1 files changed, 77 insertions, 0 deletions
diff --git a/deps/v8/src/objects/type-hints.h b/deps/v8/src/objects/type-hints.h
new file mode 100644
index 0000000000..1aa2709665
--- /dev/null
+++ b/deps/v8/src/objects/type-hints.h
@@ -0,0 +1,77 @@
+// 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_OBJECTS_TYPE_HINTS_H_
+#define V8_OBJECTS_TYPE_HINTS_H_
+
+#include "src/base/flags.h"
+#include "src/utils/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,
+  kReceiverOrNullOrUndefined,
+  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_OBJECTS_TYPE_HINTS_H_