--- /dev/null
+ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+ <html xmlns="http://www.w3.org/1999/xhtml">
+<!--
+This file was generated by Devel::NYTProf version 4.06
+-->
+<head>
+ <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <meta http-equiv="Content-Language" content="en-us" />
+ <title>Profile of PPI/Document.pm</title>
+<link rel="stylesheet" type="text/css" href="style.css" />
+ <script type="text/javascript" src="js/jquery-min.js"></script>
+
+ <script type="text/javascript" src="js/jquery-tablesorter-min.js"></script>
+ <link rel="stylesheet" type="text/css" href="js/style-tablesorter.css" />
+ <script type="text/javascript">
+ // when a column is first clicked on to sort it, use descending order
+ // XXX doesn't seem to work (and not just because the tablesorter formatSortingOrder() is broken)
+ $.tablesorter.defaults.sortInitialOrder = "desc";
+ // add parser through the tablesorter addParser method
+ $.tablesorter.addParser({
+ id: 'fmt_time', // name of this parser
+ is: function(s) {
+ return false; // return false so this parser is not auto detected
+ },
+ format: function(orig) { // format data for normalization
+ // console.log(orig);
+ val = orig.replace(/ns/,'');
+ if (val != orig) { return val / (1000*1000*1000); }
+ val = orig.replace(/µs/,''); /* XXX use µ ? */
+ if (val != orig) { return val / (1000*1000); }
+ var val = orig.replace(/ms/,'');
+ if (val != orig) { return val / (1000); }
+ var val = orig.replace(/s/,'');
+ if (val != orig) { return val; }
+ if (orig == '0') { return orig; }
+ console.log('no match for fmt_time of '.concat(orig));
+ return orig;
+ },
+ type: 'numeric' // set type, either numeric or text
+ });
+ </script>
+</head>
+
+<body >
+<div class="header" style="position: relative; overflow-x: hidden; overflow-y: hidden; z-index: 0; ">
+<div class="header_back">
+ <a href="index.html">← Index</a>
+ </div>
+<div class="headerForeground" style="float: left">
+ <span class="siteTitle">NYTProf Performance Profile</span>
+ <span class="siteSubtitle">  <span>« <span class="mode_btn"><a href="PPI-Document-pm-996-block.html">block view</a></span> • <span class="mode_btn mode_btn_selected">line view</span> • <span class="mode_btn"><a href="PPI-Document-pm-996-sub.html">sub view</a></span> »</span><br />
+ For script/nytprof.pl
+ </span>
+</div>
+<div class="headerForeground" style="float: right; text-align: right">
+ <span class="siteTitle"> </span>
+ <span class="siteSubtitle">Run on Thu May 31 16:49:15 2012<br />Reported on Thu May 31 16:55:27 2012</span>
+</div>
+<div style="position: absolute; left: 0px; top: 0%; width: 100%; height: 101%; z-index: -1; background-color: rgb(17, 136, 255); "></div>
+<div style="position: absolute; left: 0px; top: 2%; width: 100%; height: 99%; z-index: -1; background-color: rgb(16, 134, 253); "></div>
+<div style="position: absolute; left: 0px; top: 4%; width: 100%; height: 97%; z-index: -1; background-color: rgb(16, 133, 252); "></div>
+<div style="position: absolute; left: 0px; top: 6%; width: 100%; height: 95%; z-index: -1; background-color: rgb(15, 131, 250); "></div>
+<div style="position: absolute; left: 0px; top: 8%; width: 100%; height: 93%; z-index: -1; background-color: rgb(15, 130, 249); "></div>
+<div style="position: absolute; left: 0px; top: 10%; width: 100%; height: 91%; z-index: -1; background-color: rgb(15, 129, 248); "></div>
+<div style="position: absolute; left: 0px; top: 12%; width: 100%; height: 89%; z-index: -1; background-color: rgb(14, 127, 246); "></div>
+<div style="position: absolute; left: 0px; top: 14%; width: 100%; height: 87%; z-index: -1; background-color: rgb(14, 126, 245); "></div>
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+<div style="position: absolute; left: 0px; top: 18%; width: 100%; height: 83%; z-index: -1; background-color: rgb(13, 123, 242); "></div>
+<div style="position: absolute; left: 0px; top: 20%; width: 100%; height: 81%; z-index: -1; background-color: rgb(13, 122, 241); "></div>
+<div style="position: absolute; left: 0px; top: 22%; width: 100%; height: 79%; z-index: -1; background-color: rgb(13, 121, 240); "></div>
+<div style="position: absolute; left: 0px; top: 24%; width: 100%; height: 77%; z-index: -1; background-color: rgb(12, 119, 238); "></div>
+<div style="position: absolute; left: 0px; top: 26%; width: 100%; height: 75%; z-index: -1; background-color: rgb(12, 118, 237); "></div>
+<div style="position: absolute; left: 0px; top: 28%; width: 100%; height: 73%; z-index: -1; background-color: rgb(12, 116, 235); "></div>
+<div style="position: absolute; left: 0px; top: 30%; width: 100%; height: 71%; z-index: -1; background-color: rgb(11, 115, 234); "></div>
+<div style="position: absolute; left: 0px; top: 32%; width: 100%; height: 69%; z-index: -1; background-color: rgb(11, 114, 233); "></div>
+<div style="position: absolute; left: 0px; top: 34%; width: 100%; height: 67%; z-index: -1; background-color: rgb(11, 112, 231); "></div>
+<div style="position: absolute; left: 0px; top: 36%; width: 100%; height: 65%; z-index: -1; background-color: rgb(10, 111, 230); "></div>
+<div style="position: absolute; left: 0px; top: 38%; width: 100%; height: 63%; z-index: -1; background-color: rgb(10, 110, 229); "></div>
+<div style="position: absolute; left: 0px; top: 40%; width: 100%; height: 61%; z-index: -1; background-color: rgb(10, 108, 227); "></div>
+<div style="position: absolute; left: 0px; top: 42%; width: 100%; height: 59%; z-index: -1; background-color: rgb(9, 107, 226); "></div>
+<div style="position: absolute; left: 0px; top: 44%; width: 100%; height: 57%; z-index: -1; background-color: rgb(9, 106, 225); "></div>
+<div style="position: absolute; left: 0px; top: 46%; width: 100%; height: 55%; z-index: -1; background-color: rgb(9, 104, 223); "></div>
+<div style="position: absolute; left: 0px; top: 48%; width: 100%; height: 53%; z-index: -1; background-color: rgb(8, 103, 222); "></div>
+<div style="position: absolute; left: 0px; top: 50%; width: 100%; height: 51%; z-index: -1; background-color: rgb(8, 102, 221); "></div>
+<div style="position: absolute; left: 0px; top: 52%; width: 100%; height: 49%; z-index: -1; background-color: rgb(8, 100, 219); "></div>
+<div style="position: absolute; left: 0px; top: 54%; width: 100%; height: 47%; z-index: -1; background-color: rgb(7, 99, 218); "></div>
+<div style="position: absolute; left: 0px; top: 56%; width: 100%; height: 45%; z-index: -1; background-color: rgb(7, 97, 216); "></div>
+<div style="position: absolute; left: 0px; top: 58%; width: 100%; height: 43%; z-index: -1; background-color: rgb(7, 96, 215); "></div>
+<div style="position: absolute; left: 0px; top: 60%; width: 100%; height: 41%; z-index: -1; background-color: rgb(6, 95, 214); "></div>
+<div style="position: absolute; left: 0px; top: 62%; width: 100%; height: 39%; z-index: -1; background-color: rgb(6, 93, 212); "></div>
+<div style="position: absolute; left: 0px; top: 64%; width: 100%; height: 37%; z-index: -1; background-color: rgb(6, 92, 211); "></div>
+<div style="position: absolute; left: 0px; top: 66%; width: 100%; height: 35%; z-index: -1; background-color: rgb(5, 91, 210); "></div>
+<div style="position: absolute; left: 0px; top: 68%; width: 100%; height: 33%; z-index: -1; background-color: rgb(5, 89, 208); "></div>
+<div style="position: absolute; left: 0px; top: 70%; width: 100%; height: 31%; z-index: -1; background-color: rgb(5, 88, 207); "></div>
+<div style="position: absolute; left: 0px; top: 72%; width: 100%; height: 29%; z-index: -1; background-color: rgb(4, 87, 206); "></div>
+<div style="position: absolute; left: 0px; top: 74%; width: 100%; height: 27%; z-index: -1; background-color: rgb(4, 85, 204); "></div>
+<div style="position: absolute; left: 0px; top: 76%; width: 100%; height: 25%; z-index: -1; background-color: rgb(4, 84, 203); "></div>
+<div style="position: absolute; left: 0px; top: 78%; width: 100%; height: 23%; z-index: -1; background-color: rgb(3, 82, 201); "></div>
+<div style="position: absolute; left: 0px; top: 80%; width: 100%; height: 21%; z-index: -1; background-color: rgb(3, 81, 200); "></div>
+<div style="position: absolute; left: 0px; top: 82%; width: 100%; height: 19%; z-index: -1; background-color: rgb(3, 80, 199); "></div>
+<div style="position: absolute; left: 0px; top: 84%; width: 100%; height: 17%; z-index: -1; background-color: rgb(2, 78, 197); "></div>
+<div style="position: absolute; left: 0px; top: 86%; width: 100%; height: 15%; z-index: -1; background-color: rgb(2, 77, 196); "></div>
+<div style="position: absolute; left: 0px; top: 88%; width: 100%; height: 13%; z-index: -1; background-color: rgb(2, 76, 195); "></div>
+<div style="position: absolute; left: 0px; top: 90%; width: 100%; height: 11%; z-index: -1; background-color: rgb(1, 74, 193); "></div>
+<div style="position: absolute; left: 0px; top: 92%; width: 100%; height: 9%; z-index: -1; background-color: rgb(1, 73, 192); "></div>
+<div style="position: absolute; left: 0px; top: 94%; width: 100%; height: 7%; z-index: -1; background-color: rgb(1, 72, 191); "></div>
+<div style="position: absolute; left: 0px; top: 96%; width: 100%; height: 5%; z-index: -1; background-color: rgb(0, 70, 189); "></div>
+<div style="position: absolute; left: 0px; top: 98%; width: 100%; height: 3%; z-index: -1; background-color: rgb(0, 69, 188); "></div>
+<div style="position: absolute; left: 0px; top: 100%; width: 100%; height: 1%; z-index: -1; background-color: rgb(0, 68, 187); "></div>
+</div>
+
+<div class="body_content"><br />
+<table class="file_summary"><tr><td class="h">Filename</td><td align="left"><a href="file:///Users/edenc/perl5/lib/perl5/PPI/Document.pm">/Users/edenc/perl5/lib/perl5/PPI/Document.pm</a></td></tr>
+<tr><td class="h">Statements</td><td align="left">Executed 209 statements in 4.42ms</td></tr></table>
+
+ <table id="subs_table" border="1" cellpadding="0" class="tablesorter">
+ <caption>Subroutines</caption>
+ <thead>
+ <tr>
+ <th>Calls</th>
+ <th><span title="Number of Places sub is called from">P</span></th>
+ <th><span title="Number of Files sub is called from">F</span></th>
+ <th>Exclusive<br />Time</th>
+ <th>Inclusive<br />Time</th>
+ <th>Subroutine</th>
+ </tr>
+ </thead>
+ <tbody>
+<tr><td class="c0">16</td><td class="c1">2</td><td class="c1">2</td><td class="c0"><span title="0.0%">316µs</span></td><td class="c0"><span title="0.0%">8.39ms</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::new</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#148">new</a> (recurses: max depth 1, inclusive time 356µs)</span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">264µs</span></td><td class="c0"><span title="0.0%">344µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@86</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#86">BEGIN@86</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">257µs</span></td><td class="c0"><span title="0.0%">351µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@74</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#74">BEGIN@74</a></span></td></tr>
+<tr><td class="c0">8</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">34µs</span></td><td class="c3"><span title="0.0%">34µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::_setattr</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#275">_setattr</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c0"><span title="0.0%">20µs</span></td><td class="c3"><span title="0.0%">25µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@66</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#66">BEGIN@66</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c2"><span title="0.0%">14µs</span></td><td class="c3"><span title="0.0%">14µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@80</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#80">BEGIN@80</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12µs</span></td><td class="c1"><span title="0.0%">85µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@92</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#92">BEGIN@92</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">12µs</span></td><td class="c3"><span title="0.0%">56µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@76</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#76">BEGIN@76</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">11µs</span></td><td class="c3"><span title="0.0%">61µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@93</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#93">BEGIN@93</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">11µs</span></td><td class="c3"><span title="0.0%">56µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@96</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#96">BEGIN@96</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">66µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@69</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#69">BEGIN@69</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">51µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@95</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#95">BEGIN@95</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">67µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@79</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#79">BEGIN@79</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">10µs</span></td><td class="c3"><span title="0.0%">44µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@77</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#77">BEGIN@77</a></span></td></tr>
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+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">6µs</span></td><td class="c3"><span title="0.0%">6µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@70</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#70">BEGIN@70</a></span></td></tr>
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+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">5µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@67</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#67">BEGIN@67</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">5µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@71</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#71">BEGIN@71</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">5µs</span></td><td class="c3"><span title="0.0%">5µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@73</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#73">BEGIN@73</a></span></td></tr>
+<tr><td class="c3">1</td><td class="c3">1</td><td class="c3">1</td><td class="c3"><span title="0.0%">4µs</span></td><td class="c3"><span title="0.0%">4µs</span></td><td class="sub_name"><span style="display: none;">PPI::Document::::BEGIN@72</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#72">BEGIN@72</a></span></td></tr>
+<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;">PPI::Document::::STORABLE_freeze</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#911">STORABLE_freeze</a></span></td></tr>
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+<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;">PPI::Document::::_clear</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#884">_clear</a></span></td></tr>
+<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;">PPI::Document::::_error</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#877">_error</a></span></td></tr>
+<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;">PPI::Document::::_logical_line_and_file</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#683">_logical_line_and_file</a></span></td></tr>
+<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;">PPI::Document::::_visual_length</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#737">_visual_length</a></span></td></tr>
+<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;">PPI::Document::::complete</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#812">complete</a></span></td></tr>
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+<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;">PPI::Document::::flush_locations</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#770">flush_locations</a></span></td></tr>
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+<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;">PPI::Document::::insert_after</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#859">insert_after</a></span></td></tr>
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+<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;">PPI::Document::::readonly</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#354">readonly</a></span></td></tr>
+<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;">PPI::Document::::replace</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#864">replace</a></span></td></tr>
+<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;">PPI::Document::::save</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#392">save</a></span></td></tr>
+<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;">PPI::Document::::scope</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#845">scope</a></span></td></tr>
+<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;">PPI::Document::::serialize</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#421">serialize</a></span></td></tr>
+<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;">PPI::Document::::set_cache</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#303">set_cache</a></span></td></tr>
+<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;">PPI::Document::::tab_width</span>PPI::Document::<a href="PPI-Document-pm-996-line.html#374">tab_width</a></span></td></tr>
+</tbody></table>
+ Call graph for these subroutines as a
+ <a href="http://en.wikipedia.org/wiki/Graphviz">Graphviz</a>
+ <a href="Users-edenc-perl5-lib-perl5-PPI-Document-pm.dot">dot language file</a>.
