> Le 1 sept. 2019 à 18:41, Akim Demaille <[email protected]> a écrit :
>
> The NEWS excerpt should be a good summary of the purpose of this
> series of patches:
>
> *** Variable api.token.raw: Optimized token numbers (all skeletons)
>
> In the generated parsers, tokens have two numbers: the "external" token
> number as returned by yylex (which starts at 257), and the "internal"
> symbol number (which starts at 3). Each time yylex is called, a table
> lookup maps the external token number to the internal symbol number.
>
> When the %define variable api.token.raw is set, tokens are assigned their
> internal number, which saves one table lookup per token, and also saves
> the generation of the mapping table.
>
> The gain is typically moderate, but in extreme cases (very simple user
> actions), a 10% improvement can be observed.
>
> I would really appreciate to get feedback about this. It is currently
> available on both my GitHub account and on the official Bison repo in
> the branch 'raw'.
Well, no feedback at all in two weeks.
Has been rebased, is currently being checked by the CI, and then will
be pushed in master.
