Commit | Line | Data |
b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
b78ed1e4 |
4 | # load es early as we can, usually a noop |
5 | use DBIx::Class::StartupCheck; |
399b9455 |
6 | |
b1dbf716 |
7 | use warnings; |
8 | use strict; |
9 | |
953f8eb0 |
10 | # For the love of everything that is crab-like: DO NOT reach into this |
11 | # The entire thing is really fragile and should not be screwed with |
12 | # unless absolutely and unavoidably necessary |
13 | our $__describe_class_query_cache; |
296248c3 |
14 | |
37873f78 |
15 | BEGIN { |
16 | package # hide from pause |
17 | DBIx::Class::_ENV_; |
18 | |
19 | use Config; |
20 | |
21 | use constant { |
3605497b |
22 | PERL_VERSION => "$]", |
23 | OS_NAME => "$^O", |
24 | }; |
25 | |
26 | use constant { |
37873f78 |
27 | |
28 | # but of course |
3605497b |
29 | BROKEN_FORK => (OS_NAME eq 'MSWin32') ? 1 : 0, |
37873f78 |
30 | |
3605497b |
31 | BROKEN_GOTO => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
8d73fcd4 |
32 | |
7bba735d |
33 | # perl -MScalar::Util=weaken -e 'weaken( $hash{key} = \"value" )' |
3605497b |
34 | BROKEN_WEAK_SCALARREF_VALUES => ( PERL_VERSION < 5.008003 ) ? 1 : 0, |
7bba735d |
35 | |
37873f78 |
36 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
37 | |
5f0174dc |
38 | TAINT_MODE => 0 + ${^TAINT}, # tri-state: 0, 1, -1 |
39 | |
3605497b |
40 | UNSTABLE_DOLLARAT => ( PERL_VERSION < 5.013002 ) ? 1 : 0, |
bbf6a9a5 |
41 | |
db83437e |
42 | ( map |
43 | # |
44 | # the "DBIC_" prefix below is crucial - this is what makes CI pick up |
45 | # all envvars without further adjusting its scripts |
46 | # DO NOT CHANGE to the more logical { $_ => !!( $ENV{"DBIC_$_"} ) } |
47 | # |
48 | { substr($_, 5) => !!( $ENV{$_} ) } |
49 | qw( |
50 | DBIC_SHUFFLE_UNORDERED_RESULTSETS |
51 | DBIC_ASSERT_NO_INTERNAL_WANTARRAY |
52 | DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS |
534aff61 |
53 | DBIC_ASSERT_NO_ERRONEOUS_METAINSTANCE_USE |
12e7015a |
54 | DBIC_ASSERT_NO_FAILING_SANITY_CHECKS |
db83437e |
55 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
56 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
57 | ) |
58 | ), |
f45dc928 |
59 | |
37873f78 |
60 | IV_SIZE => $Config{ivsize}, |
61 | }; |
62 | |
3605497b |
63 | if ( PERL_VERSION < 5.009_005) { |
37873f78 |
64 | require MRO::Compat; |
65 | constant->import( OLD_MRO => 1 ); |
296248c3 |
66 | |
67 | # |
68 | # Yes, I know this is a rather PHP-ish name, but please first read |
69 | # https://metacpan.org/source/BOBTFISH/MRO-Compat-0.12/lib/MRO/Compat.pm#L363-368 |
70 | # |
71 | # Even if we are using Class::C3::XS it still won't work, as doing |
72 | # defined( *{ "SubClass::"->{$_} }{CODE} ) |
73 | # will set pkg_gen to the same value for SubClass and *ALL PARENTS* |
74 | # |
75 | *DBIx::Class::_Util::get_real_pkg_gen = sub ($) { |
76 | require Digest::MD5; |
77 | require Math::BigInt; |
78 | |
953f8eb0 |
79 | my $cur_class; |
80 | no strict 'refs'; |
81 | |
296248c3 |
82 | # the non-assign-unless-there-is-a-hash is deliberate |
953f8eb0 |
83 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{gen} ||= ( |
296248c3 |
84 | Math::BigInt->new( '0x' . ( Digest::MD5::md5_hex( join "\0", map { |
85 | |
953f8eb0 |
86 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_}{methlist} ||= ( |
87 | |
88 | $cur_class = $_ |
296248c3 |
89 | |
953f8eb0 |
90 | and |
1c179556 |
91 | |
92 | # RV to be hashed up and turned into a number |
93 | join "\0", ( |
953f8eb0 |
94 | $cur_class, |
296248c3 |
95 | map |
1c179556 |
96 | {( |
97 | # stringification should be sufficient, ignore names/refaddr entirely |
98 | $_, |
92705f7f |
99 | do { |
100 | my @attrs; |
101 | local $@; |
102 | local $SIG{__DIE__} if $SIG{__DIE__}; |
103 | # attributes::get may throw on blessed-false crefs :/ |
104 | eval { @attrs = attributes::get( $_ ); 1 } |
105 | or warn "Unable to determine attributes of coderef $_ due to the following error: $@"; |
106 | @attrs; |
107 | }, |
1c179556 |
108 | )} |
296248c3 |
109 | map |
1c179556 |
110 | {( |
111 | # skip dummy C::C3 helper crefs |
953f8eb0 |
112 | ! ( ( $Class::C3::MRO{$cur_class} || {} )->{methods}{$_} ) |
1c179556 |
113 | and |
296248c3 |
114 | ( |
953f8eb0 |
115 | ref(\ "${cur_class}::"->{$_} ) ne 'GLOB' |
296248c3 |
116 | or |
953f8eb0 |
117 | defined( *{ "${cur_class}::"->{$_} }{CODE} ) |
296248c3 |
118 | ) |
1c179556 |
119 | ) |
953f8eb0 |
120 | ? ( \&{"${cur_class}::$_"} ) |
296248c3 |
121 | : () |
122 | } |
953f8eb0 |
123 | keys %{ "${cur_class}::" } |
124 | ) |
125 | ) |
d01688cc |
126 | } ( |
127 | |
128 | @{ |
953f8eb0 |
129 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{linear_isa} |
d01688cc |
130 | ||= |
131 | mro::get_linear_isa($_[0]) |
132 | }, |
133 | |
134 | (( |
953f8eb0 |
135 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{is_universal} |
d01688cc |
136 | ||= |
137 | mro::is_universal($_[0]) |
138 | ) ? () : @{ |
953f8eb0 |
139 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{UNIVERSAL}{linear_isa} |
d01688cc |
140 | ||= |
141 | mro::get_linear_isa("UNIVERSAL") |
142 | } ), |
143 | |
144 | ) ) ) ) |
296248c3 |
145 | ); |
146 | }; |
37873f78 |
147 | } |
148 | else { |
149 | require mro; |
150 | constant->import( OLD_MRO => 0 ); |
