Commit | Line | Data |
599cee73 |
1 | #!/usr/bin/perl |
2 | |
0ca4541c |
3 | |
4 | $VERSION = '1.00'; |
b75c8c73 |
5 | |
73f0cc2d |
6 | BEGIN { |
7 | push @INC, './lib'; |
8 | } |
599cee73 |
9 | use strict ; |
10 | |
11 | sub DEFAULT_ON () { 1 } |
12 | sub DEFAULT_OFF () { 2 } |
13 | |
14 | my $tree = { |
d3a7d8c7 |
15 | |
16 | 'all' => { |
e476b1b5 |
17 | 'io' => { 'pipe' => DEFAULT_OFF, |
599cee73 |
18 | 'unopened' => DEFAULT_OFF, |
19 | 'closed' => DEFAULT_OFF, |
20 | 'newline' => DEFAULT_OFF, |
21 | 'exec' => DEFAULT_OFF, |
599cee73 |
22 | }, |
e476b1b5 |
23 | 'syntax' => { 'ambiguous' => DEFAULT_OFF, |
599cee73 |
24 | 'semicolon' => DEFAULT_OFF, |
e476b1b5 |
25 | 'precedence' => DEFAULT_OFF, |
4673fc70 |
26 | 'bareword' => DEFAULT_OFF, |
599cee73 |
27 | 'reserved' => DEFAULT_OFF, |
627300f0 |
28 | 'digit' => DEFAULT_OFF, |
599cee73 |
29 | 'parenthesis' => DEFAULT_OFF, |
30 | 'deprecated' => DEFAULT_OFF, |
31 | 'printf' => DEFAULT_OFF, |
e476b1b5 |
32 | 'prototype' => DEFAULT_OFF, |
33 | 'qw' => DEFAULT_OFF, |
599cee73 |
34 | }, |
e476b1b5 |
35 | 'severe' => { 'inplace' => DEFAULT_ON, |
0453d815 |
36 | 'internal' => DEFAULT_ON, |
37 | 'debugging' => DEFAULT_ON, |
e476b1b5 |
38 | 'malloc' => DEFAULT_ON, |
0453d815 |
39 | }, |
a27978d3 |
40 | 'octmode' => { |
41 | 'chmod' => DEFAULT_OFF, |
42 | 'mkdir' => DEFAULT_OFF, |
43 | 'umask' => DEFAULT_OFF, |
44 | }, |
e476b1b5 |
45 | 'void' => DEFAULT_OFF, |
46 | 'recursion' => DEFAULT_OFF, |
47 | 'redefine' => DEFAULT_OFF, |
48 | 'numeric' => DEFAULT_OFF, |
49 | 'uninitialized' => DEFAULT_OFF, |
50 | 'once' => DEFAULT_OFF, |
51 | 'misc' => DEFAULT_OFF, |
52 | 'regexp' => DEFAULT_OFF, |
53 | 'glob' => DEFAULT_OFF, |
54 | 'y2k' => DEFAULT_OFF, |
e476b1b5 |
55 | 'untie' => DEFAULT_OFF, |
56 | 'substr' => DEFAULT_OFF, |
57 | 'taint' => DEFAULT_OFF, |
58 | 'signal' => DEFAULT_OFF, |
59 | 'closure' => DEFAULT_OFF, |
60 | 'overflow' => DEFAULT_OFF, |
61 | 'portable' => DEFAULT_OFF, |
62 | 'utf8' => DEFAULT_OFF, |
63 | 'exiting' => DEFAULT_OFF, |
64 | 'pack' => DEFAULT_OFF, |
65 | 'unpack' => DEFAULT_OFF, |
0453d815 |
66 | #'default' => DEFAULT_ON, |
d3a7d8c7 |
67 | } |
68 | } ; |
599cee73 |
69 | |
70 | |
71 | ########################################################################### |
72 | sub tab { |
73 | my($l, $t) = @_; |
74 | $t .= "\t" x ($l - (length($t) + 1) / 8); |
75 | $t; |
76 | } |
77 | |
78 | ########################################################################### |
79 | |
80 | my %list ; |
81 | my %Value ; |
d3a7d8c7 |
82 | my $index ; |
599cee73 |
83 | |
84 | sub walk |
85 | { |
86 | my $tre = shift ; |
87 | my @list = () ; |
88 | my ($k, $v) ; |
89 | |
95dfd3ab |
90 | foreach $k (sort keys %$tre) { |