+
+ <table border="1" cellpadding="0">
+ <thead>
+ <tr><th>Line</th>
+ <th><span title="Number of statements executed">State<br />ments</span></th>
+ <th><span title="Time spend executing statements on the line,
+ excluding time spent executing statements in any called subroutines">Time<br />on line</span></th>
+ <th><span title="Number of subroutines calls">Calls</span></th>
+ <th><span title="Time spent in subroutines called (inclusive)">Time<br />in subs</span></th>
+ <th class="left_indent_header">Code</th>
+ </tr>
+
+ </thead>
+ <tbody>
+ <tr><td class="h"><a name="1"></a>1</td><td></td><td></td><td></td><td></td><td class="s">package PPI::Document;</td></tr>
+<tr><td class="h"><a name="2"></a>2</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="3"></a>3</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="4"></a>4</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="5"></a>5</td><td></td><td></td><td></td><td></td><td class="s">=head1 NAME</td></tr>
+<tr><td class="h"><a name="6"></a>6</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="7"></a>7</td><td></td><td></td><td></td><td></td><td class="s">PPI::Document - Object representation of a Perl document</td></tr>
+<tr><td class="h"><a name="8"></a>8</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="9"></a>9</td><td></td><td></td><td></td><td></td><td class="s">=head1 INHERITANCE</td></tr>
+<tr><td class="h"><a name="10"></a>10</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="11"></a>11</td><td></td><td></td><td></td><td></td><td class="s"> PPI::Document</td></tr>
+<tr><td class="h"><a name="12"></a>12</td><td></td><td></td><td></td><td></td><td class="s"> isa PPI::Node</td></tr>
+<tr><td class="h"><a name="13"></a>13</td><td></td><td></td><td></td><td></td><td class="s"> isa PPI::Element</td></tr>
+<tr><td class="h"><a name="14"></a>14</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="15"></a>15</td><td></td><td></td><td></td><td></td><td class="s">=head1 SYNOPSIS</td></tr>
+<tr><td class="h"><a name="16"></a>16</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="17"></a>17</td><td></td><td></td><td></td><td></td><td class="s"> use PPI;</td></tr>
+<tr><td class="h"><a name="18"></a>18</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="19"></a>19</td><td></td><td></td><td></td><td></td><td class="s"> # Load a document from a file</td></tr>
+<tr><td class="h"><a name="20"></a>20</td><td></td><td></td><td></td><td></td><td class="s"> my $Document = PPI::Document->new('My/Module.pm');</td></tr>
+<tr><td class="h"><a name="21"></a>21</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="22"></a>22</td><td></td><td></td><td></td><td></td><td class="s"> # Strip out comments</td></tr>
+<tr><td class="h"><a name="23"></a>23</td><td></td><td></td><td></td><td></td><td class="s"> $Document->prune('PPI::Token::Comment');</td></tr>
+<tr><td class="h"><a name="24"></a>24</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="25"></a>25</td><td></td><td></td><td></td><td></td><td class="s"> # Find all the named subroutines</td></tr>
+<tr><td class="h"><a name="26"></a>26</td><td></td><td></td><td></td><td></td><td class="s"> my $sub_nodes = $Document->find( </td></tr>
+<tr><td class="h"><a name="27"></a>27</td><td></td><td></td><td></td><td></td><td class="s"> sub { $_[1]->isa('PPI::Statement::Sub') and $_[1]->name }</td></tr>
+<tr><td class="h"><a name="28"></a>28</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="29"></a>29</td><td></td><td></td><td></td><td></td><td class="s"> my @sub_names = map { $_->name } @$sub_nodes;</td></tr>
+<tr><td class="h"><a name="30"></a>30</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="31"></a>31</td><td></td><td></td><td></td><td></td><td class="s"> # Save the file</td></tr>
+<tr><td class="h"><a name="32"></a>32</td><td></td><td></td><td></td><td></td><td class="s"> $Document->save('My/Module.pm.stripped');</td></tr>
+<tr><td class="h"><a name="33"></a>33</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="34"></a>34</td><td></td><td></td><td></td><td></td><td class="s">=head1 DESCRIPTION</td></tr>
+<tr><td class="h"><a name="35"></a>35</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="36"></a>36</td><td></td><td></td><td></td><td></td><td class="s">The C<PPI::Document> class represents a single Perl "document". A</td></tr>
+<tr><td class="h"><a name="37"></a>37</td><td></td><td></td><td></td><td></td><td class="s">C<PPI::Document> object acts as a root L<PPI::Node>, with some</td></tr>
+<tr><td class="h"><a name="38"></a>38</td><td></td><td></td><td></td><td></td><td class="s">additional methods for loading and saving, and working with</td></tr>
+<tr><td class="h"><a name="39"></a>39</td><td></td><td></td><td></td><td></td><td class="s">the line/column locations of Elements within a file.</td></tr>
+<tr><td class="h"><a name="40"></a>40</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="41"></a>41</td><td></td><td></td><td></td><td></td><td class="s">The exemption to its L<PPI::Node>-like behavior this is that a</td></tr>
+<tr><td class="h"><a name="42"></a>42</td><td></td><td></td><td></td><td></td><td class="s">C<PPI::Document> object can NEVER have a parent node, and is always</td></tr>
+<tr><td class="h"><a name="43"></a>43</td><td></td><td></td><td></td><td></td><td class="s">the root node in a tree.</td></tr>
+<tr><td class="h"><a name="44"></a>44</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="45"></a>45</td><td></td><td></td><td></td><td></td><td class="s">=head2 Storable Support</td></tr>
+<tr><td class="h"><a name="46"></a>46</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="47"></a>47</td><td></td><td></td><td></td><td></td><td class="s">C<PPI::Document> implements the necessary C<STORABLE_freeze> and</td></tr>
+<tr><td class="h"><a name="48"></a>48</td><td></td><td></td><td></td><td></td><td class="s">C<STORABLE_thaw> hooks to provide native support for L<Storable>,</td></tr>
+<tr><td class="h"><a name="49"></a>49</td><td></td><td></td><td></td><td></td><td class="s">if you have it installed.</td></tr>
+<tr><td class="h"><a name="50"></a>50</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="51"></a>51</td><td></td><td></td><td></td><td></td><td class="s">However if you want to clone clone a Document, you are highly recommended</td></tr>
+<tr><td class="h"><a name="52"></a>52</td><td></td><td></td><td></td><td></td><td class="s">to use the internal C<$Document-E<gt>clone> method rather than Storable's</td></tr>
+<tr><td class="h"><a name="53"></a>53</td><td></td><td></td><td></td><td></td><td class="s">C<dclone> function (although C<dclone> should still work).</td></tr>
+<tr><td class="h"><a name="54"></a>54</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="55"></a>55</td><td></td><td></td><td></td><td></td><td class="s">=head1 METHODS</td></tr>
+<tr><td class="h"><a name="56"></a>56</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="57"></a>57</td><td></td><td></td><td></td><td></td><td class="s">Most of the things you are likely to want to do with a Document are</td></tr>
+<tr><td class="h"><a name="58"></a>58</td><td></td><td></td><td></td><td></td><td class="s">probably going to involve the methods from L<PPI::Node> class, of which</td></tr>
+<tr><td class="h"><a name="59"></a>59</td><td></td><td></td><td></td><td></td><td class="s">this is a subclass.</td></tr>
+<tr><td class="h"><a name="60"></a>60</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="61"></a>61</td><td></td><td></td><td></td><td></td><td class="s">The methods listed here are the remaining few methods that are truly</td></tr>
+<tr><td class="h"><a name="62"></a>62</td><td></td><td></td><td></td><td></td><td class="s">Document-specific.</td></tr>
+<tr><td class="h"><a name="63"></a>63</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="64"></a>64</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="65"></a>65</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="66"></a>66</td><td class="c3">2</td><td class="c2"><span title="Avg 19µs">38µs</span></td><td class="c3">2</td><td class="c3">30µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 25µs (20+5) within PPI::Document::BEGIN@66 which was called:
+# once (20µs+5µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#66">line 66</a></div></div>use strict;<div class="calls"><div class="calls_out"># spent 25µs making 1 call to <a href="PPI-Document-pm-996-line.html#66">PPI::Document::BEGIN@66</a>
+# spent 5µs making 1 call to <a href="strict-pm-3-line.html#34">strict::import</a></div></div></td></tr>
+<tr><td class="h"><a name="67"></a>67</td><td class="c3">2</td><td class="c3"><span title="Avg 16µs">32µs</span></td><td class="c3">1</td><td class="c3">5µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 5µs within PPI::Document::BEGIN@67 which was called:
+# once (5µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#67">line 67</a></div></div>use Carp ();<div class="calls"><div class="calls_out"># spent 5µs making 1 call to <a href="PPI-Document-pm-996-line.html#67">PPI::Document::BEGIN@67</a></div></div></td></tr>
+<tr><td class="h"><a name="68"></a>68</td><td class="c3">2</td><td class="c2"><span title="Avg 20µs">40µs</span></td><td class="c3">1</td><td class="c3">6µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 6µs within PPI::Document::BEGIN@68 which was called:
+# once (6µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#68">line 68</a></div></div>use List::MoreUtils ();<div class="calls"><div class="calls_out"># spent 6µs making 1 call to <a href="PPI-Document-pm-996-line.html#68">PPI::Document::BEGIN@68</a></div></div></td></tr>
+<tr><td class="h"><a name="69"></a>69</td><td class="c3">2</td><td class="c3"><span title="Avg 18µs">35µs</span></td><td class="c3">2</td><td class="c3">120µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 66µs (10+55) within PPI::Document::BEGIN@69 which was called:
+# once (10µs+55µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#69">line 69</a></div></div>use Params::Util qw{_SCALAR0 _ARRAY0 _INSTANCE};<div class="calls"><div class="calls_out"># spent 66µs making 1 call to <a href="PPI-Document-pm-996-line.html#69">PPI::Document::BEGIN@69</a>
+# spent 55µs making 1 call to <a href="Exporter-pm-8-line.html#28">Exporter::import</a></div></div></td></tr>
+<tr><td class="h"><a name="70"></a>70</td><td class="c3">2</td><td class="c3"><span title="Avg 15µs">30µs</span></td><td class="c3">1</td><td class="c3">6µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 6µs within PPI::Document::BEGIN@70 which was called:
+# once (6µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#70">line 70</a></div></div>use Digest::MD5 ();<div class="calls"><div class="calls_out"># spent 6µs making 1 call to <a href="PPI-Document-pm-996-line.html#70">PPI::Document::BEGIN@70</a></div></div></td></tr>
+<tr><td class="h"><a name="71"></a>71</td><td class="c3">2</td><td class="c3"><span title="Avg 14µs">27µs</span></td><td class="c3">1</td><td class="c3">5µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 5µs within PPI::Document::BEGIN@71 which was called:
+# once (5µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#71">line 71</a></div></div>use PPI::Util ();<div class="calls"><div class="calls_out"># spent 5µs making 1 call to <a href="PPI-Document-pm-996-line.html#71">PPI::Document::BEGIN@71</a></div></div></td></tr>
+<tr><td class="h"><a name="72"></a>72</td><td class="c3">2</td><td class="c3"><span title="Avg 14µs">27µs</span></td><td class="c3">1</td><td class="c3">4µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 4µs within PPI::Document::BEGIN@72 which was called:
+# once (4µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#72">line 72</a></div></div>use PPI ();<div class="calls"><div class="calls_out"># spent 4µs making 1 call to <a href="PPI-Document-pm-996-line.html#72">PPI::Document::BEGIN@72</a></div></div></td></tr>
+<tr><td class="h"><a name="73"></a>73</td><td class="c3">2</td><td class="c3"><span title="Avg 14µs">28µs</span></td><td class="c3">1</td><td class="c3">5µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 5µs within PPI::Document::BEGIN@73 which was called:
+# once (5µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#73">line 73</a></div></div>use PPI::Node ();<div class="calls"><div class="calls_out"># spent 5µs making 1 call to <a href="PPI-Document-pm-996-line.html#73">PPI::Document::BEGIN@73</a></div></div></td></tr>
+<tr><td class="h"><a name="74"></a>74</td><td class="c3">2</td><td class="c0"><span title="Avg 82µs">164µs</span></td><td class="c3">1</td><td class="c0">351µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 351µs (257+93) within PPI::Document::BEGIN@74 which was called:
+# once (257µs+93µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#74">line 74</a></div></div>use PPI::Exception::ParserTimeout ();<div class="calls"><div class="calls_out"># spent 351µs making 1 call to <a href="PPI-Document-pm-996-line.html#74">PPI::Document::BEGIN@74</a></div></div></td></tr>
+<tr><td class="h"><a name="75"></a>75</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="76"></a>76</td><td class="c3">2</td><td class="c2"><span title="Avg 22µs">44µs</span></td><td class="c3">2</td><td class="c3">100µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 56µs (12+44) within PPI::Document::BEGIN@76 which was called:
+# once (12µs+44µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#76">line 76</a></div></div>use overload 'bool' => \&PPI::Util::TRUE;<div class="calls"><div class="calls_out"># spent 56µs making 1 call to <a href="PPI-Document-pm-996-line.html#76">PPI::Document::BEGIN@76</a>
+# spent 44µs making 1 call to <a href="overload-pm-29-line.html#30">overload::import</a></div></div></td></tr>
+<tr><td class="h"><a name="77"></a>77</td><td class="c3">2</td><td class="c2"><span title="Avg 19µs">38µs</span></td><td class="c3">2</td><td class="c3">79µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 44µs (10+35) within PPI::Document::BEGIN@77 which was called:
+# once (10µs+35µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#77">line 77</a></div></div>use overload '""' => 'content';<div class="calls"><div class="calls_out"># spent 44µs making 1 call to <a href="PPI-Document-pm-996-line.html#77">PPI::Document::BEGIN@77</a>
+# spent 35µs making 1 call to <a href="overload-pm-29-line.html#30">overload::import</a></div></div></td></tr>
+<tr><td class="h"><a name="78"></a>78</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="79"></a>79</td><td class="c3">2</td><td class="c1"><span title="Avg 31µs">61µs</span></td><td class="c3">2</td><td class="c3">125µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 67µs (10+58) within PPI::Document::BEGIN@79 which was called:
+# once (10µs+58µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#79">line 79</a></div></div>use vars qw{$VERSION @ISA $errstr};<div class="calls"><div class="calls_out"># spent 67µs making 1 call to <a href="PPI-Document-pm-996-line.html#79">PPI::Document::BEGIN@79</a>
+# spent 58µs making 1 call to <a href="vars-pm-6-line.html#10">vars::import</a></div></div></td></tr>
+<tr><td class="h"><a name="80"></a>80</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 14µs within PPI::Document::BEGIN@80 which was called:
+# once (14µs+0s) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#84">line 84</a></div></div>BEGIN {</td></tr>
+<tr><td class="h"><a name="81"></a>81</td><td class="c3">1</td><td class="c3"><span title="Avg 700ns">700ns</span></td><td></td><td></td><td class="s"> $VERSION = '1.215';</td></tr>
+<tr><td class="h"><a name="82"></a>82</td><td class="c3">1</td><td class="c3"><span title="Avg 7µs">7µs</span></td><td></td><td></td><td class="s"> @ISA = 'PPI::Node';</td></tr>
+<tr><td class="h"><a name="83"></a>83</td><td class="c3">1</td><td class="c3"><span title="Avg 7µs">7µs</span></td><td></td><td></td><td class="s"> $errstr = '';</td></tr>
+<tr><td class="h"><a name="84"></a>84</td><td class="c3">1</td><td class="c3"><span title="Avg 31µs">31µs</span></td><td class="c3">1</td><td class="c3">14µs</td><td class="s">}<div class="calls"><div class="calls_out"># spent 14µs making 1 call to <a href="PPI-Document-pm-996-line.html#80">PPI::Document::BEGIN@80</a></div></div></td></tr>
+<tr><td class="h"><a name="85"></a>85</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="86"></a>86</td><td class="c3">2</td><td class="c0"><span title="Avg 68µs">137µs</span></td><td class="c3">1</td><td class="c0">344µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 344µs (264+81) within PPI::Document::BEGIN@86 which was called:
+# once (264µs+81µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#86">line 86</a></div></div>use PPI::Document::Fragment ();<div class="calls"><div class="calls_out"># spent 344µs making 1 call to <a href="PPI-Document-pm-996-line.html#86">PPI::Document::BEGIN@86</a></div></div></td></tr>
+<tr><td class="h"><a name="87"></a>87</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="88"></a>88</td><td></td><td></td><td></td><td></td><td class="s"># Document cache</td></tr>
