request_info_sh.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 422 行

//
// request_info_sh.cpp,v 1.16 2003/05/09 05:30:24 parsons Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    request_info_sh.cpp
//
// = DESCRIPTION
//    Visitor that generates the private members in Request_Info class for interceptors
//
// = AUTHOR
//    Kirthika Parameswaran  <[e-mail]>
//
// ============================================================================

ACE_RCSID (be_visitor_argument, 
           request_info_sh, 
           "request_info_sh.cpp,v 1.16 2003/05/09 05:30:24 parsons Exp")


// ************************************************************
// be_visitor_args_request_info_sh for parameter list in method declarations and
// definitions
// ************************************************************

be_visitor_args_request_info_sh::be_visitor_args_request_info_sh (
    be_visitor_context *ctx
  )
  : be_visitor_args (ctx)
{
}

be_visitor_args_request_info_sh::~be_visitor_args_request_info_sh (void)
{
}

int be_visitor_args_request_info_sh::visit_argument (be_argument *node)
{
  TAO_OutStream *os = this->ctx_->stream ();
  this->ctx_->node (node);
  be_type *bt = be_type::narrow_from_decl (node->field_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_args_request_info_sh::"
                         "visit_argument - "
                         "Bad argument type\n"),
                        -1);
    }

  // Different types have different mappings when used as in/out or
  // inout parameters. Let this visitor deal with the type.

  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_args_request_info_sh::"
                         "visit_argument - "
                         "cannot accept visitor\n"),
                        -1);
    }

  *os << " " << node->local_name () << "_;";

  return 0;
}

int be_visitor_args_request_info_sh::visit_array (be_array *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << "_slice *";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << "_slice *";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_enum (be_enum *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << " &";;
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_interface (be_interface *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << this->type_name (node, "_ptr");
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node, "_ptr");
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_interface_fwd (be_interface_fwd *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << this->type_name (node, "_ptr");
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node, "_ptr");
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_native (be_native *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node) << " &";
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_predefined_type (
    be_predefined_type *node
  )
{
  TAO_OutStream *os = this->ctx_->stream ();
  AST_PredefinedType::PredefinedType pt = node->pt ();

  if (pt == AST_PredefinedType::PT_any)
    {
      switch (this->direction ())
        {
        case AST_Argument::dir_IN:
          *os << "const " << this->type_name (node) << " &";
          break;
        case AST_Argument::dir_INOUT:
          *os << this->type_name (node) << " &";
          break;
        case AST_Argument::dir_OUT:
          *os << this->type_name (node, "_out");
          break;
        }
    }
  else if (pt == AST_PredefinedType::PT_pseudo
           || pt == AST_PredefinedType::PT_object)
    {
      switch (this->direction ())
        {
        case AST_Argument::dir_IN:
          *os << this->type_name (node, "_ptr");
          break;
        case AST_Argument::dir_INOUT:
          *os << this->type_name (node, "_ptr");
          break;
        case AST_Argument::dir_OUT:
          *os << this->type_name (node, "_out");
          break;
        }
    }
  else 
    {
      switch (this->direction ())
        {
        case AST_Argument::dir_IN:
          *os << "const " << this->type_name (node) <<" &";
          break;
        case AST_Argument::dir_INOUT:
          *os << this->type_name (node) << " &";
          break;
        case AST_Argument::dir_OUT:
          *os << this->type_name (node, "_out");
          break;
        } // end switch direction
    } // end of else

  return 0;
}

int be_visitor_args_request_info_sh::visit_sequence (be_sequence *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_string (be_string *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  if (node->width () == 1)
    {
      switch (this->direction ())
        {
        case AST_Argument::dir_IN:
          *os << "const char *";
          break;
        case AST_Argument::dir_INOUT:
          *os << "char *&";
          break;
        case AST_Argument::dir_OUT:
          *os << "CORBA::String_out ";
          break;
        }
    }
  else
    {
      switch (this->direction ())
        {
        case AST_Argument::dir_IN:
          *os << "const CORBA::WChar *";
          break;
        case AST_Argument::dir_INOUT:
          *os << "CORBA::WChar *&";
          break;
        case AST_Argument::dir_OUT:
          *os << "CORBA::WString_out";
          break;
        }
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_structure (be_structure *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_union (be_union *node)
{
  TAO_OutStream *os = this->ctx_->stream (); // get the stream

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " &";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_typedef (be_typedef *node)
{
  this->ctx_->alias (node);

  if (node->primitive_base_type ()->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_args_request_info_sh::"
                         "visit_typedef - "
                         "accept on primitive type failed\n"),
                        -1);
    }

  this->ctx_->alias (0);
  return 0;
}


int be_visitor_args_request_info_sh::visit_valuetype (be_valuetype *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << this->type_name (node) << " *";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " *&";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int be_visitor_args_request_info_sh::visit_valuetype_fwd (
    be_valuetype_fwd *node
  )
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (this->direction ())
    {
    case AST_Argument::dir_IN:
      *os << "const " << this->type_name (node) << " *";
      break;
    case AST_Argument::dir_INOUT:
      *os << this->type_name (node) << " *&";
      break;
    case AST_Argument::dir_OUT:
      *os << this->type_name (node, "_out");
      break;
    }

  return 0;
}

int
be_visitor_args_request_info_sh::visit_component (
    be_component *node
  )
{
  return this->visit_interface (node);
}

int
be_visitor_args_request_info_sh::visit_component_fwd (
    be_component_fwd *node
  )
{
  return this->visit_interface_fwd (node);
}

int
be_visitor_args_request_info_sh::visit_eventtype (
    be_eventtype *node
  )
{
  return this->visit_valuetype (node);
}

int
be_visitor_args_request_info_sh::visit_eventtype_fwd (
    be_eventtype_fwd *node
  )
{
  return this->visit_valuetype_fwd (node);
}