<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
<meta name="generator" content="Doxygen 1.8.15"/>
<meta name="viewport" content="width=device-width, initial-scale=1"/>
<title>libstdc++: regex_compiler.tcc Source File</title>
<link href="tabs.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="jquery.js"></script>
<script type="text/javascript" src="dynsections.js"></script>
<link href="navtree.css" rel="stylesheet" type="text/css"/>
<script type="text/javascript" src="resize.js"></script>
<script type="text/javascript" src="navtreedata.js"></script>
<script type="text/javascript" src="navtree.js"></script>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(initResizable);
/* @license-end */</script>
<link href="doxygen.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
<div id="titlearea">
<table cellspacing="0" cellpadding="0">
<tbody>
<tr style="height: 56px;">
<td id="projectalign" style="padding-left: 0.5em;">
<div id="projectname">libstdc++
</div>
</td>
</tr>
</tbody>
</table>
</div>
<!-- end header part -->
<!-- Generated by Doxygen 1.8.15 -->
</div><!-- top -->
<div id="side-nav" class="ui-resizable side-nav-resizable">
<div id="nav-tree">
<div id="nav-tree-contents">
<div id="nav-sync" class="sync"></div>
</div>
</div>
<div id="splitbar" style="-moz-user-select:none;"
class="ui-resizable-handle">
</div>
</div>
<script type="text/javascript">
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
$(document).ready(function(){initNavTree('a00479_source.html','');});
/* @license-end */
</script>
<div id="doc-content">
<div class="header">
<div class="headertitle">
<div class="title">regex_compiler.tcc</div> </div>
</div><!--header-->
<div class="contents">
<a href="a00479.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">// class template regex -*- C++ -*-</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> </div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment">// Copyright (C) 2013-2018 Free Software Foundation, Inc.</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment">//</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment">// This file is part of the GNU ISO C++ Library. This library is free</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment">// software; you can redistribute it and/or modify it under the</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment">// terms of the GNU General Public License as published by the</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment">// Free Software Foundation; either version 3, or (at your option)</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment">// any later version.</span></div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> </div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment">// This library is distributed in the hope that it will be useful,</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment">// GNU General Public License for more details.</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> </div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment">// Under Section 7 of GPL version 3, you are granted additional</span></div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment">// permissions described in the GCC Runtime Library Exception, version</span></div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment">// 3.1, as published by the Free Software Foundation.</span></div><div class="line"><a name="l00019"></a><span class="lineno"> 19</span> </div><div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment">// You should have received a copy of the GNU General Public License and</span></div><div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment">// a copy of the GCC Runtime Library Exception along with this program;</span></div><div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="comment">// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see</span></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="comment">// <http://www.gnu.org/licenses/>.</span></div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="comment"></span></div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="comment">/**</span></div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="comment"> * @file bits/regex_compiler.tcc</span></div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="comment"> * This is an internal header file, included by other library headers.</span></div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="comment"> * Do not attempt to use it directly. @headername{regex}</span></div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="comment"> */</span></div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span> </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="comment">// FIXME make comments doxygen format.</span></div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> </div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="comment">/*</span></div><div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="comment">// This compiler refers to "Regular Expression Matching Can Be Simple And Fast"</span></div><div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="comment">// (http://swtch.com/~rsc/regexp/regexp1.html),</span></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="comment">// but doesn't strictly follow it.</span></div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="comment">//</span></div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="comment">// When compiling, states are *chained* instead of tree- or graph-constructed.</span></div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="comment">// It's more like structured programs: there's if statement and loop statement.</span></div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="comment">//</span></div><div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="comment">// For alternative structure (say "a|b"), aka "if statement", two branches</span></div><div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="comment">// should be constructed. However, these two shall merge to an "end_tag" at</span></div><div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="comment">// the end of this operator:</span></div><div class="line"><a name="l00044"></a><span class="lineno"> 44</span> <span class="comment">//</span></div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="comment">// branch1</span></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> <span class="comment">// / \</span></div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="comment">// => begin_tag end_tag =></span></div><div class="line"><a name="l00048"></a><span class="lineno"> 48</span> <span class="comment">// \ /</span></div><div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="comment">// branch2</span></div><div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="comment">//</span></div><div class="line"><a name="l00051"></a><span class="lineno"> 51</span> <span class="comment">// This is the difference between this implementation and that in Russ's</span></div><div class="line"><a name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// article.</span></div><div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="comment">//</span></div><div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="comment">// That's why we introduced dummy node here ------ "end_tag" is a dummy node.</span></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="comment">// All dummy nodes will be eliminated at the end of compilation.</span></div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> <span class="comment">*/</span></div><div class="line"><a name="l00057"></a><span class="lineno"> 57</span> </div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> <span class="keyword">namespace </span><a class="code" href="a01538.html">std</a> _GLIBCXX_VISIBILITY(default)</div><div class="line"><a name="l00059"></a><span class="lineno"> 59</span> {</div><div class="line"><a name="l00060"></a><span class="lineno"> 60</span> _GLIBCXX_BEGIN_NAMESPACE_VERSION</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">namespace </span>__detail</div><div class="line"><a name="l00063"></a><span class="lineno"> 63</span> {</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  _Compiler(_IterT __b, _IterT __e,</div><div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keyword">const</span> <span class="keyword">typename</span> _TraitsT::locale_type& __loc, _FlagT __flags)</div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  : _M_flags((__flags</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  & (regex_constants::<a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">ECMAScript</a></div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  | regex_constants::<a class="code" href="a01564.html#a195f47d5fe8ab2a35c240cf7cb012b88">basic</a></div><div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  | regex_constants::<a class="code" href="a01564.html#af6c55a7ee994437667dd9b8b5a0580e0">extended</a></div><div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  | regex_constants::<a class="code" href="a01564.html#afa201fcaeca378cea22d0cb2a27dd87f">grep</a></div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  | regex_constants::<a class="code" href="a01564.html#a20359992d27c0743cae90e4bae7f8129">egrep</a></div><div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  | regex_constants::<a class="code" href="a01564.html#a1de0f54830ba2d86ca5244f8609fef2c">awk</a>))</div><div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  ? __flags</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  : __flags | regex_constants::<a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">ECMAScript</a>),</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  _M_scanner(__b, __e, _M_flags, __loc),</div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  _M_nfa(<a class="code" href="a01472.html#ga1f3ad1c876ee5b203367e06d74fe0bf2">make_shared</a><_RegexT>(__loc, _M_flags)),</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  _M_traits(_M_nfa->_M_traits),</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  _M_ctype(<a class="code" href="a01538.html">std</a>::<a class="code" href="a01489.html#ga8c25296d7a1b85124de8ac561e8945cf">use_facet</a><_CtypeT>(__loc))</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  {</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  _StateSeqT __r(*_M_nfa, _M_nfa->_M_start());</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  __r._M_append(_M_nfa->_M_insert_subexpr_begin());</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  this->_M_disjunction();</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_eof))</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  __throw_regex_error(<a class="code" href="a01564.html#a828988901e2b5aafb2ad06adde9e581b">regex_constants::error_paren</a>);</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  __r._M_append(_M_pop());</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  __glibcxx_assert(_M_stack.<a class="code" href="a07788.html#a86e3c205d6100cd4bb98b4b7e36bb35e">empty</a>());</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  __r._M_append(_M_nfa->_M_insert_subexpr_end());</div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  __r._M_append(_M_nfa->_M_insert_accept());</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  _M_nfa->_M_eliminate_dummy();</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  }</div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span> </div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  _M_disjunction()</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  {</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span>  this->_M_alternative();</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">while</span> (_M_match_token(_ScannerT::_S_token_or))</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  _StateSeqT __alt1 = _M_pop();</div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  this->_M_alternative();</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  _StateSeqT __alt2 = _M_pop();</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keyword">auto</span> __end = _M_nfa->_M_insert_dummy();</div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  __alt1._M_append(__end);</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  __alt2._M_append(__end);</div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="comment">// __alt2 is state._M_next, __alt1 is state._M_alt. The executor</span></div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="comment">// executes _M_alt before _M_next, as well as executing left</span></div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="comment">// alternative before right one.</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  _M_stack.push(_StateSeqT(*_M_nfa,</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  _M_nfa->_M_insert_alt(</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  __alt2._M_start, __alt1._M_start, <span class="keyword">false</span>),</div><div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  __end));</div><div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  }</div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> </div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  _M_alternative()</div><div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  {</div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keywordflow">if</span> (this->_M_term())</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  {</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  _StateSeqT __re = _M_pop();</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span>  this->_M_alternative();</div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  __re._M_append(_M_pop());</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  _M_stack.push(__re);</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  }</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  _M_stack.push(_StateSeqT(*_M_nfa, _M_nfa->_M_insert_dummy()));</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  }</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  _M_term()</div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  {</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> (this->_M_assertion())</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  <span class="keywordflow">if</span> (this->_M_atom())</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  {</div><div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keywordflow">while</span> (this->_M_quantifier());</div><div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  }</div><div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div><div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div><div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  _M_assertion()</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  {</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_line_begin))</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span>  _M_stack.push(_StateSeqT(*_M_nfa, _M_nfa->_M_insert_line_begin()));</div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_line_end))</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  _M_stack.push(_StateSeqT(*_M_nfa, _M_nfa->_M_insert_line_end()));</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_word_bound))</div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="comment">// _M_value[0] == 'n' means it's negative, say "not word boundary".</span></div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  _M_stack.push(_StateSeqT(*_M_nfa, _M_nfa-></div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  _M_insert_word_bound(_M_value[0] == <span class="charliteral">'n'</span>)));</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_subexpr_lookahead_begin))</div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  <span class="keyword">auto</span> __neg = _M_value[0] == <span class="charliteral">'n'</span>;</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  this->_M_disjunction();</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_subexpr_end))</div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  __throw_regex_error(<a class="code" href="a01564.html#a828988901e2b5aafb2ad06adde9e581b">regex_constants::error_paren</a>,</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="stringliteral">"Parenthesis is not closed."</span>);</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  <span class="keyword">auto</span> __tmp = _M_pop();</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  __tmp._M_append(_M_nfa->_M_insert_accept());</div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  _M_stack.push(</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  _StateSeqT(</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  *_M_nfa,</div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  _M_nfa->_M_insert_lookahead(__tmp._M_start, __neg)));</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  }</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  }</div><div class="line"><a name="l00180"></a><span class="lineno"> 180</span> </div><div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  _M_quantifier()</div><div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  {</div><div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <span class="keywordtype">bool</span> __neg = (_M_flags & <a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">regex_constants::ECMAScript</a>);</div><div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <span class="keyword">auto</span> __init = [<span class="keyword">this</span>, &__neg]()</div><div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  {</div><div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <span class="keywordflow">if</span> (_M_stack.empty())</div><div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  __throw_regex_error(<a class="code" href="a01564.html#a47399faadc6f427a172a84d78945394c">regex_constants::error_badrepeat</a>,</div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  <span class="stringliteral">"Nothing to repeat before a quantifier."