91 | $v = $tre->{$k}; |
599cee73 |
92 | die "duplicate key $k\n" if defined $list{$k} ; |
93 | $Value{$index} = uc $k ; |
94 | push @{ $list{$k} }, $index ++ ; |
95 | if (ref $v) |
96 | { push (@{ $list{$k} }, walk ($v)) } |
97 | push @list, @{ $list{$k} } ; |
98 | } |
99 | |
100 | return @list ; |
599cee73 |
101 | } |
102 | |
103 | ########################################################################### |
104 | |
105 | sub mkRange |
106 | { |
107 | my @a = @_ ; |
108 | my @out = @a ; |
109 | my $i ; |
110 | |
111 | |
112 | for ($i = 1 ; $i < @a; ++ $i) { |
0ca4541c |
113 | $out[$i] = ".." |
599cee73 |
114 | if $a[$i] == $a[$i - 1] + 1 && $a[$i] + 1 == $a[$i + 1] ; |
115 | } |
116 | |
117 | my $out = join(",",@out); |
118 | |
119 | $out =~ s/,(\.\.,)+/../g ; |
120 | return $out; |
121 | } |
122 | |
123 | ########################################################################### |
e476b1b5 |
124 | sub printTree |
125 | { |
126 | my $tre = shift ; |
127 | my $prefix = shift ; |
128 | my $indent = shift ; |
129 | my ($k, $v) ; |
130 | |
131 | my $max = (sort {$a <=> $b} map { length $_ } keys %$tre)[-1] ; |
132 | |
133 | $prefix .= " " x $indent ; |
134 | foreach $k (sort keys %$tre) { |
135 | $v = $tre->{$k}; |
136 | print $prefix . "|\n" ; |
137 | print $prefix . "+- $k" ; |
138 | if (ref $v) |
0ca4541c |
139 | { |
e476b1b5 |
140 | print " " . "-" x ($max - length $k ) . "+\n" ; |
0ca4541c |
141 | printTree ($v, $prefix . "|" , $max + $indent - 1) |
e476b1b5 |
142 | } |
143 | else |
144 | { print "\n" } |
145 | } |
146 | |
147 | } |
148 | |
149 | ########################################################################### |
599cee73 |
150 | |
151 | sub mkHex |
152 | { |
153 | my ($max, @a) = @_ ; |
154 | my $mask = "\x00" x $max ; |
155 | my $string = "" ; |
156 | |
157 | foreach (@a) { |
158 | vec($mask, $_, 1) = 1 ; |
159 | } |
160 | |
161 | #$string = unpack("H$max", $mask) ; |
162 | #$string =~ s/(..)/\x$1/g; |
163 | foreach (unpack("C*", $mask)) { |
164 | $string .= '\x' . sprintf("%2.2x", $_) ; |
165 | } |
166 | return $string ; |
167 | } |
168 | |
169 | ########################################################################### |
170 | |
e476b1b5 |
171 | if (@ARGV && $ARGV[0] eq "tree") |
172 | { |
d3a7d8c7 |
173 | #print " all -+\n" ; |
e476b1b5 |
174 | printTree($tree, " ", 4) ; |
175 | exit ; |
176 | } |
599cee73 |
177 | |
918426be |
178 | unlink "warnings.h"; |
179 | unlink "lib/warnings.pm"; |
4438c4b7 |
180 | open(WARN, ">warnings.h") || die "Can't create warnings.h: $!\n"; |
181 | open(PM, ">lib/warnings.pm") || die "Can't create lib/warnings.pm: $!\n"; |
599cee73 |
182 | |
183 | print WARN <<'EOM' ; |
184 | /* !!!!!!! DO NOT EDIT THIS FILE !!!!!!! |
