boost/libs/regex/doc/error_type.html

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  15                   <H1 align="center">Boost.Regex</H1>
  16                   <H2 align="center">error_type</H2>
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  25       <H3>Contents</H3>
  26       <dl class="index">
  27          <dt><A href="#synopsis">Synopsis</A> <dt><a href="#description">Description</a></dt></dl>
  28       <H3><A name="synopsis"></A>Synopsis</H3>
  29       <P>Type error type represents the different types of errors that can be raised by
  30          the library when parsing a regular expression.</P>
  31       <pre>
  32 namespace boost{ namespace regex_constants{
  33
  34 typedef implementation-specific-type error_type;
  35
  36 static const error_type error_collate;
  37 static const error_type error_ctype;
  38 static const error_type error_escape;
  39 static const error_type error_backref;
  40 static const error_type error_brack;
  41 static const error_type error_paren;
  42 static const error_type error_brace;
  43 static const error_type error_badbrace;
  44 static const error_type error_range;
  45 static const error_type error_space;
  46 static const error_type error_badrepeat;
  47 static const error_type error_complexity;
  48 static const error_type error_stack;
  49 static const error_type error_bad_pattern;
  50
  51 } // namespace regex_constants
  52 } // namespace boost
  53 </pre>
  54       <P>&nbsp;</P>
  55       <H3><A name="description"></A>Description</H3>
  56       <P>The type error_type is an implementation-specific enumeration type that may
  57          take one of the following values:</P>
  58       <P>
  59          <TABLE id="Table2" cellSpacing="1" cellPadding="1" width="100%" border="1">
  60             <TR>
  61                <TD><STRONG>Constant</STRONG></TD>
  62                <TD><STRONG>Meaning</STRONG></TD>
  63             </TR>
  64             <TR>
  65                <TD>error_collate</TD>
  66                <TD>An invalid collating element was specified in a [[.name.]] block.</TD>
  67             </TR>
  68             <TR>
  69                <TD>error_ctype</TD>
  70                <TD>An invalid character class name was specified in a [[:name:]] block.</TD>
  71             </TR>
  72             <TR>
  73                <TD>error_escape</TD>
  74                <TD>An invalid or trailing escape was encountered.</TD>
  75             </TR>
  76             <TR>
  77                <TD>error_backref</TD>
  78                <TD>A back-reference to a non-existant marked sub-expression was encountered.</TD>
  79             </TR>
  80             <TR>
  81                <TD>error_brack</TD>
  82                <TD>An invalid character set [...] was encountered.</TD>
  83             </TR>
  84             <TR>
  85                <TD>error_paren</TD>
  86                <TD>
  87                   <P>Mismatched '(' and ')'.</P>
  88                </TD>
  89             </TR>
  90             <TR>
  91                <TD>error_brace</TD>
  92                <TD>Mismatched '{' and '}'.</TD>
  93             </TR>
  94             <TR>
  95                <TD>error_badbrace</TD>
  96                <TD>Invalid contents of a {...} block.</TD>
  97             </TR>
  98             <TR>
  99                <TD>error_range</TD>
 100                <TD>A character range was invalid, for example [d-a].</TD>
 101             </TR>
 102             <TR>
 103                <TD>error_space</TD>
 104                <TD>Out of memory.</TD>
 105             </TR>
 106             <TR>
 107                <TD>error_badrepeat</TD>
 108                <TD>An attempt to repeat something that can not be repeated - for example a*+</TD>
 109             </TR>
 110             <TR>
 111                <TD>error_complexity</TD>
 112                <TD>The expression became too complex to handle.</TD>
 113             </TR>
 114             <TR>
 115                <TD>error_stack</TD>
 116                <TD>Out of program stack space.</TD>
 117             </TR>
 118             <TR>
 119                <TD>error_bad_pattern</TD>
 120                <TD>Other unspecified errors.</TD>
 121             </TR>
 122          </TABLE>
 123       </P>
 124       <H3><A name="examples"></A>
 125          <HR>
 126       </H3>
 127       <p>Revised&nbsp;
 128          <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%d %B, %Y" startspan -->
 129          24 June 2004&nbsp;
 130          <!--webbot bot="Timestamp" endspan i-checksum="39359" -->
 131       </p>
 132       <p><i>© Copyright John Maddock&nbsp;1998-
 133             <!--webbot bot="Timestamp" S-Type="EDITED" S-Format="%Y" startspan -->  2004<!--webbot bot="Timestamp" endspan i-checksum="39359" --></i></p>
 134       <P><I>Use, modification and distribution are subject to the Boost Software License,
 135             Version 1.0. (See accompanying file <A href="../../../LICENSE_1_0.txt">LICENSE_1_0.txt</A>
 136             or copy at <A href="http://www.boost.org/LICENSE_1_0.txt">http://www.boost.org/LICENSE_1_0.txt</A>)</I></P>
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