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b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
399b9455 |
4 | use DBIx::Class::StartupCheck; # load es early as we can, usually a noop |
5 | |
b1dbf716 |
6 | use warnings; |
7 | use strict; |
8 | |
953f8eb0 |
9 | # For the love of everything that is crab-like: DO NOT reach into this |
10 | # The entire thing is really fragile and should not be screwed with |
11 | # unless absolutely and unavoidably necessary |
12 | our $__describe_class_query_cache; |
296248c3 |
13 | |
37873f78 |
14 | BEGIN { |
15 | package # hide from pause |
16 | DBIx::Class::_ENV_; |
17 | |
18 | use Config; |
19 | |
20 | use constant { |
3605497b |
21 | PERL_VERSION => "$]", |
22 | OS_NAME => "$^O", |
23 | }; |
24 | |
25 | use constant { |
37873f78 |
26 | |
27 | # but of course |
3605497b |
28 | BROKEN_FORK => (OS_NAME eq 'MSWin32') ? 1 : 0, |
37873f78 |
29 | |
3605497b |
30 | BROKEN_GOTO => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
8d73fcd4 |
31 | |
7bba735d |
32 | # perl -MScalar::Util=weaken -e 'weaken( $hash{key} = \"value" )' |
3605497b |
33 | BROKEN_WEAK_SCALARREF_VALUES => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
7bba735d |
34 | |
37873f78 |
35 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
36 | |
5f0174dc |
37 | TAINT_MODE => 0 + ${^TAINT}, # tri-state: 0, 1, -1 |
38 | |
3605497b |
39 | UNSTABLE_DOLLARAT => ( PERL_VERSION < 5.013002 ) ? 1 : 0, |
bbf6a9a5 |
40 | |
db83437e |
41 | ( map |
42 | # |
43 | # the "DBIC_" prefix below is crucial - this is what makes CI pick up |
44 | # all envvars without further adjusting its scripts |
45 | # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) } |
46 | # |
47 | { substr($_, 5) => !!( $ENV{$_} ) } |
48 | qw( |
49 | DBIC_SHUFFLE_UNORDERED_RESULTSETS |
50 | DBIC_ASSERT_NO_INTERNAL_WANTARRAY |
51 | DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS |
534aff61 |
52 | DBIC_ASSERT_NO_ERRONEOUS_METAINSTANCE_USE |
12e7015a |
53 | DBIC_ASSERT_NO_FAILING_SANITY_CHECKS |
db83437e |
54 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
55 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
56 | ) |
57 | ), |
f45dc928 |
58 | |
37873f78 |
59 | IV_SIZE => $Config{ivsize}, |
60 | }; |
61 | |
3605497b |
62 | if ( PERL_VERSION < 5.009_005) { |
37873f78 |
63 | require MRO::Compat; |
64 | constant->import( OLD_MRO => 1 ); |
296248c3 |
65 | |
66 | # |
67 | # Yes, I know this is a rather PHP-ish name, but please first read |
68 | # https://metacpan.org/source/BOBTFISH/MRO-Compat-0.12/lib/MRO/Compat.pm#L363-368 |
69 | # |
70 | # Even if we are using Class::C3::XS it still won't work, as doing |
71 | # defined( *{ "SubClass::"->{$_} }{CODE} ) |
72 | # will set pkg_gen to the same value for SubClass and *ALL PARENTS* |
73 | # |
74 | *DBIx::Class::_Util::get_real_pkg_gen = sub ($) { |
75 | require Digest::MD5; |
76 | require Math::BigInt; |
77 | |
953f8eb0 |
78 | my $cur_class; |
79 | no strict 'refs'; |
80 | |
296248c3 |
81 | # the non-assign-unless-there-is-a-hash is deliberate |
953f8eb0 |
82 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{gen} ||= ( |
296248c3 |
83 | Math::BigInt->new( '0x' . ( Digest::MD5::md5_hex( join "\0", map { |
84 | |
953f8eb0 |
85 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_}{methlist} ||= ( |
86 | |
87 | $cur_class = $_ |
296248c3 |
88 | |
953f8eb0 |
89 | and |
1c179556 |
90 | |
91 | # RV to be hashed up and turned into a number |
92 | join "\0", ( |
953f8eb0 |
93 | $cur_class, |
296248c3 |
94 | map |
1c179556 |
95 | {( |
96 | # stringification should be sufficient, ignore names/refaddr entirely |
97 | $_, |
92705f7f |
98 | do { |
99 | my @attrs; |
100 | local $@; |
101 | local $SIG{__DIE__} if $SIG{__DIE__}; |
102 | # attributes::get may throw on blessed-false crefs :/ |
103 | eval { @attrs = attributes::get( $_ ); 1 } |
104 | or warn "Unable to determine attributes of coderef $_ due to the following error: $@"; |
105 | @attrs; |
106 | }, |
1c179556 |
107 | )} |
296248c3 |
108 | map |
1c179556 |
109 | {( |
110 | # skip dummy C::C3 helper crefs |
953f8eb0 |
111 | ! ( ( $Class::C3::MRO{$cur_class} || {} )->{methods}{$_} ) |
1c179556 |
112 | and |
296248c3 |
113 | ( |
953f8eb0 |
114 | ref(\ "${cur_class}::"->{$_} ) ne 'GLOB' |
296248c3 |
115 | or |
953f8eb0 |
116 | defined( *{ "${cur_class}::"->{$_} }{CODE} ) |
296248c3 |
117 | ) |
1c179556 |
118 | ) |
953f8eb0 |
119 | ? ( \&{"${cur_class}::$_"} ) |
296248c3 |
120 | : () |
121 | } |
953f8eb0 |
122 | keys %{ "${cur_class}::" } |
123 | ) |
124 | ) |
d01688cc |
125 | } ( |
126 | |
127 | @{ |
953f8eb0 |
128 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{linear_isa} |
d01688cc |
129 | ||= |
130 | mro::get_linear_isa($_[0]) |
131 | }, |
132 | |
133 | (( |
953f8eb0 |
134 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{is_universal} |
d01688cc |
135 | ||= |
136 | mro::is_universal($_[0]) |
137 | ) ? () : @{ |
953f8eb0 |
