public void methodsAccept(MemberVisitor memberVisitor) {
   for (int index = 0; index < methods.length; index++) {
     Method method = methods[index];
     if (method != null) {
       method.accept(this, memberVisitor);
     }
   }
 }
 public void methodAccept(String name, String descriptor, MemberVisitor memberVisitor) {
   Method method = findMethod(name, descriptor);
   if (method != null) {
     method.accept(this, memberVisitor);
   }
 }
  public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) {
    //        DEBUG =
    //            clazz.getName().equals("abc/Def") &&
    //            method.getName(clazz).equals("abc");

    if (DEBUG) {
      method.accept(clazz, new ClassPrinter());
    }

    branchTargetFinder.visitCodeAttribute(clazz, method, codeAttribute);

    // Don't bother if there aren't any subroutines anyway.
    if (!containsSubroutines(codeAttribute)) {
      return;
    }

    if (DEBUG) {
      System.out.println(
          "SubroutineInliner: processing ["
              + clazz.getName()
              + "."
              + method.getName(clazz)
              + method.getDescriptor(clazz)
              + "]");
    }

    // Append the body of the code.
    codeAttributeComposer.reset();
    codeAttributeComposer.beginCodeFragment(codeAttribute.u4codeLength);

    // Copy the non-subroutine instructions.
    int offset = 0;
    while (offset < codeAttribute.u4codeLength) {
      Instruction instruction = InstructionFactory.create(codeAttribute.code, offset);
      int instructionLength = instruction.length(offset);

      // Is this returning subroutine?
      if (branchTargetFinder.isSubroutine(offset)
          && branchTargetFinder.isSubroutineReturning(offset)) {
        // Skip the subroutine.
        if (DEBUG) {
          System.out.println(
              "  Skipping original subroutine instruction " + instruction.toString(offset));
        }

        // Append a label at this offset instead.
        codeAttributeComposer.appendLabel(offset);
      } else {
        // Copy the instruction, inlining any subroutine call recursively.
        instruction.accept(clazz, method, codeAttribute, offset, this);
      }

      offset += instructionLength;
    }

    // Copy the exceptions. Note that exceptions with empty try blocks
    // are automatically removed.
    codeAttribute.exceptionsAccept(clazz, method, subroutineExceptionInliner);

    if (DEBUG) {
      System.out.println("  Appending label after code at [" + offset + "]");
    }

    // Append a label just after the code.
    codeAttributeComposer.appendLabel(codeAttribute.u4codeLength);

    // End and update the code attribute.
    codeAttributeComposer.endCodeFragment();
    codeAttributeComposer.visitCodeAttribute(clazz, method, codeAttribute);

    if (DEBUG) {
      method.accept(clazz, new ClassPrinter());
    }
  }
Exemple #4
0
 public void visitCodeAttribute(Clazz clazz, Method method, CodeAttribute codeAttribute) {
   if (codeAttribute.u4codeLength > 1) {
     method.accept(clazz, UsageMarker.this);
   }
 }