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 |
a3ae79ed |
55 | DBIC_ASSERT_NO_INCONSISTENT_RELATIONSHIP_RESOLUTION |
db83437e |
56 | DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE |
57 | DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE |
58 | ) |
59 | ), |
f45dc928 |
60 | |
37873f78 |
61 | IV_SIZE => $Config{ivsize}, |
62 | }; |
63 | |
3605497b |
64 | if ( PERL_VERSION < 5.009_005) { |
37873f78 |
65 | require MRO::Compat; |
66 | constant->import( OLD_MRO => 1 ); |
296248c3 |
67 | |
68 | # |
69 | # Yes, I know this is a rather PHP-ish name, but please first read |
70 | # https://metacpan.org/source/BOBTFISH/MRO-Compat-0.12/lib/MRO/Compat.pm#L363-368 |
71 | # |
72 | # Even if we are using Class::C3::XS it still won't work, as doing |
73 | # defined( *{ "SubClass::"->{$_} }{CODE} ) |
74 | # will set pkg_gen to the same value for SubClass and *ALL PARENTS* |
75 | # |
76 | *DBIx::Class::_Util::get_real_pkg_gen = sub ($) { |
77 | require Digest::MD5; |
78 | require Math::BigInt; |
79 | |
953f8eb0 |
80 | my $cur_class; |
81 | no strict 'refs'; |
82 | |
296248c3 |
83 | # the non-assign-unless-there-is-a-hash is deliberate |
953f8eb0 |
84 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{gen} ||= ( |
296248c3 |
85 | Math::BigInt->new( '0x' . ( Digest::MD5::md5_hex( join "\0", map { |
86 | |
953f8eb0 |
87 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_}{methlist} ||= ( |
88 | |
89 | $cur_class = $_ |
296248c3 |
90 | |
953f8eb0 |
91 | and |
1c179556 |
92 | |
93 | # RV to be hashed up and turned into a number |
94 | join "\0", ( |
953f8eb0 |
95 | $cur_class, |
296248c3 |
96 | map |
1c179556 |
97 | {( |
98 | # stringification should be sufficient, ignore names/refaddr entirely |
99 | $_, |
92705f7f |
100 | do { |
101 | my @attrs; |
102 | local $@; |
103 | local $SIG{__DIE__} if $SIG{__DIE__}; |
104 | # attributes::get may throw on blessed-false crefs :/ |
105 | eval { @attrs = attributes::get( $_ ); 1 } |
106 | or warn "Unable to determine attributes of coderef $_ due to the following error: $@"; |
107 | @attrs; |
108 | }, |
1c179556 |
109 | )} |
296248c3 |
110 | map |
1c179556 |
111 | {( |
112 | # skip dummy C::C3 helper crefs |
953f8eb0 |
113 | ! ( ( $Class::C3::MRO{$cur_class} || {} )->{methods}{$_} ) |
1c179556 |
114 | and |
296248c3 |
115 | ( |
953f8eb0 |
116 | ref(\ "${cur_class}::"->{$_} ) ne 'GLOB' |
296248c3 |
117 | or |
953f8eb0 |
118 | defined( *{ "${cur_class}::"->{$_} }{CODE} ) |
296248c3 |
119 | ) |
1c179556 |
120 | ) |
953f8eb0 |
121 | ? ( \&{"${cur_class}::$_"} ) |
296248c3 |
122 | : () |
123 | } |
953f8eb0 |
124 | keys %{ "${cur_class}::" } |
125 | ) |
126 | ) |
d01688cc |
127 | } ( |
128 | |
129 | @{ |
953f8eb0 |
130 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{linear_isa} |
d01688cc |
131 | ||= |
132 | mro::get_linear_isa($_[0]) |
133 | }, |
134 | |
135 | (( |
953f8eb0 |
136 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{$_[0]}{is_universal} |
d01688cc |
137 | ||= |
138 | mro::is_universal($_[0]) |
139 | ) ? () : @{ |
953f8eb0 |
140 | ( $__describe_class_query_cache->{'!internal!'} || {} )->{UNIVERSAL}{linear_isa} |
d01688cc |
141 | ||= |
142 | mro::get_linear_isa("UNIVERSAL") |
143 | } ), |
144 | |
145 | ) ) ) ) |
296248c3 |
146 | ); |
147 | }; |
37873f78 |
148 | } |
149 | else { |
150 | require mro; |
151 | constant->import( OLD_MRO => 0 ); |
296248c3 |
152 | *DBIx::Class::_Util::get_real_pkg_gen = \&mro::get_pkg_gen; |
37873f78 |
153 | } |
4b1b44c1 |
154 | |
155 | # Both of these are no longer used for anything. However bring |
156 | # them back after they were purged in 08a8d8f1, as there appear |
157 | # to be outfits with *COPY PASTED* pieces of lib/DBIx/Class/Storage/* |
158 | # in their production codebases. There is no point in breaking these |
159 | # if whatever they used actually continues to work |
4b1b44c1 |
160 | my $sigh = sub { |
c40b5744 |
161 | DBIx::Class::_Util::emit_loud_diag( |
162 | skip_frames => 1, |
163 | msg => "The @{[ (caller(1))[3] ]} constant is no more - adjust your code" |
164 | ); |
4b1b44c1 |
165 | |
166 | 0; |
167 | }; |
168 | sub DBICTEST () { &$sigh } |
169 | sub PEEPEENESS () { &$sigh } |
37873f78 |
170 | } |
171 | |
3605497b |
172 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ( DBIx::Class::_ENV_::PERL_VERSION < 5.010 ? 1 : 0); |
173 | |
841efcb3 |
174 | # FIXME - this is not supposed to be here |
175 | # Carp::Skip to the rescue soon |
176 | use DBIx::Class::Carp '^DBIx::Class|^DBICTest'; |
177 | |
b78ed1e4 |
178 | # Ensure it is always there, in case we need to do a $schema-less throw() |
179 | use DBIx::Class::Exception (); |
180 | |
d7d45bdc |
181 | use B (); |
841efcb3 |
182 | use Carp 'croak'; |
d7d45bdc |
183 | use Storable 'nfreeze'; |
3d56e026 |
184 | use Scalar::Util qw(weaken blessed reftype refaddr); |
514b84f6 |
185 | use Sub::Name (); |
296248c3 |
186 | use attributes (); |
7f9a3f70 |
187 | |
6de81918 |
188 | # Usually versions are not specified anywhere aside the Makefile.PL |
189 | # (writing them out in-code is extremely obnoxious) |
190 | # However without a recent enough Moo the quote_sub override fails |
