Re: error exceptions

On Aug 09, 2011 7:17 AM, Josh Stratton wrote:
> I'm trying to get error messages to display and I was following this
> tutorial.  However, I can't seem to get any error exceptions.  In a
> lua script I'm running, I have a print at the top and bottom and it's
> only hitting the top one, so I'm assuming there is some error in there
> I thought should raise an exception.
>
> http://www.nuclex.org/articles/5-cxx/1-quick-introduction-to-luabind
>
> void loadLuaFile(lua_State* state, QString fileName)
> {
>      QFile file(fileName);
>      file.open(QIODevice::ReadOnly);
>      QString lines = file.readAll();
>      //std://:cout<<  lines.toStdString()<<  std::endl;
>      try {
>          std::cout<<  "executing "<<  fileName.toStdString()<<
> "...\n-----------"<<  std::endl;
>          std::cout<<  lines.toStdString().c_str()<<  std::endl;
>          luaL_dostring(state, lines.toStdString().c_str());
>      } catch (const std::exception&TheError) {
>          std::cout<<  "*"<<  std::endl;
>          std::cout<<  TheError.what()<<  std::endl;
>      }
>
>      file.close();
> }
>
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Luabind only throws exceptions if you call into Lua code *through* 
Luabind. You're calling Lua code through the standard Lua API, therefore 
no exceptions will be thrown. Instead, the typical Lua error handling 
code will be used.

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