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1 -- C52104X.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 LENGTHS MUST MATCH IN ARRAY AND SLICE ASSIGNMENTS.
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26 -- MORE SPECIFICALLY, TEST THAT ATTEMPTED ASSIGNMENTS BETWEEN
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27 -- ARRAYS WITH NON-MATCHING LENGTHS LEAVE THE DESTINATION ARRAY
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28 -- INTACT AND CAUSE CONSTRAINT_ERROR TO BE RAISED.
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29 -- (OVERLAPS BETWEEN THE OPERANDS OF THE ASSIGNMENT STATEMENT
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30 -- ARE TREATED ELSEWHERE.)
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31
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32 -- THIS IS A SPECIAL CASE IN
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33
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34 -- DIVISION C : NON-NULL ARRAYS WHOSE LENGTHS ARE NOT DETERMINABLE
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35 -- STATICALLY
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36
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37 -- WHICH TREATS ARRAYS OF LENGTH GREATER THAN INTEGER'LAST .
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38 -- AN ADDITIONAL OBJECTIVE OF THIS TEST IS TO CHECK WHETHER LENGTH
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39 -- COMPARISONS (AND LENGTH COMPUTATIONS) CAUSE
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40 -- CONSTRAINT_ERROR TO BE RAISED.
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41
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42 -- *** NOTE: This test has been modified since ACVC version 1.11 to -- 9X
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43 -- *** remove incompatibilities associated with the transition -- 9X
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44 -- *** to Ada 9X. -- 9X
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45 -- *** -- 9X
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46
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47 -- RM 07/31/81
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48 -- SPS 02/07/83
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49 -- EG 10/28/85 FIX NUMERIC_ERROR/CONSTRAINT_ERROR ACCORDING TO
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50 -- AI-00387.
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51 -- JRK 06/24/86 FIXED COMMENTS ABOUT NUMERIC_ERROR/CONSTRAINT_ERROR.
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52 -- MRM 03/30/93 REMOVED NUMERIC_ERROR FOR 9X INCOMPATIBILITY
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53
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54 WITH REPORT;
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55 PROCEDURE C52104X IS
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56
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57 USE REPORT ;
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58
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59 BEGIN
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60
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61 TEST( "C52104X" , "CHECK THAT IN ARRAY ASSIGNMENTS AND IN SLICE " &
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62 "ASSIGNMENTS, THE LENGTHS MUST MATCH; ALSO " &
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63 "CHECK WHETHER CONSTRAINT_ERROR " &
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64 "OR STORAGE_ERROR ARE RAISED FOR LARGE ARRAYS");
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65
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66 -- IN THIS TEST WE CAN'T USE AGGREGATE ASSIGNMENT (EXCEPT WHEN
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67 -- THE AGGREGATES ARE STRING LITERALS); THEREFORE:
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68 --
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69 -- (1) ARRAYS WILL BE INITIALIZED BY INDIVIDUAL ASSIGNMENTS;
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70 -- (2) CAN'T USE NON-NULL CONSTANT ARRAYS.
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71
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72
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73 -- WE ASSUME THAT IN AN ARRAY_TYPE_DEFINITION THE INDEX PORTION
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74 -- AND THE COMPONENT_TYPE PORTION ARE FUNCTIONALLY ORTHOGONAL
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75 -- ALSO AT THE IMPLEMENTATION LEVEL, I.E. THAT THE CORRECTNESS
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76 -- OF THE ACCESSING MECHANISM FOR ARRAYS DOES NOT DEPEND ON
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77 -- COMPONENT_TYPE. ACCORDINGLY WE ARE TESTING FOR SOME BUT
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78 -- NOT ALL KINDS OF COMPONENT_TYPE. (COMPONENT_TYPES INCLUDED:
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79 -- INTEGER , CHARACTER , BOOLEAN .)
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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 -- (12) SLICED ONE-DIMENSIONAL ARRAY OBJECTS WHOSE TYPEMARKS
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85 -- WERE DEFINED USING THE "BOX" SYMBOL
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86 -- AND FOR WHICH THE COMPONENT TYPE IS NOT 'CHARACTER' .
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87 -- ((ONE-DIMENSIONAL) ARRAYS OF BOOLEANS.)
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88
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89 CONSTR_ERR: -- THIS BLOCK CATCHES CONSTRAINT_ERROR
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90 -- FOR THE SUBTYPE DECLARATION.
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91 BEGIN
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92
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93 DCL_ARR: DECLARE -- THIS BLOCK DECLARES THE ARRAY SUBTYPE.
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94
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95 TYPE TABOX5 IS ARRAY( INTEGER RANGE <> ) OF BOOLEAN ;
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96 PRAGMA PACK (TABOX5);
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97
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98 SUBTYPE TABOX51 IS TABOX5
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99 (IDENT_INT(-6)..IDENT_INT(INTEGER'LAST-4));
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100 -- CONSTRAINT_ERROR MAY BE RAISED BY THIS
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101 -- SUBTYPE DECLARATION.
