New J2K: Support 'override' modality

j2k/newSrc/org/jetbrains/kotlin/j2k/JavaToJKTreeBuilder.kt

@@ -294,6 +294,7 @@ class JavaToJKTreeBuilder(var symbolProvider: JKSymbolProvider) {
                 parameterList.parameters.map { it.toJK() },
                 body?.toJK() ?: JKBodyStub
             ).also {
+                backAnnotation[it] = this
                 symbolProvider.provideUniverseSymbol(this, it)
             }
         }

j2k/newSrc/org/jetbrains/kotlin/j2k/NewCodeBuilder.kt

@@ -82,6 +82,7 @@ class NewCodeBuilder {
                     JKModalityModifier.Modality.OPEN -> "open"
                     JKModalityModifier.Modality.FINAL -> "final"
                     JKModalityModifier.Modality.ABSTRACT -> "abstract"
+                    JKModalityModifier.Modality.OVERRIDE -> "override"
                 }
             )
         }

j2k/newSrc/org/jetbrains/kotlin/j2k/conversions/ModalityConversion.kt

@@ -6,18 +6,18 @@
 package org.jetbrains.kotlin.j2k.conversions
 
 import com.intellij.psi.PsiClass
+import com.intellij.psi.PsiMethod
 import org.jetbrains.kotlin.j2k.ConversionContext
-import org.jetbrains.kotlin.j2k.tree.JKClass
-import org.jetbrains.kotlin.j2k.tree.JKModalityModifier
-import org.jetbrains.kotlin.j2k.tree.JKTreeElement
+import org.jetbrains.kotlin.j2k.tree.*
 import org.jetbrains.kotlin.j2k.tree.impl.modality
 
 class ModalityConversion(private val context: ConversionContext) : RecursiveApplicableConversionBase() {
 
 
     override fun applyToElement(element: JKTreeElement): JKTreeElement {
-        if (element is JKClass) {
-            processClass(element)
+        when (element) {
+            is JKClass -> processClass(element)
+            is JKJavaMethod -> processMethod(element)
         }
         return recurse(element)
     }
@@ -31,4 +31,10 @@ class ModalityConversion(private val context: ConversionContext) : RecursiveAppl
         }
     }
 
+    private fun processMethod(method: JKJavaMethod) {
+        if ((context.backAnnotator(method)!! as PsiMethod).findSuperMethods().isNotEmpty()) {
+            method.modifierList.modality = JKModalityModifier.Modality.OVERRIDE
+        }
+    }
+
 }

j2k/newSrc/org/jetbrains/kotlin/j2k/tree/jk.kt

@@ -86,7 +86,7 @@ interface JKAccessModifier : JKModifier {
 
 interface JKModalityModifier : JKModifier {
     enum class Modality {
-        OPEN, FINAL, ABSTRACT
+        OPEN, FINAL, ABSTRACT, OVERRIDE
     }
 
     val modality: Modality