@Override
  public TextBuffer toJava(int indent, BytecodeMappingTracer tracer) {
    tracer.addMapping(bytecode);

    if (exitType == EXIT_RETURN) {
      TextBuffer buffer = new TextBuffer("return");

      if (retType.type != CodeConstants.TYPE_VOID) {
        buffer.append(' ');
        ExprProcessor.getCastedExprent(value, retType, buffer, indent, false, tracer);
      }

      return buffer;
    } else {
      MethodWrapper method =
          (MethodWrapper) DecompilerContext.getProperty(DecompilerContext.CURRENT_METHOD_WRAPPER);
      ClassNode node =
          ((ClassNode) DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE));

      if (method != null && node != null) {
        StructExceptionsAttribute attr =
            (StructExceptionsAttribute)
                method.methodStruct.getAttributes().getWithKey("Exceptions");

        if (attr != null) {
          String classname = null;

          for (int i = 0; i < attr.getThrowsExceptions().size(); i++) {
            String exClassName = attr.getExcClassname(i, node.classStruct.getPool());
            if ("java/lang/Throwable".equals(exClassName)) {
              classname = exClassName;
              break;
            } else if ("java/lang/Exception".equals(exClassName)) {
              classname = exClassName;
            }
          }

          if (classname != null) {
            VarType exType = new VarType(classname, true);
            TextBuffer buffer = new TextBuffer("throw ");
            ExprProcessor.getCastedExprent(value, exType, buffer, indent, false, tracer);
            return buffer;
          }
        }
      }

      return value.toJava(indent, tracer).prepend("throw ");
    }
  }
  public void setVarVersions(RootStatement root) {
    StructMethod mt =
        (StructMethod) DecompilerContext.getProperty(DecompilerContext.CURRENT_METHOD);

    SSAConstructorSparseEx ssa = new SSAConstructorSparseEx();
    ssa.splitVariables(root, mt);

    FlattenStatementsHelper flattenHelper = new FlattenStatementsHelper();
    DirectGraph graph = flattenHelper.buildDirectGraph(root);

    mergePhiVersions(ssa, graph);

    typeProcessor = new VarTypeProcessor();
    typeProcessor.calculateVarTypes(root, graph);

    simpleMerge(typeProcessor, graph, mt);

    // FIXME: advanced merging

    eliminateNonJavaTypes(typeProcessor);

    setNewVarIndices(typeProcessor, graph);
  }