</span>);</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  __neg = __neg && _M_match_token(_ScannerT::_S_token_opt);</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  };</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_closure0))</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  {</div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  __init();</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keyword">auto</span> __e = _M_pop();</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  _StateSeqT __r(*_M_nfa,</div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  _M_nfa->_M_insert_repeat(_S_invalid_state_id,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  __e._M_start, __neg));</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  __e._M_append(__r);</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  _M_stack.push(__r);</div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  }</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_closure1))</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  {</div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  __init();</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">auto</span> __e = _M_pop();</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  __e._M_append(_M_nfa->_M_insert_repeat(_S_invalid_state_id,</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  __e._M_start, __neg));</div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  _M_stack.push(__e);</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  }</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_opt))</div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  {</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  __init();</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  <span class="keyword">auto</span> __e = _M_pop();</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <span class="keyword">auto</span> __end = _M_nfa->_M_insert_dummy();</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  _StateSeqT __r(*_M_nfa,</div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  _M_nfa->_M_insert_repeat(_S_invalid_state_id,</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span>  __e._M_start, __neg));</div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  __e._M_append(__end);</div><div class="line"><a name="l00221"></a><span class="lineno"> 221</span>  __r._M_append(__end);</div><div class="line"><a name="l00222"></a><span class="lineno"> 222</span>  _M_stack.push(__r);</div><div class="line"><a name="l00223"></a><span class="lineno"> 223</span>  }</div><div class="line"><a name="l00224"></a><span class="lineno"> 224</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_interval_begin))</div><div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  {</div><div class="line"><a name="l00226"></a><span class="lineno"> 226</span>  <span class="keywordflow">if</span> (_M_stack.empty())</div><div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  __throw_regex_error(<a class="code" href="a01564.html#a47399faadc6f427a172a84d78945394c">regex_constants::error_badrepeat</a>,</div><div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="stringliteral">"Nothing to repeat before a quantifier."</span>);</div><div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_dup_count))</div><div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  __throw_regex_error(<a class="code" href="a01564.html#a272600147c8274c0d78fcda6b53eb0c6">regex_constants::error_badbrace</a>,</div><div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  <span class="stringliteral">"Unexpected token in brace expression."</span>);</div><div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  _StateSeqT __r(_M_pop());</div><div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  _StateSeqT __e(*_M_nfa, _M_nfa->_M_insert_dummy());</div><div class="line"><a name="l00234"></a><span class="lineno"> 234</span>  <span class="keywordtype">long</span> __min_rep = _M_cur_int_value(10);</div><div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  <span class="keywordtype">bool</span> __infi = <span class="keyword">false</span>;</div><div class="line"><a name="l00236"></a><span class="lineno"> 236</span>  <span class="keywordtype">long</span> __n;</div><div class="line"><a name="l00237"></a><span class="lineno"> 237</span> </div><div class="line"><a name="l00238"></a><span class="lineno"> 238</span>  <span class="comment">// {3</span></div><div class="line"><a name="l00239"></a><span class="lineno"> 239</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_comma))</div><div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_dup_count)) <span class="comment">// {3,7}</span></div><div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  __n = _M_cur_int_value(10) - __min_rep;</div><div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  __infi = <span class="keyword">true</span>;</div><div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  __n = 0;</div><div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_interval_end))</div><div class="line"><a name="l00247"></a><span class="lineno"> 247</span>  __throw_regex_error(<a class="code" href="a01564.html#a23b6569c17f71c8b1c00b515b8e02a0d">regex_constants::error_brace</a>,</div><div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  <span class="stringliteral">"Unexpected end of brace expression."</span>);</div><div class="line"><a name="l00249"></a><span class="lineno"> 249</span> </div><div class="line"><a name="l00250"></a><span class="lineno"> 250</span>  __neg = __neg && _M_match_token(_ScannerT::_S_token_opt);</div><div class="line"><a name="l00251"></a><span class="lineno"> 251</span> </div><div class="line"><a name="l00252"></a><span class="lineno"> 252</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> __i = 0; __i < __min_rep; ++__i)</div><div class="line"><a name="l00253"></a><span class="lineno"> 253</span>  __e._M_append(__r._M_clone());</div><div class="line"><a name="l00254"></a><span class="lineno"> 254</span> </div><div class="line"><a name="l00255"></a><span class="lineno"> 255</span>  <span class="keywordflow">if</span> (__infi)</div><div class="line"><a name="l00256"></a><span class="lineno"> 256</span>  {</div><div class="line"><a name="l00257"></a><span class="lineno"> 257</span>  <span class="keyword">auto</span> __tmp = __r._M_clone();</div><div class="line"><a name="l00258"></a><span class="lineno"> 258</span>  _StateSeqT __s(*_M_nfa,</div><div class="line"><a name="l00259"></a><span class="lineno"> 259</span>  _M_nfa->_M_insert_repeat(_S_invalid_state_id,</div><div class="line"><a name="l00260"></a><span class="lineno"> 260</span>  __tmp._M_start, __neg));</div><div class="line"><a name="l00261"></a><span class="lineno"> 261</span>  __tmp._M_append(__s);</div><div class="line"><a name="l00262"></a><span class="lineno"> 262</span>  __e._M_append(__s);</div><div class="line"><a name="l00263"></a><span class="lineno"> 263</span>  }</div><div class="line"><a name="l00264"></a><span class="lineno"> 264</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00265"></a><span class="lineno"> 265</span>  {</div><div class="line"><a name="l00266"></a><span class="lineno"> 266</span>  <span class="keywordflow">if</span> (__n < 0)</div><div class="line"><a name="l00267"></a><span class="lineno"> 267</span>  __throw_regex_error(<a class="code" href="a01564.html#a272600147c8274c0d78fcda6b53eb0c6">regex_constants::error_badbrace</a>,</div><div class="line"><a name="l00268"></a><span class="lineno"> 268</span>  <span class="stringliteral">"Invalid range in brace expression."</span>);</div><div class="line"><a name="l00269"></a><span class="lineno"> 269</span>  <span class="keyword">auto</span> __end = _M_nfa->_M_insert_dummy();</div><div class="line"><a name="l00270"></a><span class="lineno"> 270</span>  <span class="comment">// _M_alt is the "match more" branch, and _M_next is the</span></div><div class="line"><a name="l00271"></a><span class="lineno"> 271</span>  <span class="comment">// "match less" one. Switch _M_alt and _M_next of all created</span></div><div class="line"><a name="l00272"></a><span class="lineno"> 272</span>  <span class="comment">// nodes. This is a hack but IMO works well.</span></div><div class="line"><a name="l00273"></a><span class="lineno"> 273</span>  <a class="code" href="a07788.html">std::stack<_StateIdT></a> __stack;</div><div class="line"><a name="l00274"></a><span class="lineno"> 274</span>  <span class="keywordflow">for</span> (<span class="keywordtype">long</span> __i = 0; __i < __n; ++__i)</div><div class="line"><a name="l00275"></a><span class="lineno"> 275</span>  {</div><div class="line"><a name="l00276"></a><span class="lineno"> 276</span>  <span class="keyword">auto</span> __tmp = __r._M_clone();</div><div class="line"><a name="l00277"></a><span class="lineno"> 277</span>  <span class="keyword">auto</span> __alt = _M_nfa->_M_insert_repeat(__tmp._M_start,</div><div class="line"><a name="l00278"></a><span class="lineno"> 278</span>  __end, __neg);</div><div class="line"><a name="l00279"></a><span class="lineno"> 279</span>  __stack.<a class="code" href="a07788.html#a7efe15f8159c166b68a24486ec561608">push</a>(__alt);</div><div class="line"><a name="l00280"></a><span class="lineno"> 280</span>  __e._M_append(_StateSeqT(*_M_nfa, __alt, __tmp._M_end));</div><div class="line"><a name="l00281"></a><span class="lineno"> 281</span>  }</div><div class="line"><a name="l00282"></a><span class="lineno"> 282</span>  __e._M_append(__end);</div><div class="line"><a name="l00283"></a><span class="lineno"> 283</span>  <span class="keywordflow">while</span> (!__stack.<a class="code" href="a07788.html#a86e3c205d6100cd4bb98b4b7e36bb35e">empty</a>())</div><div class="line"><a name="l00284"></a><span class="lineno"> 284</span>  {</div><div class="line"><a name="l00285"></a><span class="lineno"> 285</span>  <span class="keyword">auto</span>& __tmp = (*_M_nfa)[__stack.<a class="code" href="a07788.html#adc6f199f89b9bcf05884bcfcf96e18ea">top</a>()];</div><div class="line"><a name="l00286"></a><span class="lineno"> 286</span>  __stack.