]]|$)/ {
 661     fail("ATTR_NORETURN")
 662 }
 663
 664 BEGIN { doc["NORETURN"] = "\
 665 Do not use NORETURN, use ATTRIBUTE_NORETURN instead"
 666     category["NORETURN"] = ari_regression
 667 }
 668 /(^|[^_[:alnum:]])NORETURN([^_[:alnum:]]|$)/ {
 669     fail("NORETURN")
 670 }
 671
 672
 673 # General problems
 674
 675 BEGIN { doc["multiple messages"] = "\
 676 Do not use multiple calls to warning or error, instead use a single call"
 677     category["multiple messages"] = ari_gettext
 678 }
 679 FNR == 1 {
 680     warning_fnr = -1
 681 }
 682 /(^|[^_[:alnum:]])(warning|error)[[:space:]]*\(/ {
 683     if (FNR == warning_fnr + 1) {
 684         fail("multiple messages")
 685     } else {
 686         warning_fnr = FNR
 687     }
 688 }
 689
 690 # Commented out, but left inside sources, just in case.
 691 # BEGIN { doc["inline"] = "\
 692 # Do not use the inline attribute; \
 693 # since the compiler generally ignores this, better algorithm selection \
 694 # is needed to improved performance"
 695 #    category["inline"] = ari_code
 696 # }
 697 # /(^|[^_[:alnum:]])inline([^_[:alnum:]]|$)/ {
 698 #     fail("inline")
 699 # }
 700
 701 # This test is obsolete as this type
 702 # has been deprecated and finally suppressed from GDB sources
 703 #BEGIN { doc["obj_private"] = "\
 704 #Replace obj_private with objfile_data"
 705 #    category["obj_private"] = ari_obsolete
 706 #}
 707 #/(^|[^_[:alnum:]])obj_private([^_[:alnum:]]|$)/ {
 708 #    fail("obj_private")
 709 #}
 710
 711 BEGIN { doc["abort"] = "\
 712 Do not use abort, instead use internal_error; GDB should never abort"
 713     category["abort"] = ari_regression
 714     fix("abort", "gdb/utils.c", 3)
 715 }
 716 /(^|[^_[:alnum:]])abort[[:space:]]*\(/ {
 717     fail("abort")
 718 }
 719
 720 BEGIN { doc["basename"] = "\
 721 Do not use basename, instead use lbasename"
 722     category["basename"] = ari_regression
 723 }
 724 /(^|[^_[:alnum:]])basename[[:space:]]*\(/ {
 725     fail("basename")
 726 }
 727
 728 BEGIN { doc["assert"] = "\
 729 Do not use assert, instead use gdb_assert or internal_error; assert \
 730 calls abort and GDB should never call abort"
 731     category["assert"] = ari_regression
 732 }
 733 /(^|[^_[:alnum:]])assert[[:space:]]*\(/ {
 734     fail("assert")
 735 }
 736
 737 BEGIN { doc["TARGET_HAS_HARDWARE_WATCHPOINTS"] = "\
 738 Replace TARGET_HAS_HARDWARE_WATCHPOINTS with nothing, not needed"
 739     category["TARGET_HAS_HARDWARE_WATCHPOINTS"] = ari_regression
 740 }
 741 /(^|[^_[:alnum:]])TARGET_HAS_HARDWARE_WATCHPOINTS([^_[:alnum:]]|$)/ {
 742     fail("TARGET_HAS_HARDWARE_WATCHPOINTS")
 743 }
 744
 745 BEGIN { doc["ADD_SHARED_SYMBOL_FILES"] = "\
 746 Replace ADD_SHARED_SYMBOL_FILES with nothing, not needed?"
 747     category["ADD_SHARED_SYMBOL_FILES"] = ari_regression
 748 }
 749 /(^|[^_[:alnum:]])ADD_SHARED_SYMBOL_FILES([^_[:alnum:]]|$)/ {
 750     fail("ADD_SHARED_SYMBOL_FILES")
