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Replace @completionHandlerAsync with @available(*, renamed:)

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Instead of a new attribute `@completionHandlerAsync`, allow the use of
the existing `renamed` parameter of `@available` to specify the
asynchronous alternative of a synchronous function.

No errors will be output from invalid names as `@completionHandlerAsync`
had, but if a function is correctly matched then it will be used to
output warnings when using the synchronous function in an asynchronous
context (as before).

Resolves rdar://80612731
This commit is contained in:
Ben Barham
2021-07-14 15:45:02 +10:00
parent ebd820c5ee
commit e7e9b57051
31 changed files with 649 additions and 816 deletions
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2
test/refactoring/ConvertAsync/basic.swift
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@@ -19,7 +19,7 @@ typealias NestedAliasCallback = SomeCallback
// RUN: %refactor -add-async-alternative -dump-text -source-filename %s -pos=%(line+1):13 | %FileCheck -check-prefix=ASYNC-SIMPLE %s
func simple(completion: (String) -> Void) { }
// ASYNC-SIMPLE: basic.swift [[# @LINE-1]]:1 -> [[# @LINE-1]]:1
// ASYNC-SIMPLE-NEXT: @available(*, deprecated, message: "Prefer async alternative instead")
// ASYNC-SIMPLE-NEXT: @available(*, renamed: "simple()")
// ASYNC-SIMPLE-EMPTY:
// ASYNC-SIMPLE-NEXT: basic.swift [[# @LINE-4]]:43 -> [[# @LINE-4]]:46
// ASYNC-SIMPLE-NEXT: {