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[scpubgit/stemmatology.git] / stemmaweb / nytprof-runs / relation-uuid-relationships / Module-Runtime-pm-75-line.html
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4This file was generated by Devel::NYTProf version 4.06
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9 <title>Profile of Module/Runtime.pm</title>
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17 // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken)
18 $.tablesorter.defaults.sortInitialOrder = "desc";
19 // add parser through the tablesorter addParser method
20 $.tablesorter.addParser({
21 id: 'fmt_time', // name of this parser
22 is: function(s) {
23 return false; // return false so this parser is not auto detected
24 },
25 format: function(orig) { // format data for normalization
26 // console.log(orig);
27 val = orig.replace(/ns/,'');
28 if (val != orig) { return val / (1000*1000*1000); }
29 val = orig.replace(/µs/,''); /* XXX use &micro; ? */
30 if (val != orig) { return val / (1000*1000); }
31 var val = orig.replace(/ms/,'');
32 if (val != orig) { return val / (1000); }
33 var val = orig.replace(/s/,'');
34 if (val != orig) { return val; }
35 if (orig == '0') { return orig; }
36 console.log('no match for fmt_time of '.concat(orig));
37 return orig;
38 },
39 type: 'numeric' // set type, either numeric or text
40 });
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50 <span class="siteTitle">NYTProf Performance Profile</span>
51 <span class="siteSubtitle">&emsp;&emsp;<span>&laquo;&emsp;<span class="mode_btn"><a href="Module-Runtime-pm-75-block.html">block view</a></span>&emsp;&bull;&emsp;<span class="mode_btn mode_btn_selected">line view</span>&emsp;&bull;&emsp;<span class="mode_btn"><a href="Module-Runtime-pm-75-sub.html">sub view</a></span>&emsp;&raquo;</span><br />
52 For script/nytprof.pl
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56 <span class="siteTitle">&nbsp;</span>
57 <span class="siteSubtitle">Run on Thu May 31 16:49:15 2012<br />Reported on Thu May 31 16:54:01 2012</span>
58</div>
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110</div>
111
112<div class="body_content"><br />
113<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/Module/Runtime.pm">/Users/edenc/perl5/lib/perl5/Module/Runtime.pm</a></td></tr>
114<tr><td class="h">Statements</td><td align="left">Executed 12302 statements in 83.3ms</td></tr></table>
115
116 <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
117 <caption>Subroutines</caption>
118 <thead>
119 <tr>
120 <th>Calls</th>
121 <th><span title="Number of Places sub is called from">P</span></th>
122 <th><span title="Number of Files sub is called from">F</span></th>
123 <th>Exclusive<br />Time</th>
124 <th>Inclusive<br />Time</th>
125 <th>Subroutine</th>
126 </tr>
127 </thead>
128 <tbody>
129<tr><td class="c3">138</td><td class="c3">2</td><td class="c1">2</td><td class="c0"><span title="0.2%">108ms</span></td><td class="c0"><span title="8.0%">3.86s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::require_module</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#303">require_module</a>&nbsp;(recurses: max depth 6, inclusive time 1.50s)</span></td></tr>
130<tr><td class="c0">2714</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">21.0ms</span></td><td class="c0"><span title="0.1%">45.7ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::is_module_name</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#222">is_module_name</a></span></td></tr>
131<tr><td class="c0">2719</td><td class="c3">2</td><td class="c3">1</td><td class="c0"><span title="0.0%">15.8ms</span></td><td class="c0"><span title="0.0%">15.8ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::CORE:match</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_match">CORE:match</a>&nbsp;(opcode)</span></td></tr>
132<tr><td class="c0">2714</td><td class="c0">4</td><td class="c1">2</td><td class="c0"><span title="0.0%">10.6ms</span></td><td class="c0"><span title="0.1%">56.3ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::check_module_name</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#240">check_module_name</a></span></td></tr>
133<tr><td class="c0">2714</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">8.92ms</span></td><td class="c0"><span title="0.0%">8.92ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::_is_string</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#160">_is_string</a></span></td></tr>
134<tr><td class="c1">282</td><td class="c0">4</td><td class="c1">2</td><td class="c2"><span title="0.0%">2.43ms</span></td><td class="c0"><span title="0.0%">7.50ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::module_notional_filename</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#263">module_notional_filename</a></span></td></tr>
135<tr><td class="c1">282</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">1.30ms</span></td><td class="c3"><span title="0.0%">1.30ms</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::CORE:subst</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_subst">CORE:subst</a>&nbsp;(opcode)</span></td></tr>
136<tr><td class="c3">3</td><td class="c1">3</td><td class="c3">1</td><td class="c3"><span title="0.0%">102&micro;s</span></td><td class="c3"><span title="0.0%">102&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::CORE:regcomp</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_regcomp">CORE:regcomp</a>&nbsp;(opcode)</span></td></tr>
137<tr><td class="c3">2</td><td class="c3">2</td><td class="c1">2</td><td class="c3"><span title="0.0%">60&micro;s</span></td><td class="c3"><span title="0.0%">64&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::import</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#135">import</a></span></td></tr>
138<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">39&micro;s</span></td><td class="c3"><span title="0.0%">39&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::BEGIN@116</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#116">BEGIN@116</a></span></td></tr>
139<tr><td class="c3">6</td><td class="c0">6</td><td class="c3">1</td><td class="c3"><span title="0.0%">18&micro;s</span></td><td class="c3"><span title="0.0%">18&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::CORE:qr</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">CORE:qr</a>&nbsp;(opcode)</span></td></tr>
140<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">13&micro;s</span></td><td class="c3"><span title="0.0%">13&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::BEGIN@289</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#289">BEGIN@289</a></span></td></tr>
141<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="c3"><span title="0.0%">5&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::BEGIN@120</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#120">BEGIN@120</a></span></td></tr>
142<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">4&micro;s</span></td><td class="c3"><span title="0.0%">4&micro;s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::BEGIN@296</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#296">BEGIN@296</a></span></td></tr>
143<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::check_module_spec</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#428">check_module_spec</a></span></td></tr>
144<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::compose_module_name</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#456">compose_module_name</a></span></td></tr>
145<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::is_module_spec</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#406">is_module_spec</a></span></td></tr>
146<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::use_module</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#346">use_module</a></span></td></tr>
147<tr><td class="c3">0</td><td class="c3">0</td><td class="c3">0</td><td class="c3"><span title="0.0%">0s</span></td><td class="c3"><span title="0.0%">0s</span></td><td class="sub_name"><span style="display: none;">Module::Runtime::::use_package_optimistically</span>Module::Runtime::<a href="Module-Runtime-pm-75-line.html#380">use_package_optimistically</a></span></td></tr>
148</tbody></table>
149 Call graph for these subroutines as a
150 <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
151 <a href="Users-edenc-perl5-lib-perl5-Module-Runtime-pm.dot">dot language file</a>.
