Subject: Re: [boost] Interest in breakable labeled scope emulation?
From: TONGARI (tongari95_at_[hidden])
Date: 2013-01-13 20:50:31
2013/1/14 Brian Ravnsgaard Riis <brian_at_[hidden]>
> Den Sun, 13 Jan 2013 20:30:14 +0100 skrev Vicente J. Botet Escriba <
> Of course in order to be really structired the jumping to the underlying
>> label should be forbiden (by the compiler), but I don't think that a
>> preprocessor solution could take care of this. So the following not desired
>> and not structured code could compile even if we would like an compile
>> // ...
>> // 
>> BOOST_BREAK(L); // go to 
> So, the underlying idea is to get something like "break" and "continue" to
> work inside any "named" block, not just loops? If so (as you demonstrate
> above) I'm fairly certain a correct solution cannot be implemented using
> just the preprocessor.
Please try the code attached and see the error message that your compiler
It DOES avoid the ill-formed code like that to compile.
And thanks Vicente for the elaboration.
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