1 package # hide from PAUSE
7 use constant SPURIOUS_VERSION_CHECK_WARNINGS => ($] < 5.010 ? 1 : 0);
10 package # hide from pause
18 BROKEN_FORK => ($^O eq 'MSWin32') ? 1 : 0,
20 HAS_ITHREADS => $Config{useithreads} ? 1 : 0,
22 # ::Runmode would only be loaded by DBICTest, which in turn implies t/
23 DBICTEST => eval { DBICTest::RunMode->is_author } ? 1 : 0,
25 # During 5.13 dev cycle HELEMs started to leak on copy
27 # request for all tests would force "non-leaky" illusion and vice-versa
28 defined $ENV{DBICTEST_ALL_LEAKS} ? !$ENV{DBICTEST_ALL_LEAKS}
29 # otherwise confess that this perl is busted ONLY on smokers
30 : eval { DBICTest::RunMode->is_smoker } && ($] >= 5.013005 and $] <= 5.013006) ? 1
31 # otherwise we are good
35 ASSERT_NO_INTERNAL_WANTARRAY => $ENV{DBIC_ASSERT_NO_INTERNAL_WANTARRAY} ? 1 : 0,
37 IV_SIZE => $Config{ivsize},
44 constant->import( OLD_MRO => 1 );
48 constant->import( OLD_MRO => 0 );
52 # FIXME - this is not supposed to be here
53 # Carp::Skip to the rescue soon
54 use DBIx::Class::Carp '^DBIx::Class|^DBICTest';
57 use Scalar::Util qw(refaddr weaken blessed reftype);
60 our @EXPORT_OK = qw(sigwarn_silencer modver_gt_or_eq fail_on_internal_wantarray refcount is_exception);
62 sub sigwarn_silencer {
65 croak "Expecting a regexp" if ref $pattern ne 'Regexp';
67 my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) };
69 return sub { &$orig_sig_warn unless $_[0] =~ $pattern };
73 croak "Expecting a reference" if ! length ref $_[0];
76 # No tempvars - must operate on $_[0], otherwise the pad
77 # will count as an extra ref
78 B::svref_2object($_[0])->REFCNT;
81 sub is_exception ($) {
84 my ($not_blank, $suberror);
88 $not_blank = ($e ne '') ? 1 : 0;
93 if (defined $suberror) {
94 if (length (my $class = blessed($e) )) {
96 'External exception object %s=%s(0x%x) implements partial (broken) '
97 . 'overloading preventing it from being used in simple ($x eq $y) '
98 . 'comparisons. Given Perl\'s "globally cooperative" exception '
99 . 'handling this type of brokenness is extremely dangerous on '
100 . 'exception objects, as it may (and often does) result in silent '
101 . '"exception substitution". DBIx::Class tries to work around this '
102 . 'as much as possible, but other parts of your software stack may '
103 . 'not be even aware of this. Please submit a bugreport against the '
104 . 'distribution containing %s and in the meantime apply a fix similar '
105 . 'to the one shown at %s, in order to ensure your exception handling '
106 . 'is saner application-wide. What follows is the actual error text '
107 . "as generated by Perl itself:\n\n%s\n ",
112 'http://v.gd/DBIC_overload_tempfix/',
116 # workaround, keeps spice flowing
117 $not_blank = ("$e" ne '') ? 1 : 0;
120 # not blessed yet failed the 'ne'... this makes 0 sense...
129 sub modver_gt_or_eq {
130 my ($mod, $ver) = @_;
132 croak "Nonsensical module name supplied"
133 if ! defined $mod or ! length $mod;
135 croak "Nonsensical minimum version supplied"
136 if ! defined $ver or $ver =~ /[^0-9\.\_]/;
138 local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ )
139 if SPURIOUS_VERSION_CHECK_WARNINGS;
142 eval { $mod->VERSION($ver) } ? 1 : 0;
146 my $list_ctx_ok_stack_marker;
148 sub fail_on_internal_wantarray {
149 return if $list_ctx_ok_stack_marker;
151 if (! defined wantarray) {
152 croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard');
156 while ( ( (caller($cf+1))[3] || '' ) =~ / :: (?:
158 # these are public API parts that alter behavior on wantarray
159 search | search_related | slice | search_literal
163 # these are explicitly prefixed, since we only recognize them as valid
164 # escapes when they come from the guts of CDBICompat
165 CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all )
172 (caller($cf))[0] =~ /^(?:DBIx::Class|DBICx::)/
176 DBIx::Class::Exception->throw( sprintf (
177 "Improper use of %s(0x%x) instance in list context at %s line %d\n\n\tStacktrace starts",
178 ref($obj), refaddr($obj), (caller($cf))[1,2]
179 ), 'with_stacktrace');
183 weaken ( $list_ctx_ok_stack_marker = $mark );