gcc/testsuite/ada/acats/tests/c8/c87a05a.ada

   1 -- C87A05A.ADA
   2
   3 --                             Grant of Unlimited Rights
   4 --
   5 --     Under contracts F33600-87-D-0337, F33600-84-D-0280, MDA903-79-C-0687,
   6 --     F08630-91-C-0015, and DCA100-97-D-0025, the U.S. Government obtained
   7 --     unlimited rights in the software and documentation contained herein.
   8 --     Unlimited rights are defined in DFAR 252.227-7013(a)(19).  By making
   9 --     this public release, the Government intends to confer upon all
  10 --     recipients unlimited rights  equal to those held by the Government.
  11 --     These rights include rights to use, duplicate, release or disclose the
  12 --     released technical data and computer software in whole or in part, in
  13 --     any manner and for any purpose whatsoever, and to have or permit others
  14 --     to do so.
  15 --
  16 --                                    DISCLAIMER
  17 --
  18 --     ALL MATERIALS OR INFORMATION HEREIN RELEASED, MADE AVAILABLE OR
  19 --     DISCLOSED ARE AS IS.  THE GOVERNMENT MAKES NO EXPRESS OR IMPLIED
  20 --     WARRANTY AS TO ANY MATTER WHATSOEVER, INCLUDING THE CONDITIONS OF THE
  21 --     SOFTWARE, DOCUMENTATION OR OTHER INFORMATION RELEASED, MADE AVAILABLE
  22 --     OR DISCLOSED, OR THE OWNERSHIP, MERCHANTABILITY, OR FITNESS FOR A
  23 --     PARTICULAR PURPOSE OF SAID MATERIAL.
  24 --*
  25 -- CHECK THAT FUNCTION CALLS AND INDEXED COMPONENT EXPRESSIONS CAN BE
  26 -- DISTINGUISHED BY THE RULES OF OVERLOADING RESOLUTION.
  27 --
  28 -- PART 1 : CORRECT RESOLUTION IS INDEXED COMPONENT EXPRESSION
  29
  30 -- TRH  13 JULY 82
  31 -- DSJ  09 JUNE 83
  32
  33 WITH REPORT; USE REPORT;
  34
  35 PROCEDURE C87A05A IS
  36
  37      OK : BOOLEAN := TRUE;
  38      TYPE VECTOR IS ARRAY (1 .. 5) OF BOOLEAN;
  39
  40      PROCEDURE P (ARG : BOOLEAN) IS          -- THIS IS CORRECT P
  41      BEGIN
  42           OK := ARG;
  43      END P;
  44
  45      PROCEDURE P (ARG : CHARACTER) IS
  46      BEGIN
  47           OK := FALSE;
  48      END P;
  49
  50      FUNCTION Y RETURN VECTOR IS             -- THIS IS CORRECT Y
  51      BEGIN
  52           RETURN (VECTOR'RANGE => TRUE);
  53      END Y;
  54
  55      FUNCTION Y (ARG : INTEGER) RETURN FLOAT IS
  56      BEGIN
  57           OK := FALSE;
  58           RETURN 0.0;
  59      END Y;
  60
  61      FUNCTION Y (ARG : CHARACTER) RETURN CHARACTER IS
  62      BEGIN
  63           OK := FALSE;
  64           RETURN 'A';
  65      END Y;
  66
  67      FUNCTION Y (ARG : FLOAT) RETURN FLOAT IS
  68      BEGIN
  69           OK := FALSE;
  70           RETURN 0.0;
  71      END Y;
  72
  73      FUNCTION Y RETURN BOOLEAN IS
  74      BEGIN
  75           OK := FALSE;
  76           RETURN FALSE;
  77      END Y;
  78
  79      FUNCTION Y (ARG : CHARACTER := 'A') RETURN BOOLEAN IS
  80      BEGIN
  81           OK := FALSE;
  82           RETURN FALSE;
  83      END Y;
  84
  85      FUNCTION Z RETURN INTEGER IS            -- THIS IS CORRECT Z
  86      BEGIN
  87           RETURN 3;
  88      END Z;
  89
  90      FUNCTION Z RETURN FLOAT IS
  91      BEGIN
  92           OK := FALSE;
  93           RETURN 3.0;
  94      END Z;
  95
  96 BEGIN
  97      TEST ("C87A05A","OVERLOADING RESOLUTION FOR DISTINGUISHING " &
  98            "FUNCTION CALLS FROM INDEXED COMPONENTS WHERE INDEXED " &
  99            "COMPONENTS ARE CORRECT");
 100
 101      P (Y (Z) );
 102
 103      IF NOT OK THEN
 104           FAILED ("RESOLUTION INCORRECT");
 105      END IF;
 106
 107      RESULT;
 108 END C87A05A;