138 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{UNIVERSAL}{linear_isa} |
d01688cc |
139 | ||= |
140 | mro::get_linear_isa("UNIVERSAL") |
141 | } ), |
142 | |
143 | ) ) ) ) |
296248c3 |
144 | ); |
145 | }; |
37873f78 |
146 | } |
147 | else { |
148 | require mro; |
149 | constant->import( OLD_MRO => 0 ); |
296248c3 |
150 | *DBIx::Class::_Util::get_real_pkg_gen = \&mro::get_pkg_gen; |
37873f78 |
151 | } |
4b1b44c1 |
152 | |
153 | # Both of these are no longer used for anything. However bring |
154 | # them back after they were purged in 08a8d8f1, as there appear |
155 | # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/* |
156 | # in their production codebases. There is no point in breaking these |
157 | # if whatever they used actually continues to work |
4b1b44c1 |
158 | my $sigh = sub { |
c40b5744 |
159 | DBIx::Class::_Util::emit_loud_diag( |
160 | skip_frames => 1, |
161 | msg => "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" |
162 | ); |
4b1b44c1 |
163 | |
164 | 0; |
165 | }; |
166 | sub DBICTEST () { &$sigh } |
167 | sub PEEPEENESS () { &$sigh } |
37873f78 |
168 | } |
169 | |
3605497b |
170 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( DBIx::Class::_ENV_::PERL_VERSION < 5.010 ? 1 : 0); |
171 | |
841efcb3 |
172 | # FIXME - this is not supposed to be here |
173 | # Carp::Skip to the rescue soon |
174 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
175 | |
d7d45bdc |
176 | use B (); |
841efcb3 |
177 | use Carp 'croak'; |
d7d45bdc |
178 | use Storable 'nfreeze'; |
3d56e026 |
179 | use Scalar::Util qw(weaken blessed reftype refaddr); |
514b84f6 |
180 | use Sub::Name (); |
296248c3 |
181 | use attributes (); |
7f9a3f70 |
182 | |
6de81918 |
183 | # Usually versions are not specified anywhere aside the Makefile.PL |
184 | # (writing them out in-code is extremely obnoxious) |
185 | # However without a recent enough Moo the quote_sub override fails |
186 | # in very puzzling and hard to detect ways: so add a version check |
187 | # just this once |
188 | use Sub::Quote qw(qsub); |
189 | BEGIN { Sub::Quote->VERSION('2.002002') } |
190 | |
1c30a2e4 |
191 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
192 | BEGIN { *deep_clone = \&Storable::dclone } |
193 | |
b1dbf716 |
194 | use base 'Exporter'; |
3705e3b2 |
195 | our @EXPORT_OK = qw( |
d634850b |
196 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
197 | fail_on_internal_wantarray fail_on_internal_call |
86a432d4 |
198 | refdesc refcount hrefaddr set_subname get_subname describe_class_methods |
c40b5744 |
199 | scope_guard detected_reinvoked_destructor emit_loud_diag |
293cb2f1 |
200 | true false |
10be570e |
201 | is_exception dbic_internal_try visit_namespaces |
202 | quote_sub qsub perlstring serialize deep_clone dump_value uniq |
439a7283 |
203 | parent_dir mkdir_p |
facd0e8e |
204 | UNRESOLVABLE_CONDITION |
3705e3b2 |
205 | ); |
052a832c |
206 | |
facd0e8e |
207 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
208 | |
e85eb407 |
209 | # Override forcing no_defer, and adding naming consistency checks |
dc715747 |
210 | our %refs_closed_over_by_quote_sub_installed_crefs; |
e85eb407 |
211 | sub quote_sub { |
9642350a |
212 | Carp::confess( "Anonymous quoting not supported by the DBIC quote_sub override - supply a sub name" ) if |
e85eb407 |
213 | @_ < 2 |
214 | or |
215 | ! defined $_[1] |
216 | or |
217 | length ref $_[1] |
218 | ; |
219 | |
9642350a |
220 | Carp::confess( "The DBIC quote_sub override expects sub name '$_[0]' to be fully qualified" ) |
221 | unless (my $stash) = $_[0] =~ /^(.+)::/; |
222 | |
223 | Carp::confess( |
224 | "The DBIC sub_quote override does not support 'no_install'" |
225 | ) if ( |
226 | $_[3] |
227 | and |
228 | $_[3]->{no_install} |
229 | ); |
e85eb407 |
230 | |
9642350a |
231 | Carp::confess( |
232 | 'The DBIC quote_sub override expects the namespace-part of sub name ' |
233 | . "'$_[0]' to match the supplied package argument '$_[3]->{package}'" |
234 | ) if ( |
e85eb407 |
235 | $_[3] |
236 | and |
237 | defined $_[3]->{package} |
238 | and |
9642350a |
239 | $stash ne $_[3]->{package} |
240 | ); |
e85eb407 |
241 | |
242 | my @caller = caller(0); |
243 | my $sq_opts = { |
244 | package => $caller[0], |
245 | hints => $caller[8], |
246 | warning_bits => $caller[9], |
247 | hintshash => $caller[10], |
248 | %{ $_[3] || {} }, |
249 | |
250 | # explicitly forced for everything |
251 | no_defer => 1, |
252 | }; |
253 | |
dc715747 |
254 | weaken ( |
255 | # just use a growing counter, no need to perform neither compaction |
256 | # nor any special ithread-level handling |
257 | $refs_closed_over_by_quote_sub_installed_crefs |
258 | { scalar keys %refs_closed_over_by_quote_sub_installed_crefs } |
259 | = $_ |
260 | ) for grep { |
261 | length ref $_ |
262 | and |
263 | ( |
264 | ! DBIx::Class::_ENV_::BROKEN_WEAK_SCALARREF_VALUES |
265 | or |
266 | ref $_ ne 'SCALAR' |
267 | ) |
268 | } values %{ $_[2] || {} }; |
269 | |
9642350a |
