COMMS
Template library intended to help with implementation of communication protocols.
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CompileControl.h
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1//
2// Copyright 2015 - 2025 (C). Alex Robenko. All rights reserved.
3//
4// This Source Code Form is subject to the terms of the Mozilla Public
5// License, v. 2.0. If a copy of the MPL was not distributed with this
6// file, You can obtain one at http://mozilla.org/MPL/2.0/.
7
10
11#pragma once
12
13#ifdef __GNUC__
14
15#define GCC_DIAG_STR(s) #s
16#define GCC_DIAG_JOINSTR(x,y) GCC_DIAG_STR(x ## y)
17#define GCC_DIAG_DO_PRAGMA(x) _Pragma (#x)
18#define GCC_DIAG_PRAGMA(x) GCC_DIAG_DO_PRAGMA(GCC diagnostic x)
19#define CC_DISABLE_WARNINGS() \
20 GCC_DIAG_PRAGMA(push) \
21 GCC_DIAG_PRAGMA(ignored "-Wpedantic") \
22 GCC_DIAG_PRAGMA(ignored "-Wctor-dtor-privacy")\
23 GCC_DIAG_PRAGMA(ignored "-Wold-style-cast") \
24 GCC_DIAG_PRAGMA(ignored "-Wconversion")
25
26#define CC_ENABLE_WARNINGS() GCC_DIAG_PRAGMA(pop)
27
28#define COMMS_GNU_WARNING_PUSH GCC_DIAG_PRAGMA(push)
29#define COMMS_GNU_WARNING_DISABLE(x_) GCC_DIAG_PRAGMA(ignored x_)
30#define COMMS_GNU_WARNING_POP GCC_DIAG_PRAGMA(pop)
31
32#else
33
34#define CC_DISABLE_WARNINGS()
35#define CC_ENABLE_WARNINGS()
36#define COMMS_GNU_WARNING_PUSH
37#define COMMS_GNU_WARNING_DISABLE(x_)
38#define COMMS_GNU_WARNING_POP
39
40#endif
41
42
43#define COMMS_IS_MSVC false
44#define COMMS_IS_GCC false
45#define COMMS_IS_CLANG false
46#define COMMS_IS_USING_GNUC false
47
48#if defined(__GNUC__)
49#undef COMMS_IS_USING_GNUC
50#define COMMS_IS_USING_GNUC true
51#endif // #if defined(__GNUC__) && !defined(__clang__)
52
53#if defined(_MSC_VER) && !defined(__clang__)
54#undef COMMS_IS_MSVC
55#define COMMS_IS_MSVC true
56#endif // #if defined(_MSC_VER) && !defined(__clang__)
57
58#if defined(__GNUC__) && !defined(__clang__)
59#undef COMMS_IS_GCC
60#define COMMS_IS_GCC true
61#endif // #if defined(__GNUC__) && !defined(__clang__)
62
63#if defined(__clang__)
64
65#undef COMMS_IS_CLANG
66#define COMMS_IS_CLANG true
67#endif // #if defined(__clang__)
68
69#define COMMS_IS_GCC_47_OR_BELOW (COMMS_IS_GCC && (__GNUC__ == 4) && (__GNUC_MINOR__ < 8))
70#define COMMS_IS_GCC_9 (COMMS_IS_GCC && (__GNUC__ == 9))
71#define COMMS_IS_GCC_9_OR_BELOW (COMMS_IS_GCC_9 && (__GNUC__ <= 9))
72#define COMMS_IS_GCC_9_OR_ABOVE (COMMS_IS_GCC_9 && (__GNUC__ >= 9))
73#define COMMS_IS_GCC_10 (COMMS_IS_GCC && (__GNUC__ == 10))
74#define COMMS_IS_GCC_10_OR_ABOVE (COMMS_IS_GCC && (__GNUC__ >= 10))
75#define COMMS_IS_GCC_10_OR_BELOW (COMMS_IS_GCC && (__GNUC__ <= 10))
76#define COMMS_IS_GCC_11 (COMMS_IS_GCC && (__GNUC__ == 11))
77#define COMMS_IS_GCC_11_OR_ABOVE (COMMS_IS_GCC && (__GNUC__ >= 11))
78#define COMMS_IS_GCC_12 (COMMS_IS_GCC && (__GNUC__ == 12))
79#define COMMS_IS_GCC_12_OR_ABOVE (COMMS_IS_GCC && (__GNUC__ >= 12))
80#define COMMS_IS_GCC_13 (COMMS_IS_GCC && (__GNUC__ == 13))
81#define COMMS_IS_GCC_14 (COMMS_IS_GCC && (__GNUC__ == 14))
82#define COMMS_IS_GCC_14_OR_BELOW (COMMS_IS_GCC && (__GNUC__ <= 14))
83#define COMMS_IS_CLANG_7_OR_ABOVE (COMMS_IS_CLANG && (__clang_major__ >= 7))
84#define COMMS_IS_CLANG_8 (COMMS_IS_CLANG && (__clang_major__ == 8))
85#define COMMS_IS_CLANG_8_OR_BELOW (COMMS_IS_CLANG && (__clang_major__ <= 8))
86#define COMMS_IS_CLANG_9_OR_BELOW (COMMS_IS_CLANG && (__clang_major__ <= 9))
87#define COMMS_IS_CLANG_9_OR_ABOVE (COMMS_IS_CLANG && (__clang_major__ >= 9))
88#define COMMS_IS_CLANG_16_OR_ABOVE (COMMS_IS_CLANG && (__clang_major__ >= 16))
