// Copyright (C) 2019 Leo Balter. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: >
Valid syntax for top level await.
AwaitExpression ImportCall
info: |
ModuleItem:
StatementListItem[~Yield, +Await, ~Return]
...
UnaryExpression[Yield, Await]
[+Await]AwaitExpression[?Yield]
AwaitExpression[Yield]:
await UnaryExpression[?Yield, +Await]
...
TryStatement[Yield, Await, Return]:
try Block[?Yield, ?Await, ?Return] Catch[?Yield, ?Await, ?Return]
try Block[?Yield, ?Await, ?Return] Finally[?Yield, ?Await, ?Return]
try Block[?Yield, ?Await, ?Return] Catch[?Yield, ?Await, ?Return] Finally[?Yield, ?Await, ?Return]
Catch[Yield, Await, Return]:
catch(CatchParameter[?Yield, ?Await])Block[?Yield, ?Await, ?Return]
catchBlock[?Yield, ?Await, ?Return]
Finally[Yield, Await, Return]:
finallyBlock[?Yield, ?Await, ?Return]
CatchParameter[Yield, Await]:
BindingIdentifier[?Yield, ?Await]
BindingPattern[?Yield, ?Await]
esid: prod-AwaitExpression
flags: [module]
features: [top-level-await, dynamic-import]
---*/
try {} catch ({ x = await 42 }) {} // Initializer
try {} catch ({ x: y = await 42 }) {} // BindingElement Initializer
try {} catch ([ x = await 42 ]) {}