270 | Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts ); |
e85eb407 |
271 | } |
272 | |
bf302897 |
273 | sub sigwarn_silencer ($) { |
052a832c |
274 | my $pattern = shift; |
275 | |
276 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
277 | |
278 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
279 | |
280 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
281 | } |
b1dbf716 |
282 | |
01b25f12 |
283 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
284 | |
3d56e026 |
285 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
286 | |
287 | sub refdesc ($) { |
288 | croak "Expecting a reference" if ! length ref $_[0]; |
289 | |
290 | # be careful not to trigger stringification, |
291 | # reuse @_ as a scratch-pad |
292 | sprintf '%s%s(0x%x)', |
293 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
294 | reftype $_[0], |
3d56e026 |
295 | refaddr($_[0]), |
8433421f |
296 | ; |
297 | } |
bf302897 |
298 | |
299 | sub refcount ($) { |
dac7972a |
300 | croak "Expecting a reference" if ! length ref $_[0]; |
301 | |
dac7972a |
302 | # No tempvars - must operate on $_[0], otherwise the pad |
303 | # will count as an extra ref |
304 | B::svref_2object($_[0])->REFCNT; |
305 | } |
306 | |
10be570e |
307 | sub visit_namespaces { |
308 | my $args = { (ref $_[0]) ? %{$_[0]} : @_ }; |
309 | |
310 | my $visited_count = 1; |
311 | |
312 | # A package and a namespace are subtly different things |
313 | $args->{package} ||= 'main'; |
314 | $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x; |
315 | $args->{package} =~ s/^:://; |
316 | |
317 | if ( $args->{action}->($args->{package}) ) { |
318 | my $ns = |
319 | ( ($args->{package} eq 'main') ? '' : $args->{package} ) |
320 | . |
321 | '::' |
322 | ; |
323 | |
324 | $visited_count += visit_namespaces( %$args, package => $_ ) for |
325 | grep |
326 | # this happens sometimes on %:: traversal |
327 | { $_ ne '::main' } |
328 | map |
329 | { $_ =~ /^(.+?)::$/ ? "$ns$1" : () } |
330 | do { no strict 'refs'; keys %$ns } |
331 | ; |
332 | } |
333 | |
334 | $visited_count; |
335 | } |
336 | |
86a432d4 |
337 | # FIXME In another life switch these to a polyfill like the ones in namespace::clean |
338 | sub get_subname ($) { |
339 | my $gv = B::svref_2object( $_[0] )->GV; |
340 | wantarray |
341 | ? ( $gv->STASH->NAME, $gv->NAME ) |
342 | : ( join '::', $gv->STASH->NAME, $gv->NAME ) |
343 | ; |
344 | } |
514b84f6 |
345 | sub set_subname ($$) { |
346 | |
347 | # fully qualify name |
348 | splice @_, 0, 1, caller(0) . "::$_[0]" |
349 | if $_[0] !~ /::|'/; |
350 | |
351 | &Sub::Name::subname; |
352 | } |
353 | |
b34d9331 |
354 | sub serialize ($) { |
b34d9331 |
355 | local $Storable::canonical = 1; |
d7d45bdc |
356 | nfreeze($_[0]); |
b34d9331 |
357 | } |
358 | |
10be570e |
359 | sub uniq { |
360 | my( %seen, $seen_undef, $numeric_preserving_copy ); |
361 | grep { not ( |
362 | defined $_ |
363 | ? $seen{ $numeric_preserving_copy = $_ }++ |
364 | : $seen_undef++ |
365 | ) } @_; |
366 | } |
367 | |
2d5ac3cf |
368 | my $dd_obj; |
8fc4291e |
369 | sub dump_value ($) { |
370 | local $Data::Dumper::Indent = 1 |
371 | unless defined $Data::Dumper::Indent; |
372 | |
2d5ac3cf |
373 | my $dump_str = ( |
8fc4291e |
374 | $dd_obj |
375 | ||= |
376 | do { |
377 | require Data::Dumper; |
378 | my $d = Data::Dumper->new([]) |
379 | ->Purity(0) |
380 | ->Pad('') |
381 | ->Useqq(1) |
382 | ->Terse(1) |
383 | ->Freezer('') |
384 | ->Quotekeys(0) |
385 | ->Bless('bless') |
386 | ->Pair(' => ') |
387 | ->Sortkeys(1) |
388 | ->Deparse(1) |
389 | ; |
390 | |
391 | $d->Sparseseen(1) if modver_gt_or_eq ( |
392 | 'Data::Dumper', '2.136' |
393 | ); |
394 | |
395 | $d; |
396 | } |
397 | )->Values([$_[0]])->Dump; |
398 | |
399 | $dd_obj->Reset->Values([]); |
400 | |
401 | $dump_str; |
402 | } |
403 | |
c40b5744 |
404 | my $seen_loud_screams; |
405 | sub emit_loud_diag { |
406 | my $args = { ref $_[0] eq 'HASH' ? %{$_[0]} : @_ }; |
407 | |
408 | unless ( defined $args->{msg} and length $args->{msg} ) { |
409 | emit_loud_diag( |
410 | msg => "No 'msg' value supplied to emit_loud_diag()" |
411 | ); |
412 | exit 70; |
413 | } |
414 | |
73f54e27 |
415 | my $msg = "\n" . join( ': ', |
416 | ( $0 eq '-e' ? () : $0 ), |
417 | $args->{msg} |
418 | ); |
c40b5744 |
419 | |
420 | # when we die - we usually want to keep doing it |
421 | $args->{emit_dups} = !!$args->{confess} |
422 | unless exists $args->{emit_dups}; |
423 | |
424 | local $Carp::CarpLevel = |
425 | ( $args->{skip_frames} || 0 ) |
426 | + |
427 | $Carp::CarpLevel |
428 | + |
429 | # hide our own frame |
430 | 1 |
431 | ; |
432 | |
433 | my $longmess = Carp::longmess(); |
434 | |
435 | # different object references will thwart deduplication without this |
436 | ( my $key = "${msg}\n${longmess}" ) =~ s/\b0x[0-9a-f]+\b/0x.../gi; |
437 | |
438 | return $seen_loud_screams->{$key} if |
439 | $seen_loud_screams->{$key}++ |
440 | and |
441 | ! $args->{emit_dups} |
442 | ; |
443 | |