4438c4b7 |
185 | This file is built by warnings.pl |
599cee73 |
186 | Any changes made here will be lost! |
187 | */ |
188 | |
189 | |
0453d815 |
190 | #define Off(x) ((x) / 8) |
191 | #define Bit(x) (1 << ((x) % 8)) |
599cee73 |
192 | #define IsSet(a, x) ((a)[Off(x)] & Bit(x)) |
193 | |
0453d815 |
194 | |
599cee73 |
195 | #define G_WARN_OFF 0 /* $^W == 0 */ |
0453d815 |
196 | #define G_WARN_ON 1 /* -w flag and $^W != 0 */ |
599cee73 |
197 | #define G_WARN_ALL_ON 2 /* -W flag */ |
198 | #define G_WARN_ALL_OFF 4 /* -X flag */ |
0453d815 |
199 | #define G_WARN_ONCE 8 /* set if 'once' ever enabled */ |
599cee73 |
200 | #define G_WARN_ALL_MASK (G_WARN_ALL_ON|G_WARN_ALL_OFF) |
201 | |
d3a7d8c7 |
202 | #define pWARN_STD Nullsv |
203 | #define pWARN_ALL (Nullsv+1) /* use warnings 'all' */ |
204 | #define pWARN_NONE (Nullsv+2) /* no warnings 'all' */ |
599cee73 |
205 | |
d3a7d8c7 |
206 | #define specialWARN(x) ((x) == pWARN_STD || (x) == pWARN_ALL || \ |
207 | (x) == pWARN_NONE) |
599cee73 |
208 | EOM |
209 | |
d3a7d8c7 |
210 | my $offset = 0 ; |
211 | |
212 | $index = $offset ; |
213 | #@{ $list{"all"} } = walk ($tree) ; |
214 | walk ($tree) ; |
599cee73 |
215 | |
599cee73 |
216 | |
217 | $index *= 2 ; |
218 | my $warn_size = int($index / 8) + ($index % 8 != 0) ; |
219 | |
220 | my $k ; |
221 | foreach $k (sort { $a <=> $b } keys %Value) { |
222 | print WARN tab(5, "#define WARN_$Value{$k}"), "$k\n" ; |
223 | } |
224 | print WARN "\n" ; |
225 | |
226 | print WARN tab(5, '#define WARNsize'), "$warn_size\n" ; |
227 | #print WARN tab(5, '#define WARN_ALLstring'), '"', ('\377' x $warn_size) , "\"\n" ; |
228 | print WARN tab(5, '#define WARN_ALLstring'), '"', ('\125' x $warn_size) , "\"\n" ; |
229 | print WARN tab(5, '#define WARN_NONEstring'), '"', ('\0' x $warn_size) , "\"\n" ; |
230 | |
231 | print WARN <<'EOM'; |
232 | |
d5a71f30 |
233 | #define isLEXWARN_on (PL_curcop->cop_warnings != pWARN_STD) |
234 | #define isLEXWARN_off (PL_curcop->cop_warnings == pWARN_STD) |
235 | #define isWARN_ONCE (PL_dowarn & (G_WARN_ON|G_WARN_ONCE)) |
236 | #define isWARN_on(c,x) (IsSet(SvPVX(c), 2*(x))) |
237 | #define isWARNf_on(c,x) (IsSet(SvPVX(c), 2*(x)+1)) |
238 | |
239 | #define ckDEAD(x) \ |
240 | ( ! specialWARN(PL_curcop->cop_warnings) && \ |
241 | ( isWARNf_on(PL_curcop->cop_warnings, WARN_ALL) || \ |
242 | isWARNf_on(PL_curcop->cop_warnings, x))) |
243 | |
244 | #define ckWARN(x) \ |
245 | ( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE && \ |
246 | (PL_curcop->cop_warnings == pWARN_ALL || \ |
247 | isWARN_on(PL_curcop->cop_warnings, x) ) ) \ |
248 | || (isLEXWARN_off && PL_dowarn & G_WARN_ON) ) |
249 | |
250 | #define ckWARN2(x,y) \ |