<a class="code" href="a07788.html#a16b93d714717c5af52a14ebd6fec11b7">pop</a>();</div><div class="line"><a name="l00287"></a><span class="lineno"> 287</span>  std::swap(__tmp._M_next, __tmp._M_alt);</div><div class="line"><a name="l00288"></a><span class="lineno"> 288</span>  }</div><div class="line"><a name="l00289"></a><span class="lineno"> 289</span>  }</div><div class="line"><a name="l00290"></a><span class="lineno"> 290</span>  _M_stack.push(__e);</div><div class="line"><a name="l00291"></a><span class="lineno"> 291</span>  }</div><div class="line"><a name="l00292"></a><span class="lineno"> 292</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00293"></a><span class="lineno"> 293</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00294"></a><span class="lineno"> 294</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00295"></a><span class="lineno"> 295</span>  }</div><div class="line"><a name="l00296"></a><span class="lineno"> 296</span> </div><div class="line"><a name="l00297"></a><span class="lineno"> 297</span> <span class="preprocessor">#define __INSERT_REGEX_MATCHER(__func, ...)\</span></div><div class="line"><a name="l00298"></a><span class="lineno"> 298</span> <span class="preprocessor"> do {\</span></div><div class="line"><a name="l00299"></a><span class="lineno"> 299</span> <span class="preprocessor"> if (!(_M_flags & regex_constants::icase))\</span></div><div class="line"><a name="l00300"></a><span class="lineno"> 300</span> <span class="preprocessor"> if (!(_M_flags & regex_constants::collate))\</span></div><div class="line"><a name="l00301"></a><span class="lineno"> 301</span> <span class="preprocessor"> __func<false, false>(__VA_ARGS__);\</span></div><div class="line"><a name="l00302"></a><span class="lineno"> 302</span> <span class="preprocessor"> else\</span></div><div class="line"><a name="l00303"></a><span class="lineno"> 303</span> <span class="preprocessor"> __func<false, true>(__VA_ARGS__);\</span></div><div class="line"><a name="l00304"></a><span class="lineno"> 304</span> <span class="preprocessor"> else\</span></div><div class="line"><a name="l00305"></a><span class="lineno"> 305</span> <span class="preprocessor"> if (!(_M_flags & regex_constants::collate))\</span></div><div class="line"><a name="l00306"></a><span class="lineno"> 306</span> <span class="preprocessor"> __func<true, false>(__VA_ARGS__);\</span></div><div class="line"><a name="l00307"></a><span class="lineno"> 307</span> <span class="preprocessor"> else\</span></div><div class="line"><a name="l00308"></a><span class="lineno"> 308</span> <span class="preprocessor"> __func<true, true>(__VA_ARGS__);\</span></div><div class="line"><a name="l00309"></a><span class="lineno"> 309</span> <span class="preprocessor"> } while (false)</span></div><div class="line"><a name="l00310"></a><span class="lineno"> 310</span> </div><div class="line"><a name="l00311"></a><span class="lineno"> 311</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00312"></a><span class="lineno"> 312</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00313"></a><span class="lineno"> 313</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00314"></a><span class="lineno"> 314</span>  _M_atom()</div><div class="line"><a name="l00315"></a><span class="lineno"> 315</span>  {</div><div class="line"><a name="l00316"></a><span class="lineno"> 316</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_anychar))</div><div class="line"><a name="l00317"></a><span class="lineno"> 317</span>  {</div><div class="line"><a name="l00318"></a><span class="lineno"> 318</span>  <span class="keywordflow">if</span> (!(_M_flags & <a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">regex_constants::ECMAScript</a>))</div><div class="line"><a name="l00319"></a><span class="lineno"> 319</span>  __INSERT_REGEX_MATCHER(_M_insert_any_matcher_posix);</div><div class="line"><a name="l00320"></a><span class="lineno"> 320</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00321"></a><span class="lineno"> 321</span>  __INSERT_REGEX_MATCHER(_M_insert_any_matcher_ecma);</div><div class="line"><a name="l00322"></a><span class="lineno"> 322</span>  }</div><div class="line"><a name="l00323"></a><span class="lineno"> 323</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_try_char())</div><div class="line"><a name="l00324"></a><span class="lineno"> 324</span>  __INSERT_REGEX_MATCHER(_M_insert_char_matcher);</div><div class="line"><a name="l00325"></a><span class="lineno"> 325</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_backref))</div><div class="line"><a name="l00326"></a><span class="lineno"> 326</span>  _M_stack.push(_StateSeqT(*_M_nfa, _M_nfa-></div><div class="line"><a name="l00327"></a><span class="lineno"> 327</span>  _M_insert_backref(_M_cur_int_value(10))));</div><div class="line"><a name="l00328"></a><span class="lineno"> 328</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_quoted_class))</div><div class="line"><a name="l00329"></a><span class="lineno"> 329</span>  __INSERT_REGEX_MATCHER(_M_insert_character_class_matcher);</div><div class="line"><a name="l00330"></a><span class="lineno"> 330</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_subexpr_no_group_begin))</div><div class="line"><a name="l00331"></a><span class="lineno"> 331</span>  {</div><div class="line"><a name="l00332"></a><span class="lineno"> 332</span>  _StateSeqT __r(*_M_nfa, _M_nfa->_M_insert_dummy());</div><div class="line"><a name="l00333"></a><span class="lineno"> 333</span>  this->_M_disjunction();</div><div class="line"><a name="l00334"></a><span class="lineno"> 334</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_subexpr_end))</div><div class="line"><a name="l00335"></a><span class="lineno"> 335</span>  __throw_regex_error(<a class="code" href="a01564.html#a828988901e2b5aafb2ad06adde9e581b">regex_constants::error_paren</a>,</div><div class="line"><a name="l00336"></a><span class="lineno"> 336</span>  <span class="stringliteral">"Parenthesis is not closed."</span>);</div><div class="line"><a name="l00337"></a><span class="lineno"> 337</span>  __r._M_append(_M_pop());</div><div class="line"><a name="l00338"></a><span class="lineno"> 338</span>  _M_stack.push(__r);</div><div class="line"><a name="l00339"></a><span class="lineno"> 339</span>  }</div><div class="line"><a name="l00340"></a><span class="lineno"> 340</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_subexpr_begin))</div><div class="line"><a name="l00341"></a><span class="lineno"> 341</span>  {</div><div class="line"><a name="l00342"></a><span class="lineno"> 342</span>  _StateSeqT __r(*_M_nfa, _M_nfa->_M_insert_subexpr_begin());</div><div class="line"><a name="l00343"></a><span class="lineno"> 343</span>  this->_M_disjunction();</div><div class="line"><a name="l00344"></a><span class="lineno"> 344</span>  <span class="keywordflow">if</span> (!_M_match_token(_ScannerT::_S_token_subexpr_end))</div><div class="line"><a name="l00345"></a><span class="lineno"> 345</span>  __throw_regex_error(<a class="code" href="a01564.html#a828988901e2b5aafb2ad06adde9e581b">regex_constants::error_paren</a>,</div><div class="line"><a name="l00346"></a><span class="lineno"> 346</span>  <span class="stringliteral">"Parenthesis is not closed."</span>);</div><div class="line"><a name="l00347"></a><span class="lineno"> 347</span>  __r._M_append(_M_pop());</div><div class="line"><a name="l00348"></a><span class="lineno"> 348</span>  __r._M_append(_M_nfa->_M_insert_subexpr_end());</div><div class="line"><a name="l00349"></a><span class="lineno"> 349</span>  _M_stack.push(__r);</div><div class="line"><a name="l00350"></a><span class="lineno"> 350</span>  }</div><div class="line"><a name="l00351"></a><span class="lineno"> 351</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!_M_bracket_expression())</div><div class="line"><a name="l00352"></a><span class="lineno"> 352</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00353"></a><span class="lineno"> 353</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00354"></a><span class="lineno"> 354</span>  }</div><div class="line"><a name="l00355"></a><span class="lineno"> 355</span> </div><div class="line"><a name="l00356"></a><span class="lineno"> 356</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00357"></a><span class="lineno"> 357</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00358"></a><span class="lineno"> 358</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00359"></a><span class="lineno"> 359</span>  _M_bracket_expression()</div><div class="line"><a name="l00360"></a><span class="lineno"> 360</span>  {</div><div class="line"><a name="l00361"></a><span class="lineno"> 361</span>  <span class="keywordtype">bool</span> __neg =</div><div class="line"><a name="l00362"></a><span class="lineno"> 362</span>  _M_match_token(_ScannerT::_S_token_bracket_neg_begin);</div><div class="line"><a name="l00363"></a><span class="lineno"> 363</span>  <span class="keywordflow">if</span> (!