296248c3 |
151 | *DBIx::Class::_Util::get_real_pkg_gen = \&mro::get_pkg_gen; |
37873f78 |
152 | } |
4b1b44c1 |
153 | |
154 | # Both of these are no longer used for anything. However bring |
155 | # them back after they were purged in 08a8d8f1, as there appear |
156 | # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/* |
157 | # in their production codebases. There is no point in breaking these |
158 | # if whatever they used actually continues to work |
4b1b44c1 |
159 | my $sigh = sub { |
c40b5744 |
160 | DBIx::Class::_Util::emit_loud_diag( |
161 | skip_frames => 1, |
162 | msg => "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" |
163 | ); |
4b1b44c1 |
164 | |
165 | 0; |
166 | }; |
167 | sub DBICTEST () { &$sigh } |
168 | sub PEEPEENESS () { &$sigh } |
37873f78 |
169 | } |
170 | |
3605497b |
171 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( DBIx::Class::_ENV_::PERL_VERSION < 5.010 ? 1 : 0); |
172 | |
841efcb3 |
173 | # FIXME - this is not supposed to be here |
174 | # Carp::Skip to the rescue soon |
175 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
176 | |
b78ed1e4 |
177 | # Ensure it is always there, in case we need to do a $schema-less throw() |
178 | use DBIx::Class::Exception (); |
179 | |
d7d45bdc |
180 | use B (); |
841efcb3 |
181 | use Carp 'croak'; |
d7d45bdc |
182 | use Storable 'nfreeze'; |
3d56e026 |
183 | use Scalar::Util qw(weaken blessed reftype refaddr); |
514b84f6 |
184 | use Sub::Name (); |
296248c3 |
185 | use attributes (); |
7f9a3f70 |
186 | |
6de81918 |
187 | # Usually versions are not specified anywhere aside the Makefile.PL |
188 | # (writing them out in-code is extremely obnoxious) |
189 | # However without a recent enough Moo the quote_sub override fails |
190 | # in very puzzling and hard to detect ways: so add a version check |
191 | # just this once |
192 | use Sub::Quote qw(qsub); |
193 | BEGIN { Sub::Quote->VERSION('2.002002') } |
194 | |
1c30a2e4 |
195 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
196 | BEGIN { *deep_clone = \&Storable::dclone } |
197 | |
b1dbf716 |
198 | use base 'Exporter'; |
3705e3b2 |
199 | our @EXPORT_OK = qw( |
d634850b |
200 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
201 | fail_on_internal_wantarray fail_on_internal_call |
86a432d4 |
202 | refdesc refcount hrefaddr set_subname get_subname describe_class_methods |
c40b5744 |
203 | scope_guard detected_reinvoked_destructor emit_loud_diag |
293cb2f1 |
204 | true false |
e2741c7f |
205 | is_exception dbic_internal_try dbic_internal_catch visit_namespaces |
10be570e |
206 | quote_sub qsub perlstring serialize deep_clone dump_value uniq |
439a7283 |
207 | parent_dir mkdir_p |
facd0e8e |
208 | UNRESOLVABLE_CONDITION |
3705e3b2 |
209 | ); |
052a832c |
210 | |
facd0e8e |
211 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
212 | |
e85eb407 |
213 | # Override forcing no_defer, and adding naming consistency checks |
dc715747 |
214 | our %refs_closed_over_by_quote_sub_installed_crefs; |
e85eb407 |
215 | sub quote_sub { |
9642350a |
216 | Carp::confess( "Anonymous quoting not supported by the DBIC quote_sub override - supply a sub name" ) if |
e85eb407 |
217 | @_ < 2 |
218 | or |
219 | ! defined $_[1] |
220 | or |
221 | length ref $_[1] |
222 | ; |
223 | |
9642350a |
224 | Carp::confess( "The DBIC quote_sub override expects sub name '$_[0]' to be fully qualified" ) |
225 | unless (my $stash) = $_[0] =~ /^(.+)::/; |
226 | |
227 | Carp::confess( |
228 | "The DBIC sub_quote override does not support 'no_install'" |
229 | ) if ( |
230 | $_[3] |
231 | and |
232 | $_[3]->{no_install} |
233 | ); |
e85eb407 |
234 | |
9642350a |
235 | Carp::confess( |
236 | 'The DBIC quote_sub override expects the namespace-part of sub name ' |
237 | . "'$_[0]' to match the supplied package argument '$_[3]->{package}'" |
238 | ) if ( |
e85eb407 |
239 | $_[3] |
240 | and |
241 | defined $_[3]->{package} |
242 | and |
9642350a |
243 | $stash ne $_[3]->{package} |
244 | ); |
e85eb407 |
245 | |
246 | my @caller = caller(0); |
247 | my $sq_opts = { |
248 | package => $caller[0], |
249 | hints => $caller[8], |
250 | warning_bits => $caller[9], |
251 | hintshash => $caller[10], |
252 | %{ $_[3] || {} }, |
253 | |
254 | # explicitly forced for everything |
255 | no_defer => 1, |
256 | }; |
257 | |
dc715747 |
258 | weaken ( |
259 | # just use a growing counter, no need to perform neither compaction |
260 | # nor any special ithread-level handling |
261 | $refs_closed_over_by_quote_sub_installed_crefs |
262 | { scalar keys %refs_closed_over_by_quote_sub_installed_crefs } |
263 | = $_ |
264 | ) for grep { |
265 | length ref $_ |
266 | and |
267 | ( |
268 | ! DBIx::Class::_ENV_::BROKEN_WEAK_SCALARREF_VALUES |
269 | or |
270 | ref $_ ne 'SCALAR' |
271 | ) |
272 | } values %{ $_[2] || {} }; |
273 | |
9642350a |
274 | Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts ); |
e85eb407 |
275 | } |
276 | |
bf302897 |
277 | sub sigwarn_silencer ($) { |
052a832c |
278 | my $pattern = shift; |
279 | |
280 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
281 | |
282 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
283 | |
284 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
