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// 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. #include "src/builtins/builtins-utils-gen.h" #include "src/builtins/builtins.h" #include "src/codegen/code-stub-assembler.h" namespace v8 { namespace internal { // ----------------------------------------------------------------------------- // ES #sec-symbol-objects // ES #sec-symbol.prototype.description TF_BUILTIN(SymbolPrototypeDescriptionGetter, CodeStubAssembler) { TNode<Context> context = CAST(Parameter(Descriptor::kContext)); TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver)); TNode<Symbol> value = CAST(ToThisValue(context, receiver, PrimitiveType::kSymbol, "Symbol.prototype.description")); TNode<Object> result = LoadObjectField(value, Symbol::kNameOffset); Return(result); } // ES6 #sec-symbol.prototype-@@toprimitive TF_BUILTIN(SymbolPrototypeToPrimitive, CodeStubAssembler) { TNode<Context> context = CAST(Parameter(Descriptor::kContext)); TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver)); TNode<Object> result = ToThisValue(context, receiver, PrimitiveType::kSymbol, "Symbol.prototype [ @@toPrimitive ]"); Return(result); } // ES6 #sec-symbol.prototype.tostring TF_BUILTIN(SymbolPrototypeToString, CodeStubAssembler) { TNode<Context> context = CAST(Parameter(Descriptor::kContext)); TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver)); TNode<Object> value = ToThisValue(context, receiver, PrimitiveType::kSymbol, "Symbol.prototype.toString"); TNode<Object> result = CallRuntime(Runtime::kSymbolDescriptiveString, context, value); Return(result); } // ES6 #sec-symbol.prototype.valueof TF_BUILTIN(SymbolPrototypeValueOf, CodeStubAssembler) { TNode<Context> context = CAST(Parameter(Descriptor::kContext)); TNode<Object> receiver = CAST(Parameter(Descriptor::kReceiver)); TNode<Object> result = ToThisValue(context, receiver, PrimitiveType::kSymbol, "Symbol.prototype.valueOf"); Return(result); } } // namespace internal } // namespace v8