🚀 go-pugleaf

In article <814744121snz@wbriscoe.demon.co.uk>, walter briscoe
<walter@wbriscoe.demon.co.uk> writes: 
|> In article <814632687snz@soliton.demon.co.uk>
|>            ian@soliton.demon.co.uk "Ian Cargill" writes:
|> 
|> > The restrictions on where setjmp can be placed seem fairly 
|> > logical - for reasons outlined in the Rationale.  But...
|> > One construct that is not allowed is 
|> > 
|> > a = setjmp(buf);
|> > if(a)
|> >  . . .
|> > 
|> > Any particular reason why this might not be allowed?  I wouldn't 
|> > have thought it was a problem with temporaries.  
|> 
|> Can't answer the question. However, this construct used to fail in DEC's
|> VAX C 3.x.

It seems to me that the restrictions in the standard are such that longjmp
can be implemented as a jumptable at compile time. `a = setjmp(buf)' cannot
be.

Cheers
Tanmoy
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