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102
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103 BEGIN
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104
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105 COMMENT ("NO CONSTRAINT_ERROR FOR TYPE " &
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106 "WITH 'LENGTH = INTEGER'LAST + 3");
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107
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108 OBJ_DCL: DECLARE -- THIS BLOCK DECLARES TWO BOOLEAN ARRAYS THAT
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109 -- HAVE INTEGER'LAST + 3 COMPONENTS;
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110 -- STORAGE_ERROR MAY BE RAISED.
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111 ARRX51 : TABOX51 ;
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112 ARRX52 : TABOX5
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113 (IDENT_INT(-2)..IDENT_INT( INTEGER'LAST));
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114
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115 BEGIN
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116
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117 COMMENT ("NO STORAGE_ERROR OR " &
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118 "CONSTRAINT_ERROR RAISED WHEN ALLOCATING TWO " &
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119 "BIG BOOLEAN ARRAYS");
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120
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121 -- INITIALIZATION OF LHS ARRAY:
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122
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123 NO_EXCP: BEGIN -- NO EXCEPTION SHOULD OCCUR IN THIS BLOCK
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124 FOR I IN IDENT_INT(-2)..IDENT_INT(9) LOOP
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125 ARRX52( I ) := FALSE ;
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126 END LOOP;
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127
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128
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129 -- INITIALIZATION OF RHS ARRAY:
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130
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131 -- ONLY A SHORT INITIAL SEGMENT IS INITIALIZED,
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132 -- SINCE A COMPLETE INITIALIZATION MIGHT TAKE TOO LONG
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133 -- AND THE EXECUTION MIGHT BE ABORTED BEFORE THE LENGTH
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134 -- COMPARISON OF THE ARRAY ASSIGNMENT IS ATTEMPTED.
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135
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136 FOR I IN IDENT_INT(-6)..IDENT_INT(5) LOOP
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137 ARRX51( I ) := TRUE ;
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138 END LOOP;
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139
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140 EXCEPTION
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141
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142 WHEN CONSTRAINT_ERROR =>
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143 FAILED ("CONSTRAINT_ERROR RAISED WHEN " &
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144 "ASSIGNING TO ARRAY COMPONENTS");
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145 WHEN OTHERS =>
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146 FAILED ("OTHER EXCEPTION RAISED - 1");
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147
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148 END NO_EXCP;
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149
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150 DO_SLICE: BEGIN
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151 -- SLICE ASSIGNMENT:
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152
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153 ARRX52( IDENT_INT(-1)..IDENT_INT(INTEGER'LAST )) :=
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154 ARRX51(
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155 IDENT_INT(-4)..IDENT_INT(INTEGER'LAST-4) ) ;
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156 FAILED( "EXCEPTION NOT RAISED (12)" );
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157
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158 EXCEPTION
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159
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160 WHEN CONSTRAINT_ERROR =>
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161
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162 COMMENT ("CONSTRAINT_ERROR RAISED DURING " &
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163 "CHECK FOR SLICE ASSIGNMENT");
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164
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165 -- CHECKING THE VALUES AFTER THE SLICE
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166 -- ASSIGNMENT:
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167
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168 FOR I IN IDENT_INT(-2)..IDENT_INT(9) LOOP
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169
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170 IF ARRX52( I ) /= FALSE
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171 THEN
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172 FAILED( "LHS ARRAY ALTERED (12A)");
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173 END IF;
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174
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175 END LOOP;
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176
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177
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178 WHEN STORAGE_ERROR =>
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179 COMMENT ("STORAGE_ERROR RAISED DURING CHECK " &
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180 "FOR SLICE ASSIGNMENT");
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181
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182 WHEN OTHERS =>
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183 FAILED ("SOME EXCEPTION RAISED DURING SLICE");
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184
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185 END DO_SLICE;
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186
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187 END OBJ_DCL;
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188
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189 EXCEPTION
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190
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191 WHEN STORAGE_ERROR =>
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192 COMMENT ("STORAGE_ERROR RAISED WHEN DECLARING " &
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193 "TWO PACKED BOOLEAN ARRAYS WITH " &
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194 "INTEGER'LAST + 3 COMPONENTS");
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195 WHEN CONSTRAINT_ERROR =>
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196 COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING " &
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197 "TWO PACKED BOOLEAN ARRAYS WITH " &
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198 "INTEGER'LAST + 3 COMPONENTS");
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199 WHEN OTHERS =>
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200 FAILED ("SOME EXCEPTION RAISED - 3");
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201
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202 END DCL_ARR;
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203
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204 EXCEPTION
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205
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206
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207 WHEN CONSTRAINT_ERROR =>
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208 COMMENT ("CONSTRAINT_ERROR RAISED WHEN DECLARING AN " &
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209 "ARRAY SUBTYPE WITH INTEGER'LAST + 3 " &
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210 "COMPONENTS");
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211
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212 WHEN STORAGE_ERROR =>
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213 FAILED ("STORAGE_ERROR RAISED FOR TYPE DECLARATION");
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214
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215 WHEN OTHERS =>
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216 FAILED ("OTHER EXCEPTION RAISED - 4");
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217
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218 END CONSTR_ERR;
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219
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220 RESULT ;
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221
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222 END C52104X;
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