Commit | Line | Data |
b1dbf716 |
1 | package # hide from PAUSE |
2 | DBIx::Class::_Util; |
3 | |
4 | use warnings; |
5 | use strict; |
6 | |
7 | use constant SPURIOUS_VERSION_CHECK_WARNINGS => ($] < 5.010 ? 1 : 0); |
8 | |
37873f78 |
9 | BEGIN { |
10 | package # hide from pause |
11 | DBIx::Class::_ENV_; |
12 | |
13 | use Config; |
14 | |
15 | use constant { |
16 | |
17 | # but of course |
18 | BROKEN_FORK => ($^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 => $Config{ivsize}, |
38 | }; |
39 | |
40 | if ($] < 5.009_005) { |
41 | require MRO::Compat; |
42 | constant->import( OLD_MRO => 1 ); |
43 | } |
44 | else { |
45 | require mro; |
46 | constant->import( OLD_MRO => 0 ); |
47 | } |
48 | } |
49 | |
b1dbf716 |
50 | use Carp; |
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51 | use Scalar::Util qw(refaddr weaken); |
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52 | |
53 | use base 'Exporter'; |
052a832c |
54 | our @EXPORT_OK = qw(sigwarn_silencer modver_gt_or_eq fail_on_internal_wantarray); |
55 | |
56 | sub sigwarn_silencer { |
57 | my $pattern = shift; |
58 | |
59 | croak "Expecting a regexp" if ref $pattern ne 'Regexp'; |
60 | |
61 | my $orig_sig_warn = $SIG{__WARN__} || sub { CORE::warn(@_) }; |
62 | |
63 | return sub { &$orig_sig_warn unless $_[0] =~ $pattern }; |
64 | } |
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65 | |
66 | sub modver_gt_or_eq { |
67 | my ($mod, $ver) = @_; |
68 | |
69 | croak "Nonsensical module name supplied" |
70 | if ! defined $mod or ! length $mod; |
71 | |
72 | croak "Nonsensical minimum version supplied" |
73 | if ! defined $ver or $ver =~ /[^0-9\.\_]/; |
74 | |
052a832c |
75 | local $SIG{__WARN__} = sigwarn_silencer( qr/\Qisn't numeric in subroutine entry/ ) |
76 | if SPURIOUS_VERSION_CHECK_WARNINGS; |
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77 | |
78 | local $@; |
79 | eval { $mod->VERSION($ver) } ? 1 : 0; |
80 | } |
81 | |
a9da9b6a |
82 | { |
83 | my $list_ctx_ok_stack_marker; |
84 | |
85 | sub fail_on_internal_wantarray { |
86 | return if $list_ctx_ok_stack_marker; |
87 | |
88 | if (! defined wantarray) { |
89 | croak('fail_on_internal_wantarray() needs a tempvar to save the stack marker guard'); |
90 | } |
91 | |
92 | my $cf = 1; |
93 | while ( ( (caller($cf+1))[3] || '' ) =~ / :: (?: |
94 | |
95 | # these are public API parts that alter behavior on wantarray |
96 | search | search_related | slice | search_literal |
97 | |
98 | | |
99 | |
100 | # these are explicitly prefixed, since we only recognize them as valid |
101 | # escapes when they come from the guts of CDBICompat |
102 | CDBICompat .*? :: (?: search_where | retrieve_from_sql | retrieve_all ) |
103 | |
104 | ) $/x ) { |
105 | $cf++; |
106 | } |
107 | |
108 | if ( |
109 | (caller($cf))[0] =~ /^(?:DBIx::Class|DBICx::)/ |
110 | ) { |
111 | my $obj = shift; |
112 | |
113 | DBIx::Class::Exception->throw( sprintf ( |
114 | "Improper use of %s(0x%x) instance in list context at %s line %d\n\n\tStacktrace starts", |
115 | ref($obj), refaddr($obj), (caller($cf))[1,2] |
116 | ), 'with_stacktrace'); |
117 | } |
118 | |
119 | my $mark = []; |
120 | weaken ( $list_ctx_ok_stack_marker = $mark ); |
121 | $mark; |
122 | } |
123 | } |
124 | |
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125 | 1; |