File: unchecked_convert13.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 (30 lines) | stat: -rw-r--r-- 531 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
 
-- { dg-do compile }

with Ada.Unchecked_Conversion;

procedure Unchecked_Convert13 is

  type B16_T is mod 2 ** 16;
  for B16_T'Size use 16;
  for B16_T'Alignment use 1;

  type Rec_T is record
    A : Short_Integer;
  end record;
  for Rec_T use record
    A at 0 range 0 .. 15;
  end record;
  for Rec_T'Size use 16;

  Rec : constant Rec_T := (A => 0);

  function Rec_To_B16 is new Ada.Unchecked_Conversion (Rec_T, B16_T);

  procedure Nested (B16 : B16_T) is
  begin
    null;
  end;

begin
  Nested (Rec_To_B16 (Rec));
end;