field_cdr_ci.cpp

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//
// field_cdr_ci.cpp,v 1.6 2003/03/12 16:50:35 parsons Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    field_cdr_ci.cpp
//
// = DESCRIPTION
//    Visitor generating code for Field in the client stubs file.
//
// = AUTHOR
//    Torsten Kuepper  <[e-mail]>
//    derived from be_visitor_field/cdr_op_ci.cpp
//
// ============================================================================

ACE_RCSID (be_visitor_valuetype, 
           field_cdr_op_ci, 
           "field_cdr_ci.cpp,v 1.6 2003/03/12 16:50:35 parsons Exp")

// **********************************************
//  Visitor for field in the client inline file.
// **********************************************

be_visitor_valuetype_field_cdr_ci::be_visitor_valuetype_field_cdr_ci (
    be_visitor_context *ctx
  )
  : be_visitor_decl (ctx),
    pre_ (""), 
    post_ ("")
{
}

be_visitor_valuetype_field_cdr_ci::~be_visitor_valuetype_field_cdr_ci (void)
{
}

int
be_visitor_valuetype_field_cdr_ci::visit_field (be_field *node)
{
  be_type *bt = be_type::narrow_from_decl (node->field_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_field - "
                         "Bad field type\n"), 
                        -1);
    }

  this->ctx_->node (node);

  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_field - "
                         "codegen for field type failed\n"), 
                        -1);
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_array - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // For anonymous arrays, the type name has a _ prepended. We compute
  // the full_name with or without the underscore and use it later on.
  char fname [NAMEBUFSIZE];
  ACE_OS::memset (fname, 
                  '\0', 
                  NAMEBUFSIZE);

  if (!this->ctx_->alias ()
      && node->is_child (this->ctx_->scope ()))
    {
      // For anonymous arrays ...
      // We have to generate a name for us that has an underscore
      // prepended to our local name. This needs to be inserted after
      // the parents's name.

      if (node->is_nested ())
        {
          be_decl *parent =
            be_scope::narrow_from_scope (node->defined_in ())->decl ();
          ACE_OS::sprintf (fname, 
                           "%s::_%s", 
                           parent->full_name (),
                           node->local_name ()->get_string ());
        }
      else
        {
          ACE_OS::sprintf (fname, 
                           "_%s", 
                           node->full_name ());
        }
    }
  else
    {
      // Typedefed node.
      ACE_OS::sprintf (fname, 
                       "%s", 
                       node->full_name ());
    }

  // Check what is the code generation substate. Are we generating
  // code for the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> "
          << "_tao_" << pre_ << f->local_name () << post_ << ")";
      return 0;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << "(strm << "
          << "_tao_" << pre_ << f->local_name () << post_ << ")";
      return 0;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Proceed further.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_array - "
                         "bad sub state\n"), 
                        -1);
    }

  // If not a typedef and we are defined in the use scope, we must be defined.
  if (!this->ctx_->alias () // not a typedef
      && node->is_child (this->ctx_->scope ()))
    {
      // This is the case for anonymous arrays.
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node);
      be_visitor_array_cdr_op_ci visitor (&ctx);

      if (node->accept (&visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                             "visit_array - "
                             "codegen failed\n"), 
                            -1);
        }
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_array - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // Check what is the code generation substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> " << pre_ << f->local_name () << post_ << ")";
      return 0;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << "(strm << " << pre_ << f->local_name () << post_ << ")";
      return 0;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Proceed further.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_enum - "
                         "bad sub state\n"), 
                        -1);
    }

  if (node->node_type () != AST_Decl::NT_typedef
      && node->is_child (this->ctx_->scope ()))
    {
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node);
      be_visitor_enum_cdr_op_ci visitor (&ctx);

      if (node->accept (&visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                             "visit_enum - "
                             "codegen failed\n"), 
                            -1);
        }
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_interface - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // Check what is the code generations substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> " << pre_ << f->local_name () << post_ << ".out ())";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << pre_ << f->local_name () << post_ << ".in ()->marshal (strm)";
      break;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Nothing to be done because an interface cannit be declared inside a
      // structure.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_interface - "
                         "bad sub state\n"), 
                        -1);
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_interface_fwd - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // Check what is the code generations substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> " << pre_ << f->local_name () << post_ << ").out ()";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << pre_ << f->local_name () << post_ << ".in ()->marshal (strm)";
      break;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Nothing to be done because an interface cannit be declared inside a
      // structure.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_interface_fwd - "
                         "bad sub state\n"), 
                        -1);
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_valuetype - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // Check what is the code generations substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> " << pre_ << f->local_name () << post_ << ".out ())";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << "(strm << " << pre_ << f->local_name () << post_ << ".in ())";
      break;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Nothing to be done because a valuetype cannit be declared inside a
      // structure.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_valuetype - "
                         "bad sub state\n"), 
                        -1);
    }

  return 0;
}

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

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_valuetype_fwd - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  // Check what is the code generations substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "(strm >> " << pre_ << f->local_name () << post_ << ").out ()";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << "(strm << " << pre_ << f->local_name () << post_ << ").in ()";
      break;
    case TAO_CodeGen::TAO_CDR_SCOPE:
      // Nothing to be done because a valuetype cannot be declared inside a
      // structure.
      break;
    default:
      // Error.
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_valuetype_fwd - "
                         "bad sub state\n"), 
                        -1);
    }

  return 0;
}

int
be_visitor_valuetype_field_cdr_ci::visit_predefined_type (be_predefined_type *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  // Retrieve the field node.
  be_field *f = this->ctx_->be_node_as_field ();

  if (!f)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cdr_ci::"
                         "visit_predefined_type - "
                         "cannot retrieve field node\n"), 
                        -1);
    }

  AST_PredefinedType::PredefinedType pt = node->pt ();

  // Check what is the code generations substate. Are we generating code for
  // the in/out operators for our parent or for us?
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      if (pt == AST_PredefinedType::PT_pseudo
          || pt == AST_PredefinedType::PT_object)
        {
          *os << "(strm >> " << pre_ << f->local_name () << post_
              << ".out ())";
        }
      else if (pt == AST_PredefinedType::PT_char)
        {
          *os << "(strm >> CORBA::Any::to_char (" << pre_
              << f->local_name () << post_ << "))";
        }
      else if (pt == AST_PredefinedType::PT_wchar)
        {
          *os << "(strm >> CORBA::Any::to_wchar (" << pre_
              << f->local_name () << post_ << "))";
            }
      else if (pt == AST_PredefinedType::PT_octet)
        {
          *os << "(strm >> CORBA::Any::to_octet (" << pre_
              << f->local_name () << post_ << "))";
        }
      else if (pt == AST_PredefinedType::PT_boolean)
        {
          *os << "(strm >> CORBA::Any::to_boolean (" << pre_
              << f->local_name () << post_ << "))";
        }
      else
        {
          *os << "(strm >> " << pre_ << f->local_name () << post_ << ")";