+<tr><td class="h"><a name="89"></a>89</td><td class="c3">1</td><td class="c3"><span title="Avg 1µs">1µs</span></td><td></td><td></td><td class="s">my $CACHE = undef;</td></tr>
+<tr><td class="h"><a name="90"></a>90</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="91"></a>91</td><td></td><td></td><td></td><td></td><td class="s"># Convenience constants related to constants</td></tr>
+<tr><td class="h"><a name="92"></a>92</td><td class="c3">2</td><td class="c2"><span title="Avg 22µs">44µs</span></td><td class="c3">2</td><td class="c2">158µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 85µs (12+73) within PPI::Document::BEGIN@92 which was called:
+# once (12µs+73µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#92">line 92</a></div></div>use constant LOCATION_LINE => 0;<div class="calls"><div class="calls_out"># spent 85µs making 1 call to <a href="PPI-Document-pm-996-line.html#92">PPI::Document::BEGIN@92</a>
+# spent 73µs making 1 call to <a href="constant-pm-28-line.html#42">constant::import</a></div></div></td></tr>
+<tr><td class="h"><a name="93"></a>93</td><td class="c3">2</td><td class="c2"><span title="Avg 20µs">40µs</span></td><td class="c3">2</td><td class="c3">111µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 61µs (11+50) within PPI::Document::BEGIN@93 which was called:
+# once (11µs+50µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#93">line 93</a></div></div>use constant LOCATION_CHARACTER => 1;<div class="calls"><div class="calls_out"># spent 61µs making 1 call to <a href="PPI-Document-pm-996-line.html#93">PPI::Document::BEGIN@93</a>
+# spent 50µs making 1 call to <a href="constant-pm-28-line.html#42">constant::import</a></div></div></td></tr>
+<tr><td class="h"><a name="94"></a>94</td><td class="c3">2</td><td class="c2"><span title="Avg 19µs">37µs</span></td><td class="c3">2</td><td class="c3">95µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 52µs (9+43) within PPI::Document::BEGIN@94 which was called:
+# once (9µs+43µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#94">line 94</a></div></div>use constant LOCATION_COLUMN => 2;<div class="calls"><div class="calls_out"># spent 52µs making 1 call to <a href="PPI-Document-pm-996-line.html#94">PPI::Document::BEGIN@94</a>
+# spent 43µs making 1 call to <a href="constant-pm-28-line.html#42">constant::import</a></div></div></td></tr>
+<tr><td class="h"><a name="95"></a>95</td><td class="c3">2</td><td class="c2"><span title="Avg 20µs">40µs</span></td><td class="c3">2</td><td class="c3">92µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 51µs (10+41) within PPI::Document::BEGIN@95 which was called:
+# once (10µs+41µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#95">line 95</a></div></div>use constant LOCATION_LOGICAL_LINE => 3;<div class="calls"><div class="calls_out"># spent 51µs making 1 call to <a href="PPI-Document-pm-996-line.html#95">PPI::Document::BEGIN@95</a>
+# spent 41µs making 1 call to <a href="constant-pm-28-line.html#42">constant::import</a></div></div></td></tr>
+<tr><td class="h"><a name="96"></a>96</td><td class="c3">2</td><td class="c0"><span title="Avg 1.58ms">3.17ms</span></td><td class="c3">2</td><td class="c3">100µs</td><td class="s"><div class="calls"><div class="calls_in"># spent 56µs (11+45) within PPI::Document::BEGIN@96 which was called:
+# once (11µs+45µs) by PPI::BEGIN@23 at <a href="PPI-Document-pm-996-line.html#96">line 96</a></div></div>use constant LOCATION_LOGICAL_FILE => 4;<div class="calls"><div class="calls_out"># spent 56µs making 1 call to <a href="PPI-Document-pm-996-line.html#96">PPI::Document::BEGIN@96</a>
+# spent 45µs making 1 call to <a href="constant-pm-28-line.html#42">constant::import</a></div></div></td></tr>
+<tr><td class="h"><a name="97"></a>97</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="102"></a>102</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="103"></a>103</td><td></td><td></td><td></td><td></td><td class="s"># Constructor and Static Methods</td></tr>
+<tr><td class="h"><a name="104"></a>104</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="105"></a>105</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="106"></a>106</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="107"></a>107</td><td></td><td></td><td></td><td></td><td class="s">=head2 new</td></tr>
+<tr><td class="h"><a name="108"></a>108</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="109"></a>109</td><td></td><td></td><td></td><td></td><td class="s"> # Simple construction</td></tr>
+<tr><td class="h"><a name="110"></a>110</td><td></td><td></td><td></td><td></td><td class="s"> $doc = PPI::Document->new( $filename );</td></tr>
+<tr><td class="h"><a name="111"></a>111</td><td></td><td></td><td></td><td></td><td class="s"> $doc = PPI::Document->new( \$source );</td></tr>
+<tr><td class="h"><a name="112"></a>112</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="113"></a>113</td><td></td><td></td><td></td><td></td><td class="s"> # With the readonly attribute set</td></tr>
+<tr><td class="h"><a name="114"></a>114</td><td></td><td></td><td></td><td></td><td class="s"> $doc = PPI::Document->new( $filename,</td></tr>
+<tr><td class="h"><a name="115"></a>115</td><td></td><td></td><td></td><td></td><td class="s"> readonly => 1,</td></tr>
+<tr><td class="h"><a name="116"></a>116</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="117"></a>117</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="118"></a>118</td><td></td><td></td><td></td><td></td><td class="s">The C<new> constructor takes as argument a variety of different sources of</td></tr>
+<tr><td class="h"><a name="119"></a>119</td><td></td><td></td><td></td><td></td><td class="s">Perl code, and creates a single cohesive Perl C<PPI::Document></td></tr>
+<tr><td class="h"><a name="120"></a>120</td><td></td><td></td><td></td><td></td><td class="s">for it.</td></tr>
+<tr><td class="h"><a name="121"></a>121</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="122"></a>122</td><td></td><td></td><td></td><td></td><td class="s">If passed a file name as a normal string, it will attempt to load the</td></tr>
+<tr><td class="h"><a name="123"></a>123</td><td></td><td></td><td></td><td></td><td class="s">document from the file.</td></tr>
+<tr><td class="h"><a name="124"></a>124</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="125"></a>125</td><td></td><td></td><td></td><td></td><td class="s">If passed a reference to a C<SCALAR>, this is taken to be source code and</td></tr>
+<tr><td class="h"><a name="126"></a>126</td><td></td><td></td><td></td><td></td><td class="s">parsed directly to create the document.</td></tr>
+<tr><td class="h"><a name="127"></a>127</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="128"></a>128</td><td></td><td></td><td></td><td></td><td class="s">If passed zero arguments, a "blank" document will be created that contains</td></tr>
+<tr><td class="h"><a name="129"></a>129</td><td></td><td></td><td></td><td></td><td class="s">no content at all.</td></tr>
+<tr><td class="h"><a name="130"></a>130</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="131"></a>131</td><td></td><td></td><td></td><td></td><td class="s">In all cases, the document is considered to be "anonymous" and not tied back</td></tr>
+<tr><td class="h"><a name="132"></a>132</td><td></td><td></td><td></td><td></td><td class="s">to where it was created from. Specifically, if you create a PPI::Document from</td></tr>
+<tr><td class="h"><a name="133"></a>133</td><td></td><td></td><td></td><td></td><td class="s">a filename, the document will B<not> remember where it was created from.</td></tr>
+<tr><td class="h"><a name="134"></a>134</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="135"></a>135</td><td></td><td></td><td></td><td></td><td class="s">The constructor also takes attribute flags.</td></tr>
+<tr><td class="h"><a name="136"></a>136</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="137"></a>137</td><td></td><td></td><td></td><td></td><td class="s">At this time, the only available attribute is the C<readonly> flag.</td></tr>
+<tr><td class="h"><a name="138"></a>138</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="139"></a>139</td><td></td><td></td><td></td><td></td><td class="s">Setting C<readonly> to true will allow various systems to provide</td></tr>
+<tr><td class="h"><a name="140"></a>140</td><td></td><td></td><td></td><td></td><td class="s">additional optimisations and caching. Note that because C<readonly> is an</td></tr>
+<tr><td class="h"><a name="141"></a>141</td><td></td><td></td><td></td><td></td><td class="s">optimisation flag, it is off by default and you will need to explicitly</td></tr>
+<tr><td class="h"><a name="142"></a>142</td><td></td><td></td><td></td><td></td><td class="s">enable it.</td></tr>
+<tr><td class="h"><a name="143"></a>143</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="144"></a>144</td><td></td><td></td><td></td><td></td><td class="s">Returns a C<PPI::Document> object, or C<undef> if parsing fails.</td></tr>
+<tr><td class="h"><a name="145"></a>145</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="146"></a>146</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="147"></a>147</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="148"></a>148</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 8.39ms (316µs+8.08) within PPI::Document::new which was called 16 times, avg 525µs/call:
+# 8 times (189µs+8.20ms) by Parse::Method::Signatures::parse at <a href="Parse-Method-Signatures-pm-911-line.html#128">line 128 of Parse/Method/Signatures.pm</a>, avg 1.05ms/call
+# 8 times (127µs+-127µs) by PPI::Lexer::lex_tokenizer at <a href="PPI-Lexer-pm-1005-line.html#221">line 221 of PPI/Lexer.pm</a>, avg 0s/call</div></div>sub new {</td></tr>
+<tr><td class="h"><a name="149"></a>149</td><td class="c0">16</td><td class="c3"><span title="Avg 169ns">3µs</span></td><td></td><td></td><td class="s"> local $_; # An extra one, just in case</td></tr>
+<tr><td class="h"><a name="150"></a>150</td><td class="c0">16</td><td class="c3"><span title="Avg 688ns">11µs</span></td><td></td><td></td><td class="s"> my $class = ref $_[0] ? ref shift : shift;</td></tr>
+<tr><td class="h"><a name="151"></a>151</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="152"></a>152</td><td class="c0">16</td><td class="c3"><span title="Avg 369ns">6µs</span></td><td></td><td></td><td class="s"> unless ( @_ ) {</td></tr>
+<tr><td class="h"><a name="153"></a>153</td><td class="c0">8</td><td class="c1"><span title="Avg 8µs">63µs</span></td><td class="c0">8</td><td class="c1">229µs</td><td class="s"> my $self = $class->SUPER::new;<div class="calls"><div class="calls_out"> # spent 229µs making 8 calls to <a href="PPI-Node-pm-921-line.html#72">PPI::Node::new</a>, avg 29µs/call</div></div></td></tr>
+<tr><td class="h"><a name="154"></a>154</td><td class="c0">8</td><td class="c3"><span title="Avg 2µs">12µs</span></td><td></td><td></td><td class="s"> $self->{readonly} = ! 1;</td></tr>
+<tr><td class="h"><a name="155"></a>155</td><td class="c0">8</td><td class="c3"><span title="Avg 700ns">6µs</span></td><td></td><td></td><td class="s"> $self->{tab_width} = 1;</td></tr>
+<tr><td class="h"><a name="156"></a>156</td><td class="c0">8</td><td class="c3"><span title="Avg 3µs">26µs</span></td><td></td><td></td><td class="s"> return $self;</td></tr>
+<tr><td class="h"><a name="157"></a>157</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="158"></a>158</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="159"></a>159</td><td></td><td></td><td></td><td></td><td class="s"> # Check constructor attributes</td></tr>
+<tr><td class="h"><a name="160"></a>160</td><td class="c0">8</td><td class="c3"><span title="Avg 325ns">3µs</span></td><td></td><td></td><td class="s"> my $source = shift;</td></tr>
+<tr><td class="h"><a name="161"></a>161</td><td class="c0">8</td><td class="c3"><span title="Avg 1µs">8µs</span></td><td></td><td></td><td class="s"> my %attr = @_;</td></tr>
+<tr><td class="h"><a name="162"></a>162</td><td class="c0">8</td><td class="c3"><span title="Avg 600ns">5µs</span></td><td></td><td></td><td class="s"> my $timeout = delete $attr{timeout};</td></tr>
+<tr><td class="h"><a name="163"></a>163</td><td class="c0">8</td><td class="c3"><span title="Avg 375ns">3µs</span></td><td></td><td></td><td class="s"> if ( $timeout and ! PPI::Util::HAVE_ALARM() ) {</td></tr>
+<tr><td class="h"><a name="164"></a>164</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak("This platform does not support PPI parser timeouts");</td></tr>
+<tr><td class="h"><a name="165"></a>165</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="166"></a>166</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="167"></a>167</td><td></td><td></td><td></td><td></td><td class="s"> # Check the data source</td></tr>
+<tr><td class="h"><a name="168"></a>168</td><td class="c0">8</td><td class="c1"><span title="Avg 6µs">47µs</span></td><td class="c0">8</td><td class="c3">15µs</td><td class="s"> if ( ! defined $source ) {<div class="calls"><div class="calls_out"> # spent 15µs making 8 calls to <a href="Params-Util-pm-70-line.html#Params__Util___SCALAR0">Params::Util::_SCALAR0</a>, avg 2µs/call</div></div></td></tr>
+<tr><td class="h"><a name="169"></a>169</td><td></td><td></td><td></td><td></td><td class="s"> $class->_error("An undefined value was passed to PPI::Document::new");</td></tr>
+<tr><td class="h"><a name="170"></a>170</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="171"></a>171</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( ! ref $source ) {</td></tr>
+<tr><td class="h"><a name="172"></a>172</td><td></td><td></td><td></td><td></td><td class="s"> # Catch people using the old API</td></tr>
+<tr><td class="h"><a name="173"></a>173</td><td></td><td></td><td></td><td></td><td class="s"> if ( $source =~ /(?:\012|\015)/ ) {</td></tr>
+<tr><td class="h"><a name="174"></a>174</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak("API CHANGE: Source code should only be passed to PPI::Document->new as a SCALAR reference");</td></tr>
+<tr><td class="h"><a name="175"></a>175</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="176"></a>176</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="177"></a>177</td><td></td><td></td><td></td><td></td><td class="s"> # When loading from a filename, use the caching layer if it exists.</td></tr>
+<tr><td class="h"><a name="178"></a>178</td><td></td><td></td><td></td><td></td><td class="s"> if ( $CACHE ) {</td></tr>
+<tr><td class="h"><a name="179"></a>179</td><td></td><td></td><td></td><td></td><td class="s"> my $file = $source;</td></tr>
+<tr><td class="h"><a name="180"></a>180</td><td></td><td></td><td></td><td></td><td class="s"> my $source = PPI::Util::_slurp( $file );</td></tr>
+<tr><td class="h"><a name="181"></a>181</td><td></td><td></td><td></td><td></td><td class="s"> unless ( ref $source ) {</td></tr>
+<tr><td class="h"><a name="182"></a>182</td><td></td><td></td><td></td><td></td><td class="s"> # Errors returned as plain string</td></tr>
+<tr><td class="h"><a name="183"></a>183</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_error($source);</td></tr>
+<tr><td class="h"><a name="184"></a>184</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="185"></a>185</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="186"></a>186</td><td></td><td></td><td></td><td></td><td class="s"> # Retrieve the document from the cache</td></tr>
+<tr><td class="h"><a name="187"></a>187</td><td></td><td></td><td></td><td></td><td class="s"> my $document = $CACHE->get_document($source);</td></tr>
+<tr><td class="h"><a name="188"></a>188</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="189"></a>189</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="190"></a>190</td><td></td><td></td><td></td><td></td><td class="s"> if ( $timeout ) {</td></tr>
+<tr><td class="h"><a name="191"></a>191</td><td></td><td></td><td></td><td></td><td class="s"> eval {</td></tr>
+<tr><td class="h"><a name="192"></a>192</td><td></td><td></td><td></td><td></td><td class="s"> local $SIG{ALRM} = sub { die "alarm\n" };</td></tr>
+<tr><td class="h"><a name="193"></a>193</td><td></td><td></td><td></td><td></td><td class="s"> alarm( $timeout );</td></tr>
+<tr><td class="h"><a name="194"></a>194</td><td></td><td></td><td></td><td></td><td class="s"> $document = PPI::Lexer->lex_source( $$source );</td></tr>
+<tr><td class="h"><a name="195"></a>195</td><td></td><td></td><td></td><td></td><td class="s"> alarm( 0 );</td></tr>
+<tr><td class="h"><a name="196"></a>196</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="197"></a>197</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="198"></a>198</td><td></td><td></td><td></td><td></td><td class="s"> $document = PPI::Lexer->lex_source( $$source );</td></tr>
