Fix indentation of repeat each

Author: taku0

swift-mode-lexer.el

@@ -614,7 +614,7 @@ return non-nil."
                  "isolated" "each"))
        (member (swift-mode:token:text next-token)
                '("any" "some" "inout" "borrowing" "consuming" "throws"
-                 "rethrows" "in" "where" "isolated")))
+                 "rethrows" "in" "where" "isolated" "each")))
       nil)
 
      ;; Before async
@@ -731,6 +731,12 @@ return non-nil."
                 "let" "var" "throw" "import"))
       nil)
 
+     ;; Suppress import semicolon after `repeat' unless followed by a open
+     ;; curly bracket.
+     ((and (equal (swift-mode:token:text previous-token) "repeat")
+           (not (eq (swift-mode:token:type next-token) '{)))
+      nil)
+
      ;; Inserts implicit semicolon before keywords that starts a new
      ;; statement.
      ((member (swift-mode:token:text next-token)

test/swift-files/indent/declarations.swift

@@ -863,20 +863,20 @@ func foo()
 
 
 // Value and Type Parameter Packs
-// https://github.com/apple/swift-evolution/blob/main/proposals/0393-parameter-packs.md#introduction
+// https://github.com/apple/swift-evolution/blob/main/proposals/0393-parameter-packs.md
 // https://github.com/apple/swift-evolution/blob/main/proposals/0398-variadic-types.md
 
 func constrain<each S: Sequence>(
   _: repeat
-    each // swift-mode:test:known-bug
-    S // swift-mode:test:known-bug
+    each
+    S
 ) where (
           repeat
-            ( // swift-mode:test:known-bug
+            (
               each
                 S
             )
-              .Element
+            .Element
         ) == (Int, String) {
 }
 

test/swift-files/indent/statements.swift

@@ -332,6 +332,26 @@ for
     foo()
 }
 
+// Pack iteration
+// https://github.com/swiftlang/swift-evolution/blob/main/proposals/0408-pack-iteration.md
+for element
+    in
+    repeat
+      each
+      element {
+}
+
+for (left, right)
+    in
+    repeat
+      (
+        each
+          lhs,
+        each
+          rhs
+      ) {
+}
+
 
 // While statements