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Small update Lua documents on troubleshooting problems

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk/SWIG@8889 626c5289-ae23-0410-ae9c-e8d60b6d4f22
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Mark Gossage 2006-02-24 03:17:51 +00:00
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@ -1,6 +1,10 @@
Version 1.3.29 (In progress)
============================
02/24/2006: mgossage
Small update Lua documents on troubleshooting problems
02/22/2006: mmatus
Fix all the errors reported for 1.3.28.

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Doc/Manual/Lua.html
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@ -173,6 +173,37 @@ The wrappers produced by SWIG can be compiled and linked with Lua 5.1. The loadi
require("example")
</pre></div>
<p>
If the code didn't work, don't panic. The best thing to do is to copy the module and your interpreter into a single directory and then execute the interpreter and try to manually load the module (take care, all this code is case sensitive).
</p>
<div class="targetlang"><pre>
a,b,c=loadlib("example.so","Example_Init") -- for Unix/Linux
--a,b,c=loadlib("example.dll","Example_Init") -- for Windows
print(a,b,c)
</pre></div>
<p>
Note: for Lua 5.1:<br>
The loadlib() function has been moved into the package table, so you must use package.loadlib() instead.
</p>
<p>
if 'a' is a function, this its all working fine, all you need to do is call it
<div class="targetlang"><pre>
a()
</pre></div>
to load your library which will add a table 'example' with all the functions added.
</p>
<p>
If it doesn't work, look at the error messages, in particular mesage 'b'<br>
<tt> The specified module could not be found.</tt><br>
Means that is cannot find the module, check your the location and spelling of the module.<br>
<tt> The specified procedure could not be found.</tt><br>
Means that it loaded the module, but cannot find the named function. Again check the spelling, and if possible check to make sure the functions were exported correctly.<br>
<tt> 'loadlib' not installed/supported</tt><br>
Is quite obvious (Go back and consult the Lua documents on how to enable loadlib for your platform).
</p>
<H3><a name="Lua_nn6"></a>22.2.3 Using your module</H3>