| Filename | /usr/local/share/perl/5.18.2/Devel/StackTrace/Frame.pm |
| Statements | Executed 32 statements in 610µs |
| Calls | P | F | Exclusive Time |
Inclusive Time |
Subroutine |
|---|---|---|---|---|---|
| 1 | 1 | 1 | 31µs | 31µs | Devel::StackTrace::Frame::BEGIN@7 |
| 1 | 1 | 1 | 9µs | 18µs | Devel::StackTrace::Frame::BEGIN@3 |
| 1 | 1 | 1 | 8µs | 17µs | Devel::StackTrace::Frame::BEGIN@8 |
| 1 | 1 | 1 | 6µs | 9µs | Devel::StackTrace::Frame::BEGIN@4 |
| 0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::__ANON__[:14] |
| 0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::args |
| 0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::as_string |
| 0 | 0 | 0 | 0s | 0s | Devel::StackTrace::Frame::new |
| Line | State ments |
Time on line |
Calls | Time in subs |
Code |
|---|---|---|---|---|---|
| 1 | package Devel::StackTrace::Frame; | ||||
| 2 | 1 | 500ns | $Devel::StackTrace::Frame::VERSION = '2.00'; | ||
| 3 | 2 | 19µs | 2 | 26µs | # spent 18µs (9+9) within Devel::StackTrace::Frame::BEGIN@3 which was called:
# once (9µs+9µs) by Devel::StackTrace::BEGIN@10 at line 3 # spent 18µs making 1 call to Devel::StackTrace::Frame::BEGIN@3
# spent 9µs making 1 call to strict::import |
| 4 | 2 | 34µs | 2 | 12µs | # spent 9µs (6+3) within Devel::StackTrace::Frame::BEGIN@4 which was called:
# once (6µs+3µs) by Devel::StackTrace::BEGIN@10 at line 4 # spent 9µs making 1 call to Devel::StackTrace::Frame::BEGIN@4
# spent 3µs making 1 call to warnings::import |
| 5 | |||||
| 6 | # Create accessor routines | ||||
| 7 | # spent 31µs within Devel::StackTrace::Frame::BEGIN@7 which was called:
# once (31µs+0s) by Devel::StackTrace::BEGIN@10 at line 16 | ||||
| 8 | 2 | 66µs | 2 | 26µs | # spent 17µs (8+9) within Devel::StackTrace::Frame::BEGIN@8 which was called:
# once (8µs+9µs) by Devel::StackTrace::BEGIN@10 at line 8 # spent 17µs making 1 call to Devel::StackTrace::Frame::BEGIN@8
# spent 9µs making 1 call to strict::unimport |
| 9 | 1 | 4µs | foreach my $f ( | ||
| 10 | qw( package filename line subroutine hasargs | ||||
| 11 | wantarray evaltext is_require hints bitmask args ) | ||||
| 12 | ) { | ||||
| 13 | 11 | 2µs | next if $f eq 'args'; | ||
| 14 | 10 | 25µs | *{$f} = sub { my $s = shift; return $s->{$f} }; | ||
| 15 | } | ||||
| 16 | 1 | 454µs | 1 | 31µs | } # spent 31µs making 1 call to Devel::StackTrace::Frame::BEGIN@7 |
| 17 | |||||
| 18 | { | ||||
| 19 | 2 | 2µs | my @fields = ( | ||
| 20 | qw( package filename line subroutine hasargs wantarray | ||||
| 21 | evaltext is_require hints bitmask ) | ||||
| 22 | ); | ||||
| 23 | |||||
| 24 | sub new { | ||||
| 25 | my $proto = shift; | ||||
| 26 | my $class = ref $proto || $proto; | ||||
| 27 | |||||
| 28 | my $self = bless {}, $class; | ||||
| 29 | |||||
| 30 | @{$self}{@fields} = @{ shift() }; | ||||
| 31 | |||||
| 32 | # fixup unix-style paths on win32 | ||||
| 33 | $self->{filename} = File::Spec->canonpath( $self->{filename} ); | ||||
| 34 | |||||
| 35 | $self->{args} = shift; | ||||
| 36 | |||||
| 37 | $self->{respect_overload} = shift; | ||||
| 38 | |||||
| 39 | $self->{max_arg_length} = shift; | ||||
| 40 | |||||
| 41 | $self->{message} = shift; | ||||
| 42 | |||||
| 43 | $self->{indent} = shift; | ||||
| 44 | |||||
| 45 | return $self; | ||||
| 46 | } | ||||
| 47 | } | ||||
| 48 | |||||
| 49 | sub args { | ||||
| 50 | my $self = shift; | ||||
| 51 | |||||
