mirror of https://github.com/tc39/test262.git
Merge pull request #1010 from rwaldron/dstr-binding_for-await-of
for-await-of: dstr-binding templates
This commit is contained in:
Leo Balter
GitHub
commit
7bb4cd8f41
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@ -0,0 +1,51 @@
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// Copyright (C) 2017 the V8 project authors. All rights reserved.
|
||||
// This code is governed by the BSD license found in the LICENSE file.
|
||||
/*---
|
||||
path: language/statements/for-await-of/dstr-const-
|
||||
name: for-await-of statement
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const /*{ elems }*/ of [/*{ vals }*/]) {
|
||||
/*{ body }*/
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
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.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
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||||
|
|
@ -0,0 +1,51 @@
|
|||
// Copyright (C) 2017 the V8 project authors. All rights reserved.
|
||||
// This code is governed by the BSD license found in the LICENSE file.
|
||||
/*---
|
||||
path: language/statements/for-await-of/dstr-let-
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||||
name: for-await-of statement
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||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let /*{ elems }*/ of [/*{ vals }*/]) {
|
||||
/*{ body }*/
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,49 @@
|
|||
// Copyright (C) 2017 the V8 project authors. All rights reserved.
|
||||
// This code is governed by the BSD license found in the LICENSE file.
|
||||
/*---
|
||||
path: language/statements/for-await-of/dstr-var-
|
||||
name: for-await-of statement
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( var ForBinding of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForBinding, Statement, keyResult,
|
||||
varBinding, labelSet, async).
|
||||
|
||||
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
|
||||
1. Assert: lhs is a ForBinding.
|
||||
2. Let status be the result of performing BindingInitialization
|
||||
for lhs passing nextValue and undefined as the arguments.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (var /*{ elems }*/ of [/*{ vals }*/]) {
|
||||
/*{ body }*/
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
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|
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|
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@ -0,0 +1,74 @@
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// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-init-iter-close.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Iterator is closed when not exhausted by pattern evaluation (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [Symbol.iterator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.5 Runtime Semantics: BindingInitialization
|
||||
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
|
||||
result).
|
||||
[...]
|
||||
|
||||
---*/
|
||||
var doneCallCount = 0;
|
||||
var iter = {};
|
||||
iter[Symbol.iterator] = function() {
|
||||
return {
|
||||
next: function() {
|
||||
return { value: null, done: false };
|
||||
},
|
||||
return: function() {
|
||||
doneCallCount += 1;
|
||||
return {};
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x] of [iter]) {
|
||||
assert.sameValue(doneCallCount, 1);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-init-iter-no-close.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Iterator is not closed when exhausted by pattern evaluation (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [Symbol.iterator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.5 Runtime Semantics: BindingInitialization
|
||||
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
|
||||
result).
|
||||
[...]
|
||||
|
||||
---*/
|
||||
var doneCallCount = 0;
|
||||
var iter = {};
|
||||
iter[Symbol.iterator] = function() {
|
||||
return {
|
||||
next: function() {
|
||||
return { value: null, done: true };
|
||||
},
|
||||
return: function() {
|
||||
doneCallCount += 1;
|
||||
return {};
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x] of [iter]) {
|
||||
assert.sameValue(doneCallCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-name-iter-val.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding with normal value iteration (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
i. Let v be IteratorValue(next).
|
||||
ii. If v is an abrupt completion, set
|
||||
iteratorRecord.[[done]] to true.
|
||||
iii. ReturnIfAbrupt(v).
