Inline LookupInHolder and NextHolder

src/lookup-inl.h

+// Copyright 2014 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_LOOKUP_INL_H_
+#define V8_LOOKUP_INL_H_
+
+#include "src/lookup.h"
+
+namespace v8 {
+namespace internal {
+
+
+JSReceiver* LookupIterator::NextHolder(Map* map) {
+  DisallowHeapAllocation no_gc;
+  if (map->prototype()->IsNull()) return NULL;
+
+  JSReceiver* next = JSReceiver::cast(map->prototype());
+  ASSERT(!next->map()->IsGlobalObjectMap() ||
+         next->map()->is_hidden_prototype());
+
+  if (!check_derived() &&
+      !(check_hidden() && next->map()->is_hidden_prototype())) {
+    return NULL;
+  }
+
+  return next;
+}
+
+
+LookupIterator::State LookupIterator::LookupInHolder(Map* map) {
+  DisallowHeapAllocation no_gc;
+  switch (state_) {
+    case NOT_FOUND:
+      if (map->IsJSProxyMap()) {
+        return JSPROXY;
+      }
+      if (check_access_check() && map->is_access_check_needed()) {
+        return ACCESS_CHECK;
+      }
+    // Fall through.
+    case ACCESS_CHECK:
+      if (check_interceptor() && map->has_named_interceptor()) {
+        return INTERCEPTOR;
+      }
+    // Fall through.
+    case INTERCEPTOR:
+      if (map->is_dictionary_map()) {
+        property_encoding_ = DICTIONARY;
+      } else {
+        DescriptorArray* descriptors = map->instance_descriptors();
+        number_ = descriptors->SearchWithCache(*name_, map);
+        if (number_ == DescriptorArray::kNotFound) return NOT_FOUND;
+        property_encoding_ = DESCRIPTOR;
+      }
+      return PROPERTY;
+    case PROPERTY:
+      return NOT_FOUND;
+    case JSPROXY:
+      UNREACHABLE();
+  }
+  UNREACHABLE();
+  return state_;
+}
+}
+}  // namespace v8::internal
+
+#endif  // V8_LOOKUP_INL_H_