Re: unbound array?

[Jim Rogers <jimmaureenrogers@att.net>]

"John Clarke" <jclarke@abit.com.au> wrote in
news:41046a70@dnews.tpgi.com.au: 

> Hello!
> 
> I was hoping someone could shed some light. I am writing an ADA
> program that reads a file and counts the number of words in the text
> file and stores the word length, of each word encountered, in an
> array. So for instance i have defined:
> 
> size : integer := 100;
> type length_type is array (1..size) of integer;
> word_length : length_type;
> 
> Now, if the text file is: "A rat was here."
> 
> Hence, word_length(1) = 1, word_length(2) = 3, word_length(4) = 4
> etc... 
> 
> The problem I am facing is that I don't know how many words I will
> encounter in the text file. I do not want to constrain size to 100 as
> I have above. I know I can use unconstrained array type, but this also
> doesn't solve the problem as an unconstrained array requires a
> predefined size assigned prior to assigning values to it.
> 
> I know that size will never be greater than the number of characters
> in the text file. But it would be a little ridiculous assigning "size"
> = "number of characters in text file".
> 
> How can this problem be solved? Any help would be great.
> 

Does the result have to be stored in an array?
Can it be stored in a list instead?

Jim Rogers