 751 }
 752
 753 BEGIN { doc["SOLIB_ADD"] = "\
 754 Replace SOLIB_ADD with nothing, not needed?"
 755     category["SOLIB_ADD"] = ari_deprecate
 756 }
 757 /(^|[^_[:alnum:]])SOLIB_ADD([^_[:alnum:]]|$)/ {
 758     fail("SOLIB_ADD")
 759 }
 760
 761 BEGIN { doc["SOLIB_CREATE_INFERIOR_HOOK"] = "\
 762 Replace SOLIB_CREATE_INFERIOR_HOOK with nothing, not needed?"
 763     category["SOLIB_CREATE_INFERIOR_HOOK"] = ari_deprecate
 764 }
 765 /(^|[^_[:alnum:]])SOLIB_CREATE_INFERIOR_HOOK([^_[:alnum:]]|$)/ {
 766     fail("SOLIB_CREATE_INFERIOR_HOOK")
 767 }
 768
 769 BEGIN { doc["SOLIB_LOADED_LIBRARY_PATHNAME"] = "\
 770 Replace SOLIB_LOADED_LIBRARY_PATHNAME with nothing, not needed?"
 771     category["SOLIB_LOADED_LIBRARY_PATHNAME"] = ari_regression
 772 }
 773 /(^|[^_[:alnum:]])SOLIB_LOADED_LIBRARY_PATHNAME([^_[:alnum:]]|$)/ {
 774     fail("SOLIB_LOADED_LIBRARY_PATHNAME")
 775 }
 776
 777 BEGIN { doc["REGISTER_U_ADDR"] = "\
 778 Replace REGISTER_U_ADDR with nothing, not needed?"
 779     category["REGISTER_U_ADDR"] = ari_regression
 780 }
 781 /(^|[^_[:alnum:]])REGISTER_U_ADDR([^_[:alnum:]]|$)/ {
 782     fail("REGISTER_U_ADDR")
 783 }
 784
 785 BEGIN { doc["PROCESS_LINENUMBER_HOOK"] = "\
 786 Replace PROCESS_LINENUMBER_HOOK with nothing, not needed?"
 787     category["PROCESS_LINENUMBER_HOOK"] = ari_regression
 788 }
 789 /(^|[^_[:alnum:]])PROCESS_LINENUMBER_HOOK([^_[:alnum:]]|$)/ {
 790     fail("PROCESS_LINENUMBER_HOOK")
 791 }
 792
 793 BEGIN { doc["PC_SOLIB"] = "\
 794 Replace PC_SOLIB with nothing, not needed?"
 795     category["PC_SOLIB"] = ari_deprecate
 796 }
 797 /(^|[^_[:alnum:]])PC_SOLIB([^_[:alnum:]]|$)/ {
 798     fail("PC_SOLIB")
 799 }
 800
 801 BEGIN { doc["IN_SOLIB_DYNSYM_RESOLVE_CODE"] = "\
 802 Replace IN_SOLIB_DYNSYM_RESOLVE_CODE with nothing, not needed?"
 803     category["IN_SOLIB_DYNSYM_RESOLVE_CODE"] = ari_regression
 804 }
 805 /(^|[^_[:alnum:]])IN_SOLIB_DYNSYM_RESOLVE_CODE([^_[:alnum:]]|$)/ {
 806     fail("IN_SOLIB_DYNSYM_RESOLVE_CODE")
 807 }
 808
 809 BEGIN { doc["GCC_COMPILED_FLAG_SYMBOL"] = "\
 810 Replace GCC_COMPILED_FLAG_SYMBOL with nothing, not needed?"
 811     category["GCC_COMPILED_FLAG_SYMBOL"] = ari_deprecate
 812 }
 813 /(^|[^_[:alnum:]])GCC_COMPILED_FLAG_SYMBOL([^_[:alnum:]]|$)/ {
 814     fail("GCC_COMPILED_FLAG_SYMBOL")
 815 }
 816
 817 BEGIN { doc["GCC2_COMPILED_FLAG_SYMBOL"] = "\
 818 Replace GCC2_COMPILED_FLAG_SYMBOL with nothing, not needed?"
 819     category["GCC2_COMPILED_FLAG_SYMBOL"] = ari_deprecate
 820 }
 821 /(^|[^_[:alnum:]])GCC2_COMPILED_FLAG_SYMBOL([^_[:alnum:]]|$)/ {
 822     fail("GCC2_COMPILED_FLAG_SYMBOL")
