content: /*
   * Copyright 2016 HuntBugs contributors
   * 
   * 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 one.util.huntbugs.detect;
  
  import com.strobel.assembler.metadata.MemberReference;
  import com.strobel.assembler.metadata.TypeDefinition;
  import com.strobel.assembler.metadata.TypeReference;
  import com.strobel.decompiler.ast.Expression;
  
  import one.util.huntbugs.registry.MethodContext;
  import one.util.huntbugs.registry.anno.AstNodes;
  import one.util.huntbugs.registry.anno.AstVisitor;
  import one.util.huntbugs.registry.anno.WarningDefinition;
  import one.util.huntbugs.util.NodeChain;
  import one.util.huntbugs.util.Types;
  import one.util.huntbugs.warning.Roles;
  
  /**
   * @author lan
   *
   */
  @WarningDefinition(category="Multithreading", name="InitializerRefersSubclass", maxScore=40)
  public class InitializerRefersSubclass {
      @AstVisitor(nodes=AstNodes.EXPRESSIONS, methodName="<clinit>")
      public void visit(Expression expr, NodeChain nc, MethodContext mc, TypeDefinition td) {
          if(expr.getOperand() instanceof MemberReference) {
              MemberReference mr = (MemberReference) expr.getOperand();
              TypeReference tr = mr.getDeclaringType();
              TypeDefinition subType = tr == null ? null : tr.resolve();
              if (subType != null && (subType.isAnonymous() || subType.isLocalClass())) {
                  subType = subType.getBaseType().resolve();
              }
              if (subType != null && !td.isEquivalentTo(subType) && Types.isInstance(subType, td) && nc
                      .getLambdaMethod() == null) {
                  mc.report("InitializerRefersSubclass", td.isNonPublic() || subType.isNonPublic() ? 5 : 0, expr,
                      Roles.SUBCLASS.create(subType));
              }
          }
      }
  }
  