use correct safe delete processor for members of local classes and objects

#KT-8894 Fixed

compiler/light-classes/src/org/jetbrains/kotlin/asJava/LightClassUtil.java

@@ -251,8 +251,7 @@ public class LightClassUtil {
             return getPsiClass(((JetConstructor) declaration).getContainingClassOrObject());
         }
 
-        //noinspection unchecked
-        if (PsiTreeUtil.getParentOfType(declaration, JetFunction.class, JetProperty.class) != null) {
+        if (!canGenerateLightClass(declaration)) {
             // Can't get wrappers for internal declarations. Their classes are not generated during calcStub
             // with ClassBuilderMode.LIGHT_CLASSES mode, and this produces "Class not found exception" in getDelegate()
             return null;
@@ -274,6 +273,11 @@ public class LightClassUtil {
         return null;
     }
 
+    public static boolean canGenerateLightClass(JetDeclaration declaration) {
+        //noinspection unchecked
+        return PsiTreeUtil.getParentOfType(declaration, JetFunction.class, JetProperty.class) == null;
+    }
+
     @NotNull
     private static PropertyAccessorsPsiMethods extractPropertyAccessors(
             @NotNull JetDeclaration jetDeclaration,

idea/src/org/jetbrains/kotlin/idea/refactoring/safeDelete/KotlinSafeDeleteProcessor.kt

@@ -192,7 +192,7 @@ public class KotlinSafeDeleteProcessor : JavaSafeDeleteProcessor() {
             }
 
             is JetNamedFunction -> {
-                if (element.isLocal()) {
+                if (!LightClassUtil.canGenerateLightClass(element)) {
                     findKotlinDeclarationUsages(element)
                 }
                 else {
@@ -204,7 +204,7 @@ public class KotlinSafeDeleteProcessor : JavaSafeDeleteProcessor() {
                 findUsagesByJavaProcessor(element, false)
 
             is JetProperty -> {
-                if (element.isLocal()) {
+                if (!LightClassUtil.canGenerateLightClass(element)) {
                     findKotlinDeclarationUsages(element)
                 }
                 else {

idea/testData/safeDelete/deleteProperty/kotlinProperty/propertyInLocalObject.kt

@@ -0,0 +1,7 @@
+open class SampleParent { var field = 0 }
+
+fun context() {
+    var v = object : SampleParent() { var ad<caret>dition = 0 }
+    println(v.field)
+    println(v.addition)
+}

idea/testData/safeDelete/deleteProperty/kotlinProperty/propertyInLocalObject.kt.messages

@@ -0,0 +1 @@
+property context.<no name provided>.addition has 1 usage that is not safe to delete.

idea/tests/org/jetbrains/kotlin/safeDelete/JetSafeDeleteTestGenerated.java

@@ -534,6 +534,12 @@ public class JetSafeDeleteTestGenerated extends AbstractJetSafeDeleteTest {
             String fileName = JetTestUtils.navigationMetadata("idea/testData/safeDelete/deleteProperty/kotlinProperty/propertyExt2.kt");
             doPropertyTest(fileName);
         }
+
+        @TestMetadata("propertyInLocalObject.kt")
+        public void testPropertyInLocalObject() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("idea/testData/safeDelete/deleteProperty/kotlinProperty/propertyInLocalObject.kt");
+            doPropertyTest(fileName);
+        }
     }
 
     @TestMetadata("idea/testData/safeDelete/deleteProperty/kotlinPropertyWithJava")