tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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dflt-params-ref-prior.js (2098B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/function-forms/dflt-params-ref-prior.case
      3 // - src/function-forms/default/arrow-function.template
      4 /*---
      5 description: Referencing a parameter that occurs earlier in the ParameterList (arrow function expression)
      6 esid: sec-arrow-function-definitions-runtime-semantics-evaluation
      7 features: [default-parameters]
      8 flags: [generated]
      9 info: |
     10    ArrowFunction : ArrowParameters => ConciseBody
     11 
     12    [...]
     13    4. Let closure be FunctionCreate(Arrow, parameters, ConciseBody, scope, strict).
     14    [...]
     15 
     16    9.2.1 [[Call]] ( thisArgument, argumentsList)
     17 
     18    [...]
     19    7. Let result be OrdinaryCallEvaluateBody(F, argumentsList).
     20    [...]
     21 
     22    9.2.1.3 OrdinaryCallEvaluateBody ( F, argumentsList )
     23 
     24    1. Let status be FunctionDeclarationInstantiation(F, argumentsList).
     25    [...]
     26 
     27    9.2.12 FunctionDeclarationInstantiation(func, argumentsList)
     28 
     29    [...]
     30    23. Let iteratorRecord be Record {[[iterator]]:
     31        CreateListIterator(argumentsList), [[done]]: false}.
     32    24. If hasDuplicates is true, then
     33        [...]
     34    25. Else,
     35        b. Let formalStatus be IteratorBindingInitialization for formals with
     36           iteratorRecord and env as arguments.
     37    [...]
     38 
     39    14.1.19 Runtime Semantics: IteratorBindingInitialization
     40 
     41    FormalsList : FormalsList , FormalParameter
     42 
     43    1. Let status be the result of performing IteratorBindingInitialization for
     44       FormalsList using iteratorRecord and environment as the arguments.
     45    2. ReturnIfAbrupt(status).
     46    3. Return the result of performing IteratorBindingInitialization for
     47       FormalParameter using iteratorRecord and environment as the arguments.
     48 
     49 ---*/
     50 var x = 0;
     51 
     52 var callCount = 0;
     53 // Stores a reference `ref` for case evaluation
     54 var ref;
     55 ref = (x, y = x, z = y) => {
     56  assert.sameValue(x, 3, 'first argument value');
     57  assert.sameValue(y, 3, 'second argument value');
     58  assert.sameValue(z, 3, 'third argument value');
     59  callCount = callCount + 1;
     60 };
     61 
     62 ref(3);
     63 assert.sameValue(callCount, 1, 'arrow function invoked exactly once');
     64 
     65 reportCompare(0, 0);