1 // Copyright 2008, Google Inc. 2 // All rights reserved. 3 // 4 // Redistribution and use in source and binary forms, with or without 5 // modification, are permitted provided that the following conditions are 6 // met: 7 // 8 // * Redistributions of source code must retain the above copyright 9 // notice, this list of conditions and the following disclaimer. 10 // * Redistributions in binary form must reproduce the above 11 // copyright notice, this list of conditions and the following disclaimer 12 // in the documentation and/or other materials provided with the 13 // distribution. 14 // * Neither the name of Google Inc. nor the names of its 15 // contributors may be used to endorse or promote products derived from 16 // this software without specific prior written permission. 17 // 18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 30 // Low-level types and utilities for porting Google Mock to various 31 // platforms. All macros ending with _ and symbols defined in an 32 // internal namespace are subject to change without notice. Code 33 // outside Google Mock MUST NOT USE THEM DIRECTLY. Macros that don't 34 // end with _ are part of Google Mock's public API and can be used by 35 // code outside Google Mock. 36 37 // IWYU pragma: private, include "gmock/gmock.h" 38 // IWYU pragma: friend gmock/.* 39 40 #ifndef GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_ 41 #define GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_ 42 43 #include <assert.h> 44 #include <stdlib.h> 45 #include <cstdint> 46 #include <iostream> 47 48 // Most of the utilities needed for porting Google Mock are also 49 // required for Google Test and are defined in gtest-port.h. 50 // 51 // Note to maintainers: to reduce code duplication, prefer adding 52 // portability utilities to Google Test's gtest-port.h instead of 53 // here, as Google Mock depends on Google Test. Only add a utility 54 // here if it's truly specific to Google Mock. 55 56 #include "gmock/internal/custom/gmock-port.h" 57 #include "gtest/internal/gtest-port.h" 58 59 #ifdef GTEST_HAS_ABSL 60 #include "absl/flags/declare.h" 61 #include "absl/flags/flag.h" 62 #endif 63 64 // For MS Visual C++, check the compiler version. At least VS 2015 is 65 // required to compile Google Mock. 66 #if defined(_MSC_VER) && _MSC_VER < 1900 67 #error "At least Visual C++ 2015 (14.0) is required to compile Google Mock." 68 #endif 69 70 // Macro for referencing flags. This is public as we want the user to 71 // use this syntax to reference Google Mock flags. 72 #define GMOCK_FLAG_NAME_(name) gmock_##name 73 #define GMOCK_FLAG(name) FLAGS_gmock_##name 74 75 // Pick a command line flags implementation. 76 #ifdef GTEST_HAS_ABSL 77 78 // Macros for defining flags. 79 #define GMOCK_DEFINE_bool_(name, default_val, doc) \ 80 ABSL_FLAG(bool, GMOCK_FLAG_NAME_(name), default_val, doc) 81 #define GMOCK_DEFINE_int32_(name, default_val, doc) \ 82 ABSL_FLAG(int32_t, GMOCK_FLAG_NAME_(name), default_val, doc) 83 #define GMOCK_DEFINE_string_(name, default_val, doc) \ 84 ABSL_FLAG(std::string, GMOCK_FLAG_NAME_(name), default_val, doc) 85 86 // Macros for declaring flags. 87 #define GMOCK_DECLARE_bool_(name) \ 88 ABSL_DECLARE_FLAG(bool, GMOCK_FLAG_NAME_(name)) 89 #define GMOCK_DECLARE_int32_(name) \ 90 ABSL_DECLARE_FLAG(int32_t, GMOCK_FLAG_NAME_(name)) 91 #define GMOCK_DECLARE_string_(name) \ 92 ABSL_DECLARE_FLAG(std::string, GMOCK_FLAG_NAME_(name)) 93 94 #define GMOCK_FLAG_GET(name) ::absl::GetFlag(GMOCK_FLAG(name)) 95 #define GMOCK_FLAG_SET(name, value) \ 96 (void)(::absl::SetFlag(&GMOCK_FLAG(name), value)) 97 98 #else // GTEST_HAS_ABSL 99 100 // Macros for defining flags. 101 #define GMOCK_DEFINE_bool_(name, default_val, doc) \ 102 namespace testing { \ 103 GTEST_API_ bool GMOCK_FLAG(name) = (default_val); \ 104 } \ 105 static_assert(true, "no-op to require trailing semicolon") 106 #define GMOCK_DEFINE_int32_(name, default_val, doc) \ 107 namespace testing { \ 108 GTEST_API_ int32_t GMOCK_FLAG(name) = (default_val); \ 109 } \ 110 static_assert(true, "no-op to require trailing semicolon") 111 #define GMOCK_DEFINE_string_(name, default_val, doc) \ 112 namespace testing { \ 113 GTEST_API_ ::std::string GMOCK_FLAG(name) = (default_val); \ 114 } \ 115 static_assert(true, "no-op to require trailing semicolon") 116 117 // Macros for declaring flags. 118 #define GMOCK_DECLARE_bool_(name) \ 119 namespace testing { \ 120 GTEST_API_ extern bool GMOCK_FLAG(name); \ 121 } \ 122 static_assert(true, "no-op to require trailing semicolon") 123 #define GMOCK_DECLARE_int32_(name) \ 124 namespace testing { \ 125 GTEST_API_ extern int32_t GMOCK_FLAG(name); \ 126 } \ 127 static_assert(true, "no-op to require trailing semicolon") 128 #define GMOCK_DECLARE_string_(name) \ 129 namespace testing { \ 130 GTEST_API_ extern ::std::string GMOCK_FLAG(name); \ 131 } \ 132 static_assert(true, "no-op to require trailing semicolon") 133 134 #define GMOCK_FLAG_GET(name) ::testing::GMOCK_FLAG(name) 135 #define GMOCK_FLAG_SET(name, value) (void)(::testing::GMOCK_FLAG(name) = value) 136 137 #endif // GTEST_HAS_ABSL 138 139 #endif // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_ 140