 823 }
 824
 825 BEGIN { doc["FUNCTION_EPILOGUE_SIZE"] = "\
 826 Replace FUNCTION_EPILOGUE_SIZE with nothing, not needed?"
 827     category["FUNCTION_EPILOGUE_SIZE"] = ari_regression
 828 }
 829 /(^|[^_[:alnum:]])FUNCTION_EPILOGUE_SIZE([^_[:alnum:]]|$)/ {
 830     fail("FUNCTION_EPILOGUE_SIZE")
 831 }
 832
 833 BEGIN { doc["HAVE_VFORK"] = "\
 834 Do not use HAVE_VFORK, instead include \"gdb_vfork.h\" and call vfork() \
 835 unconditionally"
 836     category["HAVE_VFORK"] = ari_regression
 837 }
 838 /(^|[^_[:alnum:]])HAVE_VFORK([^_[:alnum:]]|$)/ {
 839     fail("HAVE_VFORK")
 840 }
 841
 842 BEGIN { doc["bcmp"] = "\
 843 Do not use bcmp(), ISO C 90 implies memcmp()"
 844     category["bcmp"] = ari_regression
 845 }
 846 /(^|[^_[:alnum:]])bcmp[[:space:]]*\(/ {
 847     fail("bcmp")
 848 }
 849
 850 BEGIN { doc["setlinebuf"] = "\
 851 Do not use setlinebuf(), ISO C 90 implies setvbuf()"
 852     category["setlinebuf"] = ari_regression
 853 }
 854 /(^|[^_[:alnum:]])setlinebuf[[:space:]]*\(/ {
 855     fail("setlinebuf")
 856 }
 857
 858 BEGIN { doc["bcopy"] = "\
 859 Do not use bcopy(), ISO C 90 implies memcpy() and memmove()"
 860     category["bcopy"] = ari_regression
 861 }
 862 /(^|[^_[:alnum:]])bcopy[[:space:]]*\(/ {
 863     fail("bcopy")
 864 }
 865
 866 BEGIN { doc["get_frame_base"] = "\
 867 Replace get_frame_base with get_frame_id, get_frame_base_address, \
 868 get_frame_locals_address, or get_frame_args_address."
 869     category["get_frame_base"] = ari_obsolete
 870 }
 871 /(^|[^_[:alnum:]])get_frame_base([^_[:alnum:]]|$)/ {
 872     fail("get_frame_base")
 873 }
 874
 875 BEGIN { doc["floatformat_to_double"] = "\
 876 Do not use floatformat_to_double() from libierty, \
 877 instead use floatformat_to_doublest()"
 878     fix("floatformat_to_double", "gdb/doublest.c", 1)
 879     category["floatformat_to_double"] = ari_regression
 880 }
 881 /(^|[^_[:alnum:]])floatformat_to_double[[:space:]]*\(/ {
 882     fail("floatformat_to_double")
 883 }
 884
 885 BEGIN { doc["floatformat_from_double"] = "\
 886 Do not use floatformat_from_double() from libierty, \
 887 instead use floatformat_from_doublest()"
 888     category["floatformat_from_double"] = ari_regression
 889 }
 890 /(^|[^_[:alnum:]])floatformat_from_double[[:space:]]*\(/ {
 891     fail("floatformat_from_double")
 892 }
 893
 894 BEGIN { doc["BIG_ENDIAN"] = "\
 895 Do not use BIG_ENDIAN, instead use BFD_ENDIAN_BIG"
 896     category["BIG_ENDIAN"] = ari_regression
 897 }
 898 /(^|[^_[:alnum:]])BIG_ENDIAN([^_[:alnum:]]|$)/ {
 899     fail("BIG_ENDIAN")
 900 }
 901
 902 BEGIN { doc["LITTLE_ENDIAN"] = "\
 903 Do not use LITTLE_ENDIAN, instead use BFD_ENDIAN_LITTLE";
 904     category["LITTLE_ENDIAN"] = ari_regression
 905 }
 906 /(^|[^_[:alnum:]])LITTLE_ENDIAN([^_[:alnum:]]|$)/ {
 907     fail("LITTLE_ENDIAN")
 908 }
 909
 910 BEGIN { doc["BIG_ENDIAN"] = "\
 911 Do not use BIG_ENDIAN, instead use BFD_ENDIAN_BIG"
 912     category["BIG_ENDIAN"] = ari_regression
 913 }
 914 /(^|[^_[:alnum:]])BIG_ENDIAN([^_[:alnum:]]|$)/ {
 915     fail("BIG_ENDIAN")
 916 }
 917
 918 BEGIN { doc["sec_ptr"] = "\
 919 Instead of sec_ptr, use struct bfd_section";