251 | ( (isLEXWARN_on && PL_curcop->cop_warnings != pWARN_NONE && \ |
252 | (PL_curcop->cop_warnings == pWARN_ALL || \ |
253 | isWARN_on(PL_curcop->cop_warnings, x) || \ |
254 | isWARN_on(PL_curcop->cop_warnings, y) ) ) \ |
255 | || (isLEXWARN_off && PL_dowarn & G_WARN_ON) ) |
256 | |
257 | #define ckWARN_d(x) \ |
258 | (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL || \ |
259 | (PL_curcop->cop_warnings != pWARN_NONE && \ |
260 | isWARN_on(PL_curcop->cop_warnings, x) ) ) |
261 | |
262 | #define ckWARN2_d(x,y) \ |
263 | (isLEXWARN_off || PL_curcop->cop_warnings == pWARN_ALL || \ |
264 | (PL_curcop->cop_warnings != pWARN_NONE && \ |
265 | (isWARN_on(PL_curcop->cop_warnings, x) || \ |
266 | isWARN_on(PL_curcop->cop_warnings, y) ) ) ) |
267 | |
4438c4b7 |
268 | /* end of file warnings.h */ |
599cee73 |
269 | |
270 | EOM |
271 | |
272 | close WARN ; |
273 | |
274 | while (<DATA>) { |
275 | last if /^KEYWORDS$/ ; |
276 | print PM $_ ; |
277 | } |
278 | |
d3a7d8c7 |
279 | #$list{'all'} = [ $offset .. 8 * ($warn_size/2) - 1 ] ; |
280 | |
281 | #my %Keys = map {lc $Value{$_}, $_} keys %Value ; |
282 | |
283 | print PM "%Offsets = (\n" ; |
284 | foreach my $k (sort { $a <=> $b } keys %Value) { |
285 | my $v = lc $Value{$k} ; |
286 | $k *= 2 ; |
287 | print PM tab(4, " '$v'"), "=> $k,\n" ; |
288 | } |
289 | |
290 | print PM " );\n\n" ; |
291 | |
599cee73 |
292 | print PM "%Bits = (\n" ; |
293 | foreach $k (sort keys %list) { |
294 | |
295 | my $v = $list{$k} ; |
296 | my @list = sort { $a <=> $b } @$v ; |
297 | |
0ca4541c |
298 | print PM tab(4, " '$k'"), '=> "', |
299 | # mkHex($warn_size, @list), |
300 | mkHex($warn_size, map $_ * 2 , @list), |
599cee73 |
301 | '", # [', mkRange(@list), "]\n" ; |
302 | } |
303 | |
304 | print PM " );\n\n" ; |
305 | |
306 | print PM "%DeadBits = (\n" ; |
307 | foreach $k (sort keys %list) { |
308 | |
309 | my $v = $list{$k} ; |
310 | my @list = sort { $a <=> $b } @$v ; |
311 | |
0ca4541c |
312 | print PM tab(4, " '$k'"), '=> "', |
313 | # mkHex($warn_size, @list), |
314 | mkHex($warn_size, map $_ * 2 + 1 , @list), |
599cee73 |
315 | '", # [', mkRange(@list), "]\n" ; |
316 | } |
317 | |
318 | print PM " );\n\n" ; |
d3a7d8c7 |
319 | print PM '$NONE = "', ('\0' x $warn_size) , "\";\n" ; |
320 | print PM '$LAST_BIT = ' . "$index ;\n" ; |
321 | print PM '$BYTES = ' . "$warn_size ;\n" ; |
599cee73 |
322 | while (<DATA>) { |
323 | print PM $_ ; |
324 | } |
325 | |
326 | close PM ; |
327 | |
328 | __END__ |
329 | |
4438c4b7 |
330 | # This file was created by warnings.pl |
599cee73 |
331 | # Any changes made here will be lost. |
332 | # |
333 | |
4438c4b7 |
334 | package warnings; |
599cee73 |
335 | |
b75c8c73 |
336 | our $VERSION = '1.00'; |
337 | |
599cee73 |
