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<html><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><!--Converted with jLaTeX2HTML 2002 (1.62) JA patch-1.4patched version by: Kenshi Muto, Debian Project.LaTeX2HTML 2002 (1.62),original version by: Nikos Drakos, CBLU, University of Leeds* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan* with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --><HTML><HEAD><TITLE>3.3.5 Hash Functions within the Interpreter</TITLE><META NAME="description" CONTENT="3.3.5 Hash Functions within the Interpreter"><META NAME="keywords" CONTENT="everything"><META NAME="resource-type" CONTENT="document"><META NAME="distribution" CONTENT="global"><META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"><META NAME="Generator" CONTENT="jLaTeX2HTML v2002 JA patch-1.4"><META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"><LINK REL="STYLESHEET" HREF="everything.css" tppabs="http://www.isi.edu/nsnam/ns/doc/everything.css"><LINK REL="next" 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tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html1337" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H2><A NAME="SECTION02135000000000000000"></A><A NAME="sec:HashTables"></A><BR>3.3.5 Hash Functions within the Interpreter</H2><P>stores a reference to every TclObject in the compiled hierarchyin a hash table;this permits quick access to the objects.The hash table is internal to the interpreter. uses the name of the <TT>TclObject</TT> as the keyto enter, lookup, or delete the TclObject in the hash table.<DL COMPACT><DT><DD>[TclObject* ]tcl.enter../Tcl/Tcl.ccTcl::enter will insert a pointer to the TclObject into the hash table.<P>It is used by []TclClass::create_shadow../Tcl/Tcl.ccTclClass::create_shadow to insert an object into the table, when that object is created.<P><DT><DD>[char* ]tcl.lookup../Tcl/Tcl.hTcl::lookup will retrieve the TclObject with the name .<P>It is used by []TclObject::lookup../Tcl/Tcl.hTclObject::lookup.<DT><DD>[TclObject* ]tcl.remove../Tcl/Tcl.ccTcl::remove will delete references to the TclObject from the hash table.<P>It is used by []TclClass::delete_shadow../Tcl/Tcl.ccTclClass::delete_shadow to remove an existing entry from the hash table, when that object is deleted.</DD></DL>These functions are used internally bythe class TclObject and class TclClass.<P><HR><!--Navigation Panel--><A NAME="tex2html1338" HREF="node14.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node14.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html1332" HREF="node8.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node8.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html1326" HREF="node12.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node12.html"><IMG WIDTH="63" HEIGHT="24" 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tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html1337" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <!--End of Navigation Panel--><ADDRESS>2003-09-23</ADDRESS></BODY></HTML>
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