int
be_visitor_xplicit_pre_proc::visit_string (be_string *node)
{
  if (this->ref_type_)
    {
      this->check_and_store (node);
      return 0;
    }

  AST_Expression *b = node->max_size ();

  if (b->ev ()->u.ulval == 0)
    {
      this->type_holder_ = node;
      return 0;
    }

  AST_Expression *bound = 0;
  ACE_NEW_RETURN (bound,
                  AST_Expression (b,
                                  AST_Expression::EV_ulong),
                  -1);

  Identifier id ("string");
  UTL_ScopedName sn (&id, 0);

  ACE_NEW_RETURN (this->type_holder_,
                  be_string (AST_Decl::NT_string,
                             &sn,
                             bound,
                             node->width ()),
                  -1);

  return 0;
}
Example #2
0
void
AST_UnionBranch::add_labels (AST_Union *u)
{
  for (UTL_LabellistActiveIterator i (this->pd_ll);
       !i.is_done ();
       i.next ())
    {
      if (AST_UnionLabel::UL_default == i.item ()->label_kind ())
        {
          return;
        }
    }

  const bool enum_labels = (u->udisc_type () == AST_Expression::EV_enum);

  for (UTL_LabellistActiveIterator i (this->pd_ll);
       !i.is_done ();
       i.next ())
    {
      AST_Expression *ex = i.item ()->label_val ();
      UTL_ScopedName *n = ex->n ();

      if (n)
        {
          u->add_to_name_referenced (n->first_component ());
        }

      // If we have enum val labels, we need to set the type and
      // evaluate here, so the value will be available when the
      // default index in calculated.
      if (enum_labels)
        {
          ex->ev ()->et = AST_Expression::EV_enum;
          AST_Enum *disc = AST_Enum::narrow_from_decl (u->disc_type ());
          AST_EnumVal *dval = disc->lookup_by_value (ex);

          if (dval == 0)
            {
              idl_global->err ()->incompatible_disc_error (disc, ex);
              throw Bailout ();
            }

          ex->ev ()->u.eval = dval->constant_value ()->ev ()->u.ulval;
        }
    }
}
Example #3
0
// Look up a branch by label.
AST_UnionBranch *
AST_Union::lookup_label (AST_UnionBranch *b)
{
  AST_UnionLabel *label = b->label ();
  AST_Expression *lv = label->label_val ();

  if (label->label_val () == 0)
    {
      return b;
    }

  AST_Decl *d = 0;
  AST_UnionBranch *fb = 0;

  lv->set_ev (lv->coerce (this->pd_udisc_type));

  if (lv->ev () == 0)
    {
      idl_global->err ()->eval_error (lv);
      return b;
    }

  for (UTL_ScopeActiveIterator i (this, UTL_Scope::IK_decls);
       !i.is_done();
       i.next ())
    {
      d = i.item ();

      if (d->node_type () == AST_Decl::NT_union_branch)
        {
          fb = AST_UnionBranch::narrow_from_decl (d);

          if (fb == 0)
            {
              continue;
            }

          if (fb->label() != 0
              && fb->label ()->label_kind () == AST_UnionLabel::UL_label
              && fb->label ()->label_val ()->compare (lv))
            {
              idl_global->err ()->error2  (UTL_Error::EIDL_MULTIPLE_BRANCH,
                                           this,
                                           b);
              return b;
            }
        }
    }

  return 0;
}
Example #4
0
int
ast_visitor_reifying::visit_string (AST_String *node)
{
  AST_Expression *b = node->max_size ();
  AST_Param_Holder *ph = b->param_holder ();

  if (ph != 0)
    {
      if (this->visit_param_holder (ph) != 0)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             ACE_TEXT ("ast_visitor_reifying::")
                             ACE_TEXT ("visit_string - ")
                             ACE_TEXT ("visit_param_holder() ")
                             ACE_TEXT ("failed\n")),
                            -1);
        }

      AST_Constant *c =
        AST_Constant::narrow_from_decl (this->reified_node_);

      b = c->constant_value ();
    }
  else if (b->ev ()->u.ulval == 0)
    {
      this->reified_node_ = node;
      return 0;
    }

  AST_Expression *bound = 0;
  ACE_NEW_RETURN (bound,
                  AST_Expression (b,
                                  AST_Expression::EV_ulong),
                  -1);