338 | =head1 NAME |
339 | |
4438c4b7 |
340 | warnings - Perl pragma to control optional warnings |
599cee73 |
341 | |
342 | =head1 SYNOPSIS |
343 | |
4438c4b7 |
344 | use warnings; |
345 | no warnings; |
599cee73 |
346 | |
4438c4b7 |
347 | use warnings "all"; |
348 | no warnings "all"; |
599cee73 |
349 | |
d3a7d8c7 |
350 | use warnings::register; |
351 | if (warnings::enabled()) { |
352 | warnings::warn("some warning"); |
353 | } |
354 | |
355 | if (warnings::enabled("void")) { |
e476b1b5 |
356 | warnings::warn("void", "some warning"); |
357 | } |
358 | |
7e6d00f8 |
359 | if (warnings::enabled($object)) { |
360 | warnings::warn($object, "some warning"); |
361 | } |
362 | |
363 | warnif("some warning"); |
364 | warnif("void", "some warning"); |
365 | warnif($object, "some warning"); |
366 | |
599cee73 |
367 | =head1 DESCRIPTION |
368 | |
0453d815 |
369 | If no import list is supplied, all possible warnings are either enabled |
370 | or disabled. |
599cee73 |
371 | |
0ca4541c |
372 | A number of functions are provided to assist module authors. |
e476b1b5 |
373 | |
374 | =over 4 |
375 | |
d3a7d8c7 |
376 | =item use warnings::register |
377 | |
7e6d00f8 |
378 | Creates a new warnings category with the same name as the package where |
379 | the call to the pragma is used. |
380 | |
381 | =item warnings::enabled() |
382 | |
383 | Use the warnings category with the same name as the current package. |
384 | |
385 | Return TRUE if that warnings category is enabled in the calling module. |
386 | Otherwise returns FALSE. |
387 | |
388 | =item warnings::enabled($category) |
389 | |
390 | Return TRUE if the warnings category, C<$category>, is enabled in the |
391 | calling module. |
392 | Otherwise returns FALSE. |
393 | |
394 | =item warnings::enabled($object) |
395 | |
396 | Use the name of the class for the object reference, C<$object>, as the |
397 | warnings category. |
398 | |
399 | Return TRUE if that warnings category is enabled in the first scope |
400 | where the object is used. |
401 | Otherwise returns FALSE. |
402 | |
403 | =item warnings::warn($message) |
404 | |
405 | Print C<$message> to STDERR. |
406 | |
407 | Use the warnings category with the same name as the current package. |
408 | |
409 | If that warnings category has been set to "FATAL" in the calling module |
410 | then die. Otherwise return. |
411 | |
412 | =item warnings::warn($category, $message) |
413 | |
414 | Print C<$message> to STDERR. |
415 | |
416 | If the warnings category, C<$category>, has been set to "FATAL" in the |
417 | calling module then die. Otherwise return. |
d3a7d8c7 |
418 | |
7e6d00f8 |
419 | =item warnings::warn($object, $message) |
e476b1b5 |
420 | |
7e6d00f8 |
421 | Print C<$message> to STDERR. |