152
153 <table border="1" cellpadding="0">
154 <thead>
155 <tr><th>Line</th>
156 <th><span title="Number of statements executed">State<br />ments</span></th>
157 <th><span title="Time spend executing statements on the line,
158 excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
159 <th><span title="Number of subroutines calls">Calls</span></th>
160 <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
161 <th class="left_indent_header">Code</th>
162 </tr>
163
164 </thead>
165 <tbody>
166 <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
167<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
168<tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s">Module::Runtime - runtime module handling</td></tr>
169<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
170<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
171<tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
172<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s"> use Module::Runtime qw(</td></tr>
173<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"> $module_name_rx is_module_name check_module_name</td></tr>
174<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s"> module_notional_filename require_module</td></tr>
175<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
176<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
177<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"> if($module_name =~ /\A$module_name_rx\z/o) { ...</td></tr>
178<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"> if(is_module_name($module_name)) { ...</td></tr>
179<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"> check_module_name($module_name);</td></tr>
180<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
181<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"> $notional_filename = module_notional_filename($module_name);</td></tr>
182<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s"> require_module($module_name);</td></tr>
183<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
184<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"> use Module::Runtime qw(use_module use_package_optimistically);</td></tr>
185<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
186<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"> $bi = use_module(&quot;Math::BigInt&quot;, 1.31)-&gt;new(&quot;1_234&quot;);</td></tr>
187<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"> $widget = use_package_optimistically(&quot;Local::Widget&quot;)-&gt;new;</td></tr>
188<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
189<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"> use Module::Runtime qw(</td></tr>
190<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"> $top_module_spec_rx $sub_module_spec_rx</td></tr>
191<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"> is_module_spec check_module_spec</td></tr>
192<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"> compose_module_name</td></tr>
193<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
194<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
195<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> if($spec =~ /\A$top_module_spec_rx\z/o) { ...</td></tr>
196<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> if($spec =~ /\A$sub_module_spec_rx\z/o) { ...</td></tr>
197<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> if(is_module_spec(&quot;Standard::Prefix&quot;, $spec)) { ...</td></tr>
198<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"> check_module_spec(&quot;Standard::Prefix&quot;, $spec);</td></tr>
199<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
200<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"> $module_name =</td></tr>
201<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s"> compose_module_name(&quot;Standard::Prefix&quot;, $spec);</td></tr>
202<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
203<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
204<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
205<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s">The functions exported by this module deal with runtime handling of</td></tr>
206<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s">Perl modules, which are normally handled at compile time. This module</td></tr>
207<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s">avoids using any other modules, so that it can be used in low-level</td></tr>
208<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s">infrastructure.</td></tr>
209<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
210<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">The parts of this module that work with module names apply the same</td></tr>
211<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s">syntax that is used for barewords in Perl source. In principle this</td></tr>
212<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s">syntax can vary between versions of Perl, and this module applies the</td></tr>
213<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s">syntax of the Perl on which it is running. In practice the usable syntax</td></tr>
214<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s">hasn't changed yet, but there's a good chance of it changing in Perl 5.18.</td></tr>
215<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
216<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">The functions of this module whose purpose is to load modules include</td></tr>
217<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s">workarounds for three old Perl core bugs regarding C&lt;require&gt;. These</td></tr>
218<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">workarounds are applied on any Perl version where the bugs exist, except</td></tr>
219<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s">for a case where one of the bugs cannot be adequately worked around in</td></tr>
220<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">pure Perl.</td></tr>
221<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
222<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s">=head2 Module name syntax</td></tr>
223<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
224<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s">The usable module name syntax has not changed from Perl 5.000 up to</td></tr>
225<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s">Perl 5.15.7. The syntax is composed entirely of ASCII characters.</td></tr>
226<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s">From Perl 5.6 onwards there has been some attempt to allow the use of</td></tr>
227<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">non-ASCII Unicode characters in Perl source, but it was fundamentally</td></tr>
228<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s">broken (like the entirety of Perl 5.6's Unicode handling) and remained</td></tr>
229<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s">pretty much entirely unusable until it got some attention in the Perl</td></tr>
230<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s">5.15 series. Although Unicode is now consistently accepted by the</td></tr>
231<tr><td class="h"><a name="66"></a>66</td><td></td><td></td><td></td><td></td><td class="s">parser in some places, it remains broken for module names. Furthermore,</td></tr>
232<tr><td class="h"><a name="67"></a>67</td><td></td><td></td><td></td><td></td><td class="s">there has not yet been any work on how to map Unicode module names into</td></tr>
233<tr><td class="h"><a name="68"></a>68</td><td></td><td></td><td></td><td></td><td class="s">filenames, so in that respect also Unicode module names are unusable.</td></tr>
234<tr><td class="h"><a name="69"></a>69</td><td></td><td></td><td></td><td></td><td class="s">This may finally be addressed in the Perl 5.17 series.</td></tr>
235<tr><td class="h"><a name="70"></a>70</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
236<tr><td class="h"><a name="71"></a>71</td><td></td><td></td><td></td><td></td><td class="s">The module name syntax is, precisely: the string must consist of one or</td></tr>
237<tr><td class="h"><a name="72"></a>72</td><td></td><td></td><td></td><td></td><td class="s">more segments separated by C&lt;::&gt;; each segment must consist of one or more</td></tr>
238<tr><td class="h"><a name="73"></a>73</td><td></td><td></td><td></td><td></td><td class="s">identifier characters (ASCII alphanumerics plus &quot;_&quot;); the first character</td></tr>
239<tr><td class="h"><a name="74"></a>74</td><td></td><td></td><td></td><td></td><td class="s">of the string must not be a digit. Thus &quot;C&lt;IO::File&gt;&quot;, &quot;C&lt;warnings&gt;&quot;,</td></tr>
240<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s">and &quot;C&lt;foo::123::x_0&gt;&quot; are all valid module names, whereas &quot;C&lt;IO::&gt;&quot;</td></tr>
241<tr><td class="h"><a name="76"></a>76</td><td></td><td></td><td></td><td></td><td class="s">and &quot;C&lt;1foo::bar&gt;&quot; are not. C&lt;'&gt; separators are not permitted by this</td></tr>
242<tr><td class="h"><a name="77"></a>77</td><td></td><td></td><td></td><td></td><td class="s">module, though they remain usable in Perl source, being translated to</td></tr>
243<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s">C&lt;::&gt; in the parser.</td></tr>