191 | # in very puzzling and hard to detect ways: so add a version check |
192 | # just this once |
193 | use Sub::Quote qw(qsub); |
194 | BEGIN { Sub::Quote->VERSION('2.002002') } |
195 | |
1c30a2e4 |
196 | # Already correctly prototyped: perlbrew exec perl -MStorable -e 'warn prototype \&Storable::dclone' |
197 | BEGIN { *deep_clone = \&Storable::dclone } |
198 | |
b1dbf716 |
199 | use base 'Exporter'; |
3705e3b2 |
200 | our @EXPORT_OK = qw( |
d634850b |
201 | sigwarn_silencer modver_gt_or_eq modver_gt_or_eq_and_lt |
77c3a5dc |
202 | fail_on_internal_wantarray fail_on_internal_call |
86a432d4 |
203 | refdesc refcount hrefaddr set_subname get_subname describe_class_methods |
c40b5744 |
204 | scope_guard detected_reinvoked_destructor emit_loud_diag |
293cb2f1 |
205 | true false |
e2741c7f |
206 | is_exception dbic_internal_try dbic_internal_catch visit_namespaces |
10be570e |
207 | quote_sub qsub perlstring serialize deep_clone dump_value uniq |
439a7283 |
208 | parent_dir mkdir_p |
09d2e66a |
209 | UNRESOLVABLE_CONDITION DUMMY_ALIASPAIR |
3705e3b2 |
210 | ); |
052a832c |
211 | |
facd0e8e |
212 | use constant UNRESOLVABLE_CONDITION => \ '1 = 0'; |
213 | |
09d2e66a |
214 | use constant DUMMY_ALIASPAIR => ( |
215 | foreign_alias => "!!!\xFF()!!!_DUMMY_FOREIGN_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFF!!!", |
216 | self_alias => "!!!\xFE()!!!_DUMMY_SELF_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFE!!!", |
217 | ); |
218 | |
e85eb407 |
219 | # Override forcing no_defer, and adding naming consistency checks |
dc715747 |
220 | our %refs_closed_over_by_quote_sub_installed_crefs; |
e85eb407 |
221 | sub quote_sub { |
9642350a |
222 | Carp::confess( "Anonymous quoting not supported by the DBIC quote_sub override - supply a sub name" ) if |
e85eb407 |
223 | @_ < 2 |
224 | or |
225 | ! defined $_[1] |
226 | or |
227 | length ref $_[1] |
228 | ; |
229 | |
9642350a |
230 | Carp::confess( "The DBIC quote_sub override expects sub name '$_[0]' to be fully qualified" ) |
231 | unless (my $stash) = $_[0] =~ /^(.+)::/; |
232 | |
233 | Carp::confess( |
234 | "The DBIC sub_quote override does not support 'no_install'" |
235 | ) if ( |
236 | $_[3] |
237 | and |
238 | $_[3]->{no_install} |
239 | ); |
e85eb407 |
240 | |
9642350a |
241 | Carp::confess( |
242 | 'The DBIC quote_sub override expects the namespace-part of sub name ' |
243 | . "'$_[0]' to match the supplied package argument '$_[3]->{package}'" |
244 | ) if ( |
e85eb407 |
245 | $_[3] |
246 | and |
247 | defined $_[3]->{package} |
248 | and |
9642350a |
249 | $stash ne $_[3]->{package} |
250 | ); |
e85eb407 |
251 | |
252 | my @caller = caller(0); |
253 | my $sq_opts = { |
254 | package => $caller[0], |
255 | hints => $caller[8], |
256 | warning_bits => $caller[9], |
257 | hintshash => $caller[10], |
258 | %{ $_[3] || {} }, |
259 | |
260 | # explicitly forced for everything |
261 | no_defer => 1, |
262 | }; |
263 | |
dc715747 |
264 | weaken ( |
265 | # just use a growing counter, no need to perform neither compaction |
266 | # nor any special ithread-level handling |
267 | $refs_closed_over_by_quote_sub_installed_crefs |
268 | { scalar keys %refs_closed_over_by_quote_sub_installed_crefs } |
269 | = $_ |
270 | ) for grep { |
271 | length ref $_ |
272 | and |
273 | ( |
274 | ! DBIx::Class::_ENV_::BROKEN_WEAK_SCALARREF_VALUES |
275 | or |
276 | ref $_ ne 'SCALAR' |
277 | ) |
278 | } values %{ $_[2] || {} }; |
279 | |
9642350a |
280 | Sub::Quote::quote_sub( $_[0], $_[1], $_[2]||{}, $sq_opts ); |
e85eb407 |
281 | } |
282 | |
bf302897 |
283 | sub sigwarn_silencer ($) { |
052a832c |
284 | my $pattern = shift; |
285 | |
286 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
287 | |
288 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
289 | |
290 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
291 | } |
b1dbf716 |
292 | |
01b25f12 |
293 | sub perlstring ($) { q{"}. quotemeta( shift ). q{"} }; |
294 | |
3d56e026 |
295 | sub hrefaddr ($) { sprintf '0x%x', &refaddr||0 } |
8433421f |
296 | |
297 | sub refdesc ($) { |
298 | croak "Expecting a reference" if ! length ref $_[0]; |
299 | |
300 | # be careful not to trigger stringification, |
301 | # reuse @_ as a scratch-pad |
302 | sprintf '%s%s(0x%x)', |
303 | ( defined( $_[1] = blessed $_[0]) ? "$_[1]=" : '' ), |
304 | reftype $_[0], |
3d56e026 |
305 | refaddr($_[0]), |
8433421f |
306 | ; |
307 | } |
bf302897 |
308 | |
309 | sub refcount ($) { |
dac7972a |
310 | croak "Expecting a reference" if ! length ref $_[0]; |
311 | |
dac7972a |
312 | # No tempvars - must operate on $_[0], otherwise the pad |
313 | # will count as an extra ref |
314 | B::svref_2object($_[0])->REFCNT; |
315 | } |
316 | |
10be570e |
317 | sub visit_namespaces { |
318 | my $args = { (ref $_[0]) ? %{$_[0]} : @_ }; |
319 | |
320 | my $visited_count = 1; |
321 | |
322 | # A package and a namespace are subtly different things |
323 | $args->{package} ||= 'main'; |
324 | $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x; |
325 | $args->{package} =~ s/^:://; |
326 | |
327 | if ( $args->{action}->($args->{package}) ) { |
