Line data    Source code

       1             : // Copyright 2017 the V8 project authors. All rights reserved.
       2             : // Use of this source code is governed by a BSD-style license that can be
       3             : // found in the LICENSE file.
       4             : 
       5             : #include "src/builtins/builtins-utils-gen.h"
       6             : #include "src/builtins/builtins.h"
       7             : #include "src/code-stub-assembler.h"
       8             : 
       9             : namespace v8 {
      10             : namespace internal {
      11             : 
      12             : // -----------------------------------------------------------------------------
      13             : // ES6 #sec-symbol-objects
      14             : // ES ##sec-symbol.prototype.description
      15         168 : TF_BUILTIN(SymbolPrototypeDescriptionGetter, CodeStubAssembler) {
      16             :   Node* context = Parameter(Descriptor::kContext);
      17             :   Node* receiver = Parameter(Descriptor::kReceiver);
      18             : 
      19             :   Node* value = ToThisValue(context, receiver, PrimitiveType::kSymbol,
      20          56 :                             "Symbol.prototype.description");
      21             :   Node* result = LoadObjectField(value, Symbol::kNameOffset);
      22          56 :   Return(result);
      23          56 : }
      24             : 
      25             : // ES6 #sec-symbol.prototype-@@toprimitive
      26         168 : TF_BUILTIN(SymbolPrototypeToPrimitive, CodeStubAssembler) {
      27             :   Node* context = Parameter(Descriptor::kContext);
      28             :   Node* receiver = Parameter(Descriptor::kReceiver);
      29             : 
      30             :   Node* result = ToThisValue(context, receiver, PrimitiveType::kSymbol,
      31          56 :                              "Symbol.prototype [ @@toPrimitive ]");
      32          56 :   Return(result);
      33          56 : }
      34             : 
      35             : // ES6 #sec-symbol.prototype.tostring
      36         168 : TF_BUILTIN(SymbolPrototypeToString, CodeStubAssembler) {
      37             :   Node* context = Parameter(Descriptor::kContext);
      38             :   Node* receiver = Parameter(Descriptor::kReceiver);
      39             : 
      40             :   Node* value = ToThisValue(context, receiver, PrimitiveType::kSymbol,
      41          56 :                             "Symbol.prototype.toString");
      42             :   Node* result = CallRuntime(Runtime::kSymbolDescriptiveString, context, value);
      43          56 :   Return(result);
      44          56 : }
      45             : 
      46             : // ES6 #sec-symbol.prototype.valueof
      47         168 : TF_BUILTIN(SymbolPrototypeValueOf, CodeStubAssembler) {
      48             :   Node* context = Parameter(Descriptor::kContext);
      49             :   Node* receiver = Parameter(Descriptor::kReceiver);
      50             : 
      51             :   Node* result = ToThisValue(context, receiver, PrimitiveType::kSymbol,
      52          56 :                              "Symbol.prototype.valueOf");
      53          56 :   Return(result);
      54          56 : }
      55             : 
      56             : }  // namespace internal
      57       94089 : }  // namespace v8