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1 -- C64104N.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 CONSTRAINT_ERROR IS RAISED AT THE PLACE OF THE CALL
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27 -- FOR THE CASE OF A PRIVATE TYPE IMPLEMENTED AS A SCALAR TYPE
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28 -- WHERE THE VALUE OF THE FORMAL PARAMETER DOES NOT BELONG TO THE
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29 -- SUBTYPE OF THE ACTUAL PARAMETER.
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30
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31 -- HISTORY:
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32 -- DAVID A. TAFFS
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33 -- CPP 07/23/84
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34 -- RDH 04/18/90 REVISED TO CHECK THAT SUBPROGRAM IS ACTUALLY
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35 -- CALLED.
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36 -- THS 09/21/90 REWORDED COMMENT STATING THAT THE TEST DOES NOT
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37 -- ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9).
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38
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39 WITH REPORT; USE REPORT;
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40 PROCEDURE C64104N IS
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41
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42 BEGIN
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43 TEST ("C64104N", "CHECK THAT PRIVATE TYPE (SCALAR) RAISES " &
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44 "CONSTRAINT_ERROR WHEN ACTUAL AND FORMAL PARAMETER " &
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45 "BOUNDS DIFFER");
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46
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47 DECLARE
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48
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49 CALLED : BOOLEAN := FALSE;
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50
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51 PACKAGE P IS
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52 TYPE T IS PRIVATE;
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53 DC : CONSTANT T;
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54
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55 GENERIC PACKAGE PP IS
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56 END PP;
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57 PRIVATE
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58 TYPE T IS NEW INTEGER;
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59 DC : CONSTANT T := -1;
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60 END P;
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61
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62 PROCEDURE Q (X : IN OUT P.T) IS
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63 BEGIN
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64 CALLED := TRUE;
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65 X := P.DC;
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66 IF P. "=" (X, P.DC) THEN
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67 COMMENT("PROCEDURE Q WAS CALLED");
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68 END IF;
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69 EXCEPTION
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70 WHEN OTHERS =>
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71 FAILED("EXCEPTION RAISED INSIDE SUBPROGRAM");
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72 END Q;
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73
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74 GENERIC
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75 Y : IN OUT P.T;
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76 PACKAGE CALL IS
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77 END CALL;
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78
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79 PACKAGE BODY CALL IS
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80 BEGIN
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81 Q (Y);
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82 END CALL;
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83
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84 -- NOTE CALL HAS VARIABLE OF A PRIVATE TYPE AS AN OUT PARAMETER.
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85 -- THIS TEST DOES NOT ACCEPT THE LITERAL INTERPRETATION OF 6.4.1(9).
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86 -- REFER TO ADA IMPLEMENTOR'S GUIDE 6.4.1 SEMANTIC RAMIFICATION 19
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87 -- AND AI-00025 FOR CLARIFICATION AS TO WHY THE LITERAL
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88 -- INTERPRETATION IS REJECTED.
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89
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90 PACKAGE BODY P IS
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91 Z : T RANGE 0..1 := 0;
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92 PACKAGE BODY PP IS
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93 PACKAGE CALL_Q IS NEW CALL(Z);
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94 END PP;
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95 END P;
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96
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97 BEGIN
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98 BEGIN
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99 DECLARE
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100 PACKAGE CALL_Q_NOW IS NEW P.PP; -- EXCEPTION
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101 BEGIN
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102 FAILED ("NO EXCEPTION RAISED");
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103 END;
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104 EXCEPTION
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105 WHEN CONSTRAINT_ERROR =>
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106 IF NOT CALLED THEN
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107 FAILED("SUBPROGRAM Q WAS NOT CALLED");
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108 END IF;
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109 WHEN OTHERS =>
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110 FAILED("WRONG EXCEPTION RAISED");
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111 END;
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112
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113 RESULT;
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114
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115 END;
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116 END C64104N;
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