+<tr><td class="h"><a name="199"></a>199</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="200"></a>200</td><td></td><td></td><td></td><td></td><td class="s"> if ( $document ) {</td></tr>
+<tr><td class="h"><a name="201"></a>201</td><td></td><td></td><td></td><td></td><td class="s"> # Save in the cache</td></tr>
+<tr><td class="h"><a name="202"></a>202</td><td></td><td></td><td></td><td></td><td class="s"> $CACHE->store_document( $document );</td></tr>
+<tr><td class="h"><a name="203"></a>203</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr );</td></tr>
+<tr><td class="h"><a name="204"></a>204</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="205"></a>205</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="206"></a>206</td><td></td><td></td><td></td><td></td><td class="s"> if ( $timeout ) {</td></tr>
+<tr><td class="h"><a name="207"></a>207</td><td></td><td></td><td></td><td></td><td class="s"> eval {</td></tr>
+<tr><td class="h"><a name="208"></a>208</td><td></td><td></td><td></td><td></td><td class="s"> local $SIG{ALRM} = sub { die "alarm\n" };</td></tr>
+<tr><td class="h"><a name="209"></a>209</td><td></td><td></td><td></td><td></td><td class="s"> alarm( $timeout );</td></tr>
+<tr><td class="h"><a name="210"></a>210</td><td></td><td></td><td></td><td></td><td class="s"> my $document = PPI::Lexer->lex_file( $source );</td></tr>
+<tr><td class="h"><a name="211"></a>211</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="212"></a>212</td><td></td><td></td><td></td><td></td><td class="s"> alarm( 0 );</td></tr>
+<tr><td class="h"><a name="213"></a>213</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="214"></a>214</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="215"></a>215</td><td></td><td></td><td></td><td></td><td class="s"> my $document = PPI::Lexer->lex_file( $source );</td></tr>
+<tr><td class="h"><a name="216"></a>216</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="217"></a>217</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="218"></a>218</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="219"></a>219</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="220"></a>220</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( _SCALAR0($source) ) {</td></tr>
+<tr><td class="h"><a name="221"></a>221</td><td class="c0">8</td><td class="c3"><span title="Avg 338ns">3µs</span></td><td></td><td></td><td class="s"> if ( $timeout ) {</td></tr>
+<tr><td class="h"><a name="222"></a>222</td><td></td><td></td><td></td><td></td><td class="s"> eval {</td></tr>
+<tr><td class="h"><a name="223"></a>223</td><td></td><td></td><td></td><td></td><td class="s"> local $SIG{ALRM} = sub { die "alarm\n" };</td></tr>
+<tr><td class="h"><a name="224"></a>224</td><td></td><td></td><td></td><td></td><td class="s"> alarm( $timeout );</td></tr>
+<tr><td class="h"><a name="225"></a>225</td><td></td><td></td><td></td><td></td><td class="s"> my $document = PPI::Lexer->lex_source( $$source );</td></tr>
+<tr><td class="h"><a name="226"></a>226</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="227"></a>227</td><td></td><td></td><td></td><td></td><td class="s"> alarm( 0 );</td></tr>
+<tr><td class="h"><a name="228"></a>228</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="229"></a>229</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="230"></a>230</td><td class="c0">8</td><td class="c3"><span title="Avg 4µs">34µs</span></td><td class="c0">8</td><td class="c0">8.15ms</td><td class="s"> my $document = PPI::Lexer->lex_source( $$source );<div class="calls"><div class="calls_out"> # spent 8.15ms making 8 calls to <a href="PPI-Lexer-pm-1005-line.html#182">PPI::Lexer::lex_source</a>, avg 1.02ms/call</div></div></td></tr>
+<tr><td class="h"><a name="231"></a>231</td><td class="c0">8</td><td class="c0"><span title="Avg 9µs">74µs</span></td><td class="c0">16</td><td class="c3">40µs</td><td class="s"> return $class->_setattr( $document, %attr ) if $document;<div class="calls"><div class="calls_out"> # spent 34µs making 8 calls to <a href="PPI-Document-pm-996-line.html#275">PPI::Document::_setattr</a>, avg 4µs/call
+ # spent 5µs making 8 calls to <a href="PPI-Util-pm-915-line.html#PPI__Util__TRUE">PPI::Util::TRUE</a>, avg 663ns/call</div></div></td></tr>
+<tr><td class="h"><a name="232"></a>232</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="233"></a>233</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="234"></a>234</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( _ARRAY0($source) ) {</td></tr>
+<tr><td class="h"><a name="235"></a>235</td><td></td><td></td><td></td><td></td><td class="s"> $source = join '', map { "$_\n" } @$source;</td></tr>
+<tr><td class="h"><a name="236"></a>236</td><td></td><td></td><td></td><td></td><td class="s"> if ( $timeout ) {</td></tr>
+<tr><td class="h"><a name="237"></a>237</td><td></td><td></td><td></td><td></td><td class="s"> eval {</td></tr>
+<tr><td class="h"><a name="238"></a>238</td><td></td><td></td><td></td><td></td><td class="s"> local $SIG{ALRM} = sub { die "alarm\n" };</td></tr>
+<tr><td class="h"><a name="239"></a>239</td><td></td><td></td><td></td><td></td><td class="s"> alarm( $timeout );</td></tr>
+<tr><td class="h"><a name="240"></a>240</td><td></td><td></td><td></td><td></td><td class="s"> my $document = PPI::Lexer->lex_source( $source );</td></tr>
+<tr><td class="h"><a name="241"></a>241</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="242"></a>242</td><td></td><td></td><td></td><td></td><td class="s"> alarm( 0 );</td></tr>
+<tr><td class="h"><a name="243"></a>243</td><td></td><td></td><td></td><td></td><td class="s"> };</td></tr>
+<tr><td class="h"><a name="244"></a>244</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="245"></a>245</td><td></td><td></td><td></td><td></td><td class="s"> my $document = PPI::Lexer->lex_source( $source );</td></tr>
+<tr><td class="h"><a name="246"></a>246</td><td></td><td></td><td></td><td></td><td class="s"> return $class->_setattr( $document, %attr ) if $document;</td></tr>
+<tr><td class="h"><a name="247"></a>247</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="248"></a>248</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="249"></a>249</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="250"></a>250</td><td></td><td></td><td></td><td></td><td class="s"> $class->_error("Unknown object or reference was passed to PPI::Document::new");</td></tr>
+<tr><td class="h"><a name="251"></a>251</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="252"></a>252</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="253"></a>253</td><td></td><td></td><td></td><td></td><td class="s"> # Pull and store the error from the lexer</td></tr>
+<tr><td class="h"><a name="254"></a>254</td><td></td><td></td><td></td><td></td><td class="s"> my $errstr;</td></tr>
+<tr><td class="h"><a name="255"></a>255</td><td></td><td></td><td></td><td></td><td class="s"> if ( _INSTANCE($@, 'PPI::Exception::Timeout') ) {</td></tr>
+<tr><td class="h"><a name="256"></a>256</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = 'Timed out while parsing document';</td></tr>
+<tr><td class="h"><a name="257"></a>257</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( _INSTANCE($@, 'PPI::Exception') ) {</td></tr>
+<tr><td class="h"><a name="258"></a>258</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = $@->message;</td></tr>
+<tr><td class="h"><a name="259"></a>259</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( $@ ) {</td></tr>
+<tr><td class="h"><a name="260"></a>260</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = $@;</td></tr>
+<tr><td class="h"><a name="261"></a>261</td><td></td><td></td><td></td><td></td><td class="s"> $errstr =~ s/\sat line\s.+$//;</td></tr>
+<tr><td class="h"><a name="262"></a>262</td><td></td><td></td><td></td><td></td><td class="s"> } elsif ( PPI::Lexer->errstr ) {</td></tr>
+<tr><td class="h"><a name="263"></a>263</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = PPI::Lexer->errstr;</td></tr>
+<tr><td class="h"><a name="264"></a>264</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="265"></a>265</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = "Unknown error parsing Perl document";</td></tr>
+<tr><td class="h"><a name="266"></a>266</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="267"></a>267</td><td></td><td></td><td></td><td></td><td class="s"> PPI::Lexer->_clear;</td></tr>
+<tr><td class="h"><a name="268"></a>268</td><td></td><td></td><td></td><td></td><td class="s"> $class->_error( $errstr );</td></tr>
+<tr><td class="h"><a name="269"></a>269</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="270"></a>270</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="271"></a>271</td><td></td><td></td><td></td><td></td><td class="s">sub load {</td></tr>
+<tr><td class="h"><a name="272"></a>272</td><td></td><td></td><td></td><td></td><td class="s"> Carp::croak("API CHANGE: File names should now be passed to PPI::Document->new to load a file");</td></tr>
+<tr><td class="h"><a name="273"></a>273</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="274"></a>274</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="275"></a>275</td><td></td><td></td><td></td><td></td><td class="s"><div class="calls"><div class="calls_in"># spent 34µs within PPI::Document::_setattr which was called 8 times, avg 4µs/call:
+# 8 times (34µs+0s) by PPI::Document::new at <a href="PPI-Document-pm-996-line.html#231">line 231</a>, avg 4µs/call</div></div>sub _setattr {</td></tr>
+<tr><td class="h"><a name="276"></a>276</td><td class="c0">8</td><td class="c3"><span title="Avg 1µs">9µs</span></td><td></td><td></td><td class="s"> my ($class, $document, %attr) = @_;</td></tr>
+<tr><td class="h"><a name="277"></a>277</td><td class="c0">8</td><td class="c3"><span title="Avg 1µs">9µs</span></td><td></td><td></td><td class="s"> $document->{readonly} = !! $attr{readonly};</td></tr>
+<tr><td class="h"><a name="278"></a>278</td><td class="c0">8</td><td class="c3"><span title="Avg 2µs">19µs</span></td><td></td><td></td><td class="s"> return $document;</td></tr>
+<tr><td class="h"><a name="279"></a>279</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="280"></a>280</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="281"></a>281</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="282"></a>282</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="283"></a>283</td><td></td><td></td><td></td><td></td><td class="s">=head2 set_cache $cache</td></tr>
+<tr><td class="h"><a name="284"></a>284</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="285"></a>285</td><td></td><td></td><td></td><td></td><td class="s">As of L<PPI> 1.100, C<PPI::Document> supports parser caching.</td></tr>
+<tr><td class="h"><a name="286"></a>286</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="287"></a>287</td><td></td><td></td><td></td><td></td><td class="s">The default cache class L<PPI::Cache> provides a L<Storable>-based</td></tr>
+<tr><td class="h"><a name="288"></a>288</td><td></td><td></td><td></td><td></td><td class="s">caching or the parsed document based on the MD5 hash of the document as</td></tr>
+<tr><td class="h"><a name="289"></a>289</td><td></td><td></td><td></td><td></td><td class="s">a string.</td></tr>
+<tr><td class="h"><a name="290"></a>290</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="291"></a>291</td><td></td><td></td><td></td><td></td><td class="s">The static C<set_cache> method is used to set the cache object for</td></tr>
+<tr><td class="h"><a name="292"></a>292</td><td></td><td></td><td></td><td></td><td class="s">C<PPI::Document> to use when loading documents. It takes as argument</td></tr>
+<tr><td class="h"><a name="293"></a>293</td><td></td><td></td><td></td><td></td><td class="s">a L<PPI::Cache> object (or something that C<isa> the same).</td></tr>
+<tr><td class="h"><a name="294"></a>294</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="295"></a>295</td><td></td><td></td><td></td><td></td><td class="s">If passed C<undef>, this method will stop using the current cache, if any.</td></tr>
+<tr><td class="h"><a name="296"></a>296</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="297"></a>297</td><td></td><td></td><td></td><td></td><td class="s">For more information on caching, see L<PPI::Cache>.</td></tr>
+<tr><td class="h"><a name="298"></a>298</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="299"></a>299</td><td></td><td></td><td></td><td></td><td class="s">Returns true on success, or C<undef> if not passed a valid param.</td></tr>
+<tr><td class="h"><a name="300"></a>300</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="301"></a>301</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="302"></a>302</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="303"></a>303</td><td></td><td></td><td></td><td></td><td class="s">sub set_cache {</td></tr>
+<tr><td class="h"><a name="304"></a>304</td><td></td><td></td><td></td><td></td><td class="s"> my $class = ref $_[0] ? ref shift : shift;</td></tr>
+<tr><td class="h"><a name="305"></a>305</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="306"></a>306</td><td></td><td></td><td></td><td></td><td class="s"> if ( defined $_[0] ) {</td></tr>
+<tr><td class="h"><a name="307"></a>307</td><td></td><td></td><td></td><td></td><td class="s"> # Enable the cache</td></tr>
+<tr><td class="h"><a name="308"></a>308</td><td></td><td></td><td></td><td></td><td class="s"> my $object = _INSTANCE(shift, 'PPI::Cache') or return undef;</td></tr>
+<tr><td class="h"><a name="309"></a>309</td><td></td><td></td><td></td><td></td><td class="s"> $CACHE = $object;</td></tr>
+<tr><td class="h"><a name="310"></a>310</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="311"></a>311</td><td></td><td></td><td></td><td></td><td class="s"> # Disable the cache</td></tr>
+<tr><td class="h"><a name="312"></a>312</td><td></td><td></td><td></td><td></td><td class="s"> $CACHE = undef;</td></tr>
+<tr><td class="h"><a name="313"></a>313</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="314"></a>314</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="315"></a>315</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
+<tr><td class="h"><a name="316"></a>316</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="317"></a>317</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="318"></a>318</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="319"></a>319</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="320"></a>320</td><td></td><td></td><td></td><td></td><td class="s">=head2 get_cache</td></tr>
+<tr><td class="h"><a name="321"></a>321</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="322"></a>322</td><td></td><td></td><td></td><td></td><td class="s">If a document cache is currently set, the C<get_cache> method will</td></tr>
+<tr><td class="h"><a name="323"></a>323</td><td></td><td></td><td></td><td></td><td class="s">return it.</td></tr>
+<tr><td class="h"><a name="324"></a>324</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="325"></a>325</td><td></td><td></td><td></td><td></td><td class="s">Returns a L<PPI::Cache> object, or C<undef> if there is no cache</td></tr>
+<tr><td class="h"><a name="326"></a>326</td><td></td><td></td><td></td><td></td><td class="s">currently set for C<PPI::Document>.</td></tr>
+<tr><td class="h"><a name="327"></a>327</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="328"></a>328</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="329"></a>329</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="330"></a>330</td><td></td><td></td><td></td><td></td><td class="s">sub get_cache {</td></tr>
+<tr><td class="h"><a name="331"></a>331</td><td></td><td></td><td></td><td></td><td class="s"> $CACHE; </td></tr>
+<tr><td class="h"><a name="332"></a>332</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="333"></a>333</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="338"></a>338</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="339"></a>339</td><td></td><td></td><td></td><td></td><td class="s"># PPI::Document Instance Methods</td></tr>
+<tr><td class="h"><a name="340"></a>340</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="341"></a>341</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="342"></a>342</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="343"></a>343</td><td></td><td></td><td></td><td></td><td class="s">=head2 readonly</td></tr>
+<tr><td class="h"><a name="344"></a>344</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="345"></a>345</td><td></td><td></td><td></td><td></td><td class="s">The C<readonly> attribute indicates if the document is intended to be</td></tr>
+<tr><td class="h"><a name="346"></a>346</td><td></td><td></td><td></td><td></td><td class="s">read-only, and will never be modified. This is an advisory flag, that</td></tr>
+<tr><td class="h"><a name="347"></a>347</td><td></td><td></td><td></td><td></td><td class="s">writers of L<PPI>-related systems may or may not use to enable</td></tr>
