Fixed KT-4105: Can't find usages of private function

compiler/jet.as.java.psi/src/org/jetbrains/jet/asJava/JetClsMethodImpl.java

@@ -19,6 +19,7 @@ package org.jetbrains.jet.asJava;
 import com.intellij.psi.PsiElement;
 import com.intellij.psi.impl.compiled.ClsMethodImpl;
 import com.intellij.psi.impl.java.stubs.PsiMethodStub;
+import com.intellij.psi.search.SearchScope;
 import com.intellij.util.IncorrectOperationException;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.lang.psi.JetDeclaration;
@@ -59,4 +60,10 @@ public class JetClsMethodImpl extends ClsMethodImpl implements JetClsMethod {
         if (another instanceof JetClsMethod && getOrigin().equals(((JetClsMethod) another).getOrigin())) return true;
         return super.isEquivalentTo(another);
     }
+
+    @NotNull
+    @Override
+    public SearchScope getUseScope() {
+        return origin.getUseScope();
+    }
 }

idea/testData/findUsages/findClassUsages/kotlinPrivateClassUsages.0.kt

@@ -0,0 +1,16 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetClass
+// OPTIONS: usages, constructorUsages
+package server;
+
+public open class Server() {
+    private class <caret>Foo {
+
+    }
+
+    open fun processRequest() = Foo()
+}
+
+public class ServerEx(): Server() {
+    override fun processRequest() = Server.Foo()
+}
+

idea/testData/findUsages/findClassUsages/kotlinPrivateClassUsages.1.kt

@@ -0,0 +1,8 @@
+import server.*;
+
+class Client {
+    public fun foo() {
+        println(Server.Foo())
+        ServerEx().processRequest()
+    }
+}

idea/testData/findUsages/findClassUsages/kotlinPrivateClassUsages.results.txt

@@ -0,0 +1,3 @@
+Instantiation (10: 33) open fun processRequest() = Foo()
+Instantiation (14: 44) override fun processRequest() = Server.Foo()
+Instantiation (5: 24) println(Server.Foo())

idea/testData/findUsages/findMethodUsages/kotlinPrivateMethodUsages.0.kt

@@ -0,0 +1,14 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetNamedFunction
+// OPTIONS: usages
+package server;
+
+public open class Server() {
+    private fun <caret>doProcessRequest() = "foo"
+
+    open fun processRequest() = doProcessRequest()
+}
+
+public class ServerEx(): Server() {
+    override fun processRequest() = "foo" + doProcessRequest()
+}
+

idea/testData/findUsages/findMethodUsages/kotlinPrivateMethodUsages.1.kt

@@ -0,0 +1,8 @@
+import server.*;
+
+class Client {
+    public fun foo() {
+        Server().doProcessRequest()
+        ServerEx().processRequest()
+    }
+}

idea/testData/findUsages/findMethodUsages/kotlinPrivateMethodUsages.results.txt

@@ -0,0 +1,3 @@
+Function call (12: 45) override fun processRequest() = "foo" + doProcessRequest()
+Function call (5: 18) Server().doProcessRequest()
+Function call (8: 33) open fun processRequest() = doProcessRequest()

idea/testData/findUsages/findObjectUsages/kotlinPrivateObjectUsages.0.kt

@@ -0,0 +1,16 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetObjectDeclarationName
+// OPTIONS: usages
+package server;
+
+public open class Server() {
+    private object <caret>Foo {
+
+    }
+
+    open fun processRequest() = Foo
+}
+
+public class ServerEx(): Server() {
+    override fun processRequest() = Foo
+}
+

idea/testData/findUsages/findObjectUsages/kotlinPrivateObjectUsages.1.kt

@@ -0,0 +1,8 @@
+import server.*;
+
+class Client {
+    public fun foo() {
+        println(Server().Foo)
+        ServerEx().processRequest()
+    }
+}

idea/testData/findUsages/findObjectUsages/kotlinPrivateObjectUsages.results.txt

@@ -0,0 +1,3 @@
+Selector (5: 26) println(Server().Foo)
+Value read (10: 33) open fun processRequest() = Foo
+Value read (14: 37) override fun processRequest() = Foo

