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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_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
#define V8_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
#include "torque-generated/builtins-base-from-dsl-gen.h"
namespace v8 {
namespace internal {
class TypedArrayBuiltinsAssembler : public BaseBuiltinsFromDSLAssembler {
public:
explicit TypedArrayBuiltinsAssembler(compiler::CodeAssemblerState* state)
: BaseBuiltinsFromDSLAssembler(state) {}
TNode<JSTypedArray> SpeciesCreateByLength(TNode<Context> context,
TNode<JSTypedArray> exemplar,
TNode<Smi> len,
const char* method_name);
protected:
void GenerateTypedArrayPrototypeGetter(Node* context, Node* receiver,
const char* method_name,
int object_offset);
void GenerateTypedArrayPrototypeIterationMethod(TNode<Context> context,
TNode<Object> receiver,
const char* method_name,
IterationKind iteration_kind);
void ConstructByLength(TNode<Context> context, TNode<JSTypedArray> holder,
TNode<Object> length, TNode<Smi> element_size);
void ConstructByArrayBuffer(TNode<Context> context,
TNode<JSTypedArray> holder,
TNode<JSArrayBuffer> buffer,
TNode<Object> byte_offset, TNode<Object> length,
TNode<Smi> element_size);
void ConstructByTypedArray(TNode<Context> context, TNode<JSTypedArray> holder,
TNode<JSTypedArray> typed_array,
TNode<Smi> element_size);
void ConstructByArrayLike(TNode<Context> context, TNode<JSTypedArray> holder,
TNode<HeapObject> array_like,
TNode<Object> initial_length,
TNode<Smi> element_size,
TNode<JSReceiver> buffer_constructor);
void ConstructByIterable(TNode<Context> context, TNode<JSTypedArray> holder,
TNode<JSReceiver> iterable,
TNode<JSReceiver> iterator_fn,
TNode<Smi> element_size);
void SetupTypedArray(TNode<JSTypedArray> holder, TNode<Smi> length,
TNode<Number> byte_offset, TNode<Number> byte_length);
void AttachBuffer(TNode<JSTypedArray> holder, TNode<JSArrayBuffer> buffer,
TNode<Map> map, TNode<Smi> length,
TNode<Number> byte_offset);
TNode<Map> LoadMapForType(TNode<JSTypedArray> array);
TNode<UintPtrT> CalculateExternalPointer(TNode<UintPtrT> backing_store,
TNode<Number> byte_offset);
Node* LoadDataPtr(Node* typed_array);
TNode<BoolT> ByteLengthIsValid(TNode<Number> byte_length);
// Returns true if kind is either UINT8_ELEMENTS or UINT8_CLAMPED_ELEMENTS.
TNode<Word32T> IsUint8ElementsKind(TNode<Word32T> kind);
// Returns true if kind is either BIGINT64_ELEMENTS or BIGUINT64_ELEMENTS.
TNode<Word32T> IsBigInt64ElementsKind(TNode<Word32T> kind);
// Returns the byte size of an element for a TypedArray elements kind.
TNode<IntPtrT> GetTypedArrayElementSize(TNode<Word32T> elements_kind);
TNode<JSArrayBuffer> LoadTypedArrayBuffer(TNode<JSTypedArray> typed_array) {
return LoadObjectField<JSArrayBuffer>(typed_array,
JSTypedArray::kBufferOffset);
}
TNode<Object> GetDefaultConstructor(TNode<Context> context,
TNode<JSTypedArray> exemplar);
TNode<Object> TypedArraySpeciesConstructor(TNode<Context> context,
TNode<JSTypedArray> exemplar);
TNode<JSTypedArray> SpeciesCreateByArrayBuffer(TNode<Context> context,
TNode<JSTypedArray> exemplar,
TNode<JSArrayBuffer> buffer,
TNode<Number> byte_offset,
TNode<Smi> len,
const char* method_name);
TNode<JSTypedArray> CreateByLength(TNode<Context> context,
TNode<Object> constructor, TNode<Smi> len,
const char* method_name);
TNode<JSArrayBuffer> GetBuffer(TNode<Context> context,
TNode<JSTypedArray> array);
TNode<JSTypedArray> ValidateTypedArray(TNode<Context> context,
TNode<Object> obj,
const char* method_name);
// Fast path for setting a TypedArray (source) onto another TypedArray
// (target) at an element offset.
void SetTypedArraySource(TNode<Context> context, TNode<JSTypedArray> source,
TNode<JSTypedArray> target, TNode<IntPtrT> offset,
Label* call_runtime, Label* if_source_too_large);
void SetJSArraySource(TNode<Context> context, TNode<JSArray> source,
TNode<JSTypedArray> target, TNode<IntPtrT> offset,
Label* call_runtime, Label* if_source_too_large);
void CallCMemmove(TNode<IntPtrT> dest_ptr, TNode<IntPtrT> src_ptr,
TNode<IntPtrT> byte_length);
void CallCCopyFastNumberJSArrayElementsToTypedArray(
TNode<Context> context, TNode<JSArray> source, TNode<JSTypedArray> dest,
TNode<IntPtrT> source_length, TNode<IntPtrT> offset);
void CallCCopyTypedArrayElementsToTypedArray(TNode<JSTypedArray> source,
TNode<JSTypedArray> dest,
TNode<IntPtrT> source_length,
TNode<IntPtrT> offset);
void CallCCopyTypedArrayElementsSlice(TNode<JSTypedArray> source,
TNode<JSTypedArray> dest,
TNode<IntPtrT> start,
TNode<IntPtrT> end);
typedef std::function<void(ElementsKind, int, int)> TypedArraySwitchCase;
void DispatchTypedArrayByElementsKind(
TNode<Word32T> elements_kind, const TypedArraySwitchCase& case_function);
};
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
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