[libc++][NFC] Rename _LIBCPP_NO_EXCEPTIONS to _LIBCPP_HAS_NO_EXCEPTIONS

Other macros that disable parts of the library are named `_LIBCPP_HAS_NO_WHATEVER`.

Reviewed By: ldionne, Mordante, #libc

Spies: libcxx-commits, smeenai

Differential Revision: https://reviews.llvm.org/D143163

10 files changed, 69 insertions, 69 deletions

diff --git a/libcxx/src/filesystem/filesystem_common.h b/libcxx/src/filesystem/filesystem_common.h
index 0e71569d8712..fb6f88783cd0 100644
--- a/libcxx/src/filesystem/filesystem_common.h
+++ b/libcxx/src/filesystem/filesystem_common.h
@@ -96,16 +96,16 @@ format_string(const char* msg, ...) {
   string ret;
   va_list ap;
   va_start(ap, msg);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
   try {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     ret = format_string_impl(msg, ap);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
   } catch (...) {
     va_end(ap);
     throw;
   }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
   va_end(ap);
   return ret;
 }
@@ -202,16 +202,16 @@ struct ErrorHandler {
   T report(const error_code& ec, const char* msg, ...) const {
     va_list ap;
     va_start(ap, msg);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
       report_impl(ec, msg, ap);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     } catch (...) {
       va_end(ap);
       throw;
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     va_end(ap);
     return error_value<T>();
   }
@@ -224,16 +224,16 @@ struct ErrorHandler {
   T report(errc const& err, const char* msg, ...) const {
     va_list ap;
     va_start(ap, msg);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
       report_impl(make_error_code(err), msg, ap);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     } catch (...) {
       va_end(ap);
       throw;
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     va_end(ap);
     return error_value<T>();
   }
diff --git a/libcxx/src/future.cpp b/libcxx/src/future.cpp
index cdaa93827533..f8f466bd5a21 100644
--- a/libcxx/src/future.cpp
+++ b/libcxx/src/future.cpp
@@ -197,12 +197,12 @@ promise<void>::~promise()
 {
     if (__state_)
     {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
         if (!__state_->__has_value() && __state_->use_count() > 1)
             __state_->set_exception(make_exception_ptr(
                       future_error(make_error_code(future_errc::broken_promise))
                                                       ));
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         __state_->__release_shared();
     }
 }
diff --git a/libcxx/src/ios.cpp b/libcxx/src/ios.cpp
index 870406b554d9..bb62eb994875 100644
--- a/libcxx/src/ios.cpp
+++ b/libcxx/src/ios.cpp
@@ -413,20 +413,20 @@ void
 ios_base::__set_badbit_and_consider_rethrow()
 {
     __rdstate_ |= badbit;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     if (__exceptions_ & badbit)
         throw;
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 void
 ios_base::__set_failbit_and_consider_rethrow()
 {
     __rdstate_ |= failbit;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     if (__exceptions_ & failbit)
         throw;
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 bool
diff --git a/libcxx/src/locale.cpp b/libcxx/src/locale.cpp
index 678c4877ef8b..1e60c025b127 100644
--- a/libcxx/src/locale.cpp
+++ b/libcxx/src/locale.cpp
@@ -118,7 +118,7 @@ countof(const T * const begin, const T * const end)
 
