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Reinstance the GSL_*_ON_CONTRACT_VIOLATION macros

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At least the nonthrowing ones
This commit is contained in:
Herb Sutter 2020-12-18 12:45:05 -08:00
parent e02baff283
commit 25c0dee6e3
1 changed files with 9 additions and 2 deletions
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11
include/gsl/assert
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@ -109,7 +109,7 @@ public:
using handler = void (*)();
#endif
constexpr contract_group (handler h) : chandler(sanitize(h)) { }
constexpr contract_group (handler h = nullptr) : chandler(sanitize(h)) { }
#if __cplusplus >= 202002L
constexpr auto set_handler(handler h) -> handler { return std::exchange(chandler, sanitize(h)); }
#else // VESTIGIAL, remove when no longer needed for downlevel compilers
@ -125,7 +125,14 @@ private:
handler chandler;
};
auto static Default = contract_group( &gsl::details::terminate );
auto static Default = contract_group(
#if defined GSL_TERMINATE_ON_CONTRACT_VIOLATION
&gsl::details::terminate
#else // if defined GSL_UNENFORCED_ON_CONTRACT_VIOLATION
// use default == null handler
#endif
);
auto static Bounds = contract_group( Default.get_handler() );
auto static Null = contract_group( Default.get_handler() );
auto static Testing = contract_group( Default.get_handler() );