package # hide from PAUSE
DBIx::Class::_Util;
-use DBIx::Class::StartupCheck; # load es early as we can, usually a noop
+# load es early as we can, usually a noop
+use DBIx::Class::StartupCheck;
use warnings;
use strict;
DBIC_ASSERT_NO_INTERNAL_INDIRECT_CALLS
DBIC_ASSERT_NO_ERRONEOUS_METAINSTANCE_USE
DBIC_ASSERT_NO_FAILING_SANITY_CHECKS
+ DBIC_ASSERT_NO_INCONSISTENT_RELATIONSHIP_RESOLUTION
DBIC_STRESSTEST_UTF8_UPGRADE_GENERATED_COLLAPSER_SOURCE
DBIC_STRESSTEST_COLUMN_INFO_UNAWARE_STORAGE
)
# Carp::Skip to the rescue soon
use DBIx::Class::Carp '^DBIx::Class|^DBICTest';
+# Ensure it is always there, in case we need to do a $schema-less throw()
+use DBIx::Class::Exception ();
+
use B ();
use Carp 'croak';
use Storable 'nfreeze';
refdesc refcount hrefaddr set_subname get_subname describe_class_methods
scope_guard detected_reinvoked_destructor emit_loud_diag
true false
- is_exception dbic_internal_try visit_namespaces
- quote_sub qsub perlstring serialize deep_clone dump_value uniq
+ is_exception dbic_internal_try dbic_internal_catch visit_namespaces
+ quote_sub qsub perlstring serialize deep_clone dump_value uniq bag_eq
parent_dir mkdir_p
- UNRESOLVABLE_CONDITION
+ UNRESOLVABLE_CONDITION DUMMY_ALIASPAIR
);
use constant UNRESOLVABLE_CONDITION => \ '1 = 0';
+use constant DUMMY_ALIASPAIR => (
+ foreign_alias => "!!!\xFF()!!!_DUMMY_FOREIGN_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFF!!!",
+ self_alias => "!!!\xFE()!!!_DUMMY_SELF_ALIAS_SHOULD_NEVER_BE_SEEN_IN_USE_!!!()\xFE!!!",
+);
+
# Override forcing no_defer, and adding naming consistency checks
our %refs_closed_over_by_quote_sub_installed_crefs;
sub quote_sub {
}
sub serialize ($) {
+ # stable hash order
local $Storable::canonical = 1;
+
+ # explicitly false - there is nothing sensible that can come out of
+ # an attempt at CODE serialization
+ local $Storable::Deparse;
+
+ # take no chances
+ local $Storable::forgive_me;
+
+ # FIXME
+ # A number of codepaths *expect* this to be Storable.pm-based so that
+ # the STORABLE_freeze hooks in the metadata subtree get executed properly
nfreeze($_[0]);
}
) } @_;
}
+sub bag_eq ($$) {
+ croak "bag_eq() requiress two arrayrefs as arguments" if (
+ ref($_[0]) ne 'ARRAY'
+ or
+ ref($_[1]) ne 'ARRAY'
+ );
+
+ return '' unless @{$_[0]} == @{$_[1]};
+
+ my( %seen, $numeric_preserving_copy );
+
+ ( defined $_
+ ? $seen{'value' . ( $numeric_preserving_copy = $_ )}++
+ : $seen{'undef'}++
+ ) for @{$_[0]};
+
+ ( defined $_
+ ? $seen{'value' . ( $numeric_preserving_copy = $_ )}--
+ : $seen{'undef'}--
+ ) for @{$_[1]};
+
+ return (
+ (grep { $_ } values %seen)
+ ? ''
+ : 1
+ );
+}
+
my $dd_obj;
sub dump_value ($) {
local $Data::Dumper::Indent = 1
->Deparse(1)
;
- $d->Sparseseen(1) if modver_gt_or_eq (
- 'Data::Dumper', '2.136'
- );
+ # FIXME - this is kinda ridiculous - there ought to be a
+ # Data::Dumper->new_with_defaults or somesuch...