244<tr><td class="h"><a name="79"></a>79</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
245<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s">=head2 Core bugs worked around</td></tr>
246<tr><td class="h"><a name="81"></a>81</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
247<tr><td class="h"><a name="82"></a>82</td><td></td><td></td><td></td><td></td><td class="s">The first bug worked around is core bug [perl #68590], which causes</td></tr>
248<tr><td class="h"><a name="83"></a>83</td><td></td><td></td><td></td><td></td><td class="s">lexical state in one file to leak into another that is C&lt;require&gt;d/C&lt;use&gt;d</td></tr>
249<tr><td class="h"><a name="84"></a>84</td><td></td><td></td><td></td><td></td><td class="s">from it. This bug is present from Perl 5.6 up to Perl 5.10, and is</td></tr>
250<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s">fixed in Perl 5.11.0. From Perl 5.9.4 up to Perl 5.10.0 no satisfactory</td></tr>
251<tr><td class="h"><a name="86"></a>86</td><td></td><td></td><td></td><td></td><td class="s">workaround is possible in pure Perl. The workaround means that modules</td></tr>
252<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s">loaded via this module don't suffer this pollution of their lexical</td></tr>
253<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s">state. Modules loaded in other ways, or via this module on the Perl</td></tr>
254<tr><td class="h"><a name="89"></a>89</td><td></td><td></td><td></td><td></td><td class="s">versions where the pure Perl workaround is impossible, remain vulnerable.</td></tr>
255<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s">The module L&lt;Lexical::SealRequireHints&gt; provides a complete workaround</td></tr>
256<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s">for this bug.</td></tr>
257<tr><td class="h"><a name="92"></a>92</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
258<tr><td class="h"><a name="93"></a>93</td><td></td><td></td><td></td><td></td><td class="s">The second bug worked around causes some kinds of failure in module</td></tr>
259<tr><td class="h"><a name="94"></a>94</td><td></td><td></td><td></td><td></td><td class="s">loading, principally compilation errors in the loaded module, to be</td></tr>
260<tr><td class="h"><a name="95"></a>95</td><td></td><td></td><td></td><td></td><td class="s">recorded in C&lt;%INC&gt; as if they were successful, so later attempts to load</td></tr>
261<tr><td class="h"><a name="96"></a>96</td><td></td><td></td><td></td><td></td><td class="s">the same module immediately indicate success. This bug is present up</td></tr>
262<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s">to Perl 5.8.9, and is fixed in Perl 5.9.0. The workaround means that a</td></tr>
263<tr><td class="h"><a name="98"></a>98</td><td></td><td></td><td></td><td></td><td class="s">compilation error in a module loaded via this module won't be cached as</td></tr>
264<tr><td class="h"><a name="99"></a>99</td><td></td><td></td><td></td><td></td><td class="s">a success. Modules loaded in other ways remain liable to produce bogus</td></tr>
265<tr><td class="h"><a name="100"></a>100</td><td></td><td></td><td></td><td></td><td class="s">C&lt;%INC&gt; entries, and if a bogus entry exists then it will mislead this</td></tr>
266<tr><td class="h"><a name="101"></a>101</td><td></td><td></td><td></td><td></td><td class="s">module if it is used to re-attempt loading.</td></tr>
267<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
268<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s">The third bug worked around causes the wrong context to be seen at</td></tr>
269<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s">file scope of a loaded module, if C&lt;require&gt; is invoked in a location</td></tr>
270<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s">that inherits context from a higher scope. This bug is present up to</td></tr>
271<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s">Perl 5.11.2, and is fixed in Perl 5.11.3. The workaround means that</td></tr>
272<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s">a module loaded via this module will always see the correct context.</td></tr>
273<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s">Modules loaded in other ways remain vulnerable.</td></tr>
274<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
275<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
276<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
277<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s">package Module::Runtime;</td></tr>
278<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
279<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"># Don't &quot;use 5.006&quot; here, because Perl 5.15.6 will load feature.pm if</td></tr>
280<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"># the version check is done that way.</td></tr>
281<tr><td class="h"><a name="116"></a>116</td><td class="c3">1</td><td class="c0"><span title="Avg 50&micro;s">50&micro;s</span></td><td class="c3">1</td><td class="c3">39&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 39&micro;s within Module::Runtime::BEGIN@116 which was called:
282# once (39&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#116">line 116</a></div></div>BEGIN { require 5.006; }<div class="calls"><div class="calls_out"># spent 39&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#116">Module::Runtime::BEGIN@116</a></div></div></td></tr>
283<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"># Don't &quot;use warnings&quot; here, to avoid dependencies. Do standardise the</td></tr>
284<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s"># warning status by lexical override; unfortunately the only safe bitset</td></tr>
285<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s"># to build in is the empty set, equivalent to &quot;no warnings&quot;.</td></tr>
286<tr><td class="h"><a name="120"></a>120</td><td class="c3">1</td><td class="c0"><span title="Avg 702&micro;s">702&micro;s</span></td><td class="c3">1</td><td class="c3">5&micro;s</td><td class="s"><div class="calls"><div class="calls_in"># spent 5&micro;s within Module::Runtime::BEGIN@120 which was called:
287# once (5&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#120">line 120</a></div></div>BEGIN { ${^WARNING_BITS} = &quot;&quot;; }<div class="calls"><div class="calls_out"># spent 5&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#120">Module::Runtime::BEGIN@120</a></div></div></td></tr>
288<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"># Don't &quot;use strict&quot; here, to avoid dependencies.</td></tr>
289<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
290<tr><td class="h"><a name="123"></a>123</td><td class="c3">1</td><td class="c3"><span title="Avg 1&micro;s">1&micro;s</span></td><td></td><td></td><td class="s">our $VERSION = &quot;0.013&quot;;</td></tr>
291<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
292<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s"># Don't use Exporter here, to avoid dependencies.</td></tr>
293<tr><td class="h"><a name="126"></a>126</td><td class="c3">1</td><td class="c3"><span title="Avg 4&micro;s">4&micro;s</span></td><td></td><td></td><td class="s">our @EXPORT_OK = qw(</td></tr>
294<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"> $module_name_rx is_module_name is_valid_module_name check_module_name</td></tr>
295<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s"> module_notional_filename require_module</td></tr>
296<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s"> use_module use_package_optimistically</td></tr>
297<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"> $top_module_spec_rx $sub_module_spec_rx</td></tr>
298<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s"> is_module_spec is_valid_module_spec check_module_spec</td></tr>
299<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s"> compose_module_name</td></tr>
300<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">);</td></tr>
301<tr><td class="h"><a name="134"></a>134</td><td class="c3">1</td><td class="c3"><span title="Avg 15&micro;s">15&micro;s</span></td><td></td><td></td><td class="s">my %export_ok = map { ($_ =&gt; undef) } @EXPORT_OK;</td></tr>
302<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 64&micro;s (60+4) within Module::Runtime::import which was called 2 times, avg 32&micro;s/call:
303# once (38&micro;s+3&micro;s) by Class::Load::BEGIN@10 at <a href="Class-Load-pm-67-line.html#15">line 15 of Class/Load.pm</a>
304# once (23&micro;s+2&micro;s) by Module::Implementation::BEGIN@9 at <a href="Module-Implementation-pm-74-line.html#9">line 9 of Module/Implementation.pm</a></div></div>sub import {</td></tr>
305<tr><td class="h"><a name="136"></a>136</td><td class="c1">2</td><td class="c3"><span title="Avg 900ns">2&micro;s</span></td><td></td><td></td><td class="s"> my $me = shift;</td></tr>
306<tr><td class="h"><a name="137"></a>137</td><td class="c1">2</td><td class="c3"><span title="Avg 1&micro;s">3&micro;s</span></td><td></td><td></td><td class="s"> my $callpkg = caller(0);</td></tr>
307<tr><td class="h"><a name="138"></a>138</td><td class="c1">2</td><td class="c3"><span title="Avg 300ns">600ns</span></td><td></td><td></td><td class="s"> my $errs = &quot;&quot;;</td></tr>
