100     return PreParserExpression(TypeField::encode(kExpression), variables);
124         return PreParserExpression(TypeField::encode(kExpression),  in BinaryOperation()
132       return PreParserExpression(TypeField::encode(kExpression),  in BinaryOperation()
135     return PreParserExpression(TypeField::encode(kExpression));  in BinaryOperation()
139     return PreParserExpression(TypeField::encode(kExpression) |  in Assignment()
175     return PreParserExpression(TypeField::encode(kExpression) |  in This()
181     return PreParserExpression(TypeField::encode(kExpression) |  in ThisPropertyWithPrivateFieldKey()
188         TypeField::encode(kExpression) |  in ThisProperty()
194         TypeField::encode(kExpression) |  in Property()
200         TypeField::encode(kExpression) |  in PropertyWithPrivateFieldKey()
205     return PreParserExpression(TypeField::encode(kExpression) |  in Call()
211         TypeField::encode(kExpression) |  in CallEval()
217         TypeField::encode(kExpression) |  in CallTaggedTemplate()
228         TypeField::encode(kExpression) |  in SuperCallReference()
244     return TypeField::decode(code_) == kExpression &&  in IsAssignment()
271     return TypeField::decode(code_) == kExpression &&  in IsThis()
276     return TypeField::decode(code_) == kExpression &&  in IsThisProperty()
283     return TypeField::decode(code_) == kExpression &&  in IsProperty()
293     return TypeField::decode(code_) == kExpression &&  in IsPropertyWithPrivateFieldKey()
301     return TypeField::decode(code_) == kExpression &&  in IsCall()
313     return TypeField::decode(code_) == kExpression &&  in IsSuperCallReference()
356     kExpression,  enumerator