change the origin of light methods for property accessors to the property itself

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

@@ -149,6 +149,9 @@ public abstract class KotlinWrappingLightClass extends AbstractLightClass implem
             @Override
             public PsiMethod invoke(PsiMethod method) {
                 JetDeclaration declaration = ClsWrapperStubPsiFactory.getOriginalDeclaration(method);
+                if (declaration instanceof JetPropertyAccessor) {
+                    declaration = PsiTreeUtil.getParentOfType(declaration, JetProperty.class);
+                }
 
                 if (declaration != null) {
                     return !isTraitFakeOverride(declaration) ?

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

@@ -146,7 +146,18 @@ public class LightClassUtil {
 
     @Nullable
     public static PsiMethod getLightClassAccessorMethod(@NotNull JetPropertyAccessor accessor) {
-        return getPsiMethodWrapper(accessor);
+        JetProperty property = PsiTreeUtil.getParentOfType(accessor, JetProperty.class);
+        if (property == null) {
+            return null;
+        }
+        List<PsiMethod> wrappers = getPsiMethodWrappers(property, true);
+        for (PsiMethod wrapper : wrappers) {
+            if ((accessor.isGetter() && !wrapper.getName().startsWith(JvmAbi.SETTER_PREFIX)) ||
+                (accessor.isSetter() && wrapper.getName().startsWith(JvmAbi.SETTER_PREFIX))) {
+                return wrapper;
+            }
+        }
+        return null;
     }
 
     @Nullable
@@ -331,13 +342,13 @@ public class LightClassUtil {
 
             for (PsiMethod wrapper : wrappers) {
                 if (wrapper.getName().startsWith(JvmAbi.SETTER_PREFIX)) {
-                    assert setterWrapper == null : String.format(
+                    assert setterWrapper == null || setterWrapper == specialSetter: String.format(
                             "Setter accessor isn't expected to be reassigned (old: %s, new: %s)", setterWrapper, wrapper);
 
                     setterWrapper = wrapper;
                 }
                 else {
-                    assert getterWrapper == null : String.format(
+                    assert getterWrapper == null || getterWrapper == specialGetter: String.format(
                             "Getter accessor isn't expected to be reassigned (old: %s, new: %s)", getterWrapper, wrapper);
 
                     getterWrapper = wrapper;

idea/src/org/jetbrains/kotlin/idea/refactoring/changeSignature/usages/KotlinWrapperForJavaUsageInfos.kt

@@ -30,6 +30,6 @@ public class KotlinWrapperForJavaUsageInfos(
     }
 
     override fun equals(other: Any?): Boolean {
-        return other == this || (other is KotlinWrapperForJavaUsageInfos && javaChangeInfo.getMethod() == other.javaChangeInfo.getMethod())
+        return other === this || (other is KotlinWrapperForJavaUsageInfos && javaChangeInfo.getMethod() == other.javaChangeInfo.getMethod())
     }
 }

idea/testData/findUsages/kotlin/findPropertyUsages/javaAndKotlinOverrides.results.txt

@@ -1,5 +1,4 @@
-[javaAndKotlinOverrides.0.kt] Unclassified usage (13: 9) set(value: String) {
 [javaAndKotlinOverrides.0.kt] Unclassified usage (25: 18) override var foo: String = ""
-[javaAndKotlinOverrides.0.kt] Unclassified usage (9: 9) get() {
+[javaAndKotlinOverrides.0.kt] Unclassified usage (8: 18) override var foo: String
 [javaAndKotlinOverrides.1.java] Unclassified usage (12: 17) public void setFoo(String s) {
 [javaAndKotlinOverrides.1.java] Unclassified usage (7: 19) public String getFoo() {

idea/testData/findUsages/kotlin/findPropertyUsages/javaAndKotlinOverrides2.results.txt

