Re: DSL in lua

[Vasiliy Tolstov <v.tolstov@...>]

Thanks. But = sign i think is ambigious... How can i avoid using = sign?

2012/12/6 Dirk Laurie <dirk.laurie@gmail.com>:
> You're a few commas away from legal Lua syntax.
>
> directory "/etc/" {
>   owner "root",
>   group "wheel",
>   mode "0755",
>   action "create",
> }
>
> It can be done (functions owner etc would have to store
> their argument somewhere) but a few equal signs makes the
> Lua code efficient:
>
> directory "/etc/" {
>   owner="root",
>   group="wheel",
>   mode="0755",
>   action="create",
> }
>
> The code would be (not tested):
>
> function directory(dirname)
>    return function(t)
>       os.execute ("mkdir %s; chown %s.%s %s; chmod %s %s"):
>          format(dirname,t.owner,t.group,dirname,t.mode,dirname)
>    end
> end
>
> Or one could replace the `{`..`}` by `[[`..`]]` and insert
> a small parser that extracts the fields from the string.
>



-- 
Vasiliy Tolstov,
Clodo.ru
e-mail: v.tolstov@selfip.ru
jabber: vase@selfip.ru