Commit | Line | Data |
b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
4 | use warnings; |
5 | use strict; |
6 | |
750a4ad2 |
7 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( "$]" < 5.010 ? 1 : 0); |
b1dbf716 |
8 | |
37873f78 |
9 | BEGIN { |
10 | package # hide from pause |
11 | DBIx::Class::_ENV_; |
12 | |
13 | use Config; |
14 | |
15 | use constant { |
16 | |
17 | # but of course |
18 | BROKEN_FORK => ($^O eq 'MSWin32') ? 1 : 0, |
19 | |
750a4ad2 |
20 | BROKEN_GOTO => ( "$]" < 5.008003 ) ? 1 : 0, |
8d73fcd4 |
21 | |
37873f78 |
22 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
23 | |
bbf6a9a5 |
24 | UNSTABLE_DOLLARAT => ( "$]" < 5.013002 ) ? 1 : 0, |
25 | |
db83437e |
26 | ( map |
27 | # |
28 | # the "DBIC_" prefix below is crucial - this is what makes CI pick up |
29 | # all envvars without further adjusting its scripts |
30 | # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) } |
31 | # |
32 | { substr($_, 5) => !!( $ENV{$_} ) } |
33 | qw( |
34 | DBIC_SHUFFLE_UNORDERED_RESULTSETS |
35 | DBIC_ASSERT_NO_INTERNAL_WANTARRAY |
36 | DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS |
37 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
38 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
39 | ) |
40 | ), |
f45dc928 |
41 | |
37873f78 |
42 | IV_SIZE => $Config{ivsize}, |
00882d2c |
43 | |
44 | OS_NAME => $^O, |
37873f78 |
45 | }; |
46 | |
750a4ad2 |
47 | if ( "$]" < 5.009_005) { |
37873f78 |
48 | require MRO::Compat; |
49 | constant->import( OLD_MRO => 1 ); |
50 | } |
51 | else { |
52 | require mro; |
53 | constant->import( OLD_MRO => 0 ); |
54 | } |
55 | } |
56 | |
841efcb3 |
57 | # FIXME - this is not supposed to be here |
58 | # Carp::Skip to the rescue soon |
59 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
60 | |
d7d45bdc |
61 | use B (); |
841efcb3 |
62 | use Carp 'croak'; |
d7d45bdc |
63 | use Storable 'nfreeze'; |
3d56e026 |
64 | use Scalar::Util qw(weaken blessed reftype refaddr); |
3705e3b2 |
65 | use List::Util qw(first); |
0020e364 |
66 | use Sub::Quote qw(qsub quote_sub); |
7f9a3f70 |
67 | |
1c30a2e4 |
68 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
69 | BEGIN { *deep_clone = \&Storable::dclone } |
70 | |
b1dbf716 |
71 | use base 'Exporter'; |
3705e3b2 |
72 | our @EXPORT_OK = qw( |
d634850b |
73 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
74 | fail_on_internal_wantarray fail_on_internal_call |
bbf6a9a5 |
75 | refdesc refcount hrefaddr |
ddcc02d1 |
76 | scope_guard detected_reinvoked_destructor |
77 | is_exception dbic_internal_try |
8fc4291e |
78 | quote_sub qsub perlstring serialize deep_clone dump_value |
439a7283 |
79 | parent_dir mkdir_p |
facd0e8e |
80 | UNRESOLVABLE_CONDITION |
3705e3b2 |
81 | ); |
052a832c |
82 | |
facd0e8e |
83 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
84 | |
bf302897 |
85 | sub sigwarn_silencer ($) { |
052a832c |
86 | my $pattern = shift; |
87 | |
88 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
89 | |
90 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
91 | |
92 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
93 | } |
b1dbf716 |
94 | |
01b25f12 |
95 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
96 | |
3d56e026 |
97 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
98 | |
99 | sub refdesc ($) { |
100 | croak "Expecting a reference" if ! length ref $_[0]; |
101 | |
102 | # be careful not to trigger stringification, |
103 | # reuse @_ as a scratch-pad |
104 | sprintf '%s%s(0x%x)', |
105 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
106 | reftype $_[0], |
3d56e026 |
107 | refaddr($_[0]), |
8433421f |
108 | ; |
109 | } |
bf302897 |
110 | |
111 | sub refcount ($) { |
dac7972a |
112 | croak "Expecting a reference" if ! length ref $_[0]; |
