@NotNull annotations on descriptor classes

compiler/backend/src/org/jetbrains/jet/codegen/context/RootContext.java

@@ -68,6 +68,7 @@ class RootContext extends CodegenContext {
             throw new IllegalStateException();
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             throw new IllegalStateException();

compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/TypeDeserializer.java

@@ -268,6 +268,7 @@ public class TypeDeserializer {
             return descriptor != null && ErrorUtils.isError(descriptor);
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             return Collections.emptyList();

compiler/frontend/serialization/src/org/jetbrains/jet/descriptors/serialization/descriptors/DeserializedClassDescriptor.java

@@ -199,11 +199,13 @@ public class DeserializedClassDescriptor extends AbstractClassDescriptor impleme
         return annotationDeserializer.loadClassAnnotations(this, classProto);
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return annotations.invoke();
     }
 
+    @NotNull
     @Override
     protected JetScope getScopeForMemberLookup() {
         return memberScope;
@@ -359,6 +361,7 @@ public class DeserializedClassDescriptor extends AbstractClassDescriptor impleme
             return DeserializedClassDescriptor.this;
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             return Collections.emptyList(); // TODO

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyClassDescriptor.java

@@ -166,6 +166,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements LazyDesc
         });
     }
 
+    @NotNull
     @Override
     protected JetScope getScopeForMemberLookup() {
         return unsubstitutedMemberScope;
@@ -330,6 +331,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements LazyDesc
         return thisAsReceiverParameter.invoke();
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return annotations.invoke();
@@ -479,6 +481,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements LazyDesc
             return LazyClassDescriptor.this;
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             return Collections.emptyList(); // TODO

compiler/frontend/src/org/jetbrains/jet/lang/types/DeferredType.java

@@ -85,6 +85,7 @@ public class DeferredType implements JetType {
         return getActualType().isNullable();
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return getActualType().getAnnotations();

core/descriptors/src/org/jetbrains/jet/lang/descriptors/annotations/Annotated.java

@@ -16,11 +16,13 @@
 
 package org.jetbrains.jet.lang.descriptors.annotations;
 
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.ReadOnly;
 
 import java.util.List;
 
 public interface Annotated {
     @ReadOnly
+    @NotNull
     List<AnnotationDescriptor> getAnnotations();
 }

core/descriptors/src/org/jetbrains/jet/lang/descriptors/annotations/AnnotatedImpl.java

@@ -16,6 +16,8 @@
 
 package org.jetbrains.jet.lang.descriptors.annotations;
 
+import org.jetbrains.annotations.NotNull;
+
 import java.util.List;
 
 public abstract class AnnotatedImpl implements Annotated {
@@ -25,6 +27,7 @@ public abstract class AnnotatedImpl implements Annotated {
         this.annotations = annotations;
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return annotations;

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/AbstractClassDescriptor.java

@@ -33,6 +33,7 @@ public abstract class AbstractClassDescriptor implements ClassDescriptor {
         return this;
     }
 
+    @NotNull
     protected abstract JetScope getScopeForMemberLookup();
 
     @NotNull

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/AbstractLazyTypeParameterDescriptor.java

@@ -179,6 +179,7 @@ public abstract class AbstractLazyTypeParameterDescriptor implements TypeParamet
                 return AbstractLazyTypeParameterDescriptor.this;
             }
 
+            @NotNull
             @Override
             public List<AnnotationDescriptor> getAnnotations() {
                 return AbstractLazyTypeParameterDescriptor.this.getAnnotations();
@@ -248,6 +249,7 @@ public abstract class AbstractLazyTypeParameterDescriptor implements TypeParamet
         return index;
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return Collections.emptyList(); // TODO

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/LazySubstitutingClassDescriptor.java

@@ -117,6 +117,7 @@ public class LazySubstitutingClassDescriptor implements ClassDescriptor {
         return r;
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return original.getAnnotations();

core/descriptors/src/org/jetbrains/jet/lang/descriptors/impl/MutableClassDescriptorLite.java

@@ -210,6 +210,7 @@ public abstract class MutableClassDescriptorLite extends ClassDescriptorBase {
         }
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return annotations;

core/descriptors/src/org/jetbrains/jet/lang/resolve/constants/NumberValueTypeConstructor.java

@@ -49,6 +49,7 @@ public abstract class NumberValueTypeConstructor implements TypeConstructor {
         return null;
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return Collections.emptyList();

core/descriptors/src/org/jetbrains/jet/lang/types/ErrorUtils.java

@@ -406,6 +406,7 @@ public class ErrorUtils {
             return true;
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             return Collections.emptyList();

core/descriptors/src/org/jetbrains/jet/lang/types/JetTypeImpl.java

@@ -57,6 +57,7 @@ public final class JetTypeImpl extends AbstractJetType {
                 classDescriptor.getMemberScope(Collections.<TypeProjection>emptyList()));
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         return annotations;

core/descriptors/src/org/jetbrains/jet/lang/types/NamespaceType.java

@@ -78,6 +78,7 @@ public class NamespaceType implements JetType {
         return false;
     }
 
+    @NotNull
     @Override
     public List<AnnotationDescriptor> getAnnotations() {
         throwException();

core/descriptors/src/org/jetbrains/jet/lang/types/TypeUtils.java

@@ -84,6 +84,7 @@ public class TypeUtils {
             return false;
         }
 
+        @NotNull
         @Override
         public List<AnnotationDescriptor> getAnnotations() {
             throw new IllegalStateException(name);