示例#1
0
  /**
   * Marks the hierarchy of implementing or overriding methods corresponding to the given method, if
   * any.
   */
  protected void markMethodHierarchy(Clazz clazz, Method method) {
    int accessFlags = method.getAccessFlags();
    if ((accessFlags & (ClassConstants.ACC_PRIVATE | ClassConstants.ACC_STATIC)) == 0
        && !ClassUtil.isInitializer(method.getName(clazz))) {
      // We can skip private and static methods in the hierarchy, and
      // also abstract methods, unless they might widen a current
      // non-public access.
      int requiredUnsetAccessFlags =
          ClassConstants.ACC_PRIVATE
              | ClassConstants.ACC_STATIC
              | ((accessFlags & ClassConstants.ACC_PUBLIC) == 0 ? 0 : ClassConstants.ACC_ABSTRACT);

      clazz.accept(
          new ConcreteClassDownTraveler(
              new ClassHierarchyTraveler(
                  true,
                  true,
                  false,
                  true,
                  new NamedMethodVisitor(
                      method.getName(clazz),
                      method.getDescriptor(clazz),
                      new MemberAccessFilter(0, requiredUnsetAccessFlags, this)))));
    }
  }
示例#2
0
  public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) {
    //        DEBUG =
    //            clazz.getName().equals("abc/Def") &&
    //            method.getName(clazz).equals("abc");

    // The minimum variable size is determined by the arguments.
    codeAttribute.u2maxLocals =
        ClassUtil.internalMethodParameterSize(method.getDescriptor(clazz), method.getAccessFlags());

    if (DEBUG) {
      System.out.println(
          "VariableSizeUpdater: "
              + clazz.getName()
              + "."
              + method.getName(clazz)
              + method.getDescriptor(clazz));
      System.out.println("  Max locals: " + codeAttribute.u2maxLocals + " <- parameters");
    }

    // Go over all instructions.
    codeAttribute.instructionsAccept(clazz, method, this);

    // Remove the unused variables of the attributes.
    codeAttribute.attributesAccept(clazz, method, variableCleaner);
  }
示例#3
0
  /**
   * Marks the hierarchy of implementing or overriding methods corresponding to the given method, if
   * any.
   */
  protected void markMethodHierarchy(Clazz clazz, Method method) {
    int accessFlags = method.getAccessFlags();
    if ((accessFlags & (ClassConstants.ACC_PRIVATE | ClassConstants.ACC_STATIC)) == 0
        && !ClassUtil.isInitializer(method.getName(clazz))) {
      // We can skip private and static methods in the hierarchy, and
      // also abstract methods, unless they might widen a current
      // non-public access.
      int requiredUnsetAccessFlags =
          ClassConstants.ACC_PRIVATE
              | ClassConstants.ACC_STATIC
              | ((accessFlags & ClassConstants.ACC_PUBLIC) == 0 ? 0 : ClassConstants.ACC_ABSTRACT);

      // Mark default implementations in interfaces down the hierarchy.
      // TODO: This may be premature if there aren't any concrete implementing classes.
      clazz.accept(
          new ClassAccessFilter(
              ClassConstants.ACC_ABSTRACT,
              0,
              new ClassHierarchyTraveler(
                  false,
                  false,
                  false,
                  true,
                  new ProgramClassFilter(
                      new ClassAccessFilter(
                          ClassConstants.ACC_ABSTRACT,
                          0,
                          new NamedMethodVisitor(
                              method.getName(clazz),
                              method.getDescriptor(clazz),
                              new MemberAccessFilter(
                                  0, requiredUnsetAccessFlags, defaultMethodUsageMarker)))))));

      // Mark other implementations.
      clazz.accept(
          new ConcreteClassDownTraveler(
              new ClassHierarchyTraveler(
                  true,
                  true,
                  false,
                  true,
                  new NamedMethodVisitor(
                      method.getName(clazz),
                      method.getDescriptor(clazz),
                      new MemberAccessFilter(0, requiredUnsetAccessFlags, this)))));
    }
  }
示例#4
0
 /**
  * Marks the hierarchy of implementing or overriding methods corresponding to the given method, if
  * any.
  */
 protected void markMethodHierarchy(Clazz clazz, Method method) {
   if ((method.getAccessFlags()
           & (ClassConstants.INTERNAL_ACC_PRIVATE | ClassConstants.INTERNAL_ACC_STATIC))
       == 0) {
     clazz.accept(
         new ConcreteClassDownTraveler(
             new ClassHierarchyTraveler(
                 true,
                 true,
                 false,
                 true,
                 new NamedMethodVisitor(
                     method.getName(clazz),
                     method.getDescriptor(clazz),
                     new MemberAccessFilter(
                         0,
                         ClassConstants.INTERNAL_ACC_PRIVATE
                             | ClassConstants.INTERNAL_ACC_STATIC
                             | ClassConstants.INTERNAL_ACC_ABSTRACT,
                         this)))));
   }
 }