Filename | /home/ss5/perl5/perlbrew/perls/perl-5.22.0/lib/site_perl/5.22.0/Try/Tiny.pm |
Statements | Executed 139159 statements in 193ms |
Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
---|---|---|---|---|---|
5472 | 15 | 11 | 102ms | 20.7s | try (recurses: max depth 3, inclusive time 1.55s) | Try::Tiny::
5472 | 15 | 11 | 45.3ms | 83.0ms | catch | Try::Tiny::
1 | 1 | 1 | 211µs | 234µs | BEGIN@16 | Try::Tiny::
1 | 1 | 1 | 9µs | 9µs | BEGIN@2 | Try::Tiny::
1 | 1 | 1 | 8µs | 20µs | BEGIN@10 | Try::Tiny::
1 | 1 | 1 | 8µs | 64µs | BEGIN@161 | Try::Tiny::ScopeGuard::
1 | 1 | 1 | 6µs | 9µs | BEGIN@8 | Try::Tiny::
1 | 1 | 1 | 5µs | 40µs | BEGIN@13 | Try::Tiny::
1 | 1 | 1 | 4µs | 6µs | BEGIN@7 | Try::Tiny::
0 | 0 | 0 | 0s | 0s | DESTROY | Try::Tiny::ScopeGuard::
0 | 0 | 0 | 0s | 0s | _new | Try::Tiny::ScopeGuard::
0 | 0 | 0 | 0s | 0s | __ANON__[:28] | Try::Tiny::
0 | 0 | 0 | 0s | 0s | finally | Try::Tiny::
Line | State ments |
Time on line |
Calls | Time in subs |
Code |
---|---|---|---|---|---|
1 | package Try::Tiny; # git description: v0.23-3-g5ee27f1 | ||||
2 | 2 | 32µs | 1 | 9µs | # spent 9µs within Try::Tiny::BEGIN@2 which was called:
# once (9µs+0s) by Module::Implementation::BEGIN@9 at line 2 # spent 9µs making 1 call to Try::Tiny::BEGIN@2 |
3 | # ABSTRACT: minimal try/catch with proper preservation of $@ | ||||
4 | |||||
5 | 1 | 300ns | our $VERSION = '0.24'; | ||
6 | |||||
7 | 2 | 14µs | 2 | 7µs | # spent 6µs (4+1) within Try::Tiny::BEGIN@7 which was called:
# once (4µs+1µs) by Module::Implementation::BEGIN@9 at line 7 # spent 6µs making 1 call to Try::Tiny::BEGIN@7
# spent 1µs making 1 call to strict::import |
8 | 2 | 15µs | 2 | 13µs | # spent 9µs (6+3) within Try::Tiny::BEGIN@8 which was called:
# once (6µs+3µs) by Module::Implementation::BEGIN@9 at line 8 # spent 9µs making 1 call to Try::Tiny::BEGIN@8
# spent 3µs making 1 call to warnings::import |
9 | |||||
10 | 3 | 37µs | 3 | 32µs | # spent 20µs (8+12) within Try::Tiny::BEGIN@10 which was called:
# once (8µs+12µs) by Module::Implementation::BEGIN@9 at line 10 # spent 20µs making 1 call to Try::Tiny::BEGIN@10
# spent 7µs making 1 call to Exporter::import
# spent 4µs making 1 call to UNIVERSAL::VERSION |
11 | 1 | 1µs | our @EXPORT = our @EXPORT_OK = qw(try catch finally); | ||
12 | |||||
13 | 2 | 114µs | 2 | 75µs | # spent 40µs (5+35) within Try::Tiny::BEGIN@13 which was called:
# once (5µs+35µs) by Module::Implementation::BEGIN@9 at line 13 # spent 40µs making 1 call to Try::Tiny::BEGIN@13
# spent 35µs making 1 call to Exporter::import |
14 | 1 | 600ns | $Carp::Internal{+__PACKAGE__}++; | ||
15 | |||||
16 | # spent 234µs (211+23) within Try::Tiny::BEGIN@16 which was called:
# once (211µs+23µs) by Module::Implementation::BEGIN@9 at line 30 | ||||
17 | 1 | 500ns | my $su = $INC{'Sub/Util.pm'} && defined &Sub::Util::set_subname; | ||
18 | 1 | 0s | my $sn = $INC{'Sub/Name.pm'} && eval { Sub::Name->VERSION(0.08) }; | ||
19 | 1 | 300ns | unless ($su || $sn) { | ||
20 | 2 | 68µs | $su = eval { require Sub::Util; } && defined &Sub::Util::set_subname; | ||
21 | 1 | 200ns | unless ($su) { | ||