285 | } |
b1dbf716 |
286 | |
01b25f12 |
287 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
288 | |
3d56e026 |
289 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
290 | |
291 | sub refdesc ($) { |
292 | croak "Expecting a reference" if ! length ref $_[0]; |
293 | |
294 | # be careful not to trigger stringification, |
295 | # reuse @_ as a scratch-pad |
296 | sprintf '%s%s(0x%x)', |
297 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
298 | reftype $_[0], |
3d56e026 |
299 | refaddr($_[0]), |
8433421f |
300 | ; |
301 | } |
bf302897 |
302 | |
303 | sub refcount ($) { |
dac7972a |
304 | croak "Expecting a reference" if ! length ref $_[0]; |
305 | |
dac7972a |
306 | # No tempvars - must operate on $_[0], otherwise the pad |
307 | # will count as an extra ref |
308 | B::svref_2object($_[0])->REFCNT; |
309 | } |
310 | |
10be570e |
311 | sub visit_namespaces { |
312 | my $args = { (ref $_[0]) ? %{$_[0]} : @_ }; |
313 | |
314 | my $visited_count = 1; |
315 | |
316 | # A package and a namespace are subtly different things |
317 | $args->{package} ||= 'main'; |
318 | $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x; |
319 | $args->{package} =~ s/^:://; |
320 | |
321 | if ( $args->{action}->($args->{package}) ) { |
322 | my $ns = |
323 | ( ($args->{package} eq 'main') ? '' : $args->{package} ) |
324 | . |
325 | '::' |
326 | ; |
327 | |
328 | $visited_count += visit_namespaces( %$args, package => $_ ) for |
329 | grep |
330 | # this happens sometimes on %:: traversal |
331 | { $_ ne '::main' } |
332 | map |
333 | { $_ =~ /^(.+?)::$/ ? "$ns$1" : () } |
334 | do { no strict 'refs'; keys %$ns } |
335 | ; |
336 | } |
337 | |
338 | $visited_count; |
339 | } |
340 | |
86a432d4 |
341 | # FIXME In another life switch these to a polyfill like the ones in namespace::clean |
342 | sub get_subname ($) { |
343 | my $gv = B::svref_2object( $_[0] )->GV; |
344 | wantarray |
345 | ? ( $gv->STASH->NAME, $gv->NAME ) |
346 | : ( join '::', $gv->STASH->NAME, $gv->NAME ) |
347 | ; |
348 | } |
514b84f6 |
349 | sub set_subname ($$) { |
350 | |
351 | # fully qualify name |
352 | splice @_, 0, 1, caller(0) . "::$_[0]" |
353 | if $_[0] !~ /::|'/; |
354 | |
355 | &Sub::Name::subname; |
356 | } |
357 | |
b34d9331 |
358 | sub serialize ($) { |
d6c13bfd |
359 | # stable hash order |
b34d9331 |
360 | local $Storable::canonical = 1; |
d6c13bfd |
361 | |
362 | # explicitly false - there is nothing sensible that can come out of |
363 | # an attempt at CODE serialization |
364 | local $Storable::Deparse; |
365 | |
366 | # take no chances |
367 | local $Storable::forgive_me; |
368 | |
369 | # FIXME |
370 | # A number of codepaths *expect* this to be Storable.pm-based so that |
371 | # the STORABLE_freeze hooks in the metadata subtree get executed properly |
d7d45bdc |
372 | nfreeze($_[0]); |
b34d9331 |
373 | } |
374 | |
10be570e |
375 | sub uniq { |
376 | my( %seen, $seen_undef, $numeric_preserving_copy ); |
377 | grep { not ( |
378 | defined $_ |
379 | ? $seen{ $numeric_preserving_copy = $_ }++ |
380 | : $seen_undef++ |
381 | ) } @_; |
382 | } |
383 | |
2d5ac3cf |
384 | my $dd_obj; |
8fc4291e |
385 | sub dump_value ($) { |
386 | local $Data::Dumper::Indent = 1 |
387 | unless defined $Data::Dumper::Indent; |
388 | |
2d5ac3cf |
389 | my $dump_str = ( |
8fc4291e |
390 | $dd_obj |
391 | ||= |
392 | do { |
393 | require Data::Dumper; |
394 | my $d = Data::Dumper->new([]) |
395 | ->Purity(0) |
396 | ->Pad('') |
397 | ->Useqq(1) |
398 | ->Terse(1) |
399 | ->Freezer('') |
400 | ->Quotekeys(0) |
401 | ->Bless('bless') |
402 | ->Pair(' => ') |
403 | ->Sortkeys(1) |
404 | ->Deparse(1) |
405 | ; |
406 | |
d6c13bfd |
407 | # FIXME - this is kinda ridiculous - there ought to be a |
408 | # Data::Dumper->new_with_defaults or somesuch... |
409 | # |
410 | if( modver_gt_or_eq ( 'Data::Dumper', '2.136' ) ) { |
411 | $d->Sparseseen(1); |
412 | |
413 | if( modver_gt_or_eq ( 'Data::Dumper', '2.153' ) ) { |
414 | $d->Maxrecurse(1000); |
415 | |
416 | if( modver_gt_or_eq ( 'Data::Dumper', '2.160' ) ) { |
417 | $d->Trailingcomma(1); |
418 | } |
419 | } |
420 | } |
8fc4291e |
421 | |
422 | $d; |
423 | } |
424 | )->Values([$_[0]])->Dump; |
425 | |
426 | $dd_obj->Reset->Values([]); |
427 | |
428 | $dump_str; |
429 | } |
430 | |
c40b5744 |
431 | my $seen_loud_screams; |
432 | sub emit_loud_diag { |
433 | my $args = { ref $_[0] eq 'HASH' ? %{$_[0]} : @_ }; |
434 | |
435 | unless ( defined $args->{msg} and length $args->{msg} ) { |
436 | emit_loud_diag( |
437 | msg => "No 'msg' value supplied to emit_loud_diag()" |
438 | ); |
439 | exit 70; |
440 | } |
441 | |
73f54e27 |
442 | my $msg = "\n" . join( ': ', |
443 | ( $0 eq '-e' ? () : $0 ), |
444 | $args->{msg} |
445 | ); |
c40b5744 |
446 | |
447 | # when we die - we usually want to keep doing it |
448 | $args->{emit_dups} = !!$args->{confess} |
449 | unless exists $args->{emit_dups}; |
450 | |
451 | local $Carp::CarpLevel = |
452 | ( $args->{skip_frames} || 0 ) |
453 | + |
454 | $Carp::CarpLevel |
455 | + |
456 | # hide our own frame |
457 | 1 |
458 | ; |
459 | |
460 | my $longmess = Carp::longmess(); |
461 | |
462 | # different object references will thwart deduplication without this |
