Update SwiftSyntax (#4639)

* `ObjcKeyPathExprSyntax` -> `MacroExpansionExprSyntax`
* Fix `#selector()` and add a regression test

Co-authored-by: JP Simard <jp@jpsim.com>

Package.resolved

@@ -32,7 +32,7 @@
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/apple/swift-syntax.git",
       "state" : {
-        "revision" : "76d01195182593ff34f5ada1ab0910fae190fc9c"
+        "revision" : "6fcc5a4b897351766da9dca9d14e26897ca17dc7"
       }
     },
     {

Package.swift

@@ -30,7 +30,7 @@ let package = Package(
     ],
     dependencies: [
         .package(url: "https://github.com/apple/swift-argument-parser.git", .upToNextMinor(from: "1.2.0")),
-        .package(url: "https://github.com/apple/swift-syntax.git", revision: "76d01195182593ff34f5ada1ab0910fae190fc9c"),
+        .package(url: "https://github.com/apple/swift-syntax.git", revision: "6fcc5a4b897351766da9dca9d14e26897ca17dc7"),
         .package(url: "https://github.com/jpsim/SourceKitten.git", .upToNextMinor(from: "0.33.1")),
         .package(url: "https://github.com/jpsim/Yams.git", from: "5.0.1"),
         .package(url: "https://github.com/scottrhoyt/SwiftyTextTable.git", from: "0.9.0"),

Source/SwiftLintFramework/Rules/Style/PreferSelfInStaticReferencesRule.swift

@@ -83,6 +83,17 @@ struct PreferSelfInStaticReferencesRule: SwiftSyntaxRule, CorrectableRule, Confi
             """, excludeFromDocumentation: true)
         ],
         triggeringExamples: [
+            Example("""
+            final class CheckCellView: NSTableCellView {
+              @IBOutlet var checkButton: NSButton!
+
+              override func awakeFromNib() {
+                checkButton.action = #selector(↓CheckCellView.check(_:))
+              }
+
+              @objc func check(_ button: AnyObject?) {}
+            }
+            """),
             Example("""
                 class C {
                     struct S {
@@ -146,6 +157,28 @@ struct PreferSelfInStaticReferencesRule: SwiftSyntaxRule, CorrectableRule, Confi
             """, excludeFromDocumentation: true)
         ],
         corrections: [
+            Example("""
+            final class CheckCellView: NSTableCellView {
+              @IBOutlet var checkButton: NSButton!
+
+              override func awakeFromNib() {
+                checkButton.action = #selector(↓CheckCellView.check(_:))
+              }
+
+              @objc func check(_ button: AnyObject?) {}
+            }
+            """):
+                Example("""
+                final class CheckCellView: NSTableCellView {
+                  @IBOutlet var checkButton: NSButton!
+
+                  override func awakeFromNib() {
+                    checkButton.action = #selector(Self.check(_:))
+                  }
+
+                  @objc func check(_ button: AnyObject?) {}
+                }
+                """),
             Example("""
                 struct S {
                     static let i = 1
@@ -296,8 +329,8 @@ private class Visitor: ViolationsSyntaxVisitor {
         _ = variableDeclScopes.popLast()
     }
 
-    override func visit(_ node: ObjcKeyPathExprSyntax) -> SyntaxVisitorContinueKind {
+    override func visit(_ node: MacroExpansionExprSyntax) -> SyntaxVisitorContinueKind {
-        if case .likeStruct = parentDeclScopes.last {
+        if case .likeClass = parentDeclScopes.last, case .identifier("selector") = node.macro.tokenKind {
             return .visitChildren
         }
         return .skipChildren

bazel/repos.bzl

@@ -19,10 +19,10 @@ def swiftlint_repos():
 
     http_archive(
         name = "com_github_apple_swift_syntax",
-        sha256 = "4f244c3acac972817579517d8799c702e5c36d223ab8ab596d9b63010e35e1c6", # SwiftSyntax sha256
+        sha256 = "17bdf4c9c87bac4f7160be1ca2e4e0101f97f7b75181e18df62b3e425ea753d8", # SwiftSyntax sha256
         build_file = "@SwiftLint//bazel:SwiftSyntax.BUILD",
-        strip_prefix = "swift-syntax-76d01195182593ff34f5ada1ab0910fae190fc9c",
+        strip_prefix = "swift-syntax-6fcc5a4b897351766da9dca9d14e26897ca17dc7",
-        url = "https://github.com/apple/swift-syntax/archive/76d01195182593ff34f5ada1ab0910fae190fc9c.tar.gz",
+        url = "https://github.com/apple/swift-syntax/archive/6fcc5a4b897351766da9dca9d14e26897ca17dc7.tar.gz",
     )
 
     http_archive(