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1 -- C87B16A.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 -- CHECK THAT OVERLOADING RESOLUTION USES THE RULE THAT:
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26 --
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27 -- FOR A DEFAULT RECORD COMPONENT, THE TYPE OF THE INITIALIZATION
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28 -- EXPRESSION MUST MATCH THE COMPONENTS'S EXPLICIT TYPEMARK.
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29 --
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30 -- THE FOUR KINDS OF EXPRESSIONS TESTED HERE ARE:
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31 --
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32 -- (A): A CALL TO AN OVERLOADED FUNCTION.
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33 -- (B): AN OVERLOADED OPERATOR SYMBOL.
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34 -- (C): AN OVERLOADED (INFIX) OPERATOR.
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35 -- (D): AN OVERLOADED ENUMERATION LITERAL.
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36
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37 -- TRH 23 JUNE 82
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38
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39 WITH REPORT; USE REPORT;
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40
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41 PROCEDURE C87B16A IS
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42
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43 TYPE WHOLE IS NEW INTEGER RANGE 0..INTEGER'LAST;
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44 TYPE CITRUS IS (LEMON, LIME, ORANGE);
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45 TYPE HUE IS (RED, ORANGE, YELLOW);
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46
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47 FUNCTION F1 (X, Y : INTEGER) RETURN INTEGER IS
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48 BEGIN
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49 RETURN -1;
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50 END F1;
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51
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52 FUNCTION F1 (X, Y : WHOLE) RETURN WHOLE IS
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53 BEGIN
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54 RETURN 0;
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55 END F1;
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56
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57 FUNCTION F1 (X, Y : INTEGER) RETURN HUE IS
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58 BEGIN
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59 RETURN ORANGE;
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60 END F1;
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61
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62 FUNCTION F1 (X, Y : INTEGER) RETURN CITRUS IS
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63 BEGIN
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64 RETURN ORANGE;
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65 END F1;
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66
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67 BEGIN
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68 TEST ("C87B16A","OVERLOADED INITIALIZATION EXPRESSIONS" &
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69 " IN DEFAULT RECORD COMPONENTS");
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70 DECLARE
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71
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72 FUNCTION "-" (X, Y : INTEGER) RETURN INTEGER
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73 RENAMES F1;
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74
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75 FUNCTION "-" (X, Y : WHOLE) RETURN WHOLE
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76 RENAMES F1;
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77
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78 FUNCTION "-" (X, Y : INTEGER) RETURN HUE
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79 RENAMES F1;
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80
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81 FUNCTION "-" (X, Y : INTEGER) RETURN CITRUS
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82 RENAMES F1;
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83
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84 TYPE REC IS
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85 RECORD
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86 I1 : INTEGER := F1 (0, 0);
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87 W1 : WHOLE := F1 (0, 0);
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88 C1 : CITRUS := F1 (0, 0);
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89 H1 : HUE := F1 (0, 0);
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90
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91 I2 : INTEGER := "-" (0, 0);
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92 W2 : WHOLE := "-" (0, 0);
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93 C2 : CITRUS := "-" (0, 0);
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94 H2 : HUE := "-" (0, 0);
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95
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96 I3 : INTEGER := (0 - 0);
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97 W3 : WHOLE := (0 - 0);
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98 C3 : CITRUS := (0 - 0);
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99 H3 : HUE := (0 - 0);
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100
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101 C4 : CITRUS := ORANGE;
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102 H4 : HUE := ORANGE;
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103 END RECORD;
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104
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105 R1 : REC;
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106
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107 BEGIN
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108 IF R1.I1 /= -1 OR R1.W1 /= 0 OR
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109 CITRUS'POS (R1.C1) /= 2 OR HUE'POS (R1.H1) /= 1 THEN
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110 FAILED ("(A): RESOLUTION INCORRECT - FUNCTION CALL");
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111 END IF;
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112
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113 IF R1.I2 /= -1 OR R1.W2 /= 0 OR
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114 CITRUS'POS (R1.C2) /= 2 OR HUE'POS (R1.H2) /= 1 THEN
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115 FAILED ("(B): RESOLUTION INCORRECT - OPERATOR SYMBOL");
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116 END IF;
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117
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118 IF R1.I3 /= -1 OR R1.W3 /= 0 OR
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119 CITRUS'POS (R1.C3) /= 2 OR HUE'POS (R1.H3) /= 1 THEN
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120 FAILED ("(C): RESOLUTION INCORRECT - INFIX OPERATOR");
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121 END IF;
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122
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123 IF CITRUS'POS (R1.C4) /= 2 OR HUE'POS (R1.H4) /= 1 THEN
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124 FAILED ("(D): RESOLUTION INCORRECT - ENUMERATION LITERAL");
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125 END IF;
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126 END;
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127
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128 RESULT;
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129 END C87B16A;
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