89#define COMMS_IS_CLANG_18_OR_BELOW (COMMS_IS_CLANG && (__clang_major__ <= 18))
90#define COMMS_IS_CLANG_19_OR_BELOW (COMMS_IS_CLANG && (__clang_major__ <= 19))
91#define COMMS_IS_MSVC_2019 (COMMS_IS_MSVC && (_MSC_VER >= 1920) && (_MSC_VER < 1930))
92#define COMMS_IS_MSVC_2019_OR_BELOW (COMMS_IS_MSVC && (_MSC_VER < 1930))
93#define COMMS_IS_MSVC_2017_OR_BELOW (COMMS_IS_MSVC && (_MSC_VER < 1920))
94#define COMMS_IS_MSVC_2015_OR_BELOW (COMMS_IS_MSVC && (_MSC_VER < 1910))
95
96#if !defined(COMMS_COMPILER_GCC47) && COMMS_IS_GCC_47_OR_BELOW
97#define COMMS_COMPILER_GCC47
98#endif
99
100#define COMMS_IS_CPP14 (__cplusplus >= 201402L)
101#define COMMS_IS_CPP17 (__cplusplus >= 201703L)
102#define COMMS_IS_CPP20 (__cplusplus >= 202002L)
103#define COMMS_IS_CPP23 (__cplusplus >= 202302L)
104
105#if COMMS_IS_MSVC_2019_OR_BELOW // Visual Studio 2019
106#undef COMMS_IS_CPP20
107#define COMMS_IS_CPP20 (__cplusplus >= 201704L)
108#endif
109
110#if COMMS_IS_GCC_10_OR_BELOW
111#undef COMMS_IS_CPP20
112#define COMMS_IS_CPP20 (__cplusplus >= 201709L)
113#endif
114
115#if COMMS_IS_CLANG_9_OR_BELOW
116#undef COMMS_IS_CPP20
117#define COMMS_IS_CPP20 (__cplusplus >= 201709L)
118#endif
119
120#if COMMS_IS_CLANG_8_OR_BELOW
121#undef COMMS_IS_CPP20
122#define COMMS_IS_CPP20 (__cplusplus >= 201707L)
123#endif
124
125#define COMMS_CLANG_HAS_STRING_VIEW false
126#define COMMS_CLANG_HAS_VERSION_HEADER false
127
128#if COMMS_IS_CLANG
129
130// The defines below are seperate because VS2015 doesn't
131// behave well with angle brackets inside macro arguments.
132
133#undef COMMS_CLANG_HAS_STRING_VIEW
134#define COMMS_CLANG_HAS_STRING_VIEW (__has_include(<string_view>))
135
136#undef COMMS_CLANG_HAS_VERSION_HEADER
137#define COMMS_CLANG_HAS_VERSION_HEADER (__has_include(<version>))
138
139#endif // #if COMMS_IS_CLANG
140
141
142#define COMMS_HAS_CPP20_VERSION_HEADER \
143 COMMS_IS_CPP20 && \
144 (\
145 (COMMS_IS_USING_GNUC && (__GNUC__ >= 9)) || \
146 (COMMS_IS_CLANG && COMMS_CLANG_HAS_VERSION_HEADER) || \
147 (COMMS_IS_MSVC && (_MSC_VER >= 1922)) \
148 )
149
150#if COMMS_HAS_CPP20_VERSION_HEADER
151#include <version>
152#endif
153
154#define COMMS_HAS_CPP17_STRING_VIEW false
155
156#ifndef COMMS_NO_CPP17_STRING_VIEW
157#undef COMMS_HAS_CPP17_STRING_VIEW
158#define COMMS_HAS_CPP17_STRING_VIEW \
159 COMMS_IS_CPP17 && \
160 (\
161 (COMMS_IS_USING_GNUC && (__GNUC__ >= 7)) || \
162 (COMMS_IS_CLANG && COMMS_CLANG_HAS_STRING_VIEW) || \
163 (COMMS_IS_MSVC && (_MSC_VER >= 1910)) \
164 )
165
166#endif // #ifndef COMMS_NO_CPP17_STRING_VIEW
167
168#define COMMS_HAS_CPP20_SPAN false
169#if !defined(COMMS_NO_CPP20_SPAN) && COMMS_IS_CPP20 && defined(__cpp_lib_span)
170#undef COMMS_HAS_CPP20_SPAN
171#define COMMS_HAS_CPP20_SPAN true
172#endif // #if COMMS_IS_CPP20 && defined(__cpp_lib_span)
173
174#if COMMS_IS_MSVC
175
176#define COMMS_MSVC_WARNING_PRAGMA(s_) __pragma(s_)
177#define COMMS_MSVC_WARNING_PUSH __pragma(warning(push))
178#define COMMS_MSVC_WARNING_POP __pragma(warning(pop))
179#define COMMS_MSVC_WARNING_DISABLE(w_) __pragma(warning(disable:w_))
180#define COMMS_MSVC_WARNING_SUPPRESS(w_) __pragma(warning(suppress:w_))
181
182#else // #if COMMS_IS_MSVC
183
184#define COMMS_MSVC_WARNING_PRAGMA(s_)
185#define COMMS_MSVC_WARNING_PUSH
186#define COMMS_MSVC_WARNING_POP
187#define COMMS_MSVC_WARNING_DISABLE(w_)
188#define COMMS_MSVC_WARNING_SUPPRESS(w_)
189
190#endif // #if COMMS_IS_MSVC
191
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