Debug names for type deserializaers

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

@@ -41,8 +41,8 @@ public class DescriptorDeserializer {
             @NotNull ClassResolver classResolver,
             @NotNull AnnotationDeserializer annotationDeserializer
     ) {
-        return new DescriptorDeserializer(new TypeDeserializer(null, nameResolver, classResolver), containingDeclaration, nameResolver,
-                                          annotationDeserializer);
+        return new DescriptorDeserializer(new TypeDeserializer(null, nameResolver, classResolver, "Deserializer for " + containingDeclaration),
+                                          containingDeclaration, nameResolver, annotationDeserializer);
     }
 
     @NotNull
@@ -79,7 +79,8 @@ public class DescriptorDeserializer {
 
     @NotNull
     private DescriptorDeserializer createChildDeserializer(@NotNull DeclarationDescriptor descriptor) {
-        return create(new TypeDeserializer(typeDeserializer), descriptor, nameResolver, annotationDeserializer);
+        return create(new TypeDeserializer(typeDeserializer, "Child deserializer for " + descriptor),
+                      descriptor, nameResolver, annotationDeserializer);
     }
 
     @NotNull

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

@@ -37,19 +37,23 @@ public class TypeDeserializer {
     private final IndexedSymbolTable<TypeParameterDescriptor> typeParameterDescriptors;
     private final TIntObjectHashMap<ClassDescriptor> classDescriptors = new TIntObjectHashMap<ClassDescriptor>();
 
-    public TypeDeserializer(@NotNull TypeDeserializer parent) {
-        this(parent, parent.nameResolver, parent.classResolver);
+    private final String debugName;
+
+    public TypeDeserializer(@NotNull TypeDeserializer parent, @NotNull String debugName) {
+        this(parent, parent.nameResolver, parent.classResolver, debugName);
     }
 
     public TypeDeserializer(
             @Nullable TypeDeserializer parent,
             @NotNull NameResolver nameResolver,
-            @NotNull ClassResolver classResolver
-    ) {
+            @NotNull ClassResolver classResolver,
+            @NotNull String debugName
+            ) {
         IndexedSymbolTable<TypeParameterDescriptor> parentTypeParameters = parent == null ? null : parent.typeParameterDescriptors;
         this.typeParameterDescriptors = new IndexedSymbolTable<TypeParameterDescriptor>(parentTypeParameters);
         this.nameResolver = nameResolver;
         this.classResolver = classResolver;
+        this.debugName = debugName + (parent == null ? "" : ". Child of " + parent.debugName);
     }
 
     @NotNull
@@ -221,4 +225,9 @@ public class TypeDeserializer {
         }
         return ((ClassDescriptor) descriptor).getMemberScope(typeArguments);
     }
+
+    @Override
+    public String toString() {
+        return debugName;
+    }
 }

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

@@ -74,7 +74,9 @@ public class DeserializedClassDescriptor extends ClassDescriptorBase implements
             @Nullable TypeDeserializer outerTypeDeserializer
     ) {
         this.classProto = classProto;
-        this.typeDeserializer = new TypeDeserializer(outerTypeDeserializer, nameResolver, classResolver);
+        this.name = nameResolver.getName(classProto.getName());
+
+        this.typeDeserializer = new TypeDeserializer(outerTypeDeserializer, nameResolver, classResolver, "Deserializer for class " + name);
         this.deserializer = DescriptorDeserializer.create(typeDeserializer, this, nameResolver, annotationResolver);
 
         this.containingDeclaration = containingDeclaration;
@@ -83,7 +85,6 @@ public class DeserializedClassDescriptor extends ClassDescriptorBase implements
         this.innerClassesScope = new InnerClassesScopeWrapper(memberScope);
         this.thisAsReceiverParameter = new LazyClassReceiverParameterDescriptor();
 
-        this.name = nameResolver.getName(classProto.getName());
         int flags = classProto.getFlags();
         this.modality = DescriptorDeserializer.modality(Flags.MODALITY.get(flags));
         this.visibility = DescriptorDeserializer.visibility(Flags.VISIBILITY.get(flags));