(__neg || _M_match_token(_ScannerT::_S_token_bracket_begin)))</div><div class="line"><a name="l00364"></a><span class="lineno"> 364</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00365"></a><span class="lineno"> 365</span>  __INSERT_REGEX_MATCHER(_M_insert_bracket_matcher, __neg);</div><div class="line"><a name="l00366"></a><span class="lineno"> 366</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00367"></a><span class="lineno"> 367</span>  }</div><div class="line"><a name="l00368"></a><span class="lineno"> 368</span> <span class="preprocessor">#undef __INSERT_REGEX_MATCHER</span></div><div class="line"><a name="l00369"></a><span class="lineno"> 369</span> </div><div class="line"><a name="l00370"></a><span class="lineno"> 370</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00371"></a><span class="lineno"> 371</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00372"></a><span class="lineno"> 372</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00373"></a><span class="lineno"> 373</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00374"></a><span class="lineno"> 374</span>  _M_insert_any_matcher_ecma()</div><div class="line"><a name="l00375"></a><span class="lineno"> 375</span>  {</div><div class="line"><a name="l00376"></a><span class="lineno"> 376</span>  _M_stack.push(_StateSeqT(*_M_nfa,</div><div class="line"><a name="l00377"></a><span class="lineno"> 377</span>  _M_nfa->_M_insert_matcher</div><div class="line"><a name="l00378"></a><span class="lineno"> 378</span>  (_AnyMatcher<_TraitsT, true, __icase, __collate></div><div class="line"><a name="l00379"></a><span class="lineno"> 379</span>  (_M_traits))));</div><div class="line"><a name="l00380"></a><span class="lineno"> 380</span>  }</div><div class="line"><a name="l00381"></a><span class="lineno"> 381</span> </div><div class="line"><a name="l00382"></a><span class="lineno"> 382</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00383"></a><span class="lineno"> 383</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00384"></a><span class="lineno"> 384</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00385"></a><span class="lineno"> 385</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00386"></a><span class="lineno"> 386</span>  _M_insert_any_matcher_posix()</div><div class="line"><a name="l00387"></a><span class="lineno"> 387</span>  {</div><div class="line"><a name="l00388"></a><span class="lineno"> 388</span>  _M_stack.push(_StateSeqT(*_M_nfa,</div><div class="line"><a name="l00389"></a><span class="lineno"> 389</span>  _M_nfa->_M_insert_matcher</div><div class="line"><a name="l00390"></a><span class="lineno"> 390</span>  (_AnyMatcher<_TraitsT, false, __icase, __collate></div><div class="line"><a name="l00391"></a><span class="lineno"> 391</span>  (_M_traits))));</div><div class="line"><a name="l00392"></a><span class="lineno"> 392</span>  }</div><div class="line"><a name="l00393"></a><span class="lineno"> 393</span> </div><div class="line"><a name="l00394"></a><span class="lineno"> 394</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00395"></a><span class="lineno"> 395</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00396"></a><span class="lineno"> 396</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00397"></a><span class="lineno"> 397</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00398"></a><span class="lineno"> 398</span>  _M_insert_char_matcher()</div><div class="line"><a name="l00399"></a><span class="lineno"> 399</span>  {</div><div class="line"><a name="l00400"></a><span class="lineno"> 400</span>  _M_stack.push(_StateSeqT(*_M_nfa,</div><div class="line"><a name="l00401"></a><span class="lineno"> 401</span>  _M_nfa->_M_insert_matcher</div><div class="line"><a name="l00402"></a><span class="lineno"> 402</span>  (_CharMatcher<_TraitsT, __icase, __collate></div><div class="line"><a name="l00403"></a><span class="lineno"> 403</span>  (_M_value[0], _M_traits))));</div><div class="line"><a name="l00404"></a><span class="lineno"> 404</span>  }</div><div class="line"><a name="l00405"></a><span class="lineno"> 405</span> </div><div class="line"><a name="l00406"></a><span class="lineno"> 406</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00407"></a><span class="lineno"> 407</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00408"></a><span class="lineno"> 408</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00409"></a><span class="lineno"> 409</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00410"></a><span class="lineno"> 410</span>  _M_insert_character_class_matcher()</div><div class="line"><a name="l00411"></a><span class="lineno"> 411</span>  {</div><div class="line"><a name="l00412"></a><span class="lineno"> 412</span>  __glibcxx_assert(_M_value.size() == 1);</div><div class="line"><a name="l00413"></a><span class="lineno"> 413</span>  _BracketMatcher<_TraitsT, __icase, __collate> __matcher</div><div class="line"><a name="l00414"></a><span class="lineno"> 414</span>  (_M_ctype.is(_CtypeT::upper, _M_value[0]), _M_traits);</div><div class="line"><a name="l00415"></a><span class="lineno"> 415</span>  __matcher._M_add_character_class(_M_value, <span class="keyword">false</span>);</div><div class="line"><a name="l00416"></a><span class="lineno"> 416</span>  __matcher._M_ready();</div><div class="line"><a name="l00417"></a><span class="lineno"> 417</span>  _M_stack.push(_StateSeqT(*_M_nfa,</div><div class="line"><a name="l00418"></a><span class="lineno"> 418</span>  _M_nfa->_M_insert_matcher(std::move(__matcher))));</div><div class="line"><a name="l00419"></a><span class="lineno"> 419</span>  }</div><div class="line"><a name="l00420"></a><span class="lineno"> 420</span> </div><div class="line"><a name="l00421"></a><span class="lineno"> 421</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00422"></a><span class="lineno"> 422</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00423"></a><span class="lineno"> 423</span>  <span class="keywordtype">void</span></div><div class="line"><a name="l00424"></a><span class="lineno"> 424</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00425"></a><span class="lineno"> 425</span>  _M_insert_bracket_matcher(<span class="keywordtype">bool</span> __neg)</div><div class="line"><a name="l00426"></a><span class="lineno"> 426</span>  {</div><div class="line"><a name="l00427"></a><span class="lineno"> 427</span>  _BracketMatcher<_TraitsT, __icase, __collate> __matcher(__neg, _M_traits);</div><div class="line"><a name="l00428"></a><span class="lineno"> 428</span>  pair<bool, _CharT> __last_char; <span class="comment">// Optional<_CharT></span></div><div class="line"><a name="l00429"></a><span class="lineno"> 429</span>  __last_char.first = <span class="keyword">false</span>;</div><div class="line"><a name="l00430"></a><span class="lineno"> 430</span>  <span class="keywordflow">if</span> (!(_M_flags & <a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">regex_constants::ECMAScript</a>))</div><div class="line"><a name="l00431"></a><span class="lineno"> 431</span>  {</div><div class="line"><a name="l00432"></a><span class="lineno"> 432</span>  <span class="keywordflow">if</span> (_M_try_char())</div><div class="line"><a name="l00433"></a><span class="lineno"> 433</span>  {</div><div class="line"><a name="l00434"></a><span class="lineno"> 434</span>  __last_char.first = <span class="keyword">true</span>;</div><div class="line"><a name="l00435"></a><span class="lineno"> 435</span>  __last_char.second = _M_value[0];</div><div class="line"><a name="l00436"></a><span class="lineno"> 436</span>  }</div><div class="line"><a name="l00437"></a><span class="lineno"> 437</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_bracket_dash))</div><div class="line"><a name="l00438"></a><span class="lineno"> 438</span>  {</div><div class="line"><a name="l00439"></a><span class="lineno"> 439</span>  __last_char.first = <span class="keyword">true</span>;</div><div class="line"><a name="l00440"></a><span class="lineno"> 440</span>  __last_char.second = <span class="charliteral">'-'</span>;</div><div class="line"><a name="l00441"></a><span class="lineno"> 441</span>  }</div><div class="line"><a name="l00442"></a><span class="lineno"> 442</span>  }</div><div class="line"><a name="l00443"></a><span class="lineno"> 443</span>  <span class="keywordflow">while</span> (_M_expression_term(__last_char, __matcher));</div><div class="line"><a name="l00444"></a><span class="lineno"> 444</span>  <span class="keywordflow">if</span> (__last_char.first)</div><div class="line"><a name="l00445"></a><span class="lineno"> 445</span>  __matcher._M_add_char(__last_char.second);</div><div class="line"><a name="l00446"></a><span class="lineno"> 446</span>  __matcher._M_ready();</div><div class="line"><a name="l00447"></a><span class="lineno"> 447</span>  _M_stack.push(_StateSeqT(</div><div class="line"><a name="l00448"></a><span class="lineno"> 448</span>  *_M_nfa,</div><div class="line"><a name="l00449"></a><span class="lineno"> 449</span>  _M_nfa->_M_insert_matcher(std::move(__matcher))));</div><div class="line"><a name="l00450"></a><span class="lineno"> 450</span>  }</div><div class="line"><a name="l00451"></a><span class="lineno"> 451</span> </div><div class="line"><a name="l00452"></a><span class="lineno"> 452</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00453"></a><span class="lineno"> 453</span>  <span class="keyword">template</span><<span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00454"></a><span class="lineno"> 454</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00455"></a><span class="lineno"> 455</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00456"></a><span class="lineno"> 456</span>  _M_expression_term(pair<bool, _CharT>& __last_char,</div><div class="line"><a name="l00457"></a><span class="lineno"> 457</span>  _BracketMatcher<_TraitsT, __icase, __collate>& __matcher)</div><div class="line"><a name="l00458"></a><span class="lineno"> 458</span>  {</div><div class="line"><a name="l00459"></a><span class="lineno"> 459</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_bracket_end))</div><div class="line"><a name="l00460"></a><span class="lineno"> 460</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00461"></a><span class="lineno"> 461</span> </div><div