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111
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1 -- C34014R.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 DERIVED OPERATOR IS VISIBLE AND FURTHER DERIVABLE
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27 -- UNDER APPROPRIATE CIRCUMSTANCES.
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28
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29 -- CHECK WHEN THE DERIVED OPERATOR IS IMPLICITLY DECLARED IN THE
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30 -- VISIBLE PART OF A PACKAGE AND A HOMOGRAPHIC OPERATOR IS LATER
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31 -- DECLARED EXPLICITLY IN THE PACKAGE BODY.
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32
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33 -- HISTORY:
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34 -- JRK 09/22/87 CREATED ORIGINAL TEST.
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35 -- GJD 11/15/95 REMOVED ADA 83 INCOMPATIBILITIES.
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36 -- PWN 04/11/96 Restored subtests in Ada95 legal format.
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37
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38 WITH REPORT; USE REPORT;
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39
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40 PROCEDURE C34014R IS
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41
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42 PACKAGE P IS
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43 TYPE T IS RANGE -100 .. 100;
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44 FUNCTION "+" (X : T) RETURN T;
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45 END P;
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46 USE P;
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47
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48 PACKAGE BODY P IS
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49 FUNCTION "+" (X : T) RETURN T IS
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50 BEGIN
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51 RETURN X + T (IDENT_INT (1));
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52 END "+";
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53 END P;
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54
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55 BEGIN
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56 TEST ("C34014R", "CHECK THAT A DERIVED OPERATOR IS VISIBLE " &
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57 "AND FURTHER DERIVABLE UNDER APPROPRIATE " &
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58 "CIRCUMSTANCES. CHECK WHEN THE DERIVED " &
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59 "OPERATOR IS IMPLICITLY DECLARED IN THE " &
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60 "VISIBLE PART OF A PACKAGE AND A HOMOGRAPHIC " &
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61 "OPERATOR IS LATER DECLARED EXPLICITLY IN " &
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62 "THE PACKAGE BODY");
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63
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64 -----------------------------------------------------------------
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65
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66 COMMENT ("NEW OPERATOR DECLARED BY SUBPROGRAM DECLARATION");
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67
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68 DECLARE
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69
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70 PACKAGE Q IS
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71 TYPE QT IS NEW T;
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72 X : QT := +0;
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73 END Q;
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74 USE Q;
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75
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76 PACKAGE BODY Q IS
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77 FUNCTION "+" (Y : QT) RETURN QT;
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78 TYPE QR IS
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79 RECORD
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80 C : QT := +0;
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81 END RECORD;
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82 TYPE QS IS NEW QT;
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83
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84 FUNCTION "+" (Y : QT) RETURN QT IS
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85 BEGIN
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86 RETURN Y + QT (IDENT_INT (2));
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87 END "+";
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88
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89 PACKAGE R IS
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90 Y : QR;
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91 Z : QS := +0;
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92 END R;
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93 USE R;
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94 BEGIN
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95 IF X /= 1 THEN
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96 FAILED ("OLD OPERATOR NOT VISIBLE - SUBPROG " &
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97 "DECL - 1");
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98 END IF;
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99
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100 IF Y.C /= 2 THEN
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101 FAILED ("NEW OPERATOR NOT VISIBLE - SUBPROG " &
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102 "DECL");
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103 END IF;
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104
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105 IF Z /= 2 THEN
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106 FAILED ("OLD OPERATOR NOT DERIVED - SUBPROG " &
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107 "DECL - 1");
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108 END IF;
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109 END Q;
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110
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111 PACKAGE R IS
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112 Y : QT := +0;
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113 TYPE RT IS NEW QT;
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114 Z : RT := +0;
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115 END R;
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116 USE R;
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117
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118 BEGIN
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119 IF Y /= 1 THEN
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120 FAILED ("OLD OPERATOR NOT VISIBLE - SUBPROG DECL - 2");
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121 END IF;
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122
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123 IF Z /= 1 THEN
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124 FAILED ("OLD OPERATOR NOT DERIVED - SUBPROG DECL - 2");
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125 END IF;
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126 END;
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127
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128 -----------------------------------------------------------------
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129
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130 COMMENT ("NEW OPERATOR DECLARED BY RENAMING");
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131
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132 DECLARE
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133
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134 PACKAGE Q IS
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135 TYPE QT IS NEW T;
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136 X : QT := +0;
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137 END Q;
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138 USE Q;
