File: test_iface_aggr.adb

package info (click to toggle)
gcc-arm-none-eabi 15%3A14.2.rel1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,099,328 kB
  • sloc: cpp: 3,627,108; ansic: 2,571,498; ada: 834,230; f90: 235,082; makefile: 79,231; asm: 74,984; xml: 51,692; exp: 39,736; sh: 33,298; objc: 15,629; python: 15,069; fortran: 14,429; pascal: 7,003; awk: 5,070; perl: 3,106; ml: 285; lisp: 253; lex: 204; haskell: 135
file content (40 lines) | stat: -rw-r--r-- 1,174 bytes parent folder | download | duplicates (7) 
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
39
40
 
--  { dg-do run }

with Ada.Text_IO, Ada.Tags;
procedure Test_Iface_Aggr is
   package Pkg is
     type Iface is interface;
     function Constructor (S: Iface) return Iface'Class is abstract;
     procedure Do_Test (It : Iface'class);
     type Root is abstract tagged record
        Comp_1 : Natural := 0; 
     end record;
     type DT_1 is new Root and Iface with record
         Comp_2, Comp_3 : Natural := 0;
     end record;
     function Constructor (S: DT_1) return Iface'Class;
     type DT_2 is new DT_1 with null record;  --  Test
     function Constructor (S: DT_2) return Iface'Class;
   end; 
   package body Pkg is
      procedure Do_Test (It: in Iface'Class) is
         Obj : Iface'Class := Constructor (It);
         S   : String := Ada.Tags.External_Tag (Obj'Tag);
      begin
         null;
      end;
     function Constructor (S: DT_1) return Iface'Class is
     begin
       return Iface'Class(DT_1'(others => <>));
     end;
     function Constructor (S: DT_2) return Iface'Class is
       Result : DT_2;
     begin
       return Iface'Class(DT_2'(others => <>));    --  Test
     end;
   end;
   use Pkg;
   Obj: DT_2;
begin
   Do_Test (Obj);
end;