V8 API Reference, 7.2.502.16 (for Deno 0.2.4)
deoptimize-reason.cc
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 }
20 
21 size_t hash_value(DeoptimizeReason reason) {
22  return static_cast<uint8_t>(reason);
23 }
24 
25 char const* DeoptimizeReasonToString(DeoptimizeReason reason) {
26  static char const* kDeoptimizeReasonStrings[] = {
27 #define DEOPTIMIZE_REASON(Name, message) message,
28  DEOPTIMIZE_REASON_LIST(DEOPTIMIZE_REASON)
29 #undef DEOPTIMIZE_REASON
30  };
31  size_t const index = static_cast<size_t>(reason);
32  DCHECK_LT(index, arraysize(kDeoptimizeReasonStrings));
33  return kDeoptimizeReasonStrings[index];
34 }
35 
36 } // namespace internal
37 } // namespace v8
Definition: libplatform.h:13