 _LIBCPP_NORETURN static void __throw_runtime_error(const string &msg)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     throw runtime_error(msg);
 #else
     (void)msg;
@@ -236,10 +236,10 @@ locale::__imp::__imp(const string& name, size_t refs)
       facets_(N),
       name_(name)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         facets_ = locale::classic().__locale_->facets_;
         for (unsigned i = 0; i < facets_.size(); ++i)
             if (facets_[i])
@@ -286,7 +286,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
 #ifndef _LIBCPP_HAS_NO_WIDE_CHARACTERS
         install(new messages_byname<wchar_t>(name_));
 #endif
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
@@ -295,7 +295,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
                 facets_[i]->__release_shared();
         throw;
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 locale::__imp::__imp(const __imp& other)
@@ -316,10 +316,10 @@ locale::__imp::__imp(const __imp& other, const string& name, locale::category c)
     for (unsigned i = 0; i < facets_.size(); ++i)
         if (facets_[i])
             facets_[i]->__add_shared();
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         if (c & locale::collate)
         {
             install(new collate_byname<char>(name));
@@ -380,7 +380,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
             install(new messages_byname<wchar_t>(name));
 #endif
         }
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
@@ -389,7 +389,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
                 facets_[i]->__release_shared();
         throw;
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 template<class F>
@@ -409,10 +409,10 @@ locale::__imp::__imp(const __imp& other, const __imp& one, locale::category c)
     for (unsigned i = 0; i < facets_.size(); ++i)
         if (facets_[i])
             facets_[i]->__add_shared();
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         if (c & locale::collate)
         {
             install_from<_VSTD::collate<char> >(one);
@@ -489,7 +489,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
             install_from<_VSTD::messages<wchar_t> >(one);
 #endif
         }
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
@@ -498,7 +498,7 @@ _LIBCPP_SUPPRESS_DEPRECATED_POP
                 facets_[i]->__release_shared();
         throw;
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 locale::__imp::__imp(const __imp& other, facet* f, long id)
@@ -6529,7 +6529,7 @@ void __do_nothing(void*) {}
 
 void __throw_runtime_error(const char* msg)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     throw runtime_error(msg);
 #else
     (void)msg;
diff --git a/libcxx/src/mutex.cpp b/libcxx/src/mutex.cpp
index 01b7420fa3b8..c09c064fdbac 100644
--- a/libcxx/src/mutex.cpp
+++ b/libcxx/src/mutex.cpp
@@ -211,21 +211,21 @@ void __call_once(volatile once_flag::_State_type& flag, void* arg,
 #if defined(_LIBCPP_HAS_NO_THREADS)
     if (flag == 0)
     {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
         try
         {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
             flag = 1;
             func(arg);
             flag = ~once_flag::_State_type(0);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
         }
         catch (...)
         {
             flag = 0;
             throw;
         }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     }
 #else // !_LIBCPP_HAS_NO_THREADS
     __libcpp_mutex_lock(&mut);
@@ -233,10 +233,10 @@ void __call_once(volatile once_flag::_State_type& flag, void* arg,
         __libcpp_condvar_wait(&cv, &mut);
     if (flag == 0)
     {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
         try
         {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
             __libcpp_relaxed_store(&flag, once_flag::_State_type(1));
             __libcpp_mutex_unlock(&mut);
             func(arg);
@@ -245,7 +245,7 @@ void __call_once(volatile once_flag::_State_type& flag, void* arg,
                                   _AO_Release);
             __libcpp_mutex_unlock(&mut);
             __libcpp_condvar_broadcast(&cv);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
         }
         catch (...)
         {
@@ -255,7 +255,7 @@ void __call_once(volatile once_flag::_State_type& flag, void* arg,
             __libcpp_condvar_broadcast(&cv);
             throw;
         }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     }
     else
         __libcpp_mutex_unlock(&mut);
diff --git a/libcxx/src/new.cpp b/libcxx/src/new.cpp
index f2ca698512ff..3c3d1dc7f56b 100644
--- a/libcxx/src/new.cpp
+++ b/libcxx/src/new.cpp
@@ -39,7 +39,7 @@ const nothrow_t nothrow{};
 void
 __throw_bad_alloc()
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     throw bad_alloc();
 #else
     _VSTD::abort();
@@ -73,7 +73,7 @@ operator new(std::size_t size) _THROW_BAD_ALLOC
         if (nh)
             nh();
         else
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
             throw std::bad_alloc();
 #else
             break;
@@ -87,17 +87,17 @@ void*
 operator new(size_t size, const std::nothrow_t&) noexcept
 {
     void* p = nullptr;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         p = ::operator new(size);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     return p;
 }
 