22 | $sn = eval { require Sub::Name; Sub::Name->VERSION(0.08) }; | ||||
23 | } | ||||
24 | } | ||||
25 | |||||
26 | *_subname = $su ? \&Sub::Util::set_subname | ||||
27 | : $sn ? \&Sub::Name::subname | ||||
28 | 1 | 900ns | : sub { $_[1] }; | ||
29 | 1 | 2µs | *_HAS_SUBNAME = ($su || $sn) ? sub(){1} : sub(){0}; | ||
30 | 1 | 269µs | 1 | 234µs | } # spent 234µs making 1 call to Try::Tiny::BEGIN@16 |
31 | |||||
32 | # Need to prototype as @ not $$ because of the way Perl evaluates the prototype. | ||||
33 | # Keeping it at $$ means you only ever get 1 sub because we need to eval in a list | ||||
34 | # context & not a scalar one | ||||
35 | |||||
36 | # spent 20.7s (102ms+20.6) within Try::Tiny::try which was called 5472 times, avg 3.78ms/call:
# 1001 times (10.7ms+20.4s) by Search::Elasticsearch::Transport::perform_request at line 41 of Search/Elasticsearch/Transport.pm, avg 20.4ms/call
# 1001 times (29.9ms+128ms) by Search::Elasticsearch::Role::Client::Direct::parse_request at line 38 of Search/Elasticsearch/Role/Client/Direct.pm, avg 157µs/call
# 1001 times (21.7ms+-21.7ms) by Search::Elasticsearch::Role::Serializer::JSON::decode at line 85 of Search/Elasticsearch/Role/Serializer/JSON.pm, avg 0s/call
# 1001 times (24.8ms+-24.8ms) by Search::Elasticsearch::Role::Cxn::pings_ok at line 193 of Search/Elasticsearch/Role/Cxn.pm, avg 0s/call
# 1000 times (10.7ms+21.2ms) by Search::Elasticsearch::Role::Serializer::JSON::encode at line 25 of Search/Elasticsearch/Role/Serializer/JSON.pm, avg 32µs/call
# 193 times (1.37ms+25.3ms) by Class::MOP::Attribute::_process_accessors at line 423 of Class/MOP/Attribute.pm, avg 138µs/call
# 135 times (1.08ms+37.2ms) by Class::MOP::Class::_post_add_attribute at line 904 of Class/MOP/Class.pm, avg 284µs/call
# 56 times (480µs+-480µs) by Class::MOP::Method::Accessor::_generate_reader_method_inline at line 169 of Class/MOP/Method/Accessor.pm, avg 0s/call
# 31 times (284µs+10.9ms) by Class::MOP::Method::Constructor::_generate_constructor_method_inline at line 115 of Class/MOP/Method/Constructor.pm, avg 362µs/call
# 25 times (231µs+-231µs) by Class::MOP::Method::Accessor::_generate_accessor_method_inline at line 127 of Class/MOP/Method/Accessor.pm, avg 0s/call
# 15 times (121µs+-121µs) by Class::MOP::Method::Accessor::_generate_predicate_method_inline at line 230 of Class/MOP/Method/Accessor.pm, avg 0s/call
# 6 times (56µs+-56µs) by Moose::Meta::Method::Accessor::_compile_code at line 41 of Moose/Meta/Method/Accessor.pm, avg 0s/call
# 3 times (45µs+1.87ms) by Module::Implementation::_load_implementation at line 98 of Module/Implementation.pm, avg 638µs/call
# 3 times (21µs+-21µs) by Class::MOP::Method::Accessor::_generate_writer_method_inline at line 202 of Class/MOP/Method/Accessor.pm, avg 0s/call
# once (9µs+109µs) by Moose::Meta::Method::Destructor::_initialize_body at line 100 of Moose/Meta/Method/Destructor.pm | ||||
37 | 5472 | 2.89ms | my ( $try, @code_refs ) = @_; | ||
38 | |||||
39 | # we need to save this here, the eval block will be in scalar context due | ||||
40 | # to $failed | ||||
