/
catch_compiler_capabilities.hpp
374 lines (298 loc) · 15 KB
/
catch_compiler_capabilities.hpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
// Copyright Catch2 Authors
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// https://www.boost.org/LICENSE_1_0.txt)
// SPDX-License-Identifier: BSL-1.0
#ifndef CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED
#define CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED
// Detect a number of compiler features - by compiler
// The following features are defined:
//
// CATCH_CONFIG_WINDOWS_SEH : is Windows SEH supported?
// CATCH_CONFIG_POSIX_SIGNALS : are POSIX signals supported?
// CATCH_CONFIG_DISABLE_EXCEPTIONS : Are exceptions enabled?
// ****************
// Note to maintainers: if new toggles are added please document them
// in configuration.md, too
// ****************
// In general each macro has a _NO_<feature name> form
// (e.g. CATCH_CONFIG_NO_POSIX_SIGNALS) which disables the feature.
// Many features, at point of detection, define an _INTERNAL_ macro, so they
// can be combined, en-mass, with the _NO_ forms later.
#include <catch2/internal/catch_platform.hpp>
#include <catch2/catch_user_config.hpp>
#ifdef __cplusplus
# if (__cplusplus >= 201402L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201402L)
# define CATCH_CPP14_OR_GREATER
# endif
# if (__cplusplus >= 201703L) || (defined(_MSVC_LANG) && _MSVC_LANG >= 201703L)
# define CATCH_CPP17_OR_GREATER
# endif
#endif
// Only GCC compiler should be used in this block, so other compilers trying to
// mask themselves as GCC should be ignored.
#if defined(__GNUC__) && !defined(__clang__) && !defined(__ICC) && !defined(__CUDACC__) && !defined(__LCC__)
# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic push" )
# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma( "GCC diagnostic pop" )
// This only works on GCC 9+. so we have to also add a global suppression of Wparentheses
// for older versions of GCC.
# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
_Pragma( "GCC diagnostic ignored \"-Wparentheses\"" )
# define CATCH_INTERNAL_SUPPRESS_UNUSED_VARIABLE_WARNINGS \
_Pragma( "GCC diagnostic ignored \"-Wunused-variable\"" )
# define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__)
#endif
#if defined(__CUDACC__) && !defined(__clang__)
# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "nv_diagnostic push" )
# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma( "nv_diagnostic pop" )
# define CATCH_INTERNAL_SUPPRESS_UNUSED_VARIABLE_WARNINGS _Pragma( "nv_diag_suppress 177" )
#endif
#if defined(__clang__) && !defined(_MSC_VER)
# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic push" )
# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION _Pragma( "clang diagnostic pop" )
// As of this writing, IBM XL's implementation of __builtin_constant_p has a bug
// which results in calls to destructors being emitted for each temporary,
// without a matching initialization. In practice, this can result in something
// like `std::string::~string` being called on an uninitialized value.
//
// For example, this code will likely segfault under IBM XL:
// ```
// REQUIRE(std::string("12") + "34" == "1234")
// ```
//
// Similarly, NVHPC's implementation of `__builtin_constant_p` has a bug which
// results in calls to the immediately evaluated lambda expressions to be
// reported as unevaluated lambdas.
// https://developer.nvidia.com/nvidia_bug/3321845.
//
// Therefore, `CATCH_INTERNAL_IGNORE_BUT_WARN` is not implemented.
# if !defined(__ibmxl__) && !defined(__CUDACC__) && !defined( __NVCOMPILER )
# define CATCH_INTERNAL_IGNORE_BUT_WARN(...) (void)__builtin_constant_p(__VA_ARGS__) /* NOLINT(cppcoreguidelines-pro-type-vararg, hicpp-vararg) */
# endif
# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
_Pragma( "clang diagnostic ignored \"-Wexit-time-destructors\"" ) \
_Pragma( "clang diagnostic ignored \"-Wglobal-constructors\"")
# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS \
_Pragma( "clang diagnostic ignored \"-Wparentheses\"" )
# define CATCH_INTERNAL_SUPPRESS_UNUSED_VARIABLE_WARNINGS \
_Pragma( "clang diagnostic ignored \"-Wunused-variable\"" )
# define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
_Pragma( "clang diagnostic ignored \"-Wgnu-zero-variadic-macro-arguments\"" )
# define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
_Pragma( "clang diagnostic ignored \"-Wunused-template\"" )
#endif // __clang__
////////////////////////////////////////////////////////////////////////////////
// Assume that non-Windows platforms support posix signals by default
#if !defined(CATCH_PLATFORM_WINDOWS)
#define CATCH_INTERNAL_CONFIG_POSIX_SIGNALS
#endif
////////////////////////////////////////////////////////////////////////////////
// We know some environments not to support full POSIX signals
#if defined(__CYGWIN__) || defined(__QNX__) || defined(__EMSCRIPTEN__) || defined(__DJGPP__)
#define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#endif
#ifdef __OS400__
# define CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS
#endif
////////////////////////////////////////////////////////////////////////////////
// Android somehow still does not support std::to_string
#if defined(__ANDROID__)
# define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
#endif
////////////////////////////////////////////////////////////////////////////////
// Not all Windows environments support SEH properly
#if defined(__MINGW32__)
# define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
#endif
////////////////////////////////////////////////////////////////////////////////
// PS4
#if defined(__ORBIS__)
# define CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE
#endif
////////////////////////////////////////////////////////////////////////////////
// Cygwin
#ifdef __CYGWIN__
// Required for some versions of Cygwin to declare gettimeofday
// see: http://stackoverflow.com/questions/36901803/gettimeofday-not-declared-in-this-scope-cygwin
# define _BSD_SOURCE
// some versions of cygwin (most) do not support std::to_string. Use the libstd check.
