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For bin/dpath
  Run on Tue Jun 5 15:30:18 2012
Reported on Tue Jun 5 15:30:38 2012

Filename/home/ss5/perl5/perlbrew/perls/perl-5.14.1/lib/5.14.1/x86_64-linux-thread-multi/re.pm
StatementsExecuted 32 statements in 6.10ms
Subroutines
Calls P F Exclusive
Time
Inclusive
Time
Subroutine
11163µs82µsre::::BEGIN@4re::BEGIN@4
11135µs35µsre::::bitsre::bits
11133µs67µsre::::importre::import
11131µs59µsre::::BEGIN@5re::BEGIN@5
0000s0sre::::_load_unloadre::_load_unload
0000s0sre::::setcolorre::setcolor
0000s0sre::::unimportre::unimport
Call graph for these subroutines as a Graphviz dot language file.
Line State
ments
Time
on line
Calls Time
in subs
Code
1package re;
2
3# pragma for controlling the regexp engine
42102µs2100µs
# spent 82µs (63+18) within re::BEGIN@4 which was called: # once (63µs+18µs) by B::Deparse::BEGIN@3436 at line 4
use strict;
# spent 82µs making 1 call to re::BEGIN@4 # spent 18µs making 1 call to strict::import
524.89ms286µs
# spent 59µs (31+28) within re::BEGIN@5 which was called: # once (31µs+28µs) by B::Deparse::BEGIN@3436 at line 5
use warnings;
# spent 59µs making 1 call to re::BEGIN@5 # spent 28µs making 1 call to warnings::import
6
713µsour $VERSION = "0.18";
8131µsour @ISA = qw(Exporter);
916µsour @EXPORT_OK = ('regmust',
10 qw(is_regexp regexp_pattern
11 regname regnames regnames_count));
12124µsour %EXPORT_OK = map { $_ => 1 } @EXPORT_OK;
13
1415µsmy %bitmask = (
15 taint => 0x00100000, # HINT_RE_TAINT
16 eval => 0x00200000, # HINT_RE_EVAL
17);
18
1911µsmy $flags_hint = 0x02000000; # HINT_RE_FLAGS
201600nsmy $PMMOD_SHIFT = 0;
21121µsmy %reflags = (
22 m => 1 << ($PMMOD_SHIFT + 0),
23 s => 1 << ($PMMOD_SHIFT + 1),
24 i => 1 << ($PMMOD_SHIFT + 2),
25 x => 1 << ($PMMOD_SHIFT + 3),
26 p => 1 << ($PMMOD_SHIFT + 4),
27# special cases:
28 d => 0,
29 l => 1,
30 u => 2,
31 a => 3,
32 aa => 4,
33);
34
35sub setcolor {
36 eval { # Ignore errors
37 require Term::Cap;
38
39 my $terminal = Tgetent Term::Cap ({OSPEED => 9600}); # Avoid warning.
40 my $props = $ENV{PERL_RE_TC} || 'md,me,so,se,us,ue';
41 my @props = split /,/, $props;
42 my $colors = join "\t", map {$terminal->Tputs($_,1)} @props;
43
44 $colors =~ s/\0//g;
45 $ENV{PERL_RE_COLORS} = $colors;
46 };
47 if ($@) {
48 $ENV{PERL_RE_COLORS} ||= qq'\t\t> <\t> <\t\t';
49 }
50
51}
52
53119µsmy %flags = (
54 COMPILE => 0x0000FF,
55 PARSE => 0x000001,
56 OPTIMISE => 0x000002,
57 TRIEC => 0x000004,
58 DUMP => 0x000008,
59 FLAGS => 0x000010,
60
61 EXECUTE => 0x00FF00,
62 INTUIT => 0x000100,
63 MATCH => 0x000200,
64 TRIEE => 0x000400,
65
66 EXTRA => 0xFF0000,
67 TRIEM => 0x010000,
68 OFFSETS => 0x020000,
69 OFFSETSDBG => 0x040000,
70 STATE => 0x080000,
71 OPTIMISEM => 0x100000,
72 STACK => 0x280000,
73 BUFFERS => 0x400000,
74 GPOS => 0x800000,
75);
7617µs$flags{ALL} = -1 & ~($flags{OFFSETS}|$flags{OFFSETSDBG}|$flags{BUFFERS});
7713µs$flags{All} = $flags{all} = $flags{DUMP} | $flags{EXECUTE};
7812µs$flags{Extra} = $flags{EXECUTE} | $flags{COMPILE} | $flags{GPOS};
7913µs$flags{More} = $flags{MORE} = $flags{All} | $flags{TRIEC} | $flags{TRIEM} | $flags{STATE};
8012µs$flags{State} = $flags{DUMP} | $flags{EXECUTE} | $flags{STATE};
8112µs$flags{TRIE} = $flags{DUMP} | $flags{EXECUTE} | $flags{TRIEC};
82
833814µsif (defined &DynaLoader::boot_DynaLoader) {
84 require XSLoader;
851765µs XSLoader::load();
# spent 765µs making 1 call to XSLoader::load
86}
87# else we're miniperl
88# We need to work for miniperl, because the XS toolchain uses Text::Wrap, which
89# uses re 'taint'.