113 | |
dac7972a |
114 | # No tempvars - must operate on $_[0], otherwise the pad |
115 | # will count as an extra ref |
116 | B::svref_2object($_[0])->REFCNT; |
117 | } |
118 | |
b34d9331 |
119 | sub serialize ($) { |
b34d9331 |
120 | local $Storable::canonical = 1; |
d7d45bdc |
121 | nfreeze($_[0]); |
b34d9331 |
122 | } |
123 | |
2d5ac3cf |
124 | my $dd_obj; |
8fc4291e |
125 | sub dump_value ($) { |
126 | local $Data::Dumper::Indent = 1 |
127 | unless defined $Data::Dumper::Indent; |
128 | |
2d5ac3cf |
129 | my $dump_str = ( |
8fc4291e |
130 | $dd_obj |
131 | ||= |
132 | do { |
133 | require Data::Dumper; |
134 | my $d = Data::Dumper->new([]) |
135 | ->Purity(0) |
136 | ->Pad('') |
137 | ->Useqq(1) |
138 | ->Terse(1) |
139 | ->Freezer('') |
140 | ->Quotekeys(0) |
141 | ->Bless('bless') |
142 | ->Pair(' => ') |
143 | ->Sortkeys(1) |
144 | ->Deparse(1) |
145 | ; |
146 | |
147 | $d->Sparseseen(1) if modver_gt_or_eq ( |
148 | 'Data::Dumper', '2.136' |
149 | ); |
150 | |
151 | $d; |
152 | } |
153 | )->Values([$_[0]])->Dump; |
154 | |
155 | $dd_obj->Reset->Values([]); |
156 | |
157 | $dump_str; |
158 | } |
159 | |
bbf6a9a5 |
160 | sub scope_guard (&) { |
161 | croak 'Calling scope_guard() in void context makes no sense' |
162 | if ! defined wantarray; |
163 | |
164 | # no direct blessing of coderefs - DESTROY is buggy on those |
165 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
166 | } |
167 | { |
168 | package # |
169 | DBIx::Class::_Util::ScopeGuard; |
170 | |
171 | sub DESTROY { |
172 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
173 | |
174 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
175 | |
176 | eval { |
177 | $_[0]->[0]->(); |
178 | 1; |
118b2c36 |
179 | } |
180 | or |
181 | Carp::cluck( |
182 | "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@" |
183 | ); |
bbf6a9a5 |
184 | } |
185 | } |
186 | |
187 | |
841efcb3 |
188 | sub is_exception ($) { |
189 | my $e = $_[0]; |
190 | |
35cf7d1a |
191 | # FIXME |
a0414138 |
192 | # this is not strictly correct - an eval setting $@ to undef |
193 | # is *not* the same as an eval setting $@ to '' |
194 | # but for the sake of simplicity assume the following for |
195 | # the time being |
196 | return 0 unless defined $e; |
197 | |
841efcb3 |
198 | my ($not_blank, $suberror); |
199 | { |
5c33c8be |
200 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
201 | local $@; |
202 | eval { |
d52c4a75 |
203 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
204 | # will entirely obviate the need for the encolsing eval{}, as the |
205 | # condition we guard against is a missing fallback overload |
206 | $not_blank = ( $e ne '' ); |
841efcb3 |
207 | 1; |
208 | } or $suberror = $@; |
209 | } |
210 | |
211 | if (defined $suberror) { |
212 | if (length (my $class = blessed($e) )) { |
213 | carp_unique( sprintf( |
9bea2000 |
214 | 'External exception class %s implements partial (broken) overloading ' |
215 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
216 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
217 | . 'handling this type of brokenness is extremely dangerous on ' |
218 | . 'exception objects, as it may (and often does) result in silent ' |
219 | . '"exception substitution". DBIx::Class tries to work around this ' |
220 | . 'as much as possible, but other parts of your software stack may ' |
221 | . 'not be even aware of this. Please submit a bugreport against the ' |
222 | . 'distribution containing %s and in the meantime apply a fix similar ' |
223 | . 'to the one shown at %s, in order to ensure your exception handling ' |
224 | . 'is saner application-wide. What follows is the actual error text ' |
225 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