  Identifier id ("string");
  UTL_ScopedName sn (&id, 0);

  ACE_NEW_RETURN (this->reified_node_,
                  AST_String (AST_Decl::NT_string,
                              &sn,
                              bound,
                              node->width ()),
                  -1);

  return 0;
}
Example #5
0
int be_visitor_array_cs::visit_array (be_array *node)
{
  // Nothing to do if we are imported or code is already generated.
  if (node->imported () || (node->cli_stub_gen ()))
    {
      return 0;
    }

  TAO_OutStream *os = this->ctx_->stream ();
  ACE_CDR::ULong i;
  this->ctx_->node (node);

  // Retrieve the type.
  be_type *bt = be_type::narrow_from_decl (node->base_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_array_cs::"
                         "visit_array - "
                         "Bad base type\n"),
                        -1);
    }

  // To hold the full and local.
  char fname [NAMEBUFSIZE];
  char lname [NAMEBUFSIZE];
  ACE_OS::memset (fname,
                  '\0',
                  NAMEBUFSIZE);
  ACE_OS::memset (lname,
                  '\0',
                  NAMEBUFSIZE);

  if (this->ctx_->tdef ())
    {
      // Typedefed node.
      ACE_OS::sprintf (fname, "%s",
                       node->full_name ());
      ACE_OS::sprintf (lname, "%s",
                       node->local_name ()->get_string ());
    }
  else
    {
      // For anonymous arrays ...
      // we have to generate a name for us that has an underscope 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 ());
          ACE_OS::sprintf (lname,
                           "_%s",
                           node->local_name ()->get_string ());
        }
      else
        {
          ACE_OS::sprintf (fname,
                           "_%s",
                           node->full_name ());
          ACE_OS::sprintf (lname,
                           "_%s",
                           node->local_name ()->get_string ());
        }
    }

  *os << be_nl_2 << "// TAO_IDL - Generated from" << be_nl
      << "// " << __FILE__ << ":" << __LINE__ << be_nl_2;

  // dup method.
  *os << fname << "_slice *" << be_nl
      << fname << "_dup (const " << fname
      << "_slice *_tao_src_array)" << be_nl;
  *os << "{" << be_idt_nl;
  *os << fname << "_slice *_tao_dup_array =" << be_idt_nl
      << fname << "_alloc ();" << be_uidt_nl << be_nl;
  *os << "if (!_tao_dup_array)" << be_idt_nl
      << "{" << be_idt_nl
      << "return static_cast <" << fname
      << "_slice *> (0);" << be_uidt_nl
      << "}" << be_uidt_nl << be_nl;
  *os << fname << "_copy (_tao_dup_array, _tao_src_array);" << be_nl;
  *os << "return _tao_dup_array;" << be_uidt_nl;
  *os << "}" << be_nl_2;

  // alloc method.
  *os << fname << "_slice *" << be_nl;
  *os << fname << "_alloc (void)" << be_nl;
  *os << "{" << be_idt_nl;
  *os << fname << "_slice *retval = 0;" << be_nl;
  *os << "ACE_NEW_RETURN (retval, ";

  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "be_visitor_array_cs::"
                         "visit_array - "
                         "base type decl failed\n"),
                        -1);
    }

  if (node->gen_dimensions (os) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cs::"
                         "visit_array - "
                         "dimensions codegen failed\n"),
                        -1);
    }

  *os << ", 0);" << be_nl;
  *os << "return retval;" << be_uidt_nl;
  *os << "}" << be_nl_2;

  // free method.
  *os << "void" << be_nl
      << fname << "_free (" << be_idt << be_idt_nl
      << fname << "_slice *_tao_slice)" << be_uidt
      << be_uidt_nl;
  *os << "{" << be_idt_nl;
  *os << "delete [] _tao_slice;" << be_uidt_nl;
  *os << "}" << be_nl_2;

  // copy method.
  *os << "void" << be_nl;
  *os << fname << "_copy (" << be_idt << be_idt_nl
      << fname << "_slice * _tao_to," << be_nl
      << "const " << fname << "_slice *_tao_from)" << be_uidt
      << be_uidt_nl;
  *os << "{" << be_idt_nl;
  *os << "// Copy each individual element." << be_nl;

  ACE_CDR::ULong ndims = node->n_dims ();

