cdr_op_cs.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 927 行 · 第 1/2 页

                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad primitive type for optimized code gen\n"),
                        -1);
    }

  // Handle special case to avoid compiler errors.
  switch (node->pt ())
    {
    case AST_PredefinedType::PT_char:
      switch (this->ctx_->sub_state ())
        {
        case TAO_CodeGen::TAO_CDR_INPUT:
          *os << " ((char *)_tao_sequence.get_buffer (), ";
          break;
        case TAO_CodeGen::TAO_CDR_OUTPUT:
          *os << " ((const char *)_tao_sequence.get_buffer (), ";
          break;
        default:
          // error
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_sequence_cdr_op_cs"
                             "::visit_predefined_type - "
                             "bad codegen substate\n"),
                            -1);
        }
      break;
    default:
      *os << " (_tao_sequence.get_buffer (), ";
      break;
    }

  *os << "_tao_sequence.length ());" << be_uidt_nl;

  if (node->pt () == AST_PredefinedType::PT_octet && sequence->unbounded ())
    {
      *os << "\n#endif /* TAO_NO_COPY_OCTET_SEQUENCES == 0 */" << be_nl;
    }

  return 0;
}

int
be_visitor_sequence_cdr_op_cs::visit_string (be_string *node)
{
  return this->visit_node (node);
}

int
be_visitor_sequence_cdr_op_cs::visit_structure (be_structure *node)
{
  return this->visit_node (node);
}

int
be_visitor_sequence_cdr_op_cs::visit_union (be_union *node)
{
  return this->visit_node (node);
}

int
be_visitor_sequence_cdr_op_cs::visit_typedef (be_typedef *node)
{
  this->ctx_->alias (node);
  be_type *bt = node->primitive_base_type ();

  if (!bt || (bt->accept (this) == -1))
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_typedef - "
                         "Bad primitive type\n"),
                        -1);
    }

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

int
be_visitor_sequence_cdr_op_cs::visit_node (be_type *bt)
{
  TAO_OutStream *os = this->ctx_->stream ();
  be_sequence *node = this->ctx_->be_node_as_sequence ();

  if (!node)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_node - "
                         "bad sequence node\n"),
                        -1);
    }

  be_visitor_context ctx (*this->ctx_);
  be_visitor_sequence_base visitor (&ctx);

  // Initialize a boolean variable.
  *os << "CORBA::Boolean _tao_marshal_flag = 1;" << be_nl << be_nl;

  // We get here if the "type" of individual elements of the sequence is not a
  // primitive type. In this case, we are left with no other alternative but
  // to encode/decode element by element.

  AST_Expression *expr = node->max_size ();

  if (expr == 0 || (expr != 0 && expr->ev () == 0))
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_node - "
                         "bad sequence dimension\n"),
                        -1);
    }

  if (expr->ev ()->et == AST_Expression::EV_ulong)
    {
      *os << "for (CORBA::ULong i = 0; i < _tao_seq_len"
          << " && _tao_marshal_flag; "
          << "++i)" << be_idt_nl
          << "{" << be_idt_nl;
    }
  else
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_node - "
                         "bad sequence dimension value\n"),
                        -1);
    }

  AST_Decl::NodeType nt = bt->node_type ();
  be_typedef *td = 0;

  if (nt == AST_Decl::NT_typedef)
    {
      td = be_typedef::narrow_from_decl (bt);
      nt = td->base_node_type ();
    }

  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      switch (nt)
        {
        case AST_Decl::NT_array:
          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_forany tmp (";

          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_alloc ());" << be_nl;
          *os << "_tao_marshal_flag = (strm >> tmp);" << be_nl;

          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_copy (_tao_sequence[i], tmp.in ());" << be_nl;

          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_free (tmp.inout ());" << be_uidt_nl;

          break;
        case AST_Decl::NT_string:
        case AST_Decl::NT_wstring:
          {
            be_string *str =
              be_string::narrow_from_decl (
                  td == 0 ? bt : td->primitive_base_type ()
                );

            if (!str)
              {
                ACE_ERROR_RETURN ((LM_ERROR,
                                   "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                   "visit_node - "
                                   "bad string node\n"),
                                  -1);
              }

            if (str->max_size ()->ev ()->u.ulval == 0)
              {
                // Unbounded.
                *os << "_tao_marshal_flag = (strm >> _tao_sequence[i].out ());"
                    << be_uidt_nl;
              }
            else
              {
                if (str->width () == (long) sizeof (char))
                  {
                    *os << "_tao_marshal_flag = (strm >> "
                        << "CORBA::Any::to_string (_tao_sequence[i].out (), ";
                  }
                else
                  {
                    *os << "_tao_marshal_flag = (strm >> "
                        << "CORBA::Any::to_wstring (_tao_sequence[i].out (), ";
                  }

