root.cpp

来自「这是广泛使用的通信开源项目,对于大容量,高并发的通讯要求完全能够胜任,他广泛可用」· C++ 代码 · 共 1,816 行 · 第 1/4 页

    case TAO_CodeGen::TAO_ROOT_TIE_SH:
      if (be_global->gen_tie_classes ())
        {
          (void) tao_cg->end_server_template_header ();
        }

      break;
    default:
      break;
    }

  return 0;
}

// All common visit methods for root visitor.

int
be_visitor_root::visit_constant (be_constant *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 0;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      {
        be_visitor_constant_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CS:
      {
        be_visitor_constant_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    default:
      return 0; // nothing to be done
    }

  if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_constant - "
                         "failed to accept visitor\n"),
                        -1);
    }

  return 0;
}

int
be_visitor_root::visit_enum (be_enum *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 0;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      {
        be_visitor_enum_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CS:
      {
        be_visitor_enum_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
      {
        be_visitor_enum_any_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
      {
        be_visitor_enum_any_op_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
      {
        be_visitor_enum_cdr_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CI:
      {
        be_visitor_enum_cdr_op_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    default:
      return 0; // nothing to be done
    }

  if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_enum - "
                         "failed to accept visitor\n"),
                        -1);
    }

  return 0;
}

int
be_visitor_root::visit_exception (be_exception *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 0;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      {
        be_visitor_exception_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CI:
      {
        be_visitor_exception_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CS:
      {
        be_visitor_exception_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
      {
        be_visitor_exception_any_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
      {
        be_visitor_exception_any_op_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
      {
        be_visitor_exception_cdr_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CI:
      {
        be_visitor_exception_cdr_op_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CS:
      {
        be_visitor_exception_cdr_op_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    default:
      return 0; // nothing to be done
    }

  if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_exception - "
                         "failed to accept visitor\n"),
                        -1);
    }

  return 0;
}

// visit an interface
int
be_visitor_root::visit_interface (be_interface *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 1;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      ctx.state (TAO_CodeGen::TAO_INTERFACE_CH);
      break;
    case TAO_CodeGen::TAO_ROOT_CI:
      {
        be_visitor_interface_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CS:
      {
        be_visitor_interface_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_SH:
      {
        be_visitor_interface_sh visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_IH:
      {
        be_visitor_interface_ih visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_SI:
      {
        be_visitor_interface_si visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_SS:
      {
        be_visitor_interface_ss visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_IS:
      {
        be_visitor_interface_is visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
      {
        be_visitor_interface_any_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CS:
      {
        be_visitor_interface_any_op_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
      {
        be_visitor_interface_cdr_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CI:
      {
        be_visitor_interface_cdr_op_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CS:
      {
        be_visitor_interface_cdr_op_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    default:
      {
        ACE_ERROR_RETURN ((LM_ERROR,
                           "(%N:%l) be_visitor_root::"
                           "visit_interface - "
                           "Bad context state\n"),
                          -1);
      }
    }

  if (status == 0)
    {
      return 0;
    }
  else if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_interface - "
                         "failed to accept visitor\n"),
                        -1);
    }

  // Change the state depending on the kind of node strategy
  ctx.state (node->next_state (ctx.state ()));

  be_visitor *visitor = tao_cg->make_visitor (&ctx);

  if (!visitor)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_interface - "
                         "NUL visitor\n"),
                        -1);
    }

  if (node->accept (visitor) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_interface - "
                         "failed to accept visitor\n"),
                        -1);
    }

  delete visitor;
  visitor = 0;

  // Do additional code generation is necessary.
  // Note, this call is delegated to the strategy connected to
  // the node.
  if (node->has_extra_code_generation (ctx.state ()))
    {
      // Change the state depending on the kind of node strategy
      ctx.state (node->next_state (ctx.state (), 1));

      be_visitor *visitor = tao_cg->make_visitor (&ctx);

      if (!visitor)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_root::"
                             "visit_interface - "
                             "NUL visitor\n"),
                            -1);
        }

      if (node->accept (visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_root::"
                             "visit_interface - "
                             "failed to accept visitor\n"),
                            -1);
        }

      delete visitor;
      visitor = 0;
    }

  ctx.state (TAO_CodeGen::TAO_ROOT_CH);
  return 0;
}

int
be_visitor_root::visit_interface_fwd (be_interface_fwd *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 0;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      {
        be_visitor_interface_fwd_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CI:
      {
        be_visitor_interface_fwd_cdr_op_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_ANY_OP_CH:
      {
        be_visitor_interface_fwd_any_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
      {
        be_visitor_interface_fwd_cdr_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    default:
      return 0; // nothing to be done
    }

  if (status == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_root::"
                         "visit_interface_fwd - "
                         "failed to accept visitor\n"),
                        -1);
    }

  return 0;
}

int
be_visitor_root::visit_valuetype (be_valuetype *node)
{
  // Instantiate a visitor context with a copy of our context. This info
  // will be modified based on what type of node we are visiting.
  be_visitor_context ctx (*this->ctx_);
  ctx.node (node);
  int status = 0;

  switch (this->ctx_->state ())
    {
    case TAO_CodeGen::TAO_ROOT_CH:
      {
        be_visitor_valuetype_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CI:
      {
        be_visitor_valuetype_ci visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CS:
      {
        be_visitor_valuetype_cs visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CH:
      {
        be_visitor_valuetype_cdr_op_ch visitor (&ctx);
        status = node->accept (&visitor);
        break;
      }
    case TAO_CodeGen::TAO_ROOT_CDR_OP_CI:
      {
        be_visitor_valuetype_cdr_op_ci visitor (&ctx);