e476b1b5 |
422 | |
7e6d00f8 |
423 | Use the name of the class for the object reference, C<$object>, as the |
424 | warnings category. |
e476b1b5 |
425 | |
7e6d00f8 |
426 | If that warnings category has been set to "FATAL" in the scope where C<$object> |
427 | is first used then die. Otherwise return. |
599cee73 |
428 | |
e476b1b5 |
429 | |
7e6d00f8 |
430 | =item warnings::warnif($message) |
431 | |
432 | Equivalent to: |
433 | |
434 | if (warnings::enabled()) |
435 | { warnings::warn($message) } |
436 | |
437 | =item warnings::warnif($category, $message) |
438 | |
439 | Equivalent to: |
440 | |
441 | if (warnings::enabled($category)) |
442 | { warnings::warn($category, $message) } |
443 | |
444 | =item warnings::warnif($object, $message) |
445 | |
446 | Equivalent to: |
447 | |
448 | if (warnings::enabled($object)) |
449 | { warnings::warn($object, $message) } |
d3a7d8c7 |
450 | |
e476b1b5 |
451 | =back |
452 | |
749f83fa |
453 | See L<perlmodlib/Pragmatic Modules> and L<perllexwarn>. |
599cee73 |
454 | |
455 | =cut |
456 | |
457 | use Carp ; |
458 | |
459 | KEYWORDS |
460 | |
d3a7d8c7 |
461 | $All = "" ; vec($All, $Offsets{'all'}, 2) = 3 ; |
462 | |
599cee73 |
463 | sub bits { |
464 | my $mask ; |
465 | my $catmask ; |
466 | my $fatal = 0 ; |
467 | foreach my $word (@_) { |
327afb7f |
468 | if ($word eq 'FATAL') { |
469 | $fatal = 1; |
470 | } |
d3a7d8c7 |
471 | elsif ($catmask = $Bits{$word}) { |
472 | $mask |= $catmask ; |
473 | $mask |= $DeadBits{$word} if $fatal ; |
599cee73 |
474 | } |
d3a7d8c7 |
475 | else |
0ca4541c |
476 | { croak("unknown warnings category '$word'")} |
599cee73 |
477 | } |
478 | |
479 | return $mask ; |
480 | } |
481 | |
482 | sub import { |
483 | shift; |
f1f33818 |
484 | my $mask = ${^WARNING_BITS} ; |
485 | if (vec($mask, $Offsets{'all'}, 1)) { |
486 | $mask |= $Bits{'all'} ; |
487 | $mask |= $DeadBits{'all'} if vec($mask, $Offsets{'all'}+1, 1); |
488 | } |
489 | ${^WARNING_BITS} = $mask | bits(@_ ? @_ : 'all') ; |
599cee73 |
490 | } |
491 | |
492 | sub unimport { |
493 | shift; |
d3a7d8c7 |
494 | my $mask = ${^WARNING_BITS} ; |
495 | if (vec($mask, $Offsets{'all'}, 1)) { |
f1f33818 |
496 | $mask |= $Bits{'all'} ; |
d3a7d8c7 |
497 | $mask |= $DeadBits{'all'} if vec($mask, $Offsets{'all'}+1, 1); |
498 | } |
499 | ${^WARNING_BITS} = $mask & ~ (bits(@_ ? @_ : 'all') | $All) ; |
599cee73 |
500 | } |
501 | |
7e6d00f8 |
502 | sub __chk |
599cee73 |
503 | { |
d3a7d8c7 |
504 | my $category ; |
505 | my $offset ; |
7e6d00f8 |
506 | my $isobj = 0 ; |
d3a7d8c7 |
507 | |
508 | if (@_) { |
509 | # check the category supplied. |
510 | $category = shift ; |
7e6d00f8 |
511 | if (ref $category) { |
512 | croak ("not an object") |