@@ -1,6 +1,5 @@
-[javaAndKotlinOverrides2.0.kt] Unclassified usage (11: 9) set(value: String) {
 [javaAndKotlinOverrides2.0.kt] Unclassified usage (23: 18) override var foo: String = ""
 [javaAndKotlinOverrides2.0.kt] Unclassified usage (26: 30) open class E<T>(override var foo: T): A<T>(foo)
-[javaAndKotlinOverrides2.0.kt] Unclassified usage (7: 9) get() {
+[javaAndKotlinOverrides2.0.kt] Unclassified usage (6: 18) override var foo: String
 [javaAndKotlinOverrides2.1.java] Unclassified usage (12: 17) public void setFoo(String s) {
 [javaAndKotlinOverrides2.1.java] Unclassified usage (7: 19) public String getFoo() {

idea/testData/refactoring/rename/renameKotlinValProperty/after/testing/GroovyClient.groovy

@@ -0,0 +1,32 @@
+package testing;
+
+import testing.rename.*;
+
+class GroovyClient {
+    public void foo(AP ap, DP dp) {
+        ap.getSecond
+        new BP().getSecond
+        new CP().getSecond
+
+        dp.getSecond
+        new EP().second
+        new FP().second
+    }
+
+    public interface DP extends AP {
+    }
+
+    public static class EP implements DP {
+        @Override
+        public int getSecond() {
+            return 3;
+        }
+    }
+
+    public static class FP extends EP {
+        @Override
+        public int getSecond() {
+            return 4;
+        }
+    }
+}

idea/testData/refactoring/rename/renameKotlinValProperty/before/testing/GroovyClient.groovy

@@ -0,0 +1,32 @@
+package testing;
+
+import testing.rename.*;
+
+class GroovyClient {
+    public void foo(AP ap, DP dp) {
+        ap.first
+        new BP().first
+        new CP().first
+
+        dp.first
+        new EP().first
+        new FP().first
+    }
+
+    public interface DP extends AP {
+    }
+
+    public static class EP implements DP {
+        @Override
+        public int getFirst() {
+            return 3;
+        }
+    }
+
+    public static class FP extends EP {
+        @Override
+        public int getFirst() {
+            return 4;
+        }
+    }
+}

idea/tests/org/jetbrains/kotlin/idea/javaFacade/JetJavaFacadeTest.java

@@ -241,11 +241,8 @@ public class JetJavaFacadeTest extends JetLightCodeInsightFixtureTestCase {
         // Should not fail!
         LightClassUtil.PropertyAccessorsPsiMethods propertyAccessors = LightClassUtil.getLightClassPropertyMethods(jetProperty);
 
-        JetPropertyAccessor getter = jetProperty.getGetter();
-        JetPropertyAccessor setter = jetProperty.getSetter();
-
-        checkDeclarationMethodWrapped(shouldWrapGetter, getter != null ? getter : jetProperty, propertyAccessors.getGetter());
-        checkDeclarationMethodWrapped(shouldWrapSetter, setter != null ? setter : jetProperty, propertyAccessors.getSetter());
+        checkDeclarationMethodWrapped(shouldWrapGetter, jetProperty, propertyAccessors.getGetter());
+        checkDeclarationMethodWrapped(shouldWrapSetter, jetProperty, propertyAccessors.getSetter());
     }
 
     private void doTestWrapPropertyAccessor(boolean shouldWrapAccessor) {
@@ -253,7 +250,9 @@ public class JetJavaFacadeTest extends JetLightCodeInsightFixtureTestCase {
 
         // Should not fail!
         PsiMethod propertyAccessors = LightClassUtil.getLightClassAccessorMethod(jetPropertyAccessor);
-        checkDeclarationMethodWrapped(shouldWrapAccessor, jetPropertyAccessor, propertyAccessors);
+        checkDeclarationMethodWrapped(shouldWrapAccessor,
+                                      PsiTreeUtil.getParentOfType(jetPropertyAccessor, JetProperty.class),
+                                      propertyAccessors);
     }
 
     @NotNull