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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>21.1 Tcl-level Debugging</TITLE><META NAME="description" CONTENT="21.1 Tcl-level Debugging"><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" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html"><LINK REL="previous" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><LINK REL="up" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><LINK REL="next" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html"></HEAD><BODY ><!--Navigation Panel--><A NAME="tex2html4945" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html4939" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html4933" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html4941" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html4943" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html4946" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html">21.2 C++-Level Debugging</A><B> Up:</B> <A NAME="tex2html4940" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html">21. Debugging ns</A><B> Previous:</B> <A NAME="tex2html4934" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html">21. Debugging ns</A>   <B> <A NAME="tex2html4942" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html4944" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html">Index</A></B> <BR><BR><!--End of Navigation Panel--><H1><A NAME="SECTION04110000000000000000"></A><A NAME="sec:tcldebug"></A><BR>21.1 Tcl-level Debugging</H1><P>Ns supports Don Libs' Tcl debugger ( see its Postscript documentation athttp://expect.nist.gov/tcl-debug/tcl-debug.ps.Z and its source code athttp://expect.nist.gov/tcl-debug/tcl-debug.tar.gz ).Install the program or leave the source code in a directoryparallel to ns-2 and it will be built. Unlike expect, described in thetcl-debug documentation, we do not support the -D flag. To enter thedebugger, add the lines "debug 1" to your script at the appropriatelocation. In order to build ns with the debugging flag turned on,configure ns with configuration option "-enable-debug"and incase the Tcl debugger has been installed in a directory not parallelto ns-2, provide the path with configuration option "-with-tcldebug=<give/your/path/to/tcl-debug/library>".<P>An useful debugging command is <TT>$ns_ gen-map</TT> which may be used to list all OTcl objects in a raw form. This is useful to correlate theposition and function of an object given its name. The name of the objectis the OTcl handle, usually of the form <TT>_o###</TT>. For TclObjects, thisis also available in a C++ debugger, such as gdb, as <TT>this-name_</TT>. <P><HR><!--Navigation Panel--><A NAME="tex2html4945" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html"><IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="file:/usr/share/latex2html/icons/next.png"></A> <A NAME="tex2html4939" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="file:/usr/share/latex2html/icons/up.png"></A> <A NAME="tex2html4933" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html"><IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="file:/usr/share/latex2html/icons/prev.png"></A> <A NAME="tex2html4941" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html"><IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="file:/usr/share/latex2html/icons/contents.png"></A> <A NAME="tex2html4943" HREF="node590.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node590.html"><IMG WIDTH="43" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="index" SRC="file:/usr/share/latex2html/icons/index.png"></A> <BR><B> Next:</B> <A NAME="tex2html4946" HREF="node238.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node238.html">21.2 C++-Level Debugging</A><B> Up:</B> <A NAME="tex2html4940" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html">21. Debugging ns</A><B> Previous:</B> <A NAME="tex2html4934" HREF="node236.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node236.html">21. Debugging ns</A>   <B> <A NAME="tex2html4942" HREF="node1.html" tppabs="http://www.isi.edu/nsnam/ns/doc/node1.html">Contents</A></B>   <B> <A NAME="tex2html4944" 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>⌨️ 快捷键说明
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