/[pcre]/code/trunk/doc/html/pcrestack.html
ViewVC logotype

Diff of /code/trunk/doc/html/pcrestack.html

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 653 by ph10, Wed Jan 6 10:26:55 2010 UTC revision 654 by ph10, Tue Aug 2 11:00:40 2011 UTC
# Line 20  When you call <b>pcre_exec()</b>, it mak Line 20  When you call <b>pcre_exec()</b>, it mak
20  <b>match()</b>. This calls itself recursively at branch points in the pattern,  <b>match()</b>. This calls itself recursively at branch points in the pattern,
21  in order to remember the state of the match so that it can back up and try a  in order to remember the state of the match so that it can back up and try a
22  different alternative if the first one fails. As matching proceeds deeper and  different alternative if the first one fails. As matching proceeds deeper and
23  deeper into the tree of possibilities, the recursion depth increases.  deeper into the tree of possibilities, the recursion depth increases. The
24    <b>match()</b> function is also called in other circumstances, for example,
25    whenever a parenthesized sub-pattern is entered, and in certain cases of
26    repetition.
27  </P>  </P>
28  <P>  <P>
29  Not all calls of <b>match()</b> increase the recursion depth; for an item such  Not all calls of <b>match()</b> increase the recursion depth; for an item such
# Line 176  Cambridge CB2 3QH, England. Line 179  Cambridge CB2 3QH, England.
179  REVISION  REVISION
180  </b><br>  </b><br>
181  <P>  <P>
182  Last updated: 03 January 2010  Last updated: 22 July 2011
183  <br>  <br>
184  Copyright &copy; 1997-2010 University of Cambridge.  Copyright &copy; 1997-2011 University of Cambridge.
185  <br>  <br>
186  <p>  <p>
187  Return to the <a href="index.html">PCRE index page</a>.  Return to the <a href="index.html">PCRE index page</a>.

Legend:
Removed from v.653  
changed lines
  Added in v.654

  ViewVC Help
Powered by ViewVC 1.1.5