Uast: a workaround for getting parent for KotlinUAnonymousClass

when it is used in field initialisation

plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/KotlinAbstractUElement.kt

@@ -43,7 +43,7 @@ abstract class KotlinAbstractUElement(private val givenParent: UElement?) : Kotl
     protected open fun convertParent(): UElement? {
         @Suppress("DEPRECATION")
         val psi = psi //TODO: `psi` is deprecated but it seems that it couldn't be simply replaced for this case
-        var parent = psi?.parent ?: psi?.containingFile
+        var parent = psi?.parent ?: sourcePsi?.parent ?: psi?.containingFile
 
         if (psi is KtLightClassForLocalDeclaration) {
             val originParent = psi.kotlinOrigin.parent

plugins/uast-kotlin/src/org/jetbrains/uast/kotlin/KotlinAbstractUElement.kt.183

@@ -43,7 +43,7 @@ abstract class KotlinAbstractUElement(private val givenParent: UElement?) : Kotl
     protected open fun convertParent(): UElement? {
         @Suppress("DEPRECATION")
         val psi = psi //TODO: `psi` is deprecated but it seems that it couldn't be simply replaced for this case
-        var parent = psi?.parent ?: psi?.containingFile
+        var parent = psi?.parent ?: sourcePsi?.parent ?: psi?.containingFile
 
         if (psi is KtLightClassForLocalDeclaration) {
             val originParent = psi.kotlinOrigin.parent

plugins/uast-kotlin/tests/KotlinDetachedUastTest.kt

@@ -133,6 +133,20 @@ class KotlinDetachedUastTest : KotlinLightCodeInsightFixtureTestCase() {
 
     }
 
+    fun testAnonymousInnerClassWithIDELightClasses() {
+
+        val detachedClass = myFixture.configureByText("MyClass.kt","""
+            class MyClass() {
+              private val obj = object : MyClass() {}
+            }
+        """)
+
+        val anonymousClass = detachedClass.findUElementByTextFromPsi<UObjectLiteralExpression>("object : MyClass() {}")
+            .let { uObjectLiteralExpression -> uObjectLiteralExpression.declaration }
+        TestCase.assertEquals("UClass (name = null), UObjectLiteralExpression, UField (name = obj), UClass (name = MyClass), UFile (package = )", generateSequence<UElement>(anonymousClass, { it.uastParent }).joinToString { it.asLogString() })
+
+    }
+
 }
 
 fun <T> T?.orFail(msg: String): T = this ?: error(msg)