From: gautier_niouzes@hotmail.com
Subject: Q: discrete_subtype_definition: static only cases?
Date: Sun, 7 Jun 2020 02:27:32 -0700 (PDT)
Date: 2020-06-07T02:27:32-07:00 [thread overview]
Message-ID: <2d4d6645-7055-4564-a854-6da5fc83af4eo@googlegroups.com> (raw)
Hi,
Are there cases in the Ada syntax where a discrete_subtype_definition (RM 3.6 (6)) is expected to be determined at compile-time?
For instance, for array indices or "for" loops, it can be static or dynamic.
Same for subtypes.
procedure SD is
A : array (1 .. 5) of Integer;
type XYZ is (X, Y, Z);
begin
for I in 1 .. 3 loop
declare
B : array (1 .. I) of Integer; -- I is a variable
begin
for J in 1 .. I loop -- I is a variable
B (J) := J;
end loop;
end;
end loop;
for E in XYZ loop
declare
subtype S is XYZ range X .. E; -- E is a variable
begin
null;
end;
end loop;
end;
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next reply other threads:[~2020-06-07 9:27 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-07 9:27 gautier_niouzes [this message]
2020-06-07 10:40 ` Q: discrete_subtype_definition: static only cases? J-P. Rosen
2020-06-07 11:36 ` Niklas Holsti
2020-06-07 12:05 ` Niklas Holsti
2020-06-07 21:02 ` J-P. Rosen
2020-06-08 4:55 ` gautier_niouzes
2020-06-07 12:13 ` gautier_niouzes
2020-06-07 13:02 ` Jeffrey R. Carter
2020-06-07 13:14 ` gautier_niouzes
2020-06-07 13:50 ` AdaMagica
2020-06-07 14:11 ` gautier_niouzes
2020-06-07 13:00 ` Jeffrey R. Carter
2020-06-11 5:36 ` reinert
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