 920     category["sec_ptr"] = ari_regression
 921 }
 922 /(^|[^_[:alnum:]])sec_ptr([^_[:alnum:]]|$)/ {
 923     fail("sec_ptr")
 924 }
 925
 926 BEGIN { doc["frame_unwind_unsigned_register"] = "\
 927 Replace frame_unwind_unsigned_register with frame_unwind_register_unsigned"
 928     category["frame_unwind_unsigned_register"] = ari_regression
 929 }
 930 /(^|[^_[:alnum:]])frame_unwind_unsigned_register([^_[:alnum:]]|$)/ {
 931     fail("frame_unwind_unsigned_register")
 932 }
 933
 934 BEGIN { doc["frame_register_read"] = "\
 935 Replace frame_register_read() with get_frame_register(), or \
 936 possibly introduce a new method safe_get_frame_register()"
 937     category["frame_register_read"] = ari_obsolete
 938 }
 939 /(^|[^_[:alnum:]])frame_register_read([^_[:alnum:]]|$)/ {
 940     fail("frame_register_read")
 941 }
 942
 943 BEGIN { doc["read_register"] = "\
 944 Replace read_register() with regcache_read() et.al."
 945     category["read_register"] = ari_regression
 946 }
 947 /(^|[^_[:alnum:]])read_register([^_[:alnum:]]|$)/ {
 948     fail("read_register")
 949 }
 950
 951 BEGIN { doc["write_register"] = "\
 952 Replace write_register() with regcache_read() et.al."
 953     category["write_register"] = ari_regression
 954 }
 955 /(^|[^_[:alnum:]])write_register([^_[:alnum:]]|$)/ {
 956     fail("write_register")
 957 }
 958
 959 function report(name) {
 960     # Drop any trailing _P.
 961     name = gensub(/(_P|_p)$/, "", 1, name)
 962     # Convert to lower case
 963     name = tolower(name)
 964     # Split into category and bug
 965     cat = gensub(/^([[:alpha:]]+)_([_[:alnum:]]*)$/, "\\1", 1, name)
 966     bug = gensub(/^([[:alpha:]]+)_([_[:alnum:]]*)$/, "\\2", 1, name)
 967     # Report it
 968     name = cat " " bug
 969     doc[name] = "Do not use " cat " " bug ", see declaration for details"
 970     category[name] = cat
 971     fail(name)
 972 }
 973
 974 /(^|[^_[:alnum:]])(DEPRECATED|deprecated|set_gdbarch_deprecated|LEGACY|legacy|set_gdbarch_legacy)_/ {
 975     line = $0
 976     # print "0 =", $0
 977     while (1) {
 978         name = gensub(/^(|.*[^_[:alnum:]])((DEPRECATED|deprecated|LEGACY|legacy)_[_[:alnum:]]*)(.*)$/, "\\2", 1, line)
 979         line = gensub(/^(|.*[^_[:alnum:]])((DEPRECATED|deprecated|LEGACY|legacy)_[_[:alnum:]]*)(.*)$/, "\\1 \\4", 1, line)
 980         # print "name =", name, "line =", line
 981         if (name == line) break;
 982         report(name)
 983     }
 984 }
 985
 986 # Count the number of times each architecture method is set
 987 /(^|[^_[:alnum:]])set_gdbarch_[_[:alnum:]]*([^_[:alnum:]]|$)/ {
 988     name = gensub(/^.*set_gdbarch_([_[:alnum:]]*).*$/, "\\1", 1, $0)
 989     doc["set " name] = "\
 990 Call to set_gdbarch_" name
 991     category["set " name] = ari_gdbarch
 992     fail("set " name)
 993 }
 994
 995 # Count the number of times each tm/xm/nm macro is defined or undefined
 996 /^#[[:space:]]*(undef|define)[[:space:]]+[[:alnum:]_]+.*$/ \
 997 && !/^#[[:space:]]*(undef|define)[[:space:]]+[[:alnum:]_]+_H($|[[:space:]])/ \
 998 && FILENAME ~ /(^|\/)config\/(|[^\/]*\/)(tm-|xm-|nm-).*\.h$/ {
