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// 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.
#ifndef V8_ROOTS_INL_H_
#define V8_ROOTS_INL_H_
#include "src/roots.h"
#include "src/heap/heap-inl.h"
#include "src/objects/api-callbacks.h"
namespace v8 {
namespace internal {
ReadOnlyRoots::ReadOnlyRoots(Isolate* isolate) : heap_(isolate->heap()) {}
#define ROOT_ACCESSOR(type, name, camel_name) \
type* ReadOnlyRoots::name() { \
return type::cast(heap_->roots_[Heap::k##camel_name##RootIndex]); \
} \
Handle<type> ReadOnlyRoots::name##_handle() { \
return Handle<type>( \
bit_cast<type**>(&heap_->roots_[Heap::k##camel_name##RootIndex])); \
}
STRONG_READ_ONLY_ROOT_LIST(ROOT_ACCESSOR)
#undef ROOT_ACCESSOR
#define STRING_ACCESSOR(name, str) \
String* ReadOnlyRoots::name() { \
return String::cast(heap_->roots_[Heap::k##name##RootIndex]); \
} \
Handle<String> ReadOnlyRoots::name##_handle() { \
return Handle<String>( \
bit_cast<String**>(&heap_->roots_[Heap::k##name##RootIndex])); \
}
INTERNALIZED_STRING_LIST(STRING_ACCESSOR)
#undef STRING_ACCESSOR
#define SYMBOL_ACCESSOR(name) \
Symbol* ReadOnlyRoots::name() { \
return Symbol::cast(heap_->roots_[Heap::k##name##RootIndex]); \
} \
Handle<Symbol> ReadOnlyRoots::name##_handle() { \
return Handle<Symbol>( \
bit_cast<Symbol**>(&heap_->roots_[Heap::k##name##RootIndex])); \
}
PRIVATE_SYMBOL_LIST(SYMBOL_ACCESSOR)
#undef SYMBOL_ACCESSOR
#define SYMBOL_ACCESSOR(name, description) \
Symbol* ReadOnlyRoots::name() { \
return Symbol::cast(heap_->roots_[Heap::k##name##RootIndex]); \
} \
Handle<Symbol> ReadOnlyRoots::name##_handle() { \
return Handle<Symbol>( \
bit_cast<Symbol**>(&heap_->roots_[Heap::k##name##RootIndex])); \
}
PUBLIC_SYMBOL_LIST(SYMBOL_ACCESSOR)
WELL_KNOWN_SYMBOL_LIST(SYMBOL_ACCESSOR)
#undef SYMBOL_ACCESSOR
#define STRUCT_MAP_ACCESSOR(NAME, Name, name) \
Map* ReadOnlyRoots::name##_map() { \
return Map::cast(heap_->roots_[Heap::k##Name##MapRootIndex]); \
} \
Handle<Map> ReadOnlyRoots::name##_map_handle() { \
return Handle<Map>( \
bit_cast<Map**>(&heap_->roots_[Heap::k##Name##MapRootIndex])); \
}
STRUCT_LIST(STRUCT_MAP_ACCESSOR)
#undef STRUCT_MAP_ACCESSOR
#define ALLOCATION_SITE_MAP_ACCESSOR(NAME, Name, Size, name) \
Map* ReadOnlyRoots::name##_map() { \
return Map::cast(heap_->roots_[Heap::k##Name##Size##MapRootIndex]); \
} \
Handle<Map> ReadOnlyRoots::name##_map_handle() { \
return Handle<Map>( \
bit_cast<Map**>(&heap_->roots_[Heap::k##Name##Size##MapRootIndex])); \
}
ALLOCATION_SITE_LIST(ALLOCATION_SITE_MAP_ACCESSOR)
#undef ALLOCATION_SITE_MAP_ACCESSOR
FixedTypedArrayBase* ReadOnlyRoots::EmptyFixedTypedArrayForMap(const Map* map) {
// TODO(delphick): All of these empty fixed type arrays are in RO_SPACE so
// this the method below can be moved into ReadOnlyRoots.
return heap_->EmptyFixedTypedArrayForMap(map);
}
} // namespace internal
} // namespace v8
#endif // V8_ROOTS_INL_H_
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