328 | my $ns = |
329 | ( ($args->{package} eq 'main') ? '' : $args->{package} ) |
330 | . |
331 | '::' |
332 | ; |
333 | |
334 | $visited_count += visit_namespaces( %$args, package => $_ ) for |
335 | grep |
336 | # this happens sometimes on %:: traversal |
337 | { $_ ne '::main' } |
338 | map |
339 | { $_ =~ /^(.+?)::$/ ? "$ns$1" : () } |
340 | do { no strict 'refs'; keys %$ns } |
341 | ; |
342 | } |
343 | |
344 | $visited_count; |
345 | } |
346 | |
86a432d4 |
347 | # FIXME In another life switch these to a polyfill like the ones in namespace::clean |
348 | sub get_subname ($) { |
349 | my $gv = B::svref_2object( $_[0] )->GV; |
350 | wantarray |
351 | ? ( $gv->STASH->NAME, $gv->NAME ) |
352 | : ( join '::', $gv->STASH->NAME, $gv->NAME ) |
353 | ; |
354 | } |
514b84f6 |
355 | sub set_subname ($$) { |
356 | |
357 | # fully qualify name |
358 | splice @_, 0, 1, caller(0) . "::$_[0]" |
359 | if $_[0] !~ /::|'/; |
360 | |
361 | &Sub::Name::subname; |
362 | } |
363 | |
b34d9331 |
364 | sub serialize ($) { |
d6c13bfd |
365 | # stable hash order |
b34d9331 |
366 | local $Storable::canonical = 1; |
d6c13bfd |
367 | |
368 | # explicitly false - there is nothing sensible that can come out of |
369 | # an attempt at CODE serialization |
370 | local $Storable::Deparse; |
371 | |
372 | # take no chances |
373 | local $Storable::forgive_me; |
374 | |
375 | # FIXME |
376 | # A number of codepaths *expect* this to be Storable.pm-based so that |
377 | # the STORABLE_freeze hooks in the metadata subtree get executed properly |
d7d45bdc |
378 | nfreeze($_[0]); |
b34d9331 |
379 | } |
380 | |
10be570e |
381 | sub uniq { |
382 | my( %seen, $seen_undef, $numeric_preserving_copy ); |
383 | grep { not ( |
384 | defined $_ |
385 | ? $seen{ $numeric_preserving_copy = $_ }++ |
386 | : $seen_undef++ |
387 | ) } @_; |
388 | } |
389 | |
2d5ac3cf |
390 | my $dd_obj; |
8fc4291e |
391 | sub dump_value ($) { |
392 | local $Data::Dumper::Indent = 1 |
393 | unless defined $Data::Dumper::Indent; |
394 | |
2d5ac3cf |
395 | my $dump_str = ( |
8fc4291e |
396 | $dd_obj |
397 | ||= |
398 | do { |
399 | require Data::Dumper; |
400 | my $d = Data::Dumper->new([]) |
401 | ->Purity(0) |
402 | ->Pad('') |
403 | ->Useqq(1) |
404 | ->Terse(1) |
405 | ->Freezer('') |
406 | ->Quotekeys(0) |
407 | ->Bless('bless') |
408 | ->Pair(' => ') |
409 | ->Sortkeys(1) |
410 | ->Deparse(1) |
411 | ; |
412 | |
d6c13bfd |
413 | # FIXME - this is kinda ridiculous - there ought to be a |
414 | # Data::Dumper->new_with_defaults or somesuch... |
415 | # |
416 | if( modver_gt_or_eq ( 'Data::Dumper', '2.136' ) ) { |
417 | $d->Sparseseen(1); |
418 | |
419 | if( modver_gt_or_eq ( 'Data::Dumper', '2.153' ) ) { |
420 | $d->Maxrecurse(1000); |
421 | |
422 | if( modver_gt_or_eq ( 'Data::Dumper', '2.160' ) ) { |
423 | $d->Trailingcomma(1); |
424 | } |
425 | } |
426 | } |
8fc4291e |
427 | |
428 | $d; |
429 | } |
430 | )->Values([$_[0]])->Dump; |
431 | |
432 | $dd_obj->Reset->Values([]); |
433 | |
434 | $dump_str; |
435 | } |
436 | |
c40b5744 |
437 | my $seen_loud_screams; |
438 | sub emit_loud_diag { |
439 | my $args = { ref $_[0] eq 'HASH' ? %{$_[0]} : @_ }; |
440 | |
441 | unless ( defined $args->{msg} and length $args->{msg} ) { |
442 | emit_loud_diag( |
443 | msg => "No 'msg' value supplied to emit_loud_diag()" |
444 | ); |
445 | exit 70; |
446 | } |
447 | |
73f54e27 |
448 | my $msg = "\n" . join( ': ', |
449 | ( $0 eq '-e' ? () : $0 ), |
450 | $args->{msg} |
451 | ); |
c40b5744 |
452 | |
453 | # when we die - we usually want to keep doing it |
454 | $args->{emit_dups} = !!$args->{confess} |
455 | unless exists $args->{emit_dups}; |
456 | |
457 | local $Carp::CarpLevel = |
458 | ( $args->{skip_frames} || 0 ) |
459 | + |
460 | $Carp::CarpLevel |
461 | + |
462 | # hide our own frame |
463 | 1 |
464 | ; |
465 | |
466 | my $longmess = Carp::longmess(); |
467 | |
468 | # different object references will thwart deduplication without this |
469 | ( my $key = "${msg}\n${longmess}" ) =~ s/\b0x[0-9a-f]+\b/0x.../gi; |
470 | |
471 | return $seen_loud_screams->{$key} if |
472 | $seen_loud_screams->{$key}++ |
473 | and |
474 | ! $args->{emit_dups} |
475 | ; |
476 | |
477 | $msg .= $longmess |
478 | unless $msg =~ /\n\z/; |
479 | |
480 | print STDERR "$msg\n" |
481 | or |
482 | print STDOUT "\n!!!STDERR ISN'T WRITABLE!!!:$msg\n"; |
483 | |
484 | return $seen_loud_screams->{$key} |
485 | unless $args->{confess}; |
486 | |
487 | # increment *again*, because... Carp. |
488 | $Carp::CarpLevel++; |
489 | |
490 | # not $msg - Carp will reapply the longmess on its own |
491 | Carp::confess($args->{msg}); |
492 | } |
493 | |
494 | |
293cb2f1 |
495 | ### |
496 | ### This is *NOT* boolean.pm - deliberately not using a singleton |
497 | ### |
498 | { |
499 | package # hide from pause |
500 | DBIx::Class::_Util::_Bool; |
501 | use overload |
502 | bool => sub { ${$_[0]} }, |
503 | fallback => 1, |
504 | ; |
505 | } |
506 | sub true () { my $x = 1; bless \$x, "DBIx::Class::_Util::_Bool" } |
507 | sub false () { my $x = 0; bless \$x, "DBIx::Class::_Util::_Bool" } |
508 | |
bbf6a9a5 |