 999     basename = gensub(/(^|.*\/)([^\/]*)$/, "\\2", 1, FILENAME)
1000     type = gensub(/^(tm|xm|nm)-.*\.h$/, "\\1", 1, basename)
1001     name = gensub(/^#[[:space:]]*(undef|define)[[:space:]]+([[:alnum:]_]+).*$/, "\\2", 1, $0)
1002     if (type == basename) {
1003         type = "macro"
1004     }
1005     doc[type " " name] = "\
1006 Do not define macros such as " name " in a tm, nm or xm file, \
1007 in fact do not provide a tm, nm or xm file"
1008     category[type " " name] = ari_macro
1009     fail(type " " name)
1010 }
1011
1012 BEGIN { doc["deprecated_registers"] = "\
1013 Replace deprecated_registers with nothing, they have reached \
1014 end-of-life"
1015     category["deprecated_registers"] = ari_eol
1016 }
1017 /(^|[^_[:alnum:]])deprecated_registers([^_[:alnum:]]|$)/ {
1018     fail("deprecated_registers")
1019 }
1020
1021 BEGIN { doc["read_pc"] = "\
1022 Replace READ_PC() with frame_pc_unwind; \
1023 at present the inferior function call code still uses this"
1024     category["read_pc"] = ari_deprecate
1025 }
1026 /(^|[^_[:alnum:]])read_pc[[:space:]]*\(/ || \
1027 /(^|[^_[:alnum:]])set_gdbarch_read_pc[[:space:]]*\(/ || \
1028 /(^|[^_[:alnum:]])TARGET_READ_PC[[:space:]]*\(/ {
1029     fail("read_pc")
1030 }
1031
1032 BEGIN { doc["write_pc"] = "\
1033 Replace write_pc() with get_frame_base_address or get_frame_id; \
1034 at present the inferior function call code still uses this when doing \
1035 a DECR_PC_AFTER_BREAK"
1036     category["write_pc"] = ari_deprecate
1037 }
1038 /(^|[^_[:alnum:]])write_pc[[:space:]]*\(/ || \
1039 /(^|[^_[:alnum:]])set_gdbarch_write_pc[[:space:]]*\(/ || \
1040 /(^|[^_[:alnum:]])TARGET_WRITE_PC[[:space:]]*\(/ {
1041     fail("write_pc")
1042 }
1043
1044 BEGIN { doc["generic_target_write_pc"] = "\
1045 Replace generic_target_write_pc with a per-architecture implementation, \
1046 this relies on PC_REGNUM which is being eliminated"
1047     category["generic_target_write_pc"] = ari_regression
1048 }
1049 /(^|[^_[:alnum:]])generic_target_write_pc([^_[:alnum:]]|$)/ {
1050     fail("generic_target_write_pc")
1051 }
1052
1053 BEGIN { doc["read_sp"] = "\
1054 Replace read_sp() with frame_sp_unwind"
1055     category["read_sp"] = ari_regression
1056 }
1057 /(^|[^_[:alnum:]])read_sp[[:space:]]*\(/ || \
1058 /(^|[^_[:alnum:]])set_gdbarch_read_sp[[:space:]]*\(/ || \
1059 /(^|[^_[:alnum:]])TARGET_READ_SP[[:space:]]*\(/ {
1060     fail("read_sp")
1061 }
1062
1063 BEGIN { doc["register_cached"] = "\
1064 Replace register_cached() with nothing, does not have a regcache parameter"
1065     category["register_cached"] = ari_regression
1066 }
1067 /(^|[^_[:alnum:]])register_cached[[:space:]]*\(/ {
1068     fail("register_cached")
1069 }
1070
1071 BEGIN { doc["set_register_cached"] = "\
1072 Replace set_register_cached() with nothing, does not have a regcache parameter"
1073     category["set_register_cached"] = ari_regression
1074 }
1075 /(^|[^_[:alnum:]])set_register_cached[[:space:]]*\(/ {
1076     fail("set_register_cached")
1077 }
1078
1079 # Print functions: Use versions that either check for buffer overflow
1080 # or safely allocate a fresh buffer.