308<tr><td class="h"><a name="139"></a>139</td><td class="c1">2</td><td class="c3"><span title="Avg 3&micro;s">5&micro;s</span></td><td></td><td></td><td class="s"> foreach(@_) {</td></tr>
309<tr><td class="h"><a name="140"></a>140</td><td class="c0">5</td><td class="c3"><span title="Avg 1&micro;s">6&micro;s</span></td><td></td><td></td><td class="s"> if(exists $export_ok{$_}) {</td></tr>
310<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s"> # We would need to do &quot;no strict 'refs'&quot; here</td></tr>
311<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s"> # if we had enabled strict at file scope.</td></tr>
312<tr><td class="h"><a name="143"></a>143</td><td class="c0">5</td><td class="c3"><span title="Avg 3&micro;s">17&micro;s</span></td><td class="c0">5</td><td class="c3">4&micro;s</td><td class="s"> if(/\A\$(.*)\z/s) {<div class="calls"><div class="calls_out"> # spent 4&micro;s making 5 calls to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_match">Module::Runtime::CORE:match</a>, avg 820ns/call</div></div></td></tr>
313<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s"> *{$callpkg.&quot;::&quot;.$1} = \$$1;</td></tr>
314<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
315<tr><td class="h"><a name="146"></a>146</td><td class="c0">5</td><td class="c3"><span title="Avg 4&micro;s">20&micro;s</span></td><td></td><td></td><td class="s"> *{$callpkg.&quot;::&quot;.$_} = \&amp;$_;</td></tr>
316<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
317<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
318<tr><td class="h"><a name="149"></a>149</td><td></td><td></td><td></td><td></td><td class="s"> $errs .= &quot;\&quot;$_\&quot; is not exported by the $me module\n&quot;;</td></tr>
319<tr><td class="h"><a name="150"></a>150</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
320<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
321<tr><td class="h"><a name="152"></a>152</td><td class="c1">2</td><td class="c3"><span title="Avg 4&micro;s">8&micro;s</span></td><td></td><td></td><td class="s"> if($errs ne &quot;&quot;) {</td></tr>
322<tr><td class="h"><a name="153"></a>153</td><td></td><td></td><td></td><td></td><td class="s"> die &quot;${errs}Can't continue after import errors &quot;.</td></tr>
323<tr><td class="h"><a name="154"></a>154</td><td></td><td></td><td></td><td></td><td class="s"> &quot;at @{[(caller(0))[1]]} line @{[(caller(0))[2]]}.\n&quot;;</td></tr>
324<tr><td class="h"><a name="155"></a>155</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
325<tr><td class="h"><a name="156"></a>156</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
326<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
327<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"># Logic duplicated from Params::Classify. Duplicating it here avoids</td></tr>
328<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"># an extensive and potentially circular dependency graph.</td></tr>
329<tr><td class="h"><a name="160"></a>160</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 8.92ms within Module::Runtime::_is_string which was called 2714 times, avg 3&micro;s/call:
330# 2714 times (8.92ms+0s) by Module::Runtime::is_module_name at <a href="Module-Runtime-pm-75-line.html#222">line 222</a>, avg 3&micro;s/call</div></div>sub _is_string($) {</td></tr>
331<tr><td class="h"><a name="161"></a>161</td><td class="c0">2714</td><td class="c0"><span title="Avg 742ns">2.01ms</span></td><td></td><td></td><td class="s"> my($arg) = @_;</td></tr>
332<tr><td class="h"><a name="162"></a>162</td><td class="c0">2714</td><td class="c0"><span title="Avg 4&micro;s">10.4ms</span></td><td></td><td></td><td class="s"> return defined($arg) &amp;&amp; ref(\$arg) eq &quot;SCALAR&quot;;</td></tr>
333<tr><td class="h"><a name="163"></a>163</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
334<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
335<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s">=head1 REGULAR EXPRESSIONS</td></tr>
336<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
337<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s">These regular expressions do not include any anchors, so to check</td></tr>
338<tr><td class="h"><a name="168"></a>168</td><td></td><td></td><td></td><td></td><td class="s">whether an entire string matches a syntax item you must supply the</td></tr>
339<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s">anchors yourself.</td></tr>
340<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
341<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s">=over</td></tr>
342<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
343<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s">=item $module_name_rx</td></tr>
344<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
345<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s">Matches a valid Perl module name in bareword syntax.</td></tr>
346<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
347<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
348<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
349<tr><td class="h"><a name="179"></a>179</td><td class="c3">1</td><td class="c3"><span title="Avg 15&micro;s">15&micro;s</span></td><td class="c3">1</td><td class="c3">5&micro;s</td><td class="s">our $module_name_rx = qr/[A-Z_a-z][0-9A-Z_a-z]*(?:::[0-9A-Z_a-z]+)*/;<div class="calls"><div class="calls_out"># spent 5&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
350<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
351<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s">=item $top_module_spec_rx</td></tr>
352<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
353<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s">Matches a module specification for use with L&lt;/compose_module_name&gt;,</td></tr>
354<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s">where no prefix is being used.</td></tr>
355<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
356<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
357<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
358<tr><td class="h"><a name="188"></a>188</td><td class="c3">1</td><td class="c3"><span title="Avg 4&micro;s">4&micro;s</span></td><td class="c3">1</td><td class="c3">1&micro;s</td><td class="s">my $qual_module_spec_rx =<div class="calls"><div class="calls_out"># spent 1&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
359<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"> qr#(?:/|::)[A-Z_a-z][0-9A-Z_a-z]*(?:(?:/|::)[0-9A-Z_a-z]+)*#;</td></tr>
360<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
361<tr><td class="h"><a name="191"></a>191</td><td class="c3">1</td><td class="c3"><span title="Avg 3&micro;s">3&micro;s</span></td><td class="c3">1</td><td class="c3">900ns</td><td class="s">my $unqual_top_module_spec_rx =<div class="calls"><div class="calls_out"># spent 900ns making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
362<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"> qr#[A-Z_a-z][0-9A-Z_a-z]*(?:(?:/|::)[0-9A-Z_a-z]+)*#;</td></tr>
363<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
364<tr><td class="h"><a name="194"></a>194</td><td class="c3">1</td><td class="c0"><span title="Avg 53&micro;s">53&micro;s</span></td><td class="c3">2</td><td class="c3">42&micro;s</td><td class="s">our $top_module_spec_rx = qr/$qual_module_spec_rx|$unqual_top_module_spec_rx/o;<div class="calls"><div class="calls_out"># spent 40&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_regcomp">Module::Runtime::CORE:regcomp</a>
365# spent 2&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
366<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
367<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s">=item $sub_module_spec_rx</td></tr>
368<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
369<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s">Matches a module specification for use with L&lt;/compose_module_name&gt;,</td></tr>
370<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s">where a prefix is being used.</td></tr>
371<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
372<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
373<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
374<tr><td class="h"><a name="203"></a>203</td><td class="c3">1</td><td class="c3"><span title="Avg 6&micro;s">6&micro;s</span></td><td class="c3">1</td><td class="c3">2&micro;s</td><td class="s">my $unqual_sub_module_spec_rx = qr#[0-9A-Z_a-z]+(?:(?:/|::)[0-9A-Z_a-z]+)*#;<div class="calls"><div class="calls_out"># spent 2&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
375<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
376<tr><td class="h"><a name="205"></a>205</td><td class="c3">1</td><td class="c0"><span title="Avg 56&micro;s">56&micro;s</span></td><td class="c3">2</td><td class="c3">47&micro;s</td><td class="s">our $sub_module_spec_rx = qr/$qual_module_spec_rx|$unqual_sub_module_spec_rx/o;<div class="calls"><div class="calls_out"># spent 40&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_regcomp">Module::Runtime::CORE:regcomp</a>
377# spent 7&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_qr">Module::Runtime::CORE:qr</a></div></div></td></tr>