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x, y, z] of [[1, 2, 3]]) {
|
||||
assert.sameValue(x, 1);
|
||||
assert.sameValue(y, 2);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[x, y, z] = [4, 5, 6]] of [[]]) {
|
||||
assert.sameValue(x, 4);
|
||||
assert.sameValue(y, 5);
|
||||
assert.sameValue(z, 6);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[x, y, z] = [4, 5, 6]] of [[[7, 8, 9]]]) {
|
||||
assert.sameValue(x, 7);
|
||||
assert.sameValue(y, 8);
|
||||
assert.sameValue(z, 9);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
|
||||
---*/
|
||||
var first = 0;
|
||||
var second = 0;
|
||||
function* g() {
|
||||
first += 1;
|
||||
yield;
|
||||
second += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[,] = g()] of [[]]) {
|
||||
assert.sameValue(first, 1);
|
||||
assert.sameValue(second, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
|
||||
---*/
|
||||
var callCount = 0;
|
||||
function* g() {
|
||||
callCount += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[,] = g()] of [[[]]]) {
|
||||
assert.sameValue(callCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var initCount = 0;
|
||||
var iterCount = 0;
|
||||
var iter = function*() { iterCount += 1; }();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[] = function() { initCount += 1; return iter; }()] of [[]]) {
|
||||
assert.sameValue(initCount, 1);
|
||||
assert.sameValue(iterCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var initCount = 0;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[] = function() { initCount += 1; }()] of [[[23]]]) {
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var values = [2, 1, 3];
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[...x] = values] of [[]]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x[0], 2);
|
||||
assert.sameValue(x[1], 1);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.notSameValue(x, values);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var values = [2, 1, 3];
|
||||
var initCount = 0;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [[...x] = function() { initCount += 1; }()] of [[values]]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x[0], 2);
|
||||
assert.sameValue(x[1], 1);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.notSameValue(x, values);
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer with an exhausted iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x = 23] of [[]]) {
|
||||
assert.sameValue(x, 23);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding does assign name to arrow functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [arrow = () => {}] of [[]]) {
|
||||
assert.sameValue(arrow.name, 'arrow');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns `name` to "anonymous" classes (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] of [[]]) {
|
||||
assert.sameValue(cls.name, 'cls');
|
||||
assert.notSameValue(xCls.name, 'xCls');
|
||||
assert.notSameValue(xCls2.name, 'xCls2');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [cover = (function () {}), xCover = (0, function() {})] of [[]]) {
|
||||
assert.sameValue(cover.name, 'cover');
|
||||
assert.notSameValue(xCover.name, 'xCover');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [fn = function () {}, xFn = function x() {}] of [[]]) {
|
||||
assert.sameValue(fn.name, 'fn');
|
||||
assert.notSameValue(xFn.name, 'xFn');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" generator functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [gen = function* () {}, xGen = function* x() {}] of [[]]) {
|
||||
assert.sameValue(gen.name, 'gen');
|
||||
assert.notSameValue(xGen.name, 'xGen');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer with a "hole" (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
[...] 6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x = 23] of [[,]]) {
|
||||
assert.sameValue(x, 23);
|
||||
// another statement
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer is not evaluated when value is not `undefined` (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
var initCount = 0;
|
||||
function counter() {
|
||||
initCount += 1;
|
||||
}
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [w = counter(), x = counter(), y = counter(), z = counter()] of [[null, 0, false, '']]) {
|
||||
assert.sameValue(w, null);
|
||||
assert.sameValue(x, 0);
|
||||
assert.sameValue(y, false);
|
||||
assert.sameValue(z, '');
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer with an undefined value (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x = 23] of [[undefined]]) {
|
||||
assert.sameValue(x, 23);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration completes (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x] of [[]]) {
|
||||
assert.sameValue(x, undefined);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration was completed previously (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [_, x] of [[]]) {
|
||||
assert.sameValue(x, undefined);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration was completed previously (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
i. Let v be IteratorValue(next).
|
||||
ii. If v is an abrupt completion, set
|
||||
iteratorRecord.[[done]] to true.
|
||||
iii. ReturnIfAbrupt(v).
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [x, y, z] of [[1, 2, 3]]) {
|
||||
assert.sameValue(x, 1);
|
||||
assert.sameValue(y, 2);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [{ x, y, z } = { x: 44, y: 55, z: 66 }] of [[]]) {
|
||||
assert.sameValue(x, 44);
|
||||
assert.sameValue(y, 55);
|
||||
assert.sameValue(z, 66);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [{ x, y, z } = { x: 44, y: 55, z: 66 }] of [[{ x: 11, y: 22, z: 33 }]]) {
|
||||
assert.sameValue(x, 11);
|
||||
assert.sameValue(y, 22);
|
||||
assert.sameValue(z, 33);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] of [[]]) {
|
||||
assert.sameValue(v, 444);
|
||||
assert.sameValue(x, 555);
|
||||
assert.sameValue(z, 666);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
u;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
y;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] of [[{ u: 777, w: 888, y: 999 }]]) {
|
||||
assert.sameValue(v, 777);
|
||||
assert.sameValue(x, 888);
|
||||
assert.sameValue(z, 999);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
u;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
y;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,70 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elision-exhausted.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Elision accepts exhausted iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ Elision ]
|
||||
|
||||
1. Return the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
|
||||
as the argument.
|
||||
|
||||
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
|
||||
|
||||
Elision : ,
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
[...]
|
||||
2. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var iter = function*() {}();
|
||||
iter.next();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [,] of [iter]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elision.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Elision advances iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ Elision ]
|
||||
|
||||
1. Return the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
|
||||
as the argument.
|
||||
|
||||
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
|
||||
|
||||
Elision : ,
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
2. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var first = 0;
|
||||
var second = 0;
|
||||
function* g() {
|
||||
first += 1;
|
||||
yield;
|
||||
second += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [,] of [g()]) {
|
||||
assert.sameValue(first, 1);
|
||||
assert.sameValue(second, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-empty.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: No iteration occurs for an "empty" array binding pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ ]
|
||||
|
||||
1. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var iterations = 0;
|
||||
var iter = function*() {
|
||||
iterations += 1;
|
||||
}();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [] of [iter]) {
|
||||
assert.sameValue(iterations, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,86 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-ary-elem.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing an array BindingElementList pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
i. Let v be IteratorValue(next).
|
||||
ii. If v is an abrupt completion, set
|
||||
iteratorRecord.[[done]] to true.
|
||||
iii. ReturnIfAbrupt(v).
