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Throwing new exception object (or table) from C++
#1 Posted : Friday, December 16, 2016 12:04:53 PM(UTC)
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Hi Folks,

I have another question, regarding thorwing new exception object to script from c++.

For example I would like to have exception like:


class Exception
       code = 2;
       message = "Access violation";

Can anybody give me c++ snippet how to generate such exception with ps_throwobject() or other function?

So I would except to use it like from sq:


catch (ex)
    print(format("%d: %s\n", ex.code, ex.message));

So I would expect that console would print:


2: Access violation
#2 Posted : Saturday, December 17, 2016 3:55:29 PM(UTC)
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I only used sq_throwerror so far, however I'd think you would do it like this:

SQInteger MyFunction(HSQUIRRELVM v)

if (errorcondition) {
//create ErrorObject on the stack here, for example using sq_newtable, sq_newslot and the like
sq_throwobject(v); //pushes top of stack as exception object
return(SQ_ERROR) ; //not sure about this, because this may ADDITIONALLY cause an exception. If not working properly, try return(0) ;

return (0) ; //or push return value, then return(1) instead;
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