// Copyright 2017 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_ARRAY_GEN_H_ #define V8_BUILTINS_BUILTINS_ARRAY_GEN_H_ #include "src/codegen/code-stub-assembler.h" namespace v8 { namespace internal { class ArrayBuiltinsAssembler : public CodeStubAssembler { public: explicit ArrayBuiltinsAssembler(compiler::CodeAssemblerState* state); using BuiltinResultGenerator = std::function<void(ArrayBuiltinsAssembler* masm)>; using CallResultProcessor = std::function<TNode<Object>( ArrayBuiltinsAssembler* masm, TNode<Object> k_value, TNode<UintPtrT> k)>; void TypedArrayMapResultGenerator(); // See tc39.github.io/ecma262/#sec-%typedarray%.prototype.map. TNode<Object> TypedArrayMapProcessor(TNode<Object> k_value, TNode<UintPtrT> k); TNode<String> CallJSArrayArrayJoinConcatToSequentialString( TNode<FixedArray> fixed_array, TNode<IntPtrT> length, TNode<String> sep, TNode<String> dest) { TNode<ExternalReference> func = ExternalConstant( ExternalReference::jsarray_array_join_concat_to_sequential_string()); TNode<ExternalReference> isolate_ptr = ExternalConstant(ExternalReference::isolate_address(isolate())); return UncheckedCast<String>( CallCFunction(func, MachineType::AnyTagged(), // <return> String std::make_pair(MachineType::Pointer(), isolate_ptr), std::make_pair(MachineType::AnyTagged(), fixed_array), std::make_pair(MachineType::IntPtr(), length), std::make_pair(MachineType::AnyTagged(), sep), std::make_pair(MachineType::AnyTagged(), dest))); } protected: TNode<Context> context() { return context_; } TNode<Object> receiver() { return receiver_; } TNode<IntPtrT> argc() { return argc_; } TNode<JSReceiver> o() { return o_; } TNode<UintPtrT> len() { return len_; } TNode<Object> callbackfn() { return callbackfn_; } TNode<Object> this_arg() { return this_arg_; } TNode<UintPtrT> k() { return k_.value(); } TNode<Object> a() { return a_.value(); } void ReturnFromBuiltin(TNode<Object> value); void InitIteratingArrayBuiltinBody(TNode<Context> context, TNode<Object> receiver, TNode<Object> callbackfn, TNode<Object> this_arg, TNode<IntPtrT> argc); void GenerateIteratingTypedArrayBuiltinBody( const char* name, const BuiltinResultGenerator& generator, const CallResultProcessor& processor, ForEachDirection direction = ForEachDirection::kForward); void TailCallArrayConstructorStub( const Callable& callable, TNode<Context> context, TNode<JSFunction> target, TNode<HeapObject> allocation_site_or_undefined, TNode<Int32T> argc); void GenerateDispatchToArrayStub(TNode<Context> context, TNode<JSFunction> target, TNode<Int32T> argc, AllocationSiteOverrideMode mode, TNode<AllocationSite> allocation_site = {}); void CreateArrayDispatchNoArgument( TNode<Context> context, TNode<JSFunction> target, TNode<Int32T> argc, AllocationSiteOverrideMode mode, TNode<AllocationSite> allocation_site = {}); void CreateArrayDispatchSingleArgument( TNode<Context> context, TNode<JSFunction> target, TNode<Int32T> argc, AllocationSiteOverrideMode mode, TNode<AllocationSite> allocation_site = {}); void GenerateConstructor(TNode<Context> context, TNode<HeapObject> array_function, TNode<Map> array_map, TNode<Object> array_size, TNode<HeapObject> allocation_site, ElementsKind elements_kind, AllocationSiteMode mode); void GenerateArrayNoArgumentConstructor(ElementsKind kind, AllocationSiteOverrideMode mode); void GenerateArraySingleArgumentConstructor(ElementsKind kind, AllocationSiteOverrideMode mode); void GenerateArrayNArgumentsConstructor( TNode<Context> context, TNode<JSFunction> target, TNode<Object> new_target, TNode<Int32T> argc, TNode<HeapObject> maybe_allocation_site); private: void VisitAllTypedArrayElements(TNode<JSArrayBuffer> array_buffer, const CallResultProcessor& processor, Label* detached, ForEachDirection direction, TNode<JSTypedArray> typed_array); TNode<Object> callbackfn_; TNode<JSReceiver> o_; TNode<Object> this_arg_; TNode<UintPtrT> len_; TNode<Context> context_; TNode<Object> receiver_; TNode<IntPtrT> argc_; TNode<BoolT> fast_typed_array_target_; const char* name_ = nullptr; TVariable<UintPtrT> k_; TVariable<Object> a_; Label fully_spec_compliant_; ElementsKind source_elements_kind_ = ElementsKind::NO_ELEMENTS; }; } // namespace internal } // namespace v8 #endif // V8_BUILTINS_BUILTINS_ARRAY_GEN_H_