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 
10 std::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 
22 size_t hash_value(DeoptimizeReason reason) {
23   return static_cast<uint8_t>(reason);
24 }
25 
26 char 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