+<tr><td class="h"><a name="348"></a>348</td><td></td><td></td><td></td><td></td><td class="s">optimisations and caches for your document.</td></tr>
+<tr><td class="h"><a name="349"></a>349</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="350"></a>350</td><td></td><td></td><td></td><td></td><td class="s">Returns true if the document is read-only or false if not.</td></tr>
+<tr><td class="h"><a name="351"></a>351</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="352"></a>352</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="353"></a>353</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="354"></a>354</td><td></td><td></td><td></td><td></td><td class="s">sub readonly {</td></tr>
+<tr><td class="h"><a name="355"></a>355</td><td></td><td></td><td></td><td></td><td class="s"> $_[0]->{readonly};</td></tr>
+<tr><td class="h"><a name="356"></a>356</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="357"></a>357</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="358"></a>358</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="359"></a>359</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="360"></a>360</td><td></td><td></td><td></td><td></td><td class="s">=head2 tab_width [ $width ]</td></tr>
+<tr><td class="h"><a name="361"></a>361</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="362"></a>362</td><td></td><td></td><td></td><td></td><td class="s">In order to handle support for C<location> correctly, C<Documents></td></tr>
+<tr><td class="h"><a name="363"></a>363</td><td></td><td></td><td></td><td></td><td class="s">need to understand the concept of tabs and tab width. The C<tab_width></td></tr>
+<tr><td class="h"><a name="364"></a>364</td><td></td><td></td><td></td><td></td><td class="s">method is used to get and set the size of the tab width.</td></tr>
+<tr><td class="h"><a name="365"></a>365</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="366"></a>366</td><td></td><td></td><td></td><td></td><td class="s">At the present time, PPI only supports "naive" (width 1) tabs, but we do</td></tr>
+<tr><td class="h"><a name="367"></a>367</td><td></td><td></td><td></td><td></td><td class="s">plan on supporting arbitrary, default and auto-sensing tab widths later.</td></tr>
+<tr><td class="h"><a name="368"></a>368</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="369"></a>369</td><td></td><td></td><td></td><td></td><td class="s">Returns the tab width as an integer, or C<die>s if you attempt to set the</td></tr>
+<tr><td class="h"><a name="370"></a>370</td><td></td><td></td><td></td><td></td><td class="s">tab width.</td></tr>
+<tr><td class="h"><a name="371"></a>371</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="372"></a>372</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="373"></a>373</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="374"></a>374</td><td></td><td></td><td></td><td></td><td class="s">sub tab_width {</td></tr>
+<tr><td class="h"><a name="375"></a>375</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="376"></a>376</td><td></td><td></td><td></td><td></td><td class="s"> return $self->{tab_width} unless @_;</td></tr>
+<tr><td class="h"><a name="377"></a>377</td><td></td><td></td><td></td><td></td><td class="s"> $self->{tab_width} = shift;</td></tr>
+<tr><td class="h"><a name="378"></a>378</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="379"></a>379</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="380"></a>380</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="381"></a>381</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="382"></a>382</td><td></td><td></td><td></td><td></td><td class="s">=head2 save</td></tr>
+<tr><td class="h"><a name="383"></a>383</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="384"></a>384</td><td></td><td></td><td></td><td></td><td class="s"> $document->save( $file )</td></tr>
+<tr><td class="h"><a name="385"></a>385</td><td></td><td></td><td></td><td></td><td class="s"> </td></tr>
+<tr><td class="h"><a name="386"></a>386</td><td></td><td></td><td></td><td></td><td class="s">The C<save> method serializes the C<PPI::Document> object and saves the</td></tr>
+<tr><td class="h"><a name="387"></a>387</td><td></td><td></td><td></td><td></td><td class="s">resulting Perl document to a file. Returns C<undef> on failure to open</td></tr>
+<tr><td class="h"><a name="388"></a>388</td><td></td><td></td><td></td><td></td><td class="s">or write to the file.</td></tr>
+<tr><td class="h"><a name="389"></a>389</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="390"></a>390</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="391"></a>391</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="392"></a>392</td><td></td><td></td><td></td><td></td><td class="s">sub save {</td></tr>
+<tr><td class="h"><a name="393"></a>393</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="394"></a>394</td><td></td><td></td><td></td><td></td><td class="s"> local *FILE;</td></tr>
+<tr><td class="h"><a name="395"></a>395</td><td></td><td></td><td></td><td></td><td class="s"> open( FILE, '>', $_[0] ) or return undef;</td></tr>
+<tr><td class="h"><a name="396"></a>396</td><td></td><td></td><td></td><td></td><td class="s"> print FILE $self->serialize or return undef;</td></tr>
+<tr><td class="h"><a name="397"></a>397</td><td></td><td></td><td></td><td></td><td class="s"> close FILE or return undef;</td></tr>
+<tr><td class="h"><a name="398"></a>398</td><td></td><td></td><td></td><td></td><td class="s"> return 1;</td></tr>
+<tr><td class="h"><a name="399"></a>399</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="400"></a>400</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="401"></a>401</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="402"></a>402</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="403"></a>403</td><td></td><td></td><td></td><td></td><td class="s">=head2 serialize</td></tr>
+<tr><td class="h"><a name="404"></a>404</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="405"></a>405</td><td></td><td></td><td></td><td></td><td class="s">Unlike the C<content> method, which shows only the immediate content</td></tr>
+<tr><td class="h"><a name="406"></a>406</td><td></td><td></td><td></td><td></td><td class="s">within an element, Document objects also have to be able to be written</td></tr>
+<tr><td class="h"><a name="407"></a>407</td><td></td><td></td><td></td><td></td><td class="s">out to a file again.</td></tr>
+<tr><td class="h"><a name="408"></a>408</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="409"></a>409</td><td></td><td></td><td></td><td></td><td class="s">When doing this we need to take into account some additional factors.</td></tr>
+<tr><td class="h"><a name="410"></a>410</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="411"></a>411</td><td></td><td></td><td></td><td></td><td class="s">Primarily, we need to handle here-docs correctly, so that are written</td></tr>
+<tr><td class="h"><a name="412"></a>412</td><td></td><td></td><td></td><td></td><td class="s">to the file in the expected place.</td></tr>
+<tr><td class="h"><a name="413"></a>413</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="414"></a>414</td><td></td><td></td><td></td><td></td><td class="s">The C<serialize> method generates the actual file content for a given</td></tr>
+<tr><td class="h"><a name="415"></a>415</td><td></td><td></td><td></td><td></td><td class="s">Document object. The resulting string can be written straight to a file.</td></tr>
+<tr><td class="h"><a name="416"></a>416</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="417"></a>417</td><td></td><td></td><td></td><td></td><td class="s">Returns the serialized document as a string.</td></tr>
+<tr><td class="h"><a name="418"></a>418</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="419"></a>419</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="420"></a>420</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="421"></a>421</td><td></td><td></td><td></td><td></td><td class="s">sub serialize {</td></tr>
+<tr><td class="h"><a name="422"></a>422</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="423"></a>423</td><td></td><td></td><td></td><td></td><td class="s"> my @tokens = $self->tokens;</td></tr>
+<tr><td class="h"><a name="424"></a>424</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="425"></a>425</td><td></td><td></td><td></td><td></td><td class="s"> # The here-doc content buffer</td></tr>
+<tr><td class="h"><a name="426"></a>426</td><td></td><td></td><td></td><td></td><td class="s"> my $heredoc = '';</td></tr>
+<tr><td class="h"><a name="427"></a>427</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="428"></a>428</td><td></td><td></td><td></td><td></td><td class="s"> # Start the main loop</td></tr>
+<tr><td class="h"><a name="429"></a>429</td><td></td><td></td><td></td><td></td><td class="s"> my $output = '';</td></tr>
+<tr><td class="h"><a name="430"></a>430</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $i ( 0 .. $#tokens ) {</td></tr>
+<tr><td class="h"><a name="431"></a>431</td><td></td><td></td><td></td><td></td><td class="s"> my $Token = $tokens[$i];</td></tr>
+<tr><td class="h"><a name="432"></a>432</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="433"></a>433</td><td></td><td></td><td></td><td></td><td class="s"> # Handle normal tokens</td></tr>
+<tr><td class="h"><a name="434"></a>434</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $Token->isa('PPI::Token::HereDoc') ) {</td></tr>
+<tr><td class="h"><a name="435"></a>435</td><td></td><td></td><td></td><td></td><td class="s"> my $content = $Token->content;</td></tr>
+<tr><td class="h"><a name="436"></a>436</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="437"></a>437</td><td></td><td></td><td></td><td></td><td class="s"> # Handle the trivial cases</td></tr>
+<tr><td class="h"><a name="438"></a>438</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $heredoc ne '' and $content =~ /\n/ ) {</td></tr>
+<tr><td class="h"><a name="439"></a>439</td><td></td><td></td><td></td><td></td><td class="s"> $output .= $content;</td></tr>
+<tr><td class="h"><a name="440"></a>440</td><td></td><td></td><td></td><td></td><td class="s"> next;</td></tr>
+<tr><td class="h"><a name="441"></a>441</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="442"></a>442</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="443"></a>443</td><td></td><td></td><td></td><td></td><td class="s"> # We have pending here-doc content that needs to be</td></tr>
+<tr><td class="h"><a name="444"></a>444</td><td></td><td></td><td></td><td></td><td class="s"> # inserted just after the first newline in the content.</td></tr>
+<tr><td class="h"><a name="445"></a>445</td><td></td><td></td><td></td><td></td><td class="s"> if ( $content eq "\n" ) {</td></tr>
+<tr><td class="h"><a name="446"></a>446</td><td></td><td></td><td></td><td></td><td class="s"> # Shortcut the most common case for speed</td></tr>
+<tr><td class="h"><a name="447"></a>447</td><td></td><td></td><td></td><td></td><td class="s"> $output .= $content . $heredoc;</td></tr>
+<tr><td class="h"><a name="448"></a>448</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="449"></a>449</td><td></td><td></td><td></td><td></td><td class="s"> # Slower and more general version</td></tr>
+<tr><td class="h"><a name="450"></a>450</td><td></td><td></td><td></td><td></td><td class="s"> $content =~ s/\n/\n$heredoc/;</td></tr>
+<tr><td class="h"><a name="451"></a>451</td><td></td><td></td><td></td><td></td><td class="s"> $output .= $content;</td></tr>
+<tr><td class="h"><a name="452"></a>452</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="453"></a>453</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="454"></a>454</td><td></td><td></td><td></td><td></td><td class="s"> $heredoc = '';</td></tr>
+<tr><td class="h"><a name="455"></a>455</td><td></td><td></td><td></td><td></td><td class="s"> next;</td></tr>
+<tr><td class="h"><a name="456"></a>456</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="457"></a>457</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="458"></a>458</td><td></td><td></td><td></td><td></td><td class="s"> # This token is a HereDoc.</td></tr>
+<tr><td class="h"><a name="459"></a>459</td><td></td><td></td><td></td><td></td><td class="s"> # First, add the token content as normal, which in this</td></tr>
+<tr><td class="h"><a name="460"></a>460</td><td></td><td></td><td></td><td></td><td class="s"> # case will definately not contain a newline.</td></tr>
+<tr><td class="h"><a name="461"></a>461</td><td></td><td></td><td></td><td></td><td class="s"> $output .= $Token->content;</td></tr>
+<tr><td class="h"><a name="462"></a>462</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="463"></a>463</td><td></td><td></td><td></td><td></td><td class="s"> # Now add all of the here-doc content to the heredoc buffer.</td></tr>
+<tr><td class="h"><a name="464"></a>464</td><td></td><td></td><td></td><td></td><td class="s"> foreach my $line ( $Token->heredoc ) {</td></tr>
+<tr><td class="h"><a name="465"></a>465</td><td></td><td></td><td></td><td></td><td class="s"> $heredoc .= $line;</td></tr>
+<tr><td class="h"><a name="466"></a>466</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="467"></a>467</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="468"></a>468</td><td></td><td></td><td></td><td></td><td class="s"> if ( $Token->{_damaged} ) {</td></tr>
+<tr><td class="h"><a name="469"></a>469</td><td></td><td></td><td></td><td></td><td class="s"> # Special Case:</td></tr>
+<tr><td class="h"><a name="470"></a>470</td><td></td><td></td><td></td><td></td><td class="s"> # There are a couple of warning/bug situations</td></tr>
+<tr><td class="h"><a name="471"></a>471</td><td></td><td></td><td></td><td></td><td class="s"> # that can occur when a HereDoc content was read in</td></tr>
+<tr><td class="h"><a name="472"></a>472</td><td></td><td></td><td></td><td></td><td class="s"> # from the end of a file that we silently allow.</td></tr>
+<tr><td class="h"><a name="473"></a>473</td><td></td><td></td><td></td><td></td><td class="s"> #</td></tr>
+<tr><td class="h"><a name="474"></a>474</td><td></td><td></td><td></td><td></td><td class="s"> # When writing back out to the file we have to</td></tr>
+<tr><td class="h"><a name="475"></a>475</td><td></td><td></td><td></td><td></td><td class="s"> # auto-repair these problems if we arn't going back</td></tr>
+<tr><td class="h"><a name="476"></a>476</td><td></td><td></td><td></td><td></td><td class="s"> # on to the end of the file.</td></tr>
+<tr><td class="h"><a name="477"></a>477</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="478"></a>478</td><td></td><td></td><td></td><td></td><td class="s"> # When calculating $last_line, ignore the final token if</td></tr>
+<tr><td class="h"><a name="479"></a>479</td><td></td><td></td><td></td><td></td><td class="s"> # and only if it has a single newline at the end.</td></tr>
+<tr><td class="h"><a name="480"></a>480</td><td></td><td></td><td></td><td></td><td class="s"> my $last_index = $#tokens;</td></tr>
+<tr><td class="h"><a name="481"></a>481</td><td></td><td></td><td></td><td></td><td class="s"> if ( $tokens[$last_index]->{content} =~ /^[^\n]*\n$/ ) {</td></tr>
+<tr><td class="h"><a name="482"></a>482</td><td></td><td></td><td></td><td></td><td class="s"> $last_index--;</td></tr>
+<tr><td class="h"><a name="483"></a>483</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="484"></a>484</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="485"></a>485</td><td></td><td></td><td></td><td></td><td class="s"> # This is a two part test.</td></tr>
+<tr><td class="h"><a name="486"></a>486</td><td></td><td></td><td></td><td></td><td class="s"> # First, are we on the last line of the</td></tr>
+<tr><td class="h"><a name="487"></a>487</td><td></td><td></td><td></td><td></td><td class="s"> # content part of the file</td></tr>
+<tr><td class="h"><a name="488"></a>488</td><td></td><td></td><td></td><td></td><td class="s"> my $last_line = List::MoreUtils::none {</td></tr>
+<tr><td class="h"><a name="489"></a>489</td><td></td><td></td><td></td><td></td><td class="s"> $tokens[$_] and $tokens[$_]->{content} =~ /\n/</td></tr>
+<tr><td class="h"><a name="490"></a>490</td><td></td><td></td><td></td><td></td><td class="s"> } (($i + 1) .. $last_index);</td></tr>
+<tr><td class="h"><a name="491"></a>491</td><td></td><td></td><td></td><td></td><td class="s"> if ( ! defined $last_line ) {</td></tr>
+<tr><td class="h"><a name="492"></a>492</td><td></td><td></td><td></td><td></td><td class="s"> # Handles the null list case</td></tr>
+<tr><td class="h"><a name="493"></a>493</td><td></td><td></td><td></td><td></td><td class="s"> $last_line = 1;</td></tr>
+<tr><td class="h"><a name="494"></a>494</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="495"></a>495</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="496"></a>496</td><td></td><td></td><td></td><td></td><td class="s"> # Secondly, are their any more here-docs after us,</td></tr>
