1 // Copyright 2016 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "src/deoptimize-reason.h" 6 7 namespace v8 { 8 namespace internal { 9 operator <<(std::ostream & os,DeoptimizeReason reason)10std::ostream& operator<<(std::ostream& os, DeoptimizeReason reason) { 11 switch (reason) { 12 #define DEOPTIMIZE_REASON(Name, message) \ 13 case DeoptimizeReason::k##Name: \ 14 return os << #Name; 15 DEOPTIMIZE_REASON_LIST(DEOPTIMIZE_REASON) 16 #undef DEOPTIMIZE_REASON 17 } 18 UNREACHABLE(); 19 return os; 20 } 21 hash_value(DeoptimizeReason reason)22size_t hash_value(DeoptimizeReason reason) { 23 return static_cast<uint8_t>(reason); 24 } 25 DeoptimizeReasonToString(DeoptimizeReason reason)26char const* DeoptimizeReasonToString(DeoptimizeReason reason) { 27 static char const* kDeoptimizeReasonStrings[] = { 28 #define DEOPTIMIZE_REASON(Name, message) message, 29 DEOPTIMIZE_REASON_LIST(DEOPTIMIZE_REASON) 30 #undef DEOPTIMIZE_REASON 31 }; 32 size_t const index = static_cast<size_t>(reason); 33 DCHECK_LT(index, arraysize(kDeoptimizeReasonStrings)); 34 return kDeoptimizeReasonStrings[index]; 35 } 36 37 } // namespace internal 38 } // namespace v8 39