66     // 1.Let s be the this value.  in ToString()
68     // 2.If Type(s) is Symbol, let sym be s.  in ToString()
74                 // If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ToString()
77             // Let sym be the value of s's [[SymbolData]] internal slot.  in ToString()
82             // If Type(s) is not Object, throw a TypeError exception.  in ToString()
83 …      THROW_TYPE_ERROR_AND_RETURN(thread, "ToString: s is not Object", JSTaggedValue::Exception());  in ToString()
97     // Let desc be sym’s [[Description]] value.  in SymbolDescriptiveString()
127     // Let s be the this value.  in ValueOf()
129     // If Type(s) is Symbol, return s.  in ValueOf()
133     // If Type(s) is not Object, throw a TypeError exception.  in ValueOf()
136         THROW_TYPE_ERROR_AND_RETURN(thread, "ValueOf: s is not Object", JSTaggedValue::Exception());  in ValueOf()
138     // If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ValueOf()
140         // If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ValueOf()
145     // Return the value of s's [[SymbolData]] internal slot.  in ValueOf()
207     // 1.Let s be the this value.  in ToPrimitive()
209     // 2.If Type(s) is Symbol, return s.  in ToPrimitive()
213     // 3.If Type(s) is not Object, throw a TypeError exception.  in ToPrimitive()
216 …   THROW_TYPE_ERROR_AND_RETURN(thread, "ToPrimitive: s is not Object", JSTaggedValue::Exception());  in ToPrimitive()
219     // 4.If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ToPrimitive()
220     // 5.Return the value of s's [[SymbolData]] internal slot.  in ToPrimitive()
222         // If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ToPrimitive()
225     // Let sym be the value of s's [[SymbolData]] internal slot.  in ToPrimitive()
235     // 1.Let s be the this value.  in DescriptionGetter()
238     JSHandle<JSTaggedValue> s = GetThis(argv);  in DescriptionGetter()  local
239     // 2.Let sym be ? thisSymbolValue(s).  in DescriptionGetter()
241     return ThisSymbolValue(thread, s);  in DescriptionGetter()
252     // If s does not have a [[SymbolData]] internal slot, throw a TypeError exception.  in ThisSymbolValue()
256             // Return the value of s's [[SymbolData]] internal slot.  in ThisSymbolValue()