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[x, y, z]] of [[3, 4, 5]]) {
|
||||
assert.sameValue(x, 3);
|
||||
assert.sameValue(y, 4);
|
||||
assert.sameValue(z, 5);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,92 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-ary-elision.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing an elision (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ Elision ]
|
||||
|
||||
1. Return the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
|
||||
as the argument.
|
||||
|
||||
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
|
||||
|
||||
Elision : ,
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
2. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var first = 0;
|
||||
var second = 0;
|
||||
function* g() {
|
||||
first += 1;
|
||||
yield;
|
||||
second += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[,]] of [g()]) {
|
||||
assert.sameValue(first, 1);
|
||||
assert.sameValue(second, 1);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-ary-empty.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing an "empty" array pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ ]
|
||||
|
||||
1. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var iterations = 0;
|
||||
var iter = function*() {
|
||||
iterations += 1;
|
||||
}();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[]] of [iter]) {
|
||||
assert.sameValue(iterations, 1);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-ary-rest.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing a rest element (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
---*/
|
||||
var values = [1, 2, 3];
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[...x]] of [values]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.sameValue(x[0], 1);
|
||||
assert.sameValue(x[1], 2);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.notSameValue(x, values);
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-id-elision.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element following elision elements (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
ArrayBindingPattern : [ Elisionopt BindingRestElement ]
|
||||
1. If Elision is present, then
|
||||
a. Let status be the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with
|
||||
iteratorRecord as the argument.
|
||||
b. ReturnIfAbrupt(status).
|
||||
2. Return the result of performing IteratorBindingInitialization for
|
||||
BindingRestElement with iteratorRecord and environment as arguments.
|
||||
---*/
|
||||
var values = [1, 2, 3, 4, 5];
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [ , , ...x] of [values]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.sameValue(x[0], 3);
|
||||
assert.sameValue(x[1], 4);
|
||||
assert.sameValue(x[2], 5);
|
||||
assert.notSameValue(x, values);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-id-exhausted.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: RestElement applied to an exhausted iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [Symbol.iterator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
BindingRestElement : ... BindingIdentifier
|
||||
1. Let lhs be ResolveBinding(StringValue of BindingIdentifier,
|
||||
environment).
|
||||
2. ReturnIfAbrupt(lhs). 3. Let A be ArrayCreate(0). 4. Let n=0. 5. Repeat,
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. If environment is undefined, return PutValue(lhs, A).
|
||||
ii. Return InitializeReferencedBinding(lhs, A).
|
||||
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [, , ...x] of [[1, 2]]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x.length, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Lone rest element (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
BindingRestElement : ... BindingIdentifier
|
||||
[...] 3. Let A be ArrayCreate(0). [...] 5. Repeat
|
||||
[...]
|
||||
f. Let status be CreateDataProperty(A, ToString (n), nextValue).
|
||||
[...]
|
||||
---*/
|
||||
var values = [1, 2, 3];
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...x] of [values]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.sameValue(x[0], 1);
|
||||
assert.sameValue(x[1], 2);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.notSameValue(x, values);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-init-ary.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Reset element (nested array pattern) does not support initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[ x ] = []] of [[]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-init-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Reset element (identifier) does not support initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...x = []] of [[]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-init-obj.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Reset element (nested object pattern) does not support initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...{ x } = []] of [[]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-not-final-ary.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element (array binding pattern) may not be followed by any element (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...[x], y] of [[1, 2, 3]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-not-final-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element (identifier) may not be followed by any element (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...x, y] of [[1, 2, 3]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-not-final-obj.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element (object binding pattern) may not be followed by any element (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
negative:
|
||||
phase: early
|
||||
type: SyntaxError
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
ArrayBindingPattern[Yield] :
|
||||
[ Elisionopt BindingRestElement[?Yield]opt ]
|
||||
[ BindingElementList[?Yield] ]
|
||||
[ BindingElementList[?Yield] , Elisionopt BindingRestElement[?Yield]opt ]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...{ x }, y] of [[1, 2, 3]]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-obj-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing an object binding pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...{ length }] of [[1, 2, 3]]) {
|
||||
assert.sameValue(length, 3);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-rest-obj-prop-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest element containing an object binding pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingRestElement : ... BindingPattern
|
||||
|
||||
1. Let A be ArrayCreate(0).
|
||||
[...]