41 | 5472 | 1.92ms | my $wantarray = wantarray; | ||
42 | |||||
43 | # work around perl bug by explicitly initializing these, due to the likelyhood | ||||
44 | # this will be used in global destruction (perl rt#119311) | ||||
45 | 5472 | 2.02ms | my ( $catch, @finally ) = (); | ||
46 | |||||
47 | # find labeled blocks in the argument list. | ||||
48 | # catch and finally tag the blocks by blessing a scalar reference to them. | ||||
49 | 5472 | 4.20ms | foreach my $code_ref (@code_refs) { | ||
50 | |||||
51 | 5472 | 5.60ms | if ( ref($code_ref) eq 'Try::Tiny::Catch' ) { | ||
52 | 5472 | 810µs | croak 'A try() may not be followed by multiple catch() blocks' | ||
53 | if $catch; | ||||
54 | 5472 | 1.68ms | $catch = ${$code_ref}; | ||
55 | } elsif ( ref($code_ref) eq 'Try::Tiny::Finally' ) { | ||||
56 | push @finally, ${$code_ref}; | ||||
57 | } else { | ||||
58 | croak( | ||||
59 | 'try() encountered an unexpected argument (' | ||||
60 | . ( defined $code_ref ? $code_ref : 'undef' ) | ||||
61 | . ') - perhaps a missing semi-colon before or' | ||||
62 | ); | ||||
63 | } | ||||
64 | } | ||||
65 | |||||
66 | # FIXME consider using local $SIG{__DIE__} to accumulate all errors. It's | ||||
67 | # not perfect, but we could provide a list of additional errors for | ||||
68 | # $catch->(); | ||||
69 | |||||
70 | # name the blocks if we have Sub::Name installed | ||||
71 | 5472 | 2.19ms | my $caller = caller; | ||
72 | 5472 | 34.6ms | 5472 | 19.8ms | _subname("${caller}::try {...} " => $try) # spent 19.8ms making 5472 calls to Sub::Util::set_subname, avg 4µs/call |
73 | if _HAS_SUBNAME; | ||||
74 | |||||
75 | # save the value of $@ so we can set $@ back to it in the beginning of the eval | ||||
76 | # and restore $@ after the eval finishes | ||||
77 | 5472 | 2.02ms | my $prev_error = $@; | ||
78 | |||||
79 | 5472 | 912µs | my ( @ret, $error ); | ||
80 | |||||
81 | # failed will be true if the eval dies, because 1 will not be returned | ||||
82 | # from the eval body | ||||
83 | 5472 | 10.3ms | my $failed = not eval { | ||
84 | 5472 | 1.29ms | $@ = $prev_error; | ||
85 | |||||
86 | # evaluate the try block in the correct context | ||||
87 | 5472 | 6.71ms | 3139 | 1.51s | if ( $wantarray ) { # spent 1.44s making 1001 calls to Search::Elasticsearch::Role::Cxn::try {...} , avg 1.44ms/call
# spent 34.1ms making 2001 calls to Search::Elasticsearch::Role::Serializer::JSON::try {...} , avg 17µs/call
# spent 19.5ms making 99 calls to Class::MOP::Method::Accessor::try {...} , avg 197µs/call
# spent 10.9ms making 31 calls to Class::MOP::Method::Constructor::try {...} , avg 351µs/call
# spent 1.66ms making 6 calls to Moose::Meta::Method::Accessor::try {...} , avg 276µs/call
# spent 106µs making 1 call to Moose::Meta::Method::Destructor::try {...} |
88 | @ret = $try->(); | ||||
89 | } elsif ( defined $wantarray ) { | ||||
90 | $ret[0] = $try->(); | ||||
91 | } else { | ||||
92 | 2333 | 2.13ms | 2333 | 20.6s | $try->(); # spent 20.4s making 1001 calls to Search::Elasticsearch::Transport::try {...} , avg 20.4ms/call
