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1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
4 | use warnings; |
5 | use strict; |
6 | |
7 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ($] < 5.010 ? 1 : 0); |
8 | |
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9 | BEGIN { |
10 | package # hide from pause |
11 | DBIx::Class::_ENV_; |
12 | |
13 | use Config; |
14 | |
15 | use constant { |
16 | |
17 | # but of course |
18 | BROKEN_FORK => ($^O eq 'MSWin32') ? 1 : 0, |
19 | |
20 | HAS_ITHREADS => $Config{useithreads} ? 1 : 0, |
21 | |
22 | # ::Runmode would only be loaded by DBICTest, which in turn implies t/ |
23 | DBICTEST => eval { DBICTest::RunMode->is_author } ? 1 : 0, |
24 | |
25 | # During 5.13 dev cycle HELEMs started to leak on copy |
26 | PEEPEENESS => |
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 |
32 | : 0 |
33 | , |
34 | |
35 | ASSERT_NO_INTERNAL_WANTARRAY => $ENV{DBIC_ASSERT_NO_INTERNAL_WANTARRAY} ? 1 : 0, |
36 | |
37 | IV_SIZE => $Config{ivsize}, |
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38 | |
39 | OS_NAME => $^O, |
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40 | }; |
41 | |
42 | if ($] < 5.009_005) { |
43 | require MRO::Compat; |
44 | constant->import( OLD_MRO => 1 ); |
45 | } |
46 | else { |
47 | require mro; |
48 | constant->import( OLD_MRO => 0 ); |
49 | } |
50 | } |
51 | |
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52 | use Carp; |
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53 | use Scalar::Util qw(refaddr weaken); |
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54 | |
55 | use base 'Exporter'; |
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56 | our @EXPORT_OK = qw(sigwarn_silencer modver_gt_or_eq fail_on_internal_wantarray); |
57 | |
58 | sub sigwarn_silencer { |
59 | my $pattern = shift; |
60 | |
61 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
62 | |
63 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
64 | |
65 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
66 | } |
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67 | |
68 | sub modver_gt_or_eq { |
69 | my ($mod, $ver) = @_; |
70 | |
71 | croak "Nonsensical module name supplied" |
72 | if ! defined $mod or ! length $mod; |
73 | |
74 | croak "Nonsensical minimum version supplied" |
75 | if ! defined $ver or $ver =~ /[^0-9\.\_]/; |
76 | |
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77 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
78 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
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79 | |
80 | local $@; |
81 | eval { $mod->VERSION($ver) } ? 1 : 0; |
82 | } |
83 | |
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84 | { |
85 | my $list_ctx_ok_stack_marker; |
86 | |
87 | sub fail_on_internal_wantarray { |
88 | return if $list_ctx_ok_stack_marker; |
89 | |
90 | if (! defined wantarray) { |
91 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
92 | } |
93 | |
94 | my $cf = 1; |
95 | while ( ( (caller($cf+1))[3] || '' ) =~ / :: (?: |
96 | |
97 | # these are public API parts that alter behavior on wantarray |
98 | search | search_related | slice | search_literal |
99 | |
100 | | |
101 | |
102 | # these are explicitly prefixed, since we only recognize them as valid |
103 | # escapes when they come from the guts of CDBICompat |
104 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
105 | |
106 | ) $/x ) { |
107 | $cf++; |
108 | } |
109 | |
110 | if ( |
111 | (caller($cf))[0] =~ /^(?:DBIx::Class|DBICx::)/ |
112 | ) { |
113 | my $obj = shift; |
114 | |
115 | DBIx::Class::Exception->throw( sprintf ( |
116 | "Improper use of %s(0x%x) instance in list context at %s line %d\n\n\tStacktrace starts", |
117 | ref($obj), refaddr($obj), (caller($cf))[1,2] |
118 | ), 'with_stacktrace'); |
119 | } |
120 | |
121 | my $mark = []; |
122 | weaken ( $list_ctx_ok_stack_marker = $mark ); |
123 | $mark; |
124 | } |
125 | } |
126 | |
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127 | 1; |