|
||||
3. Repeat
|
||||
[...]
|
||||
b. If iteratorRecord.[[done]] is true, then
|
||||
i. Return the result of performing BindingInitialization of
|
||||
BindingPattern with A and environment as the arguments.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const [...{ 0: v, 1: w, 2: x, 3: y, length: z }] of [[7, 8, 9]]) {
|
||||
assert.sameValue(v, 7);
|
||||
assert.sameValue(w, 8);
|
||||
assert.sameValue(x, 9);
|
||||
assert.sameValue(y, undefined);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
length;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-empty.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: No property access occurs for an "empty" object binding pattern (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
Runtime Semantics: BindingInitialization
|
||||
|
||||
ObjectBindingPattern : { }
|
||||
|
||||
1. Return NormalCompletion(empty).
|
||||
---*/
|
||||
var accessCount = 0;
|
||||
var obj = Object.defineProperty({}, 'attr', {
|
||||
get: function() {
|
||||
accessCount += 1;
|
||||
}
|
||||
});
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {} of [obj]) {
|
||||
assert.sameValue(accessCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-fn-name-arrow.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns `name` to arrow functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
||||
ii. ReturnIfAbrupt(hasNameProperty).
|
||||
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
||||
bindingId).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { arrow = () => {} } of [{}]) {
|
||||
assert.sameValue(arrow.name, 'arrow');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-fn-name-class.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns `name` to "anonymous" classes (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
||||
ii. ReturnIfAbrupt(hasNameProperty).
|
||||
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
||||
bindingId).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { cls = class {}, xCls = class X {}, xCls2 = class { static name() {} } } of [{}]) {
|
||||
assert.sameValue(cls.name, 'cls');
|
||||
assert.notSameValue(xCls.name, 'xCls');
|
||||
assert.notSameValue(xCls2.name, 'xCls2');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-fn-name-cover.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns `name` to "anonymous" functions "through" cover grammar (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
||||
ii. ReturnIfAbrupt(hasNameProperty).
|
||||
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
||||
bindingId).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { cover = (function () {}), xCover = (0, function() {}) } of [{}]) {
|
||||
assert.sameValue(cover.name, 'cover');
|
||||
assert.notSameValue(xCover.name, 'xCover');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-fn-name-fn.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
||||
ii. ReturnIfAbrupt(hasNameProperty).
|
||||
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
||||
bindingId).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { fn = function () {}, xFn = function x() {} } of [{}]) {
|
||||
assert.sameValue(fn.name, 'fn');
|
||||
assert.notSameValue(xFn.name, 'xFn');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-fn-name-gen.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" generator functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
i. Let hasNameProperty be HasOwnProperty(v, "name").
|
||||
ii. ReturnIfAbrupt(hasNameProperty).
|
||||
iii. If hasNameProperty is false, perform SetFunctionName(v,
|
||||
bindingId).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { gen = function* () {}, xGen = function* x() {} } of [{}]) {
|
||||
assert.sameValue(gen.name, 'gen');
|
||||
assert.notSameValue(xGen.name, 'xGen');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,68 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-init-skipped.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer is not evaluated when value is not `undefined` (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
[...]
|
||||
---*/
|
||||
var initCount = 0;
|
||||
function counter() {
|
||||
initCount += 1;
|
||||
}
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { w = counter(), x = counter(), y = counter(), z = counter() } of [{ w: null, x: 0, y: false, z: '' }]) {
|
||||
assert.sameValue(w, null);
|
||||
assert.sameValue(x, 0);
|
||||
assert.sameValue(y, false);
|
||||
assert.sameValue(z, '');
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-id-trailing-comma.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Trailing comma is allowed following BindingPropertyList (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
|
||||
ObjectBindingPattern[Yield] :
|
||||
{ }
|
||||
{ BindingPropertyList[?Yield] }
|
||||
{ BindingPropertyList[?Yield] , }
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x, } of [{ x: 23 }]) {
|
||||
assert.sameValue(x, 23);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-ary-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Object binding pattern with "nested" array binding pattern using initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
[...]
