Re: Suggested extention of the break statement

From:
red floyd <no.spam@here.dude>
Newsgroups:
comp.lang.c++.moderated
Date:
Fri, 24 Aug 2007 15:40:48 CST
Message-ID:
<3mEzi.47525$Um6.45476@newssvr12.news.prodigy.net>
Gerard J. Cerchio wrote:

First of all, try to in general use RAII (objects with proper

destructors,

handling clean-up in destructors) rather than try-catch.

And second, it seems that you're addressing the case of trying to do all
too much in one function, for which it's usually a better solution to
break that large function up into smaller, more focused functions.

That said,

// B

#define BEGIN_BREAKABLE for(;;){
#define END_BREAKABLE break;}

int bar()
{
    int result = 1;
    BEGIN_BREAKABLE
        try
        {
            // Some code
            break;
            // More code
            result = 2;
        }
        catch( ... ) { std::terminate(); }
    END_BREAKABLE
    return result;
}


I already suggested

#define BEGIN_BREAKABLE do {
#define END_BREAKABLE } while (false);

But that still allows a bogus continue statement.

What about:

#define BEGIN_BREAKABLE switch(0) { default:
#define END_BREAKABLE break; }

This prevents bogus continue statements.

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