+ #
+ if( modver_gt_or_eq ( 'Data::Dumper', '2.136' ) ) {
+ $d->Sparseseen(1);
+
+ if( modver_gt_or_eq ( 'Data::Dumper', '2.153' ) ) {
+ $d->Maxrecurse(1000);
+
+ if( modver_gt_or_eq ( 'Data::Dumper', '2.160' ) ) {
+ $d->Trailingcomma(1);
+ }
+ }
+ }
$d;
}
{
my $callstack_state;
- # Recreate the logic of try(), while reusing the catch()/finally() as-is
- #
- # FIXME: We need to move away from Try::Tiny entirely (way too heavy and
- # yes, shows up ON TOP of profiles) but this is a batle for another maint
+ # Recreate the logic of Try::Tiny, but without the crazy Sub::Name
+ # invocations and without support for finally() altogether
+ # ( yes, these days Try::Tiny is so "tiny" it shows *ON TOP* of most
+ # random profiles https://youtu.be/PYCbumw0Fis?t=1919 )
sub dbic_internal_try (&;@) {
my $try_cref = shift;
for my $arg (@_) {
- if( ref($arg) eq 'Try::Tiny::Catch' ) {
+ croak 'dbic_internal_try() may not be followed by multiple dbic_internal_catch() blocks'
+ if $catch_cref;
- croak 'dbic_internal_try() may not be followed by multiple catch() blocks'
- if $catch_cref;
+ ($catch_cref = $$arg), next
+ if ref($arg) eq 'DBIx::Class::_Util::Catch';
- $catch_cref = $$arg;
- }
- elsif ( ref($arg) eq 'Try::Tiny::Finally' ) {
- croak 'dbic_internal_try() does not support finally{}';
- }
- else {
- croak(
- 'dbic_internal_try() encountered an unexpected argument '
- . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps "
- . 'a missing semi-colon before or ' # trailing space important
- );
- }
+ croak( 'Mixing dbic_internal_try() with Try::Tiny::catch() is not supported' )
+ if ref($arg) eq 'Try::Tiny::Catch';
+
+ croak( 'dbic_internal_try() does not support finally{}' )
+ if ref($arg) eq 'Try::Tiny::Finally';
+
+ croak(
+ 'dbic_internal_try() encountered an unexpected argument '
+ . "'@{[ defined $arg ? $arg : 'UNDEF' ]}' - perhaps "
+ . 'a missing semi-colon before or ' # trailing space important
+ );
}
my $wantarray = wantarray;
my $preexisting_exception = $@;
my @ret;
- my $all_good = eval {
+ my $saul_goodman = eval {
$@ = $preexisting_exception;
local $callstack_state->{in_internal_try} = 1
my $exception = $@;
$@ = $preexisting_exception;
- if ( $all_good ) {
+ if ( $saul_goodman ) {
return $wantarray ? @ret : $ret[0]
}
elsif ( $catch_cref ) {
return;
}
- sub in_internal_try { !! $callstack_state->{in_internal_try} }
+ sub dbic_internal_catch (&;@) {
+
+ croak( 'Useless use of bare dbic_internal_catch()' )
+ unless wantarray;
+
+ croak( 'dbic_internal_catch() must receive exactly one argument at end of expression' )
+ if @_ > 1;
+
+ bless(
+ \( $_[0] ),
+ 'DBIx::Class::_Util::Catch'
+ ),
+ }
+
+ sub in_internal_try () {
+ !! $callstack_state->{in_internal_try}
+ }
}
{
croak "Nonsensical minimum version supplied"
if ! defined $ver or $ver !~ $ver_rx;
- no strict 'refs';
- my $ver_cache = ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= ( $mod->VERSION
- ? {}
- : croak "$mod does not seem to provide a version (perhaps it never loaded)"
- );
+ my $ver_cache = do {
+ no strict 'refs';
+ ${"${mod}::__DBIC_MODULE_VERSION_CHECKS__"} ||= {}
+ };
! defined $ver_cache->{$ver}
and
local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ )
if SPURIOUS_VERSION_CHECK_WARNINGS;
+ # prevent captures by potential __WARN__ hooks or the like:
+ # there is nothing of value that can be happening here, and
+ # leaving a hook in-place can only serve to fail some test
+ local $SIG{__WARN__} if (
+ ! SPURIOUS_VERSION_CHECK_WARNINGS
+ and
+ $SIG{__WARN__}
+ );
+
+ croak "$mod does not seem to provide a version (perhaps it never loaded)"
+ unless $mod->VERSION;
+
local $SIG{__DIE__} if $SIG{__DIE__};
local $@;
eval { $mod->VERSION($ver) } ? 1 : 0;