Re: exception - twice handling

From:
"Balog Pal" <pasa@lib.hu>
Newsgroups:
comp.lang.c++.moderated
Date:
Mon, 19 Jan 2009 18:15:16 CST
Message-ID:
<gl2t13$1ni9$1@news.ett.com.ua>
"Bharath" <bharath.donnipad@gmail.com>

I was trying to understand the below program. The output is given
below. I couldn't understand why "catch" is being handled in "main"
even though only once "throw exce();" is executed.

    Sta() try
    {
       throw exce();
    }
    catch (...)
    {
        cout<<"Hello !!!!!\n";
    }


Here you used a thing called 'function try block'. It is not like a simple
try block, that continues with the next line, finishing the exception.
(Unless you abort) FTR is always left throwing exception: you throw your own
explicitly, if you don't at the bottom you'll get an implicit throw;
(passing on the original one).

In your code that makes its way to then next catch block.

Note, that FTR is mainly used for one purpose only: to catch exception
thrown in the ctor member-initializer list.

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