444 | $msg .= $longmess |
445 | unless $msg =~ /\n\z/; |
446 | |
447 | print STDERR "$msg\n" |
448 | or |
449 | print STDOUT "\n!!!STDERR ISN'T WRITABLE!!!:$msg\n"; |
450 | |
451 | return $seen_loud_screams->{$key} |
452 | unless $args->{confess}; |
453 | |
454 | # increment *again*, because... Carp. |
455 | $Carp::CarpLevel++; |
456 | |
457 | # not $msg - Carp will reapply the longmess on its own |
458 | Carp::confess($args->{msg}); |
459 | } |
460 | |
461 | |
293cb2f1 |
462 | ### |
463 | ### This is *NOT* boolean.pm - deliberately not using a singleton |
464 | ### |
465 | { |
466 | package # hide from pause |
467 | DBIx::Class::_Util::_Bool; |
468 | use overload |
469 | bool => sub { ${$_[0]} }, |
470 | fallback => 1, |
471 | ; |
472 | } |
473 | sub true () { my $x = 1; bless \$x, "DBIx::Class::_Util::_Bool" } |
474 | sub false () { my $x = 0; bless \$x, "DBIx::Class::_Util::_Bool" } |
475 | |
bbf6a9a5 |
476 | sub scope_guard (&) { |
477 | croak 'Calling scope_guard() in void context makes no sense' |
478 | if ! defined wantarray; |
479 | |
480 | # no direct blessing of coderefs - DESTROY is buggy on those |
481 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
482 | } |
483 | { |
484 | package # |
485 | DBIx::Class::_Util::ScopeGuard; |
486 | |
487 | sub DESTROY { |
488 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
489 | |
490 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
491 | |
492 | eval { |
493 | $_[0]->[0]->(); |
494 | 1; |
118b2c36 |
495 | } |
496 | or |
c40b5744 |
497 | DBIx::Class::_Util::emit_loud_diag( |
498 | emit_dups => 1, |
499 | msg => "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@\n " |
118b2c36 |
500 | ); |
bbf6a9a5 |
501 | } |
502 | } |
503 | |
504 | |
841efcb3 |
505 | sub is_exception ($) { |
506 | my $e = $_[0]; |
507 | |
35cf7d1a |
508 | # FIXME |
a0414138 |
509 | # this is not strictly correct - an eval setting $@ to undef |
510 | # is *not* the same as an eval setting $@ to '' |
511 | # but for the sake of simplicity assume the following for |
512 | # the time being |
513 | return 0 unless defined $e; |
514 | |
841efcb3 |
515 | my ($not_blank, $suberror); |
516 | { |
5c33c8be |
517 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
518 | local $@; |
519 | eval { |
d52c4a75 |
520 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
521 | # will entirely obviate the need for the encolsing eval{}, as the |
522 | # condition we guard against is a missing fallback overload |
523 | $not_blank = ( $e ne '' ); |
841efcb3 |
524 | 1; |
525 | } or $suberror = $@; |
526 | } |
527 | |
528 | if (defined $suberror) { |
529 | if (length (my $class = blessed($e) )) { |
530 | carp_unique( sprintf( |
9bea2000 |
531 | 'External exception class %s implements partial (broken) overloading ' |
532 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
533 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
534 | . 'handling this type of brokenness is extremely dangerous on ' |
535 | . 'exception objects, as it may (and often does) result in silent ' |
536 | . '"exception substitution". DBIx::Class tries to work around this ' |
537 | . 'as much as possible, but other parts of your software stack may ' |
538 | . 'not be even aware of this. Please submit a bugreport against the ' |
539 | . 'distribution containing %s and in the meantime apply a fix similar ' |
540 | . 'to the one shown at %s, in order to ensure your exception handling ' |
541 | . 'is saner application-wide. What follows is the actual error text ' |
542 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
543 | $class, |
841efcb3 |
544 | $class, |
545 | 'http://v.gd/DBIC_overload_tempfix/', |
546 | $suberror, |
547 | )); |
548 | |
549 | # workaround, keeps spice flowing |
d52c4a75 |
550 | $not_blank = !!( length $e ); |
841efcb3 |
551 | } |
552 | else { |
553 | # not blessed yet failed the 'ne'... this makes 0 sense... |
554 | # just throw further |
555 | die $suberror |
556 | } |
557 | } |
84e4e006 |
558 | elsif ( |
559 | # a ref evaluating to '' is definitively a "null object" |
560 | ( not $not_blank ) |
561 | and |
562 | length( my $class = ref $e ) |
563 | ) { |
c40b5744 |
564 | carp_unique( |
565 | "Objects of external exception class '$class' stringify to '' (the " |
84e4e006 |
566 | . 'empty string), implementing the so called null-object-pattern. ' |
567 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
568 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
569 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
570 | . 'work around this as much as possible, but other parts of your ' |
571 | . 'software stack may not be even aware of the problem. Please submit ' |
c40b5744 |
572 | . "a bugreport against the distribution containing '$class'", |
573 | ); |
84e4e006 |
574 | |
575 | $not_blank = 1; |
576 | } |
841efcb3 |
577 | |
578 | return $not_blank; |
579 | } |
580 | |
3d56e026 |
581 | { |
ddcc02d1 |
582 | my $callstack_state; |