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization for BindingPattern
|
||||
passing v and environment as arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { w: [x, y, z] = [4, 5, 6] } of [{}]) {
|
||||
assert.sameValue(x, 4);
|
||||
assert.sameValue(y, 5);
|
||||
assert.sameValue(z, 6);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,58 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-ary-trailing-comma.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Trailing comma is allowed following BindingPropertyList (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
|
||||
ObjectBindingPattern[Yield] :
|
||||
{ }
|
||||
{ BindingPropertyList[?Yield] }
|
||||
{ BindingPropertyList[?Yield] , }
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x: [y], } of [{ x: [45] }]) {
|
||||
assert.sameValue(y,45);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-ary.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Object binding pattern with "nested" array binding pattern not using initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
[...]
|
||||
3. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization for BindingPattern
|
||||
passing v and environment as arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { w: [x, y, z] = [4, 5, 6] } of [{ w: [7, undefined, ] }]) {
|
||||
assert.sameValue(x, 7);
|
||||
assert.sameValue(y, undefined);
|
||||
assert.sameValue(z, undefined);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,80 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-id-init-skipped.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Destructuring initializer is not evaluated when value is not `undefined` (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
[...]
|
||||
---*/
|
||||
var initCount = 0;
|
||||
function counter() {
|
||||
initCount += 1;
|
||||
}
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { s: t = counter(), u: v = counter(), w: x = counter(), y: z = counter() } of [{ s: null, u: 0, w: false, y: '' }]) {
|
||||
assert.sameValue(t, null);
|
||||
assert.sameValue(v, 0);
|
||||
assert.sameValue(x, false);
|
||||
assert.sameValue(z, '');
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
s;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
u;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
y;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-id-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Binding as specified via property name, identifier, and initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x: y = 33 } of [{ }]) {
|
||||
assert.sameValue(y, 33);
|
||||
assert.throws(ReferenceError, function() {
|
||||
x;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-id-trailing-comma.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Trailing comma is allowed following BindingPropertyList (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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 Destructuring Binding Patterns
|
||||
|
||||
ObjectBindingPattern[Yield] :
|
||||
{ }
|
||||
{ BindingPropertyList[?Yield] }
|
||||
{ BindingPropertyList[?Yield] , }
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x: y, } of [{ x: 23 }]) {
|
||||
assert.sameValue(y, 23);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
x;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-id.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Binding as specified via property name and identifier (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x: y } of [{ x: 23 }]) {
|
||||
assert.sameValue(y, 23);
|
||||
assert.throws(ReferenceError, function() {
|
||||
x;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-obj-init.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Object binding pattern with "nested" object binding pattern using initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
[...]
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization for BindingPattern
|
||||
passing v and environment as arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { w: { x, y, z } = { x: 4, y: 5, z: 6 } } of [{ w: undefined }]) {
|
||||
assert.sameValue(x, 4);
|
||||
assert.sameValue(y, 5);
|
||||
assert.sameValue(z, 6);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-prop-obj.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Object binding pattern with "nested" object binding pattern not using initializer (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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
|
||||
|
||||
[...]
|
||||
3. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization for BindingPattern
|
||||
passing v and environment as arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { w: { x, y, z } = { x: 4, y: 5, z: 6 } } of [{ w: { x: undefined, z: 7 } }]) {
|
||||
assert.sameValue(x, undefined);
|
||||
assert.sameValue(y, undefined);
|
||||
assert.sameValue(z, 7);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,59 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-getter.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Getter is called when obj is being deconstructed to a rest Object (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
includes: [propertyHelper.js]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
var count = 0;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {...x} of [{ get v() { count++; return 2; } }]) {
|
||||
assert.sameValue(x.v, 2);
|
||||
assert.sameValue(count, 1);
|
||||
|
||||
verifyEnumerable(x, "v");
|
||||
verifyWritable(x, "v");
|
||||
verifyConfigurable(x, "v");
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-nested-obj.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment. (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
var obj = {a: 3, b: 4};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {a, b, ...{c, e}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
|
||||
assert.sameValue(a, 1);
|
||||
assert.sameValue(b, 2);
|
||||
assert.sameValue(c, 3);
|
||||
assert.sameValue(e, 5);
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-obj-nested-rest.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: When DestructuringAssignmentTarget is an object literal, it should be parsed parsed as a DestructuringAssignmentPattern and evaluated as a destructuring assignment and object rest desconstruction is allowed in that case. (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
includes: [propertyHelper.js]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {a, b, ...{c, ...rest}} of [{a: 1, b: 2, c: 3, d: 4, e: 5}]) {
|
||||
assert.sameValue(a, 1);
|
||||
assert.sameValue(b, 2);
|
||||
assert.sameValue(c, 3);
|
||||
|
||||
assert.sameValue(rest.d, 4);
|
||||
assert.sameValue(rest.e, 5);
|
||||
|
||||
verifyEnumerable(rest, "d");
|
||||
verifyWritable(rest, "d");
|
||||
verifyConfigurable(rest, "d");
|
||||
|
||||
verifyEnumerable(rest, "e");
|
||||
verifyWritable(rest, "e");
|
||||
verifyConfigurable(rest, "e");
