store namespace kind in trace, kill some JavaNamespaceDescriptor usages

JavaNamespaceDescriptor will be killed soon

compiler/backend/src/org/jetbrains/jet/codegen/JetTypeMapper.java

@@ -27,6 +27,7 @@ import org.jetbrains.jet.lang.descriptors.*;
 import org.jetbrains.jet.lang.psi.*;
 import org.jetbrains.jet.lang.resolve.BindingContext;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
+import org.jetbrains.jet.lang.resolve.FqName;
 import org.jetbrains.jet.lang.resolve.java.*;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ReceiverDescriptor;
 import org.jetbrains.jet.lang.types.*;
@@ -112,11 +113,8 @@ public class JetTypeMapper {
     public String getOwner(DeclarationDescriptor descriptor, OwnerKind kind) {
         String owner;
         DeclarationDescriptor containingDeclaration = descriptor.getContainingDeclaration();
-        if (containingDeclaration instanceof JavaNamespaceDescriptor) {
+        if (containingDeclaration instanceof NamespaceDescriptor) {
-            JavaNamespaceDescriptor javaNamespaceDescriptor = (JavaNamespaceDescriptor) containingDeclaration;
+            owner = jvmClassNameForNamespace((NamespaceDescriptor) containingDeclaration);
-            owner = NamespaceCodegen.getJVMClassName(DescriptorUtils.getFQName(containingDeclaration).toSafe(), javaNamespaceDescriptor.isNamespace());
-        } else if (containingDeclaration instanceof NamespaceDescriptor) {
-            owner = NamespaceCodegen.getJVMClassName(DescriptorUtils.getFQName(containingDeclaration).toSafe(), true);
         }
         else if (containingDeclaration instanceof ClassDescriptor) {
             ClassDescriptor classDescriptor = (ClassDescriptor) containingDeclaration;
@@ -140,6 +138,29 @@ public class JetTypeMapper {
         return owner;
     }
 
+    private String jvmClassNameForNamespace(NamespaceDescriptor namespace) {
+        FqName fqName = DescriptorUtils.getFQName(namespace).toSafe();
+        Boolean javaClassStatics = bindingContext.get(JavaBindingContext.NAMESPACE_IS_CLASS_STATICS, namespace);
+        Boolean src = bindingContext.get(BindingContext.NAMESPACE_IS_SRC, namespace);
+
+        if (javaClassStatics == null && src == null) {
+            throw new IllegalStateException("unknown namespace origin: " + fqName);
+        }
+
+        boolean classStatics;
+        if (javaClassStatics != null) {
+            if (javaClassStatics.booleanValue() && src != null) {
+                throw new IllegalStateException(
+                        "conflicting namespace " + fqName + ": it is both java statics and from src");
+            }
+            classStatics = javaClassStatics.booleanValue();
+        } else {
+            classStatics = false;
+        }
+
+        return NamespaceCodegen.getJVMClassName(fqName, !classStatics);
+    }
+
     @NotNull public Type mapReturnType(@NotNull final JetType jetType) {
         return mapReturnType(jetType, null);
     }
@@ -218,12 +239,9 @@ public class JetTypeMapper {
             if (container instanceof ModuleDescriptor) {
                 throw new IllegalStateException("missed something");
             }
-            if(container instanceof JavaNamespaceDescriptor && JavaDescriptorResolver.JAVA_ROOT.equals(container.getName())) {
-                return name;
-            }
             String baseName = getFQName(container);
             if (!baseName.isEmpty()) { 
-                return baseName + (container instanceof JavaNamespaceDescriptor || container instanceof NamespaceDescriptor ? "/" : "$") + name;
+                return baseName + (container instanceof NamespaceDescriptor ? "/" : "$") + name;
             }
         }
 