class="line"><a name="l00462"></a><span class="lineno"> 462</span>  <span class="keyword">const</span> <span class="keyword">auto</span> __push_char = [&](_CharT __ch)</div><div class="line"><a name="l00463"></a><span class="lineno"> 463</span>  {</div><div class="line"><a name="l00464"></a><span class="lineno"> 464</span>  <span class="keywordflow">if</span> (__last_char.first)</div><div class="line"><a name="l00465"></a><span class="lineno"> 465</span>  __matcher._M_add_char(__last_char.second);</div><div class="line"><a name="l00466"></a><span class="lineno"> 466</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00467"></a><span class="lineno"> 467</span>  __last_char.first = <span class="keyword">true</span>;</div><div class="line"><a name="l00468"></a><span class="lineno"> 468</span>  __last_char.second = __ch;</div><div class="line"><a name="l00469"></a><span class="lineno"> 469</span>  };</div><div class="line"><a name="l00470"></a><span class="lineno"> 470</span>  <span class="keyword">const</span> <span class="keyword">auto</span> __flush = [&]</div><div class="line"><a name="l00471"></a><span class="lineno"> 471</span>  {</div><div class="line"><a name="l00472"></a><span class="lineno"> 472</span>  <span class="keywordflow">if</span> (__last_char.first)</div><div class="line"><a name="l00473"></a><span class="lineno"> 473</span>  {</div><div class="line"><a name="l00474"></a><span class="lineno"> 474</span>  __matcher._M_add_char(__last_char.second);</div><div class="line"><a name="l00475"></a><span class="lineno"> 475</span>  __last_char.first = <span class="keyword">false</span>;</div><div class="line"><a name="l00476"></a><span class="lineno"> 476</span>  }</div><div class="line"><a name="l00477"></a><span class="lineno"> 477</span>  };</div><div class="line"><a name="l00478"></a><span class="lineno"> 478</span> </div><div class="line"><a name="l00479"></a><span class="lineno"> 479</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_collsymbol))</div><div class="line"><a name="l00480"></a><span class="lineno"> 480</span>  {</div><div class="line"><a name="l00481"></a><span class="lineno"> 481</span>  <span class="keyword">auto</span> __symbol = __matcher._M_add_collate_element(_M_value);</div><div class="line"><a name="l00482"></a><span class="lineno"> 482</span>  <span class="keywordflow">if</span> (__symbol.size() == 1)</div><div class="line"><a name="l00483"></a><span class="lineno"> 483</span>  __push_char(__symbol[0]);</div><div class="line"><a name="l00484"></a><span class="lineno"> 484</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00485"></a><span class="lineno"> 485</span>  __flush();</div><div class="line"><a name="l00486"></a><span class="lineno"> 486</span>  }</div><div class="line"><a name="l00487"></a><span class="lineno"> 487</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_equiv_class_name))</div><div class="line"><a name="l00488"></a><span class="lineno"> 488</span>  {</div><div class="line"><a name="l00489"></a><span class="lineno"> 489</span>  __flush();</div><div class="line"><a name="l00490"></a><span class="lineno"> 490</span>  __matcher._M_add_equivalence_class(_M_value);</div><div class="line"><a name="l00491"></a><span class="lineno"> 491</span>  }</div><div class="line"><a name="l00492"></a><span class="lineno"> 492</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_char_class_name))</div><div class="line"><a name="l00493"></a><span class="lineno"> 493</span>  {</div><div class="line"><a name="l00494"></a><span class="lineno"> 494</span>  __flush();</div><div class="line"><a name="l00495"></a><span class="lineno"> 495</span>  __matcher._M_add_character_class(_M_value, <span class="keyword">false</span>);</div><div class="line"><a name="l00496"></a><span class="lineno"> 496</span>  }</div><div class="line"><a name="l00497"></a><span class="lineno"> 497</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_try_char())</div><div class="line"><a name="l00498"></a><span class="lineno"> 498</span>  __push_char(_M_value[0]);</div><div class="line"><a name="l00499"></a><span class="lineno"> 499</span>  <span class="comment">// POSIX doesn't allow '-' as a start-range char (say [a-z--0]),</span></div><div class="line"><a name="l00500"></a><span class="lineno"> 500</span>  <span class="comment">// except when the '-' is the first or last character in the bracket</span></div><div class="line"><a name="l00501"></a><span class="lineno"> 501</span>  <span class="comment">// expression ([--0]). ECMAScript treats all '-' after a range as a</span></div><div class="line"><a name="l00502"></a><span class="lineno"> 502</span>  <span class="comment">// normal character. Also see above, where _M_expression_term gets called.</span></div><div class="line"><a name="l00503"></a><span class="lineno"> 503</span>  <span class="comment">//</span></div><div class="line"><a name="l00504"></a><span class="lineno"> 504</span>  <span class="comment">// As a result, POSIX rejects [-----], but ECMAScript doesn't.</span></div><div class="line"><a name="l00505"></a><span class="lineno"> 505</span>  <span class="comment">// Boost (1.57.0) always uses POSIX style even in its ECMAScript syntax.</span></div><div class="line"><a name="l00506"></a><span class="lineno"> 506</span>  <span class="comment">// Clang (3.5) always uses ECMAScript style even in its POSIX syntax.</span></div><div class="line"><a name="l00507"></a><span class="lineno"> 507</span>  <span class="comment">//</span></div><div class="line"><a name="l00508"></a><span class="lineno"> 508</span>  <span class="comment">// It turns out that no one reads BNFs ;)</span></div><div class="line"><a name="l00509"></a><span class="lineno"> 509</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_bracket_dash))</div><div class="line"><a name="l00510"></a><span class="lineno"> 510</span>  {</div><div class="line"><a name="l00511"></a><span class="lineno"> 511</span>  <span class="keywordflow">if</span> (!__last_char.first)</div><div class="line"><a name="l00512"></a><span class="lineno"> 512</span>  {</div><div class="line"><a name="l00513"></a><span class="lineno"> 513</span>  <span class="keywordflow">if</span> (!(_M_flags & <a class="code" href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">regex_constants::ECMAScript</a>))</div><div class="line"><a name="l00514"></a><span class="lineno"> 514</span>  {</div><div class="line"><a name="l00515"></a><span class="lineno"> 515</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_bracket_end))</div><div class="line"><a name="l00516"></a><span class="lineno"> 516</span>  {</div><div class="line"><a name="l00517"></a><span class="lineno"> 517</span>  __push_char(<span class="charliteral">'-'</span>);</div><div class="line"><a name="l00518"></a><span class="lineno"> 518</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00519"></a><span class="lineno"> 519</span>  }</div><div class="line"><a name="l00520"></a><span class="lineno"> 520</span>  __throw_regex_error(</div><div class="line"><a name="l00521"></a><span class="lineno"> 521</span>  <a class="code" href="a01564.html#a38aa5041411e6e3d98057811eb691cd0">regex_constants::error_range</a>,</div><div class="line"><a name="l00522"></a><span class="lineno"> 522</span>  <span class="stringliteral">"Unexpected dash in bracket expression. For POSIX syntax, "</span></div><div class="line"><a name="l00523"></a><span class="lineno"> 523</span>  <span class="stringliteral">"a dash is not treated literally only when it is at "</span></div><div class="line"><a name="l00524"></a><span class="lineno"> 524</span>  <span class="stringliteral">"beginning or end."</span>);</div><div class="line"><a name="l00525"></a><span class="lineno"> 525</span>  }</div><div class="line"><a name="l00526"></a><span class="lineno"> 526</span>  __push_char(<span class="charliteral">'-'</span>);</div><div class="line"><a name="l00527"></a><span class="lineno"> 527</span>  }</div><div class="line"><a name="l00528"></a><span class="lineno"> 528</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00529"></a><span class="lineno"> 529</span>  {</div><div class="line"><a name="l00530"></a><span class="lineno"> 530</span>  <span class="keywordflow">if</span> (_M_try_char())</div><div class="line"><a name="l00531"></a><span class="lineno"> 531</span>  {</div><div class="line"><a name="l00532"></a><span class="lineno"> 532</span>  __matcher._M_make_range(__last_char.second, _M_value[0]);</div><div class="line"><a name="l00533"></a><span class="lineno"> 533</span>  __last_char.first = <span class="keyword">false</span>;</div><div class="line"><a name="l00534"></a><span class="lineno"> 534</span>  }</div><div class="line"><a name="l00535"></a><span class="lineno"> 535</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_bracket_dash))</div><div class="line"><a name="l00536"></a><span class="lineno"> 536</span>  {</div><div class="line"><a name="l00537"></a><span class="lineno"> 537</span>  __matcher._M_make_range(__last_char.second, <span class="charliteral">'-'</span>);</div><div class="line"><a name="l00538"></a><span class="lineno"> 538</span>  __last_char.first = <span class="keyword">false</span>;</div><div class="line"><a name="l00539"></a><span class="lineno"> 539</span>  }</div><div class="line"><a name="l00540"></a><span class="lineno"> 540</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00541"></a><span class="lineno"> 541</span>  {</div><div class="line"><a name="l00542"></a><span class="lineno"> 542</span>  <span class="keywordflow">if</span> (_M_scanner._M_get_token()</div><div class="line"><a name="l00543"></a><span class="lineno"> 543</span>  != _ScannerT::_S_token_bracket_end)</div><div class="line"><a name="l00544"></a><span class="lineno"> 544</span>  __throw_regex_error(</div><div class="line"><a name="l00545"></a><span class="lineno"> 545</span>  <a class="code" href="a01564.html#a38aa5041411e6e3d98057811eb691cd0">regex_constants::error_range</a>,</div><div class="line"><a name="l00546"></a><span class="lineno"> 546</span>  <span class="stringliteral">"Character is expected after a dash."