/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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.apache.bcel.classfile;
  
  /**
   * Interface to make use of the Visitor pattern programming style. I.e. a class that implements this interface can
   * traverse the contents of a Java class just by calling the 'accept' method which all classes have.
   */
  public interface Visitor {
      /**
       * @since 6.0
       */
      void visitAnnotation(Annotations obj);
  
      /**
       * @since 6.0
       */
      void visitAnnotationDefault(AnnotationDefault obj);
  
      /**
       * @since 6.0
       */
      void visitAnnotationEntry(AnnotationEntry obj);
  
      /**
       * @since 6.0
       */
      void visitBootstrapMethods(BootstrapMethods obj);
  
      void visitCode(Code obj);
  
      void visitCodeException(CodeException obj);
  
      void visitConstantClass(ConstantClass obj);
  
      void visitConstantDouble(ConstantDouble obj);
  
      /**
       * @since 6.3
       */
      default void visitConstantDynamic(final ConstantDynamic constantDynamic) {
          // empty
      }
  
      void visitConstantFieldref(ConstantFieldref obj);
  
      void visitConstantFloat(ConstantFloat obj);
  
      void visitConstantInteger(ConstantInteger obj);
  
      void visitConstantInterfaceMethodref(ConstantInterfaceMethodref obj);
  
      void visitConstantInvokeDynamic(ConstantInvokeDynamic obj);
  
      void visitConstantLong(ConstantLong obj);
  
      /**
       * @since 6.0
       */
      void visitConstantMethodHandle(ConstantMethodHandle obj);
  
      void visitConstantMethodref(ConstantMethodref obj);
  
      /**
       * @since 6.0
       */
      void visitConstantMethodType(ConstantMethodType obj);
  
      /**
       * @since 6.1
       */
      void visitConstantModule(ConstantModule constantModule);
  
      void visitConstantNameAndType(ConstantNameAndType obj);
  
      /**
       * @since 6.1
       */
      void visitConstantPackage(ConstantPackage constantPackage);
  
      void visitConstantPool(ConstantPool obj);
  
      void visitConstantString(ConstantString obj);
  
      void visitConstantUtf8(ConstantUtf8 obj);
 
     void visitConstantValue(ConstantValue obj);
 
     void visitDeprecated(Deprecated obj);
 
     /**
      * @since 6.0
      */
     void visitEnclosingMethod(EnclosingMethod obj);
 
     void visitExceptionTable(ExceptionTable obj);
 
     void visitField(Field obj);
 
     void visitInnerClass(InnerClass obj);
 
     void visitInnerClasses(InnerClasses obj);
 
     void visitJavaClass(JavaClass obj);
 
     void visitLineNumber(LineNumber obj);
 
     void visitLineNumberTable(LineNumberTable obj);
 
     void visitLocalVariable(LocalVariable obj);
 
     void visitLocalVariableTable(LocalVariableTable obj);
 
     /**
      * @since 6.0
      */
     void visitLocalVariableTypeTable(LocalVariableTypeTable obj);
 
     void visitMethod(Method obj);
 
     /**
      * @since 6.4.0
      */
     default void visitMethodParameter(final MethodParameter obj) {
         // empty
     }
 
     /**
      * @since 6.0
      */
     void visitMethodParameters(MethodParameters obj);
 
     /**
      * @since 6.4.0
      */
     default void visitModule(final Module constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModuleExports(final ModuleExports constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModuleMainClass(final ModuleMainClass obj) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModuleOpens(final ModuleOpens constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModulePackages(final ModulePackages constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModuleProvides(final ModuleProvides constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitModuleRequires(final ModuleRequires constantModule) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitNestHost(final NestHost obj) {
         // empty
     }
 
     /**
      * @since 6.4.0
      */
     default void visitNestMembers(final NestMembers obj) {
         // empty
     }
 
     /**
      * @since 6.0
      */
     void visitParameterAnnotation(ParameterAnnotations obj);
 
     /**
      * @since 6.0
      */
     void visitParameterAnnotationEntry(ParameterAnnotationEntry obj);
 
     void visitSignature(Signature obj);
 
     void visitSourceFile(SourceFile obj);
 
     void visitStackMap(StackMap obj);
 
     void visitStackMapEntry(StackMapEntry obj);
 
     /**
      * Visits a {@link StackMapType} object.
      * @param obj object to visit
      * @since 6.8.0
      */
     default void visitStackMapType(final StackMapType obj) {
       // empty
     }
 
     void visitSynthetic(Synthetic obj);
 
     void visitUnknown(Unknown obj);
 }