[Jscheme-user] Hash-Quasi-Strings and Fixed Modulo Primitive

[Timothy J. H. <ti...@cs...>]

I've fixed the modulo bug in the latest CVS.

Also, I've added hash-quasi-strings which I'll describe in more detail 
later tonight.
The idea is that you use #{ and #} to indicate a hash-quasi-string and 
then you
can escape into scheme using #[ and #]

This will allow us to easily quote general strings.

The advantage here is that the hash-quasi-string can contain curly 
braces and square braces
and double quotes, without needing to "quote" them, thus you can use it 
go generate C or CSS


e.g. this can be used as follows to generate a string representing a 
Java class with
a user-supplied version string...

> > (define  (prog version)
>  #{
>       public class Test {
>          int [] a = new int[] { 1,2,3,4,5};
>          String version = "#[version#]";
>
>         public static void main(String[] args) {;}
>      }
>  #}
> )
> (lambda prog (version)...)

> > (prog "abc 6/16/04")
> "\n      public class Test {\n         int [] a = new int[] { 
> 1,2,3,4,5};\n         String version = \"abc 6/16/04\";\n     \n       
>  public static void main(String[] args) {;}\n     }\n "

> > (begin (display (prog "abc 6/16/04")) (newline) (newline) 'yes)
>
>       public class Test {
>          int [] a = new int[] { 1,2,3,4,5};
>          String version = "abc 6/16/04";
>
>         public static void main(String[] args) {;}
>      }
>
>
> yes

---Tim---

P.S. if this breaks any code please tell me.
It shouldn't have any effect unless you use #{ #} #[ #] somewhere
in your code....


On Jun 16, 2004, at 4:15 PM, Borislav Iordanov wrote:

> Hmm, I'm not sure. It seems % is the same as "remainder"...
>
> Thanks,
> Borislav
>
> | -----Original Message-----
> | From: jsc...@li...
> | [mailto:jsc...@li...] On Behalf
> | Of Ken Anderson
> | Sent: Wednesday, June 16, 2004 3:54 PM
> | To: Borislav Iordanov
> | Cc: jsc...@li...
> | Subject: Re: [Jscheme-user] Modulo function
> |
> |
> | Yes, its broken.  For now use
> | > (% 0 5)
> | 0
> | > (% 7 5)
> | 2
> | >
> | At 03:33 PM 6/16/2004 -0400, Borislav Iordanov wrote:
> | >Hi,
> | >
> | >I noticed in Jscheme that:
> | >
> | >(modulo 0 5) => 5
> | >
> | >Is this normal behavior?
> | >
> | >Thanks,
> | >Borislav
> | >
> | >
> | >
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