left-hand-side-private-reference-readonly-accessor-property-rshift.js (1838B)
1 // This file was procedurally generated from the following sources: 2 // - src/compound-assignment-private/rshift.case 3 // - src/compound-assignment-private/default/getter.template 4 /*--- 5 description: Compound right-shift assignment with target being a private reference (to an accessor property with getter) 6 esid: sec-assignment-operators-runtime-semantics-evaluation 7 features: [class-fields-private] 8 flags: [generated] 9 info: | 10 sec-assignment-operators-runtime-semantics-evaluation 11 AssignmentExpression : LeftHandSideExpression AssignmentOperator AssignmentExpression 12 1. Let _lref_ be the result of evaluating |LeftHandSideExpression|. 13 2. Let _lval_ be ? GetValue(_lref_). 14 ... 15 7. Let _r_ be ApplyStringOrNumericBinaryOperator(_lval_, _opText_, _rval_). 16 8. Perform ? PutValue(_lref_, _r_). 17 9. Return _r_. 18 19 sec-property-accessors-runtime-semantics-evaluation 20 MemberExpression : MemberExpression `.` PrivateIdentifier 21 22 1. Let _baseReference_ be the result of evaluating |MemberExpression|. 23 2. Let _baseValue_ be ? GetValue(_baseReference_). 24 3. Let _fieldNameString_ be the StringValue of |PrivateIdentifier|. 25 4. Return ! MakePrivateReference(_baseValue_, _fieldNameString_). 26 27 PutValue (V, W) 28 ... 29 5.b. If IsPrivateReference(_V_) is *true*, then 30 i. Return ? PrivateSet(_baseObj_, _V_.[[ReferencedName]], _W_). 31 32 PrivateSet (O, P, value) 33 ... 34 5.a. Assert: _entry_.[[Kind]] is ~accessor~. 35 b. If _entry_.[[Set]] is *undefined*, throw a *TypeError* exception. 36 37 ---*/ 38 39 40 class C { 41 get #field() { 42 return 1; 43 } 44 compoundAssignment() { 45 return this.#field >>>= 1; 46 } 47 } 48 49 const o = new C(); 50 assert.throws(TypeError, () => o.compoundAssignment(), "PutValue throws when storing the result if no setter"); 51 52 reportCompare(0, 0);