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111
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1 -- CD1C04E.ADA
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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 -- OBJECTIVE:
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26 -- CHECK THAT A RECORD REPRESENTATION CLAUSE CAN BE GIVEN FOR
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27 -- A DERIVED RECORD TYPE EVEN IF THE REPRESENTATION IS INHERITED
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28 -- FROM THE PARENT, AND THAT THE REPRESENTATION CLAUSE FOR THE
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29 -- DERIVED TYPE OVERRIDES THAT OF THE PARENT TYPE.
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30
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31 -- HISTORY:
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32 -- PWB 03/25/89 DELETED CHECKS OF COMPONENT'SIZE; CHANGED
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33 -- EXTENSION FROM '.ADA' TO '.DEP'.
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34 -- JET 09/21/87 CREATED ORIGINAL TEST.
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35
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36 WITH REPORT; USE REPORT;
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37 WITH SYSTEM; USE SYSTEM;
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38
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39 PROCEDURE CD1C04E IS
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40
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41 UNITS_PER_INTEGER : CONSTANT :=
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42 (INTEGER'SIZE + SYSTEM.STORAGE_UNIT - 1) /
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43 SYSTEM.STORAGE_UNIT;
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44
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45 TYPE E_TYPE IS (RED, BLUE, GREEN);
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46
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47 TYPE PARENT_TYPE IS
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48 RECORD
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49 I : INTEGER RANGE 0 .. 127 := 127;
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50 C : CHARACTER := 'S';
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51 B : BOOLEAN := FALSE;
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52 E : E_TYPE := BLUE;
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53 END RECORD;
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54
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55 FOR PARENT_TYPE USE
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56 RECORD
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57 C AT 0 * UNITS_PER_INTEGER RANGE 0 .. CHARACTER'SIZE - 1;
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58 B AT 1 * UNITS_PER_INTEGER RANGE 0 .. BOOLEAN'SIZE - 1;
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59 I AT 2 * UNITS_PER_INTEGER RANGE 0 .. INTEGER'SIZE/2 - 1;
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60 E AT 3 * UNITS_PER_INTEGER RANGE 0 .. CHARACTER'SIZE - 1;
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61 END RECORD;
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62
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63 TYPE DERIVED_TYPE IS NEW PARENT_TYPE;
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64
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65 FOR DERIVED_TYPE USE
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66 RECORD
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67 C AT 1 * UNITS_PER_INTEGER RANGE 1 .. CHARACTER'SIZE + 1;
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68 B AT 3 * UNITS_PER_INTEGER RANGE 1 .. BOOLEAN'SIZE + 1;
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69 I AT 5 * UNITS_PER_INTEGER RANGE 1 .. INTEGER'SIZE/2 + 1;
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70 E AT 7 * UNITS_PER_INTEGER RANGE 1 .. CHARACTER'SIZE + 1;
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71 END RECORD;
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72
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73 P_REC : PARENT_TYPE;
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74 REC : DERIVED_TYPE;
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75
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76 BEGIN
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77
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78 TEST("CD1C04E", "CHECK THAT A RECORD REPRESENTATION CLAUSE " &
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79 "CAN BE GIVEN FOR A DERIVED RECORD TYPE EVEN " &
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80 "IF THE REPRESENTATION IS INHERITED FROM " &
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81 "THE PARENT, AND THAT THE REPRESENTATION " &
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82 "CLAUSE FOR THE DERIVED TYPE OVERRIDES THAT " &
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83 "OF THE PARENT TYPE");
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84
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85 IF DERIVED_TYPE'SIZE = IDENT_INT (PARENT_TYPE'SIZE) THEN
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86 FAILED ("DERIVED_TYPE'SIZE WAS INHERITED FROM " &
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87 "PARENT_TYPE");
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88 END IF;
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89
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90 REC := (12, 'T', TRUE, RED);
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91
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92 IF (REC.I /= 12) OR (REC.C /= 'T') OR
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93 (NOT REC.B) OR (REC.E /= RED) THEN
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94 FAILED ("THE VALUES OF DERIVED_TYPE COMPONENTS WERE " &
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95 "INCORRECT");
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96 END IF;
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97
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98 IF REC.I'POSITION = P_REC.I'POSITION OR
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99 REC.C'POSITION = P_REC.C'POSITION OR
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100 REC.B'POSITION = P_REC.B'POSITION OR
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101 REC.E'POSITION = P_REC.E'POSITION THEN
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102 FAILED ("THE POSITIONS OF DERIVED_TYPE COMPONENTS WERE " &
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103 "INHERITED FROM PARENT_TYPE");
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104 END IF;
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105
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106 IF REC.I'FIRST_BIT = P_REC.I'FIRST_BIT OR
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107 REC.C'FIRST_BIT = P_REC.C'FIRST_BIT OR
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108 REC.B'FIRST_BIT = P_REC.B'FIRST_BIT OR
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109 REC.E'FIRST_BIT = P_REC.E'FIRST_BIT THEN
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110 FAILED ("THE FIRST_BITS OF DERIVED_TYPE COMPONENTS WERE " &
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111 "INHERITED FROM PARENT_TYPE");
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112 END IF;
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113
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114 IF REC.I'LAST_BIT = P_REC.I'LAST_BIT OR
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115 REC.C'LAST_BIT = P_REC.C'LAST_BIT OR
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116 REC.B'LAST_BIT = P_REC.B'LAST_BIT OR
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117 REC.E'LAST_BIT = P_REC.E'LAST_BIT THEN
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118 FAILED ("THE LAST_BITS OF DERIVED_TYPE COMPONENTS WERE " &
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119 "INHERITED FROM PARENT_TYPE");
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120 END IF;
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121
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122 RESULT;
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123
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124 END CD1C04E;
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