| // This file was procedurally generated from the following sources: |
| // - src/dstr-binding/ary-ptrn-elem-obj-val-null.case |
| // - src/dstr-binding/error/for-const.template |
| /*--- |
| description: Nested object destructuring with a null value (for statement) |
| esid: sec-for-statement-runtime-semantics-labelledevaluation |
| es6id: 13.7.4.7 |
| features: [destructuring-binding] |
| flags: [generated] |
| info: | |
| IterationStatement : |
| for ( LexicalDeclaration Expressionopt ; Expressionopt ) Statement |
| |
| [...] |
| 7. Let forDcl be the result of evaluating LexicalDeclaration. |
| [...] |
| |
| LexicalDeclaration : LetOrConst BindingList ; |
| |
| 1. Let next be the result of evaluating BindingList. |
| 2. ReturnIfAbrupt(next). |
| 3. Return NormalCompletion(empty). |
| |
| BindingList : BindingList , LexicalBinding |
| |
| 1. Let next be the result of evaluating BindingList. |
| 2. ReturnIfAbrupt(next). |
| 3. Return the result of evaluating LexicalBinding. |
| |
| LexicalBinding : BindingPattern Initializer |
| |
| 1. Let rhs be the result of evaluating Initializer. |
| 2. Let value be GetValue(rhs). |
| 3. ReturnIfAbrupt(value). |
| 4. Let env be the running execution context’s LexicalEnvironment. |
| 5. Return the result of performing BindingInitialization for BindingPattern |
| using value and env as the arguments. |
| |
| 13.3.3.6 Runtime Semantics: IteratorBindingInitialization |
| |
| BindingElement : BindingPattern Initializeropt |
| |
| 1. If iteratorRecord.[[done]] is false, then |
| [...] |
| e. Else |
| i. Let v be IteratorValue(next). |
| [...] |
| 4. Return the result of performing BindingInitialization of BindingPattern |
| with v and environment as the arguments. |
| |
| 13.3.3.5 Runtime Semantics: BindingInitialization |
| |
| BindingPattern : ObjectBindingPattern |
| |
| 1. Let valid be RequireObjectCoercible(value). |
| 2. ReturnIfAbrupt(valid). |
| ---*/ |
| |
| assert.throws(TypeError, function() { |
| for (const [{ x }] = [null]; ; ) { |
| return; |
| } |
| }); |