// https://gcc.gnu.org/onlinedocs/gcc-4.8.2/libstdc++/api/a01053_source.html line 2812-2813
# if !((__cplusplus >= 201103L) && defined(_GLIBCXX_USE_C99) \
&& !defined(_GLIBCXX_HAVE_BROKEN_VSWPRINTF))
# define CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING
# endif
#endif // __CYGWIN__
////////////////////////////////////////////////////////////////////////////////
// Visual C++
#if defined(_MSC_VER)
# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION __pragma( warning(push) )
# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION __pragma( warning(pop) )
// Universal Windows platform does not support SEH
// Or console colours (or console at all...)
# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_APP)
# define CATCH_INTERNAL_CONFIG_NO_COLOUR_WIN32
# else
# define CATCH_INTERNAL_CONFIG_WINDOWS_SEH
# endif
// MSVC traditional preprocessor needs some workaround for __VA_ARGS__
// _MSVC_TRADITIONAL == 0 means new conformant preprocessor
// _MSVC_TRADITIONAL == 1 means old traditional non-conformant preprocessor
# if !defined(__clang__) // Handle Clang masquerading for msvc
# if !defined(_MSVC_TRADITIONAL) || (defined(_MSVC_TRADITIONAL) && _MSVC_TRADITIONAL)
# define CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
# endif // MSVC_TRADITIONAL
# endif // __clang__
#endif // _MSC_VER
#if defined(_REENTRANT) || defined(_MSC_VER)
// Enable async processing, as -pthread is specified or no additional linking is required
# define CATCH_INTERNAL_CONFIG_USE_ASYNC
#endif // _MSC_VER
////////////////////////////////////////////////////////////////////////////////
// Check if we are compiled with -fno-exceptions or equivalent
#if defined(__EXCEPTIONS) || defined(__cpp_exceptions) || defined(_CPPUNWIND)
# define CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED
#endif
////////////////////////////////////////////////////////////////////////////////
// Embarcadero C++Build
#if defined(__BORLANDC__)
#define CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN
#endif
////////////////////////////////////////////////////////////////////////////////
// RTX is a special version of Windows that is real time.
// This means that it is detected as Windows, but does not provide
// the same set of capabilities as real Windows does.
#if defined(UNDER_RTSS) || defined(RTX64_BUILD)
#define CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH
#define CATCH_INTERNAL_CONFIG_NO_ASYNC
#define CATCH_INTERNAL_CONFIG_NO_COLOUR_WIN32
#endif
#if !defined(_GLIBCXX_USE_C99_MATH_TR1)
#define CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER
#endif
// Various stdlib support checks that require __has_include
#if defined(__has_include)
// Check if string_view is available and usable
#if __has_include(<string_view>) && defined(CATCH_CPP17_OR_GREATER)
# define CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW
#endif
// Check if optional is available and usable
# if __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
# define CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL
# endif // __has_include(<optional>) && defined(CATCH_CPP17_OR_GREATER)
// Check if byte is available and usable
# if __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
# include <cstddef>
# if defined(__cpp_lib_byte) && (__cpp_lib_byte > 0)
# define CATCH_INTERNAL_CONFIG_CPP17_BYTE
# endif
# endif // __has_include(<cstddef>) && defined(CATCH_CPP17_OR_GREATER)
// Check if variant is available and usable
# if __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
# if defined(__clang__) && (__clang_major__ < 8)
// work around clang bug with libstdc++ https://bugs.llvm.org/show_bug.cgi?id=31852
// fix should be in clang 8, workaround in libstdc++ 8.2
# include <ciso646>
# if defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
# define CATCH_CONFIG_NO_CPP17_VARIANT
# else
# define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
# endif // defined(__GLIBCXX__) && defined(_GLIBCXX_RELEASE) && (_GLIBCXX_RELEASE < 9)
# else
# define CATCH_INTERNAL_CONFIG_CPP17_VARIANT
# endif // defined(__clang__) && (__clang_major__ < 8)
# endif // __has_include(<variant>) && defined(CATCH_CPP17_OR_GREATER)
#endif // defined(__has_include)
#if defined(CATCH_INTERNAL_CONFIG_WINDOWS_SEH) && !defined(CATCH_CONFIG_NO_WINDOWS_SEH) && !defined(CATCH_CONFIG_WINDOWS_SEH) && !defined(CATCH_INTERNAL_CONFIG_NO_WINDOWS_SEH)
# define CATCH_CONFIG_WINDOWS_SEH
#endif
// This is set by default, because we assume that unix compilers are posix-signal-compatible by default.