378<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
379<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
380<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
381<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s">=head1 FUNCTIONS</td></tr>
382<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
383<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s">=head2 Basic module handling</td></tr>
384<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
385<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s">=over</td></tr>
386<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
387<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s">=item is_module_name(ARG)</td></tr>
388<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
389<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s">Returns a truth value indicating whether I&lt;ARG&gt; is a plain string</td></tr>
390<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s">satisfying Perl module name syntax as described for L&lt;/$module_name_rx&gt;.</td></tr>
391<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
392<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
393<tr><td class="h"><a name="221"></a>221</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
394<tr><td class="h"><a name="222"></a>222</td><td class="c0">2714</td><td class="c0"><span title="Avg 13&micro;s">35.6ms</span></td><td class="c0">5429</td><td class="c0">24.7ms</td><td class="s"><div class="calls"><div class="calls_in"># spent 45.7ms (21.0+24.7) within Module::Runtime::is_module_name which was called 2714 times, avg 17&micro;s/call:
395# 2714 times (21.0ms+24.7ms) by Module::Runtime::check_module_name at <a href="Module-Runtime-pm-75-line.html#241">line 241</a>, avg 17&micro;s/call</div></div>sub is_module_name($) { _is_string($_[0]) &amp;&amp; $_[0] =~ /\A$module_name_rx\z/o }<div class="calls"><div class="calls_out"># spent 15.8ms making 2714 calls to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_match">Module::Runtime::CORE:match</a>, avg 6&micro;s/call
396# spent 8.92ms making 2714 calls to <a href="Module-Runtime-pm-75-line.html#160">Module::Runtime::_is_string</a>, avg 3&micro;s/call
397# spent 21&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_regcomp">Module::Runtime::CORE:regcomp</a></div></div></td></tr>
398<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
399<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s">=item is_valid_module_name(ARG)</td></tr>
400<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
401<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s">Deprecated alias for L&lt;/is_module_name&gt;.</td></tr>
402<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
403<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
404<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
405<tr><td class="h"><a name="230"></a>230</td><td class="c3">1</td><td class="c3"><span title="Avg 2&micro;s">2&micro;s</span></td><td></td><td></td><td class="s">*is_valid_module_name = \&amp;is_module_name;</td></tr>
406<tr><td class="h"><a name="231"></a>231</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
407<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s">=item check_module_name(ARG)</td></tr>
408<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
409<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s">Check whether I&lt;ARG&gt; is a plain string</td></tr>
410<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s">satisfying Perl module name syntax as described for L&lt;/$module_name_rx&gt;.</td></tr>
411<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s">Return normally if it is, or C&lt;die&gt; if it is not.</td></tr>
412<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
413<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
414<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
415<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 56.3ms (10.6+45.7) within Module::Runtime::check_module_name which was called 2714 times, avg 21&micro;s/call:
416# 2409 times (9.81ms+41.6ms) by Class::Load::try_load_class at <a href="Class-Load-pm-67-line.html#139">line 139 of Class/Load.pm</a>, avg 21&micro;s/call
417# 282 times (734&micro;s+3.04ms) by Module::Runtime::module_notional_filename at <a href="Module-Runtime-pm-75-line.html#264">line 264</a>, avg 13&micro;s/call
418# 22 times (84&micro;s+1.02ms) by Class::Load::load_first_existing_class at <a href="Class-Load-pm-67-line.html#49">line 49 of Class/Load.pm</a>, avg 50&micro;s/call
419# once (6&micro;s+15&micro;s) by Class::Load::load_optional_class at <a href="Class-Load-pm-67-line.html#119">line 119 of Class/Load.pm</a></div></div>sub check_module_name($) {</td></tr>
420<tr><td class="h"><a name="241"></a>241</td><td class="c0">2714</td><td class="c0"><span title="Avg 3&micro;s">8.90ms</span></td><td class="c0">2714</td><td class="c0">45.7ms</td><td class="s"> unless(&amp;is_module_name) {<div class="calls"><div class="calls_out"> # spent 45.7ms making 2714 calls to <a href="Module-Runtime-pm-75-line.html#222">Module::Runtime::is_module_name</a>, avg 17&micro;s/call</div></div></td></tr>
421<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"> die +(_is_string($_[0]) ? &quot;`$_[0]'&quot; : &quot;argument&quot;).</td></tr>
422<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"> &quot; is not a module name\n&quot;;</td></tr>
423<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
424<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
425<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
426<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s">=item module_notional_filename(NAME)</td></tr>
427<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
428<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s">Generates a notional relative filename for a module, which is used in</td></tr>
429<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s">some Perl core interfaces.</td></tr>
430<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s">The I&lt;NAME&gt; is a string, which should be a valid module name (one or</td></tr>
431<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s">more C&lt;::&gt;-separated segments). If it is not a valid name, the function</td></tr>
432<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s">C&lt;die&gt;s.</td></tr>
433<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
434<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s">The notional filename for the named module is generated and returned.</td></tr>
435<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s">This filename is always in Unix style, with C&lt;/&gt; directory separators</td></tr>
436<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s">and a C&lt;.pm&gt; suffix. This kind of filename can be used as an argument to</td></tr>
437<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s">C&lt;require&gt;, and is the key that appears in C&lt;%INC&gt; to identify a module,</td></tr>
438<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s">regardless of actual local filename syntax.</td></tr>
439<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
440<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
441<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
442<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 7.50ms (2.43+5.07) within Module::Runtime::module_notional_filename which was called 282 times, avg 27&micro;s/call:
443# 138 times (1.01ms+2.44ms) by Module::Runtime::require_module at <a href="Module-Runtime-pm-75-line.html#317">line 317</a>, avg 25&micro;s/call
444# 137 times (1.36ms+2.49ms) by Class::Load::try_load_class at <a href="Class-Load-pm-67-line.html#158">line 158 of Class/Load.pm</a>, avg 28&micro;s/call
445# 6 times (44&micro;s+123&micro;s) by Class::Load::load_first_existing_class at <a href="Class-Load-pm-67-line.html#63">line 63 of Class/Load.pm</a>, avg 28&micro;s/call
446# once (8&micro;s+19&micro;s) by Class::Load::_nonexistent_fail_re at <a href="Class-Load-pm-67-line.html#98">line 98 of Class/Load.pm</a></div></div>sub module_notional_filename($) {</td></tr>
447<tr><td class="h"><a name="264"></a>264</td><td class="c0">282</td><td class="c0"><span title="Avg 1&micro;s">402&micro;s</span></td><td class="c0">282</td><td class="c0">3.77ms</td><td class="s"> &amp;check_module_name;<div class="calls"><div class="calls_out"> # spent 3.77ms making 282 calls to <a href="Module-Runtime-pm-75-line.html#240">Module::Runtime::check_module_name</a>, avg 13&micro;s/call</div></div></td></tr>
448<tr><td class="h"><a name="265"></a>265</td><td class="c0">282</td><td class="c0"><span title="Avg 646ns">182&micro;s</span></td><td></td><td></td><td class="s"> my($name) = @_;</td></tr>
449<tr><td class="h"><a name="266"></a>266</td><td class="c0">282</td><td class="c0"><span title="Avg 7&micro;s">1.98ms</span></td><td class="c0">282</td><td class="c0">1.30ms</td><td class="s"> $name =~ s!::!/!g;<div class="calls"><div class="calls_out"> # spent 1.30ms making 282 calls to <a href="Module-Runtime-pm-75-line.html#Module__Runtime__CORE_subst">Module::Runtime::CORE:subst</a>, avg 5&micro;s/call</div></div></td></tr>