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139
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140 PACKAGE BODY Q IS
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141 FUNCTION G (X : QT) RETURN QT;
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142 FUNCTION "+" (Y : QT) RETURN QT RENAMES G;
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143 TYPE QR IS
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144 RECORD
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145 C : QT := +0;
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146 END RECORD;
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147 TYPE QS IS NEW QT;
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148
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149 FUNCTION G (X : QT) RETURN QT IS
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150 BEGIN
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151 RETURN X + QT (IDENT_INT (2));
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152 END G;
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153
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154 PACKAGE R IS
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155 Y : QR;
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156 Z : QS := +0;
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157 END R;
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158 USE R;
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159 BEGIN
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160 IF X /= 1 THEN
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161 FAILED ("OLD OPERATOR NOT VISIBLE - RENAMING - " &
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162 "1");
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163 END IF;
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164
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165 IF Y.C /= 2 THEN
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166 FAILED ("NEW OPERATOR NOT VISIBLE - RENAMING");
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167 END IF;
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168
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169 IF Z /= 2 THEN
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170 FAILED ("OLD OPERATOR NOT DERIVED - RENAMING - " &
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171 "1");
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172 END IF;
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173 END Q;
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174
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175 PACKAGE R IS
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176 Y : QT := +0;
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177 TYPE RT IS NEW QT;
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178 Z : RT := +0;
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179 END R;
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180 USE R;
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181
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182 BEGIN
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183 IF Y /= 1 THEN
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184 FAILED ("OLD OPERATOR NOT VISIBLE - RENAMING - 2");
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185 END IF;
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186
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187 IF Z /= 1 THEN
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188 FAILED ("OLD OPERATOR NOT DERIVED - RENAMING - 2");
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189 END IF;
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190 END;
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191
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192 -----------------------------------------------------------------
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193
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194 COMMENT ("NEW OPERATOR DECLARED BY GENERIC INSTANTIATION");
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195
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196 DECLARE
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197
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198 GENERIC
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199 TYPE T IS RANGE <>;
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200 FUNCTION G (Y : T) RETURN T;
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201
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202 FUNCTION G (Y : T) RETURN T IS
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203 BEGIN
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204 RETURN Y + T (IDENT_INT (2));
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205 END G;
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206
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207 PACKAGE Q IS
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208 TYPE QT IS NEW T;
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209 X : QT := +0;
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210 END Q;
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211 USE Q;
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212
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213 PACKAGE BODY Q IS
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214 FUNCTION "+" IS NEW G (QT);
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215 W : QT := +0;
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216 TYPE QS IS NEW QT;
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217 Z : QS := +0;
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218 BEGIN
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219 IF X /= 1 THEN
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220 FAILED ("OLD OPERATOR NOT VISIBLE - " &
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221 "INSTANTIATION - 1");
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222 END IF;
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223
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224 IF W /= 2 THEN
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225 FAILED ("NEW OPERATOR NOT VISIBLE - " &
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226 "INSTANTIATION");
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227 END IF;
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228
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229 IF Z /= 2 THEN
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230 FAILED ("OLD OPERATOR NOT DERIVED - " &
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231 "INSTANTIATION - 1");
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232 END IF;
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233 END Q;
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234
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235 PACKAGE R IS
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236 Y : QT := +0;
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237 TYPE RT IS NEW QT;
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238 Z : RT := +0;
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239 END R;
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240 USE R;
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241
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242 BEGIN
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243 IF Y /= 1 THEN
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244 FAILED ("OLD OPERATOR NOT VISIBLE - INSTANTIATION - " &
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245 "2");
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246 END IF;
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247
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248 IF Z /= 1 THEN
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249 FAILED ("OLD OPERATOR NOT DERIVED - INSTANTIATION - " &
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250 "2");
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251 END IF;
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252 END;
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253
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254 -----------------------------------------------------------------
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255
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256 RESULT;
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257 END C34014R;
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