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[Syntax] Introduce UnresolvedIsExpr/UnresolvedAsExpr #60731

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merged 1 commit into from Aug 24, 2022

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@rintaro rintaro commented Aug 23, 2022

SequenceExprSyntax should have odd number elements. Previously 'a as b'
was parsed like:

(sequence_expr
  (identifier_expr "a"),
  (as_expr
    'as'
    (typeidentifier "b")))

So it had even number elements. Now it's parsed

(sequence_expr
  (identifier_expr "a"),
  (unresolved_as_expr 'as')
  (type_expr
    (typeidentifier "b")))

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rintaro commented Aug 23, 2022

apple/swift-syntax#628
@swift-ci Please smoke test

SequenceExprSyntax should have odd number elements. Previously 'a as b'
was parsed like:
```
(sequence_expr
  (identifier_expr "a"),
  (as_expr
    'as'
    (typeidentifier "b")))
```
So it had even number elements. Now it's parsed
```
(sequence_expr
  (identifier_expr "a"),
  (unresolved_as_expr 'as')
  (type_expr
    (typeidentifier "b")))
```
@rintaro
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rintaro commented Aug 23, 2022

apple/swift-syntax#628
@swift-ci Please smoke test

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rintaro commented Aug 23, 2022

apple/swift-syntax#628
@swift-ci Please smoke test

@DougGregor DougGregor merged commit cf337a7 into apple:main Aug 24, 2022
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2 participants