text: // Copyright 2017 The Abseil Authors.
  //
  // Licensed under the Apache License, Version 2.0 (the "License");
  // you may not use this file except in compliance with the License.
  // You may obtain a copy of the License at
  //
  //      http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing, software
  // distributed under the License is distributed on an "AS IS" BASIS,
  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  // See the License for the specific language governing permissions and
  // limitations under the License.
  
  #include "absl/types/bad_variant_access.h"
  
  #ifndef ABSL_HAVE_STD_VARIANT
  
  #include <cstdlib>
  #include <stdexcept>
  
  #include "absl/base/config.h"
  #include "absl/base/internal/raw_logging.h"
  
  namespace absl {
  
  //////////////////////////
  // [variant.bad.access] //
  //////////////////////////
  
  bad_variant_access::~bad_variant_access() = default;
  
  const char* bad_variant_access::what() const noexcept {
    return "Bad variant access";
  }
  
  namespace variant_internal {
  
  void ThrowBadVariantAccess() {
  #ifdef ABSL_HAVE_EXCEPTIONS
    throw bad_variant_access();
  #else
    ABSL_RAW_LOG(FATAL, "Bad variant access");
    abort();  // TODO(calabrese) Remove once RAW_LOG FATAL is noreturn.
  #endif
  }
  
  void Rethrow() {
  #ifdef ABSL_HAVE_EXCEPTIONS
    throw;
  #else
    ABSL_RAW_LOG(FATAL,
                 "Internal error in absl::variant implementation. Attempted to "
                 "rethrow an exception when building with exceptions disabled.");
    abort();  // TODO(calabrese) Remove once RAW_LOG FATAL is noreturn.
  #endif
  }
  
  }  // namespace variant_internal
  }  // namespace absl
  
  #endif  // ABSL_HAVE_STD_VARIANT
  