elements.cc | Explore in Territory

// Copyright 2012 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/objects/elements.h"

#include "src/base/atomicops.h"
#include "src/base/safe_conversions.h"
#include "src/common/message-template.h"
#include "src/execution/arguments.h"
#include "src/execution/frames.h"
#include "src/execution/isolate-inl.h"
#include "src/execution/protectors-inl.h"
#include "src/heap/factory.h"
#include "src/heap/heap-inl.h"  // For MaxNumberToStringCacheSize.
#include "src/heap/heap-write-barrier-inl.h"
#include "src/numbers/conversions.h"
#include "src/objects/arguments-inl.h"
#include "src/objects/hash-table-inl.h"
#include "src/objects/js-array-buffer-inl.h"
#include "src/objects/js-array-inl.h"
#include "src/objects/js-shared-array-inl.h"
#include "src/objects/keys.h"
#include "src/objects/objects-inl.h"
#include "src/objects/slots-atomic-inl.h"
#include "src/objects/slots.h"
#include "src/utils/utils.h"
#include "third_party/fp16/src/include/fp16.h"

// Each concrete ElementsAccessor can handle exactly one ElementsKind,
// several abstract ElementsAccessor classes are used to allow sharing
// common code.
//
// Inheritance hierarchy:
// - ElementsAccessorBase                        (abstract)
//   - FastElementsAccessor                      (abstract)
//     - FastSmiOrObjectElementsAccessor
//       - FastPackedSmiElementsAccessor
//       - FastHoleySmiElementsAccessor
//       - FastPackedObjectElementsAccessor
//       - FastNonextensibleObjectElementsAccessor: template
//         - FastPackedNonextensibleObjectElementsAccessor
//         - FastHoleyNonextensibleObjectElementsAccessor
//       - FastSealedObjectElementsAccessor: template
//         - FastPackedSealedObjectElementsAccessor
//         - FastHoleySealedObjectElementsAccessor
//       - FastFrozenObjectElementsAccessor: template
//         - FastPackedFrozenObjectElementsAccessor
//         - FastHoleyFrozenObjectElementsAccessor
//       - FastHoleyObjectElementsAccessor
//     - FastDoubleElementsAccessor
//       - FastPackedDoubleElementsAccessor
//       - FastHoleyDoubleElementsAccessor
//   - TypedElementsAccessor: template, with instantiations:
//     - Uint8ElementsAccessor
//     - Int8ElementsAccessor
//     - Uint16ElementsAccessor
//     - Int16ElementsAccessor
//     - Uint32ElementsAccessor
//     - Int32ElementsAccessor
//     - Float32ElementsAccessor
//     - Float64ElementsAccessor
//     - Uint8ClampedElementsAccessor
//     - BigUint64ElementsAccessor
//     - BigInt64ElementsAccessor
//     - RabGsabUint8ElementsAccessor
//     - RabGsabInt8ElementsAccessor
//     - RabGsabUint16ElementsAccessor
//     - RabGsabInt16ElementsAccessor
//     - RabGsabUint32ElementsAccessor
//     - RabGsabInt32ElementsAccessor
//     - RabGsabFloat32ElementsAccessor
//     - RabGsabFloat64ElementsAccessor
//     - RabGsabUint8ClampedElementsAccessor
//     - RabGsabBigUint64ElementsAccessor
//     - RabGsabBigInt64ElementsAccessor
//   - DictionaryElementsAccessor
//   - SloppyArgumentsElementsAccessor
//     - FastSloppyArgumentsElementsAccessor
//     - SlowSloppyArgumentsElementsAccessor
//   - StringWrapperElementsAccessor
//     - FastStringWrapperElementsAccessor
//     - SlowStringWrapperElementsAccessor

namespace v8 {
namespace internal {

namespace …  // namespace

MaybeHandle<Object> ArrayConstructInitializeElements(
    Handle<JSArray> array, JavaScriptArguments* args) { … }

void CopyFastNumberJSArrayElementsToTypedArray(Address raw_context,
                                               Address raw_source,
                                               Address raw_destination,
                                               uintptr_t length,
                                               uintptr_t offset) { … }

void CopyTypedArrayElementsToTypedArray(Address raw_source,
                                        Address raw_destination,
                                        uintptr_t length, uintptr_t offset) { … }

void CopyTypedArrayElementsSlice(Address raw_source, Address raw_destination,
                                 uintptr_t start, uintptr_t end) { … }

void ElementsAccessor::InitializeOncePerProcess() { … }

void ElementsAccessor::TearDown() { … }

Handle<JSArray> ElementsAccessor::Concat(Isolate* isolate,
                                         BuiltinArguments* args,
                                         uint32_t concat_size,
                                         uint32_t result_len) { … }

ElementsAccessor** ElementsAccessor::elements_accessors_ = …;

#undef ELEMENTS_LIST
#undef RETURN_NOTHING_IF_NOT_SUCCESSFUL
#undef RETURN_FAILURE_IF_NOT_SUCCESSFUL
}  // namespace internal
}  // namespace v8
chromium/v8/src/objects/elements.cc