+<tr><td class="h"><a name="497"></a>497</td><td></td><td></td><td></td><td></td><td class="s"> # (with content or a terminator)</td></tr>
+<tr><td class="h"><a name="498"></a>498</td><td></td><td></td><td></td><td></td><td class="s"> my $any_after = List::MoreUtils::any {</td></tr>
+<tr><td class="h"><a name="499"></a>499</td><td></td><td></td><td></td><td></td><td class="s"> $tokens[$_]->isa('PPI::Token::HereDoc')</td></tr>
+<tr><td class="h"><a name="500"></a>500</td><td></td><td></td><td></td><td></td><td class="s"> and (</td></tr>
+<tr><td class="h"><a name="501"></a>501</td><td></td><td></td><td></td><td></td><td class="s"> scalar(@{$tokens[$_]->{_heredoc}})</td></tr>
+<tr><td class="h"><a name="502"></a>502</td><td></td><td></td><td></td><td></td><td class="s"> or</td></tr>
+<tr><td class="h"><a name="503"></a>503</td><td></td><td></td><td></td><td></td><td class="s"> defined $tokens[$_]->{_terminator_line}</td></tr>
+<tr><td class="h"><a name="504"></a>504</td><td></td><td></td><td></td><td></td><td class="s"> )</td></tr>
+<tr><td class="h"><a name="505"></a>505</td><td></td><td></td><td></td><td></td><td class="s"> } (($i + 1) .. $#tokens);</td></tr>
+<tr><td class="h"><a name="506"></a>506</td><td></td><td></td><td></td><td></td><td class="s"> if ( ! defined $any_after ) {</td></tr>
+<tr><td class="h"><a name="507"></a>507</td><td></td><td></td><td></td><td></td><td class="s"> # Handles the null list case</td></tr>
+<tr><td class="h"><a name="508"></a>508</td><td></td><td></td><td></td><td></td><td class="s"> $any_after = '';</td></tr>
+<tr><td class="h"><a name="509"></a>509</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="510"></a>510</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="511"></a>511</td><td></td><td></td><td></td><td></td><td class="s"> # We don't need to repair the last here-doc on the</td></tr>
+<tr><td class="h"><a name="512"></a>512</td><td></td><td></td><td></td><td></td><td class="s"> # last line. But we do need to repair anything else.</td></tr>
+<tr><td class="h"><a name="513"></a>513</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $last_line and ! $any_after ) {</td></tr>
+<tr><td class="h"><a name="514"></a>514</td><td></td><td></td><td></td><td></td><td class="s"> # Add a terminating string if it didn't have one</td></tr>
+<tr><td class="h"><a name="515"></a>515</td><td></td><td></td><td></td><td></td><td class="s"> unless ( defined $Token->{_terminator_line} ) {</td></tr>
+<tr><td class="h"><a name="516"></a>516</td><td></td><td></td><td></td><td></td><td class="s"> $Token->{_terminator_line} = $Token->{_terminator};</td></tr>
+<tr><td class="h"><a name="517"></a>517</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="518"></a>518</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="519"></a>519</td><td></td><td></td><td></td><td></td><td class="s"> # Add a trailing newline to the terminating</td></tr>
+<tr><td class="h"><a name="520"></a>520</td><td></td><td></td><td></td><td></td><td class="s"> # string if it didn't have one.</td></tr>
+<tr><td class="h"><a name="521"></a>521</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $Token->{_terminator_line} =~ /\n$/ ) {</td></tr>
+<tr><td class="h"><a name="522"></a>522</td><td></td><td></td><td></td><td></td><td class="s"> $Token->{_terminator_line} .= "\n";</td></tr>
+<tr><td class="h"><a name="523"></a>523</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="524"></a>524</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="525"></a>525</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="526"></a>526</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="527"></a>527</td><td></td><td></td><td></td><td></td><td class="s"> # Now add the termination line to the heredoc buffer</td></tr>
+<tr><td class="h"><a name="528"></a>528</td><td></td><td></td><td></td><td></td><td class="s"> if ( defined $Token->{_terminator_line} ) {</td></tr>
+<tr><td class="h"><a name="529"></a>529</td><td></td><td></td><td></td><td></td><td class="s"> $heredoc .= $Token->{_terminator_line};</td></tr>
+<tr><td class="h"><a name="530"></a>530</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="531"></a>531</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="532"></a>532</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="533"></a>533</td><td></td><td></td><td></td><td></td><td class="s"> # End of tokens</td></tr>
+<tr><td class="h"><a name="534"></a>534</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="535"></a>535</td><td></td><td></td><td></td><td></td><td class="s"> if ( $heredoc ne '' ) {</td></tr>
+<tr><td class="h"><a name="536"></a>536</td><td></td><td></td><td></td><td></td><td class="s"> # If the file doesn't end in a newline, we need to add one</td></tr>
+<tr><td class="h"><a name="537"></a>537</td><td></td><td></td><td></td><td></td><td class="s"> # so that the here-doc content starts on the next line.</td></tr>
+<tr><td class="h"><a name="538"></a>538</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $output =~ /\n$/ ) {</td></tr>
+<tr><td class="h"><a name="539"></a>539</td><td></td><td></td><td></td><td></td><td class="s"> $output .= "\n";</td></tr>
+<tr><td class="h"><a name="540"></a>540</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="541"></a>541</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="542"></a>542</td><td></td><td></td><td></td><td></td><td class="s"> # Now we add the remaining here-doc content</td></tr>
+<tr><td class="h"><a name="543"></a>543</td><td></td><td></td><td></td><td></td><td class="s"> # to the end of the file.</td></tr>
+<tr><td class="h"><a name="544"></a>544</td><td></td><td></td><td></td><td></td><td class="s"> $output .= $heredoc;</td></tr>
+<tr><td class="h"><a name="545"></a>545</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="546"></a>546</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="547"></a>547</td><td></td><td></td><td></td><td></td><td class="s"> $output;</td></tr>
+<tr><td class="h"><a name="548"></a>548</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="549"></a>549</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="550"></a>550</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="551"></a>551</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="552"></a>552</td><td></td><td></td><td></td><td></td><td class="s">=head2 hex_id</td></tr>
+<tr><td class="h"><a name="553"></a>553</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="554"></a>554</td><td></td><td></td><td></td><td></td><td class="s">The C<hex_id> method generates an unique identifier for the Perl document.</td></tr>
+<tr><td class="h"><a name="555"></a>555</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="556"></a>556</td><td></td><td></td><td></td><td></td><td class="s">This identifier is basically just the serialized document, with</td></tr>
+<tr><td class="h"><a name="557"></a>557</td><td></td><td></td><td></td><td></td><td class="s">Unix-specific newlines, passed through MD5 to produce a hexadecimal string.</td></tr>
+<tr><td class="h"><a name="558"></a>558</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="559"></a>559</td><td></td><td></td><td></td><td></td><td class="s">This identifier is used by a variety of systems (such as L<PPI::Cache></td></tr>
+<tr><td class="h"><a name="560"></a>560</td><td></td><td></td><td></td><td></td><td class="s">and L<Perl::Metrics>) as a unique key against which to store or cache</td></tr>
+<tr><td class="h"><a name="561"></a>561</td><td></td><td></td><td></td><td></td><td class="s">information about a document (or indeed, to cache the document itself).</td></tr>
+<tr><td class="h"><a name="562"></a>562</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="563"></a>563</td><td></td><td></td><td></td><td></td><td class="s">Returns a 32 character hexadecimal string.</td></tr>
+<tr><td class="h"><a name="564"></a>564</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="565"></a>565</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="566"></a>566</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="567"></a>567</td><td></td><td></td><td></td><td></td><td class="s">sub hex_id {</td></tr>
+<tr><td class="h"><a name="568"></a>568</td><td></td><td></td><td></td><td></td><td class="s"> PPI::Util::md5hex($_[0]->serialize);</td></tr>
+<tr><td class="h"><a name="569"></a>569</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="570"></a>570</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="571"></a>571</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="572"></a>572</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="573"></a>573</td><td></td><td></td><td></td><td></td><td class="s">=head2 index_locations</td></tr>
+<tr><td class="h"><a name="574"></a>574</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="575"></a>575</td><td></td><td></td><td></td><td></td><td class="s">Within a document, all L<PPI::Element> objects can be considered to have a</td></tr>
+<tr><td class="h"><a name="576"></a>576</td><td></td><td></td><td></td><td></td><td class="s">"location", a line/column position within the document when considered as a</td></tr>
+<tr><td class="h"><a name="577"></a>577</td><td></td><td></td><td></td><td></td><td class="s">file. This position is primarily useful for debugging type activities.</td></tr>
+<tr><td class="h"><a name="578"></a>578</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="579"></a>579</td><td></td><td></td><td></td><td></td><td class="s">The method for finding the position of a single Element is a bit laborious,</td></tr>
+<tr><td class="h"><a name="580"></a>580</td><td></td><td></td><td></td><td></td><td class="s">and very slow if you need to do it a lot. So the C<index_locations> method</td></tr>
+<tr><td class="h"><a name="581"></a>581</td><td></td><td></td><td></td><td></td><td class="s">will index and save the locations of every Element within the Document in</td></tr>
+<tr><td class="h"><a name="582"></a>582</td><td></td><td></td><td></td><td></td><td class="s">advance, making future calls to <PPI::Element::location> virtually free.</td></tr>
+<tr><td class="h"><a name="583"></a>583</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="584"></a>584</td><td></td><td></td><td></td><td></td><td class="s">Please note that this index should always be cleared using C<flush_locations></td></tr>
+<tr><td class="h"><a name="585"></a>585</td><td></td><td></td><td></td><td></td><td class="s">once you are finished with the locations. If content is added to or removed</td></tr>
+<tr><td class="h"><a name="586"></a>586</td><td></td><td></td><td></td><td></td><td class="s">from the file, these indexed locations will be B<wrong>.</td></tr>
+<tr><td class="h"><a name="587"></a>587</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="588"></a>588</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="589"></a>589</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="590"></a>590</td><td></td><td></td><td></td><td></td><td class="s">sub index_locations {</td></tr>
+<tr><td class="h"><a name="591"></a>591</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="592"></a>592</td><td></td><td></td><td></td><td></td><td class="s"> my @tokens = $self->tokens;</td></tr>
+<tr><td class="h"><a name="593"></a>593</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="594"></a>594</td><td></td><td></td><td></td><td></td><td class="s"> # Whenever we hit a heredoc we will need to increment by</td></tr>
+<tr><td class="h"><a name="595"></a>595</td><td></td><td></td><td></td><td></td><td class="s"> # the number of lines in it's content section when when we</td></tr>
+<tr><td class="h"><a name="596"></a>596</td><td></td><td></td><td></td><td></td><td class="s"> # encounter the next token with a newline in it.</td></tr>
+<tr><td class="h"><a name="597"></a>597</td><td></td><td></td><td></td><td></td><td class="s"> my $heredoc = 0;</td></tr>
+<tr><td class="h"><a name="598"></a>598</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="599"></a>599</td><td></td><td></td><td></td><td></td><td class="s"> # Find the first Token without a location</td></tr>
+<tr><td class="h"><a name="600"></a>600</td><td></td><td></td><td></td><td></td><td class="s"> my ($first, $location) = ();</td></tr>
+<tr><td class="h"><a name="601"></a>601</td><td></td><td></td><td></td><td></td><td class="s"> foreach ( 0 .. $#tokens ) {</td></tr>
+<tr><td class="h"><a name="602"></a>602</td><td></td><td></td><td></td><td></td><td class="s"> my $Token = $tokens[$_];</td></tr>
+<tr><td class="h"><a name="603"></a>603</td><td></td><td></td><td></td><td></td><td class="s"> next if $Token->{_location};</td></tr>
+<tr><td class="h"><a name="604"></a>604</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="605"></a>605</td><td></td><td></td><td></td><td></td><td class="s"> # Found the first Token without a location</td></tr>
+<tr><td class="h"><a name="606"></a>606</td><td></td><td></td><td></td><td></td><td class="s"> # Calculate the new location if needed.</td></tr>
+<tr><td class="h"><a name="607"></a>607</td><td></td><td></td><td></td><td></td><td class="s"> if ($_) {</td></tr>
+<tr><td class="h"><a name="608"></a>608</td><td></td><td></td><td></td><td></td><td class="s"> $location =</td></tr>
+<tr><td class="h"><a name="609"></a>609</td><td></td><td></td><td></td><td></td><td class="s"> $self->_add_location( $location, $tokens[$_ - 1], \$heredoc );</td></tr>
+<tr><td class="h"><a name="610"></a>610</td><td></td><td></td><td></td><td></td><td class="s"> } else {</td></tr>
+<tr><td class="h"><a name="611"></a>611</td><td></td><td></td><td></td><td></td><td class="s"> my $logical_file =</td></tr>
+<tr><td class="h"><a name="612"></a>612</td><td></td><td></td><td></td><td></td><td class="s"> $self->can('filename') ? $self->filename : undef;</td></tr>
+<tr><td class="h"><a name="613"></a>613</td><td></td><td></td><td></td><td></td><td class="s"> $location = [ 1, 1, 1, 1, $logical_file ];</td></tr>
+<tr><td class="h"><a name="614"></a>614</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="615"></a>615</td><td></td><td></td><td></td><td></td><td class="s"> $first = $_;</td></tr>
+<tr><td class="h"><a name="616"></a>616</td><td></td><td></td><td></td><td></td><td class="s"> last;</td></tr>
+<tr><td class="h"><a name="617"></a>617</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="618"></a>618</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="619"></a>619</td><td></td><td></td><td></td><td></td><td class="s"> # Calculate locations for the rest</td></tr>
+<tr><td class="h"><a name="620"></a>620</td><td></td><td></td><td></td><td></td><td class="s"> if ( defined $first ) {</td></tr>
+<tr><td class="h"><a name="621"></a>621</td><td></td><td></td><td></td><td></td><td class="s"> foreach ( $first .. $#tokens ) {</td></tr>
+<tr><td class="h"><a name="622"></a>622</td><td></td><td></td><td></td><td></td><td class="s"> my $Token = $tokens[$_];</td></tr>
+<tr><td class="h"><a name="623"></a>623</td><td></td><td></td><td></td><td></td><td class="s"> $Token->{_location} = $location;</td></tr>
+<tr><td class="h"><a name="624"></a>624</td><td></td><td></td><td></td><td></td><td class="s"> $location = $self->_add_location( $location, $Token, \$heredoc );</td></tr>
+<tr><td class="h"><a name="625"></a>625</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="626"></a>626</td><td></td><td></td><td></td><td></td><td class="s"> # Add any here-doc lines to the counter</td></tr>
+<tr><td class="h"><a name="627"></a>627</td><td></td><td></td><td></td><td></td><td class="s"> if ( $Token->isa('PPI::Token::HereDoc') ) {</td></tr>
+<tr><td class="h"><a name="628"></a>628</td><td></td><td></td><td></td><td></td><td class="s"> $heredoc += $Token->heredoc + 1;</td></tr>
+<tr><td class="h"><a name="629"></a>629</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="630"></a>630</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="631"></a>631</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="632"></a>632</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="633"></a>633</td><td></td><td></td><td></td><td></td><td class="s"> 1;</td></tr>
+<tr><td class="h"><a name="634"></a>634</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="635"></a>635</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="636"></a>636</td><td></td><td></td><td></td><td></td><td class="s">sub _add_location {</td></tr>
+<tr><td class="h"><a name="637"></a>637</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $start, $Token, $heredoc) = @_;</td></tr>
+<tr><td class="h"><a name="638"></a>638</td><td></td><td></td><td></td><td></td><td class="s"> my $content = $Token->{content};</td></tr>
+<tr><td class="h"><a name="639"></a>639</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="640"></a>640</td><td></td><td></td><td></td><td></td><td class="s"> # Does the content contain any newlines</td></tr>
+<tr><td class="h"><a name="641"></a>641</td><td></td><td></td><td></td><td></td><td class="s"> my $newlines =()= $content =~ /\n/g;</td></tr>
