Re: request for help with suffix arrays

[Jonathan Nicholl <jonathan.nicholl@kcl.ac.uk>]

> Message: 11
> From: "vinuth madinur" <vinlin@linuxmail.org>
> To: ntg-context@ntg.nl
> Date: Thu, 15 Apr 2004 11:40:27 +0800
> Subject: [NTG-context] Re: help required w.r.t " vardef "
> Reply-To: ntg-context@ntg.nl
>
> Thanks Hans!
>               That wolud help me a lot.Also thanks for the reference u 
> mentioned.I'll try it.
>
> Now one last thing :
>
>  Is there a way of having variable arrays whose contents can be used 
> as "suffixes"?
>
>  something like ,
>
> a[0]:= "A" ;
> a[1]:= "B" ;
> a[2]:= "C" ;   %a variable array "a[]"
>
>
> there are other three "pair" variables : T.A,T.B,T.C;
>
> so now I want to have ,
>
> i := 0;
> T.a[i] = blahblah();
>
> so here I want to use the contents of "a[]" as suffix of variable " T 
> " .
>
> I don't know what kind of data type to use for "a[]".
> I tried a[] as string type and used it with
>
>  forsuffixes $=a[0],a[1],a[2]:
>    .....
>  endfor;
> but this does not work.
>
> So, can u please help me out here?
> thanx in advance.
>
> Vinuth.
> -- 
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You could use 'scantokens':

	string a[];

	a 1 := "A";
	a 2 := "B";
	a 3 := "C";

	T A := 11;
	T B := 12;
	T C := 13;

	for i = 1 upto 3:
		show (T scantokens a [i]);
	endfor;

	end

This produces the output

	>>11
	>>12
	>>13

The idea is to store the suffixes as strings, and then use 'scantokens' 
to extract them.

Best wishes,

Jonathan

-----------------------

Jonathan Nicholl
Department of Philosophy
King's College London