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,57 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-obj-own-property.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest object contains just soruce object's own properties (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
includes: [propertyHelper.js]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
var o = Object.create({ x: 1, y: 2 });
|
||||
o.z = 3;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const { x, ...{y , z} } of [o]) {
|
||||
assert.sameValue(x, 1);
|
||||
assert.sameValue(y, undefined);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-skip-non-enumerable.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest object doesn't contain non-enumerable properties (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
includes: [propertyHelper.js]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
var o = {a: 3, b: 4};
|
||||
Object.defineProperty(o, "x", { value: 4, enumerable: false });
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {...rest} of [o]) {
|
||||
assert.sameValue(rest.a, 3);
|
||||
assert.sameValue(rest.b, 4);
|
||||
assert.sameValue(rest.x, undefined);
|
||||
|
||||
verifyEnumerable(rest, "a");
|
||||
verifyWritable(rest, "a");
|
||||
verifyConfigurable(rest, "a");
|
||||
|
||||
verifyEnumerable(rest, "b");
|
||||
verifyWritable(rest, "b");
|
||||
verifyConfigurable(rest, "b");
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/obj-ptrn-rest-val-obj.case
|
||||
// - src/dstr-binding/default/for-await-of-const.template
|
||||
/*---
|
||||
description: Rest object contains just unextracted data (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [object-rest, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
includes: [propertyHelper.js]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (const {a, b, ...rest} of [{x: 1, y: 2, a: 5, b: 3}]) {
|
||||
assert.sameValue(rest.x, 1);
|
||||
assert.sameValue(rest.y, 2);
|
||||
assert.sameValue(rest.a, undefined);
|
||||
assert.sameValue(rest.b, undefined);
|
||||
|
||||
verifyEnumerable(rest, "x");
|
||||
verifyWritable(rest, "x");
|
||||
verifyConfigurable(rest, "x");
|
||||
|
||||
verifyEnumerable(rest, "y");
|
||||
verifyWritable(rest, "y");
|
||||
verifyConfigurable(rest, "y");
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-init-iter-close.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Iterator is closed when not exhausted by pattern evaluation (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [Symbol.iterator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.5 Runtime Semantics: BindingInitialization
|
||||
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
|
||||
result).
|
||||
[...]
|
||||
|
||||
---*/
|
||||
var doneCallCount = 0;
|
||||
var iter = {};
|
||||
iter[Symbol.iterator] = function() {
|
||||
return {
|
||||
next: function() {
|
||||
return { value: null, done: false };
|
||||
},
|
||||
return: function() {
|
||||
doneCallCount += 1;
|
||||
return {};
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x] of [iter]) {
|
||||
assert.sameValue(doneCallCount, 1);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,74 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-init-iter-no-close.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Iterator is not closed when exhausted by pattern evaluation (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [Symbol.iterator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.5 Runtime Semantics: BindingInitialization
|
||||
|
||||
BindingPattern : ArrayBindingPattern
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, return ? IteratorClose(iterator,
|
||||
result).
|
||||
[...]
|
||||
|
||||
---*/
|
||||
var doneCallCount = 0;
|
||||
var iter = {};
|
||||
iter[Symbol.iterator] = function() {
|
||||
return {
|
||||
next: function() {
|
||||
return { value: null, done: true };
|
||||
},
|
||||
return: function() {
|
||||
doneCallCount += 1;
|
||||
return {};
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x] of [iter]) {
|
||||
assert.sameValue(doneCallCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-name-iter-val.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding with normal value iteration (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
i. Let v be IteratorValue(next).
|
||||
ii. If v is an abrupt completion, set
|
||||
iteratorRecord.[[done]] to true.
|
||||
iii. ReturnIfAbrupt(v).
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x, y, z] of [[1, 2, 3]]) {
|
||||
assert.sameValue(x, 1);
|
||||
assert.sameValue(y, 2);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elem-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[x, y, z] = [4, 5, 6]] of [[]]) {
|
||||
assert.sameValue(x, 4);
|
||||
assert.sameValue(y, 5);
|
||||
assert.sameValue(z, 6);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elem-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[x, y, z] = [4, 5, 6]] of [[[7, 8, 9]]]) {
|
||||
assert.sameValue(x, 7);
|
||||
assert.sameValue(y, 8);
|
||||
assert.sameValue(z, 9);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elision-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
|
||||
---*/
|
||||
var first = 0;
|
||||
var second = 0;
|
||||
function* g() {
|
||||
first += 1;
|
||||
yield;
|
||||
second += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[,] = g()] of [[]]) {
|
||||
assert.sameValue(first, 1);
|
||||
assert.sameValue(second, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-elision-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generators, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
|
||||
---*/
|
||||
var callCount = 0;
|
||||
function* g() {
|
||||
callCount += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[,] = g()] of [[[]]]) {
|
||||
assert.sameValue(callCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-empty-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var initCount = 0;
|
||||
var iterCount = 0;
|
||||
var iter = function*() { iterCount += 1; }();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[] = function() { initCount += 1; return iter; }()] of [[]]) {
|
||||
assert.sameValue(initCount, 1);
|
||||
assert.sameValue(iterCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-empty-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var initCount = 0;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[] = function() { initCount += 1; }()] of [[[23]]]) {
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-rest-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var values = [2, 1, 3];
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[...x] = values] of [[]]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x[0], 2);
|
||||
assert.sameValue(x[1], 1);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.notSameValue(x, values);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,72 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-ary-rest-iter.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with array binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
[...]
|
||||
e. Else,
|
||||
i. Let v be IteratorValue(next).
|
||||
[...]
