tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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var-ary-ptrn-elem-id-init-fn-name-gen.js (2013B)

      1 // This file was procedurally generated from the following sources:
      2 // - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
      3 // - src/dstr-binding/default/for-var.template
      4 /*---
      5 description: SingleNameBinding assigns name to "anonymous" generator functions (for statement)
      6 esid: sec-for-statement-runtime-semantics-labelledevaluation
      7 features: [generators, destructuring-binding]
      8 flags: [generated]
      9 info: |
     10    IterationStatement :
     11        for ( var VariableDeclarationList ; Expressionopt ; Expressionopt ) Statement
     12 
     13    1. Let varDcl be the result of evaluating VariableDeclarationList.
     14    [...]
     15 
     16    13.3.2.4 Runtime Semantics: Evaluation
     17 
     18    VariableDeclarationList : VariableDeclarationList , VariableDeclaration
     19 
     20    1. Let next be the result of evaluating VariableDeclarationList.
     21    2. ReturnIfAbrupt(next).
     22    3. Return the result of evaluating VariableDeclaration.
     23 
     24    VariableDeclaration : BindingPattern Initializer
     25 
     26    1. Let rhs be the result of evaluating Initializer.
     27    2. Let rval be GetValue(rhs).
     28    3. ReturnIfAbrupt(rval).
     29    4. Return the result of performing BindingInitialization for BindingPattern
     30       passing rval and undefined as arguments.
     31 
     32    13.3.3.6 Runtime Semantics: IteratorBindingInitialization
     33 
     34    SingleNameBinding : BindingIdentifier Initializeropt
     35 
     36    [...]
     37    6. If Initializer is present and v is undefined, then
     38       a. Let defaultValue be the result of evaluating Initializer.
     39       b. Let v be GetValue(defaultValue).
     40       c. ReturnIfAbrupt(v).
     41       d. If IsAnonymousFunctionDefinition(Initializer) is true, then
     42          [...]
     43    7. If environment is undefined, return PutValue(lhs, v).
     44    8. Return InitializeReferencedBinding(lhs, v).
     45 
     46 ---*/
     47 
     48 var iterCount = 0;
     49 
     50 for (var [gen = function* () {}, xGen = function* x() {}] = []; iterCount < 1; ) {
     51  assert.sameValue(gen.name, 'gen');
     52  assert.notSameValue(xGen.name, 'xGen');
     53  iterCount += 1;
     54 }
     55 
     56 assert.sameValue(iterCount, 1, 'Iteration occurred as expected');
     57 
     58 reportCompare(0, 0);