iOS/Pods/Realm/include/core/realm/util/assert.hpp

   1 /*************************************************************************
   2  *
   3  * Copyright 2016 Realm Inc.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the "License");
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  * http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  *
  17  **************************************************************************/
  18
  19 #ifndef REALM_UTIL_ASSERT_HPP
  20 #define REALM_UTIL_ASSERT_HPP
  21
  22 #include <realm/util/features.h>
  23 #include <realm/util/terminate.hpp>
  24
  25 #if REALM_ENABLE_ASSERTIONS || defined(REALM_DEBUG)
  26 #define REALM_ASSERTIONS_ENABLED 1
  27 #else
  28 #define REALM_ASSERTIONS_ENABLED 0
  29 #endif
  30
  31 #define REALM_ASSERT_RELEASE(condition)                                                                              \
  32     (REALM_LIKELY(condition) ? static_cast<void>(0)                                                                  \
  33                              : realm::util::terminate("Assertion failed: " #condition, __FILE__, __LINE__))
  34
  35 #if REALM_ASSERTIONS_ENABLED
  36 #define REALM_ASSERT(condition) REALM_ASSERT_RELEASE(condition)
  37 #else
  38 #define REALM_ASSERT(condition) static_cast<void>(sizeof bool(condition))
  39 #endif
  40
  41 #ifdef REALM_DEBUG
  42 #define REALM_ASSERT_DEBUG(condition) REALM_ASSERT_RELEASE(condition)
  43 #else
  44 #define REALM_ASSERT_DEBUG(condition) static_cast<void>(sizeof bool(condition))
  45 #endif
  46
  47 #define REALM_STRINGIFY(X) #X
  48
  49 #define REALM_ASSERT_RELEASE_EX(condition, ...)                                                                      \
  50     (REALM_LIKELY(condition) ? static_cast<void>(0)                                                                  \
  51                              : realm::util::terminate_with_info("Assertion failed: " #condition, __LINE__, __FILE__, \
  52                                                                 REALM_STRINGIFY((__VA_ARGS__)), __VA_ARGS__))
  53
  54 #ifdef REALM_DEBUG
  55 #define REALM_ASSERT_DEBUG_EX REALM_ASSERT_RELEASE_EX
  56 #else
  57 #define REALM_ASSERT_DEBUG_EX(condition, ...) static_cast<void>(sizeof bool(condition))
  58 #endif
  59
  60 // Becase the assert is used in noexcept methods, it's a bad idea to allocate
  61 // buffer space for the message so therefore we must pass it to terminate which
  62 // will 'cerr' it for us without needing any buffer
  63 #if REALM_ENABLE_ASSERTIONS || defined(REALM_DEBUG)
  64
  65 #define REALM_ASSERT_EX REALM_ASSERT_RELEASE_EX
  66
  67 #define REALM_ASSERT_3(left, cmp, right)                                                                             \
  68     (REALM_LIKELY((left)cmp(right)) ? static_cast<void>(0)                                                           \
  69                                     : realm::util::terminate("Assertion failed: "                                    \
  70                                                              "" #left " " #cmp " " #right,                           \
  71                                                              __FILE__, __LINE__, left, right))
  72
  73 #define REALM_ASSERT_7(left1, cmp1, right1, logical, left2, cmp2, right2)                                            \
  74     (REALM_LIKELY(((left1)cmp1(right1))logical((left2)cmp2(right2)))                                                 \
  75          ? static_cast<void>(0)                                                                                      \
  76          : realm::util::terminate("Assertion failed: "                                                               \
  77                                   "" #left1 " " #cmp1 " " #right1 " " #logical " "                                   \
  78                                   "" #left2 " " #cmp2 " " #right2,                                                   \
  79                                   __FILE__, __LINE__, left1, right1, left2, right2))
  80
  81 #define REALM_ASSERT_11(left1, cmp1, right1, logical1, left2, cmp2, right2, logical2, left3, cmp3, right3)           \
  82     (REALM_LIKELY(((left1)cmp1(right1))logical1((left2)cmp2(right2)) logical2((left3)cmp3(right3)))                  \
  83          ? static_cast<void>(0)                                                                                      \
  84          : realm::util::terminate("Assertion failed: "                                                               \
  85                                   "" #left1 " " #cmp1 " " #right1 " " #logical1 " "                                  \
  86                                   "" #left2 " " #cmp2 " " #right2 " " #logical2 " "                                  \
  87                                   "" #left3 " " #cmp3 " " #right3,                                                   \
  88                                   __FILE__, __LINE__, left1, right1, left2, right2, left3, right3))
  89 #else
  90 #define REALM_ASSERT_EX(condition, ...) static_cast<void>(sizeof bool(condition))
  91 #define REALM_ASSERT_3(left, cmp, right) static_cast<void>(sizeof bool((left)cmp(right)))
  92 #define REALM_ASSERT_7(left1, cmp1, right1, logical, left2, cmp2, right2)                                            \
  93     static_cast<void>(sizeof bool(((left1)cmp1(right1))logical((left2)cmp2(right2))))
  94 #define REALM_ASSERT_11(left1, cmp1, right1, logical1, left2, cmp2, right2, logical2, left3, cmp3, right3)           \
  95     static_cast<void>(sizeof bool(((left1)cmp1(right1))logical1((left2)cmp2(right2)) logical2((left3)cmp3(right3))))
  96 #endif
  97
  98 #define REALM_UNREACHABLE() realm::util::terminate("Unreachable code", __FILE__, __LINE__)
  99 #ifdef REALM_COVER
 100 #define REALM_COVER_NEVER(x) false
 101 #define REALM_COVER_ALWAYS(x) true
 102 #else
 103 #define REALM_COVER_NEVER(x) (x)
 104 #define REALM_COVER_ALWAYS(x) (x)
 105 #endif
 106
 107 #endif // REALM_UTIL_ASSERT_HPP