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
var values = [2, 1, 3];
|
||||
var initCount = 0;
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [[...x] = function() { initCount += 1; }()] of [[values]]) {
|
||||
assert(Array.isArray(x));
|
||||
assert.sameValue(x[0], 2);
|
||||
assert.sameValue(x[1], 1);
|
||||
assert.sameValue(x[2], 3);
|
||||
assert.sameValue(x.length, 3);
|
||||
assert.notSameValue(x, values);
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-exhausted.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Destructuring initializer with an exhausted iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x = 23] of [[]]) {
|
||||
assert.sameValue(x, 23);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-arrow.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding does assign name to arrow functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [arrow = () => {}] of [[]]) {
|
||||
assert.sameValue(arrow.name, 'arrow');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-class.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns `name` to "anonymous" classes (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [cls = class {}, xCls = class X {}, xCls2 = class { static name() {} }] of [[]]) {
|
||||
assert.sameValue(cls.name, 'cls');
|
||||
assert.notSameValue(xCls.name, 'xCls');
|
||||
assert.notSameValue(xCls2.name, 'xCls2');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-cover.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding does assign name to "anonymous" functions "through" cover grammar (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [cover = (function () {}), xCover = (0, function() {})] of [[]]) {
|
||||
assert.sameValue(cover.name, 'cover');
|
||||
assert.notSameValue(xCover.name, 'xCover');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-fn.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [fn = function () {}, xFn = function x() {}] of [[]]) {
|
||||
assert.sameValue(fn.name, 'fn');
|
||||
assert.notSameValue(xFn.name, 'xFn');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,66 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-fn-name-gen.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding assigns name to "anonymous" generator functions (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. 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).
|
||||
d. If IsAnonymousFunctionDefinition(Initializer) is true, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [gen = function* () {}, xGen = function* x() {}] of [[]]) {
|
||||
assert.sameValue(gen.name, 'gen');
|
||||
assert.notSameValue(xGen.name, 'xGen');
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,60 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-hole.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Destructuring initializer with a "hole" (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
[...] 6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v). 8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x = 23] of [[,]]) {
|
||||
assert.sameValue(x, 23);
|
||||
// another statement
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,69 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-skipped.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Destructuring initializer is not evaluated when value is not `undefined` (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
var initCount = 0;
|
||||
function counter() {
|
||||
initCount += 1;
|
||||
}
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [w = counter(), x = counter(), y = counter(), z = counter()] of [[null, 0, false, '']]) {
|
||||
assert.sameValue(w, null);
|
||||
assert.sameValue(x, 0);
|
||||
assert.sameValue(y, false);
|
||||
assert.sameValue(z, '');
|
||||
assert.sameValue(initCount, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-init-undef.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Destructuring initializer with an undefined value (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
6. If Initializer is present and v is undefined, then
|
||||
a. Let defaultValue be the result of evaluating Initializer.
|
||||
b. Let v be GetValue(defaultValue).
|
||||
[...]
|
||||
7. If environment is undefined, return PutValue(lhs, v).
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x = 23] of [[undefined]]) {
|
||||
assert.sameValue(x, 23);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,67 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-complete.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration completes (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x] of [[]]) {
|
||||
assert.sameValue(x, undefined);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,62 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-done.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration was completed previously (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
[...]
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [_, x] of [[]]) {
|
||||
assert.sameValue(x, undefined);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,73 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-id-iter-val.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: SingleNameBinding when value iteration was completed previously (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
SingleNameBinding : BindingIdentifier Initializeropt
|
||||
|
||||
[...]
|
||||
4. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
e. Else,
|
||||
[...]
|
||||
i. Let v be IteratorValue(next).
|
||||
ii. If v is an abrupt completion, set
|
||||
iteratorRecord.[[done]] to true.
|
||||
iii. ReturnIfAbrupt(v).
|
||||
5. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
[...]
