1 files changed, 68 insertions, 0 deletions
diff --git a/deps/v8/src/objects/map-inl.h b/deps/v8/src/objects/map-inl.h
new file mode 100644
index 0000000000..aab6e78668
--- /dev/null
+++ b/deps/v8/src/objects/map-inl.h
@@ -0,0 +1,68 @@
+// Copyright 2017 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_MAP_INL_H_
+#define V8_OBJECTS_MAP_INL_H_
+
+#include "src/field-type.h"
+#include "src/objects/map.h"
+
+// Has to be the last include (doesn't have include guards):
+#include "src/objects/object-macros.h"
+
+namespace v8 {
+namespace internal {
+
+CAST_ACCESSOR(Map)
+
+InterceptorInfo* Map::GetNamedInterceptor() {
+  DCHECK(has_named_interceptor());
+  FunctionTemplateInfo* info = GetFunctionTemplateInfo();
+  return InterceptorInfo::cast(info->named_property_handler());
+}
+
+InterceptorInfo* Map::GetIndexedInterceptor() {
+  DCHECK(has_indexed_interceptor());
+  FunctionTemplateInfo* info = GetFunctionTemplateInfo();
+  return InterceptorInfo::cast(info->indexed_property_handler());
+}
+
+bool Map::IsInplaceGeneralizableField(PropertyConstness constness,
+                                      Representation representation,
+                                      FieldType* field_type) {
+  if (FLAG_track_constant_fields && FLAG_modify_map_inplace &&
+      (constness == kConst)) {
+    // kConst -> kMutable field generalization may happen in-place.
+    return true;
+  }
+  if (representation.IsHeapObject() && !field_type->IsAny()) {
+    return true;
+  }
+  return false;
+}
+
+int NormalizedMapCache::GetIndex(Handle<Map> map) {
+  return map->Hash() % NormalizedMapCache::kEntries;
+}
+
+bool NormalizedMapCache::IsNormalizedMapCache(const HeapObject* obj) {
+  if (!obj->IsFixedArray()) return false;
+  if (FixedArray::cast(obj)->length() != NormalizedMapCache::kEntries) {
+    return false;
+  }
+#ifdef VERIFY_HEAP
+  if (FLAG_verify_heap) {
+    reinterpret_cast<NormalizedMapCache*>(const_cast<HeapObject*>(obj))
+        ->NormalizedMapCacheVerify();
+  }
+#endif
+  return true;
+}
+
+}  // namespace internal
+}  // namespace v8
+
+#include "src/objects/object-macros-undef.h"
+
+#endif  // V8_OBJECTS_MAP_INL_H_