</span>);</div><div class="line"><a name="l00547"></a><span class="lineno"> 547</span>  __push_char(<span class="charliteral">'-'</span>);</div><div class="line"><a name="l00548"></a><span class="lineno"> 548</span>  }</div><div class="line"><a name="l00549"></a><span class="lineno"> 549</span>  }</div><div class="line"><a name="l00550"></a><span class="lineno"> 550</span>  }</div><div class="line"><a name="l00551"></a><span class="lineno"> 551</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_quoted_class))</div><div class="line"><a name="l00552"></a><span class="lineno"> 552</span>  {</div><div class="line"><a name="l00553"></a><span class="lineno"> 553</span>  __flush();</div><div class="line"><a name="l00554"></a><span class="lineno"> 554</span>  __matcher._M_add_character_class(_M_value,</div><div class="line"><a name="l00555"></a><span class="lineno"> 555</span>  _M_ctype.is(_CtypeT::upper,</div><div class="line"><a name="l00556"></a><span class="lineno"> 556</span>  _M_value[0]));</div><div class="line"><a name="l00557"></a><span class="lineno"> 557</span>  }</div><div class="line"><a name="l00558"></a><span class="lineno"> 558</span>  <span class="keywordflow">else</span></div><div class="line"><a name="l00559"></a><span class="lineno"> 559</span>  __throw_regex_error(<a class="code" href="a01564.html#ac9ef78846632df7d0916b933191e3bcc">regex_constants::error_brack</a>,</div><div class="line"><a name="l00560"></a><span class="lineno"> 560</span>  <span class="stringliteral">"Unexpected character in bracket expression."</span>);</div><div class="line"><a name="l00561"></a><span class="lineno"> 561</span> </div><div class="line"><a name="l00562"></a><span class="lineno"> 562</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00563"></a><span class="lineno"> 563</span>  }</div><div class="line"><a name="l00564"></a><span class="lineno"> 564</span> </div><div class="line"><a name="l00565"></a><span class="lineno"> 565</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00566"></a><span class="lineno"> 566</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00567"></a><span class="lineno"> 567</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00568"></a><span class="lineno"> 568</span>  _M_try_char()</div><div class="line"><a name="l00569"></a><span class="lineno"> 569</span>  {</div><div class="line"><a name="l00570"></a><span class="lineno"> 570</span>  <span class="keywordtype">bool</span> __is_char = <span class="keyword">false</span>;</div><div class="line"><a name="l00571"></a><span class="lineno"> 571</span>  <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_oct_num))</div><div class="line"><a name="l00572"></a><span class="lineno"> 572</span>  {</div><div class="line"><a name="l00573"></a><span class="lineno"> 573</span>  __is_char = <span class="keyword">true</span>;</div><div class="line"><a name="l00574"></a><span class="lineno"> 574</span>  _M_value.assign(1, _M_cur_int_value(8));</div><div class="line"><a name="l00575"></a><span class="lineno"> 575</span>  }</div><div class="line"><a name="l00576"></a><span class="lineno"> 576</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_hex_num))</div><div class="line"><a name="l00577"></a><span class="lineno"> 577</span>  {</div><div class="line"><a name="l00578"></a><span class="lineno"> 578</span>  __is_char = <span class="keyword">true</span>;</div><div class="line"><a name="l00579"></a><span class="lineno"> 579</span>  _M_value.assign(1, _M_cur_int_value(16));</div><div class="line"><a name="l00580"></a><span class="lineno"> 580</span>  }</div><div class="line"><a name="l00581"></a><span class="lineno"> 581</span>  <span class="keywordflow">else</span> <span class="keywordflow">if</span> (_M_match_token(_ScannerT::_S_token_ord_char))</div><div class="line"><a name="l00582"></a><span class="lineno"> 582</span>  __is_char = <span class="keyword">true</span>;</div><div class="line"><a name="l00583"></a><span class="lineno"> 583</span>  <span class="keywordflow">return</span> __is_char;</div><div class="line"><a name="l00584"></a><span class="lineno"> 584</span>  }</div><div class="line"><a name="l00585"></a><span class="lineno"> 585</span> </div><div class="line"><a name="l00586"></a><span class="lineno"> 586</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00587"></a><span class="lineno"> 587</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00588"></a><span class="lineno"> 588</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00589"></a><span class="lineno"> 589</span>  _M_match_token(_TokenT token)</div><div class="line"><a name="l00590"></a><span class="lineno"> 590</span>  {</div><div class="line"><a name="l00591"></a><span class="lineno"> 591</span>  <span class="keywordflow">if</span> (token == _M_scanner._M_get_token())</div><div class="line"><a name="l00592"></a><span class="lineno"> 592</span>  {</div><div class="line"><a name="l00593"></a><span class="lineno"> 593</span>  _M_value = _M_scanner._M_get_value();</div><div class="line"><a name="l00594"></a><span class="lineno"> 594</span>  _M_scanner._M_advance();</div><div class="line"><a name="l00595"></a><span class="lineno"> 595</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00596"></a><span class="lineno"> 596</span>  }</div><div class="line"><a name="l00597"></a><span class="lineno"> 597</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00598"></a><span class="lineno"> 598</span>  }</div><div class="line"><a name="l00599"></a><span class="lineno"> 599</span> </div><div class="line"><a name="l00600"></a><span class="lineno"> 600</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT></div><div class="line"><a name="l00601"></a><span class="lineno"> 601</span>  <span class="keywordtype">int</span></div><div class="line"><a name="l00602"></a><span class="lineno"> 602</span>  _Compiler<_TraitsT>::</div><div class="line"><a name="l00603"></a><span class="lineno"> 603</span>  _M_cur_int_value(<span class="keywordtype">int</span> __radix)</div><div class="line"><a name="l00604"></a><span class="lineno"> 604</span>  {</div><div class="line"><a name="l00605"></a><span class="lineno"> 605</span>  <span class="keywordtype">long</span> __v = 0;</div><div class="line"><a name="l00606"></a><span class="lineno"> 606</span>  <span class="keywordflow">for</span> (<span class="keyword">typename</span> _StringT::size_type __i = 0;</div><div class="line"><a name="l00607"></a><span class="lineno"> 607</span>  __i < _M_value.length(); ++__i)</div><div class="line"><a name="l00608"></a><span class="lineno"> 608</span>  __v =__v * __radix + _M_traits.value(_M_value[__i], __radix);</div><div class="line"><a name="l00609"></a><span class="lineno"> 609</span>  <span class="keywordflow">return</span> __v;</div><div class="line"><a name="l00610"></a><span class="lineno"> 610</span>  }</div><div class="line"><a name="l00611"></a><span class="lineno"> 611</span> </div><div class="line"><a name="l00612"></a><span class="lineno"> 612</span>  <span class="keyword">template</span><<span class="keyword">typename</span> _TraitsT, <span class="keywordtype">bool</span> __icase, <span class="keywordtype">bool</span> __collate></div><div class="line"><a name="l00613"></a><span class="lineno"> 613</span>  <span class="keywordtype">bool</span></div><div class="line"><a name="l00614"></a><span class="lineno"> 614</span>  _BracketMatcher<_TraitsT, __icase, __collate>::</div><div class="line"><a name="l00615"></a><span class="lineno"> 615</span>  _M_apply(_CharT __ch, <a class="code" href="a01476.html#gaebe6729ab5488ecc76c762873d226857">false_type</a>)<span class="keyword"> const</span></div><div class="line"><a name="l00616"></a><span class="lineno"> 616</span> <span class="keyword"> </span>{</div><div class="line"><a name="l00617"></a><span class="lineno"> 617</span>  <span class="keywordflow">return</span> [<span class="keyword">this</span>, __ch]</div><div class="line"><a name="l00618"></a><span class="lineno"> 618</span>  {</div><div class="line"><a name="l00619"></a><span class="lineno"> 619</span>  <span class="keywordflow">if</span> (std::binary_search(_M_char_set.begin(), _M_char_set.end(),</div><div class="line"><a name="l00620"></a><span class="lineno"> 620</span>  _M_translator._M_translate(__ch)))</div><div class="line"><a name="l00621"></a><span class="lineno"> 621</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00622"></a><span class="lineno"> 622</span>  <span class="keyword">auto</span> __s = _M_translator._M_transform(__ch);</div><div class="line"><a name="l00623"></a><span class="lineno"> 623</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& __it : _M_range_set)</div><div class="line"><a name="l00624"></a><span class="lineno"> 624</span>  <span class="keywordflow">if</span> (_M_translator._M_match_range(__it.first, __it.second, __s))</div><div class="line"><a name="l00625"></a><span class="lineno"> 625</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00626"></a><span class="lineno"> 626</span>  <span class="keywordflow">if</span> (_M_traits.isctype(__ch, _M_class_set))</div><div class="line"><a name="l00627"></a><span class="lineno"> 627</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00628"></a><span class="lineno"> 628</span>  <span class="keywordflow">if</span> (std::find(_M_equiv_set.begin(), _M_equiv_set.end(),</div><div class="line"><a name="l00629"></a><span class="lineno"> 629</span>  _M_traits.transform_primary(&__ch, &__ch+1))</div><div class="line"><a name="l00630"></a><span class="lineno"> 630</span>  != _M_equiv_set.end())</div><div class="line"><a name="l00631"></a><span class="lineno"> 631</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00632"></a><span class="lineno"> 632</span>  <span class="keywordflow">for</span> (<span class="keyword">auto</span>& __it : _M_neg_class_set)</div><div class="line"><a name="l00633"></a><span class="lineno"> 633</span>  <span class="keywordflow">if</span> (!