tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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ary-ptrn-rest-ary-elem.js (2679B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-rest-ary-elem.case
      3 // - src/dstr-binding/default/func-expr.template
      4 /*---
      5 description: Rest element containing an array BindingElementList pattern (function expression)
      6 esid: sec-function-definitions-runtime-semantics-evaluation
      7 features: [destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    FunctionExpression : function ( FormalParameters ) { FunctionBody }
     11 
     12        [...]
     13        3. Let closure be FunctionCreate(Normal, FormalParameters, FunctionBody,
     14           scope, strict).
     15        [...]
     16 
     17    9.2.1 [[Call]] ( thisArgument, argumentsList)
     18 
     19    [...]
     20    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     21    [...]
     22 
     23    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     24 
     25    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     26    [...]
     27 
     28    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     29 
     30    [...]
     31    23. Let iteratorRecord be Record {[[iterator]]:
     32        CreateListIterator(argumentsList), [[done]]: false}.
     33    24. If hasDuplicates is true, then
     34        [...]
     35    25. Else,
     36        b. Let formalStatus be IteratorBindingInitialization for formals with
     37           iteratorRecord and env as arguments.
     38    [...]
     39 
     40    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     41 
     42    BindingRestElement : ... BindingPattern
     43 
     44    1. Let A be ArrayCreate(0).
     45    [...]
     46    3. Repeat
     47       [...]
     48       b. If iteratorRecord.[[done]] is true, then
     49          i. Return the result of performing BindingInitialization of
     50             BindingPattern with A and environment as the arguments.
     51       [...]
     52 
     53    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     54 
     55    SingleNameBinding : BindingIdentifier Initializeropt
     56 
     57    [...]
     58    4. If iteratorRecord.[[done]] is false, then
     59       a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
     60       b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
     61       c. ReturnIfAbrupt(next).
     62       d. If next is false, set iteratorRecord.[[done]] to true.
     63       e. Else,
     64          [...]
     65          i. Let v be IteratorValue(next).
     66          ii. If v is an abrupt completion, set
     67              iteratorRecord.[[done]] to true.
     68          iii. ReturnIfAbrupt(v).
     69    5. If iteratorRecord.[[done]] is true, let v be undefined.
     70    [...]
     71    8. Return InitializeReferencedBinding(lhs, v).
     72 ---*/
     73 
     74 var callCount = 0;
     75 var f;
     76 f = function([...[x, y, z]]) {
     77  assert.sameValue(x, 3);
     78  assert.sameValue(y, 4);
     79  assert.sameValue(z, 5);
     80  callCount = callCount + 1;
     81 };
     82 
     83 f([3, 4, 5]);
     84 assert.sameValue(callCount, 1, 'function invoked exactly once');
     85 
     86 reportCompare(0, 0);