@@ -391,11 +409,7 @@ public class JetTypeMapper {
         ClassDescriptor thisClass;
         if (functionParent instanceof NamespaceDescriptor) {
             assert !superCall;
-            boolean namespace = true;
+            owner = jvmClassNameForNamespace((NamespaceDescriptor) functionParent);
-            if (functionParent instanceof JavaNamespaceDescriptor) {
-                namespace = ((JavaNamespaceDescriptor) functionParent).isNamespace();
-            }
-            owner = NamespaceCodegen.getJVMClassName(DescriptorUtils.getFQName(functionParent).toSafe(), namespace);
             ownerForDefaultImpl = ownerForDefaultParam = owner;
             invokeOpcode = INVOKESTATIC;
             thisClass = null;

compiler/frontend.java/src/org/jetbrains/jet/di/InjectorForJavaSemanticServices.java

@@ -55,6 +55,7 @@ public class InjectorForJavaSemanticServices {
         this.javaDescriptorResolver.setNamespaceFactory(namespaceFactoryImpl);
         this.javaDescriptorResolver.setProject(project);
         this.javaDescriptorResolver.setSemanticServices(javaSemanticServices);
+        this.javaDescriptorResolver.setTrace(bindingTrace);
 
         javaBridgeConfiguration.setJavaSemanticServices(javaSemanticServices);
         javaBridgeConfiguration.setProject(project);

compiler/frontend.java/src/org/jetbrains/jet/di/InjectorForTopDownAnalyzerForJvm.java

@@ -190,6 +190,7 @@ public class InjectorForTopDownAnalyzerForJvm {
         javaDescriptorResolver.setNamespaceFactory(namespaceFactoryImpl);
         javaDescriptorResolver.setProject(project);
         javaDescriptorResolver.setSemanticServices(javaSemanticServices);
+        javaDescriptorResolver.setTrace(observableBindingTrace);
 
         javaTypeTransformer.setJavaSemanticServices(javaSemanticServices);
         javaTypeTransformer.setResolver(javaDescriptorResolver);

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaBindingContext.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2010-2012 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.jet.lang.resolve.java;
+
+import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
+import org.jetbrains.jet.lang.resolve.BindingContext;
+import org.jetbrains.jet.util.slicedmap.Slices;
+import org.jetbrains.jet.util.slicedmap.WritableSlice;
+
+/**
+ * @author Stepan Koltsov
+ *
+ * @see BindingContext
+ */
+public class JavaBindingContext {
+
+    /**
+     * @see BindingContext#NAMESPACE_IS_SRC
+     */
+    public static final WritableSlice<NamespaceDescriptor, Boolean> NAMESPACE_IS_CLASS_STATICS =
+            Slices.createSimpleSlice();
+
+}

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -905,6 +905,7 @@ public class JavaDescriptorResolver {
                 name == null ? FqName.ROOT : new FqName(psiPackage.getQualifiedName()),
                 true
         );
+        trace.record(JavaBindingContext.NAMESPACE_IS_CLASS_STATICS, namespaceData.namespaceDescriptor, false);
 
         namespaceData.namespaceDescriptor.setMemberScope(createJavaPackageScope(new FqName(psiPackage.getQualifiedName()), namespaceData.namespaceDescriptor));
         trace.record(BindingContext.NAMESPACE, psiPackage, namespaceData.namespaceDescriptor);
@@ -942,6 +943,8 @@ public class JavaDescriptorResolver {
                 new FqName(psiClass.getQualifiedName()),
                 false
         );
+        trace.record(JavaBindingContext.NAMESPACE_IS_CLASS_STATICS, namespaceData.namespaceDescriptor, true);
+
         namespaceData.namespaceDescriptor.setMemberScope(new JavaClassMembersScope(namespaceData.namespaceDescriptor, psiClass, semanticServices, true));
         trace.record(BindingContext.NAMESPACE, psiClass, namespaceData.namespaceDescriptor);
         return namespaceData;

compiler/frontend/src/org/jetbrains/jet/lang/resolve/BindingContext.java

@@ -174,6 +174,11 @@ public interface BindingContext {
     WritableSlice<FqName, ClassDescriptor> FQNAME_TO_CLASS_DESCRIPTOR = new BasicWritableSlice<FqName, ClassDescriptor>(DO_NOTHING, true);
     WritableSlice<FqName, NamespaceDescriptor> FQNAME_TO_NAMESPACE_DESCRIPTOR = new BasicWritableSlice<FqName, NamespaceDescriptor>(DO_NOTHING);
 