450<tr><td class="h"><a name="267"></a>267</td><td class="c0">282</td><td class="c0"><span title="Avg 4&micro;s">1.01ms</span></td><td></td><td></td><td class="s"> return $name.&quot;.pm&quot;;</td></tr>
451<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
452<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
453<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s">=item require_module(NAME)</td></tr>
454<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
455<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s">This is essentially the bareword form of C&lt;require&gt;, in runtime form.</td></tr>
456<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s">The I&lt;NAME&gt; is a string, which should be a valid module name (one or</td></tr>
457<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s">more C&lt;::&gt;-separated segments). If it is not a valid name, the function</td></tr>
458<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s">C&lt;die&gt;s.</td></tr>
459<tr><td class="h"><a name="276"></a>276</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
460<tr><td class="h"><a name="277"></a>277</td><td></td><td></td><td></td><td></td><td class="s">The module specified by I&lt;NAME&gt; is loaded, if it hasn't been already,</td></tr>
461<tr><td class="h"><a name="278"></a>278</td><td></td><td></td><td></td><td></td><td class="s">in the manner of the bareword form of C&lt;require&gt;. That means that a</td></tr>
462<tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s">search through C&lt;@INC&gt; is performed, and a byte-compiled form of the</td></tr>
463<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s">module will be used if available.</td></tr>
464<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
465<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s">The return value is as for C&lt;require&gt;. That is, it is the value returned</td></tr>
466<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s">by the module itself if the module is loaded anew, or C&lt;1&gt; if the module</td></tr>
467<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s">was already loaded.</td></tr>
468<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
469<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
470<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
471<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s"># Don't &quot;use constant&quot; here, to avoid dependencies.</td></tr>
472<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 13&micro;s within Module::Runtime::BEGIN@289 which was called:
473# once (13&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#294">line 294</a></div></div>BEGIN {</td></tr>
474<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"> *_WORK_AROUND_HINT_LEAKAGE =</td></tr>
475<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s"> &quot;$]&quot; &lt; 5.011 &amp;&amp; !(&quot;$]&quot; &gt;= 5.009004 &amp;&amp; &quot;$]&quot; &lt; 5.010001)</td></tr>
476<tr><td class="h"><a name="292"></a>292</td><td class="c3">1</td><td class="c3"><span title="Avg 4&micro;s">4&micro;s</span></td><td></td><td></td><td class="s"> ? sub(){1} : sub(){0};</td></tr>
477<tr><td class="h"><a name="293"></a>293</td><td class="c3">1</td><td class="c3"><span title="Avg 8&micro;s">8&micro;s</span></td><td></td><td></td><td class="s"> *_WORK_AROUND_BROKEN_MODULE_STATE = &quot;$]&quot; &lt; 5.009 ? sub(){1} : sub(){0};</td></tr>
478<tr><td class="h"><a name="294"></a>294</td><td class="c3">1</td><td class="c0"><span title="Avg 53&micro;s">53&micro;s</span></td><td class="c3">1</td><td class="c3">13&micro;s</td><td class="s">}<div class="calls"><div class="calls_out"># spent 13&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#289">Module::Runtime::BEGIN@289</a></div></div></td></tr>
479<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
480<tr><td class="h"><a name="296"></a>296</td><td class="c3">1</td><td class="c3"><span title="Avg 5&micro;s">5&micro;s</span></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 4&micro;s within Module::Runtime::BEGIN@296 which was called:
481# once (4&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#301">line 301</a></div></div>BEGIN { if(_WORK_AROUND_BROKEN_MODULE_STATE) { eval q{</td></tr>
482<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s"> sub Module::Runtime::__GUARD__::DESTROY {</td></tr>
483<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"> delete $INC{$_[0]-&gt;[0]} if @{$_[0]};</td></tr>
484<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
485<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
486<tr><td class="h"><a name="301"></a>301</td><td class="c3">1</td><td class="c0"><span title="Avg 517&micro;s">517&micro;s</span></td><td class="c3">1</td><td class="c3">4&micro;s</td><td class="s">}; die $@ if $@ ne &quot;&quot;; } }<div class="calls"><div class="calls_out"># spent 4&micro;s making 1 call to <a href="Module-Runtime-pm-75-line.html#296">Module::Runtime::BEGIN@296</a></div></div></td></tr>
487<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
488<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 3.86s (108ms+3.75) within Module::Runtime::require_module which was called 138 times, avg 28.0ms/call:
489# 137 times (107ms+3.75s) by Class::Load::__ANON__[/Users/edenc/perl5/lib/perl5/Class/Load.pm:180] at <a href="Class-Load-pm-67-line.html#177">line 177 of Class/Load.pm</a>, avg 28.2ms/call
490# once (284&micro;s+381&micro;s) by Module::Implementation::__ANON__[/Users/edenc/perl5/lib/perl5/Module/Implementation.pm:87] at <a href="Module-Implementation-pm-74-line.html#85">line 85 of Module/Implementation.pm</a></div></div>sub require_module($) {</td></tr>
491<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"> # Localise %^H to work around [perl #68590], where the bug exists</td></tr>
492<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"> # and this is a satisfactory workaround. The bug consists of</td></tr>
493<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"> # %^H state leaking into each required module, polluting the</td></tr>
494<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s"> # module's lexical state.</td></tr>
495<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s"> local %^H if _WORK_AROUND_HINT_LEAKAGE;</td></tr>
496<tr><td class="h"><a name="309"></a>309</td><td class="c0">138</td><td class="c2"><span title="Avg 191ns">26&micro;s</span></td><td></td><td></td><td class="s"> if(_WORK_AROUND_BROKEN_MODULE_STATE) {</td></tr>
497<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s"> my $notional_filename = &amp;module_notional_filename;</td></tr>
498<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"> my $guard = bless([ $notional_filename ],</td></tr>
499<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s"> &quot;Module::Runtime::__GUARD__&quot;);</td></tr>
500<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"> my $result = require($notional_filename);</td></tr>
501<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"> pop @$guard;</td></tr>
502<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> return $result;</td></tr>
503<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
504<tr><td class="h"><a name="317"></a>317</td><td class="c0">138</td><td class="c0"><span title="Avg 153&micro;s">21.2ms</span></td><td class="c0">138</td><td class="c0">3.45ms</td><td class="s"> return scalar(require(&amp;module_notional_filename));<div class="calls"><div class="calls_out"> # spent 3.45ms making 138 calls to <a href="Module-Runtime-pm-75-line.html#263">Module::Runtime::module_notional_filename</a>, avg 25&micro;s/call</div></div></td></tr>
505<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
506<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
507<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
508<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
509<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
510<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s">=head2 Structured module use</td></tr>
511<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
512<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s">=over</td></tr>
513<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
514<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s">=item use_module(NAME[, VERSION])</td></tr>
515<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
516<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s">This is essentially C&lt;use&gt; in runtime form, but without the importing</td></tr>
517<tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s">feature (which is fundamentally a compile-time thing). The I&lt;NAME&gt; is</td></tr>
518<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s">handled just like in C&lt;require_module&gt; above: it must be a module name,</td></tr>
519<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s">and the named module is loaded as if by the bareword form of C&lt;require&gt;.</td></tr>
520<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
521<tr><td class="h"><a name="334"></a>334</td><td></td><td></td><td></td><td></td><td class="s">If a I&lt;VERSION&gt; is specified, the C&lt;VERSION&gt; method of the loaded module is</td></tr>
522<tr><td class="h"><a name="335"></a>335</td><td></td><td></td><td></td><td></td><td class="s">called with the specified I&lt;VERSION&gt; as an argument. This normally serves to</td></tr>
