vbscript: Added lexer support for '_'

[Jacek Caban]

Hi Bruno,

On 10/14/11 20:07, Bruno Jesus wrote:
> On Fri, Oct 14, 2011 at 13:44, Jacek Caban<jacek at codeweavers.com>  wrote:
>> ---
>>   dlls/vbscript/lex.c          |   10 ++++++++++
>>   dlls/vbscript/tests/lang.vbs |    7 +++++++
>>   dlls/vbscript/tests/run.c    |    2 ++
>>   3 files changed, 19 insertions(+), 0 deletions(-)
>>
> Hi, Jacek, I'm far away from my linux box and I'm just passing by to
> remember that there is a 24 continuation limit.
>
> Here is an invalid operation because it has 26 continuations:
> x = _
> 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 - _
> 3 + _
> 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3 _
> + 3

I've tested it and that doesn't seem to be true.

> And this is another test that must pass too (there is no new operand
> after the last _ ) :
> x = _
> 3 _
> + 3 _
> + 3 _
> + 3 _

This will work only if the next line is empty (exactly like my 
implementation does).

Jacek