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111
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1 -- C37405A.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 WHEN ASSIGNING TO A CONSTRAINED OR UNCONSTRAINED
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26 -- OBJECT OR FORMAL PARAMETER OF A TYPE DECLARED WITH DEFAULT
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27 -- DISCRIMINANTS, THE ASSIGNMENT DOES NOT CHANGE THE 'CONSTRAINED
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28 -- ATTRIBUTE VALUE ASSOCIATED WITH THE OBJECT OR PARAMETER.
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29
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30 -- ASL 7/21/81
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31 -- TBN 1/20/86 RENAMED FROM C37209A.ADA AND REVISED THE ASSIGNMENTS
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32 -- OF CONSTRAINED AND UNCONSTRAINED OBJECTS TO ARRAY AND
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33 -- RECORD COMPONENTS.
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34
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35 WITH REPORT; USE REPORT;
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36 PROCEDURE C37405A IS
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37
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38 TYPE REC(DISC : INTEGER := 25) IS
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39 RECORD
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40 COMP : INTEGER;
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41 END RECORD;
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42
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43 SUBTYPE CONSTR IS REC(10);
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44 SUBTYPE UNCONSTR IS REC;
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45
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46 TYPE REC_C IS
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47 RECORD
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48 COMP: CONSTR;
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49 END RECORD;
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50
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51 TYPE REC_U IS
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52 RECORD
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53 COMP: UNCONSTR;
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54 END RECORD;
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55
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56 C1,C2 : CONSTR;
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57 U1,U2 : UNCONSTR;
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58 -- C2 AND U2 ARE NOT PASSED TO EITHER PROC1 OR PROC2.
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59
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60 ARR_C : ARRAY (1..5) OF CONSTR;
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61 ARR_U : ARRAY (1..5) OF UNCONSTR;
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62
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63 REC_COMP_C : REC_C;
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64 REC_COMP_U : REC_U;
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65
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66 PROCEDURE PROC11(PARM : IN OUT UNCONSTR; B : IN BOOLEAN) IS
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67 BEGIN
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68 PARM := C2;
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69 IF IDENT_BOOL(B) /= PARM'CONSTRAINED THEN
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70 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY " &
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71 "ASSIGNMENT - 1");
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72 END IF;
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73 END PROC11;
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74
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75 PROCEDURE PROC12(PARM : IN OUT UNCONSTR; B : IN BOOLEAN) IS
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76 BEGIN
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77 PARM := U2;
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78 IF B /= PARM'CONSTRAINED THEN
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79 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY " &
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80 "ASSIGNMENT - 2");
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81 END IF;
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82 END PROC12;
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83
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84 PROCEDURE PROC1(PARM : IN OUT UNCONSTR; B : IN BOOLEAN) IS
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85 BEGIN
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86 IF B /= PARM'CONSTRAINED THEN
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87 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY " &
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88 "PASSING PARAMETER");
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89 END IF;
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90
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91 PROC11(PARM, B);
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92
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93 PROC12(PARM, B);
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94
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95 END PROC1;
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96
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97 PROCEDURE PROC2(PARM : IN OUT CONSTR) IS
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98 BEGIN
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99 COMMENT ("CALLING PROC1 FROM PROC2"); -- IN CASE TEST FAILS.
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100 PROC1(PARM,TRUE);
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101 PARM := U2;
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102 IF NOT PARM'CONSTRAINED THEN
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103 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY " &
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104 "ASSIGNMENT - 3");
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105 END IF;
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106 END PROC2;
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107 BEGIN
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108 TEST("C37405A", "'CONSTRAINED ATTRIBUTE OF OBJECTS, FORMAL " &
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109 "PARAMETERS CANNOT BE CHANGED BY ASSIGNMENT");
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110
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111 C2 := (DISC => IDENT_INT(10), COMP => 3);
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112 U2 := (DISC => IDENT_INT(10), COMP => 4);
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113
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114 ARR_C := (1..5 => U2);
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115 ARR_U := (1..5 => C2);
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116
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117 REC_COMP_C := (COMP => U2);
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118 REC_COMP_U := (COMP => C2);
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119
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120 C1 := U2;
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121 U1 := C2;
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122
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123 IF U1'CONSTRAINED OR NOT C1'CONSTRAINED THEN
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124 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY ASSIGNMENT - 4");
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125 END IF;
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126
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127 IF ARR_U(3)'CONSTRAINED OR NOT ARR_C(4)'CONSTRAINED THEN
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128 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY ASSIGNMENT - 5");
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129 END IF;
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130
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131 IF REC_COMP_U.COMP'CONSTRAINED
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132 OR NOT REC_COMP_C.COMP'CONSTRAINED THEN
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133 FAILED ("'CONSTRAINED ATTRIBUTE CHANGED BY ASSIGNMENT - 6");
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134 END IF;
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135
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136 COMMENT("CALLING PROC1 DIRECTLY");
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137 PROC1(C1,TRUE);
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138 PROC2(C1);
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139
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140 COMMENT("CALLING PROC1 DIRECTLY");
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141 PROC1(U1,FALSE);
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142 PROC2(U1);
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143
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144 COMMENT("CALLING PROC1 DIRECTLY");
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145 PROC1(ARR_C(4), TRUE);
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146 PROC2(ARR_C(5));
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147
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148 COMMENT("CALLING PROC1 DIRECTLY");
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149 PROC1(ARR_U(2), FALSE);
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150 PROC2(ARR_U(3));
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151
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152 COMMENT("CALLING PROC1 DIRECTLY");
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153 PROC1(REC_COMP_C.COMP, TRUE);
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154 PROC2(REC_COMP_C.COMP);
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155
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156 COMMENT("CALLING PROC1 DIRECTLY");
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157 PROC1(REC_COMP_U.COMP, FALSE);
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158 PROC2(REC_COMP_U.COMP);
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159
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160 RESULT;
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161 END C37405A;
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