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111
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1 -- FC51C00.A
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2 --
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3 -- Grant of Unlimited Rights
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4 --
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5 -- Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
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6 -- F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
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7 -- unlimited rights in the software and documentation contained herein.
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8 -- Unlimited rights are defined in DFAR 252.227-7013(a)(19). By making
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9 -- this public release, the Government intends to confer upon all
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10 -- recipients unlimited rights equal to those held by the Government.
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11 -- These rights include rights to use, duplicate, release or disclose the
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12 -- released technical data and computer software in whole or in part, in
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13 -- any manner and for any purpose whatsoever, and to have or permit others
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14 -- to do so.
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15 --
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16 -- DISCLAIMER
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17 --
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18 -- ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
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19 -- DISCLOSED ARE AS IS. THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
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20 -- WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
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21 -- SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
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22 -- OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
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23 -- PARTICULAR PURPOSE OF SAID MATERIAL.
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24 --*
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25 --
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26 -- FOUNDATION DESCRIPTION:
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27 -- This foundation declares a hierarchy of tagged types, which includes
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28 -- both abstract and non-abstract types, and which have both abstract
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29 -- and non-abstract primitive subprograms.
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30 --
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31 -- CHANGE HISTORY:
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32 -- 06 Dec 94 SAIC ACVC 2.0
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33 -- 03 Nov 95 SAIC ACVC 2.0.1 fixes: Deleted primitive operation Proc
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34 -- of Concrete_Root.
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35 -- 11 Aug 96 SAIC ACVC 2.1: Changed procedure bodies to update
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36 -- actual parameters.
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37 --
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38 --!
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39
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40 package FC51C00 is
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41
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42 --
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43 -- Non-abstract ultimate ancestor type:
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44 --
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45
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46 type Concrete_Root is tagged null record;
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47
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48 function Func (P: Concrete_Root) return Concrete_Root; -- Abstract when
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49 -- inherited.
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50
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51
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52 --
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53 -- Abstract descendant of non-abstract ultimate ancestor:
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54 --
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55
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56 type Abstract_Child is abstract new Concrete_Root with null record;
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57
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58 -- Inherits:
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59 -- function Func (P: Abstract_Child) return Abstract_Child is abstract;
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60
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61 procedure Proc (P: in out Abstract_Child) is abstract; -- Abstract.
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62 procedure New_Proc (P : out Abstract_Child) is abstract; -- Abstract.
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63
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64
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65
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66 --
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67 -- Non-abstract descendant of abstract descendant:
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68 --
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69
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70 type Concrete_GrandChild is new Abstract_Child with null record;
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71
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72 function Func (P: Concrete_GrandChild) return Concrete_GrandChild;
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73
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74 procedure Proc (P: in out Concrete_GrandChild);
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75 procedure New_Proc (P : out Concrete_GrandChild);
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76
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77
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78 end FC51C00;
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79
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80
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81 --===================================================================--
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82
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83
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84 package body FC51C00 is
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85
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86 Value : Concrete_GrandChild;
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87
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88
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89 function Func (P: Concrete_Root) return Concrete_Root is
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90 begin
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91 return P;
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92 end Func;
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93
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94
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95 function Func (P: Concrete_GrandChild) return Concrete_GrandChild is
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96 begin
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97 return P;
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98 end Func;
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99
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100
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101 procedure Proc (P: in out Concrete_GrandChild) is
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102 begin
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103 P := Value;
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104 end Proc;
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105
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106
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107 procedure New_Proc (P : out Concrete_GrandChild) is
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108 begin
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109 P := Value;
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110 end New_Proc;
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111
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112 end FC51C00;
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