+    /**
+     * Each namespace found in src must be registered here.
+     */
+    WritableSlice<NamespaceDescriptor, Boolean> NAMESPACE_IS_SRC = Slices.createSimpleSlice();
+    
     WritableSlice<ClassDescriptor, Boolean> INCOMPLETE_HIERARCHY = Slices.createCollectiveSetSlice();
 
     @SuppressWarnings("UnusedDeclaration")

compiler/frontend/src/org/jetbrains/jet/lang/resolve/NamespaceFactoryImpl.java

@@ -80,6 +80,7 @@ public class NamespaceFactoryImpl implements NamespaceFactory {
             String namespaceName = JetPsiUtil.safeName(nameExpression.getReferencedName());
 
             NamespaceDescriptorImpl namespaceDescriptor = createNamespaceDescriptorIfNeeded(null, currentOwner, namespaceName, false);
+            trace.record(BindingContext.NAMESPACE_IS_SRC, namespaceDescriptor, true);
 
             currentOwner = namespaceDescriptor;
 
@@ -92,7 +93,10 @@ public class NamespaceFactoryImpl implements NamespaceFactory {
         String name = JetPsiUtil.safeName(namespaceHeader.getName());
         trace.record(RESOLUTION_SCOPE, namespaceHeader, outerScope);
 
-        return createNamespaceDescriptorIfNeeded(file, currentOwner, name, false);
+        NamespaceDescriptorImpl namespaceDescriptor = createNamespaceDescriptorIfNeeded(file, currentOwner, name, false);
+        trace.record(BindingContext.NAMESPACE_IS_SRC, namespaceDescriptor, true);
+
+        return namespaceDescriptor;
     }
 
     @Override

compiler/tests/org/jetbrains/jet/compiler/NamespaceComparator.java

@@ -19,23 +19,9 @@ package org.jetbrains.jet.compiler;
 import com.google.common.io.Files;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.jet.codegen.PropertyCodegen;
-import org.jetbrains.jet.lang.descriptors.ClassDescriptor;
+import org.jetbrains.jet.lang.descriptors.*;
-import org.jetbrains.jet.lang.descriptors.ClassKind;
-import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
-import org.jetbrains.jet.lang.descriptors.ConstructorDescriptor;
-import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
-import org.jetbrains.jet.lang.descriptors.FunctionDescriptor;
-import org.jetbrains.jet.lang.descriptors.Modality;
-import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
-import org.jetbrains.jet.lang.descriptors.NamespaceDescriptor;
-import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
-import org.jetbrains.jet.lang.descriptors.TypeParameterDescriptor;
-import org.jetbrains.jet.lang.descriptors.ValueParameterDescriptor;
-import org.jetbrains.jet.lang.descriptors.VariableDescriptor;
 import org.jetbrains.jet.lang.descriptors.annotations.AnnotationDescriptor;
 import org.jetbrains.jet.lang.resolve.DescriptorUtils;
-import org.jetbrains.jet.lang.resolve.java.JavaDescriptorResolver;
-import org.jetbrains.jet.lang.resolve.java.JavaNamespaceDescriptor;
 import org.jetbrains.jet.lang.resolve.scopes.JetScope;
 import org.jetbrains.jet.lang.resolve.scopes.receivers.ExtensionReceiver;
 import org.jetbrains.jet.lang.types.JetType;
@@ -43,16 +29,13 @@ import org.jetbrains.jet.lang.types.TypeProjection;
 import org.jetbrains.jet.lang.types.Variance;
 import org.junit.Assert;
 
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.IOException;
+import java.io.StringReader;
 import java.lang.reflect.Method;
 import java.nio.charset.Charset;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
 
 /**
  * @author Stepan Koltsov
@@ -457,8 +440,7 @@ class NamespaceComparator {
     }
 
     private static boolean isRootNs(DeclarationDescriptor ns) {
-        // upyachka
+        return ns instanceof NamespaceDescriptor && ns.getContainingDeclaration() instanceof ModuleDescriptor;
-        return ns instanceof JavaNamespaceDescriptor && JavaDescriptorResolver.JAVA_ROOT.equals(ns.getName());
     }
 
     private static class NamespacePrefixSerializer extends Serializer {