Filename | /home/ss5/perl5/perlbrew/perls/perl-5.22.0/lib/site_perl/5.22.0/Class/Load.pm |
Statements | Executed 23 statements in 880µs |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
1 | 1 | 1 | 654µs | 752µs | BEGIN@9 | Class::Load::
1 | 1 | 1 | 605µs | 1.73ms | BEGIN@11 | Class::Load::
1 | 1 | 1 | 467µs | 4.47ms | BEGIN@10 | Class::Load::
1 | 1 | 1 | 10µs | 12µs | BEGIN@1 | Moose::
1 | 1 | 1 | 6µs | 11µs | BEGIN@12 | Class::Load::
1 | 1 | 1 | 4µs | 9µs | BEGIN@2 | Moose::
1 | 1 | 1 | 4µs | 28µs | BEGIN@13 | Class::Load::
0 | 0 | 0 | 0s | 0s | __ANON__[:149] | Class::Load::
0 | 0 | 0 | 0s | 0s | __ANON__[:152] | Class::Load::
0 | 0 | 0 | 0s | 0s | __ANON__[:177] | Class::Load::
0 | 0 | 0 | 0s | 0s | __ANON__[:180] | Class::Load::
0 | 0 | 0 | 0s | 0s | _croak | Class::Load::
0 | 0 | 0 | 0s | 0s | _error | Class::Load::
0 | 0 | 0 | 0s | 0s | _nonexistent_fail_re | Class::Load::
0 | 0 | 0 | 0s | 0s | _or_list | Class::Load::
0 | 0 | 0 | 0s | 0s | _version_fail_re | Class::Load::
0 | 0 | 0 | 0s | 0s | load_class | Class::Load::
0 | 0 | 0 | 0s | 0s | load_first_existing_class | Class::Load::
0 | 0 | 0 | 0s | 0s | load_optional_class | Class::Load::
0 | 0 | 0 | 0s | 0s | try_load_class | Class::Load::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | 2 | 14µs | 2 | 14µs | # spent 12µs (10+2) within Moose::BEGIN@1 which was called:
# once (10µs+2µs) by Moose::BEGIN@12 at line 1 # spent 12µs making 1 call to Moose::BEGIN@1
# spent 2µs making 1 call to strict::import |
2 | 2 | 28µs | 2 | 14µs | # spent 9µs (4+5) within Moose::BEGIN@2 which was called:
# once (4µs+5µs) by Moose::BEGIN@12 at line 2 # spent 9µs making 1 call to Moose::BEGIN@2
# spent 5µs making 1 call to warnings::import |
3 | package Class::Load; # git description: v0.22-9-g29ebb54 | ||||
4 | # ABSTRACT: A working (require "Class::Name") and more | ||||
5 | # KEYWORDS: class module load require use runtime | ||||
6 | |||||
7 | 1 | 300ns | our $VERSION = '0.23'; | ||
8 | |||||
9 | 2 | 55µs | 2 | 802µs | # spent 752µs (654+98) within Class::Load::BEGIN@9 which was called:
# once (654µs+98µs) by Moose::BEGIN@12 at line 9 # spent 752µs making 1 call to Class::Load::BEGIN@9
# spent 50µs making 1 call to base::import |
10 | 2 | 63µs | 1 | 4.47ms | # spent 4.47ms (467µs+4.00) within Class::Load::BEGIN@10 which was called:
# once (467µs+4.00ms) by Moose::BEGIN@12 at line 10 # spent 4.47ms making 1 call to Class::Load::BEGIN@10 |
11 | 3 | 111µs | 2 | 1.74ms | # spent 1.73ms (605µs+1.13) within Class::Load::BEGIN@11 which was called:
# once (605µs+1.13ms) by Moose::BEGIN@12 at line 11 # spent 1.73ms making 1 call to Class::Load::BEGIN@11
# spent 10µs making 1 call to UNIVERSAL::VERSION |
12 | 3 | 21µs | 2 | 16µs | # spent 11µs (6+5) within Class::Load::BEGIN@12 which was called:
# once (6µs+5µs) by Moose::BEGIN@12 at line 12 # spent 11µs making 1 call to Class::Load::BEGIN@12
# spent 5µs making 1 call to UNIVERSAL::VERSION |
13 | 2 | 573µs | 2 | 51µs | # spent 28µs (4+24) within Class::Load::BEGIN@13 which was called:
# once (4µs+24µs) by Moose::BEGIN@12 at line 13 # spent 28µs making 1 call to Class::Load::BEGIN@13
# spent 24µs making 1 call to Exporter::import |
14 | |||||