#if defined(CATCH_INTERNAL_CONFIG_POSIX_SIGNALS) && !defined(CATCH_INTERNAL_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_NO_POSIX_SIGNALS) && !defined(CATCH_CONFIG_POSIX_SIGNALS)
# define CATCH_CONFIG_POSIX_SIGNALS
#endif
#if !defined(CATCH_INTERNAL_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_NO_CPP11_TO_STRING) && !defined(CATCH_CONFIG_CPP11_TO_STRING)
# define CATCH_CONFIG_CPP11_TO_STRING
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_NO_CPP17_OPTIONAL) && !defined(CATCH_CONFIG_CPP17_OPTIONAL)
# define CATCH_CONFIG_CPP17_OPTIONAL
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_NO_CPP17_STRING_VIEW) && !defined(CATCH_CONFIG_CPP17_STRING_VIEW)
# define CATCH_CONFIG_CPP17_STRING_VIEW
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP17_VARIANT) && !defined(CATCH_CONFIG_NO_CPP17_VARIANT) && !defined(CATCH_CONFIG_CPP17_VARIANT)
# define CATCH_CONFIG_CPP17_VARIANT
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP17_BYTE) && !defined(CATCH_CONFIG_NO_CPP17_BYTE) && !defined(CATCH_CONFIG_CPP17_BYTE)
# define CATCH_CONFIG_CPP17_BYTE
#endif
#if defined(CATCH_CONFIG_EXPERIMENTAL_REDIRECT)
# define CATCH_INTERNAL_CONFIG_NEW_CAPTURE
#endif
#if defined(CATCH_INTERNAL_CONFIG_NEW_CAPTURE) && !defined(CATCH_INTERNAL_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NO_NEW_CAPTURE) && !defined(CATCH_CONFIG_NEW_CAPTURE)
# define CATCH_CONFIG_NEW_CAPTURE
#endif
#if !defined( CATCH_INTERNAL_CONFIG_EXCEPTIONS_ENABLED ) && \
!defined( CATCH_CONFIG_DISABLE_EXCEPTIONS ) && \
!defined( CATCH_CONFIG_NO_DISABLE_EXCEPTIONS )
# define CATCH_CONFIG_DISABLE_EXCEPTIONS
#endif
#if defined(CATCH_INTERNAL_CONFIG_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_NO_POLYFILL_ISNAN) && !defined(CATCH_CONFIG_POLYFILL_ISNAN)
# define CATCH_CONFIG_POLYFILL_ISNAN
#endif
#if defined(CATCH_INTERNAL_CONFIG_USE_ASYNC) && !defined(CATCH_INTERNAL_CONFIG_NO_ASYNC) && !defined(CATCH_CONFIG_NO_USE_ASYNC) && !defined(CATCH_CONFIG_USE_ASYNC)
# define CATCH_CONFIG_USE_ASYNC
#endif
#if defined(CATCH_INTERNAL_CONFIG_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_NO_GLOBAL_NEXTAFTER) && !defined(CATCH_CONFIG_GLOBAL_NEXTAFTER)
# define CATCH_CONFIG_GLOBAL_NEXTAFTER
#endif
// Even if we do not think the compiler has that warning, we still have
// to provide a macro that can be used by the code.
#if !defined(CATCH_INTERNAL_START_WARNINGS_SUPPRESSION)
# define CATCH_INTERNAL_START_WARNINGS_SUPPRESSION
#endif
#if !defined(CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION)
# define CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_PARENTHESES_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_VARIABLE_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_UNUSED_VARIABLE_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS
#endif
// The goal of this macro is to avoid evaluation of the arguments, but
// still have the compiler warn on problems inside...
#if !defined(CATCH_INTERNAL_IGNORE_BUT_WARN)
# define CATCH_INTERNAL_IGNORE_BUT_WARN(...)
#endif
#if defined(__APPLE__) && defined(__apple_build_version__) && (__clang_major__ < 10)
# undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#elif defined(__clang__) && (__clang_major__ < 5)
# undef CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#endif
#if !defined(CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS)
# define CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS
#endif
#if defined(CATCH_CONFIG_DISABLE_EXCEPTIONS)
#define CATCH_TRY if ((true))
#define CATCH_CATCH_ALL if ((false))
#define CATCH_CATCH_ANON(type) if ((false))
#else
#define CATCH_TRY try
#define CATCH_CATCH_ALL catch (...)
#define CATCH_CATCH_ANON(type) catch (type)
#endif
#if defined(CATCH_INTERNAL_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_NO_TRADITIONAL_MSVC_PREPROCESSOR) && !defined(CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR)
#define CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#endif
#if defined( CATCH_PLATFORM_WINDOWS ) && \
!defined( CATCH_CONFIG_COLOUR_WIN32 ) && \
!defined( CATCH_CONFIG_NO_COLOUR_WIN32 ) && \
!defined( CATCH_INTERNAL_CONFIG_NO_COLOUR_WIN32 )
# define CATCH_CONFIG_COLOUR_WIN32
#endif
#endif // CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED