LTDA: Refactoring - extract processClassOrObject method from TDA

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

@@ -16,7 +16,6 @@
 
 package org.jetbrains.jet.lang.resolve;
 
-import com.google.common.base.Predicates;
 import com.google.common.collect.Sets;
 import com.intellij.openapi.project.Project;
 import com.intellij.psi.PsiElement;
@@ -24,16 +23,14 @@ import kotlin.Function1;
 import kotlin.KotlinPackage;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.context.GlobalContext;
-import org.jetbrains.jet.di.InjectorForTopDownAnalyzerBasic;
-import org.jetbrains.jet.lang.descriptors.*;
+import org.jetbrains.jet.lang.descriptors.ClassDescriptorWithResolutionScopes;
+import org.jetbrains.jet.lang.descriptors.ModuleDescriptor;
+import org.jetbrains.jet.lang.descriptors.PackageFragmentProvider;
 import org.jetbrains.jet.lang.descriptors.impl.*;
-import org.jetbrains.jet.lang.psi.JetClassOrObject;
 import org.jetbrains.jet.lang.psi.JetFile;
 import org.jetbrains.jet.lang.resolve.name.FqName;
 import org.jetbrains.jet.lang.resolve.scopes.JetScope;
 import org.jetbrains.jet.lang.resolve.scopes.WritableScope;
-import org.jetbrains.jet.lang.types.expressions.ExpressionTypingContext;
 
 import javax.inject.Inject;
 import java.util.*;
@@ -173,69 +170,6 @@ public class TopDownAnalyzer {
         }
     }
 
-    public static void processClassOrObject(
-            @NotNull GlobalContext globalContext,
-            @Nullable final WritableScope scope,
-            @NotNull ExpressionTypingContext context,
-            @NotNull final DeclarationDescriptor containingDeclaration,
-            @NotNull JetClassOrObject object,
-            @NotNull AdditionalCheckerProvider additionalCheckerProvider
-    ) {
-        TopDownAnalysisParameters topDownAnalysisParameters =
-                TopDownAnalysisParameters.createForLocalDeclarations(
-                        globalContext.getStorageManager(),
-                        globalContext.getExceptionTracker(),
-                        Predicates.equalTo(object.getContainingFile())
-                );
-
-        InjectorForTopDownAnalyzerBasic injector = new InjectorForTopDownAnalyzerBasic(
-                object.getProject(),
-                topDownAnalysisParameters,
-                context.trace,
-                DescriptorUtils.getContainingModule(containingDeclaration),
-                additionalCheckerProvider
-        );
-
-        TopDownAnalysisContext c = new TopDownAnalysisContext(topDownAnalysisParameters);
-        c.setOuterDataFlowInfo(context.dataFlowInfo);
-
-        injector.getTopDownAnalyzer().doProcess(
-               c,
-               context.scope,
-               new PackageLikeBuilder() {
-
-                   @NotNull
-                   @Override
-                   public DeclarationDescriptor getOwnerForChildren() {
-                       return containingDeclaration;
-                   }
-
-                   @Override
-                   public void addClassifierDescriptor(@NotNull MutableClassDescriptor classDescriptor) {
-                       if (scope != null) {
-                           scope.addClassifierDescriptor(classDescriptor);
-                       }
-                   }
-
-                   @Override
-                   public void addFunctionDescriptor(@NotNull SimpleFunctionDescriptor functionDescriptor) {
-                       throw new UnsupportedOperationException();
-                   }
-
-                   @Override
-                   public void addPropertyDescriptor(@NotNull PropertyDescriptor propertyDescriptor) {
-
-                   }
-
-                   @Override
-                   public ClassObjectStatus setClassObjectDescriptor(@NotNull MutableClassDescriptor classObjectDescriptor) {
-                       return ClassObjectStatus.NOT_ALLOWED;
-                   }
-               },
-               Collections.<PsiElement>singletonList(object)
-        );
-    }
-
     @NotNull
     public TopDownAnalysisContext analyzeFiles(
             @NotNull TopDownAnalysisParameters topDownAnalysisParameters,

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ClosureExpressionsTypingVisitor.java

@@ -85,11 +85,12 @@ public class ClosureExpressionsTypingVisitor extends ExpressionTypingVisitor {
         };
         ObservableBindingTrace traceAdapter = new ObservableBindingTrace(temporaryTrace);
         traceAdapter.addHandler(CLASS, handler);
-        TopDownAnalyzer.processClassOrObject(components.globalContext,
-                                             null, // don't need to add classifier of object literal to any scope
-                                             context.replaceBindingTrace(traceAdapter).replaceContextDependency(INDEPENDENT),
-                                             context.scope.getContainingDeclaration(),
-                                             expression.getObjectDeclaration(), components.additionalCheckerProvider);
+        LocalClassifierAnalyzer.processClassOrObject(components.globalContext,
+                                                     null, // don't need to add classifier of object literal to any scope
+                                                     context.replaceBindingTrace(traceAdapter).replaceContextDependency(INDEPENDENT),
+                                                     context.scope.getContainingDeclaration(),
+                                                     expression.getObjectDeclaration(),
+                                                     components.additionalCheckerProvider);
 
         DelegatingBindingTrace cloneDelta = new DelegatingBindingTrace(
                 new BindingTraceContext().getBindingContext(), "cached delta trace for object literal expression resolve", expression);

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/ExpressionTypingVisitorForStatements.java

@@ -84,7 +84,7 @@ public class ExpressionTypingVisitorForStatements extends ExpressionTypingVisito
 
     @Override
     public JetTypeInfo visitObjectDeclaration(@NotNull JetObjectDeclaration declaration, ExpressionTypingContext context) {
-        TopDownAnalyzer.processClassOrObject(
+        LocalClassifierAnalyzer.processClassOrObject(
                 components.globalContext,
                 scope, context.replaceScope(scope).replaceContextDependency(INDEPENDENT), scope.getContainingDeclaration(), declaration,
                 components.additionalCheckerProvider);
@@ -181,7 +181,7 @@ public class ExpressionTypingVisitorForStatements extends ExpressionTypingVisito
 
     @Override
     public JetTypeInfo visitClass(@NotNull JetClass klass, ExpressionTypingContext context) {
-        TopDownAnalyzer.processClassOrObject(
+        LocalClassifierAnalyzer.processClassOrObject(
                 components.globalContext,
                 scope, context.replaceScope(scope).replaceContextDependency(INDEPENDENT), scope.getContainingDeclaration(), klass,
                 components.additionalCheckerProvider);

compiler/frontend/src/org/jetbrains/jet/lang/types/expressions/LocalClassifierAnalyzer.java

@@ -0,0 +1,102 @@
+/*
+ * Copyright 2010-2014 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.types.expressions;
+
+import com.google.common.base.Predicates;
+import com.intellij.psi.PsiElement;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.jetbrains.jet.context.GlobalContext;
+import org.jetbrains.jet.di.InjectorForTopDownAnalyzerBasic;
+import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
+import org.jetbrains.jet.lang.descriptors.PropertyDescriptor;
+import org.jetbrains.jet.lang.descriptors.SimpleFunctionDescriptor;
+import org.jetbrains.jet.lang.descriptors.impl.MutableClassDescriptor;
+import org.jetbrains.jet.lang.descriptors.impl.PackageLikeBuilder;
+import org.jetbrains.jet.lang.psi.JetClassOrObject;
+import org.jetbrains.jet.lang.resolve.AdditionalCheckerProvider;
+import org.jetbrains.jet.lang.resolve.DescriptorUtils;
+import org.jetbrains.jet.lang.resolve.TopDownAnalysisContext;
+import org.jetbrains.jet.lang.resolve.TopDownAnalysisParameters;
+import org.jetbrains.jet.lang.resolve.scopes.WritableScope;
+
+import java.util.Collections;
+
+/* package */ class LocalClassifierAnalyzer {
+    public static void processClassOrObject(
+            @NotNull GlobalContext globalContext,
+            @Nullable final WritableScope scope,
+            @NotNull ExpressionTypingContext context,
+            @NotNull final DeclarationDescriptor containingDeclaration,
+            @NotNull JetClassOrObject object,
+            @NotNull AdditionalCheckerProvider additionalCheckerProvider
+    ) {
+        TopDownAnalysisParameters topDownAnalysisParameters =
+                TopDownAnalysisParameters.createForLocalDeclarations(
+                        globalContext.getStorageManager(),
+                        globalContext.getExceptionTracker(),
+                        Predicates.equalTo(object.getContainingFile())
+                );
+
+        InjectorForTopDownAnalyzerBasic injector = new InjectorForTopDownAnalyzerBasic(
+                object.getProject(),
+                topDownAnalysisParameters,
+                context.trace,
+                DescriptorUtils.getContainingModule(containingDeclaration),
+                additionalCheckerProvider
+        );
+
+        TopDownAnalysisContext c = new TopDownAnalysisContext(topDownAnalysisParameters);
+        c.setOuterDataFlowInfo(context.dataFlowInfo);
+
+        injector.getTopDownAnalyzer().doProcess(
+               c,
+               context.scope,
+               new PackageLikeBuilder() {
+
+                   @NotNull
+                   @Override
+                   public DeclarationDescriptor getOwnerForChildren() {
+                       return containingDeclaration;
+                   }
+
+                   @Override
+                   public void addClassifierDescriptor(@NotNull MutableClassDescriptor classDescriptor) {
+                       if (scope != null) {
+                           scope.addClassifierDescriptor(classDescriptor);
+                       }
+                   }
+
+                   @Override
+                   public void addFunctionDescriptor(@NotNull SimpleFunctionDescriptor functionDescriptor) {
+                       throw new UnsupportedOperationException();
+                   }
+
+                   @Override
+                   public void addPropertyDescriptor(@NotNull PropertyDescriptor propertyDescriptor) {
+
+                   }
+
+                   @Override
+                   public ClassObjectStatus setClassObjectDescriptor(@NotNull MutableClassDescriptor classObjectDescriptor) {
+                       return null;
+                   }
+               },
+               Collections.<PsiElement>singletonList(object)
+        );
+    }
+}