226 | $class, |
841efcb3 |
227 | $class, |
228 | 'http://v.gd/DBIC_overload_tempfix/', |
229 | $suberror, |
230 | )); |
231 | |
232 | # workaround, keeps spice flowing |
d52c4a75 |
233 | $not_blank = !!( length $e ); |
841efcb3 |
234 | } |
235 | else { |
236 | # not blessed yet failed the 'ne'... this makes 0 sense... |
237 | # just throw further |
238 | die $suberror |
239 | } |
240 | } |
84e4e006 |
241 | elsif ( |
242 | # a ref evaluating to '' is definitively a "null object" |
243 | ( not $not_blank ) |
244 | and |
245 | length( my $class = ref $e ) |
246 | ) { |
247 | carp_unique( sprintf( |
248 | "Objects of external exception class '%s' stringify to '' (the " |
249 | . 'empty string), implementing the so called null-object-pattern. ' |
250 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
251 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
252 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
253 | . 'work around this as much as possible, but other parts of your ' |
254 | . 'software stack may not be even aware of the problem. Please submit ' |
35cf7d1a |
255 | . 'a bugreport against the distribution containing %s', |
84e4e006 |
256 | |
257 | ($class) x 2, |
258 | )); |
259 | |
260 | $not_blank = 1; |
261 | } |
841efcb3 |
262 | |
263 | return $not_blank; |
264 | } |
265 | |
3d56e026 |
266 | { |
ddcc02d1 |
267 | my $callstack_state; |
268 | |
269 | # Recreate the logic of try(), while reusing the catch()/finally() as-is |
270 | # |
271 | # FIXME: We need to move away from Try::Tiny entirely (way too heavy and |
272 | # yes, shows up ON TOP of profiles) but this is a batle for another maint |
273 | sub dbic_internal_try (&;@) { |
274 | |
275 | my $try_cref = shift; |
276 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
277 | |
278 | for my $arg (@_) { |
279 | |
280 | if( ref($arg) eq 'Try::Tiny::Catch' ) { |
281 | |
282 | croak 'dbic_internal_try() may not be followed by multiple catch() blocks' |
283 | if $catch_cref; |
284 | |
285 | $catch_cref = $$arg; |
286 | } |
287 | elsif ( ref($arg) eq 'Try::Tiny::Finally' ) { |
288 | croak 'dbic_internal_try() does not support finally{}'; |
289 | } |
290 | else { |
291 | croak( |
292 | 'dbic_internal_try() encountered an unexpected argument ' |
293 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
294 | . 'a missing semi-colon before or ' # trailing space important |
295 | ); |
296 | } |
297 | } |
298 | |
299 | my $wantarray = wantarray; |
300 | my $preexisting_exception = $@; |
301 | |
302 | my @ret; |
303 | my $all_good = eval { |
304 | $@ = $preexisting_exception; |
305 | |
306 | local $callstack_state->{in_internal_try} = 1 |
307 | unless $callstack_state->{in_internal_try}; |
308 | |
309 | # always unset - someone may have snuck it in |
5c33c8be |
310 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
311 | |
312 | if( $wantarray ) { |
313 | @ret = $try_cref->(); |
314 | } |
315 | elsif( defined $wantarray ) { |
316 | $ret[0] = $try_cref->(); |
317 | } |
318 | else { |
319 | $try_cref->(); |
320 | } |
321 | |
322 | 1; |
323 | }; |
324 | |
325 | my $exception = $@; |
326 | $@ = $preexisting_exception; |
327 | |
328 | if ( $all_good ) { |
329 | return $wantarray ? @ret : $ret[0] |
330 | } |
331 | elsif ( $catch_cref ) { |
332 | for ( $exception ) { |
333 | return $catch_cref->($exception); |
334 | } |
335 | } |
336 | |
337 | return; |
338 | } |
339 | |
340 | sub in_internal_try { !! $callstack_state->{in_internal_try} } |
341 | } |
342 | |
343 | { |
3d56e026 |
344 | my $destruction_registry = {}; |
345 | |
346 | sub CLONE { |
347 | $destruction_registry = { map |
348 | { defined $_ ? ( refaddr($_) => $_ ) : () } |
349 | values %$destruction_registry |
350 | }; |
d52fc26d |
351 | |
