Re: strict productions

Bastiaan Veelo <[email protected]> Wed, 15 Feb 2017 09:06:45 +0100

Newsgroups	gmane.comp.compilers.gpc
Message-ID	<[email protected]>

> On 15 Feb 2017, at 08:10, Paul Isaacs <[email protected]> wrote:
> 
> x( a,b,c)[ 6,7,8 ] being valid and it is not.


I think it is. This compiles and runs:

program array_return(output);

type i5 = integer value 5;
     arr_type = array[1..10, 1..10, 1..10] of i5;

var arr : arr_type;
    a, b, c : integer;

function x(a, b, c : integer) : arr_type;
begin
    x := arr;
end;

begin
    a := 2;
    b := 3;
    c := 4;
    writeln(x(a, b, c)[6, 7, 8]);   {5}
end.

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