583 | |
584 | # Recreate the logic of try(), while reusing the catch()/finally() as-is |
585 | # |
586 | # FIXME: We need to move away from Try::Tiny entirely (way too heavy and |
587 | # yes, shows up ON TOP of profiles) but this is a batle for another maint |
588 | sub dbic_internal_try (&;@) { |
589 | |
590 | my $try_cref = shift; |
591 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
592 | |
593 | for my $arg (@_) { |
594 | |
595 | if( ref($arg) eq 'Try::Tiny::Catch' ) { |
596 | |
597 | croak 'dbic_internal_try() may not be followed by multiple catch() blocks' |
598 | if $catch_cref; |
599 | |
600 | $catch_cref = $$arg; |
601 | } |
602 | elsif ( ref($arg) eq 'Try::Tiny::Finally' ) { |
603 | croak 'dbic_internal_try() does not support finally{}'; |
604 | } |
605 | else { |
606 | croak( |
607 | 'dbic_internal_try() encountered an unexpected argument ' |
608 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
609 | . 'a missing semi-colon before or ' # trailing space important |
610 | ); |
611 | } |
612 | } |
613 | |
614 | my $wantarray = wantarray; |
615 | my $preexisting_exception = $@; |
616 | |
617 | my @ret; |
618 | my $all_good = eval { |
619 | $@ = $preexisting_exception; |
620 | |
621 | local $callstack_state->{in_internal_try} = 1 |
622 | unless $callstack_state->{in_internal_try}; |
623 | |
624 | # always unset - someone may have snuck it in |
5c33c8be |
625 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
626 | |
627 | if( $wantarray ) { |
628 | @ret = $try_cref->(); |
629 | } |
630 | elsif( defined $wantarray ) { |
631 | $ret[0] = $try_cref->(); |
632 | } |
633 | else { |
634 | $try_cref->(); |
635 | } |
636 | |
637 | 1; |
638 | }; |
639 | |
640 | my $exception = $@; |
641 | $@ = $preexisting_exception; |
642 | |
643 | if ( $all_good ) { |
644 | return $wantarray ? @ret : $ret[0] |
645 | } |
646 | elsif ( $catch_cref ) { |
647 | for ( $exception ) { |
648 | return $catch_cref->($exception); |
649 | } |
650 | } |
651 | |
652 | return; |
653 | } |
654 | |
655 | sub in_internal_try { !! $callstack_state->{in_internal_try} } |
656 | } |
657 | |
658 | { |
3d56e026 |
659 | my $destruction_registry = {}; |
660 | |
04c1a070 |
661 | sub DBIx::Class::__Util_iThreads_handler__::CLONE { |
d098704f |
662 | %$destruction_registry = map { |
663 | (defined $_) |
664 | ? ( refaddr($_) => $_ ) |
665 | : () |
666 | } values %$destruction_registry; |
d52fc26d |
667 | |
d098704f |
668 | weaken($_) for values %$destruction_registry; |
29211e03 |
669 | |
d52fc26d |
670 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
671 | # collected before leaving this scope. Depending on the code above, this |
672 | # may very well be just a preventive measure guarding future modifications |
673 | undef; |
3d56e026 |
674 | } |
675 | |
676 | # This is almost invariably invoked from within DESTROY |
677 | # throwing exceptions won't work |
e1d9e578 |
678 | sub detected_reinvoked_destructor { |
3d56e026 |
679 | |
680 | # quick "garbage collection" pass - prevents the registry |
681 | # from slowly growing with a bunch of undef-valued keys |
682 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
683 | for keys %$destruction_registry; |
684 | |
e1d9e578 |
685 | if (! length ref $_[0]) { |
c40b5744 |
686 | emit_loud_diag( |
687 | emit_dups => 1, |
688 | msg => (caller(0))[3] . '() expects a blessed reference' |
689 | ); |
3d56e026 |
690 | return undef; # don't know wtf to do |
691 | } |
e1d9e578 |
692 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
693 | weaken( $destruction_registry->{$addr} = $_[0] ); |
694 | return 0; |
695 | } |
696 | else { |
c40b5744 |
697 | emit_loud_diag( msg => sprintf ( |
3d56e026 |
698 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
699 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
700 | . 'application, affecting *ALL* classes without active protection against ' |
701 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
702 | refdesc $_[0], |
703 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
704 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
705 | : '' |
706 | ) |
707 | )); |
708 | |
709 | return 1; |
710 | } |
711 | } |
712 | } |
713 | |
7302b3e0 |
714 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
715 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
716 | |
bf302897 |
717 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
718 | my ($mod, $ver) = @_; |
719 | |
720 | croak "Nonsensical module name supplied" |
7302b3e0 |
721 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
722 | |
723 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
724 | if ! defined $ver or $ver !~ $ver_rx; |
725 | |
726 | no strict 'refs'; |
727 | my $ver_cache = ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= ( $mod->VERSION |
728 | ? {} |
729 | : croak "$mod does not seem to provide a version (perhaps it never loaded)" |
730 | ); |
731 | |
732 | ! defined $ver_cache->{$ver} |