523<tr><td class="h"><a name="336"></a>336</td><td></td><td></td><td></td><td></td><td class="s">ensure that the version loaded is at least the version required. This is</td></tr>
524<tr><td class="h"><a name="337"></a>337</td><td></td><td></td><td></td><td></td><td class="s">the same functionality provided by the I&lt;VERSION&gt; parameter of C&lt;use&gt;.</td></tr>
525<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
526<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s">On success, the name of the module is returned. This is unlike</td></tr>
527<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s">L&lt;/require_module&gt;, and is done so that the entire call to L&lt;/use_module&gt;</td></tr>
528<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s">can be used as a class name to call a constructor, as in the example in</td></tr>
529<tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s">the synopsis.</td></tr>
530<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
531<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
532<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
533<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s">sub use_module($;$) {</td></tr>
534<tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s"> my($name, $version) = @_;</td></tr>
535<tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s"> require_module($name);</td></tr>
536<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"> if(defined $version) {</td></tr>
537<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s"> $name-&gt;VERSION($version);</td></tr>
538<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
539<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s"> return $name;</td></tr>
540<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
541<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
542<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s">=item use_package_optimistically(NAME[, VERSION])</td></tr>
543<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
544<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s">This is an analogue of L&lt;/use_module&gt; for the situation where there is</td></tr>
545<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s">uncertainty as to whether a package/class is defined in its own module</td></tr>
546<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s">or by some other means. It attempts to arrange for the named package to</td></tr>
547<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s">be available, either by loading a module or by doing nothing and hoping.</td></tr>
548<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
549<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s">An attempt is made to load the named module (as if by the bareword form</td></tr>
550<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s">of C&lt;require&gt;). If the module cannot be found then it is assumed that</td></tr>
551<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s">the package was actually already loaded by other means, and no error</td></tr>
552<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s">is signalled. That's the optimistic bit.</td></tr>
553<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
554<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s">This is mostly the same operation that is performed by the L&lt;base&gt; pragma</td></tr>
555<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s">to ensure that the specified base classes are available. The behaviour</td></tr>
556<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s">of L&lt;base&gt; was simplified in version 2.18, and this function changed</td></tr>
557<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s">to match.</td></tr>
558<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
559<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s">If a I&lt;VERSION&gt; is specified, the C&lt;VERSION&gt; method of the loaded package is</td></tr>
560<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s">called with the specified I&lt;VERSION&gt; as an argument. This normally serves</td></tr>
561<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s">to ensure that the version loaded is at least the version required.</td></tr>
562<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s">On success, the name of the package is returned. These aspects of the</td></tr>
563<tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s">function work just like L&lt;/use_module&gt;.</td></tr>
564<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
565<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
566<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
567<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s">sub use_package_optimistically($;$) {</td></tr>
568<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"> my($name, $version) = @_;</td></tr>
569<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s"> check_module_name($name);</td></tr>
570<tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s"> eval { local $SIG{__DIE__}; require_module($name); };</td></tr>
571<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"> die $@ if $@ ne &quot;&quot; &amp;&amp;</td></tr>
572<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s"> $@ !~ /\ACan't locate .+ at \Q@{[__FILE__]}\E line/s;</td></tr>
573<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s"> $name-&gt;VERSION($version) if defined $version;</td></tr>
574<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s"> return $name;</td></tr>
575<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
576<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
577<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
578<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
579<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s">=head2 Module name composition</td></tr>
580<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
581<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s">=over</td></tr>
582<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
583<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s">=item is_module_spec(PREFIX, SPEC)</td></tr>
584<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
585<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s">Returns a truth value indicating</td></tr>
586<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s">whether I&lt;SPEC&gt; is valid input for L&lt;/compose_module_name&gt;.</td></tr>
587<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s">See below for what that entails. Whether a I&lt;PREFIX&gt; is supplied affects</td></tr>
588<tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s">the validity of I&lt;SPEC&gt;, but the exact value of the prefix is unimportant,</td></tr>
589<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s">so this function treats I&lt;PREFIX&gt; as a truth value.</td></tr>
590<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
591<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
592<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
593<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s">sub is_module_spec($$) {</td></tr>
594<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s"> my($prefix, $spec) = @_;</td></tr>
595<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s"> return _is_string($spec) &amp;&amp;</td></tr>
596<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s"> $spec =~ ($prefix ? qr/\A$sub_module_spec_rx\z/o :</td></tr>
597<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s"> qr/\A$top_module_spec_rx\z/o);</td></tr>
598<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
599<tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
600<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s">=item is_valid_module_spec(PREFIX, SPEC)</td></tr>
601<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
602<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s">Deprecated alias for L&lt;/is_module_spec&gt;.</td></tr>
603<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
604<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
605<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
606<tr><td class="h"><a name="419"></a>419</td><td class="c3">1</td><td class="c3"><span title="Avg 700ns">700ns</span></td><td></td><td></td><td class="s">*is_valid_module_spec = \&amp;is_module_spec;</td></tr>
607<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
608<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s">=item check_module_spec(PREFIX, SPEC)</td></tr>
609<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
610<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s">Check whether I&lt;SPEC&gt; is valid input for L&lt;/compose_module_name&gt;.</td></tr>
611<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s">Return normally if it is, or C&lt;die&gt; if it is not.</td></tr>
612<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
613<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
614<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
615<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s">sub check_module_spec($$) {</td></tr>