_M_traits.isctype(__ch, __it))</div><div class="line"><a name="l00634"></a><span class="lineno"> 634</span>  <span class="keywordflow">return</span> <span class="keyword">true</span>;</div><div class="line"><a name="l00635"></a><span class="lineno"> 635</span>  <span class="keywordflow">return</span> <span class="keyword">false</span>;</div><div class="line"><a name="l00636"></a><span class="lineno"> 636</span>  }() ^ _M_is_non_matching;</div><div class="line"><a name="l00637"></a><span class="lineno"> 637</span>  }</div><div class="line"><a name="l00638"></a><span class="lineno"> 638</span> } <span class="comment">// namespace __detail</span></div><div class="line"><a name="l00639"></a><span class="lineno"> 639</span> </div><div class="line"><a name="l00640"></a><span class="lineno"> 640</span> _GLIBCXX_END_NAMESPACE_VERSION</div><div class="line"><a name="l00641"></a><span class="lineno"> 641</span> } <span class="comment">// namespace</span></div><div class="ttc" id="a01489_html_ga8c25296d7a1b85124de8ac561e8945cf"><div class="ttname"><a href="a01489.html#ga8c25296d7a1b85124de8ac561e8945cf">std::use_facet</a></div><div class="ttdeci">const _Facet & use_facet(const locale &__loc)</div><div class="ttdoc">Return a facet.use_facet looks for and returns a reference to a facet of type Facet where Facet is th...</div><div class="ttdef"><b>Definition:</b> <a href="a00395_source.html#l00132">locale_classes.tcc:132</a></div></div>
<div class="ttc" id="a01564_html_a828988901e2b5aafb2ad06adde9e581b"><div class="ttname"><a href="a01564.html#a828988901e2b5aafb2ad06adde9e581b">std::regex_constants::error_paren</a></div><div class="ttdeci">constexpr error_type error_paren(_S_error_paren)</div></div>
<div class="ttc" id="a01476_html_gaebe6729ab5488ecc76c762873d226857"><div class="ttname"><a href="a01476.html#gaebe6729ab5488ecc76c762873d226857">std::false_type</a></div><div class="ttdeci">integral_constant< bool, false > false_type</div><div class="ttdoc">The type used as a compile-time boolean with false value.</div><div class="ttdef"><b>Definition:</b> <a href="a00167_source.html#l00078">type_traits:78</a></div></div>
<div class="ttc" id="a01472_html_ga1f3ad1c876ee5b203367e06d74fe0bf2"><div class="ttname"><a href="a01472.html#ga1f3ad1c876ee5b203367e06d74fe0bf2">std::make_shared</a></div><div class="ttdeci">shared_ptr< _Tp > make_shared(_Args &&... __args)</div><div class="ttdoc">Create an object that is owned by a shared_ptr.</div><div class="ttdef"><b>Definition:</b> <a href="a17109_source.html#l00718">bits/shared_ptr.h:718</a></div></div>
<div class="ttc" id="a01564_html_a20359992d27c0743cae90e4bae7f8129"><div class="ttname"><a href="a01564.html#a20359992d27c0743cae90e4bae7f8129">std::regex_constants::egrep</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type egrep</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00170">regex_constants.h:170</a></div></div>
<div class="ttc" id="a07788_html_adc6f199f89b9bcf05884bcfcf96e18ea"><div class="ttname"><a href="a07788.html#adc6f199f89b9bcf05884bcfcf96e18ea">std::stack::top</a></div><div class="ttdeci">reference top()</div><div class="ttdef"><b>Definition:</b> <a href="a00587_source.html#l00198">stl_stack.h:198</a></div></div>
<div class="ttc" id="a01564_html_af95882ac8ac4454e386d29f45ea5bbbf"><div class="ttname"><a href="a01564.html#af95882ac8ac4454e386d29f45ea5bbbf">std::regex_constants::ECMAScript</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type ECMAScript</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00122">regex_constants.h:122</a></div></div>
<div class="ttc" id="a01564_html_a23b6569c17f71c8b1c00b515b8e02a0d"><div class="ttname"><a href="a01564.html#a23b6569c17f71c8b1c00b515b8e02a0d">std::regex_constants::error_brace</a></div><div class="ttdeci">constexpr error_type error_brace(_S_error_brace)</div></div>
<div class="ttc" id="a07788_html_a7efe15f8159c166b68a24486ec561608"><div class="ttname"><a href="a07788.html#a7efe15f8159c166b68a24486ec561608">std::stack::push</a></div><div class="ttdeci">void push(const value_type &__x)</div><div class="ttdoc">Add data to the top of the stack.</div><div class="ttdef"><b>Definition:</b> <a href="a00587_source.html#l00225">stl_stack.h:225</a></div></div>
<div class="ttc" id="a01564_html_a47399faadc6f427a172a84d78945394c"><div class="ttname"><a href="a01564.html#a47399faadc6f427a172a84d78945394c">std::regex_constants::error_badrepeat</a></div><div class="ttdeci">constexpr error_type error_badrepeat(_S_error_badrepeat)</div></div>
<div class="ttc" id="a01538_html"><div class="ttname"><a href="a01538.html">std</a></div><div class="ttdoc">ISO C++ entities toplevel namespace is std.</div></div>
<div class="ttc" id="a07788_html_a16b93d714717c5af52a14ebd6fec11b7"><div class="ttname"><a href="a07788.html#a16b93d714717c5af52a14ebd6fec11b7">std::stack::pop</a></div><div class="ttdeci">void pop()</div><div class="ttdoc">Removes first element.</div><div class="ttdef"><b>Definition:</b> <a href="a00587_source.html#l00258">stl_stack.h:258</a></div></div>
<div class="ttc" id="a01564_html_a38aa5041411e6e3d98057811eb691cd0"><div class="ttname"><a href="a01564.html#a38aa5041411e6e3d98057811eb691cd0">std::regex_constants::error_range</a></div><div class="ttdeci">constexpr error_type error_range(_S_error_range)</div></div>
<div class="ttc" id="a07788_html_a86e3c205d6100cd4bb98b4b7e36bb35e"><div class="ttname"><a href="a07788.html#a86e3c205d6100cd4bb98b4b7e36bb35e">std::stack::empty</a></div><div class="ttdeci">bool empty() const</div><div class="ttdef"><b>Definition:</b> <a href="a00587_source.html#l00185">stl_stack.h:185</a></div></div>
<div class="ttc" id="a01564_html_a195f47d5fe8ab2a35c240cf7cb012b88"><div class="ttname"><a href="a01564.html#a195f47d5fe8ab2a35c240cf7cb012b88">std::regex_constants::basic</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type basic</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00132">regex_constants.h:132</a></div></div>
<div class="ttc" id="a01564_html_a1de0f54830ba2d86ca5244f8609fef2c"><div class="ttname"><a href="a01564.html#a1de0f54830ba2d86ca5244f8609fef2c">std::regex_constants::awk</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type awk</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00152">regex_constants.h:152</a></div></div>
<div class="ttc" id="a01564_html_af6c55a7ee994437667dd9b8b5a0580e0"><div class="ttname"><a href="a01564.html#af6c55a7ee994437667dd9b8b5a0580e0">std::regex_constants::extended</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type extended</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00141">regex_constants.h:141</a></div></div>
<div class="ttc" id="a01564_html_ac9ef78846632df7d0916b933191e3bcc"><div class="ttname"><a href="a01564.html#ac9ef78846632df7d0916b933191e3bcc">std::regex_constants::error_brack</a></div><div class="ttdeci">constexpr error_type error_brack(_S_error_brack)</div></div>
<div class="ttc" id="a01564_html_a272600147c8274c0d78fcda6b53eb0c6"><div class="ttname"><a href="a01564.html#a272600147c8274c0d78fcda6b53eb0c6">std::regex_constants::error_badbrace</a></div><div class="ttdeci">constexpr error_type error_badbrace(_S_error_badbrace)</div></div>
<div class="ttc" id="a07788_html"><div class="ttname"><a href="a07788.html">std::stack</a></div><div class="ttdoc">A standard container giving FILO behavior.</div><div class="ttdef"><b>Definition:</b> <a href="a00587_source.html#l00099">stl_stack.h:99</a></div></div>
<div class="ttc" id="a01564_html_afa201fcaeca378cea22d0cb2a27dd87f"><div class="ttname"><a href="a01564.html#afa201fcaeca378cea22d0cb2a27dd87f">std::regex_constants::grep</a></div><div class="ttdeci">_GLIBCXX17_INLINE constexpr syntax_option_type grep</div><div class="ttdef"><b>Definition:</b> <a href="a00482_source.html#l00161">regex_constants.h:161</a></div></div>
</div><!-- fragment --></div><!-- contents -->
</div><!-- doc-content -->
<!-- start footer part -->
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
<ul>
<li class="navelem"><a class="el" href="dir_3a83f109ff04170a1f8448445d1bdcba.html">include</a></li><li class="navelem"><a class="el" href="dir_599c955538774c0249d4ddd97c0a9ae8.html">bits</a></li><li class="navelem"><a class="el" href="a00479.html">regex_compiler.tcc</a></li>
<li class="footer">Generated by
<a href="http://www.doxygen.org/index.html">
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.8.15 </li>
</ul>
</div>
</body>
</html>
distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
0448c66ab6afa2f787658c5e6488e2d9
>
files
>
441