| 52 | return @{ $self->{args} }; | ||||
| 53 | } | ||||
| 54 | |||||
| 55 | sub as_string { | ||||
| 56 | my $self = shift; | ||||
| 57 | my $first = shift; | ||||
| 58 | my $p = shift; | ||||
| 59 | |||||
| 60 | my $sub = $self->subroutine; | ||||
| 61 | |||||
| 62 | # This code stolen straight from Carp.pm and then tweaked. All | ||||
| 63 | # errors are probably my fault -dave | ||||
| 64 | if ($first) { | ||||
| 65 | $sub | ||||
| 66 | = defined $self->{message} | ||||
| 67 | ? $self->{message} | ||||
| 68 | : 'Trace begun'; | ||||
| 69 | } | ||||
| 70 | else { | ||||
| 71 | |||||
| 72 | # Build a string, $sub, which names the sub-routine called. | ||||
| 73 | # This may also be "require ...", "eval '...' or "eval {...}" | ||||
| 74 | if ( my $eval = $self->evaltext ) { | ||||
| 75 | if ( $self->is_require ) { | ||||
| 76 | $sub = "require $eval"; | ||||
| 77 | } | ||||
| 78 | else { | ||||
| 79 | $eval =~ s/([\\\'])/\\$1/g; | ||||
| 80 | $sub = "eval '$eval'"; | ||||
| 81 | } | ||||
| 82 | } | ||||
| 83 | elsif ( $sub eq '(eval)' ) { | ||||
| 84 | $sub = 'eval {...}'; | ||||
| 85 | } | ||||
| 86 | |||||
| 87 | # if there are any arguments in the sub-routine call, format | ||||
| 88 | # them according to the format variables defined earlier in | ||||
| 89 | # this file and join them onto the $sub sub-routine string | ||||
| 90 | # | ||||
| 91 | # We copy them because they're going to be modified. | ||||
| 92 | # | ||||
| 93 | if ( my @a = $self->args ) { | ||||
| 94 | for (@a) { | ||||
| 95 | |||||
| 96 | # set args to the string "undef" if undefined | ||||
| 97 | $_ = "undef", next unless defined $_; | ||||
| 98 | |||||
| 99 | # hack! | ||||
| 100 | $_ = $self->Devel::StackTrace::_ref_to_string($_) | ||||
| 101 | if ref $_; | ||||
| 102 | |||||
| 103 | local $SIG{__DIE__}; | ||||
| 104 | local $@; | ||||
| 105 | |||||
| 106 | eval { | ||||
| 107 | my $max_arg_length | ||||
| 108 | = exists $p->{max_arg_length} | ||||
| 109 | ? $p->{max_arg_length} | ||||
| 110 | : $self->{max_arg_length}; | ||||
| 111 | |||||
| 112 | if ( $max_arg_length | ||||
| 113 | && length $_ > $max_arg_length ) { | ||||
| 114 | substr( $_, $max_arg_length ) = '...'; | ||||
| 115 | } | ||||
| 116 | |||||
| 117 | s/'/\\'/g; | ||||
| 118 | |||||
| 119 | # 'quote' arg unless it looks like a number | ||||
| 120 | $_ = "'$_'" unless /^-?[\d.]+$/; | ||||
| 121 | |||||
| 122 | # print control/high ASCII chars as 'M-<char>' or '^<char>' | ||||
| 123 | s/([\200-\377])/sprintf("M-%c",ord($1)&0177)/eg; | ||||
| 124 | s/([\0-\37\177])/sprintf("^%c",ord($1)^64)/eg; | ||||
| 125 | }; | ||||
| 126 | |||||
| 127 | if ( my $e = $@ ) { | ||||
| 128 | $_ = $e =~ /malformed utf-8/i ? '(bad utf-8)' : '?'; | ||||
| 129 | } | ||||
| 130 | } | ||||
| 131 | |||||
| 132 | # append ('all', 'the', 'arguments') to the $sub string | ||||
| 133 | $sub .= '(' . join( ', ', @a ) . ')'; | ||||
| 134 | $sub .= ' called'; | ||||
| 135 | } | ||||
| 136 | } | ||||
| 137 | |||||
| 138 | # If the user opted into indentation (a la Carp::confess), pre-add a tab | ||||
| 139 | my $tab = $self->{indent} && !$first ? "\t" : q{}; | ||||
| 140 | |||||
| 141 | return "${tab}$sub at " . $self->filename . ' line ' . $self->line; | ||||
| 142 | } | ||||
| 143 | |||||
| 144 | 1 | 3µs | 1; | ||
| 145 | |||||
| 146 | # ABSTRACT: A single frame in a stack trace | ||||
| 147 | |||||
| 148 | __END__ |