[Kde-bindings] Another segfault yet, but more complex

[Han Holl]

Hello Richard,

I'vr got another segfault for you, but I haven't succeeded in creating a 
_very_ simple script to demonstrate.

I've investigated somewhat myself, and added debugging information around the 
call to checkarg, like this:

(0...args.length).each do |i|
    tmp = checkarg( getVALUEtype(args[i]), getTypeNameOfArg(id, i) )
    puts "ISCORE: #{i} #{tmp} #{args[i]} #{getVALUEtype(args[i])}        	  
#{getTypeNameOfArg(id, i)}" if debug_level >= DebugLevel::High
   current_match += tmp
end

(Sorry for the lousy formatting). Anyway, what happens is that at some point I 
get this output:
ISCORE: 0 -99 #<Qt::Widget:0x43230f68> QObject QWidget*

which means that even though the object args[i] is Qt::Widget:0x43230f68, 
getVALUEtype(args[i]) returns QObject (instead of QWidget).
What happens then that checharg return -99, and a segfault.

I've prepared an archive which hopefully runs standalone. Because it turns out 
to be only 7kb I've attached it directly to this post.

I hope you can find out what's happening.

Cheers,

Han Holl
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