733 | and |
734 | $ver_cache->{$ver} = do { |
b1dbf716 |
735 | |
7302b3e0 |
736 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
737 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
738 | |
5c33c8be |
739 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
740 | local $@; |
7302b3e0 |
741 | eval { $mod->VERSION($ver) } ? 1 : 0; |
742 | }; |
56270bba |
743 | |
7302b3e0 |
744 | $ver_cache->{$ver}; |
b1dbf716 |
745 | } |
746 | |
d634850b |
747 | sub modver_gt_or_eq_and_lt ($$$) { |
748 | my ($mod, $v_ge, $v_lt) = @_; |
749 | |
750 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
751 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
752 | |
753 | return ( |
754 | modver_gt_or_eq($mod, $v_ge) |
755 | and |
756 | ! modver_gt_or_eq($mod, $v_lt) |
757 | ) ? 1 : 0; |
758 | } |
759 | |
296248c3 |
760 | { |
296248c3 |
761 | |
762 | sub describe_class_methods { |
8eac247d |
763 | my $args = ( |
764 | ref $_[0] eq 'HASH' ? $_[0] |
765 | : ( @_ == 1 and ! length ref $_[0] ) ? { class => $_[0] } |
766 | : { @_ } |
767 | ); |
768 | |
769 | my ($class, $requested_mro) = @{$args}{qw( class use_mro )}; |
296248c3 |
770 | |
8eac247d |
771 | croak "Expecting a class name either as the sole argument or a 'class' option" |
5e67be26 |
772 | if not defined $class or $class !~ $module_name_rx; |
296248c3 |
773 | |
5f0174dc |
774 | croak( |
775 | "The supplied 'class' argument is tainted: this is *extremely* " |
776 | . 'dangerous, fix your code ASAP!!! ( for more details read through ' |
777 | . 'https://is.gd/perl_mro_taint_wtf )' |
778 | ) if ( |
779 | DBIx::Class::_ENV_::TAINT_MODE |
780 | and |
781 | Scalar::Util::tainted($class) |
782 | ); |
783 | |
1cf2ad8b |
784 | $requested_mro ||= mro::get_mro($class); |
785 | |
786 | # mro::set_mro() does not bump pkg_gen - WHAT THE FUCK?! |
787 | my $query_cache_key = "$class|$requested_mro"; |
788 | |
953f8eb0 |
789 | my $internal_cache_key = |
1cf2ad8b |
790 | ( mro::get_mro($class) eq $requested_mro ) |
791 | ? $class |
792 | : $query_cache_key |
793 | ; |
794 | |
296248c3 |
795 | # use a cache on old MRO, since while we are recursing in this function |
796 | # nothing can possibly change (the speedup is immense) |
797 | # (yes, people could be tie()ing the stash and adding methods on access |
798 | # but there is a limit to how much crazy can be supported here) |
799 | # |
800 | # we use the cache for linear_isa lookups on new MRO as well - it adds |
801 | # a *tiny* speedup, and simplifies the code a lot |
802 | # |
953f8eb0 |
803 | local $__describe_class_query_cache->{'!internal!'} = {} |
804 | unless $__describe_class_query_cache->{'!internal!'}; |
296248c3 |
805 | |
806 | my $my_gen = 0; |
807 | |
d01688cc |
808 | $my_gen += get_real_pkg_gen($_) for ( my @full_ISA = ( |
809 | |
810 | @{ |
953f8eb0 |
811 | $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} |
296248c3 |
812 | ||= |
1cf2ad8b |
813 | mro::get_linear_isa($class, $requested_mro) |
d01688cc |
814 | }, |
815 | |
816 | (( |
953f8eb0 |
817 | $__describe_class_query_cache->{'!internal!'}{$class}{is_universal} |
d01688cc |
818 | ||= |
819 | mro::is_universal($class) |
820 | ) ? () : @{ |
953f8eb0 |
821 | $__describe_class_query_cache->{'!internal!'}{UNIVERSAL}{linear_isa} |
d01688cc |
822 | ||= |
823 | mro::get_linear_isa("UNIVERSAL") |
824 | }), |
825 | |
826 | )); |
296248c3 |
827 | |
953f8eb0 |
828 | my $slot = $__describe_class_query_cache->{$query_cache_key} ||= {}; |
296248c3 |
829 | |
830 | unless ( ($slot->{cumulative_gen}||0) == $my_gen ) { |
831 | |
832 | # reset |
833 | %$slot = ( |
834 | class => $class, |
2603b495 |
835 | isa => { map { $_ => 1 } @full_ISA }, |
836 | linear_isa => [ |
953f8eb0 |
837 | @{ $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} } |
838 | [ 1 .. $#{$__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}} ] |
d01688cc |
839 | ], |
296248c3 |
840 | mro => { |
1cf2ad8b |
841 | type => $requested_mro, |
842 | is_c3 => ( ($requested_mro eq 'c3') ? 1 : 0 ), |
296248c3 |
843 | }, |
844 | cumulative_gen => $my_gen, |
845 | ); |
296248c3 |
846 | |
2603b495 |
847 | # remove ourselves from ISA |
848 | shift @full_ISA; |
849 | |
296248c3 |
850 | # ensure the cache is populated for the parents, code below can then |
851 | # efficiently operate over the query_cache directly |
d01688cc |
852 | describe_class_methods($_) for reverse @full_ISA; |
296248c3 |
853 | |
296248c3 |
854 | no strict 'refs'; |
855 | |
856 | # combine full ISA-order inherited and local method list into a |
857 | # "shadowing stack" |
858 | |
859 | ( |
085dbdd6 |
860 | unshift @{ $slot->{methods}{$_->{name}} }, $_ |
296248c3 |
861 | |
862 | and |
863 | |
085dbdd6 |
864 | ( |
865 | $_->{via_class} ne $class |
866 | or |
867 | $slot->{methods_defined_in_class}{$_->{name}} = $_ |
868 | ) |
296248c3 |
869 | |
870 | and |
871 | |
872 | @{ $slot->{methods}{$_->{name}} } > 1 |
873 | |
874 | and |
875 | |
