extl/type/traits/is_scalar.h

   1 /* ///////////////////////////////////////////////////////////////////////
   2  * File:                is_scalar.h
   3  *
   4  * Created:             08.02.07
   5  * Updated:             08.07.09
   6  *
   7  * Brief: is_scalar traits
   8  *
   9  * [<Home>]
  10  * Copyright (c) 2008-2020, Waruqi All rights reserved.
  11  * //////////////////////////////////////////////////////////////////// */
  12 #ifndef EXTL_TYPE_TRAITS_IS_SCALAR_H
  13 #define EXTL_TYPE_TRAITS_IS_SCALAR_H
  14
  15 #ifndef EXTL_TYPE_TRAITS_IS_SCALAR_SUPPORT
  16 #       error extl::is_scalar is not supported by current compiler.
  17 #endif
  18
  19 /* ///////////////////////////////////////////////////////////////////////
  20  * Includes
  21  */
  22 #include "prefix.h"
  23 #include "is_arithmetic.h"
  24 #include "logical_op.h"
  25
  26 #ifdef EXTL_TYPE_TRAITS_IS_PTR_SUPPORT
  27 #       include "is_ptr.h"
  28 #endif
  29
  30 #ifdef EXTL_TYPE_TRAITS_IS_MEM_PTR_SUPPORT
  31 #       include "is_mem_ptr.h"
  32 #endif
  33
  34 #ifdef EXTL_TYPE_TRAITS_IS_ENUM_SUPPORT
  35 #       include "is_enum.h"
  36 #endif
  37
  38 /* ///////////////////////////////////////////////////////////////////////
  39  * Macros
  40  */
  41 #define EXTL_MUST_BE_SCALAR(type)                       EXTL_MUST_BE_(is_scalar, type)
  42 #define EXTL_MUST_BE_CV_SCALAR(type)            EXTL_MUST_BE_CV_(is_scalar, type)
  43
  44 #define EXTL_MUST_NOT_BE_SCALAR(type)           EXTL_MUST_NOT_BE_(is_scalar, type)
  45 #define EXTL_MUST_NOT_BE_CV_SCALAR(type)        EXTL_MUST_NOT_BE_CV_(is_scalar, type)
  46 /* ///////////////////////////////////////////////////////////////////////
  47  * ::extl namespace
  48  */
  49 EXTL_BEGIN_NAMESPACE
  50
  51 #ifdef EXTL_TYPE_TRAITS_SUPPORT
  52
  53 #ifdef EXTL_TYPE_TRAITS_IS_ENUM_SUPPORT
  54 EXTL_BOOL_TRAIT_DEF_1(is_scalar, (op_or <       (is_arithmetic<T>::value)
  55                                                                                 ,       (is_ptr<T>::value)
  56                                                                                 ,       (is_mem_ptr<T>::value)
  57                                                                                 ,       (is_enum<T>::value)
  58                                                                                 >::value))
  59 #else
  60 EXTL_BOOL_TRAIT_DEF_1(is_scalar, (op_or <       (is_arithmetic<T>::value)
  61                                                                                 ,       (is_ptr<T>::value)
  62                                                                                 ,       (is_mem_ptr<T>::value)
  63                                                                                 >::value))
  64 #endif
  65
  66         EXTL_BOOL_TRAIT_SPEC_1(is_scalar, void, e_false_v)
  67 #       ifdef EXTL_CV_VOID_SPEC_SUPPORT
  68         EXTL_BOOL_TRAIT_SPEC_1(is_scalar, void const, e_false_v)
  69         EXTL_BOOL_TRAIT_SPEC_1(is_scalar, void volatile, e_false_v)
  70         EXTL_BOOL_TRAIT_SPEC_1(is_scalar, void const volatile, e_false_v)
  71 #       endif
  72
  73 /* ///////////////////////////////////////////////////////////////////////
  74  * Unit-testing
  75  */
  76 #       ifdef   EXTL_TYPE_TRAITS_TEST_ENABLE
  77 #               include "unit_test/is_scalar_test.h"
  78 #       endif
  79 #endif /* EXTL_TYPE_TRAITS_SUPPORT */
  80
  81 /* ///////////////////////////////////////////////////////////////////////
  82  * ::extl namespace
  83  */
  84 EXTL_END_NAMESPACE
  85
  86 /* //////////////////////////////////////////////////////////////////// */
  87 #endif  /* EXTL_TYPE_TRAITS_IS_SCALAR_H */
  88 /* //////////////////////////////////////////////////////////////////// */