90
91sub _load_unload {
92 my ($on)= @_;
93 if ($on) {
94 # We call install() every time, as if we didn't, we wouldn't
95 # "see" any changes to the color environment var since
96 # the last time it was called.
97
98 # install() returns an integer, which if casted properly
99 # in C resolves to a structure containing the regexp
100 # hooks. Setting it to a random integer will guarantee
101 # segfaults.
102 $^H{regcomp} = install();
103 } else {
104 delete $^H{regcomp};
105 }
106}
107
108
# spent 35µs within re::bits which was called: # once (35µs+0s) by re::import at line 219
sub bits {
109529µs my $on = shift;
110 my $bits = 0;
111 unless (@_) {
112 require Carp;
113 Carp::carp("Useless use of \"re\" pragma");
114 }
115 ARG:
116 foreach my $idx (0..$#_){
117216µs my $s=$_[$idx];
118 if ($s eq 'Debug' or $s eq 'Debugcolor') {
119 setcolor() if $s =~/color/i;
120 ${^RE_DEBUG_FLAGS} = 0 unless defined ${^RE_DEBUG_FLAGS};
121 for my $idx ($idx+1..$#_) {
122 if ($flags{$_[$idx]}) {
123 if ($on) {
124 ${^RE_DEBUG_FLAGS} |= $flags{$_[$idx]};
125 } else {
126 ${^RE_DEBUG_FLAGS} &= ~ $flags{$_[$idx]};
127 }
128 } else {
129 require Carp;
130 Carp::carp("Unknown \"re\" Debug flag '$_[$idx]', possible flags: ",
131 join(", ",sort keys %flags ) );
132 }
133 }
134 _load_unload($on ? 1 : ${^RE_DEBUG_FLAGS});
135 last;
136 } elsif ($s eq 'debug' or $s eq 'debugcolor') {
137 setcolor() if $s =~/color/i;
138 _load_unload($on);
139 last;
140 } elsif (exists $bitmask{$s}) {
141 $bits |= $bitmask{$s};
142 } elsif ($EXPORT_OK{$s}) {
143 require Exporter;
144 re->export_to_level(2, 're', $s);
145 } elsif ($s =~ s/^\///) {
146 my $reflags = $^H{reflags} || 0;
147 my $seen_charset;
148 while ($s =~ m/( . )/gx) {
149 $_ = $1;
150 if (/[adul]/) {
151 # The 'a' may be repeated; hide this from the rest of the
152 # code by counting and getting rid of all of them, then
153 # changing to 'aa' if there is a repeat.
154 if ($_ eq 'a') {
155 my $sav_pos = pos $s;
156 my $a_count = $s =~ s/a//g;
157 pos $s = $sav_pos - 1; # -1 because got rid of the 'a'
158 if ($a_count > 2) {
159 require Carp;
160 Carp::carp(
161 qq 'The "a" flag may only appear a maximum of twice'
162 );
163 }
164 elsif ($a_count == 2) {
165 $_ = 'aa';
166 }
167 }
168 if ($on) {
169 if ($seen_charset) {
170 require Carp;
171 if ($seen_charset ne $_) {
172 Carp::carp(
173 qq 'The "$seen_charset" and "$_" flags '
174 .qq 'are exclusive'
175 );
176 }
177 else {
178 Carp::carp(
179 qq 'The "$seen_charset" flag may not appear '
180 .qq 'twice'
181 );
182 }
183 }
184 $^H{reflags_charset} = $reflags{$_};
185 $seen_charset = $_;
186 }
187 else {
188 delete $^H{reflags_charset}
189 if defined $^H{reflags_charset}
190 && $^H{reflags_charset} == $reflags{$_};
191 }
192 } elsif (exists $reflags{$_}) {
193 $on
194 ? $reflags |= $reflags{$_}
195 : ($reflags &= ~$reflags{$_});
196 } else {
197 require Carp;
198 Carp::carp(
199 qq'Unknown regular expression flag "$_"'
200 );
201 next ARG;
202 }
203 }
204 ($^H{reflags} = $reflags or defined $^H{reflags_charset})
205 ? $^H |= $flags_hint
206 : ($^H &= ~$flags_hint);
207 } else {
208 require Carp;
209 Carp::carp("Unknown \"re\" subpragma '$s' (known ones are: ",
210 join(', ', map {qq('$_')} 'debug', 'debugcolor', sort keys %bitmask),
211 ")");
212 }
213 }
214 $bits;
215}
216
217
# spent 67µs (33+35) within re::import which was called: # once (33µs+35µs) by B::Deparse::BEGIN@3436 at line 3436 of B/Deparse.pm
sub import {
218226µs shift;
219135µs $^H |= bits(1, @_);
# spent 35µs making 1 call to re::bits
220}
221
222sub unimport {
223 shift;
224 $^H &= ~ bits(0, @_);
225}
226
227194µs1;
228
229__END__