Only allow Embedded in the code"" interpolator

Author: nicolasstucki

language-server/test/dotty/tools/languageserver/util/Code.scala

@@ -15,7 +15,7 @@ object Code {
   val m8 = new CodeMarker("m8")
 
   implicit class CodeHelper(val sc: StringContext) extends AnyVal {
-    def code(args: Any*): SourceWithPositions = {
+    def code(args: Embedded*): SourceWithPositions = {
       val pi = sc.parts.iterator
       val ai = args.iterator
 
@@ -35,18 +35,14 @@ object Code {
         scan(next)
 
         ai.next() match {
-          case emb: Embedded => emb match {
-            case emb: CodeMarker =>
-              positions += Tuple3(emb, line, char)
-
-            case emb: CodeInRange =>
-              positions += Tuple3(emb.range.start, line, char)
-              scan(emb.text)
-              stringBuilder.append(emb.text)
-              positions += Tuple3(emb.range.end, line, char)
-
-          }
-          case arg => throw new Exception(s"Interpolated code should be a ${classOf[Embedded].getCanonicalName} but was " + arg)
+          case emb: CodeMarker =>
+            positions += Tuple3(emb, line, char)
+
+          case emb: CodeInRange =>
+            positions += Tuple3(emb.range.start, line, char)
+            scan(emb.text)
+            stringBuilder.append(emb.text)
+            positions += Tuple3(emb.range.end, line, char)
         }
 
       }