509 | sub scope_guard (&) { |
510 | croak 'Calling scope_guard() in void context makes no sense' |
511 | if ! defined wantarray; |
512 | |
513 | # no direct blessing of coderefs - DESTROY is buggy on those |
514 | bless [ $_[0] ], 'DBIx::Class::_Util::ScopeGuard'; |
515 | } |
516 | { |
517 | package # |
518 | DBIx::Class::_Util::ScopeGuard; |
519 | |
520 | sub DESTROY { |
521 | &DBIx::Class::_Util::detected_reinvoked_destructor; |
522 | |
523 | local $@ if DBIx::Class::_ENV_::UNSTABLE_DOLLARAT; |
524 | |
525 | eval { |
526 | $_[0]->[0]->(); |
527 | 1; |
118b2c36 |
528 | } |
529 | or |
c40b5744 |
530 | DBIx::Class::_Util::emit_loud_diag( |
531 | emit_dups => 1, |
532 | msg => "Execution of scope guard $_[0] resulted in the non-trappable exception:\n\n$@\n " |
118b2c36 |
533 | ); |
bbf6a9a5 |
534 | } |
535 | } |
536 | |
537 | |
841efcb3 |
538 | sub is_exception ($) { |
539 | my $e = $_[0]; |
540 | |
35cf7d1a |
541 | # FIXME |
a0414138 |
542 | # this is not strictly correct - an eval setting $@ to undef |
543 | # is *not* the same as an eval setting $@ to '' |
544 | # but for the sake of simplicity assume the following for |
545 | # the time being |
546 | return 0 unless defined $e; |
547 | |
841efcb3 |
548 | my ($not_blank, $suberror); |
549 | { |
5c33c8be |
550 | local $SIG{__DIE__} if $SIG{__DIE__}; |
841efcb3 |
551 | local $@; |
552 | eval { |
d52c4a75 |
553 | # The ne() here is deliberate - a plain length($e), or worse "$e" ne |
554 | # will entirely obviate the need for the encolsing eval{}, as the |
555 | # condition we guard against is a missing fallback overload |
556 | $not_blank = ( $e ne '' ); |
841efcb3 |
557 | 1; |
558 | } or $suberror = $@; |
559 | } |
560 | |
561 | if (defined $suberror) { |
562 | if (length (my $class = blessed($e) )) { |
563 | carp_unique( sprintf( |
9bea2000 |
564 | 'External exception class %s implements partial (broken) overloading ' |
565 | . 'preventing its instances from being used in simple ($x eq $y) ' |
841efcb3 |
566 | . 'comparisons. Given Perl\'s "globally cooperative" exception ' |
567 | . 'handling this type of brokenness is extremely dangerous on ' |
568 | . 'exception objects, as it may (and often does) result in silent ' |
569 | . '"exception substitution". DBIx::Class tries to work around this ' |
570 | . 'as much as possible, but other parts of your software stack may ' |
571 | . 'not be even aware of this. Please submit a bugreport against the ' |
572 | . 'distribution containing %s and in the meantime apply a fix similar ' |
573 | . 'to the one shown at %s, in order to ensure your exception handling ' |
574 | . 'is saner application-wide. What follows is the actual error text ' |
575 | . "as generated by Perl itself:\n\n%s\n ", |
9bea2000 |
576 | $class, |
841efcb3 |
577 | $class, |
578 | 'http://v.gd/DBIC_overload_tempfix/', |
579 | $suberror, |
580 | )); |
581 | |
582 | # workaround, keeps spice flowing |
d52c4a75 |
583 | $not_blank = !!( length $e ); |
841efcb3 |
584 | } |
585 | else { |
586 | # not blessed yet failed the 'ne'... this makes 0 sense... |
587 | # just throw further |
588 | die $suberror |
589 | } |
590 | } |
84e4e006 |
591 | elsif ( |
592 | # a ref evaluating to '' is definitively a "null object" |
593 | ( not $not_blank ) |
594 | and |
595 | length( my $class = ref $e ) |
596 | ) { |
c40b5744 |
597 | carp_unique( |
598 | "Objects of external exception class '$class' stringify to '' (the " |
84e4e006 |
599 | . 'empty string), implementing the so called null-object-pattern. ' |
600 | . 'Given Perl\'s "globally cooperative" exception handling using this ' |
601 | . 'class of exceptions is extremely dangerous, as it may (and often ' |
602 | . 'does) result in silent discarding of errors. DBIx::Class tries to ' |
603 | . 'work around this as much as possible, but other parts of your ' |
604 | . 'software stack may not be even aware of the problem. Please submit ' |
c40b5744 |
605 | . "a bugreport against the distribution containing '$class'", |
606 | ); |
84e4e006 |
607 | |
608 | $not_blank = 1; |
609 | } |
841efcb3 |
610 | |
611 | return $not_blank; |
612 | } |
613 | |
3d56e026 |
614 | { |
ddcc02d1 |
615 | my $callstack_state; |
616 | |
e2741c7f |
617 | # Recreate the logic of Try::Tiny, but without the crazy Sub::Name |
618 | # invocations and without support for finally() altogether |
619 | # ( yes, these days Try::Tiny is so "tiny" it shows *ON TOP* of most |
620 | # random profiles https://youtu.be/PYCbumw0Fis?t=1919 ) |
ddcc02d1 |
621 | sub dbic_internal_try (&;@) { |
622 | |
623 | my $try_cref = shift; |
624 | my $catch_cref = undef; # apparently this is a thing... https://rt.perl.org/Public/Bug/Display.html?id=119311 |
625 | |
626 | for my $arg (@_) { |
627 | |
e2741c7f |
628 | croak 'dbic_internal_try() may not be followed by multiple dbic_internal_catch() blocks' |
629 | if $catch_cref; |
ddcc02d1 |
630 | |
e2741c7f |
631 | ($catch_cref = $$arg), next |
632 | if ref($arg) eq 'DBIx::Class::_Util::Catch'; |
ddcc02d1 |
633 | |
e2741c7f |
634 | croak( 'Mixing dbic_internal_try() with Try::Tiny::catch() is not supported' ) |