463 | ( my $key = "${msg}\n${longmess}" ) =~ s/\b0x[0-9a-f]+\b/0x.../gi; |
464 | |
465 | return $seen_loud_screams->{$key} if |
466 | $seen_loud_screams->{$key}++ |
467 | and |
468 | ! $args->{emit_dups} |
469 | ; |
470 | |
471 | $msg .= $longmess |
472 | unless $msg =~ /\n\z/; |
473 | |
474 | print STDERR "$msg\n" |
475 | or |
476 | print STDOUT "\n!!!STDERR ISN'T WRITABLE!!!:$msg\n"; |
477 | |
478 | return $seen_loud_screams->{$key} |
479 | unless $args->{confess}; |
480 | |
481 | # increment *again*, because... Carp. |
482 | $Carp::CarpLevel++; |
483 | |
484 | # not $msg - Carp will reapply the longmess on its own |
485 | Carp::confess($args->{msg}); |
486 | } |
487 | |
488 | |
293cb2f1 |
489 | ### |
490 | ### This is *NOT* boolean.pm - deliberately not using a singleton |
491 | ### |
492 | { |
493 | package # hide from pause |
494 | DBIx::Class::_Util::_Bool; |
495 | use overload |
496 | bool => sub { ${$_[0]} }, |
497 | fallback => 1, |
498 | ; |
499 | } |
500 | sub true () { my $x = 1; bless \$x, "DBIx::Class::_Util::_Bool" } |
501 | sub false () { my $x = 0; bless \$x, "DBIx::Class::_Util::_Bool" } |
502 | |
bbf6a9a5 |
503 | sub scope_guard (&) { |
504 | croak 'Calling scope_guard() in void context makes no sense' |
505 | if ! defined wantarray; |
506 | |
507 | # no direct blessing of coderefs - DESTROY is buggy on those |
508 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
509 | } |
510 | { |
511 | package # |
512 | DBIx::Class::_Util::ScopeGuard; |
513 | |
514 | sub DESTROY { |
515 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
516 | |
517 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
518 | |
519 | eval { |
520 | $_[0]->[0]->(); |
521 | 1; |
118b2c36 |
522 | } |
523 | or |
c40b5744 |
524 | DBIx::Class::_Util::emit_loud_diag( |
525 | emit_dups => 1, |
526 | msg => "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@\n " |
118b2c36 |
527 | ); |
bbf6a9a5 |
528 | } |
529 | } |
530 | |
531 | |
841efcb3 |
532 | sub is_exception ($) { |
533 | my $e = $_[0]; |
534 | |
35cf7d1a |
535 | # FIXME |
a0414138 |
536 | # this is not strictly correct - an eval setting $@ to undef |
537 | # is *not* the same as an eval setting $@ to '' |
538 | # but for the sake of simplicity assume the following for |
539 | # the time being |
540 | return 0 unless defined $e; |
541 | |
841efcb3 |
542 | my ($not_blank, $suberror); |
543 | { |
5c33c8be |
544 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
545 | local $@; |
546 | eval { |
d52c4a75 |
547 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
548 | # will entirely obviate the need for the encolsing eval{}, as the |
549 | # condition we guard against is a missing fallback overload |
550 | $not_blank = ( $e ne '' ); |
841efcb3 |
551 | 1; |
552 | } or $suberror = $@; |
553 | } |
554 | |
555 | if (defined $suberror) { |
556 | if (length (my $class = blessed($e) )) { |
557 | carp_unique( sprintf( |
9bea2000 |
558 | 'External exception class %s implements partial (broken) overloading ' |
559 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
560 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
561 | . 'handling this type of brokenness is extremely dangerous on ' |
562 | . 'exception objects, as it may (and often does) result in silent ' |
563 | . '"exception substitution". DBIx::Class tries to work around this ' |
564 | . 'as much as possible, but other parts of your software stack may ' |
565 | . 'not be even aware of this. Please submit a bugreport against the ' |
566 | . 'distribution containing %s and in the meantime apply a fix similar ' |
567 | . 'to the one shown at %s, in order to ensure your exception handling ' |
568 | . 'is saner application-wide. What follows is the actual error text ' |
569 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
570 | $class, |
841efcb3 |
571 | $class, |
572 | 'http://v.gd/DBIC_overload_tempfix/', |
573 | $suberror, |
574 | )); |
575 | |
576 | # workaround, keeps spice flowing |
d52c4a75 |
577 | $not_blank = !!( length $e ); |
841efcb3 |
578 | } |
579 | else { |
580 | # not blessed yet failed the 'ne'... this makes 0 sense... |
581 | # just throw further |
582 | die $suberror |
583 | } |
584 | } |
84e4e006 |
585 | elsif ( |
586 | # a ref evaluating to '' is definitively a "null object" |
587 | ( not $not_blank ) |
588 | and |
589 | length( my $class = ref $e ) |
590 | ) { |
c40b5744 |
591 | carp_unique( |
592 | "Objects of external exception class '$class' stringify to '' (the " |
84e4e006 |
593 | . 'empty string), implementing the so called null-object-pattern. ' |
594 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
595 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
596 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
597 | . 'work around this as much as possible, but other parts of your ' |
598 | . 'software stack may not be even aware of the problem. Please submit ' |
c40b5744 |
599 | . "a bugreport against the distribution containing '$class'", |
600 | ); |
84e4e006 |
601 | |
602 | $not_blank = 1; |
603 | } |
841efcb3 |
604 | |
605 | return $not_blank; |
606 | } |
607 | |
3d56e026 |
608 | { |
ddcc02d1 |
609 | my $callstack_state; |
610 | |
e2741c7f |