|
||||
8. Return InitializeReferencedBinding(lhs, v).
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [x, y, z] of [[1, 2, 3]]) {
|
||||
assert.sameValue(x, 1);
|
||||
assert.sameValue(y, 2);
|
||||
assert.sameValue(z, 3);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-id-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [{ x, y, z } = { x: 44, y: 55, z: 66 }] of [[]]) {
|
||||
assert.sameValue(x, 44);
|
||||
assert.sameValue(y, 55);
|
||||
assert.sameValue(z, 66);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,65 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-id.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [{ x, y, z } = { x: 44, y: 55, z: 66 }] of [[{ x: 11, y: 22, z: 33 }]]) {
|
||||
assert.sameValue(x, 11);
|
||||
assert.sameValue(y, 22);
|
||||
assert.sameValue(z, 33);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id-init.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] of [[]]) {
|
||||
assert.sameValue(v, 444);
|
||||
assert.sameValue(x, 555);
|
||||
assert.sameValue(z, 666);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
u;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
y;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,75 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elem-obj-prop-id.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: BindingElement with object binding pattern and initializer is not used (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
BindingElement : BindingPatternInitializer opt
|
||||
|
||||
[...]
|
||||
2. If iteratorRecord.[[done]] is true, let v be undefined.
|
||||
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).
|
||||
4. Return the result of performing BindingInitialization of BindingPattern
|
||||
with v and environment as the arguments.
|
||||
---*/
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [{ u: v, w: x, y: z } = { u: 444, w: 555, y: 666 }] of [[{ u: 777, w: 888, y: 999 }]]) {
|
||||
assert.sameValue(v, 777);
|
||||
assert.sameValue(x, 888);
|
||||
assert.sameValue(z, 999);
|
||||
|
||||
assert.throws(ReferenceError, function() {
|
||||
u;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
w;
|
||||
});
|
||||
assert.throws(ReferenceError, function() {
|
||||
y;
|
||||
});
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,70 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elision-exhausted.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Elision accepts exhausted iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ Elision ]
|
||||
|
||||
1. Return the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
|
||||
as the argument.
|
||||
|
||||
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
|
||||
|
||||
Elision : ,
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
[...]
|
||||
2. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var iter = function*() {}();
|
||||
iter.next();
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [,] of [iter]) {
|
||||
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
|
|
@ -0,0 +1,79 @@
|
|||
// This file was procedurally generated from the following sources:
|
||||
// - src/dstr-binding/ary-ptrn-elision.case
|
||||
// - src/dstr-binding/default/for-await-of-let.template
|
||||
/*---
|
||||
description: Elision advances iterator (for-await-of statement)
|
||||
esid: sec-for-in-and-for-of-statements-runtime-semantics-labelledevaluation
|
||||
features: [generator, destructuring-binding, async-iteration]
|
||||
flags: [generated, async]
|
||||
info: |
|
||||
IterationStatement :
|
||||
for await ( ForDeclaration of AssignmentExpression ) Statement
|
||||
|
||||
[...]
|
||||
2. Return ? ForIn/OfBodyEvaluation(ForDeclaration, Statement, keyResult,
|
||||
lexicalBinding, labelSet, async).
|
||||
|
||||
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.
|
||||
[...]
|
||||
|
||||
13.3.3.6 Runtime Semantics: IteratorBindingInitialization
|
||||
|
||||
ArrayBindingPattern : [ Elision ]
|
||||
|
||||
1. Return the result of performing
|
||||
IteratorDestructuringAssignmentEvaluation of Elision with iteratorRecord
|
||||
as the argument.
|
||||
|
||||
12.14.5.3 Runtime Semantics: IteratorDestructuringAssignmentEvaluation
|
||||
|
||||
Elision : ,
|
||||
|
||||
1. If iteratorRecord.[[done]] is false, then
|
||||
a. Let next be IteratorStep(iteratorRecord.[[iterator]]).
|
||||
b. If next is an abrupt completion, set iteratorRecord.[[done]] to true.
|
||||
c. ReturnIfAbrupt(next).
|
||||
d. If next is false, set iteratorRecord.[[done]] to true.
|
||||
2. Return NormalCompletion(empty).
|
||||
|
||||
---*/
|
||||
var first = 0;
|
||||
var second = 0;
|
||||
function* g() {
|
||||
first += 1;
|
||||
yield;
|
||||
second += 1;
|
||||
};
|
||||
|
||||
var iterCount = 0;
|
||||
|
||||
async function fn() {
|
||||
for await (let [,] of [g()]) {
|
||||
assert.sameValue(first, 1);
|
||||
assert.sameValue(second, 0);
|
||||
|
||||
iterCount += 1;
|
||||
}
|
||||
}
|
||||
fn()
|
||||
.then(() => assert.sameValue(iterCount, 1, 'iteration occurred as expected'), $DONE)
|
||||
.then($DONE, $DONE);
|
||||
|
||||
Some files were not shown because too many files have changed in this diff Show More
Loading…
Reference in New Issue