  // Generate nested loops for as many dimensions as there are.
  for (i = 0; i < ndims; ++i)
    {
      // Retrieve the ith dimension value.
      AST_Expression *expr = node->dims ()[i];

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

      if (expr->ev ()->et == AST_Expression::EV_ulong)
        {
          // Generate a loop for each dimension.
          *os << "for ( ::CORBA::ULong i" << i << " = 0; i" << i << " < "
              << expr->ev ()->u.ulval << "; ++i" << i << ")" << be_idt_nl
              << "{" << be_idt_nl;
        }
      else
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_cs::"
                             "visit_array - "
                             "bad array dimension value\n"),
                            -1);
        }
    }

  // Now generate code such that every element of the array gets assigned
  // inside the innermost level of the  nested loops generated above.
  be_array *primitive_type = 0;

  if (bt->node_type () == AST_Decl::NT_typedef)
    {
      // Base type of the array node is a typedef. We need to make sure that
      // this typedef is not to another array type. If it is, then we cannot
      // assign an array to another. We will have to invoke the underlying
      // array type's copy method for every array dimension.

      // There may be more than one level of typedef.
      be_type *tmp = bt;

      while (tmp->node_type () == AST_Decl::NT_typedef)
        {
          be_typedef *tdef = be_typedef::narrow_from_decl (tmp);
          tmp = be_type::narrow_from_decl (tdef->base_type ());
        }

      primitive_type = be_array::narrow_from_decl (tmp);
    }

  if (primitive_type != 0)
    {
      // The base type is a typedef to another array type, so
      // we use the base type's copy method.
      *os << "// call the underlying _copy" << be_nl;

      if (bt->accept (this) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "be_visitor_array_cs::"
                             "visit_array - "
                             "base type decl failed\n"),
                            -1);
        }

      *os << "_copy (_tao_to";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << ", ";
      *os << "_tao_from";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << ");";
    }
  else
    {
      // The base type is not a typedef to possibly another array type. In
      // such a case, assign each element.

      *os << "_tao_to";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << " = ";
      *os << "_tao_from";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << ";";
    }

  for (i = 0; i < ndims; ++i)
    {
      // Add closing braces as many times as the number of dimensions.
      *os << be_uidt_nl << "}" << be_uidt;
    }

  *os << be_uidt_nl << "}";

  AST_Decl::NodeType nt = bt->node_type ();

  // If we contain an anonymous sequence,
  // generate code for the sequence here.
  if (nt == AST_Decl::NT_sequence)
    {
      if (this->gen_anonymous_base_type (bt,
                                         TAO_CodeGen::TAO_ROOT_CS)
          == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_cs::"
                             "visit_array - "
                             "gen_anonymous_base_type failed\n"),
                            -1);
        }
    }

  // If the member's element type
  // is a declaration (not a reference), we must generate code for
  // the declaration.
  if (this->ctx_->alias () == 0 // Not a typedef.
      && bt->is_child (this->ctx_->scope ()->decl ()))
    {
      int status = 0;
      be_visitor_context ctx (*this->ctx_);

      switch (nt)
      {
        case AST_Decl::NT_enum:
          {
            be_visitor_enum_cs ec_visitor (&ctx);
            status = bt->accept (&ec_visitor);
            break;
          }
        case AST_Decl::NT_struct:
          {
            be_visitor_structure_cs sc_visitor (&ctx);
            status = bt->accept (&sc_visitor);
            break;
          }
        case AST_Decl::NT_union:
          {
            be_visitor_union_cs uc_visitor (&ctx);
            status = bt->accept (&uc_visitor);
            break;
          }
        default:
          break;
      }

      if (status == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_ch::"
                             "visit_array - "
                             "array base type codegen failed\n"),
                            -1);
        }
    }

  node->cli_stub_gen (true);
  return 0;
}
Example #6
0
int be_visitor_array_ci::visit_array (be_array *node)
{
  // Nothing to do if we are imported or code is already generated.
  if (node->imported () || node->cli_inline_gen ())
    {
      return 0;
    }

  this->ctx_->node (node); // save the array node

  // If we contain an anonymous sequence, generate code for it here.
  be_type *bt = be_type::narrow_from_decl (node->base_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_ci::"
                         "visit_array - "
                         "bad base type\n"),
                        -1);
    }

