comparison gcc/testsuite/ada/acats/support/f730a000.a @ 111:04ced10e8804

gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 -- F730A000.A
2 --
3 -- Grant of Unlimited Rights
4 --
5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
7 -- unlimited rights in the software and documentation contained herein.
8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
9 -- this public release, the Government intends to confer upon all
10 -- recipients unlimited rights equal to those held by the Government.
11 -- These rights include rights to use, duplicate, release or disclose the
12 -- released technical data and computer software in whole or in part, in
13 -- any manner and for any purpose whatsoever, and to have or permit others
14 -- to do so.
15 --
16 -- DISCLAIMER
17 --
18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
24 --*
25 --
26 -- FOUNDATION DESCRIPTION:
27 -- This file simulates a generic linked list abstraction for use in tests
28 -- covering tagged types and type extensions.
29 --
30 -- TEST FILES:
31 -- This foundation consists of the following files:
32 --
33 -- => F730A000.A
34 -- F730A001.A
35 --
36 -- CHANGE HISTORY:
37 -- 06 Dec 94 SAIC ACVC 2.0
38 -- 03 Aug 96 SAIC ACVC 2.1: Modified prologue. Added pragma
39 -- Elaborate_Body. Removed extraneous record
40 -- extension.
41 --
42 --!
43
44 generic -- Singly-linked list abstraction.
45 type Parent_Type is tagged private; -- Actual is parent
46 package F730A000 is -- tagged type.
47
48 pragma Elaborate_Body;
49
50
51 -- Declarations for private linked list nodes:
52
53 type Priv_Node_Type is new Parent_Type with private; -- Private extension
54 -- of parent type.
55
56 -- Inherits primitive operations of actual parameter corresponding
57 -- to Parent_Type.
58
59
60 type Priv_Node_Ptr is access Priv_Node_Type;
61
62
63 -- Add node at head of list.
64 procedure Add (Item : in Priv_Node_Ptr;
65 Head : in out Priv_Node_Ptr);
66
67 -- Remove node from head of list and return it.
68 procedure Remove (Head : in out Priv_Node_Ptr;
69 Item : out Priv_Node_Ptr);
70
71
72 private
73
74 type Priv_Node_Type is new Parent_Type with record
75 Next : Priv_Node_Ptr := null;
76 end record;
77
78 end F730A000;
79
80
81 --==================================================================--
82
83
84 package body F730A000 is -- Singly-linked list abstraction.
85
86
87 procedure Add (Item : in Priv_Node_Ptr;
88 Head : in out Priv_Node_Ptr) is
89 begin
90 if Item /= null then
91 Item.Next := Head;
92 Head := Item;
93 end if;
94 end Add;
95
96
97 procedure Remove (Head : in out Priv_Node_Ptr;
98 Item : out Priv_Node_Ptr) is
99 begin
100 Item := Head;
101 if Head /= null then
102 Head := Head.Next;
103 end if;
104 end Remove;
105
106
107 end F730A000;