Re: Compiling Reverse Polish Calculator Example

[Akim Demaille]

Le 29 oct. 2012 à 18:22, Akim Demaille a écrit :

> [Paul, this is about quotearg]
> 
> Hi Marc,
> 
> This message is not related directly to your complaint
> (Hans explained well your issue).  This message is about
> Bison not issuing the right message.
> 
> Le 26 oct. 2012 à 23:13, Marc Mendiola a écrit :
> 
>> rpcalc.y:1.1: invalid character: `\377'
>> rpcalc.y:1.2: invalid character: `\376'
> 
> This is good.
> 
>> rpcalc.y:1.4: invalid character: `'
>> rpcalc.y:1.5: invalid character: `'
>> rpcalc.y:1.6: invalid character: `'
>> rpcalc.y:1.7: invalid character: `'
>> rpcalc.y:1.8: invalid character: `'
> 
> These last five are wrong: they should read
> 
>  invalid character: `\0'

I now also realize that maybe Bison should ignore these
BOM bytes.  Or even propagate them to the generated files?
I see for instance GCC has been supporting them for four years
(http://gcc.gnu.org/viewcvs?view=revision&revision=134507),
and I guess more and more tools are supporting them.