+<tr><td class="h"><a name="642"></a>642</td><td></td><td></td><td></td><td></td><td class="s"> my ($logical_line, $logical_file) =</td></tr>
+<tr><td class="h"><a name="643"></a>643</td><td></td><td></td><td></td><td></td><td class="s"> $self->_logical_line_and_file($start, $Token, $newlines);</td></tr>
+<tr><td class="h"><a name="644"></a>644</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="645"></a>645</td><td></td><td></td><td></td><td></td><td class="s"> unless ( $newlines ) {</td></tr>
+<tr><td class="h"><a name="646"></a>646</td><td></td><td></td><td></td><td></td><td class="s"> # Handle the simple case</td></tr>
+<tr><td class="h"><a name="647"></a>647</td><td></td><td></td><td></td><td></td><td class="s"> return [</td></tr>
+<tr><td class="h"><a name="648"></a>648</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_LINE],</td></tr>
+<tr><td class="h"><a name="649"></a>649</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_CHARACTER] + length($content),</td></tr>
+<tr><td class="h"><a name="650"></a>650</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_COLUMN]</td></tr>
+<tr><td class="h"><a name="651"></a>651</td><td></td><td></td><td></td><td></td><td class="s"> + $self->_visual_length(</td></tr>
+<tr><td class="h"><a name="652"></a>652</td><td></td><td></td><td></td><td></td><td class="s"> $content,</td></tr>
+<tr><td class="h"><a name="653"></a>653</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_COLUMN]</td></tr>
+<tr><td class="h"><a name="654"></a>654</td><td></td><td></td><td></td><td></td><td class="s"> ),</td></tr>
+<tr><td class="h"><a name="655"></a>655</td><td></td><td></td><td></td><td></td><td class="s"> $logical_line,</td></tr>
+<tr><td class="h"><a name="656"></a>656</td><td></td><td></td><td></td><td></td><td class="s"> $logical_file,</td></tr>
+<tr><td class="h"><a name="657"></a>657</td><td></td><td></td><td></td><td></td><td class="s"> ];</td></tr>
+<tr><td class="h"><a name="658"></a>658</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="659"></a>659</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="660"></a>660</td><td></td><td></td><td></td><td></td><td class="s"> # This is the more complex case where we hit or</td></tr>
+<tr><td class="h"><a name="661"></a>661</td><td></td><td></td><td></td><td></td><td class="s"> # span a newline boundary.</td></tr>
+<tr><td class="h"><a name="662"></a>662</td><td></td><td></td><td></td><td></td><td class="s"> my $physical_line = $start->[LOCATION_LINE] + $newlines;</td></tr>
+<tr><td class="h"><a name="663"></a>663</td><td></td><td></td><td></td><td></td><td class="s"> my $location = [ $physical_line, 1, 1, $logical_line, $logical_file ];</td></tr>
+<tr><td class="h"><a name="664"></a>664</td><td></td><td></td><td></td><td></td><td class="s"> if ( $heredoc and $$heredoc ) {</td></tr>
+<tr><td class="h"><a name="665"></a>665</td><td></td><td></td><td></td><td></td><td class="s"> $location->[LOCATION_LINE] += $$heredoc;</td></tr>
+<tr><td class="h"><a name="666"></a>666</td><td></td><td></td><td></td><td></td><td class="s"> $location->[LOCATION_LOGICAL_LINE] += $$heredoc;</td></tr>
+<tr><td class="h"><a name="667"></a>667</td><td></td><td></td><td></td><td></td><td class="s"> $$heredoc = 0;</td></tr>
+<tr><td class="h"><a name="668"></a>668</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="669"></a>669</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="670"></a>670</td><td></td><td></td><td></td><td></td><td class="s"> # Does the token have additional characters</td></tr>
+<tr><td class="h"><a name="671"></a>671</td><td></td><td></td><td></td><td></td><td class="s"> # after their last newline.</td></tr>
+<tr><td class="h"><a name="672"></a>672</td><td></td><td></td><td></td><td></td><td class="s"> if ( $content =~ /\n([^\n]+?)\z/ ) {</td></tr>
+<tr><td class="h"><a name="673"></a>673</td><td></td><td></td><td></td><td></td><td class="s"> $location->[LOCATION_CHARACTER] += length($1);</td></tr>
+<tr><td class="h"><a name="674"></a>674</td><td></td><td></td><td></td><td></td><td class="s"> $location->[LOCATION_COLUMN] +=</td></tr>
+<tr><td class="h"><a name="675"></a>675</td><td></td><td></td><td></td><td></td><td class="s"> $self->_visual_length(</td></tr>
+<tr><td class="h"><a name="676"></a>676</td><td></td><td></td><td></td><td></td><td class="s"> $1, $location->[LOCATION_COLUMN],</td></tr>
+<tr><td class="h"><a name="677"></a>677</td><td></td><td></td><td></td><td></td><td class="s"> );</td></tr>
+<tr><td class="h"><a name="678"></a>678</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="679"></a>679</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="680"></a>680</td><td></td><td></td><td></td><td></td><td class="s"> $location;</td></tr>
+<tr><td class="h"><a name="681"></a>681</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="682"></a>682</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="683"></a>683</td><td></td><td></td><td></td><td></td><td class="s">sub _logical_line_and_file {</td></tr>
+<tr><td class="h"><a name="684"></a>684</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $start, $Token, $newlines) = @_;</td></tr>
+<tr><td class="h"><a name="685"></a>685</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="686"></a>686</td><td></td><td></td><td></td><td></td><td class="s"> # Regex taken from perlsyn, with the correction that there's no space</td></tr>
+<tr><td class="h"><a name="687"></a>687</td><td></td><td></td><td></td><td></td><td class="s"> # required between the line number and the file name.</td></tr>
+<tr><td class="h"><a name="688"></a>688</td><td></td><td></td><td></td><td></td><td class="s"> if ($start->[LOCATION_CHARACTER] == 1) {</td></tr>
+<tr><td class="h"><a name="689"></a>689</td><td></td><td></td><td></td><td></td><td class="s"> if ( $Token->isa('PPI::Token::Comment') ) {</td></tr>
+<tr><td class="h"><a name="690"></a>690</td><td></td><td></td><td></td><td></td><td class="s"> if (</td></tr>
+<tr><td class="h"><a name="691"></a>691</td><td></td><td></td><td></td><td></td><td class="s"> $Token->content =~ m<</td></tr>
+<tr><td class="h"><a name="692"></a>692</td><td></td><td></td><td></td><td></td><td class="s"> \A</td></tr>
+<tr><td class="h"><a name="693"></a>693</td><td></td><td></td><td></td><td></td><td class="s"> \# \s*</td></tr>
+<tr><td class="h"><a name="694"></a>694</td><td></td><td></td><td></td><td></td><td class="s"> line \s+</td></tr>
+<tr><td class="h"><a name="695"></a>695</td><td></td><td></td><td></td><td></td><td class="s"> (\d+) \s*</td></tr>
+<tr><td class="h"><a name="696"></a>696</td><td></td><td></td><td></td><td></td><td class="s"> (?: (\"?) ([^\"]* [^\s\"]) \2 )?</td></tr>
+<tr><td class="h"><a name="697"></a>697</td><td></td><td></td><td></td><td></td><td class="s"> \s*</td></tr>
+<tr><td class="h"><a name="698"></a>698</td><td></td><td></td><td></td><td></td><td class="s"> \z</td></tr>
+<tr><td class="h"><a name="699"></a>699</td><td></td><td></td><td></td><td></td><td class="s"> >xms</td></tr>
+<tr><td class="h"><a name="700"></a>700</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr>
+<tr><td class="h"><a name="701"></a>701</td><td></td><td></td><td></td><td></td><td class="s"> return $1, ($3 || $start->[LOCATION_LOGICAL_FILE]);</td></tr>
+<tr><td class="h"><a name="702"></a>702</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="703"></a>703</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="704"></a>704</td><td></td><td></td><td></td><td></td><td class="s"> elsif ( $Token->isa('PPI::Token::Pod') ) {</td></tr>
+<tr><td class="h"><a name="705"></a>705</td><td></td><td></td><td></td><td></td><td class="s"> my $content = $Token->content;</td></tr>
+<tr><td class="h"><a name="706"></a>706</td><td></td><td></td><td></td><td></td><td class="s"> my $line;</td></tr>
+<tr><td class="h"><a name="707"></a>707</td><td></td><td></td><td></td><td></td><td class="s"> my $file = $start->[LOCATION_LOGICAL_FILE];</td></tr>
+<tr><td class="h"><a name="708"></a>708</td><td></td><td></td><td></td><td></td><td class="s"> my $end_of_directive;</td></tr>
+<tr><td class="h"><a name="709"></a>709</td><td></td><td></td><td></td><td></td><td class="s"> while (</td></tr>
+<tr><td class="h"><a name="710"></a>710</td><td></td><td></td><td></td><td></td><td class="s"> $content =~ m<</td></tr>
+<tr><td class="h"><a name="711"></a>711</td><td></td><td></td><td></td><td></td><td class="s"> ^</td></tr>
+<tr><td class="h"><a name="712"></a>712</td><td></td><td></td><td></td><td></td><td class="s"> \# \s*?</td></tr>
+<tr><td class="h"><a name="713"></a>713</td><td></td><td></td><td></td><td></td><td class="s"> line \s+?</td></tr>
+<tr><td class="h"><a name="714"></a>714</td><td></td><td></td><td></td><td></td><td class="s"> (\d+) (?: (?! \n) \s)*</td></tr>
+<tr><td class="h"><a name="715"></a>715</td><td></td><td></td><td></td><td></td><td class="s"> (?: (\"?) ([^\"]*? [^\s\"]) \2 )??</td></tr>
+<tr><td class="h"><a name="716"></a>716</td><td></td><td></td><td></td><td></td><td class="s"> \s*?</td></tr>
+<tr><td class="h"><a name="717"></a>717</td><td></td><td></td><td></td><td></td><td class="s"> $</td></tr>
+<tr><td class="h"><a name="718"></a>718</td><td></td><td></td><td></td><td></td><td class="s"> >xmsg</td></tr>
+<tr><td class="h"><a name="719"></a>719</td><td></td><td></td><td></td><td></td><td class="s"> ) {</td></tr>
+<tr><td class="h"><a name="720"></a>720</td><td></td><td></td><td></td><td></td><td class="s"> ($line, $file) = ($1, ( $3 || $file ) );</td></tr>
+<tr><td class="h"><a name="721"></a>721</td><td></td><td></td><td></td><td></td><td class="s"> $end_of_directive = pos $content;</td></tr>
+<tr><td class="h"><a name="722"></a>722</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="723"></a>723</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="724"></a>724</td><td></td><td></td><td></td><td></td><td class="s"> if (defined $line) {</td></tr>
+<tr><td class="h"><a name="725"></a>725</td><td></td><td></td><td></td><td></td><td class="s"> pos $content = $end_of_directive;</td></tr>
+<tr><td class="h"><a name="726"></a>726</td><td></td><td></td><td></td><td></td><td class="s"> my $post_directive_newlines =()= $content =~ m< \G [^\n]* \n >xmsg;</td></tr>
+<tr><td class="h"><a name="727"></a>727</td><td></td><td></td><td></td><td></td><td class="s"> return $line + $post_directive_newlines - 1, $file;</td></tr>
+<tr><td class="h"><a name="728"></a>728</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="729"></a>729</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="730"></a>730</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="731"></a>731</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="732"></a>732</td><td></td><td></td><td></td><td></td><td class="s"> return</td></tr>
+<tr><td class="h"><a name="733"></a>733</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_LOGICAL_LINE] + $newlines,</td></tr>
+<tr><td class="h"><a name="734"></a>734</td><td></td><td></td><td></td><td></td><td class="s"> $start->[LOCATION_LOGICAL_FILE];</td></tr>
+<tr><td class="h"><a name="735"></a>735</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="736"></a>736</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="737"></a>737</td><td></td><td></td><td></td><td></td><td class="s">sub _visual_length {</td></tr>
+<tr><td class="h"><a name="738"></a>738</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, $content, $pos) = @_;</td></tr>
+<tr><td class="h"><a name="739"></a>739</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="740"></a>740</td><td></td><td></td><td></td><td></td><td class="s"> my $tab_width = $self->tab_width;</td></tr>
+<tr><td class="h"><a name="741"></a>741</td><td></td><td></td><td></td><td></td><td class="s"> my ($length, $vis_inc);</td></tr>
+<tr><td class="h"><a name="742"></a>742</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="743"></a>743</td><td></td><td></td><td></td><td></td><td class="s"> return length $content if $content !~ /\t/;</td></tr>
+<tr><td class="h"><a name="744"></a>744</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="745"></a>745</td><td></td><td></td><td></td><td></td><td class="s"> # Split the content in tab and non-tab parts and calculate the</td></tr>
+<tr><td class="h"><a name="746"></a>746</td><td></td><td></td><td></td><td></td><td class="s"> # "visual increase" of each part.</td></tr>
+<tr><td class="h"><a name="747"></a>747</td><td></td><td></td><td></td><td></td><td class="s"> for my $part ( split(/(\t)/, $content) ) {</td></tr>
+<tr><td class="h"><a name="748"></a>748</td><td></td><td></td><td></td><td></td><td class="s"> if ($part eq "\t") {</td></tr>
+<tr><td class="h"><a name="749"></a>749</td><td></td><td></td><td></td><td></td><td class="s"> $vis_inc = $tab_width - ($pos-1) % $tab_width;</td></tr>
+<tr><td class="h"><a name="750"></a>750</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="751"></a>751</td><td></td><td></td><td></td><td></td><td class="s"> else {</td></tr>
+<tr><td class="h"><a name="752"></a>752</td><td></td><td></td><td></td><td></td><td class="s"> $vis_inc = length $part;</td></tr>
+<tr><td class="h"><a name="753"></a>753</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="754"></a>754</td><td></td><td></td><td></td><td></td><td class="s"> $length += $vis_inc;</td></tr>
+<tr><td class="h"><a name="755"></a>755</td><td></td><td></td><td></td><td></td><td class="s"> $pos += $vis_inc;</td></tr>
+<tr><td class="h"><a name="756"></a>756</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="757"></a>757</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="758"></a>758</td><td></td><td></td><td></td><td></td><td class="s"> $length;</td></tr>
+<tr><td class="h"><a name="759"></a>759</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="760"></a>760</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="761"></a>761</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="762"></a>762</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="763"></a>763</td><td></td><td></td><td></td><td></td><td class="s">=head2 flush_locations</td></tr>
+<tr><td class="h"><a name="764"></a>764</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="765"></a>765</td><td></td><td></td><td></td><td></td><td class="s">When no longer needed, the C<flush_locations> method clears all location data</td></tr>
+<tr><td class="h"><a name="766"></a>766</td><td></td><td></td><td></td><td></td><td class="s">from the tokens.</td></tr>
+<tr><td class="h"><a name="767"></a>767</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="768"></a>768</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="769"></a>769</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="770"></a>770</td><td></td><td></td><td></td><td></td><td class="s">sub flush_locations {</td></tr>
+<tr><td class="h"><a name="771"></a>771</td><td></td><td></td><td></td><td></td><td class="s"> shift->_flush_locations(@_);</td></tr>
+<tr><td class="h"><a name="772"></a>772</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="773"></a>773</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="774"></a>774</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="775"></a>775</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="776"></a>776</td><td></td><td></td><td></td><td></td><td class="s">=head2 normalized</td></tr>
+<tr><td class="h"><a name="777"></a>777</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="778"></a>778</td><td></td><td></td><td></td><td></td><td class="s">The C<normalized> method is used to generate a "Layer 1"</td></tr>
+<tr><td class="h"><a name="779"></a>779</td><td></td><td></td><td></td><td></td><td class="s">L<PPI::Document::Normalized> object for the current Document.</td></tr>
+<tr><td class="h"><a name="780"></a>780</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="781"></a>781</td><td></td><td></td><td></td><td></td><td class="s">A "normalized" Perl Document is an arbitrary structure that removes any</td></tr>
+<tr><td class="h"><a name="782"></a>782</td><td></td><td></td><td></td><td></td><td class="s">irrelevant parts of the document and refactors out variations in style,</td></tr>
+<tr><td class="h"><a name="783"></a>783</td><td></td><td></td><td></td><td></td><td class="s">to attempt to approach something that is closer to the "true meaning"</td></tr>
+<tr><td class="h"><a name="784"></a>784</td><td></td><td></td><td></td><td></td><td class="s">of the Document.</td></tr>
+<tr><td class="h"><a name="785"></a>785</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="786"></a>786</td><td></td><td></td><td></td><td></td><td class="s">See L<PPI::Normal> for more information on document normalization and</td></tr>
+<tr><td class="h"><a name="787"></a>787</td><td></td><td></td><td></td><td></td><td class="s">the tasks for which it is useful.</td></tr>
+<tr><td class="h"><a name="788"></a>788</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="789"></a>789</td><td></td><td></td><td></td><td></td><td class="s">Returns a L<PPI::Document::Normalized> object, or C<undef> on error.</td></tr>
