File: pack24.adb

package info (click to toggle)
gcc-arm-none-eabi 15%3A12.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 959,712 kB
  • sloc: cpp: 3,275,382; ansic: 2,061,766; ada: 840,956; f90: 208,513; makefile: 76,132; asm: 73,433; xml: 50,448; exp: 34,146; sh: 32,436; objc: 15,637; fortran: 14,012; python: 11,991; pascal: 6,787; awk: 4,779; perl: 3,054; yacc: 338; ml: 285; lex: 201; haskell: 122
file content (38 lines) | stat: -rw-r--r-- 659 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
 
--  { dg-do run }

with Interfaces;

procedure Pack24 is

   type Enum_1 is (Lit_1);
   for Enum_1'SIZE use 16;

   type Rec1(D1 : Enum_1 := Lit_1) is
      record
         case D1 is
         when Lit_1 =>
            F1 : Interfaces.Unsigned_16;
         when others =>
            Null;
         end case;
      end record;
   pragma Pack(Rec1);

   type Rec2 is
      record
         F1 : Interfaces.Unsigned_16;
         F2 : Rec1;
   end record;
   pragma Pack(Rec2);

   type Rec3 is record
      F1 : Interfaces.Unsigned_8;
      F2 : Rec2;
   end record;
   pragma Pack(Rec3);

begin
  if Rec3'Size /= 56 then
    raise Program_Error;
  end if;
end;