611 | # Recreate the logic of Try::Tiny, but without the crazy Sub::Name |
612 | # invocations and without support for finally() altogether |
613 | # ( yes, these days Try::Tiny is so "tiny" it shows *ON TOP* of most |
614 | # random profiles https://youtu.be/PYCbumw0Fis?t=1919 ) |
ddcc02d1 |
615 | sub dbic_internal_try (&;@) { |
616 | |
617 | my $try_cref = shift; |
618 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
619 | |
620 | for my $arg (@_) { |
621 | |
e2741c7f |
622 | croak 'dbic_internal_try() may not be followed by multiple dbic_internal_catch() blocks' |
623 | if $catch_cref; |
ddcc02d1 |
624 | |
e2741c7f |
625 | ($catch_cref = $$arg), next |
626 | if ref($arg) eq 'DBIx::Class::_Util::Catch'; |
ddcc02d1 |
627 | |
e2741c7f |
628 | croak( 'Mixing dbic_internal_try() with Try::Tiny::catch() is not supported' ) |
629 | if ref($arg) eq 'Try::Tiny::Catch'; |
630 | |
631 | croak( 'dbic_internal_try() does not support finally{}' ) |
632 | if ref($arg) eq 'Try::Tiny::Finally'; |
633 | |
634 | croak( |
635 | 'dbic_internal_try() encountered an unexpected argument ' |
636 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
637 | . 'a missing semi-colon before or ' # trailing space important |
638 | ); |
ddcc02d1 |
639 | } |
640 | |
641 | my $wantarray = wantarray; |
642 | my $preexisting_exception = $@; |
643 | |
644 | my @ret; |
e2741c7f |
645 | my $saul_goodman = eval { |
ddcc02d1 |
646 | $@ = $preexisting_exception; |
647 | |
648 | local $callstack_state->{in_internal_try} = 1 |
649 | unless $callstack_state->{in_internal_try}; |
650 | |
651 | # always unset - someone may have snuck it in |
5c33c8be |
652 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
653 | |
654 | if( $wantarray ) { |
655 | @ret = $try_cref->(); |
656 | } |
657 | elsif( defined $wantarray ) { |
658 | $ret[0] = $try_cref->(); |
659 | } |
660 | else { |
661 | $try_cref->(); |
662 | } |
663 | |
664 | 1; |
665 | }; |
666 | |
667 | my $exception = $@; |
668 | $@ = $preexisting_exception; |
669 | |
e2741c7f |
670 | if ( $saul_goodman ) { |
ddcc02d1 |
671 | return $wantarray ? @ret : $ret[0] |
672 | } |
673 | elsif ( $catch_cref ) { |
674 | for ( $exception ) { |
675 | return $catch_cref->($exception); |
676 | } |
677 | } |
678 | |
679 | return; |
680 | } |
681 | |
e2741c7f |
682 | sub dbic_internal_catch (&;@) { |
683 | |
684 | croak( 'Useless use of bare dbic_internal_catch()' ) |
685 | unless wantarray; |
686 | |
687 | croak( 'dbic_internal_catch() must receive exactly one argument at end of expression' ) |
688 | if @_ > 1; |
689 | |
690 | bless( |
691 | \( $_[0] ), |
692 | 'DBIx::Class::_Util::Catch' |
693 | ), |
694 | } |
695 | |
696 | sub in_internal_try () { |
697 | !! $callstack_state->{in_internal_try} |
698 | } |
ddcc02d1 |
699 | } |
700 | |
701 | { |
3d56e026 |
702 | my $destruction_registry = {}; |
703 | |
04c1a070 |
704 | sub DBIx::Class::__Util_iThreads_handler__::CLONE { |
d098704f |
705 | %$destruction_registry = map { |
706 | (defined $_) |
707 | ? ( refaddr($_) => $_ ) |
708 | : () |
709 | } values %$destruction_registry; |
d52fc26d |
710 | |
d098704f |
711 | weaken($_) for values %$destruction_registry; |
29211e03 |
712 | |
d52fc26d |
713 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
714 | # collected before leaving this scope. Depending on the code above, this |
715 | # may very well be just a preventive measure guarding future modifications |
716 | undef; |
3d56e026 |
717 | } |
718 | |
719 | # This is almost invariably invoked from within DESTROY |
720 | # throwing exceptions won't work |
e1d9e578 |
721 | sub detected_reinvoked_destructor { |
3d56e026 |
722 | |
723 | # quick "garbage collection" pass - prevents the registry |
724 | # from slowly growing with a bunch of undef-valued keys |
725 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
726 | for keys %$destruction_registry; |
727 | |
e1d9e578 |
728 | if (! length ref $_[0]) { |
c40b5744 |
729 | emit_loud_diag( |
730 | emit_dups => 1, |
731 | msg => (caller(0))[3] . '() expects a blessed reference' |
732 | ); |
3d56e026 |
733 | return undef; # don't know wtf to do |
734 | } |
e1d9e578 |
735 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
736 | weaken( $destruction_registry->{$addr} = $_[0] ); |
737 | return 0; |
738 | } |
739 | else { |
c40b5744 |
740 | emit_loud_diag( msg => sprintf ( |
3d56e026 |
741 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
742 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
743 | . 'application, affecting *ALL* classes without active protection against ' |
744 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
745 | refdesc $_[0], |
746 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
747 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
748 | : '' |
749 | ) |
750 | )); |
751 | |
752 | return 1; |
753 | } |
754 | } |
755 | } |
756 | |
7302b3e0 |
757 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
758 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
759 | |
bf302897 |
760 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
761 | my ($mod, $ver) = @_; |
762 | |
763 | croak "Nonsensical module name supplied" |
7302b3e0 |
764 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
765 | |
