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export proper syntax for GSL_SUPPRESS for new VS (#1213)

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A new Visual Studio version will soon be available that deprecates the
old syntax for gsl::suppress. Customers will now get a C4875 diagnostic
on suppressions that look like `gsl::suppress(x)` urging them to use
`gsl::suppress("x")` instead.

This change updates the `GSL_SUPPRESS` macro to preprocess
GSL_SUPPRESS(x) to gsl::suppress("x") on clang and new versions of MSVC.
This commit is contained in:
Carson Radtke
2025-10-02 08:47:16 -06:00
committed by GitHub
parent 494e6e988c
commit 543d0dd3fe
3 changed files with 9 additions and 8 deletions
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include/gsl/assert
+6 -5
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@@ -47,13 +47,14 @@
//
#if defined(__clang__)
#define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
#else
#if defined(_MSC_VER) && !defined(__INTEL_COMPILER) && !defined(__NVCC__)
#define GSL_SUPPRESS(x) [[gsl::suppress(x)]]
#elif defined(_MSC_VER) && _MSC_VER >= 1950
// Visual Studio versions after 2022 (_MSC_VER > 1944) support the justification message.
#define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
#elif defined(_MSC_VER) && !defined(__INTEL_COMPILER) && !defined(__NVCC__)
#define GSL_SUPPRESS(x) [[gsl::suppress(#x)]]
#else
#define GSL_SUPPRESS(x)
#endif // _MSC_VER
#endif // __clang__
#endif // defined(__clang__)
#if defined(__clang__) || defined(__GNUC__)
#define GSL_LIKELY(x) __builtin_expect(!!(x), 1)