Filter out package members from other facades in KPackageImpl

#KT-10690 Fixed

compiler/testData/codegen/boxMultiFile/kt10690.kt

@@ -0,0 +1,24 @@
+// WITH_REFLECT
+// FILE: test.kt
+
+fun test2() {
+}
+
+// FILE: main.kt
+
+import kotlin.reflect.jvm.javaMethod
+import kotlin.reflect.jvm.kotlinFunction
+
+fun box(): String {
+    if (::box.javaMethod?.kotlinFunction == null)
+        return "Fail box"
+    if (::test1.javaMethod?.kotlinFunction == null)
+        return "Fail test1"
+    if (::test2.javaMethod?.kotlinFunction == null)
+        return "Fail test2"
+
+    return "OK"
+}
+
+fun test1() {
+}

compiler/tests/org/jetbrains/kotlin/codegen/BlackBoxMultiFileCodegenTestGenerated.java

@@ -83,6 +83,12 @@ public class BlackBoxMultiFileCodegenTestGenerated extends AbstractBlackBoxCodeg
         doTest(fileName);
     }
 
+    @TestMetadata("kt10690.kt")
+    public void testKt10690() throws Exception {
+        String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxMultiFile/kt10690.kt");
+        doTest(fileName);
+    }
+
     @TestMetadata("kt1515.kt")
     public void testKt1515() throws Exception {
         String fileName = KotlinTestUtils.navigationMetadata("compiler/testData/codegen/boxMultiFile/kt1515.kt");

core/descriptor.loader.java/src/org/jetbrains/kotlin/load/kotlin/ModuleMapping.kt

@@ -65,7 +65,6 @@ class ModuleMapping private constructor(val packageFqName2Parts: Map<String, Pac
 }
 
 class PackageParts(val packageFqName: String) {
-
     val parts = linkedSetOf<String>()
 
     override fun equals(other: Any?) =
@@ -74,15 +73,18 @@ class PackageParts(val packageFqName: String) {
     override fun hashCode() =
             packageFqName.hashCode() * 31 + parts.hashCode()
 
+    override fun toString() =
+            parts.toString()
+
     companion object {
-        @JvmStatic fun PackageParts.serialize(builder: JvmPackageTable.PackageTable.Builder) {
+        @JvmStatic
+        fun PackageParts.serialize(builder: JvmPackageTable.PackageTable.Builder) {
             if (this.parts.isNotEmpty()) {
                 val packageParts = JvmPackageTable.PackageParts.newBuilder()
-                packageParts.setPackageFqName(this.packageFqName)
+                packageParts.packageFqName = this.packageFqName
                 packageParts.addAllClassName(this.parts.sorted())
                 builder.addPackageParts(packageParts)
             }
         }
     }
 }
-

core/reflection.jvm/src/kotlin/reflect/jvm/internal/KDeclarationContainerImpl.kt

@@ -27,7 +27,6 @@ import org.jetbrains.kotlin.resolve.scopes.MemberScope
 import java.lang.reflect.Constructor
 import java.lang.reflect.Method
 import kotlin.jvm.internal.ClassBasedDeclarationContainer
-import kotlin.reflect.KCallable
 import kotlin.reflect.KotlinReflectionInternalError
 
 internal abstract class KDeclarationContainerImpl : ClassBasedDeclarationContainer {
@@ -45,8 +44,8 @@ internal abstract class KDeclarationContainerImpl : ClassBasedDeclarationContain
 
     abstract fun getFunctions(name: Name): Collection<FunctionDescriptor>
 
-    fun getMembers(scope: MemberScope, declaredOnly: Boolean, nonExtensions: Boolean, extensions: Boolean): Sequence<KCallable<*>> {
-        val visitor = object : DeclarationDescriptorVisitorEmptyBodies<KCallable<*>?, Unit>() {
+    fun getMembers(scope: MemberScope, declaredOnly: Boolean, nonExtensions: Boolean, extensions: Boolean): Sequence<KCallableImpl<*>> {
+        val visitor = object : DeclarationDescriptorVisitorEmptyBodies<KCallableImpl<*>?, Unit>() {
             private fun skipCallable(descriptor: CallableMemberDescriptor): Boolean {
                 if (declaredOnly && !descriptor.kind.isReal) return true
 
