Changed how we print method invocations

Depending of the format we use, we'll print different things when
printing to CSV.

core/src/main/kotlin/se/lth/cs/util/Features.kt

 package se.lth.cs.util
 
 import se.lth.cs.papicounters.PAPICounter
+import se.lth.cs.printFunction
 import se.lth.cs.timing.OperationType
 import se.lth.cs.timing.OperationTypeTable
 
@@ -16,7 +17,7 @@ import se.lth.cs.timing.OperationTypeTable
  *
  */
 abstract class Feature {
-    fun toCSVFeature() : String {
+    open fun toCSVFeature() : String {
         val s = this.toString()
         if (s.contains(",")) {
             return "\"%s\"".format(s)
@@ -97,11 +98,23 @@ class FeatureRatio(val f1 : Feature, val f2 : Feature) : Feature() {
     }
 }
 
-class MethodInvocations(val method : String) : Feature() {
+class MethodInvocations(val method : String, val methodPrintFormat : String) : Feature() {
     override fun featureType(): Type {
         return Type.SOFTWARE
     }
 
+    fun getMethodName(name : String): String {
+        return when (methodPrintFormat) {
+            "JAVA-STANDARD-FORMAT" -> printFunction(name)
+            "SYNTHETIC-RUN-FORMAT" -> name
+            else -> throw IllegalArgumentException("Format '$methodPrintFormat' was not recognized.")
+        }
+    }
+
+    override fun toCSVFeature() : String {
+        return getMethodName(method)
+    }
+
     override fun accept(visitor: FeatureVisitor) {
         visitor.visitMethodInvocations(this)
     }