Introduced package view and fragment classes.

compiler/tests/org/jetbrains/jet/jvm/compiler/ExpectedLoadErrorsUtil.java

@@ -65,6 +65,11 @@ public class ExpectedLoadErrorsUtil {
                 return visitDeclarationRecursively(descriptor, descriptor.getMemberScope());
             }
 
+            @Override
+            public Void visitPackageViewDescriptor(PackageViewDescriptor descriptor, Void data) {
+                return visitDeclarationRecursively(descriptor, descriptor.getMemberScope());
+            }
+
             @Override
             public Void visitClassDescriptor(ClassDescriptor descriptor, Void data) {
                 return visitDeclarationRecursively(descriptor, descriptor.getDefaultType().getMemberScope());

compiler/tests/org/jetbrains/jet/jvm/compiler/JdkAnnotationsValidityTest.java

@@ -183,6 +183,11 @@ public class JdkAnnotationsValidityTest extends UsefulTestCase {
             return visitDeclarationRecursively(descriptor, descriptor.getMemberScope());
         }
 
+        @Override
+        public Void visitPackageViewDescriptor(PackageViewDescriptor descriptor, Void data) {
+            return visitDeclarationRecursively(descriptor, descriptor.getMemberScope());
+        }
+
         @Override
         public Void visitClassDescriptor(ClassDescriptor descriptor, Void data) {
             // skip java.util.Collection, etc.

compiler/tests/org/jetbrains/jet/test/util/DescriptorValidator.java

@@ -182,6 +182,22 @@ public class DescriptorValidator {
             return true;
         }
 
+        @Override
+        public Boolean visitPackageFragmentDescriptor(
+                PackageFragmentDescriptor descriptor, DiagnosticCollector collector
+        ) {
+            validateScope(descriptor.getMemberScope(), collector);
+            return true;
+        }
+
+        @Override
+        public Boolean visitPackageViewDescriptor(
+                PackageViewDescriptor descriptor, DiagnosticCollector collector
+        ) {
+            validateScope(descriptor.getMemberScope(), collector);
+            return true;
+        }
+
         @Override
         public Boolean visitVariableDescriptor(
                 VariableDescriptor descriptor, DiagnosticCollector collector
@@ -368,6 +384,22 @@ public class DescriptorValidator {
             return null;
         }
 
+        @Override
+        public Void visitPackageFragmentDescriptor(
+                PackageFragmentDescriptor descriptor, JetScope scope
+        ) {
+            return null;
+        }
+
+        @Override
+        public Void visitPackageViewDescriptor(
+                PackageViewDescriptor descriptor, JetScope scope
+        ) {
+            // TODO
+            //assertFound(scope, descriptor, scope.getPackage(descriptor.getName()));
+            return null;
+        }
+
         @Override
         public Void visitVariableDescriptor(
                 VariableDescriptor descriptor, JetScope scope

compiler/tests/org/jetbrains/jet/test/util/RecursiveDescriptorProcessor.java

@@ -65,6 +65,18 @@ public class RecursiveDescriptorProcessor {
                    && visitChildren(descriptor.getValueParameters(), data);
         }
 
+        @Override
+        public Boolean visitPackageFragmentDescriptor(PackageFragmentDescriptor descriptor, D data) {
+            return applyWorker(descriptor, data)
+                   && visitChildren(descriptor.getMemberScope().getAllDescriptors(), data);
+        }
+
+        @Override
+        public Boolean visitPackageViewDescriptor(PackageViewDescriptor descriptor, D data) {
+            return applyWorker(descriptor, data)
+                   && visitChildren(descriptor.getMemberScope().getAllDescriptors(), data);
+        }
+
         @Override
         public Boolean visitNamespaceDescriptor(NamespaceDescriptor descriptor, D data) {
             return applyWorker(descriptor, data)

compiler/tests/org/jetbrains/jet/test/util/RecursiveDescriptorProcessorTest.java

@@ -97,6 +97,20 @@ public class RecursiveDescriptorProcessorTest extends KotlinTestWithEnvironment
                 return true;
             }
 
+            @Override
+            public Boolean visitPackageFragmentDescriptor(
+                    PackageFragmentDescriptor descriptor, Void data
+            ) {
+                add(descriptor);
+                return true;
+            }
+
+            @Override
+            public Boolean visitPackageViewDescriptor(PackageViewDescriptor descriptor, Void data) {
+                add(descriptor);
+                return true;
+            }
+
             @Override
             public Boolean visitVariableDescriptor(VariableDescriptor descriptor, Void data) {
                 add(descriptor);