[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: RFC: generate the default semantic action

From: Hans Åberg
Subject: Re: RFC: generate the default semantic action
Date: Sun, 14 Oct 2018 19:21:41 +0200

> On 14 Oct 2018, at 18:49, Akim Demaille <address@hidden> wrote:
>> Le 14 oct. 2018 à 18:13, Hans Åberg <address@hidden> a écrit :
>> POSIX probably got it from there through copy-and-paste, then.
> Right.
>> So rules with empty RHS do not have any default value. What happen with 
>> Bison’s default value in such a case, that is, what does it get when there 
>> is no $1?
> Garbage.

So then one can choose whatever, like simplest or most efficient in the 
implementation, or conforming to the other variations.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]