@@ -57,15 +56,15 @@ internal abstract class KDeclarationContainerImpl : ClassBasedDeclarationContain
                 return false
             }
 
-            override fun visitPropertyDescriptor(descriptor: PropertyDescriptor, data: Unit): KCallable<*>? {
+            override fun visitPropertyDescriptor(descriptor: PropertyDescriptor, data: Unit): KCallableImpl<*>? {
                 return if (skipCallable(descriptor)) null else createProperty(descriptor)
             }
 
-            override fun visitFunctionDescriptor(descriptor: FunctionDescriptor, data: Unit): KCallable<*>? {
+            override fun visitFunctionDescriptor(descriptor: FunctionDescriptor, data: Unit): KCallableImpl<*>? {
                 return if (skipCallable(descriptor)) null else KFunctionImpl(this@KDeclarationContainerImpl, descriptor)
             }
 
-            override fun visitConstructorDescriptor(descriptor: ConstructorDescriptor, data: Unit): KCallable<*>? {
+            override fun visitConstructorDescriptor(descriptor: ConstructorDescriptor, data: Unit): KCallableImpl<*>? {
                 throw IllegalStateException("No constructors should appear in this scope: $descriptor")
             }
         }

core/reflection.jvm/src/kotlin/reflect/jvm/internal/KPackageImpl.kt

@@ -18,11 +18,16 @@ package kotlin.reflect.jvm.internal
 
 import org.jetbrains.kotlin.descriptors.ConstructorDescriptor
 import org.jetbrains.kotlin.descriptors.FunctionDescriptor
+import org.jetbrains.kotlin.descriptors.PackageFragmentDescriptor
 import org.jetbrains.kotlin.descriptors.PropertyDescriptor
 import org.jetbrains.kotlin.incremental.components.NoLookupLocation
+import org.jetbrains.kotlin.load.java.lazy.descriptors.LazyJavaPackageFragment
 import org.jetbrains.kotlin.load.java.structure.reflect.classId
+import org.jetbrains.kotlin.load.kotlin.KotlinJvmBinaryPackageSourceElement
+import org.jetbrains.kotlin.load.kotlin.reflect.ReflectKotlinClass
 import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.resolve.scopes.MemberScope
+import org.jetbrains.kotlin.serialization.deserialization.descriptors.DeserializedCallableMemberDescriptor
 import kotlin.reflect.KCallable
 
 internal class KPackageImpl(override val jClass: Class<*>, val moduleName: String) : KDeclarationContainerImpl() {
@@ -36,7 +41,12 @@ internal class KPackageImpl(override val jClass: Class<*>, val moduleName: Strin
     internal val scope: MemberScope get() = descriptor().memberScope
 
     override val members: Collection<KCallable<*>>
-        get() = getMembers(scope, declaredOnly = false, nonExtensions = true, extensions = true).toList()
+        get() = getMembers(scope, declaredOnly = false, nonExtensions = true, extensions = true).filter { member ->
+            val callableDescriptor = member.descriptor as DeserializedCallableMemberDescriptor
+            val packageFragment = callableDescriptor.containingDeclaration as PackageFragmentDescriptor
+            val source = (packageFragment as? LazyJavaPackageFragment)?.source as? KotlinJvmBinaryPackageSourceElement
+            (source?.getContainingBinaryClass(callableDescriptor) as? ReflectKotlinClass)?.klass == jClass
+        }.toList()
 
     override val constructorDescriptors: Collection<ConstructorDescriptor>
         get() = emptyList()