[Python-ideas] Allow parentheses to be used with "with" block

[Neil Girdhar]

I agree with that idea in general, but I do think that a with statement 
having parentheses would not be confusing for users to parse even though it 
would not be LL(1).

On Monday, February 16, 2015 at 4:53:05 AM UTC-5, Paul Moore wrote:
>
> On 16 February 2015 at 05:40, Neil Girdhar <miste... at gmail.com 
> <javascript:>> wrote: 
> > Personally, I would rather wait for a day far away when Python removes 
> the 
> > LL(1) grammar restriction than introduce weird new syntax.  Maybe when 
> the 
> > reference standard Python is written in Python and Python has a good 
> parser 
> > module.  With backtracking, it should be fine and unambiguous. 
>
> Note that the fact that the parser is LL(1) is a design feature rather 
> than a limitation. Guido has certainly in the past indicated that it's 
> a deliberate choice. The idea is that LL(1) grammars are not only 
> easier for compilers to parse but also for users to understand. 
>
> So the day you're waiting for is indeed likely to be far away :-) 
> Paul 
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