mirror of https://github.com/tc39/test262.git
62 lines
1.9 KiB
JavaScript
62 lines
1.9 KiB
JavaScript
|
// This file was procedurally generated from the following sources:
|
||
|
|
// - src/dstr-binding/obj-ptrn-prop-id-init-unresolvable.case
|
||
|
|
// - src/dstr-binding/error/for-of-let.template
|
||
|
|
/*---
|
||
|
|
description: Destructuring initializer is an unresolvable reference (for-of statement)
|
||
|
|
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||
|
|
es6id: 13.7.5.11
|
||
|
|
features: [destructuring-binding]
|
||
|
|
flags: [generated]
|
||
|
|
info: |
|
||
|
|
IterationStatement :
|
||
|
|
for ( ForDeclaration of AssignmentExpression ) Statement
|
||
|
|
|
||
|
|
[...]
|
||
|
|
3. Return ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||
|
|
lexicalBinding, labelSet).
|
||
|
|
|
||
|
|
13.7.5.13 Runtime Semantics: ForIn/OfBodyEvaluation
|
||
|
|
|
||
|
|
[...]
|
||
|
|
3. Let destructuring be IsDestructuring of lhs.
|
||
|
|
[...]
|
||
|
|
5. Repeat
|
||
|
|
[...]
|
||
|
|
h. If destructuring is false, then
|
||
|
|
[...]
|
||
|
|
i. Else
|
||
|
|
i. If lhsKind is assignment, then
|
||
|
|
[...]
|
||
|
|
ii. Else if lhsKind is varBinding, then
|
||
|
|
[...]
|
||
|
|
iii. Else,
|
||
|
|
1. Assert: lhsKind is lexicalBinding.
|
||
|
|
2. Assert: lhs is a ForDeclaration.
|
||
|
|
3. Let status be the result of performing BindingInitialization
|
||
|
|
for lhs passing nextValue and iterationEnv as arguments.
|
||
|
|
[...]
|
||
|
|
|
||
|
|
13.3.3.7 Runtime Semantics: KeyedBindingInitialization
|
||
|
|
|
||
|
|
BindingElement : BindingPattern Initializeropt
|
||
|
|
|
||
|
|
[...]
|
||
|
|
3. If Initializer is present and v is undefined, then
|
||
|
|
a. Let defaultValue be the result of evaluating Initializer.
|
||
|
|
b. Let v be GetValue(defaultValue).
|
||
|
|
c. ReturnIfAbrupt(v).
|
||
|
|
|
||
|
|
6.2.3.1 GetValue (V)
|
||
|
|
|
||
|
|
1. ReturnIfAbrupt(V).
|
||
|
|
2. If Type(V) is not Reference, return V.
|
||
|
|
3. Let base be GetBase(V).
|
||
|
|
4. If IsUnresolvableReference(V), throw a ReferenceError exception.
|
||
|
|
---*/
|
||
|
|
|
||
|
|
assert.throws(ReferenceError, function() {
|
||
|
|
for (let { x: y = unresolvableReference } of [{}]) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
});
|