/[pcre]/code/trunk/doc/html/pcreprecompile.html

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

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-revision 75 by nigel,
Sat Feb 24 21:40:37 2007 UTC
+revision 96 by nigel,
Fri Mar  2 13:10:43 2007 UTC
 Line 88 
 return a non-NULL value before trying to
  <br><a name="SEC3" href="#TOC1">RE-USING A PRECOMPILED PATTERN</a><br>
  <P>
  Re-using a precompiled pattern is straightforward. Having reloaded it into main
- memory, you pass its pointer to <b>pcre_exec()</b> in the usual way. This should
+ memory, you pass its pointer to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b> in
- work even on another host, and even if that host has the opposite endianness to
+ the usual way. This should work even on another host, and even if that host has
- the one where the pattern was compiled.
+ the opposite endianness to the one where the pattern was compiled.
  </P>
  <P>
  However, if you passed a pointer to custom character tables when the pattern
  was compiled (the <i>tableptr</i> argument of <b>pcre_compile()</b>), you must
- now pass a similar pointer to <b>pcre_exec()</b>, because the value saved with
+ now pass a similar pointer to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b>,
- the compiled pattern will obviously be nonsense. A field in a
+ because the value saved with the compiled pattern will obviously be nonsense. A
- <b>pcre_extra()</b> block is used to pass this data, as described in the
+ field in a <b>pcre_extra()</b> block is used to pass this data, as described in
+ the
  <a href="pcreapi.html#extradata">section on matching a pattern</a>
  in the
  <a href="pcreapi.html"><b>pcreapi</b></a>
-Line 114 
 If you saved study data with the compile
+Line 115 
 If you saved study data with the compile
  <b>pcre_extra</b> data block and set the <i>study_data</i> field to point to the
  reloaded study data. You must also set the PCRE_EXTRA_STUDY_DATA bit in the
  <i>flags</i> field to indicate that study data is present. Then pass the
- <b>pcre_extra</b> block to <b>pcre_exec()</b> in the usual way.
+ <b>pcre_extra</b> block to <b>pcre_exec()</b> or <b>pcre_dfa_exec()</b> in the
+ usual way.
  </P>
  <br><a name="SEC4" href="#TOC1">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a><br>
  <P>
  The layout of the control block that is at the start of the data that makes up
  a compiled pattern was changed for release 5.0. If you have any saved patterns
  that were compiled with previous releases (not a facility that was previously
- advertised), you will have to recompile them for release 5.0. However, from now
+ advertised), you will have to recompile them for release 5.0 and above.
- on, it should be possible to make changes in a compabible manner.
  </P>
  <P>
- Last updated: 10 September 2004
+ If you have any saved patterns in UTF-8 mode that use \p or \P that were
+ compiled with any release up to and including 6.4, you will have to recompile
+ them for release 6.5 and above.
+ </P>
+ <P>
+ All saved patterns from earlier releases must be recompiled for release 7.0 or
+ higher, because there was an internal reorganization at that release.
+ </P>
+ <P>
+ Last updated: 28 November 2006
  <br>
- Copyright &copy; 1997-2004 University of Cambridge.
+ Copyright &copy; 1997-2006 University of Cambridge.
  <p>
  Return to the <a href="index.html">PCRE index page</a>.
  </p>

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