352 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
353 | # collected before leaving this scope. Depending on the code above, this |
354 | # may very well be just a preventive measure guarding future modifications |
355 | undef; |
3d56e026 |
356 | } |
357 | |
358 | # This is almost invariably invoked from within DESTROY |
359 | # throwing exceptions won't work |
e1d9e578 |
360 | sub detected_reinvoked_destructor { |
3d56e026 |
361 | |
362 | # quick "garbage collection" pass - prevents the registry |
363 | # from slowly growing with a bunch of undef-valued keys |
364 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
365 | for keys %$destruction_registry; |
366 | |
e1d9e578 |
367 | if (! length ref $_[0]) { |
368 | printf STDERR '%s() expects a blessed reference %s', |
3d56e026 |
369 | (caller(0))[3], |
370 | Carp::longmess, |
371 | ; |
372 | return undef; # don't know wtf to do |
373 | } |
e1d9e578 |
374 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
375 | weaken( $destruction_registry->{$addr} = $_[0] ); |
376 | return 0; |
377 | } |
378 | else { |
379 | carp_unique ( sprintf ( |
380 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
381 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
382 | . 'application, affecting *ALL* classes without active protection against ' |
383 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
384 | refdesc $_[0], |
385 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
386 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
387 | : '' |
388 | ) |
389 | )); |
390 | |
391 | return 1; |
392 | } |
393 | } |
394 | } |
395 | |
7302b3e0 |
396 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
397 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
398 | |
bf302897 |
399 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
400 | my ($mod, $ver) = @_; |
401 | |
402 | croak "Nonsensical module name supplied" |
7302b3e0 |
403 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
404 | |
405 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
406 | if ! defined $ver or $ver !~ $ver_rx; |
407 | |
408 | no strict 'refs'; |
409 | my $ver_cache = ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= ( $mod->VERSION |
410 | ? {} |
411 | : croak "$mod does not seem to provide a version (perhaps it never loaded)" |
412 | ); |
413 | |
414 | ! defined $ver_cache->{$ver} |
415 | and |
416 | $ver_cache->{$ver} = do { |
b1dbf716 |
417 | |
7302b3e0 |
418 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
419 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
420 | |
5c33c8be |
421 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
422 | local $@; |
7302b3e0 |
423 | eval { $mod->VERSION($ver) } ? 1 : 0; |
424 | }; |
56270bba |
425 | |
7302b3e0 |
426 | $ver_cache->{$ver}; |
b1dbf716 |
427 | } |
428 | |
d634850b |
429 | sub modver_gt_or_eq_and_lt ($$$) { |
430 | my ($mod, $v_ge, $v_lt) = @_; |
431 | |
432 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
433 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
434 | |
435 | return ( |
436 | modver_gt_or_eq($mod, $v_ge) |
437 | and |
438 | ! modver_gt_or_eq($mod, $v_lt) |
439 | ) ? 1 : 0; |
440 | } |
441 | |
e3be2b6f |
442 | |
443 | # |
444 | # Why not just use some higher-level module or at least File::Spec here? |
445 | # Because: |
446 | # 1) This is a *very* rarely used function, and the deptree is large |
447 | # enough already as it is |
448 | # |
449 | # 2) (more importantly) Our tooling is utter shit in this area. There |
450 | # is no comprehensive support for UNC paths in PathTools and there |
451 | # are also various small bugs in representation across different |
452 | # path-manipulation CPAN offerings. |
453 | # |