idea/testData/findUsages/findPropertyUsages/kotlinPrivatePropertyUsages.0.kt

@@ -0,0 +1,14 @@
+// PSI_ELEMENT: org.jetbrains.jet.lang.psi.JetProperty
+// OPTIONS: usages
+package server;
+
+public open class Server() {
+    private val <caret>foo = "foo"
+
+    open fun processRequest() = foo
+}
+
+public class ServerEx(): Server() {
+    override fun processRequest() = "foo" + foo
+}
+

idea/testData/findUsages/findPropertyUsages/kotlinPrivatePropertyUsages.1.kt

@@ -0,0 +1,8 @@
+import server.*;
+
+class Client {
+    public fun foo() {
+        println(Server().foo)
+        ServerEx().processRequest()
+    }
+}

idea/testData/findUsages/findPropertyUsages/kotlinPrivatePropertyUsages.results.txt

@@ -0,0 +1,3 @@
+Selector (5: 26) println(Server().foo)
+Value read (12: 45) override fun processRequest() = "foo" + foo
+Value read (8: 33) open fun processRequest() = foo

idea/tests/org/jetbrains/jet/findUsages/JetFindUsagesTest.java

@@ -163,6 +163,11 @@ public class JetFindUsagesTest extends AbstractJetFindUsagesTest {
             doTest("idea/testData/findUsages/findClassUsages/kotlinDerivedInterfaceUsages2.0.kt");
         }
         
+        @TestMetadata("kotlinPrivateClassUsages.0.kt")
+        public void testKotlinPrivateClassUsages() throws Exception {
+            doTest("idea/testData/findUsages/findClassUsages/kotlinPrivateClassUsages.0.kt");
+        }
+        
     }
     
     @TestMetadata("idea/testData/findUsages/findMethodUsages")
@@ -191,6 +196,11 @@ public class JetFindUsagesTest extends AbstractJetFindUsagesTest {
             doTest("idea/testData/findUsages/findMethodUsages/kotlinOverloadAndExtensionUsages.0.kt");
         }
         
+        @TestMetadata("kotlinPrivateMethodUsages.0.kt")
+        public void testKotlinPrivateMethodUsages() throws Exception {
+            doTest("idea/testData/findUsages/findMethodUsages/kotlinPrivateMethodUsages.0.kt");
+        }
+        
         @TestMetadata("kotlinTopLevelMethodUsages.0.kt")
         public void testKotlinTopLevelMethodUsages() throws Exception {
             doTest("idea/testData/findUsages/findMethodUsages/kotlinTopLevelMethodUsages.0.kt");
@@ -214,6 +224,11 @@ public class JetFindUsagesTest extends AbstractJetFindUsagesTest {
             doTest("idea/testData/findUsages/findObjectUsages/kotlinObjectUsages.0.kt");
         }
         
+        @TestMetadata("kotlinPrivateObjectUsages.0.kt")
+        public void testKotlinPrivateObjectUsages() throws Exception {
+            doTest("idea/testData/findUsages/findObjectUsages/kotlinPrivateObjectUsages.0.kt");
+        }
+        
     }
     
     @TestMetadata("idea/testData/findUsages/findPropertyUsages")
@@ -227,6 +242,11 @@ public class JetFindUsagesTest extends AbstractJetFindUsagesTest {
             doTest("idea/testData/findUsages/findPropertyUsages/javaPropertyUsages.0.kt");
         }
         
+        @TestMetadata("kotlinPrivatePropertyUsages.0.kt")
+        public void testKotlinPrivatePropertyUsages() throws Exception {
+            doTest("idea/testData/findUsages/findPropertyUsages/kotlinPrivatePropertyUsages.0.kt");
+        }
+        
         @TestMetadata("kotlinTopLevelPropertyUsages.0.kt")
         public void testKotlinTopLevelPropertyUsages() throws Exception {
             doTest("idea/testData/findUsages/findPropertyUsages/kotlinTopLevelPropertyUsages.0.kt");