635 | if ref($arg) eq 'Try::Tiny::Catch'; |
636 | |
637 | croak( 'dbic_internal_try() does not support finally{}' ) |
638 | if ref($arg) eq 'Try::Tiny::Finally'; |
639 | |
640 | croak( |
641 | 'dbic_internal_try() encountered an unexpected argument ' |
642 | . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps " |
643 | . 'a missing semi-colon before or ' # trailing space important |
644 | ); |
ddcc02d1 |
645 | } |
646 | |
647 | my $wantarray = wantarray; |
648 | my $preexisting_exception = $@; |
649 | |
650 | my @ret; |
e2741c7f |
651 | my $saul_goodman = eval { |
ddcc02d1 |
652 | $@ = $preexisting_exception; |
653 | |
654 | local $callstack_state->{in_internal_try} = 1 |
655 | unless $callstack_state->{in_internal_try}; |
656 | |
657 | # always unset - someone may have snuck it in |
5c33c8be |
658 | local $SIG{__DIE__} if $SIG{__DIE__}; |
ddcc02d1 |
659 | |
660 | if( $wantarray ) { |
661 | @ret = $try_cref->(); |
662 | } |
663 | elsif( defined $wantarray ) { |
664 | $ret[0] = $try_cref->(); |
665 | } |
666 | else { |
667 | $try_cref->(); |
668 | } |
669 | |
670 | 1; |
671 | }; |
672 | |
673 | my $exception = $@; |
674 | $@ = $preexisting_exception; |
675 | |
e2741c7f |
676 | if ( $saul_goodman ) { |
ddcc02d1 |
677 | return $wantarray ? @ret : $ret[0] |
678 | } |
679 | elsif ( $catch_cref ) { |
680 | for ( $exception ) { |
681 | return $catch_cref->($exception); |
682 | } |
683 | } |
684 | |
685 | return; |
686 | } |
687 | |
e2741c7f |
688 | sub dbic_internal_catch (&;@) { |
689 | |
690 | croak( 'Useless use of bare dbic_internal_catch()' ) |
691 | unless wantarray; |
692 | |
693 | croak( 'dbic_internal_catch() must receive exactly one argument at end of expression' ) |
694 | if @_ > 1; |
695 | |
696 | bless( |
697 | \( $_[0] ), |
698 | 'DBIx::Class::_Util::Catch' |
699 | ), |
700 | } |
701 | |
702 | sub in_internal_try () { |
703 | !! $callstack_state->{in_internal_try} |
704 | } |
ddcc02d1 |
705 | } |
706 | |
707 | { |
3d56e026 |
708 | my $destruction_registry = {}; |
709 | |
04c1a070 |
710 | sub DBIx::Class::__Util_iThreads_handler__::CLONE { |
d098704f |
711 | %$destruction_registry = map { |
712 | (defined $_) |
713 | ? ( refaddr($_) => $_ ) |
714 | : () |
715 | } values %$destruction_registry; |
d52fc26d |
716 | |
d098704f |
717 | weaken($_) for values %$destruction_registry; |
29211e03 |
718 | |
d52fc26d |
719 | # Dummy NEXTSTATE ensuring the all temporaries on the stack are garbage |
720 | # collected before leaving this scope. Depending on the code above, this |
721 | # may very well be just a preventive measure guarding future modifications |
722 | undef; |
3d56e026 |
723 | } |
724 | |
725 | # This is almost invariably invoked from within DESTROY |
726 | # throwing exceptions won't work |
e1d9e578 |
727 | sub detected_reinvoked_destructor { |
3d56e026 |
728 | |
729 | # quick "garbage collection" pass - prevents the registry |
730 | # from slowly growing with a bunch of undef-valued keys |
731 | defined $destruction_registry->{$_} or delete $destruction_registry->{$_} |
732 | for keys %$destruction_registry; |
733 | |
e1d9e578 |
734 | if (! length ref $_[0]) { |
c40b5744 |
735 | emit_loud_diag( |
736 | emit_dups => 1, |
737 | msg => (caller(0))[3] . '() expects a blessed reference' |
738 | ); |
3d56e026 |
739 | return undef; # don't know wtf to do |
740 | } |
e1d9e578 |
741 | elsif (! defined $destruction_registry->{ my $addr = refaddr($_[0]) } ) { |
3d56e026 |
742 | weaken( $destruction_registry->{$addr} = $_[0] ); |
743 | return 0; |
744 | } |
745 | else { |
c40b5744 |
746 | emit_loud_diag( msg => sprintf ( |
3d56e026 |
747 | 'Preventing *MULTIPLE* DESTROY() invocations on %s - an *EXTREMELY ' |
748 | . 'DANGEROUS* condition which is *ALMOST CERTAINLY GLOBAL* within your ' |
749 | . 'application, affecting *ALL* classes without active protection against ' |
750 | . 'this. Diagnose and fix the root cause ASAP!!!%s', |
751 | refdesc $_[0], |
752 | ( ( $INC{'Devel/StackTrace.pm'} and ! do { local $@; eval { Devel::StackTrace->VERSION(2) } } ) |
753 | ? " (likely culprit Devel::StackTrace\@@{[ Devel::StackTrace->VERSION ]} found in %INC, http://is.gd/D_ST_refcap)" |
754 | : '' |
755 | ) |
756 | )); |
757 | |
758 | return 1; |
759 | } |
760 | } |
761 | } |
762 | |
7302b3e0 |
763 | my $module_name_rx = qr/ \A [A-Z_a-z] [0-9A-Z_a-z]* (?: :: [0-9A-Z_a-z]+ )* \z /x; |
764 | my $ver_rx = qr/ \A [0-9]+ (?: \. [0-9]+ )* (?: \_ [0-9]+ )* \z /x; |
765 | |
bf302897 |
766 | sub modver_gt_or_eq ($$) { |
b1dbf716 |
767 | my ($mod, $ver) = @_; |
768 | |
769 | croak "Nonsensical module name supplied" |
7302b3e0 |
770 | if ! defined $mod or $mod !~ $module_name_rx; |
b1dbf716 |
771 | |
772 | croak "Nonsensical minimum version supplied" |
7302b3e0 |
773 | if ! defined $ver or $ver !~ $ver_rx; |
774 | |
d6c13bfd |
775 | my $ver_cache = do { |
776 | no strict 'refs'; |
777 | ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= {} |
778 | }; |
7302b3e0 |
779 | |
780 | ! defined $ver_cache->{$ver} |
781 | and |
782 | $ver_cache->{$ver} = do { |
b1dbf716 |
783 | |
7302b3e0 |
784 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