513 | if $category !~ /^([^=]+)=/ ;+ |
514 | $category = $1 ; |
515 | $isobj = 1 ; |
516 | } |
d3a7d8c7 |
517 | $offset = $Offsets{$category}; |
518 | croak("unknown warnings category '$category'") |
519 | unless defined $offset; |
520 | } |
521 | else { |
0ca4541c |
522 | $category = (caller(1))[0] ; |
d3a7d8c7 |
523 | $offset = $Offsets{$category}; |
524 | croak("package '$category' not registered for warnings") |
525 | unless defined $offset ; |
526 | } |
527 | |
0ca4541c |
528 | my $this_pkg = (caller(1))[0] ; |
7e6d00f8 |
529 | my $i = 2 ; |
530 | my $pkg ; |
531 | |
532 | if ($isobj) { |
533 | while (do { { package DB; $pkg = (caller($i++))[0] } } ) { |
534 | last unless @DB::args && $DB::args[0] =~ /^$category=/ ; |
535 | } |
536 | $i -= 2 ; |
537 | } |
538 | else { |
539 | for ($i = 2 ; $pkg = (caller($i))[0] ; ++ $i) { |
540 | last if $pkg ne $this_pkg ; |
541 | } |
0ca4541c |
542 | $i = 2 |
7e6d00f8 |
543 | if !$pkg || $pkg eq $this_pkg ; |
544 | } |
545 | |
0ca4541c |
546 | my $callers_bitmask = (caller($i))[9] ; |
7e6d00f8 |
547 | return ($callers_bitmask, $offset, $i) ; |
548 | } |
549 | |
550 | sub enabled |
551 | { |
552 | croak("Usage: warnings::enabled([category])") |
553 | unless @_ == 1 || @_ == 0 ; |
554 | |
555 | my ($callers_bitmask, $offset, $i) = __chk(@_) ; |
556 | |
557 | return 0 unless defined $callers_bitmask ; |
d3a7d8c7 |
558 | return vec($callers_bitmask, $offset, 1) || |
559 | vec($callers_bitmask, $Offsets{'all'}, 1) ; |
599cee73 |
560 | } |
561 | |
d3a7d8c7 |
562 | |
e476b1b5 |
563 | sub warn |
564 | { |
d3a7d8c7 |
565 | croak("Usage: warnings::warn([category,] 'message')") |
566 | unless @_ == 2 || @_ == 1 ; |
d3a7d8c7 |
567 | |
7e6d00f8 |
568 | my $message = pop ; |
569 | my ($callers_bitmask, $offset, $i) = __chk(@_) ; |
570 | local $Carp::CarpLevel = $i ; |
0ca4541c |
571 | croak($message) |
d3a7d8c7 |
572 | if vec($callers_bitmask, $offset+1, 1) || |
573 | vec($callers_bitmask, $Offsets{'all'}+1, 1) ; |
e476b1b5 |
574 | carp($message) ; |
575 | } |
576 | |
7e6d00f8 |
577 | sub warnif |
578 | { |
579 | croak("Usage: warnings::warnif([category,] 'message')") |
580 | unless @_ == 2 || @_ == 1 ; |
581 | |
582 | my $message = pop ; |
583 | my ($callers_bitmask, $offset, $i) = __chk(@_) ; |
584 | local $Carp::CarpLevel = $i ; |
585 | |
0ca4541c |
586 | return |
7e6d00f8 |
587 | unless defined $callers_bitmask && |
588 | (vec($callers_bitmask, $offset, 1) || |
589 | vec($callers_bitmask, $Offsets{'all'}, 1)) ; |
590 | |
0ca4541c |
591 | croak($message) |
7e6d00f8 |
592 | if vec($callers_bitmask, $offset+1, 1) || |
593 | vec($callers_bitmask, $Offsets{'all'}+1, 1) ; |
594 | |
595 | carp($message) ; |
596 | } |
599cee73 |
597 | 1; |