766 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
767 | if ! defined $ver or $ver !~ $ver_rx; |
768 | |
d6c13bfd |
769 | my $ver_cache = do { |
770 | no strict 'refs'; |
771 | ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= {} |
772 | }; |
7302b3e0 |
773 | |
774 | ! defined $ver_cache->{$ver} |
775 | and |
776 | $ver_cache->{$ver} = do { |
b1dbf716 |
777 | |
7302b3e0 |
778 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
779 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
780 | |
d6c13bfd |
781 | # prevent captures by potential __WARN__ hooks or the like: |
782 | # there is nothing of value that can be happening here, and |
783 | # leaving a hook in-place can only serve to fail some test |
784 | local $SIG{__WARN__} if ( |
785 | ! SPURIOUS_VERSION_CHECK_WARNINGS |
786 | and |
787 | $SIG{__WARN__} |
788 | ); |
789 | |
790 | croak "$mod does not seem to provide a version (perhaps it never loaded)" |
791 | unless $mod->VERSION; |
792 | |
5c33c8be |
793 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
794 | local $@; |
7302b3e0 |
795 | eval { $mod->VERSION($ver) } ? 1 : 0; |
796 | }; |
56270bba |
797 | |
7302b3e0 |
798 | $ver_cache->{$ver}; |
b1dbf716 |
799 | } |
800 | |
d634850b |
801 | sub modver_gt_or_eq_and_lt ($$$) { |
802 | my ($mod, $v_ge, $v_lt) = @_; |
803 | |
804 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
805 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
806 | |
807 | return ( |
808 | modver_gt_or_eq($mod, $v_ge) |
809 | and |
810 | ! modver_gt_or_eq($mod, $v_lt) |
811 | ) ? 1 : 0; |
812 | } |
813 | |
296248c3 |
814 | { |
296248c3 |
815 | |
816 | sub describe_class_methods { |
8eac247d |
817 | my $args = ( |
818 | ref $_[0] eq 'HASH' ? $_[0] |
819 | : ( @_ == 1 and ! length ref $_[0] ) ? { class => $_[0] } |
820 | : { @_ } |
821 | ); |
822 | |
823 | my ($class, $requested_mro) = @{$args}{qw( class use_mro )}; |
296248c3 |
824 | |
8eac247d |
825 | croak "Expecting a class name either as the sole argument or a 'class' option" |
5e67be26 |
826 | if not defined $class or $class !~ $module_name_rx; |
296248c3 |
827 | |
5f0174dc |
828 | croak( |
829 | "The supplied 'class' argument is tainted: this is *extremely* " |
830 | . 'dangerous, fix your code ASAP!!! ( for more details read through ' |
831 | . 'https://is.gd/perl_mro_taint_wtf )' |
832 | ) if ( |
833 | DBIx::Class::_ENV_::TAINT_MODE |
834 | and |
835 | Scalar::Util::tainted($class) |
836 | ); |
837 | |
1cf2ad8b |
838 | $requested_mro ||= mro::get_mro($class); |
839 | |
840 | # mro::set_mro() does not bump pkg_gen - WHAT THE FUCK?! |
841 | my $query_cache_key = "$class|$requested_mro"; |
842 | |
953f8eb0 |
843 | my $internal_cache_key = |
1cf2ad8b |
844 | ( mro::get_mro($class) eq $requested_mro ) |
845 | ? $class |
846 | : $query_cache_key |
847 | ; |
848 | |
296248c3 |
849 | # use a cache on old MRO, since while we are recursing in this function |
850 | # nothing can possibly change (the speedup is immense) |
851 | # (yes, people could be tie()ing the stash and adding methods on access |
852 | # but there is a limit to how much crazy can be supported here) |
853 | # |
854 | # we use the cache for linear_isa lookups on new MRO as well - it adds |
855 | # a *tiny* speedup, and simplifies the code a lot |
856 | # |
953f8eb0 |
857 | local $__describe_class_query_cache->{'!internal!'} = {} |
858 | unless $__describe_class_query_cache->{'!internal!'}; |
296248c3 |
859 | |
860 | my $my_gen = 0; |
861 | |
d01688cc |
862 | $my_gen += get_real_pkg_gen($_) for ( my @full_ISA = ( |
863 | |
864 | @{ |
953f8eb0 |
865 | $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} |
296248c3 |
866 | ||= |
1cf2ad8b |
867 | mro::get_linear_isa($class, $requested_mro) |
d01688cc |
868 | }, |
869 | |
870 | (( |
953f8eb0 |
871 | $__describe_class_query_cache->{'!internal!'}{$class}{is_universal} |
d01688cc |
872 | ||= |
873 | mro::is_universal($class) |
874 | ) ? () : @{ |
953f8eb0 |
875 | $__describe_class_query_cache->{'!internal!'}{UNIVERSAL}{linear_isa} |
d01688cc |
876 | ||= |
877 | mro::get_linear_isa("UNIVERSAL") |
878 | }), |
879 | |
880 | )); |
296248c3 |
881 | |
953f8eb0 |
882 | my $slot = $__describe_class_query_cache->{$query_cache_key} ||= {}; |
296248c3 |
883 | |
884 | unless ( ($slot->{cumulative_gen}||0) == $my_gen ) { |
885 | |
886 | # reset |
887 | %$slot = ( |
888 | class => $class, |
2603b495 |
889 | isa => { map { $_ => 1 } @full_ISA }, |
890 | linear_isa => [ |
953f8eb0 |
891 | @{ $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} } |
892 | [ 1 .. $#{$__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}} ] |
d01688cc |
893 | ], |
296248c3 |
894 | mro => { |
1cf2ad8b |
895 | type => $requested_mro, |
896 | is_c3 => ( ($requested_mro eq 'c3') ? 1 : 0 ), |
296248c3 |
897 | }, |
898 | cumulative_gen => $my_gen, |
899 | ); |
296248c3 |
900 | |
2603b495 |
901 | # remove ourselves from ISA |
902 | shift @full_ISA; |
903 | |
296248c3 |
904 | # ensure the cache is populated for the parents, code below can then |
905 | # efficiently operate over the query_cache directly |
d01688cc |
906 | describe_class_methods($_) for reverse @full_ISA; |
296248c3 |
907 | |
296248c3 |
908 | no strict 'refs'; |
909 | |