785 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
b1dbf716 |
786 | |
d6c13bfd |
787 | # prevent captures by potential __WARN__ hooks or the like: |
788 | # there is nothing of value that can be happening here, and |
789 | # leaving a hook in-place can only serve to fail some test |
790 | local $SIG{__WARN__} if ( |
791 | ! SPURIOUS_VERSION_CHECK_WARNINGS |
792 | and |
793 | $SIG{__WARN__} |
794 | ); |
795 | |
796 | croak "$mod does not seem to provide a version (perhaps it never loaded)" |
797 | unless $mod->VERSION; |
798 | |
5c33c8be |
799 | local $SIG{__DIE__} if $SIG{__DIE__}; |
7302b3e0 |
800 | local $@; |
7302b3e0 |
801 | eval { $mod->VERSION($ver) } ? 1 : 0; |
802 | }; |
56270bba |
803 | |
7302b3e0 |
804 | $ver_cache->{$ver}; |
b1dbf716 |
805 | } |
806 | |
d634850b |
807 | sub modver_gt_or_eq_and_lt ($$$) { |
808 | my ($mod, $v_ge, $v_lt) = @_; |
809 | |
810 | croak "Nonsensical maximum version supplied" |
7302b3e0 |
811 | if ! defined $v_lt or $v_lt !~ $ver_rx; |
d634850b |
812 | |
813 | return ( |
814 | modver_gt_or_eq($mod, $v_ge) |
815 | and |
816 | ! modver_gt_or_eq($mod, $v_lt) |
817 | ) ? 1 : 0; |
818 | } |
819 | |
296248c3 |
820 | { |
296248c3 |
821 | |
822 | sub describe_class_methods { |
8eac247d |
823 | my $args = ( |
824 | ref $_[0] eq 'HASH' ? $_[0] |
825 | : ( @_ == 1 and ! length ref $_[0] ) ? { class => $_[0] } |
826 | : { @_ } |
827 | ); |
828 | |
829 | my ($class, $requested_mro) = @{$args}{qw( class use_mro )}; |
296248c3 |
830 | |
8eac247d |
831 | croak "Expecting a class name either as the sole argument or a 'class' option" |
5e67be26 |
832 | if not defined $class or $class !~ $module_name_rx; |
296248c3 |
833 | |
5f0174dc |
834 | croak( |
835 | "The supplied 'class' argument is tainted: this is *extremely* " |
836 | . 'dangerous, fix your code ASAP!!! ( for more details read through ' |
837 | . 'https://is.gd/perl_mro_taint_wtf )' |
838 | ) if ( |
839 | DBIx::Class::_ENV_::TAINT_MODE |
840 | and |
841 | Scalar::Util::tainted($class) |
842 | ); |
843 | |
1cf2ad8b |
844 | $requested_mro ||= mro::get_mro($class); |
845 | |
846 | # mro::set_mro() does not bump pkg_gen - WHAT THE FUCK?! |
847 | my $query_cache_key = "$class|$requested_mro"; |
848 | |
953f8eb0 |
849 | my $internal_cache_key = |
1cf2ad8b |
850 | ( mro::get_mro($class) eq $requested_mro ) |
851 | ? $class |
852 | : $query_cache_key |
853 | ; |
854 | |
296248c3 |
855 | # use a cache on old MRO, since while we are recursing in this function |
856 | # nothing can possibly change (the speedup is immense) |
857 | # (yes, people could be tie()ing the stash and adding methods on access |
858 | # but there is a limit to how much crazy can be supported here) |
859 | # |
860 | # we use the cache for linear_isa lookups on new MRO as well - it adds |
861 | # a *tiny* speedup, and simplifies the code a lot |
862 | # |
953f8eb0 |
863 | local $__describe_class_query_cache->{'!internal!'} = {} |
864 | unless $__describe_class_query_cache->{'!internal!'}; |
296248c3 |
865 | |
866 | my $my_gen = 0; |
867 | |
d01688cc |
868 | $my_gen += get_real_pkg_gen($_) for ( my @full_ISA = ( |
869 | |
870 | @{ |
953f8eb0 |
871 | $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} |
296248c3 |
872 | ||= |
1cf2ad8b |
873 | mro::get_linear_isa($class, $requested_mro) |
d01688cc |
874 | }, |
875 | |
876 | (( |
953f8eb0 |
877 | $__describe_class_query_cache->{'!internal!'}{$class}{is_universal} |
d01688cc |
878 | ||= |
879 | mro::is_universal($class) |
880 | ) ? () : @{ |
953f8eb0 |
881 | $__describe_class_query_cache->{'!internal!'}{UNIVERSAL}{linear_isa} |
d01688cc |
882 | ||= |
883 | mro::get_linear_isa("UNIVERSAL") |
884 | }), |
885 | |
886 | )); |
296248c3 |
887 | |
953f8eb0 |
888 | my $slot = $__describe_class_query_cache->{$query_cache_key} ||= {}; |
296248c3 |
889 | |
890 | unless ( ($slot->{cumulative_gen}||0) == $my_gen ) { |
891 | |
892 | # reset |
893 | %$slot = ( |
894 | class => $class, |
2603b495 |
895 | isa => { map { $_ => 1 } @full_ISA }, |
896 | linear_isa => [ |
953f8eb0 |
897 | @{ $__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa} } |
898 | [ 1 .. $#{$__describe_class_query_cache->{'!internal!'}{$internal_cache_key}{linear_isa}} ] |
d01688cc |
899 | ], |
296248c3 |
900 | mro => { |
1cf2ad8b |
901 | type => $requested_mro, |
902 | is_c3 => ( ($requested_mro eq 'c3') ? 1 : 0 ), |
296248c3 |
903 | }, |
904 | cumulative_gen => $my_gen, |
905 | ); |
296248c3 |
906 | |
2603b495 |
907 | # remove ourselves from ISA |
908 | shift @full_ISA; |
909 | |
296248c3 |
910 | # ensure the cache is populated for the parents, code below can then |
911 | # efficiently operate over the query_cache directly |
d01688cc |
912 | describe_class_methods($_) for reverse @full_ISA; |
296248c3 |
913 | |
296248c3 |
914 | no strict 'refs'; |
915 | |
916 | # combine full ISA-order inherited and local method list into a |
917 | # "shadowing stack" |
918 | |
919 | ( |
085dbdd6 |
920 | unshift @{ $slot->{methods}{$_->{name}} }, $_ |
296248c3 |
921 | |
922 | and |
923 | |
085dbdd6 |
924 | ( |
925 | $_->{via_class} ne $class |
926 | or |
