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.
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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
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22// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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24// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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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
46#include <cstdint>
47#include <iostream>
48
49// Most of the utilities needed for porting Google Mock are also
50// required for Google Test and are defined in gtest-port.h.
51//
52// Note to maintainers: to reduce code duplication, prefer adding
53// portability utilities to Google Test's gtest-port.h instead of
54// here, as Google Mock depends on Google Test. Only add a utility
55// here if it's truly specific to Google Mock.
56
57#include "gmock/internal/custom/gmock-port.h"
58#include "gtest/internal/gtest-port.h"
59
60#if defined(GTEST_HAS_ABSL) && !defined(GTEST_NO_ABSL_FLAGS)
61#include "absl/flags/declare.h"
62#include "absl/flags/flag.h"
63#endif
64
65// For MS Visual C++, check the compiler version. At least VS 2015 is
66// required to compile Google Mock.
67#if defined(_MSC_VER) && _MSC_VER < 1900
68#error "At least Visual C++ 2015 (14.0) is required to compile Google Mock."
69#endif
70
71// Macro for referencing flags. This is public as we want the user to
72// use this syntax to reference Google Mock flags.
73#define GMOCK_FLAG_NAME_(name) gmock_##name
74#define GMOCK_FLAG(name) FLAGS_gmock_##name
75
76// Pick a command line flags implementation.
77#if defined(GTEST_HAS_ABSL) && !defined(GTEST_NO_ABSL_FLAGS)
78
79// Macros for defining flags.
80#define GMOCK_DEFINE_bool_(name, default_val, doc) \
81 ABSL_FLAG(bool, GMOCK_FLAG_NAME_(name), default_val, doc)
82#define GMOCK_DEFINE_int32_(name, default_val, doc) \
83 ABSL_FLAG(int32_t, GMOCK_FLAG_NAME_(name), default_val, doc)
84#define GMOCK_DEFINE_string_(name, default_val, doc) \
85 ABSL_FLAG(std::string, GMOCK_FLAG_NAME_(name), default_val, doc)
86
87// Macros for declaring flags.
88#define GMOCK_DECLARE_bool_(name) \
89 ABSL_DECLARE_FLAG(bool, GMOCK_FLAG_NAME_(name))
90#define GMOCK_DECLARE_int32_(name) \
91 ABSL_DECLARE_FLAG(int32_t, GMOCK_FLAG_NAME_(name))
92#define GMOCK_DECLARE_string_(name) \
93 ABSL_DECLARE_FLAG(std::string, GMOCK_FLAG_NAME_(name))
94
95#define GMOCK_FLAG_GET(name) ::absl::GetFlag(GMOCK_FLAG(name))
96#define GMOCK_FLAG_SET(name, value) \
97 (void)(::absl::SetFlag(&GMOCK_FLAG(name), value))
98
99#else // defined(GTEST_HAS_ABSL) && !defined(GTEST_NO_ABSL_FLAGS)
100
101// Macros for defining flags.
102#define GMOCK_DEFINE_bool_(name, default_val, doc) \
103 namespace testing { \
104 GTEST_API_ bool GMOCK_FLAG(name) = (default_val); \
105 } \
106 static_assert(true, "no-op to require trailing semicolon")
107#define GMOCK_DEFINE_int32_(name, default_val, doc) \
108 namespace testing { \
109 GTEST_API_ int32_t GMOCK_FLAG(name) = (default_val); \
110 } \
111 static_assert(true, "no-op to require trailing semicolon")
112#define GMOCK_DEFINE_string_(name, default_val, doc) \
113 namespace testing { \
114 GTEST_API_ ::std::string GMOCK_FLAG(name) = (default_val); \
115 } \
116 static_assert(true, "no-op to require trailing semicolon")
117
118// Macros for declaring flags.
119#define GMOCK_DECLARE_bool_(name) \
120 namespace testing { \
121 GTEST_API_ extern bool GMOCK_FLAG(name); \
122 } \
123 static_assert(true, "no-op to require trailing semicolon")
124#define GMOCK_DECLARE_int32_(name) \
125 namespace testing { \
126 GTEST_API_ extern int32_t GMOCK_FLAG(name); \
127 } \
128 static_assert(true, "no-op to require trailing semicolon")
129#define GMOCK_DECLARE_string_(name) \
130 namespace testing { \
131 GTEST_API_ extern ::std::string GMOCK_FLAG(name); \
132 } \
133 static_assert(true, "no-op to require trailing semicolon")
134
135#define GMOCK_FLAG_GET(name) ::testing::GMOCK_FLAG(name)
136#define GMOCK_FLAG_SET(name, value) (void)(::testing::GMOCK_FLAG(name) = value)
137
138#endif // defined(GTEST_HAS_ABSL) && !defined(GTEST_NO_ABSL_FLAGS)
139
140#endif // GOOGLEMOCK_INCLUDE_GMOCK_INTERNAL_GMOCK_PORT_H_
141