910 | # combine full ISA-order inherited and local method list into a |
911 | # "shadowing stack" |
912 | |
913 | ( |
085dbdd6 |
914 | unshift @{ $slot->{methods}{$_->{name}} }, $_ |
296248c3 |
915 | |
916 | and |
917 | |
085dbdd6 |
918 | ( |
919 | $_->{via_class} ne $class |
920 | or |
921 | $slot->{methods_defined_in_class}{$_->{name}} = $_ |
922 | ) |
296248c3 |
923 | |
924 | and |
925 | |
926 | @{ $slot->{methods}{$_->{name}} } > 1 |
927 | |
928 | and |
929 | |
930 | $slot->{methods_with_supers}{$_->{name}} = $slot->{methods}{$_->{name}} |
931 | |
932 | ) for ( |
933 | |
d01688cc |
934 | # what describe_class_methods for @full_ISA produced above |
085dbdd6 |
935 | ( map { values %{ |
953f8eb0 |
936 | $__describe_class_query_cache->{$_}{methods_defined_in_class} || {} |
1cf2ad8b |
937 | } } map { "$_|" . mro::get_mro($_) } reverse @full_ISA ), |
296248c3 |
938 | |
939 | # our own non-cleaned subs + their attributes |
940 | ( map { |
941 | ( |
1c179556 |
942 | # need to account for dummy helper crefs under OLD_MRO |
296248c3 |
943 | ( |
1c179556 |
944 | ! DBIx::Class::_ENV_::OLD_MRO |
296248c3 |
945 | or |
1c179556 |
946 | ! ( ( $Class::C3::MRO{$class} || {} )->{methods}{$_} ) |
296248c3 |
947 | ) |
948 | and |
1c179556 |
949 | # these 2 OR-ed checks are sufficient for 5.10+ |
296248c3 |
950 | ( |
1c179556 |
951 | ref(\ "${class}::"->{$_} ) ne 'GLOB' |
296248c3 |
952 | or |
1c179556 |
953 | defined( *{ "${class}::"->{$_} }{CODE} ) |
296248c3 |
954 | ) |
955 | ) ? { |
956 | via_class => $class, |
957 | name => $_, |
92705f7f |
958 | attributes => { map { $_ => 1 } do { |
959 | my @attrs; |
960 | local $@; |
961 | local $SIG{__DIE__} if $SIG{__DIE__}; |
962 | # attributes::get may throw on blessed-false crefs :/ |
963 | eval { @attrs = attributes::get( \&{"${class}::${_}"} ); 1 } |
964 | or warn "Unable to determine attributes of the \\&${class}::$_ method due to following error: $@"; |
965 | @attrs; |
966 | } }, |
296248c3 |
967 | } |
968 | : () |
969 | } keys %{"${class}::"} ) |
970 | ); |
971 | |
972 | |
973 | # recalculate the pkg_gen on newer perls under Taint mode, |
974 | # because of shit like: |
975 | # perl -T -Mmro -e 'package Foo; sub bar {}; defined( *{ "Foo::"->{bar}}{CODE} ) and warn mro::get_pkg_gen("Foo") for (1,2,3)' |
976 | # |
977 | if ( |
978 | ! DBIx::Class::_ENV_::OLD_MRO |
979 | and |
5f0174dc |
980 | DBIx::Class::_ENV_::TAINT_MODE |
296248c3 |
981 | ) { |
982 | |
983 | $slot->{cumulative_gen} = 0; |
984 | $slot->{cumulative_gen} += get_real_pkg_gen($_) |
d01688cc |
985 | for $class, @full_ISA; |
296248c3 |
986 | } |
987 | } |
988 | |
989 | # RV |
990 | +{ %$slot }; |
991 | } |
992 | } |
993 | |
e3be2b6f |
994 | |
995 | # |
996 | # Why not just use some higher-level module or at least File::Spec here? |
997 | # Because: |
998 | # 1) This is a *very* rarely used function, and the deptree is large |
999 | # enough already as it is |
1000 | # |
1001 | # 2) (more importantly) Our tooling is utter shit in this area. There |
1002 | # is no comprehensive support for UNC paths in PathTools and there |
1003 | # are also various small bugs in representation across different |
1004 | # path-manipulation CPAN offerings. |
1005 | # |
1006 | # Since this routine is strictly used for logical path processing (it |
1007 | # *must* be able to work with not-yet-existing paths), use this seemingly |
1008 | # simple but I *think* complete implementation to feed to other consumers |
1009 | # |
1010 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
1011 | # the impulse to bring in an external dependency. During runtime there |
1012 | # is exactly one spot that could potentially maybe once in a blue moon |
1013 | # use this function. Keep it lean. |
1014 | # |
1015 | sub parent_dir ($) { |
1016 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
1017 | ? ( |
1018 | $_[0] |
1019 | . |
1020 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
1021 | . |
1022 | '../' |
1023 | ) |
1024 | : ( |
1025 | require File::Spec |
1026 | and |
1027 | File::Spec->catpath ( |
1028 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
1029 | '/', |
1030 | ) |
1031 | ) |
1032 | ; |
1033 | } |
1034 | |
439a7283 |
1035 | sub mkdir_p ($) { |
1036 | require File::Path; |
1037 | # do not ask for a recent version, use 1.x API calls |
1038 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
1039 | } |
1040 | |
e3be2b6f |
1041 | |
a9da9b6a |
1042 | { |
1043 | my $list_ctx_ok_stack_marker; |
1044 | |
e89c7968 |
1045 | sub fail_on_internal_wantarray () { |
a9da9b6a |
1046 | return if $list_ctx_ok_stack_marker; |
1047 | |
1048 | if (! defined wantarray) { |
1049 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
1050 | } |
1051 | |
1052 | my $cf = 1; |
821edc09 |
1053 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
1054 | |
1055 | # these are public API parts that alter behavior on wantarray |
1056 | search | search_related | slice | search_literal |
1057 | |
1058 | | |
1059 | |
1060 | # these are explicitly prefixed, since we only recognize them as valid |
1061 | # escapes when they come from the guts of CDBICompat |
1062 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
1063 | |
1064 | ) $/x ) { |
1065 | $cf++; |
