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Re: Is there a replacement for yychar
From: |
Hans Aberg |
Subject: |
Re: Is there a replacement for yychar |
Date: |
Fri, 12 Dec 2014 12:51:21 +0100 |
> On 12 Dec 2014, at 07:35, Matthias Simon <address@hidden> wrote:
>
>> It is probably best to stick to the newer version only, to avoid bugs.
> Sadly, that is not really an option for me (due to outdated targets, high
> variety of developer-machines, difficulties with non-standard
> installations,...). Hence, I probably will workaround in the build-system
> like:
In a distribution, one normally includes the parser output files, leaving it as
an option to compile it for those that wish. Then an up-to-date Bison is not
needed locally.
> if [ $($BISON --version | head 1 | ...) -lt 3 ]; then
> write_header_config "#define yychar yyla.type”
> fi
Right. It might suffice to put it directly in the .yy file, as later version do
not seem to have yychar.