[XeTeX] Is there the primitive \XeTeXcharsclass to set many chars' class simultaneously?

[Wolfgang Schuster]

On Tue, Oct 21, 2008 at 3:07 AM, SONG Zhiwei <songzw at ustc.edu.cn> wrote:
> I use the primitive \XeTeXcharclass to set the chars "1000-"EFFF to
> the class 4 in a macro like following:
>
> \def\@setclass[#1-#2]#3{%
>  \newcount\tmp
>  \tmp=#1
>  \XeTeXcharclass\tmp=#3
>  \loop\ifnum\tmp<#2
>    \advance\tmp by 1
>    \XeTeXcharclass\tmp=#3
>  \repeat}
> \@setclass["1000-"EFFF]4
>
> But the xelatex reports:
>
> ! TeX capacity exceeded, sorry [save size=50000].
>
> Is there a primitive to set the class for a unicode range
> simultaneously, i.e. \XeTeXcharsclass?

\newcount\tmp

\def\setclass[#1-#2]#3{%
 \tmp=#1
 \XeTeXcharclass\tmp=#3
 \loop\ifnum\tmp<#2
   \advance\tmp by 1
   \XeTeXcharclass\tmp=#3
 \repeat}

\setclass["1000-"EFFF]4

Regards,
Wolfgang