tor-browser

The Tor Browser
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gen-meth-static-dflt-ary-ptrn-elem-obj-val-null.js (2937B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-elem-obj-val-null.case
      3 // - src/dstr-binding/error/cls-decl-gen-meth-static-dflt.template
      4 /*---
      5 description: Nested object destructuring with a null value (static class expression generator method (default parameter))
      6 esid: sec-runtime-semantics-bindingclassdeclarationevaluation
      7 features: [generators, destructuring-binding, default-parameters]
      8 flags: [generated]
      9 info: |
     10    ClassDeclaration : class BindingIdentifier ClassTail
     11 
     12    1. Let className be StringValue of BindingIdentifier.
     13    2. Let value be the result of ClassDefinitionEvaluation of ClassTail with
     14       argument className.
     15    [...]
     16 
     17    14.5.14 Runtime Semantics: ClassDefinitionEvaluation
     18 
     19    21. For each ClassElement m in order from methods
     20        a. If IsStatic of m is false, then
     21        b. Else,
     22           Let status be the result of performing PropertyDefinitionEvaluation for
     23           m with arguments F and false.
     24    [...]
     25 
     26    14.4.13 Runtime Semantics: PropertyDefinitionEvaluation
     27 
     28    GeneratorMethod : * PropertyName ( StrictFormalParameters ) { GeneratorBody }
     29 
     30    1. Let propKey be the result of evaluating PropertyName.
     31    2. ReturnIfAbrupt(propKey).
     32    3. If the function code for this GeneratorMethod is strict mode code,
     33       let strict be true. Otherwise let strict be false.
     34    4. Let scope be the running execution context's LexicalEnvironment.
     35    5. Let closure be GeneratorFunctionCreate(Method,
     36       StrictFormalParameters, GeneratorBody, scope, strict).
     37 
     38    9.2.1 [[Call]] ( thisArgument, argumentsList)
     39 
     40    [...]
     41    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     42    [...]
     43 
     44    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     45 
     46    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     47    [...]
     48 
     49    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     50 
     51    [...]
     52    23. Let iteratorRecord be Record {[[iterator]]:
     53        CreateListIterator(argumentsList), [[done]]: false}.
     54    24. If hasDuplicates is true, then
     55        [...]
     56    25. Else,
     57        b. Let formalStatus be IteratorBindingInitialization for formals with
     58           iteratorRecord and env as arguments.
     59    [...]
     60 
     61    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     62 
     63    BindingElement : BindingPattern Initializeropt
     64 
     65    1. If iteratorRecord.[[done]] is false, then
     66       [...]
     67       e. Else
     68          i. Let v be IteratorValue(next).
     69          [...]
     70    4. Return the result of performing BindingInitialization of BindingPattern
     71       with v and environment as the arguments.
     72 
     73    13.3.3.5 Runtime Semantics: BindingInitialization
     74 
     75    BindingPattern : ObjectBindingPattern
     76 
     77    1. Let valid be RequireObjectCoercible(value).
     78    2. ReturnIfAbrupt(valid).
     79 ---*/
     80 
     81 class C {
     82  static *method([{ x }] = [null]) {}
     83 };
     84 
     85 assert.throws(TypeError, function() {
     86  C.method();
     87 });
     88 
     89 reportCompare(0, 0);