876 | $slot->{methods_with_supers}{$_->{name}} = $slot->{methods}{$_->{name}} |
877 | |
878 | ) for ( |
879 | |
d01688cc |
880 | # what describe_class_methods for @full_ISA produced above |
085dbdd6 |
881 | ( map { values %{ |
953f8eb0 |
882 | $__describe_class_query_cache->{$_}{methods_defined_in_class} || {} |
1cf2ad8b |
883 | } } map { "$_|" . mro::get_mro($_) } reverse @full_ISA ), |
296248c3 |
884 | |
885 | # our own non-cleaned subs + their attributes |
886 | ( map { |
887 | ( |
1c179556 |
888 | # need to account for dummy helper crefs under OLD_MRO |
296248c3 |
889 | ( |
1c179556 |
890 | ! DBIx::Class::_ENV_::OLD_MRO |
296248c3 |
891 | or |
1c179556 |
892 | ! ( ( $Class::C3::MRO{$class} || {} )->{methods}{$_} ) |
296248c3 |
893 | ) |
894 | and |
1c179556 |
895 | # these 2 OR-ed checks are sufficient for 5.10+ |
296248c3 |
896 | ( |
1c179556 |
897 | ref(\ "${class}::"->{$_} ) ne 'GLOB' |
296248c3 |
898 | or |
1c179556 |
899 | defined( *{ "${class}::"->{$_} }{CODE} ) |
296248c3 |
900 | ) |
901 | ) ? { |
902 | via_class => $class, |
903 | name => $_, |
92705f7f |
904 | attributes => { map { $_ => 1 } do { |
905 | my @attrs; |
906 | local $@; |
907 | local $SIG{__DIE__} if $SIG{__DIE__}; |
908 | # attributes::get may throw on blessed-false crefs :/ |
909 | eval { @attrs = attributes::get( \&{"${class}::${_}"} ); 1 } |
910 | or warn "Unable to determine attributes of the \\&${class}::$_ method due to following error: $@"; |
911 | @attrs; |
912 | } }, |
296248c3 |
913 | } |
914 | : () |
915 | } keys %{"${class}::"} ) |
916 | ); |
917 | |
918 | |
919 | # recalculate the pkg_gen on newer perls under Taint mode, |
920 | # because of shit like: |
921 | # perl -T -Mmro -e 'package Foo; sub bar {}; defined( *{ "Foo::"->{bar}}{CODE} ) and warn mro::get_pkg_gen("Foo") for (1,2,3)' |
922 | # |
923 | if ( |
924 | ! DBIx::Class::_ENV_::OLD_MRO |
925 | and |
5f0174dc |
926 | DBIx::Class::_ENV_::TAINT_MODE |
296248c3 |
927 | ) { |
928 | |
929 | $slot->{cumulative_gen} = 0; |
930 | $slot->{cumulative_gen} += get_real_pkg_gen($_) |
d01688cc |
931 | for $class, @full_ISA; |
296248c3 |
932 | } |
933 | } |
934 | |
935 | # RV |
936 | +{ %$slot }; |
937 | } |
938 | } |
939 | |
e3be2b6f |
940 | |
941 | # |
942 | # Why not just use some higher-level module or at least File::Spec here? |
943 | # Because: |
944 | # 1) This is a *very* rarely used function, and the deptree is large |
945 | # enough already as it is |
946 | # |
947 | # 2) (more importantly) Our tooling is utter shit in this area. There |
948 | # is no comprehensive support for UNC paths in PathTools and there |
949 | # are also various small bugs in representation across different |
950 | # path-manipulation CPAN offerings. |
951 | # |
952 | # Since this routine is strictly used for logical path processing (it |
953 | # *must* be able to work with not-yet-existing paths), use this seemingly |
954 | # simple but I *think* complete implementation to feed to other consumers |
955 | # |
956 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
957 | # the impulse to bring in an external dependency. During runtime there |
958 | # is exactly one spot that could potentially maybe once in a blue moon |
959 | # use this function. Keep it lean. |
960 | # |
961 | sub parent_dir ($) { |
962 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
963 | ? ( |
964 | $_[0] |
965 | . |
966 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
967 | . |
968 | '../' |
969 | ) |
970 | : ( |
971 | require File::Spec |
972 | and |
973 | File::Spec->catpath ( |
974 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
975 | '/', |
976 | ) |
977 | ) |
978 | ; |
979 | } |
980 | |
439a7283 |
981 | sub mkdir_p ($) { |
982 | require File::Path; |
983 | # do not ask for a recent version, use 1.x API calls |
984 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
985 | } |
986 | |
e3be2b6f |
987 | |
a9da9b6a |
988 | { |
989 | my $list_ctx_ok_stack_marker; |
990 | |
e89c7968 |
991 | sub fail_on_internal_wantarray () { |
a9da9b6a |
992 | return if $list_ctx_ok_stack_marker; |
993 | |
994 | if (! defined wantarray) { |
995 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
996 | } |
997 | |
998 | my $cf = 1; |
821edc09 |
999 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
1000 | |
1001 | # these are public API parts that alter behavior on wantarray |
1002 | search | search_related | slice | search_literal |
1003 | |
1004 | | |
1005 | |
1006 | # these are explicitly prefixed, since we only recognize them as valid |
1007 | # escapes when they come from the guts of CDBICompat |
1008 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
1009 | |
1010 | ) $/x ) { |
1011 | $cf++; |
1012 | } |
1013 | |
e89c7968 |
1014 | my ($fr, $want, $argdesc); |
1015 | { |
1016 | package DB; |
821edc09 |
1017 | $fr = [ CORE::caller($cf) ]; |
1018 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
1019 | $argdesc = ref $DB::args[0] |
