| // 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)); |
| |
| Node* value = ToThisValue(context, receiver, PrimitiveType::kSymbol, |
| "Symbol.prototype.description"); |
| Node* 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)); |
| |
| Node* 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)); |
| |
| Node* value = ToThisValue(context, receiver, PrimitiveType::kSymbol, |
| "Symbol.prototype.toString"); |
| Node* 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)); |
| |
| Node* result = ToThisValue(context, receiver, PrimitiveType::kSymbol, |
| "Symbol.prototype.valueOf"); |
| Return(result); |
| } |
| |
| } // namespace internal |
| } // namespace v8 |