src/v8/src/type-feedback-vector-inl.h

   1 // Copyright 2012 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 #ifndef V8_TYPE_FEEDBACK_VECTOR_INL_H_
   6 #define V8_TYPE_FEEDBACK_VECTOR_INL_H_
   7
   8 #include "src/type-feedback-vector.h"
   9
  10 namespace v8 {
  11 namespace internal {
  12
  13 int TypeFeedbackVector::ic_metadata_length() const {
  14   return FLAG_vector_ics ? VectorICComputer::word_count(ICSlots()) : 0;
  15 }
  16
  17
  18 Handle<Object> TypeFeedbackVector::UninitializedSentinel(Isolate* isolate) {
  19   return isolate->factory()->uninitialized_symbol();
  20 }
  21
  22
  23 Handle<Object> TypeFeedbackVector::MegamorphicSentinel(Isolate* isolate) {
  24   return isolate->factory()->megamorphic_symbol();
  25 }
  26
  27
  28 Handle<Object> TypeFeedbackVector::PremonomorphicSentinel(Isolate* isolate) {
  29   return isolate->factory()->premonomorphic_symbol();
  30 }
  31
  32
  33 Handle<Object> TypeFeedbackVector::GenericSentinel(Isolate* isolate) {
  34   return isolate->factory()->generic_symbol();
  35 }
  36
  37
  38 Handle<Object> TypeFeedbackVector::MonomorphicArraySentinel(
  39     Isolate* isolate, ElementsKind elements_kind) {
  40   return Handle<Object>(Smi::FromInt(static_cast<int>(elements_kind)), isolate);
  41 }
  42
  43
  44 Object* TypeFeedbackVector::RawUninitializedSentinel(Heap* heap) {
  45   return heap->uninitialized_symbol();
  46 }
  47 }
  48 }  // namespace v8::internal
  49
  50 #endif  // V8_TYPE_FEEDBACK_VECTOR_INL_H_