15 | { | ||||
16 | 2 | 4µs | 1 | 19µs | my $loader = Module::Implementation::build_loader_sub( # spent 19µs making 1 call to Module::Implementation::build_loader_sub |
17 | implementations => [ 'XS', 'PP' ], | ||||
18 | symbols => ['is_class_loaded'], | ||||
19 | ); | ||||
20 | |||||
21 | 1 | 3µs | 1 | 473µs | $loader->(); # spent 473µs making 1 call to Module::Implementation::__ANON__[Module/Implementation.pm:52] |
22 | } | ||||
23 | |||||
24 | 1 | 1µs | our @EXPORT_OK = qw/load_class load_optional_class try_load_class is_class_loaded load_first_existing_class/; | ||
25 | 1 | 1µs | our %EXPORT_TAGS = ( | ||
26 | all => \@EXPORT_OK, | ||||
27 | ); | ||||
28 | |||||
29 | our $ERROR; | ||||
30 | |||||
31 | sub load_class { | ||||
32 | my $class = shift; | ||||
33 | my $options = shift; | ||||
34 | |||||
35 | my ($res, $e) = try_load_class($class, $options); | ||||
36 | return $class if $res; | ||||
37 | |||||
38 | _croak($e); | ||||
39 | } | ||||
40 | |||||
41 | sub load_first_existing_class { | ||||
42 | my $classes = Data::OptList::mkopt(\@_) | ||||
43 | or return; | ||||
44 | |||||
45 | foreach my $class (@{$classes}) { | ||||
46 | Module::Runtime::check_module_name($class->[0]); | ||||
47 | } | ||||
48 | |||||
49 | for my $class (@{$classes}) { | ||||
50 | my ($name, $options) = @{$class}; | ||||
51 | |||||
52 | # We need to be careful not to pass an undef $options to this sub, | ||||
53 | # since the XS version will blow up if that happens. | ||||
54 | return $name if is_class_loaded($name, ($options ? $options : ())); | ||||
55 | |||||
56 | my ($res, $e) = try_load_class($name, $options); | ||||
57 | |||||
58 | return $name if $res; | ||||
59 | |||||
60 | my $file = Module::Runtime::module_notional_filename($name); | ||||
61 | |||||
62 | next if $e =~ /^Can't locate \Q$file\E in \@INC/; | ||||
63 | next | ||||
64 | if $options | ||||
65 | && defined $options->{-version} | ||||
66 | && $e =~ _version_fail_re($name, $options->{-version}); | ||||
67 | |||||
68 | _croak("Couldn't load class ($name) because: $e"); | ||||
69 | } | ||||
70 | |||||
71 | my @list = map { | ||||
72 | $_->[0] | ||||
73 | . ( $_->[1] && defined $_->[1]{-version} | ||||
74 | ? " (version >= $_->[1]{-version})" | ||||
75 | : q{} ) | ||||
76 | } @{$classes}; | ||||
77 | |||||
78 | my $err | ||||
79 | .= q{Can't locate } | ||||
80 | . _or_list(@list) | ||||
81 | . " in \@INC (\@INC contains: @INC)."; | ||||
82 | _croak($err); | ||||
83 | } | ||||
84 | |||||
85 | sub _version_fail_re { | ||||
86 | my $name = shift; | ||||
87 | my $vers = shift; | ||||
88 | |||||
89 | return qr/\Q$name\E version \Q$vers\E required--this is only version/; | ||||
90 | } | ||||
91 | |||||
92 | sub _nonexistent_fail_re { | ||||
93 | my $name = shift; | ||||
94 | |||||
95 | my $file = Module::Runtime::module_notional_filename($name); | ||||
96 | return qr/Can't locate \Q$file\E in \@INC/; | ||||
97 | } | ||||
98 | |||||
99 | sub _or_list { | ||||
100 | return $_[0] if @_ == 1; | ||||
101 | |||||
102 | return join ' or ', @_ if @_ ==2; | ||||
103 | |||||
104 | my $last = pop; | ||||
105 | |||||
106 | my $list = join ', ', @_; | ||||
