Override getSourceReference() on AbstractGlueDefinition

Author: gaeljw

scala/sources/src/main/scala/io/cucumber/scala/AbstractGlueDefinition.scala

@@ -1,15 +1,18 @@
 package io.cucumber.scala
 
 import java.lang.reflect.InvocationTargetException
+import java.util.Optional
 
-import io.cucumber.core.backend.{CucumberInvocationTargetException, Located}
+import io.cucumber.core.backend.{CucumberInvocationTargetException, Located, SourceReference}
 
 import scala.util.{Failure, Try}
 
 trait AbstractGlueDefinition extends Located {
 
   val location: StackTraceElement
 
+  lazy val sourceReference: SourceReference = SourceReference.fromStackTraceElement(location)
+
   override def getLocation(): String = {
     location.toString
   }
@@ -18,6 +21,10 @@ trait AbstractGlueDefinition extends Located {
     location.getFileName != null && location.getFileName == stackTraceElement.getFileName
   }
 
+  override def getSourceReference(): Optional[SourceReference] = {
+    Optional.of(sourceReference)
+  }
+
   /**
    * Executes the block of code and handle failures in the way asked by Cucumber specification: that is throwing a CucumberInvocationTargetException.
    */