454 | # Since this routine is strictly used for logical path processing (it |
455 | # *must* be able to work with not-yet-existing paths), use this seemingly |
456 | # simple but I *think* complete implementation to feed to other consumers |
457 | # |
458 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
459 | # the impulse to bring in an external dependency. During runtime there |
460 | # is exactly one spot that could potentially maybe once in a blue moon |
461 | # use this function. Keep it lean. |
462 | # |
463 | sub parent_dir ($) { |
464 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
465 | ? ( |
466 | $_[0] |
467 | . |
468 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
469 | . |
470 | '../' |
471 | ) |
472 | : ( |
473 | require File::Spec |
474 | and |
475 | File::Spec->catpath ( |
476 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
477 | '/', |
478 | ) |
479 | ) |
480 | ; |
481 | } |
482 | |
439a7283 |
483 | sub mkdir_p ($) { |
484 | require File::Path; |
485 | # do not ask for a recent version, use 1.x API calls |
486 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
487 | } |
488 | |
e3be2b6f |
489 | |
a9da9b6a |
490 | { |
491 | my $list_ctx_ok_stack_marker; |
492 | |
e89c7968 |
493 | sub fail_on_internal_wantarray () { |
a9da9b6a |
494 | return if $list_ctx_ok_stack_marker; |
495 | |
496 | if (! defined wantarray) { |
497 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
498 | } |
499 | |
500 | my $cf = 1; |
821edc09 |
501 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
502 | |
503 | # these are public API parts that alter behavior on wantarray |
504 | search | search_related | slice | search_literal |
505 | |
506 | | |
507 | |
508 | # these are explicitly prefixed, since we only recognize them as valid |
509 | # escapes when they come from the guts of CDBICompat |
510 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
511 | |
512 | ) $/x ) { |
513 | $cf++; |
514 | } |
515 | |
e89c7968 |
516 | my ($fr, $want, $argdesc); |
517 | { |
518 | package DB; |
821edc09 |
519 | $fr = [ CORE::caller($cf) ]; |
520 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
521 | $argdesc = ref $DB::args[0] |
522 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
523 | : 'non ' |
524 | ; |
525 | }; |
526 | |
a9da9b6a |
527 | if ( |
e89c7968 |
528 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
529 | ) { |
a9da9b6a |
530 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
531 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
532 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
533 | ), 'with_stacktrace'); |
534 | } |
535 | |
536 | my $mark = []; |
537 | weaken ( $list_ctx_ok_stack_marker = $mark ); |
538 | $mark; |
539 | } |
540 | } |
541 | |
77c3a5dc |
542 | sub fail_on_internal_call { |
543 | my ($fr, $argdesc); |
544 | { |
545 | package DB; |
821edc09 |
546 | $fr = [ CORE::caller(1) ]; |
77c3a5dc |
547 | $argdesc = ref $DB::args[0] |
548 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
549 | : undef |
550 | ; |
551 | }; |
552 | |
553 | if ( |
554 | $argdesc |
555 | and |
556 | $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
557 | and |
558 | $fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
559 | ) { |
560 | DBIx::Class::Exception->throw( sprintf ( |
561 | "Illegal internal call of indirect proxy-method %s() with argument %s: examine the last lines of the proxy method deparse below to determine what to call directly instead at %s on line %d\n\n%s\n\n Stacktrace starts", |
562 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
563 | require B::Deparse; |
564 | no strict 'refs'; |
565 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
566 | }), |
567 | ), 'with_stacktrace'); |
568 | } |
569 | } |
570 | |
b1dbf716 |
571 | 1; |