@@ -113,17 +113,17 @@ void*
 operator new[](size_t size, const std::nothrow_t&) noexcept
 {
     void* p = nullptr;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         p = ::operator new[](size);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     return p;
 }
 
@@ -193,7 +193,7 @@ operator new(std::size_t size, std::align_val_t alignment) _THROW_BAD_ALLOC
         if (nh)
             nh();
         else {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
             throw std::bad_alloc();
 #else
             break;
@@ -208,17 +208,17 @@ void*
 operator new(size_t size, std::align_val_t alignment, const std::nothrow_t&) noexcept
 {
     void* p = nullptr;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         p = ::operator new(size, alignment);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     return p;
 }
 
@@ -234,17 +234,17 @@ void*
 operator new[](size_t size, std::align_val_t alignment, const std::nothrow_t&) noexcept
 {
     void* p = nullptr;
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         p = ::operator new[](size, alignment);
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
     return p;
 }
 
diff --git a/libcxx/src/string.cpp b/libcxx/src/string.cpp
index db211b224277..b18dcceb37c0 100644
--- a/libcxx/src/string.cpp
+++ b/libcxx/src/string.cpp
@@ -63,7 +63,7 @@ namespace
 
 template<typename T>
 inline void throw_helper(const string& msg) {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     throw T(msg);
 #else
     fprintf(stderr, "%s\n", msg.c_str());
diff --git a/libcxx/src/support/runtime/exception_fallback.ipp b/libcxx/src/support/runtime/exception_fallback.ipp
index ade933567f23..3b2716d36f0e 100644
--- a/libcxx/src/support/runtime/exception_fallback.ipp
+++ b/libcxx/src/support/runtime/exception_fallback.ipp
@@ -51,15 +51,15 @@ _LIBCPP_NORETURN
 void
 terminate() noexcept
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         (*get_terminate())();
         // handler should not return
         fprintf(stderr, "terminate_handler unexpectedly returned\n");
         ::abort();
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
@@ -67,7 +67,7 @@ terminate() noexcept
         fprintf(stderr, "terminate_handler unexpectedly threw an exception\n");
         ::abort();
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
diff --git a/libcxx/src/support/runtime/exception_msvc.ipp b/libcxx/src/support/runtime/exception_msvc.ipp
index 7e36c7068a28..0114d5adee16 100644
--- a/libcxx/src/support/runtime/exception_msvc.ipp
+++ b/libcxx/src/support/runtime/exception_msvc.ipp
@@ -57,15 +57,15 @@ terminate_handler get_terminate() noexcept {
 _LIBCPP_NORETURN
 void terminate() noexcept
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     try
     {
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
         (*get_terminate())();
         // handler should not return
         fprintf(stderr, "terminate_handler unexpectedly returned\n");
         ::abort();
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     }
     catch (...)
     {
@@ -73,7 +73,7 @@ void terminate() noexcept
         fprintf(stderr, "terminate_handler unexpectedly threw an exception\n");
         ::abort();
     }
-#endif // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_HAS_NO_EXCEPTIONS
 }
 
 bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
diff --git a/libcxx/src/system_error.cpp b/libcxx/src/system_error.cpp
index ba5fa8f30b28..190abfd703ab 100644
--- a/libcxx/src/system_error.cpp
+++ b/libcxx/src/system_error.cpp
@@ -286,7 +286,7 @@ system_error::~system_error() noexcept
 void
 __throw_system_error(int ev, const char* what_arg)
 {
-#ifndef _LIBCPP_NO_EXCEPTIONS
+#ifndef _LIBCPP_HAS_NO_EXCEPTIONS
     throw system_error(error_code(ev, system_category()), what_arg);
 #else
     (void)ev;