src/roots.cc

// Copyright 2018 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.

#include "src/roots.h"
#include "src/elements-kind.h"

namespace v8 {
namespace internal {

// static
RootIndex RootsTable::RootIndexForFixedTypedArray(
    ExternalArrayType array_type) {
  switch (array_type) {
#define ARRAY_TYPE_TO_ROOT_INDEX(Type, type, TYPE, ctype) \
  case kExternal##Type##Array:                            \
    return RootIndex::kFixed##Type##ArrayMap;

    TYPED_ARRAYS(ARRAY_TYPE_TO_ROOT_INDEX)
#undef ARRAY_TYPE_TO_ROOT_INDEX
  }
  UNREACHABLE();
}

// static
RootIndex RootsTable::RootIndexForFixedTypedArray(ElementsKind elements_kind) {
  switch (elements_kind) {
#define TYPED_ARRAY_CASE(Type, type, TYPE, ctype) \
  case TYPE##_ELEMENTS:                           \
    return RootIndex::kFixed##Type##ArrayMap;
    TYPED_ARRAYS(TYPED_ARRAY_CASE)
    default:
      UNREACHABLE();
#undef TYPED_ARRAY_CASE
  }
}

// static
RootIndex RootsTable::RootIndexForEmptyFixedTypedArray(
    ElementsKind elements_kind) {
  switch (elements_kind) {
#define ELEMENT_KIND_TO_ROOT_INDEX(Type, type, TYPE, ctype) \
  case TYPE##_ELEMENTS:                                     \
    return RootIndex::kEmptyFixed##Type##Array;

    TYPED_ARRAYS(ELEMENT_KIND_TO_ROOT_INDEX)
#undef ELEMENT_KIND_TO_ROOT_INDEX
    default:
      UNREACHABLE();
  }
}

}  // namespace internal
}  // namespace v8