+<tr><td class="h"><a name="790"></a>790</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="791"></a>791</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="792"></a>792</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="793"></a>793</td><td></td><td></td><td></td><td></td><td class="s">sub normalized {</td></tr>
+<tr><td class="h"><a name="794"></a>794</td><td></td><td></td><td></td><td></td><td class="s"> # The normalization process will utterly destroy and mangle</td></tr>
+<tr><td class="h"><a name="795"></a>795</td><td></td><td></td><td></td><td></td><td class="s"> # anything passed to it, so we are going to only give it a</td></tr>
+<tr><td class="h"><a name="796"></a>796</td><td></td><td></td><td></td><td></td><td class="s"> # clone of ourself.</td></tr>
+<tr><td class="h"><a name="797"></a>797</td><td></td><td></td><td></td><td></td><td class="s"> PPI::Normal->process( $_[0]->clone );</td></tr>
+<tr><td class="h"><a name="798"></a>798</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="799"></a>799</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="800"></a>800</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="801"></a>801</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="802"></a>802</td><td></td><td></td><td></td><td></td><td class="s">=head1 complete</td></tr>
+<tr><td class="h"><a name="803"></a>803</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="804"></a>804</td><td></td><td></td><td></td><td></td><td class="s">The C<complete> method is used to determine if a document is cleanly</td></tr>
+<tr><td class="h"><a name="805"></a>805</td><td></td><td></td><td></td><td></td><td class="s">structured, all braces are closed, the final statement is</td></tr>
+<tr><td class="h"><a name="806"></a>806</td><td></td><td></td><td></td><td></td><td class="s">fully terminated and all heredocs are fully entered.</td></tr>
+<tr><td class="h"><a name="807"></a>807</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="808"></a>808</td><td></td><td></td><td></td><td></td><td class="s">Returns true if the document is complete or false if not.</td></tr>
+<tr><td class="h"><a name="809"></a>809</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="810"></a>810</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="811"></a>811</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="812"></a>812</td><td></td><td></td><td></td><td></td><td class="s">sub complete {</td></tr>
+<tr><td class="h"><a name="813"></a>813</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="814"></a>814</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="815"></a>815</td><td></td><td></td><td></td><td></td><td class="s"> # Every structure has to be complete</td></tr>
+<tr><td class="h"><a name="816"></a>816</td><td></td><td></td><td></td><td></td><td class="s"> $self->find_any( sub {</td></tr>
+<tr><td class="h"><a name="817"></a>817</td><td></td><td></td><td></td><td></td><td class="s"> $_[1]->isa('PPI::Structure')</td></tr>
+<tr><td class="h"><a name="818"></a>818</td><td></td><td></td><td></td><td></td><td class="s"> and</td></tr>
+<tr><td class="h"><a name="819"></a>819</td><td></td><td></td><td></td><td></td><td class="s"> ! $_[1]->complete</td></tr>
+<tr><td class="h"><a name="820"></a>820</td><td></td><td></td><td></td><td></td><td class="s"> } )</td></tr>
+<tr><td class="h"><a name="821"></a>821</td><td></td><td></td><td></td><td></td><td class="s"> and return '';</td></tr>
+<tr><td class="h"><a name="822"></a>822</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="823"></a>823</td><td></td><td></td><td></td><td></td><td class="s"> # Strip anything that isn't a statement off the end</td></tr>
+<tr><td class="h"><a name="824"></a>824</td><td></td><td></td><td></td><td></td><td class="s"> my @child = $self->children;</td></tr>
+<tr><td class="h"><a name="825"></a>825</td><td></td><td></td><td></td><td></td><td class="s"> while ( @child and not $child[-1]->isa('PPI::Statement') ) {</td></tr>
+<tr><td class="h"><a name="826"></a>826</td><td></td><td></td><td></td><td></td><td class="s"> pop @child;</td></tr>
+<tr><td class="h"><a name="827"></a>827</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="828"></a>828</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="829"></a>829</td><td></td><td></td><td></td><td></td><td class="s"> # We must have at least one statement</td></tr>
+<tr><td class="h"><a name="830"></a>830</td><td></td><td></td><td></td><td></td><td class="s"> return '' unless @child;</td></tr>
+<tr><td class="h"><a name="831"></a>831</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="832"></a>832</td><td></td><td></td><td></td><td></td><td class="s"> # Check the completeness of the last statement</td></tr>
+<tr><td class="h"><a name="833"></a>833</td><td></td><td></td><td></td><td></td><td class="s"> return $child[-1]->_complete;</td></tr>
+<tr><td class="h"><a name="834"></a>834</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="835"></a>835</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="840"></a>840</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="841"></a>841</td><td></td><td></td><td></td><td></td><td class="s"># PPI::Node Methods</td></tr>
+<tr><td class="h"><a name="842"></a>842</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="843"></a>843</td><td></td><td></td><td></td><td></td><td class="s"># We are a scope boundary</td></tr>
+<tr><td class="h"><a name="844"></a>844</td><td></td><td></td><td></td><td></td><td class="s">### XS -> PPI/XS.xs:_PPI_Document__scope 0.903+</td></tr>
+<tr><td class="h"><a name="845"></a>845</td><td></td><td></td><td></td><td></td><td class="s">sub scope { 1 }</td></tr>
+<tr><td class="h"><a name="846"></a>846</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="851"></a>851</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="852"></a>852</td><td></td><td></td><td></td><td></td><td class="s"># PPI::Element Methods</td></tr>
+<tr><td class="h"><a name="853"></a>853</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="854"></a>854</td><td></td><td></td><td></td><td></td><td class="s">sub insert_before {</td></tr>
+<tr><td class="h"><a name="855"></a>855</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="856"></a>856</td><td></td><td></td><td></td><td></td><td class="s"> # die "Cannot insert_before a PPI::Document";</td></tr>
+<tr><td class="h"><a name="857"></a>857</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="858"></a>858</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="859"></a>859</td><td></td><td></td><td></td><td></td><td class="s">sub insert_after {</td></tr>
+<tr><td class="h"><a name="860"></a>860</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="861"></a>861</td><td></td><td></td><td></td><td></td><td class="s"> # die "Cannot insert_after a PPI::Document";</td></tr>
+<tr><td class="h"><a name="862"></a>862</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="863"></a>863</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="864"></a>864</td><td></td><td></td><td></td><td></td><td class="s">sub replace {</td></tr>
+<tr><td class="h"><a name="865"></a>865</td><td></td><td></td><td></td><td></td><td class="s"> return undef;</td></tr>
+<tr><td class="h"><a name="866"></a>866</td><td></td><td></td><td></td><td></td><td class="s"> # die "Cannot replace a PPI::Document";</td></tr>
+<tr><td class="h"><a name="867"></a>867</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="868"></a>868</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="873"></a>873</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="874"></a>874</td><td></td><td></td><td></td><td></td><td class="s"># Error Handling</td></tr>
+<tr><td class="h"><a name="875"></a>875</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="876"></a>876</td><td></td><td></td><td></td><td></td><td class="s"># Set the error message</td></tr>
+<tr><td class="h"><a name="877"></a>877</td><td></td><td></td><td></td><td></td><td class="s">sub _error {</td></tr>
+<tr><td class="h"><a name="878"></a>878</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = $_[1];</td></tr>
+<tr><td class="h"><a name="879"></a>879</td><td></td><td></td><td></td><td></td><td class="s"> undef;</td></tr>
+<tr><td class="h"><a name="880"></a>880</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="881"></a>881</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="882"></a>882</td><td></td><td></td><td></td><td></td><td class="s"># Clear the error message.</td></tr>
+<tr><td class="h"><a name="883"></a>883</td><td></td><td></td><td></td><td></td><td class="s"># Returns the object as a convenience.</td></tr>
+<tr><td class="h"><a name="884"></a>884</td><td></td><td></td><td></td><td></td><td class="s">sub _clear {</td></tr>
+<tr><td class="h"><a name="885"></a>885</td><td></td><td></td><td></td><td></td><td class="s"> $errstr = '';</td></tr>
+<tr><td class="h"><a name="886"></a>886</td><td></td><td></td><td></td><td></td><td class="s"> $_[0];</td></tr>
+<tr><td class="h"><a name="887"></a>887</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="888"></a>888</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="889"></a>889</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="890"></a>890</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="891"></a>891</td><td></td><td></td><td></td><td></td><td class="s">=head2 errstr</td></tr>
+<tr><td class="h"><a name="892"></a>892</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="893"></a>893</td><td></td><td></td><td></td><td></td><td class="s">For error that occur when loading and saving documents, you can use</td></tr>
+<tr><td class="h"><a name="894"></a>894</td><td></td><td></td><td></td><td></td><td class="s">C<errstr>, as either a static or object method, to access the error message.</td></tr>
+<tr><td class="h"><a name="895"></a>895</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="896"></a>896</td><td></td><td></td><td></td><td></td><td class="s">If a Document loads or saves without error, C<errstr> will return false.</td></tr>
+<tr><td class="h"><a name="897"></a>897</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="898"></a>898</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+<tr><td class="h"><a name="899"></a>899</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="900"></a>900</td><td></td><td></td><td></td><td></td><td class="s">sub errstr {</td></tr>
+<tr><td class="h"><a name="901"></a>901</td><td></td><td></td><td></td><td></td><td class="s"> $errstr;</td></tr>
+<tr><td class="h"><a name="902"></a>902</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="903"></a>903</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="- -"></a>- -</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="908"></a>908</td><td></td><td></td><td></td><td></td><td class="s">#####################################################################</td></tr>
+<tr><td class="h"><a name="909"></a>909</td><td></td><td></td><td></td><td></td><td class="s"># Native Storable Support</td></tr>
+<tr><td class="h"><a name="910"></a>910</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="911"></a>911</td><td></td><td></td><td></td><td></td><td class="s">sub STORABLE_freeze {</td></tr>
+<tr><td class="h"><a name="912"></a>912</td><td></td><td></td><td></td><td></td><td class="s"> my $self = shift;</td></tr>
+<tr><td class="h"><a name="913"></a>913</td><td></td><td></td><td></td><td></td><td class="s"> my $class = ref $self;</td></tr>
+<tr><td class="h"><a name="914"></a>914</td><td></td><td></td><td></td><td></td><td class="s"> my %hash = %$self;</td></tr>
+<tr><td class="h"><a name="915"></a>915</td><td></td><td></td><td></td><td></td><td class="s"> return ($class, \%hash);</td></tr>
+<tr><td class="h"><a name="916"></a>916</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="917"></a>917</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="918"></a>918</td><td></td><td></td><td></td><td></td><td class="s">sub STORABLE_thaw {</td></tr>
+<tr><td class="h"><a name="919"></a>919</td><td></td><td></td><td></td><td></td><td class="s"> my ($self, undef, $class, $hash) = @_;</td></tr>
+<tr><td class="h"><a name="920"></a>920</td><td></td><td></td><td></td><td></td><td class="s"> bless $self, $class;</td></tr>
+<tr><td class="h"><a name="921"></a>921</td><td></td><td></td><td></td><td></td><td class="s"> foreach ( keys %$hash ) {</td></tr>
+<tr><td class="h"><a name="922"></a>922</td><td></td><td></td><td></td><td></td><td class="s"> $self->{$_} = delete $hash->{$_};</td></tr>
+<tr><td class="h"><a name="923"></a>923</td><td></td><td></td><td></td><td></td><td class="s"> }</td></tr>
+<tr><td class="h"><a name="924"></a>924</td><td></td><td></td><td></td><td></td><td class="s"> $self->__link_children;</td></tr>
+<tr><td class="h"><a name="925"></a>925</td><td></td><td></td><td></td><td></td><td class="s">}</td></tr>
+<tr><td class="h"><a name="926"></a>926</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="927"></a>927</td><td class="c3">1</td><td class="c3"><span title="Avg 6µs">6µs</span></td><td></td><td></td><td class="s">1;</td></tr>
+<tr><td class="h"><a name="928"></a>928</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="929"></a>929</td><td></td><td></td><td></td><td></td><td class="s">=pod</td></tr>
+<tr><td class="h"><a name="930"></a>930</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="931"></a>931</td><td></td><td></td><td></td><td></td><td class="s">=head1 TO DO</td></tr>
+<tr><td class="h"><a name="932"></a>932</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="933"></a>933</td><td></td><td></td><td></td><td></td><td class="s">- May need to overload some methods to forcefully prevent Document</td></tr>
+<tr><td class="h"><a name="934"></a>934</td><td></td><td></td><td></td><td></td><td class="s">objects becoming children of another Node.</td></tr>
+<tr><td class="h"><a name="935"></a>935</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="936"></a>936</td><td></td><td></td><td></td><td></td><td class="s">=head1 SUPPORT</td></tr>
+<tr><td class="h"><a name="937"></a>937</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="938"></a>938</td><td></td><td></td><td></td><td></td><td class="s">See the L<support section|PPI/SUPPORT> in the main module.</td></tr>
+<tr><td class="h"><a name="939"></a>939</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="940"></a>940</td><td></td><td></td><td></td><td></td><td class="s">=head1 AUTHOR</td></tr>
+<tr><td class="h"><a name="941"></a>941</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="942"></a>942</td><td></td><td></td><td></td><td></td><td class="s">Adam Kennedy E<lt>adamk@cpan.orgE<gt></td></tr>
+<tr><td class="h"><a name="943"></a>943</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="944"></a>944</td><td></td><td></td><td></td><td></td><td class="s">=head1 SEE ALSO</td></tr>
+<tr><td class="h"><a name="945"></a>945</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="946"></a>946</td><td></td><td></td><td></td><td></td><td class="s">L<PPI>, L<http://ali.as/></td></tr>
+<tr><td class="h"><a name="947"></a>947</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="948"></a>948</td><td></td><td></td><td></td><td></td><td class="s">=head1 COPYRIGHT</td></tr>
+<tr><td class="h"><a name="949"></a>949</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="950"></a>950</td><td></td><td></td><td></td><td></td><td class="s">Copyright 2001 - 2011 Adam Kennedy.</td></tr>
+<tr><td class="h"><a name="951"></a>951</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="952"></a>952</td><td></td><td></td><td></td><td></td><td class="s">This program is free software; you can redistribute</td></tr>
+<tr><td class="h"><a name="953"></a>953</td><td></td><td></td><td></td><td></td><td class="s">it and/or modify it under the same terms as Perl itself.</td></tr>
+<tr><td class="h"><a name="954"></a>954</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="955"></a>955</td><td></td><td></td><td></td><td></td><td class="s">The full text of the license can be found in the</td></tr>
+<tr><td class="h"><a name="956"></a>956</td><td></td><td></td><td></td><td></td><td class="s">LICENSE file included with this module.</td></tr>
+<tr><td class="h"><a name="957"></a>957</td><td></td><td></td><td></td><td></td><td class="s"></td></tr>
+<tr><td class="h"><a name="958"></a>958</td><td></td><td></td><td></td><td></td><td class="s">=cut</td></tr>
+</tbody></table></div>
+
+ <script type="text/javascript"> $(document).ready(function() {
+
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+ sortList: [[3,1]],
+ headers: {
+ 3: { sorter: 'fmt_time' },
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+
+ <div class="footer">Report produced by the
+ <a href="http://search.cpan.org/dist/Devel-NYTProf/">NYTProf 4.06</a>
+ Perl profiler, developed by
+ <a href="http://www.linkedin.com/in/timbunce">Tim Bunce</a> and
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