Re: [boost] [throw_exception] BOOST_NO_EXCEPTIONS and <exception>

From: Robert Ramey (ramey_at_[hidden])
Date: 2005-09-20 11:06:45

John Maddock wrote:
>> boost/throw_exception.hpp includes <exception> when
>> the macro BOOST_NO_EXCEPTIONS is defined. Isn't it
>> likely that an exception-disabled platform won't
>> provide <exception> either? Is there any
>> rationale/compiler survey for this?
>
> The trouble is what else can it do?
>
> Any Boost code that calls this function will be passing as an
> argument an exception object derived from std::exception,

I'm not sure that's true.  In the serialization library - all exceptions are 
derived from archive_exception.  archive_exception is derived from 
std::exception - but this derivation could be conditional on the definition
of BOOST_NO_EXCEPTIONS.

>the idea is
> that if exceptions are disabled then the user supplied version of
> this function will just print the exception's message, and abort.  It
> certainly works OK on MSVC and on with gcc, but I have no knowledge
> of embedded platforms without any
> exception handling at all and what they might do.

Robert Ramey