  AST_Decl::NodeType nt = bt->node_type ();

  if (nt == AST_Decl::NT_sequence)
    {
      if (this->gen_anonymous_base_type (bt,
                                         TAO_CodeGen::TAO_ROOT_CI)
          == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_ci::"
                             "visit_array - "
                             "gen_anonymous_base_type failed\n"),
                            -1);
        }
    }

  // If the array is an anonymous member and if its element type
  // is a declaration (not a reference), we must generate code for
  // the declaration.
  if (this->ctx_->alias () == 0 // Not a typedef.
      && bt->is_child (this->ctx_->scope ()->decl ()))
    {
      int status = 0;
      be_visitor_context ctx (*this->ctx_);

      switch (nt)
      {
        case AST_Decl::NT_struct:
          {
            be_visitor_structure_ci sc_visitor (&ctx);
            status = bt->accept (&sc_visitor);
            break;
          }
        case AST_Decl::NT_union:
          {
            be_visitor_union_ci uc_visitor (&ctx);
            status = bt->accept (&uc_visitor);
            break;
          }
        default:
          break;
      }

      if (status == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_ch::"
                             "visit_array - "
                             "array base type codegen failed\n"),
                            -1);
        }
    }

  // To hold the full and local.
  char fname [NAMEBUFSIZE];
  char lname [NAMEBUFSIZE];
  ACE_OS::memset (fname,
                  '\0',
                  NAMEBUFSIZE);
  ACE_OS::memset (lname,
                  '\0',
                  NAMEBUFSIZE);

  if (this->ctx_->tdef ())
    {
      // Typedefed node.
      ACE_OS::sprintf (fname, "%s",
                       node->full_name ());
      ACE_OS::sprintf (lname, "%s",
                       node->local_name ()->get_string ());
    }
  else
    {
      // For anonymous arrays ...
      // we have to generate a name for us that has an underscope 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 ());
          ACE_OS::sprintf (lname,
                           "_%s",
                           node->local_name ()->get_string ());
        }
      else
        {
          ACE_OS::sprintf (fname,
                           "_%s",
                           node->full_name ());
          ACE_OS::sprintf (lname,
                           "_%s",
                           node->local_name ()->get_string ());
        }
    }

  TAO_OutStream *os = this->ctx_->stream ();

  *os << be_nl_2 << "// TAO_IDL - Generated from" << be_nl
      << "// " << __FILE__ << ":" << __LINE__;

  // Generate the array traits specialization definitions,
  // guarded by #ifdef on unaliased array element type and length.

  ACE_CString unique;

  if (nt == AST_Decl::NT_typedef)
    {
      be_typedef *td = be_typedef::narrow_from_decl (bt);
      unique = td->primitive_base_type ()->flat_name ();
    }
  else
    {
      unique = bt->flat_name ();
    }

  char buf[NAMEBUFSIZE];
  ACE_CDR::ULong i;

  for (i = 0UL; i < node->n_dims (); ++i)
    {
      ACE_OS::memset (buf,
                      '\0',
                      NAMEBUFSIZE);
      ACE_OS::sprintf (buf,
                       "_" ACE_UINT32_FORMAT_SPECIFIER_ASCII,
                       node->dims ()[i]->ev ()->u.ulval);
      unique += buf;
    }

  unique += "_traits";

  *os << be_nl_2
      << "ACE_INLINE" << be_nl
      << "void" << be_nl
      << "TAO::Array_Traits<" << fname << "_forany>::free ("
      << be_idt << be_idt_nl
      << fname << "_slice * _tao_slice" << be_uidt_nl
      << ")" << be_uidt_nl
      << "{" << be_idt_nl
      << fname << "_free (_tao_slice);" << be_uidt_nl
      << "}";

  *os << be_nl_2
      << "ACE_INLINE" << be_nl
      << fname << "_slice *" << be_nl
      << "TAO::Array_Traits<" << fname << "_forany>::dup ("
      << be_idt << be_idt_nl
      << "const " << fname << "_slice * _tao_slice" << be_uidt_nl
      << ")" << be_uidt_nl
      << "{" << be_idt_nl
      << "return " << fname << "_dup (_tao_slice);" << be_uidt_nl
      << "}";