                *os << str->max_size ()->ev ()->u.ulval << "));"
                    << be_uidt_nl;
              }
          }
          break;
        case AST_Decl::NT_interface:
        case AST_Decl::NT_interface_fwd:
        case AST_Decl::NT_valuetype:
        case AST_Decl::NT_valuetype_fwd:
          *os << "_tao_marshal_flag = (strm >> _tao_sequence[i].out ());";

          break;
        case AST_Decl::NT_pre_defined:
          {
            // We need to separately handle this case of pseudo objects
            // because they have a _var type.
            be_predefined_type *pt =
              be_predefined_type::narrow_from_decl (
                  td == 0 ? bt : td->primitive_base_type ()
                );

            if (!pt)
              {
                ACE_ERROR_RETURN ((LM_ERROR,
                                   "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                   "visit_node - "
                                   "bad predefined type node\n"),
                                  -1);
              }

            switch (pt->pt ())
              {
                case AST_PredefinedType::PT_pseudo:
                case AST_PredefinedType::PT_object:
                case AST_PredefinedType::PT_value:
                  *os << "_tao_marshal_flag = (strm >> _tao_sequence[i].out ());";
                  break;
                case AST_PredefinedType::PT_char:
                  *os << "_tao_marshal_flag =" << be_idt_nl
                      << "(strm >> CORBA::Any::to_char (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_wchar:
                  *os << "_tao_marshal_flag =" << be_idt_nl
                      << "(strm >> CORBA::Any::to_wchar (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_boolean:
                  *os << "_tao_marshal_flag =" << be_idt_nl 
                      << "(strm >> CORBA::Any::to_boolean (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_octet:
                  *os << "_tao_marshal_flag =" << be_idt_nl 
                      << "(strm >> CORBA::Any::to_octet (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                default:
                  *os << "_tao_marshal_flag = (strm >> _tao_sequence[i]);";
                  break;
              }
          }

          break;
        default:
          *os << "_tao_marshal_flag = (strm >> _tao_sequence[i]);";

          break;
        }

      *os << be_uidt_nl
          << "}";

      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      switch (nt)
        {
        case AST_Decl::NT_array:
          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_var tmp_var (" << be_idt << be_idt_nl;

          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_dup (\n";

          // Even though the following arg is declared const in the
          // function signature, MSVC++ 5.0 needs the const cast,
          // and many other compilers just won't do it.
          *os << "#if defined (_MSC_VER) && (_MSC_VER <= 1100)";

          os->indent ();

          *os << be_idt << be_idt_nl;
          *os << "ACE_const_cast (const " << this->ctx_->node ()->name ()
              << ", _tao_sequence)[i]\n";
          *os << "#else";

          os->indent ();

          *os << be_nl;
          *os << "_tao_sequence[i]\n";
          *os << "#endif /* defined (_MSC_VER) && (_MSC_VER <= 1100) */";

          os->indent ();

          *os << be_uidt_nl;
          *os << ")" << be_uidt << be_uidt_nl;
          *os << ");" << be_uidt_nl;

          if (bt->accept (&visitor) == -1)
            {
              ACE_ERROR_RETURN ((LM_ERROR,
                                 "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                 "visit_node - "
                                 "base type visit failed\n"),
                                -1);
            }

          *os << "_forany tmp (tmp_var.inout ());" << be_nl;
          *os << "_tao_marshal_flag = (strm << tmp);";

          break;
        case AST_Decl::NT_interface:
        case AST_Decl::NT_interface_fwd:
          *os << "_tao_marshal_flag =" << be_idt_nl;

          if (bt->is_defined ())
            {
              *os << "_tao_sequence[i].in ()->marshal (strm);" << be_uidt;
            }
          else
            {
              *os << "TAO::Objref_Traits<" << bt->name () << ">::tao_marshal ("
                  << be_idt << be_idt_nl
                  << "_tao_sequence[i].in (), strm" << be_uidt_nl
                  << ");" << be_uidt << be_uidt;
            }

          break;
        case AST_Decl::NT_string:
        case AST_Decl::NT_wstring:
        case AST_Decl::NT_valuetype:
        case AST_Decl::NT_valuetype_fwd:
          *os << "_tao_marshal_flag = (strm << _tao_sequence[i].in ());";

          break;
        case AST_Decl::NT_pre_defined:
          {
            be_predefined_type *pt =
              be_predefined_type::narrow_from_decl (
                  td == 0 ? bt : td->primitive_base_type ()
                );

            if (!pt)
              {
                ACE_ERROR_RETURN ((LM_ERROR,
                                   "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                                   "visit_node - "
                                   "bad predefined type node\n"),
                                  -1);
              }

            switch (pt->pt ())
              {
                case AST_PredefinedType::PT_pseudo:
                case AST_PredefinedType::PT_object:
                case AST_PredefinedType::PT_value:
                  *os << "_tao_marshal_flag = (strm << _tao_sequence[i].in ());";
                  break;
                case AST_PredefinedType::PT_char:
                  *os << "_tao_marshal_flag =" << be_idt_nl
                      << "(strm << CORBA::Any::from_char (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_wchar:
                  *os << "_tao_marshal_flag =" << be_idt_nl
                      << "(strm << CORBA::Any::from_wchar (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_boolean:
                  *os << "_tao_marshal_flag =" << be_idt_nl 
                      << "(strm << CORBA::Any::from_boolean (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                case AST_PredefinedType::PT_octet:
                  *os << "_tao_marshal_flag =" << be_idt_nl 
                      << "(strm << CORBA::Any::from_octet (_tao_sequence[i]));" 
                      << be_uidt;
                  break;
                default:
                  *os << "_tao_marshal_flag = (strm << _tao_sequence[i]);";
                  break;
              }
          }

          break;
        default:
          *os << "_tao_marshal_flag = (strm << _tao_sequence[i]);";

          break;
        }

      *os << be_uidt_nl
          << "}";

      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_sequence_cdr_op_cs::"
                         "visit_node - "
                         "bad sub state\n"),
                        -1);
    }

  *os << be_uidt_nl << be_nl;
  *os << "return _tao_marshal_flag;" << be_uidt_nl;
 
  return 0;
}