# spent 123ms making 1001 calls to Search::Elasticsearch::Role::Client::Direct::try {...} , avg 123µs/call
# spent 37.0ms making 135 calls to Class::MOP::Class::try {...} , avg 274µs/call
# spent 34.0ms making 193 calls to Class::MOP::Attribute::try {...} , avg 176µs/call
# spent 1.86ms making 3 calls to Module::Implementation::try {...} , avg 620µs/call |
93 | }; | ||||
94 | |||||
95 | 5472 | 2.93ms | return 1; # properly set $failed to false | ||
96 | }; | ||||
97 | |||||
98 | # preserve the current error and reset the original value of $@ | ||||
99 | 5472 | 1.74ms | $error = $@; | ||
100 | 5472 | 1.34ms | $@ = $prev_error; | ||
101 | |||||
102 | # set up a scope guard to invoke the finally block at the end | ||||
103 | my @guards = | ||||
104 | 5472 | 3.67ms | map { Try::Tiny::ScopeGuard->_new($_, $failed ? $error : ()) } | ||
105 | @finally; | ||||
106 | |||||
107 | # at this point $failed contains a true value if the eval died, even if some | ||||
108 | # destructor overwrote $@ as the eval was unwinding. | ||||
109 | 5472 | 1.39ms | if ( $failed ) { | ||
110 | # if we got an error, invoke the catch block. | ||||
111 | if ( $catch ) { | ||||
112 | # This works like given($error), but is backwards compatible and | ||||
113 | # sets $_ in the dynamic scope for the body of C<$catch> | ||||
114 | for ($error) { | ||||
115 | return $catch->($error); | ||||
116 | } | ||||
117 | |||||
118 | # in case when() was used without an explicit return, the C<for> | ||||
119 | # loop will be aborted and there's no useful return value | ||||
120 | } | ||||
121 | |||||
122 | return; | ||||
123 | } else { | ||||
124 | # no failure, $@ is back to what it was, everything is fine | ||||
125 | 5472 | 16.3ms | return $wantarray ? @ret : $ret[0]; | ||
126 | } | ||||
127 | } | ||||
128 | |||||
129 | # spent 83.0ms (45.3+37.7) within Try::Tiny::catch which was called 5472 times, avg 15µs/call:
# 1001 times (21.8ms+10.1ms) by Search::Elasticsearch::Role::Client::Direct::parse_request at line 38 of Search/Elasticsearch/Role/Client/Direct.pm, avg 32µs/call
# 1001 times (12.3ms+12.8ms) by Search::Elasticsearch::Role::Serializer::JSON::decode at line 85 of Search/Elasticsearch/Role/Serializer/JSON.pm, avg 25µs/call
# 1001 times (3.07ms+4.18ms) by Search::Elasticsearch::Role::Cxn::pings_ok at line 193 of Search/Elasticsearch/Role/Cxn.pm, avg 7µs/call
# 1001 times (2.90ms+3.69ms) by Search::Elasticsearch::Transport::perform_request at line 41 of Search/Elasticsearch/Transport.pm, avg 7µs/call
# 1000 times (3.86ms+5.53ms) by Search::Elasticsearch::Role::Serializer::JSON::encode at line 25 of Search/Elasticsearch/Role/Serializer/JSON.pm, avg 9µs/call
# 193 times (522µs+530µs) by Class::MOP::Attribute::_process_accessors at line 423 of Class/MOP/Attribute.pm, avg 5µs/call
# 135 times (429µs+451µs) by Class::MOP::Class::_post_add_attribute at line 904 of Class/MOP/Class.pm, avg 7µs/call
# 56 times (137µs+153µs) by Class::MOP::Method::Accessor::_generate_reader_method_inline at line 169 of Class/MOP/Method/Accessor.pm, avg 5µs/call
# 31 times (104µs+127µs) by Class::MOP::Method::Constructor::_generate_constructor_method_inline