1081
1082 BEGIN { doc["sprintf"] = "\
1083 Do not use sprintf, instead use xsnprintf or xstrprintf"
1084     category["sprintf"] = ari_code
1085 }
1086 /(^|[^_[:alnum:]])sprintf[[:space:]]*\(/ {
1087     fail("sprintf")
1088 }
1089
1090 BEGIN { doc["vsprintf"] = "\
1091 Do not use vsprintf(), instead use xstrvprintf"
1092     category["vsprintf"] = ari_regression
1093 }
1094 /(^|[^_[:alnum:]])vsprintf[[:space:]]*\(/ {
1095     fail("vsprintf")
1096 }
1097
1098 BEGIN { doc["asprintf"] = "\
1099 Do not use asprintf(), instead use xstrprintf()"
1100     category["asprintf"] = ari_regression
1101 }
1102 /(^|[^_[:alnum:]])asprintf[[:space:]]*\(/ {
1103     fail("asprintf")
1104 }
1105
1106 BEGIN { doc["vasprintf"] = "\
1107 Do not use vasprintf(), instead use xstrvprintf"
1108     fix("vasprintf", "common/common-utils.c", 1)
1109     category["vasprintf"] = ari_regression
1110 }
1111 /(^|[^_[:alnum:]])vasprintf[[:space:]]*\(/ {
1112     fail("vasprintf")
1113 }
1114
1115 # More generic memory operations
1116
1117 BEGIN { doc["bzero"] = "\
1118 Do not use bzero(), instead use memset()"
1119     category["bzero"] = ari_regression
1120 }
1121 /(^|[^_[:alnum:]])bzero[[:space:]]*\(/ {
1122     fail("bzero")
1123 }
1124
1125 BEGIN { doc["strdup"] = "\
1126 Do not use strdup(), instead use xstrdup()";
1127     category["strdup"] = ari_regression
1128 }
1129 /(^|[^_[:alnum:]])strdup[[:space:]]*\(/ {
1130     fail("strdup")
1131 }
1132
1133 BEGIN { doc["strsave"] = "\
1134 Do not use strsave(), instead use xstrdup() et.al."
1135     category["strsave"] = ari_regression
1136 }
1137 /(^|[^_[:alnum:]])strsave[[:space:]]*\(/ {
1138     fail("strsave")
1139 }
1140
1141 # String compare functions
1142
1143 BEGIN { doc["strnicmp"] = "\
1144 Do not use strnicmp(), instead use strncasecmp()"
1145     category["strnicmp"] = ari_regression
1146 }
1147 /(^|[^_[:alnum:]])strnicmp[[:space:]]*\(/ {
1148     fail("strnicmp")
1149 }
1150
1151 # Boolean expressions and conditionals
1152
1153 BEGIN { doc["boolean"] = "\
1154 Do not use `boolean'\'',  use `int'\'' instead"
1155     category["boolean"] = ari_regression
1156 }
1157 /(^|[^_[:alnum:]])boolean([^_[:alnum:]]|$)/ {
1158     if (is_yacc_or_lex == 0) {
1159        fail("boolean")
1160     }
1161 }
1162
1163 BEGIN { doc["false"] = "\
1164 Definitely do not use `false'\'' in boolean expressions"
1165     category["false"] = ari_regression
1166 }
1167 /(^|[^_[:alnum:]])false([^_[:alnum:]]|$)/ {
1168     if (is_yacc_or_lex == 0) {
1169        fail("false")
1170     }
1171 }
1172
1173 BEGIN { doc["true"] = "\
1174 Do not try to use `true'\'' in boolean expressions"
1175     category["true"] = ari_regression
1176 }
1177 /(^|[^_[:alnum:]])true([^_[:alnum:]]|$)/ {
1178     if (is_yacc_or_lex == 0) {
1179        fail("true")
1180     }
1181 }
1182
1183 # Typedefs that are either redundant or can be reduced to `struct
1184 # type *''.
1185 # Must be placed before if assignment otherwise ARI exceptions
1186 # are not handled correctly.