616<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> unless(&amp;is_module_spec) {</td></tr>
617<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"> die +(_is_string($_[1]) ? &quot;`$_[1]'&quot; : &quot;argument&quot;).</td></tr>
618<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> &quot; is not a module specification\n&quot;;</td></tr>
619<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
620<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
621<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
622<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s">=item compose_module_name(PREFIX, SPEC)</td></tr>
623<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
624<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s">This function is intended to make it more convenient for a user to specify</td></tr>
625<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s">a Perl module name at runtime. Users have greater need for abbreviations</td></tr>
626<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s">and context-sensitivity than programmers, and Perl module names get a</td></tr>
627<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s">little unwieldy. I&lt;SPEC&gt; is what the user specifies, and this function</td></tr>
628<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s">translates it into a module name in standard form, which it returns.</td></tr>
629<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
630<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s">I&lt;SPEC&gt; has syntax approximately that of a standard module name: it</td></tr>
631<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s">should consist of one or more name segments, each of which consists</td></tr>
632<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s">of one or more identifier characters. However, C&lt;/&gt; is permitted as a</td></tr>
633<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s">separator, in addition to the standard C&lt;::&gt;. The two separators are</td></tr>
634<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s">entirely interchangeable.</td></tr>
635<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
636<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s">Additionally, if I&lt;PREFIX&gt; is not C&lt;undef&gt; then it must be a module</td></tr>
637<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s">name in standard form, and it is prefixed to the user-specified name.</td></tr>
638<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s">The user can inhibit the prefix addition by starting I&lt;SPEC&gt; with a</td></tr>
639<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s">separator (either C&lt;/&gt; or C&lt;::&gt;).</td></tr>
640<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
641<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
642<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
643<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s">sub compose_module_name($$) {</td></tr>
644<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s"> my($prefix, $spec) = @_;</td></tr>
645<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"> check_module_name($prefix) if defined $prefix;</td></tr>
646<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"> &amp;check_module_spec;</td></tr>
647<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> if($spec =~ s#\A(?:/|::)##) {</td></tr>
648<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"> # OK</td></tr>
649<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
650<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s"> $spec = $prefix.&quot;::&quot;.$spec if defined $prefix;</td></tr>
651<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
652<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s"> $spec =~ s#/#::#g;</td></tr>
653<tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s"> return $spec;</td></tr>
654<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
655<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
656<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s">=back</td></tr>
657<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
658<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
659<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
660<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s">L&lt;Lexical::SealRequireHints&gt;,</td></tr>
661<tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s">L&lt;base&gt;,</td></tr>
662<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s">L&lt;perlfunc/require&gt;,</td></tr>
663<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s">L&lt;perlfunc/use&gt;</td></tr>
664<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
665<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
666<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
667<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s">Andrew Main (Zefram) &lt;zefram@fysh.org&gt;</td></tr>
668<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
669<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT</td></tr>
670<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
671<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s">Copyright (C) 2004, 2006, 2007, 2009, 2010, 2011, 2012</td></tr>
672<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s">Andrew Main (Zefram) &lt;zefram@fysh.org&gt;</td></tr>
673<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
674<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s">=head1 LICENSE</td></tr>
675<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
676<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s">This module is free software; you can redistribute it and/or modify it</td></tr>
677<tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s">under the same terms as Perl itself.</td></tr>
678<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
679<tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
680<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
681<tr><td class="h"><a name="494"></a>494</td><td class="c3">1</td><td class="c0"><span title="Avg 50&micro;s">50&micro;s</span></td><td></td><td></td><td class="s">1;</td></tr>
682<tr><td class="s"><a name=""></a>&nbsp;</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
683<tr><td class="h"><a name="Module__Runtime__CORE_match"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 15.8ms within Module::Runtime::CORE:match which was called 2719 times, avg 6&micro;s/call:
684# 2714 times (15.8ms+0s) by Module::Runtime::is_module_name at <a href="Module-Runtime-pm-75-line.html#222">line 222</a>, avg 6&micro;s/call
685# 5 times (4&micro;s+0s) by Module::Runtime::import at <a href="Module-Runtime-pm-75-line.html#143">line 143</a>, avg 820ns/call</div></div>sub Module::Runtime::CORE:match; # opcode<br /> </td></tr>
686<tr><td class="h"><a name="Module__Runtime__CORE_qr"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 18&micro;s within Module::Runtime::CORE:qr which was called 6 times, avg 3&micro;s/call:
687# once (7&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#205">line 205</a>
688# once (5&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#179">line 179</a>
689# once (2&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#203">line 203</a>
690# once (2&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#194">line 194</a>
691# once (1&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#188">line 188</a>
692# once (900ns+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#191">line 191</a></div></div>sub Module::Runtime::CORE:qr; # opcode<br /> </td></tr>
693<tr><td class="h"><a name="Module__Runtime__CORE_regcomp"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 102&micro;s within Module::Runtime::CORE:regcomp which was called 3 times, avg 34&micro;s/call:
694# once (40&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#205">line 205</a>
695# once (40&micro;s+0s) by Module::Implementation::BEGIN@9 at <a href="Module-Runtime-pm-75-line.html#194">line 194</a>
696# once (21&micro;s+0s) by Module::Runtime::is_module_name at <a href="Module-Runtime-pm-75-line.html#222">line 222</a></div></div>sub Module::Runtime::CORE:regcomp; # opcode<br /> </td></tr>
697<tr><td class="h"><a name="Module__Runtime__CORE_subst"></a></td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 1.30ms within Module::Runtime::CORE:subst which was called 282 times, avg 5&micro;s/call:
698# 282 times (1.30ms+0s) by Module::Runtime::module_notional_filename at <a href="Module-Runtime-pm-75-line.html#266">line 266</a>, avg 5&micro;s/call</div></div>sub Module::Runtime::CORE:subst; # opcode<br /> </td></tr>
699</tbody></table></div>
700
701 <script type="text/javascript"> $(document).ready(function() {
702
703 $("#subs_table").tablesorter({
704 sortList: [[3,1]],
705 headers: {
706 3: { sorter: 'fmt_time' },
707 4: { sorter: 'fmt_time' }
708 }
709 });
710
711 } ); </script>
712
713 <div class="footer">Report produced by the
714 <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
715 Perl profiler, developed by
716 <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
717 <a href="http://code.nytimes.com">Adam Kaplan</a>.
718 </div>
719 <br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
720 </body></html>
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