at line 115 of Class/MOP/Method/Constructor.pm, avg 7µs/call
# 25 times (62µs+68µs) by Class::MOP::Method::Accessor::_generate_accessor_method_inline at line 127 of Class/MOP/Method/Accessor.pm, avg 5µs/call
# 15 times (35µs+36µs) by Class::MOP::Method::Accessor::_generate_predicate_method_inline at line 230 of Class/MOP/Method/Accessor.pm, avg 5µs/call
# 6 times (16µs+22µs) by Moose::Meta::Method::Accessor::_compile_code at line 41 of Moose/Meta/Method/Accessor.pm, avg 6µs/call
# 3 times (23µs+28µs) by Module::Implementation::_load_implementation at line 98 of Module/Implementation.pm, avg 17µs/call
# 3 times (7µs+7µs) by Class::MOP::Method::Accessor::_generate_writer_method_inline at line 202 of Class/MOP/Method/Accessor.pm, avg 5µs/call
# once (3µs+4µs) by Moose::Meta::Method::Destructor::_initialize_body at line 100 of Moose/Meta/Method/Destructor.pm | ||||
130 | 5472 | 2.38ms | my ( $block, @rest ) = @_; | ||
131 | |||||
132 | 5472 | 1.41ms | croak 'Useless bare catch()' unless wantarray; | ||
133 | |||||
134 | 5472 | 3.75ms | my $caller = caller; | ||
135 | 5472 | 62.6ms | 5472 | 37.7ms | _subname("${caller}::catch {...} " => $block) # spent 37.7ms making 5472 calls to Sub::Util::set_subname, avg 7µs/call |
136 | if _HAS_SUBNAME; | ||||
137 | return ( | ||||
138 | 5472 | 15.5ms | bless(\$block, 'Try::Tiny::Catch'), | ||
139 | @rest, | ||||
140 | ); | ||||
141 | } | ||||
142 | |||||
143 | sub finally (&;@) { | ||||
144 | my ( $block, @rest ) = @_; | ||||
145 | |||||
146 | croak 'Useless bare finally()' unless wantarray; | ||||
147 | |||||
148 | my $caller = caller; | ||||
149 | _subname("${caller}::finally {...} " => $block) | ||||
150 | if _HAS_SUBNAME; | ||||
151 | return ( | ||||
152 | bless(\$block, 'Try::Tiny::Finally'), | ||||
153 | @rest, | ||||
154 | ); | ||||
155 | } | ||||
156 | |||||
157 | { | ||||
158 | package # hide from PAUSE | ||||
159 | Try::Tiny::ScopeGuard; | ||||
160 | |||||
161 | 2 | 96µs | 2 | 120µs | # spent 64µs (8+56) within Try::Tiny::ScopeGuard::BEGIN@161 which was called:
# once (8µs+56µs) by Module::Implementation::BEGIN@9 at line 161 # spent 64µs making 1 call to Try::Tiny::ScopeGuard::BEGIN@161
# spent 56µs making 1 call to constant::import |
162 | |||||
163 | sub _new { | ||||
164 | shift; | ||||
165 | bless [ @_ ]; | ||||
166 | } | ||||
167 | |||||
168 | sub DESTROY { | ||||
169 | my ($code, @args) = @{ $_[0] }; | ||||
170 | |||||
171 | local $@ if UNSTABLE_DOLLARAT; | ||||
172 | eval { | ||||
173 | $code->(@args); | ||||
174 | 1; | ||||
175 | } or do { | ||||
176 | warn | ||||
177 | "Execution of finally() block $code resulted in an exception, which " | ||||
178 | . '*CAN NOT BE PROPAGATED* due to fundamental limitations of Perl. ' | ||||
179 | . 'Your program will continue as if this event never took place. ' | ||||
180 | . "Original exception text follows:\n\n" | ||||
181 | . (defined $@ ? $@ : '$@ left undefined...') | ||||
182 | . "\n" | ||||
183 | ; | ||||
184 | } | ||||
185 | } | ||||
186 | } | ||||
187 | |||||
188 | 1 | 300ns | __PACKAGE__ | ||
189 | __END__ | ||||
190 | 1 | 3µs |