1187
1188 BEGIN { doc["d_namelen"] = "\
1189 Do not use dirent.d_namelen, instead use NAMELEN"
1190     category["d_namelen"] = ari_regression
1191 }
1192 /(^|[^_[:alnum:]])d_namelen([^_[:alnum:]]|$)/ {
1193     fail("d_namelen")
1194 }
1195
1196 BEGIN { doc["strlen d_name"] = "\
1197 Do not use strlen dirent.d_name, instead use NAMELEN"
1198     category["strlen d_name"] = ari_regression
1199 }
1200 /(^|[^_[:alnum:]])strlen[[:space:]]*\(.*[^_[:alnum:]]d_name([^_[:alnum:]]|$)/ {
1201     fail("strlen d_name")
1202 }
1203
1204 BEGIN { doc["var_boolean"] = "\
1205 Replace var_boolean with add_setshow_boolean_cmd"
1206     category["var_boolean"] = ari_regression
1207     fix("var_boolean", "gdb/command.h", 1)
1208     # fix only uses the last directory level
1209     fix("var_boolean", "cli/cli-decode.c", 2)
1210 }
1211 /(^|[^_[:alnum:]])var_boolean([^_[:alnum:]]|$)/ {
1212     if (($0 !~ /(^|[^_[:alnum:]])case *var_boolean:/) \
1213         && ($0 !~ /(^|[^_[:alnum:]])[=!]= *var_boolean/)) {
1214         fail("var_boolean")
1215     }
1216 }
1217
1218 BEGIN { doc["generic_use_struct_convention"] = "\
1219 Replace generic_use_struct_convention with nothing, \
1220 EXTRACT_STRUCT_VALUE_ADDRESS is a predicate"
1221     category["generic_use_struct_convention"] = ari_regression
1222 }
1223 /(^|[^_[:alnum:]])generic_use_struct_convention([^_[:alnum:]]|$)/ {
1224     fail("generic_use_struct_convention")
1225 }
1226
1227 BEGIN { doc["if assignment"] = "\
1228 An IF statement'\''s expression contains an assignment (the GNU coding \
1229 standard discourages this)"
1230     category["if assignment"] = ari_code
1231 }
1232 BEGIN { doc["if clause more than 50 lines"] = "\
1233 An IF statement'\''s expression expands over 50 lines"
1234     category["if clause more than 50 lines"] = ari_code
1235 }
1236 #
1237 # Accumulate continuation lines
1238 FNR == 1 {
1239     in_if = 0
1240 }
1241
1242 /(^|[^_[:alnum:]])if / {
1243     in_if = 1;
1244     if_brace_level = 0;
1245     if_cont_p = 0;
1246     if_count = 0;
1247     if_brace_end_pos = 0;
1248     if_full_line = "";
1249 }
1250 (in_if)  {
1251     # We want everything up to closing brace of same level
1252     if_count++;
1253     if (if_count > 50) {
1254         print "multiline if: " if_full_line $0
1255         fail("if clause more than 50 lines")
1256         if_brace_level = 0;
1257         if_full_line = "";
1258     } else {
1259         if (if_count == 1) {
1260             i = index($0,"if ");
1261         } else {
1262             i = 1;
1263         }
1264         for (i=i; i <= length($0); i++) {
1265             char = substr($0,i,1);
1266             if (char == "(") { if_brace_level++; }
1267             if (char == ")") {
1268                 if_brace_level--;
1269                 if (!if_brace_level) {
1270                     if_brace_end_pos = i;
1271                     after_if = substr($0,i+1,length($0));
1272                     # Do not parse what is following
1273                     break;
1274                 }
1275             }
1276         }
1277         if (if_brace_level == 0) {
1278             $0 = substr($0,1,i);
1279             in_if = 0;
1280         } else {
1281             if_full_line = if_full_line $0;
1282             if_cont_p = 1;
1283             next;
1284         }
1285     }
1286 }
1287 # if we arrive here, we need to concatenate, but we are at brace level 0
1288
1289 (if_brace_end_pos) {
1290     $0 = if_full_line substr($0,1,if_brace_end_pos);
1291     if (if_count > 1) {
1292         # print "IF: multi line " if_count " found at " FILENAME ":" FNR " \"" $0 "\""
1293     }
1294     if_cont_p = 0;
1295     if_full_line = "";
1296 }
1297 /(^|[^_[:alnum:]])if .* = / {
1298     # print "fail in if " $0
1299     fail("if assignment")
1300 }
1301 (if_brace_end_pos) {
1302     $0 = $0 after_if;
1303     if_brace_end_pos = 0;
1304     in_if = 0;
1305 }
1306
1307 # Printout of all found bug
1308
1309 BEGIN {
1310     if (print_doc) {
1311         for (bug in doc) {
1312             fail(bug)
1313         }
1314         exit
1315     }
1316 }' "$@"
1317