1066 | } |
1067 | |
e89c7968 |
1068 | my ($fr, $want, $argdesc); |
1069 | { |
1070 | package DB; |
821edc09 |
1071 | $fr = [ CORE::caller($cf) ]; |
1072 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
1073 | $argdesc = ref $DB::args[0] |
1074 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1075 | : 'non ' |
1076 | ; |
1077 | }; |
1078 | |
a9da9b6a |
1079 | if ( |
e89c7968 |
1080 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
1081 | ) { |
a9da9b6a |
1082 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
1083 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
1084 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
1085 | ), 'with_stacktrace'); |
1086 | } |
1087 | |
d098704f |
1088 | weaken( $list_ctx_ok_stack_marker = my $mark = [] ); |
1089 | |
a9da9b6a |
1090 | $mark; |
1091 | } |
1092 | } |
1093 | |
77c3a5dc |
1094 | sub fail_on_internal_call { |
1095 | my ($fr, $argdesc); |
1096 | { |
1097 | package DB; |
821edc09 |
1098 | $fr = [ CORE::caller(1) ]; |
e570488a |
1099 | $argdesc = |
1100 | ( not defined $DB::args[0] ) ? 'UNAVAILABLE' |
1101 | : ( length ref $DB::args[0] ) ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1102 | : $DB::args[0] . '' |
77c3a5dc |
1103 | ; |
1104 | }; |
1105 | |
3b020224 |
1106 | my @fr2; |
1107 | # need to make allowance for a proxy-yet-direct call |
1108 | my $check_fr = ( |
1109 | $fr->[0] eq 'DBIx::Class::ResultSourceProxy' |
1110 | and |
1111 | @fr2 = (CORE::caller(2)) |
1112 | and |
1113 | ( |
1114 | ( $fr->[3] =~ /([^:])+$/ )[0] |
1115 | eq |
1116 | ( $fr2[3] =~ /([^:])+$/ )[0] |
1117 | ) |
1118 | ) |
1119 | ? \@fr2 |
1120 | : $fr |
1121 | ; |
1122 | |
1b822bd3 |
1123 | |
1124 | die "\nMethod $fr->[3] is not marked with the 'DBIC_method_is_indirect_sugar' attribute\n\n" unless ( |
1125 | |
1126 | # unlikely but who knows... |
1127 | ! @$fr |
1128 | |
1129 | or |
1130 | |
1131 | # This is a weird-ass double-purpose method, only one branch of which is marked |
1132 | # as an illegal indirect call |
1133 | # Hence the 'indirect' attribute makes no sense |
1134 | # FIXME - likely need to mark this in some other manner |
1135 | $fr->[3] eq 'DBIx::Class::ResultSet::new' |
1136 | |
1137 | or |
1138 | |
1139 | # RsrcProxy stuff is special and not attr-annotated on purpose |
1140 | # Yet it is marked (correctly) as fail_on_internal_call(), as DBIC |
1141 | # itself should not call these methods as first-entry |
1142 | $fr->[3] =~ /^DBIx::Class::ResultSourceProxy::[^:]+$/ |
1143 | |
1144 | or |
1145 | |
1146 | # FIXME - there is likely a more fine-graned way to escape "foreign" |
1147 | # callers, based on annotations... (albeit a slower one) |
1148 | # For the time being just skip in a dumb way |
1149 | $fr->[3] !~ /^DBIx::Class|^DBICx::|^DBICTest::/ |
1150 | |
1151 | or |
1152 | |
1153 | grep |
1154 | { $_ eq 'DBIC_method_is_indirect_sugar' } |
1155 | do { no strict 'refs'; attributes::get( \&{ $fr->[3] }) } |
1156 | ); |
1157 | |
1158 | |
77c3a5dc |
1159 | if ( |
e570488a |
1160 | defined $fr->[0] |
77c3a5dc |
1161 | and |
3b020224 |
1162 | $check_fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
77c3a5dc |
1163 | and |
3b020224 |
1164 | $check_fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
77c3a5dc |
1165 | ) { |
1166 | DBIx::Class::Exception->throw( sprintf ( |
e5053694 |
1167 | "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 |
1168 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
1169 | require B::Deparse; |
1170 | no strict 'refs'; |
1171 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
1172 | }), |
1173 | ), 'with_stacktrace'); |
1174 | } |
1175 | } |
1176 | |
534aff61 |
1177 | if (DBIx::Class::_ENV_::ASSERT_NO_ERRONEOUS_METAINSTANCE_USE) { |
1178 | |
1179 | no warnings 'redefine'; |
1180 | |
1181 | my $next_bless = defined(&CORE::GLOBAL::bless) |
1182 | ? \&CORE::GLOBAL::bless |
1183 | : sub { CORE::bless($_[0], $_[1]) } |
1184 | ; |
1185 | |
1186 | *CORE::GLOBAL::bless = sub { |
1187 | my $class = (@_ > 1) ? $_[1] : CORE::caller(); |
1188 | |
1189 | # allow for reblessing (role application) |
1190 | return $next_bless->( $_[0], $class ) |
1191 | if defined blessed $_[0]; |
1192 | |
1193 | my $obj = $next_bless->( $_[0], $class ); |
1194 | |
1195 | my $calling_sub = (CORE::caller(1))[3] || ''; |
1196 | |
1197 | ( |
1198 | # before 5.18 ->isa() will choke on the "0" package |
1199 | # which we test for in several obscure cases, sigh... |
1200 | !( DBIx::Class::_ENV_::PERL_VERSION < 5.018 ) |
1201 | or |
1202 | $class |
1203 | ) |
1204 | and |
1205 | ( |
1206 | ( |
1207 | $calling_sub !~ /^ (?: |
1208 | DBIx::Class::Schema::clone |
1209 | | |
1210 | DBIx::Class::DB::setup_schema_instance |
1211 | )/x |
1212 | and |
1213 | $class->isa("DBIx::Class::Schema") |
1214 | ) |
1215 | or |
1216 | ( |
1217 | $calling_sub ne 'DBIx::Class::ResultSource::new' |
1218 | and |
1219 | $class->isa("DBIx::Class::ResultSource") |
1220 | ) |
1221 | ) |
1222 | and |
1223 | local $Carp::CarpLevel = $Carp::CarpLevel + 1 |
1224 | and |
1225 | Carp::confess("Improper instantiation of '$obj': you *MUST* call the corresponding constructor"); |
1226 | |
1227 | |
1228 | $obj; |
1229 | }; |
1230 | } |
1231 | |
b1dbf716 |
1232 | 1; |