Make extra message a full sentence

Author: nicolasstucki

compiler/src/dotty/tools/dotc/transform/Splicer.scala

@@ -140,7 +140,7 @@ object Splicer {
       try classLoader.loadClass(name.toString)
       catch {
         case _: ClassNotFoundException =>
-          val msg = s"Could not find macro class $name in classpath $extraMsg"
+          val msg = s"Could not find macro class $name in classpath$extraMsg"
           throw new StopInterpretation(msg, pos)
       }
     }
@@ -149,12 +149,12 @@ object Splicer {
       try clazz.getMethod(name.toString, paramClasses: _*)
       catch {
         case _: NoSuchMethodException =>
-          val msg = s"Could not find inline macro method ${clazz.getCanonicalName}.$name with parameters $paramClasses $extraMsg"
+          val msg = s"Could not find inline macro method ${clazz.getCanonicalName}.$name with parameters $paramClasses$extraMsg"
           throw new StopInterpretation(msg, pos)
       }
     }
 
-    private def extraMsg = "(the most common reason for that is that you cannot use inline macro implementations in the same compilation run that defines them)" 
+    private def extraMsg = ". The most common reason for that is that you cannot use inline macro implementations in the same compilation run that defines them" 
 
     private def stopIfRuntimeException[T](thunk: => T): T = {
       try thunk