107 | $list .= ', or ' . $last; | ||||
108 | |||||
109 | return $list; | ||||
110 | } | ||||
111 | |||||
112 | sub load_optional_class { | ||||
113 | my $class = shift; | ||||
114 | my $options = shift; | ||||
115 | |||||
116 | Module::Runtime::check_module_name($class); | ||||
117 | |||||
118 | my ($res, $e) = try_load_class($class, $options); | ||||
119 | return 1 if $res; | ||||
120 | |||||
121 | return 0 | ||||
122 | if $options | ||||
123 | && defined $options->{-version} | ||||
124 | && $e =~ _version_fail_re($class, $options->{-version}); | ||||
125 | |||||
126 | return 0 | ||||
127 | if $e =~ _nonexistent_fail_re($class); | ||||
128 | |||||
129 | _croak($e); | ||||
130 | } | ||||
131 | |||||
132 | sub try_load_class { | ||||
133 | my $class = shift; | ||||
134 | my $options = shift; | ||||
135 | |||||
136 | Module::Runtime::check_module_name($class); | ||||
137 | |||||
138 | local $@; | ||||
139 | undef $ERROR; | ||||
140 | |||||
141 | if (is_class_loaded($class)) { | ||||
142 | # We need to check this here rather than in is_class_loaded() because | ||||
143 | # we want to return the error message for a failed version check, but | ||||
144 | # is_class_loaded just returns true/false. | ||||
145 | return 1 unless $options && defined $options->{-version}; | ||||
146 | return try { | ||||
147 | $class->VERSION($options->{-version}); | ||||
148 | 1; | ||||
149 | } | ||||
150 | catch { | ||||
151 | _error($_); | ||||
152 | }; | ||||
153 | } | ||||
154 | |||||
155 | my $file = Module::Runtime::module_notional_filename($class); | ||||
156 | # This says "our diagnostics of the package | ||||
157 | # say perl's INC status about the file being loaded are | ||||
158 | # wrong", so we delete it from %INC, so when we call require(), | ||||
159 | # perl will *actually* try reloading the file. | ||||
160 | # | ||||
161 | # If the file is already in %INC, it won't retry, | ||||
162 | # And on 5.8, it won't fail either! | ||||
163 | # | ||||
164 | # The extra benefit of this trick, is it helps even on | ||||
165 | # 5.10, as instead of dying with "Compilation failed", | ||||
166 | # it will die with the actual error, and that's a win-win. | ||||
167 | delete $INC{$file}; | ||||
168 | return try { | ||||
169 | local $SIG{__DIE__} = 'DEFAULT'; | ||||
170 | if ($options && defined $options->{-version}) { | ||||
171 | Module::Runtime::use_module($class, $options->{-version}); | ||||
172 | } | ||||
173 | else { | ||||
174 | Module::Runtime::require_module($class); | ||||
175 | } | ||||
176 | 1; | ||||
177 | } | ||||
178 | catch { | ||||
179 | _error($_); | ||||
180 | }; | ||||
181 | } | ||||
182 | |||||
183 | sub _error { | ||||
184 | my $e = shift; | ||||
185 | |||||
186 | $e =~ s/ at .+?Runtime\.pm line [0-9]+\.$//; | ||||
187 | chomp $e; | ||||
188 | |||||
189 | $ERROR = $e; | ||||
190 | return 0 unless wantarray; | ||||
191 | return 0, $ERROR; | ||||
192 | } | ||||
193 | |||||
194 | sub _croak { | ||||
195 | require Carp; | ||||
196 | local $Carp::CarpLevel = $Carp::CarpLevel + 2; | ||||
197 | Carp::croak(shift); | ||||
198 | } | ||||
199 | |||||
200 | 1 | 4µs | 1; | ||
201 | |||||
202 | __END__ |