On Jul 25, 2010, at 4:59 PM, Maciej Stachowiak wrote:
> On Jul 25, 2010, at 11:36 AM, Brendan Eich wrote:
>
>>
>> Let's not go in circles. I claim:
>>
>> * The horses are long gone from the barn.
>> * The mistake is easy to overlook even for JS coders who do use semicolons.
>> * The trade-off of banning ASI rule 1 first bullet to reduce desensitization
>> and eventually reduce the incidence of this kind of bug is not a clear win,
>> vs. migration tax into Harmony and usability problems even writing fresh
>> code.
>>
>> In order to reliably remove this hazard, we would need to ban statements
>> from starting with '('. Perhaps we should consider doing so.
>
> Banning statements from starting with '(' would remove one of the easiest
> workarounds for the rules against statements starting with 'function' or
> statements starting with '{'.
Yeah, that's too harsh -- you'd have to use an operator or assign to a dummy
variable or declare an initialized binding.
Mark's restricted production idea is on target, if we think it's worth doing.
/be
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