gnulib/tst-gcc.c

   1 /* Test program for the gcc interface.
   2    Copyright (C) 2000-2022 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <stdio.h>
  20
  21 #define __no_type_class         -1
  22 #define __void_type_class        0
  23 #define __integer_type_class     1
  24 #define __char_type_class        2
  25 #define __enumeral_type_class    3
  26 #define __boolean_type_class     4
  27 #define __pointer_type_class     5
  28 #define __reference_type_class   6
  29 #define __offset_type_class      7
  30 #define __real_type_class        8
  31 #define __complex_type_class     9
  32 #define __function_type_class   10
  33 #define __method_type_class     11
  34 #define __record_type_class     12
  35 #define __union_type_class      13
  36 #define __array_type_class      14
  37 #define __string_type_class     15
  38 #define __set_type_class        16
  39 #define __file_type_class       17
  40 #define __lang_type_class       18
  41
  42
  43 #define TEST(var) \
  44   ({ int wrong = (__builtin_classify_type (__##var##_type)                    \
  45                   != __##var##_type_class);                                   \
  46      printf ("%-15s is %d: %s\n",                                             \
  47              #var, __builtin_classify_type (__##var##_type),                  \
  48              wrong ? "WRONG" : "OK");                                         \
  49      wrong;                                                                   \
  50   })
  51
  52
  53 static int
  54 do_test (void)
  55 {
  56   int result = 0;
  57   int __integer_type;
  58   void *__pointer_type;
  59   double __real_type;
  60   __complex__ double __complex_type;
  61   struct { int a; } __record_type;
  62   union { int a; int b; } __union_type;
  63
  64   result |= TEST (integer);
  65   result |= TEST (pointer);
  66   result |= TEST (real);
  67   result |= TEST (complex);
  68   result |= TEST (record);
  69   result |= TEST (union);
  70
  71   return result;
  72 }
  73
  74 #define TEST_FUNCTION do_test ()
  75 #include "../test-skeleton.c"