927 | $slot->{methods_defined_in_class}{$_->{name}} = $_ |
928 | ) |
296248c3 |
929 | |
930 | and |
931 | |
932 | @{ $slot->{methods}{$_->{name}} } > 1 |
933 | |
934 | and |
935 | |
936 | $slot->{methods_with_supers}{$_->{name}} = $slot->{methods}{$_->{name}} |
937 | |
938 | ) for ( |
939 | |
d01688cc |
940 | # what describe_class_methods for @full_ISA produced above |
085dbdd6 |
941 | ( map { values %{ |
953f8eb0 |
942 | $__describe_class_query_cache->{$_}{methods_defined_in_class} || {} |
1cf2ad8b |
943 | } } map { "$_|" . mro::get_mro($_) } reverse @full_ISA ), |
296248c3 |
944 | |
945 | # our own non-cleaned subs + their attributes |
946 | ( map { |
947 | ( |
1c179556 |
948 | # need to account for dummy helper crefs under OLD_MRO |
296248c3 |
949 | ( |
1c179556 |
950 | ! DBIx::Class::_ENV_::OLD_MRO |
296248c3 |
951 | or |
1c179556 |
952 | ! ( ( $Class::C3::MRO{$class} || {} )->{methods}{$_} ) |
296248c3 |
953 | ) |
954 | and |
1c179556 |
955 | # these 2 OR-ed checks are sufficient for 5.10+ |
296248c3 |
956 | ( |
1c179556 |
957 | ref(\ "${class}::"->{$_} ) ne 'GLOB' |
296248c3 |
958 | or |
1c179556 |
959 | defined( *{ "${class}::"->{$_} }{CODE} ) |
296248c3 |
960 | ) |
961 | ) ? { |
962 | via_class => $class, |
963 | name => $_, |
92705f7f |
964 | attributes => { map { $_ => 1 } do { |
965 | my @attrs; |
966 | local $@; |
967 | local $SIG{__DIE__} if $SIG{__DIE__}; |
968 | # attributes::get may throw on blessed-false crefs :/ |
969 | eval { @attrs = attributes::get( \&{"${class}::${_}"} ); 1 } |
970 | or warn "Unable to determine attributes of the \\&${class}::$_ method due to following error: $@"; |
971 | @attrs; |
972 | } }, |
296248c3 |
973 | } |
974 | : () |
975 | } keys %{"${class}::"} ) |
976 | ); |
977 | |
978 | |
979 | # recalculate the pkg_gen on newer perls under Taint mode, |
980 | # because of shit like: |
981 | # perl -T -Mmro -e 'package Foo; sub bar {}; defined( *{ "Foo::"->{bar}}{CODE} ) and warn mro::get_pkg_gen("Foo") for (1,2,3)' |
982 | # |
983 | if ( |
984 | ! DBIx::Class::_ENV_::OLD_MRO |
985 | and |
5f0174dc |
986 | DBIx::Class::_ENV_::TAINT_MODE |
296248c3 |
987 | ) { |
988 | |
989 | $slot->{cumulative_gen} = 0; |
990 | $slot->{cumulative_gen} += get_real_pkg_gen($_) |
d01688cc |
991 | for $class, @full_ISA; |
296248c3 |
992 | } |
993 | } |
994 | |
995 | # RV |
996 | +{ %$slot }; |
997 | } |
998 | } |
999 | |
e3be2b6f |
1000 | |
1001 | # |
1002 | # Why not just use some higher-level module or at least File::Spec here? |
1003 | # Because: |
1004 | # 1) This is a *very* rarely used function, and the deptree is large |
1005 | # enough already as it is |
1006 | # |
1007 | # 2) (more importantly) Our tooling is utter shit in this area. There |
1008 | # is no comprehensive support for UNC paths in PathTools and there |
1009 | # are also various small bugs in representation across different |
1010 | # path-manipulation CPAN offerings. |
1011 | # |
1012 | # Since this routine is strictly used for logical path processing (it |
1013 | # *must* be able to work with not-yet-existing paths), use this seemingly |
1014 | # simple but I *think* complete implementation to feed to other consumers |
1015 | # |
1016 | # If bugs are ever uncovered in this routine, *YOU ARE URGED TO RESIST* |
1017 | # the impulse to bring in an external dependency. During runtime there |
1018 | # is exactly one spot that could potentially maybe once in a blue moon |
1019 | # use this function. Keep it lean. |
1020 | # |
1021 | sub parent_dir ($) { |
1022 | ( $_[0] =~ m{ [\/\\] ( \.{0,2} ) ( [\/\\]* ) \z }x ) |
1023 | ? ( |
1024 | $_[0] |
1025 | . |
1026 | ( ( length($1) and ! length($2) ) ? '/' : '' ) |
1027 | . |
1028 | '../' |
1029 | ) |
1030 | : ( |
1031 | require File::Spec |
1032 | and |
1033 | File::Spec->catpath ( |
1034 | ( File::Spec->splitpath( "$_[0]" ) )[0,1], |
1035 | '/', |
1036 | ) |
1037 | ) |
1038 | ; |
1039 | } |
1040 | |
439a7283 |
1041 | sub mkdir_p ($) { |
1042 | require File::Path; |
1043 | # do not ask for a recent version, use 1.x API calls |
1044 | File::Path::mkpath([ "$_[0]" ]); # File::Path does not like objects |
1045 | } |
1046 | |
e3be2b6f |
1047 | |
a9da9b6a |
1048 | { |
1049 | my $list_ctx_ok_stack_marker; |
1050 | |
e89c7968 |
1051 | sub fail_on_internal_wantarray () { |
a9da9b6a |
1052 | return if $list_ctx_ok_stack_marker; |
1053 | |
1054 | if (! defined wantarray) { |
1055 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
1056 | } |
1057 | |
1058 | my $cf = 1; |
821edc09 |
1059 | while ( ( (CORE::caller($cf+1))[3] || '' ) =~ / :: (?: |
a9da9b6a |
1060 | |
1061 | # these are public API parts that alter behavior on wantarray |
1062 | search | search_related | slice | search_literal |
1063 | |
1064 | | |
1065 | |
1066 | # these are explicitly prefixed, since we only recognize them as valid |
1067 | # escapes when they come from the guts of CDBICompat |
1068 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
1069 | |
1070 | ) $/x ) { |
1071 | $cf++; |
1072 | } |
1073 | |
e89c7968 |
1074 | my ($fr, $want, $argdesc); |
1075 | { |
1076 | package DB; |
821edc09 |
1077 | $fr = [ CORE::caller($cf) ]; |
