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| // Copyright 2015 the V8 project authors. All rights reserved.
| // Use of this source code is governed by a BSD-style license that can be
| // found in the LICENSE file.
|
| #ifndef V8_TYPE_HINTS_H_
| #define V8_TYPE_HINTS_H_
|
| #include "src/base/flags.h"
| #include "src/utils.h"
|
| namespace v8 {
| namespace internal {
|
| // Type hints for an binary operation.
| enum class BinaryOperationHint : uint8_t {
| kNone,
| kSignedSmall,
| kSignedSmallInputs,
| kSigned32,
| kNumber,
| kNumberOrOddball,
| kString,
| kBigInt,
| kAny
| };
|
| inline size_t hash_value(BinaryOperationHint hint) {
| return static_cast<unsigned>(hint);
| }
|
| std::ostream& operator<<(std::ostream&, BinaryOperationHint);
|
| // Type hints for an compare operation.
| enum class CompareOperationHint : uint8_t {
| kNone,
| kSignedSmall,
| kNumber,
| kNumberOrOddball,
| kInternalizedString,
| kString,
| kSymbol,
| kBigInt,
| kReceiver,
| kAny
| };
|
| inline size_t hash_value(CompareOperationHint hint) {
| return static_cast<unsigned>(hint);
| }
|
| std::ostream& operator<<(std::ostream&, CompareOperationHint);
|
| // Type hints for for..in statements.
| enum class ForInHint : uint8_t {
| kNone,
| kEnumCacheKeysAndIndices,
| kEnumCacheKeys,
| kAny
| };
|
| std::ostream& operator<<(std::ostream&, ForInHint);
|
| enum StringAddFlags {
| // Omit both parameter checks.
| STRING_ADD_CHECK_NONE,
| // Convert parameters when check fails (instead of throwing an exception).
| STRING_ADD_CONVERT_LEFT,
| STRING_ADD_CONVERT_RIGHT,
| };
|
| std::ostream& operator<<(std::ostream& os, const StringAddFlags& flags);
|
| } // namespace internal
| } // namespace v8
|
| #endif // V8_TYPE_HINTS_H_
|
|