1020 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1021 | : 'non ' |
1022 | ; |
1023 | }; |
1024 | |
a9da9b6a |
1025 | if ( |
e89c7968 |
1026 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
1027 | ) { |
a9da9b6a |
1028 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
1029 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
1030 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
1031 | ), 'with_stacktrace'); |
1032 | } |
1033 | |
d098704f |
1034 | weaken( $list_ctx_ok_stack_marker = my $mark = [] ); |
1035 | |
a9da9b6a |
1036 | $mark; |
1037 | } |
1038 | } |
1039 | |
77c3a5dc |
1040 | sub fail_on_internal_call { |
1041 | my ($fr, $argdesc); |
1042 | { |
1043 | package DB; |
821edc09 |
1044 | $fr = [ CORE::caller(1) ]; |
e570488a |
1045 | $argdesc = |
1046 | ( not defined $DB::args[0] ) ? 'UNAVAILABLE' |
1047 | : ( length ref $DB::args[0] ) ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1048 | : $DB::args[0] . '' |
77c3a5dc |
1049 | ; |
1050 | }; |
1051 | |
3b020224 |
1052 | my @fr2; |
1053 | # need to make allowance for a proxy-yet-direct call |
1054 | my $check_fr = ( |
1055 | $fr->[0] eq 'DBIx::Class::ResultSourceProxy' |
1056 | and |
1057 | @fr2 = (CORE::caller(2)) |
1058 | and |
1059 | ( |
1060 | ( $fr->[3] =~ /([^:])+$/ )[0] |
1061 | eq |
1062 | ( $fr2[3] =~ /([^:])+$/ )[0] |
1063 | ) |
1064 | ) |
1065 | ? \@fr2 |
1066 | : $fr |
1067 | ; |
1068 | |
1b822bd3 |
1069 | |
1070 | die "\nMethod $fr->[3] is not marked with the 'DBIC_method_is_indirect_sugar' attribute\n\n" unless ( |
1071 | |
1072 | # unlikely but who knows... |
1073 | ! @$fr |
1074 | |
1075 | or |
1076 | |
1077 | # This is a weird-ass double-purpose method, only one branch of which is marked |
1078 | # as an illegal indirect call |
1079 | # Hence the 'indirect' attribute makes no sense |
1080 | # FIXME - likely need to mark this in some other manner |
1081 | $fr->[3] eq 'DBIx::Class::ResultSet::new' |
1082 | |
1083 | or |
1084 | |
1085 | # RsrcProxy stuff is special and not attr-annotated on purpose |
1086 | # Yet it is marked (correctly) as fail_on_internal_call(), as DBIC |
1087 | # itself should not call these methods as first-entry |
1088 | $fr->[3] =~ /^DBIx::Class::ResultSourceProxy::[^:]+$/ |
1089 | |
1090 | or |
1091 | |
1092 | # FIXME - there is likely a more fine-graned way to escape "foreign" |
1093 | # callers, based on annotations... (albeit a slower one) |
1094 | # For the time being just skip in a dumb way |
1095 | $fr->[3] !~ /^DBIx::Class|^DBICx::|^DBICTest::/ |
1096 | |
1097 | or |
1098 | |
1099 | grep |
1100 | { $_ eq 'DBIC_method_is_indirect_sugar' } |
1101 | do { no strict 'refs'; attributes::get( \&{ $fr->[3] }) } |
1102 | ); |
1103 | |
1104 | |
77c3a5dc |
1105 | if ( |
e570488a |
1106 | defined $fr->[0] |
77c3a5dc |
1107 | and |
3b020224 |
1108 | $check_fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
77c3a5dc |
1109 | and |
3b020224 |
1110 | $check_fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
77c3a5dc |
1111 | ) { |
1112 | DBIx::Class::Exception->throw( sprintf ( |
e5053694 |
1113 | "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", |
77c3a5dc |
1114 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
1115 | require B::Deparse; |
1116 | no strict 'refs'; |
1117 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
1118 | }), |
1119 | ), 'with_stacktrace'); |
1120 | } |
1121 | } |
1122 | |
534aff61 |
1123 | if (DBIx::Class::_ENV_::ASSERT_NO_ERRONEOUS_METAINSTANCE_USE) { |
1124 | |
1125 | no warnings 'redefine'; |
1126 | |
1127 | my $next_bless = defined(&CORE::GLOBAL::bless) |
1128 | ? \&CORE::GLOBAL::bless |
1129 | : sub { CORE::bless($_[0], $_[1]) } |
1130 | ; |
1131 | |
1132 | *CORE::GLOBAL::bless = sub { |
1133 | my $class = (@_ > 1) ? $_[1] : CORE::caller(); |
1134 | |
1135 | # allow for reblessing (role application) |
1136 | return $next_bless->( $_[0], $class ) |
1137 | if defined blessed $_[0]; |
1138 | |
1139 | my $obj = $next_bless->( $_[0], $class ); |
1140 | |
1141 | my $calling_sub = (CORE::caller(1))[3] || ''; |
1142 | |
1143 | ( |
1144 | # before 5.18 ->isa() will choke on the "0" package |
1145 | # which we test for in several obscure cases, sigh... |
1146 | !( DBIx::Class::_ENV_::PERL_VERSION < 5.018 ) |
1147 | or |
1148 | $class |
1149 | ) |
1150 | and |
1151 | ( |
1152 | ( |
1153 | $calling_sub !~ /^ (?: |
1154 | DBIx::Class::Schema::clone |
1155 | | |
1156 | DBIx::Class::DB::setup_schema_instance |
1157 | )/x |
1158 | and |
1159 | $class->isa("DBIx::Class::Schema") |
1160 | ) |
1161 | or |
1162 | ( |
1163 | $calling_sub ne 'DBIx::Class::ResultSource::new' |
1164 | and |
1165 | $class->isa("DBIx::Class::ResultSource") |
1166 | ) |
1167 | ) |
1168 | and |
1169 | local $Carp::CarpLevel = $Carp::CarpLevel + 1 |
1170 | and |
1171 | Carp::confess("Improper instantiation of '$obj': you *MUST* call the corresponding constructor"); |
1172 | |
1173 | |
1174 | $obj; |
1175 | }; |
1176 | } |
1177 | |
b1dbf716 |
1178 | 1; |