1078 | $want = ( CORE::caller($cf-1) )[5]; |
e89c7968 |
1079 | $argdesc = ref $DB::args[0] |
1080 | ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1081 | : 'non ' |
1082 | ; |
1083 | }; |
1084 | |
a9da9b6a |
1085 | if ( |
e89c7968 |
1086 | $want and $fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
a9da9b6a |
1087 | ) { |
a9da9b6a |
1088 | DBIx::Class::Exception->throw( sprintf ( |
e89c7968 |
1089 | "Improper use of %s instance in list context at %s line %d\n\n Stacktrace starts", |
1090 | $argdesc, @{$fr}[1,2] |
a9da9b6a |
1091 | ), 'with_stacktrace'); |
1092 | } |
1093 | |
d098704f |
1094 | weaken( $list_ctx_ok_stack_marker = my $mark = [] ); |
1095 | |
a9da9b6a |
1096 | $mark; |
1097 | } |
1098 | } |
1099 | |
77c3a5dc |
1100 | sub fail_on_internal_call { |
1101 | my ($fr, $argdesc); |
1102 | { |
1103 | package DB; |
821edc09 |
1104 | $fr = [ CORE::caller(1) ]; |
e570488a |
1105 | $argdesc = |
1106 | ( not defined $DB::args[0] ) ? 'UNAVAILABLE' |
1107 | : ( length ref $DB::args[0] ) ? DBIx::Class::_Util::refdesc($DB::args[0]) |
1108 | : $DB::args[0] . '' |
77c3a5dc |
1109 | ; |
1110 | }; |
1111 | |
3b020224 |
1112 | my @fr2; |
1113 | # need to make allowance for a proxy-yet-direct call |
1114 | my $check_fr = ( |
1115 | $fr->[0] eq 'DBIx::Class::ResultSourceProxy' |
1116 | and |
1117 | @fr2 = (CORE::caller(2)) |
1118 | and |
1119 | ( |
1120 | ( $fr->[3] =~ /([^:])+$/ )[0] |
1121 | eq |
1122 | ( $fr2[3] =~ /([^:])+$/ )[0] |
1123 | ) |
1124 | ) |
1125 | ? \@fr2 |
1126 | : $fr |
1127 | ; |
1128 | |
1b822bd3 |
1129 | |
1130 | die "\nMethod $fr->[3] is not marked with the 'DBIC_method_is_indirect_sugar' attribute\n\n" unless ( |
1131 | |
1132 | # unlikely but who knows... |
1133 | ! @$fr |
1134 | |
1135 | or |
1136 | |
1137 | # This is a weird-ass double-purpose method, only one branch of which is marked |
1138 | # as an illegal indirect call |
1139 | # Hence the 'indirect' attribute makes no sense |
1140 | # FIXME - likely need to mark this in some other manner |
1141 | $fr->[3] eq 'DBIx::Class::ResultSet::new' |
1142 | |
1143 | or |
1144 | |
1145 | # RsrcProxy stuff is special and not attr-annotated on purpose |
1146 | # Yet it is marked (correctly) as fail_on_internal_call(), as DBIC |
1147 | # itself should not call these methods as first-entry |
1148 | $fr->[3] =~ /^DBIx::Class::ResultSourceProxy::[^:]+$/ |
1149 | |
1150 | or |
1151 | |
1152 | # FIXME - there is likely a more fine-graned way to escape "foreign" |
1153 | # callers, based on annotations... (albeit a slower one) |
1154 | # For the time being just skip in a dumb way |
1155 | $fr->[3] !~ /^DBIx::Class|^DBICx::|^DBICTest::/ |
1156 | |
1157 | or |
1158 | |
1159 | grep |
1160 | { $_ eq 'DBIC_method_is_indirect_sugar' } |
1161 | do { no strict 'refs'; attributes::get( \&{ $fr->[3] }) } |
1162 | ); |
1163 | |
1164 | |
77c3a5dc |
1165 | if ( |
e570488a |
1166 | defined $fr->[0] |
77c3a5dc |
1167 | and |
3b020224 |
1168 | $check_fr->[0] =~ /^(?:DBIx::Class|DBICx::)/ |
77c3a5dc |
1169 | and |
3b020224 |
1170 | $check_fr->[1] !~ /\b(?:CDBICompat|ResultSetProxy)\b/ # no point touching there |
77c3a5dc |
1171 | ) { |
1172 | DBIx::Class::Exception->throw( sprintf ( |
e5053694 |
1173 | "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 |
1174 | $fr->[3], $argdesc, @{$fr}[1,2], ( $fr->[6] || do { |
1175 | require B::Deparse; |
1176 | no strict 'refs'; |
1177 | B::Deparse->new->coderef2text(\&{$fr->[3]}) |
1178 | }), |
1179 | ), 'with_stacktrace'); |
1180 | } |
1181 | } |
1182 | |
534aff61 |
1183 | if (DBIx::Class::_ENV_::ASSERT_NO_ERRONEOUS_METAINSTANCE_USE) { |
1184 | |
1185 | no warnings 'redefine'; |
1186 | |
1187 | my $next_bless = defined(&CORE::GLOBAL::bless) |
1188 | ? \&CORE::GLOBAL::bless |
1189 | : sub { CORE::bless($_[0], $_[1]) } |
1190 | ; |
1191 | |
1192 | *CORE::GLOBAL::bless = sub { |
1193 | my $class = (@_ > 1) ? $_[1] : CORE::caller(); |
1194 | |
1195 | # allow for reblessing (role application) |
1196 | return $next_bless->( $_[0], $class ) |
1197 | if defined blessed $_[0]; |
1198 | |
1199 | my $obj = $next_bless->( $_[0], $class ); |
1200 | |
1201 | my $calling_sub = (CORE::caller(1))[3] || ''; |
1202 | |
1203 | ( |
1204 | # before 5.18 ->isa() will choke on the "0" package |
1205 | # which we test for in several obscure cases, sigh... |
1206 | !( DBIx::Class::_ENV_::PERL_VERSION < 5.018 ) |
1207 | or |
1208 | $class |
1209 | ) |
1210 | and |
1211 | ( |
1212 | ( |
1213 | $calling_sub !~ /^ (?: |
1214 | DBIx::Class::Schema::clone |
1215 | | |
1216 | DBIx::Class::DB::setup_schema_instance |
1217 | )/x |
1218 | and |
1219 | $class->isa("DBIx::Class::Schema") |
1220 | ) |
1221 | or |
1222 | ( |
1223 | $calling_sub ne 'DBIx::Class::ResultSource::new' |
1224 | and |
1225 | $class->isa("DBIx::Class::ResultSource") |
1226 | ) |
1227 | ) |
1228 | and |
1229 | local $Carp::CarpLevel = $Carp::CarpLevel + 1 |
1230 | and |
1231 | Carp::confess("Improper instantiation of '$obj': you *MUST* call the corresponding constructor"); |
1232 | |
1233 | |
1234 | $obj; |
1235 | }; |
1236 | } |
1237 | |
b1dbf716 |
1238 | 1; |