Fix hoistTry in concatenated string clause

Sources/FormattingHelpers.swift

@@ -994,7 +994,11 @@ extension Formatter {
             case let .keyword(name) where ["is", "as", "try", "await"].contains(name),
                  let .operator(name, .infix) where name != "=":
                 break
-            case .endOfScope(")") where prevToken.isStringBody:
+            case .operator(_, .prefix), .stringBody,
+                 .endOfScope(")") where prevToken.isStringBody ||
+                     (prevToken.isEndOfScope && prevToken.isStringDelimiter),
+                 .startOfScope where tokens[i].isStringDelimiter,
+                 .endOfScope where tokens[i].isStringDelimiter:
                 break
             case .operator(_, .postfix), .identifier, .number, .endOfScope:
                 if !prevToken.isOperator(ofType: .infix),
@@ -1002,9 +1006,6 @@ extension Formatter {
                 {
                     break loop
                 }
-            case .operator(_, .prefix), .stringBody,
-                 .startOfScope where tokens[i].isStringDelimiter:
-                break
             default:
                 break loop
             }

Tests/RulesTests+Hoisting.swift

@@ -70,6 +70,20 @@ class HoistingTests: RulesTests {
         testFormatting(for: input, output, rule: FormatRules.hoistTry)
     }
 
+    func testHoistTryInsideStringInterpolation5() {
+        let input = """
+        return str +
+            "&enrolments[\\(index)][roleid]=\\(MoodleRoles.studentRole.rawValue)" +
+            "&enrolments[\\(index)][userid]=\\(try user.requireMoodleID())"
+        """
+        let output = """
+        return try str +
+            "&enrolments[\\(index)][roleid]=\\(MoodleRoles.studentRole.rawValue)" +
+            "&enrolments[\\(index)][userid]=\\(user.requireMoodleID())"
+        """
+        testFormatting(for: input, output, rule: FormatRules.hoistTry)
+    }
+
     func testHoistTryInsideArgument() {
         let input = """
         array.append(contentsOf: try await asyncFunction(param1: param1))