On 28 Jun 2012, at 14:55, Timothy Madden wrote:
> On 06/28/2012 12:38 PM, Hans Aberg wrote:
>> On 22 Jun 2012, at 19:42, Timothy Madden wrote:
>>
>>> How could I use a namespace like yy (the same way bison does) for the
>>> generated scanner with the C++ interface ?
>>>
>>> I tried to open "namespace yy {" at the %top of the file, and to close it
>>> "}" at the bottom, but all the included standard headers in the generated
>>> scanner would be included in the namespace yy this way, instead of the
>>> expected global namespace.
>>>
>>> I had no other idea than to explicitly include the C/C++ standard headers
>>> used by the scanner before I open the yy namespaces, at the top of the
>>> file, so that when the scanner later includes them, they will each see they
>>> have been already included and skip over any included content.
>>>
>>> Can namespaces please be added to flex C++ interface ?
>>
>> Flex does not currently have active developers, and the C++ lexer was
>> written a long time ago, before namespaces was a part of C++. You might try
>> modifying the skeleton file, though.
> Are there alternative projects that can be used with bison and are still
> being developed or are better than flex ?
[Please keep the cc to the list, so others can follow the issue.]
Not what I am aware of - I add a cc to the Bison help list, to see if somebody
there knows more.
Bison should be synced with Flex, but as the latter isn't currently being
developed, that limits.
Hans
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