  *os << be_nl_2
      << "ACE_INLINE" << be_nl
      << "void" << be_nl
      << "TAO::Array_Traits<" << fname << "_forany>::copy ("
      << be_idt << be_idt_nl
      << fname << "_slice * _tao_to," << be_nl
      << "const " << fname << "_slice * _tao_from" << be_uidt_nl
      << ")" << be_uidt_nl
      << "{" << be_idt_nl
      << fname << "_copy (_tao_to, _tao_from);" << be_uidt_nl
      << "}";

  *os << be_nl_2
      << "ACE_INLINE" << be_nl
      << "void" << be_nl
      << "TAO::Array_Traits<" << fname << "_forany>::zero ("
      << be_idt << be_idt_nl
      << fname << "_slice * _tao_slice" << be_uidt_nl
      << ")" << be_uidt_nl
      << "{" << be_idt_nl;

  ACE_CDR::ULong ndims = node->n_dims ();
  be_array *primitive_type = 0;

  if (bt->node_type () == AST_Decl::NT_typedef)
    {
      // Base type of the array node is a typedef. We need to make sure that
      // this typedef is not to another array type. If it is, then we cannot
      // assign an array to another. We will have to invoke the underlying
      // array type's copy method for every array dimension.

      // There may be more than one level of typedef.
      be_type *tmp = bt;

      while (tmp->node_type () == AST_Decl::NT_typedef)
        {
          be_typedef *tdef = be_typedef::narrow_from_decl (tmp);
          tmp = be_type::narrow_from_decl (tdef->base_type ());
        }

      primitive_type = be_array::narrow_from_decl (tmp);
    }

  *os << "// Zero each individual element." << be_nl;

  // Generate nested loops for as many dimensions as there are.
  for (i = 0; i < ndims; ++i)
    {
      // Retrieve the ith dimension value.
      AST_Expression *expr = node->dims ()[i];

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

      if (expr->ev ()->et == AST_Expression::EV_ulong)
        {
          // Generate a loop for each dimension.
          *os << "for ( ::CORBA::ULong i" << i << " = 0; i" << i << " < "
              << expr->ev ()->u.ulval << "; ++i" << i << ")" << be_idt_nl
              << "{" << be_idt_nl;
        }
      else
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                              "(%N:%l) be_visitor_array_cs::"
                              "visit_array - "
                              "bad array dimension value\n"),
                            -1);
        }
    }

  if (primitive_type)
    {
      // The base type is a typedef to another array type, so
      // we use the base type's copy method.
      *os << "// call the underlying _zero" << be_nl;

      * os << "TAO::Array_Traits< ";

      if (bt->accept (this) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                              "be_visitor_array_cs::"
                              "visit_array - "
                              "base type decl failed\n"),
                            -1);
        }

      * os << "_forany";

      * os << ">::";

      *os << "zero (_tao_slice";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << ");";
    }
  else
    {
      // The base type is not a typedef to possibly another array type. In
      // such a case, assign each element.

      *os << "_tao_slice";

      for (i = 0; i < ndims; ++i)
        {
          *os << "[i" << i << "]";
        }

      *os << " = ";

      if (bt->accept (this) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                              "be_visitor_array_ch::"
                              "visit_array - "
                              "base type decl failed\n"),
                            -1);
        }

      *os << " ();";
    }

  for (i = 0; i < ndims; ++i)
    {
      // Add closing braces as many times as the number of dimensions.
      *os << be_uidt_nl << "}" << be_uidt;
    }
  *os << be_uidt_nl << "}";

  *os << be_nl_2
      << "ACE_INLINE" << be_nl
      << fname << "_slice *" << be_nl
     << "TAO::Array_Traits<" << fname << "_forany>::alloc (void)"
      << be_idt << be_uidt_nl
      << "{" << be_idt_nl
      << "return " << fname << "_alloc ();" << be_uidt_nl
      << "}";

  *os << be_nl;

  node->cli_inline_gen (true);
  return 0;
}
Example #7
0
// Helper.
int
be_visitor_array_cdr_op_cs::visit_node (be_type *bt)
{
  TAO_OutStream *os = this->ctx_->stream ();
  ACE_CDR::ULong i;
  be_array *node =
    be_array::narrow_from_decl (this->ctx_->node ());
  AST_Decl::NodeType nt = bt->node_type ();

  if (node == 0)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_node - "
                         "bad array node\n"),
                        -1);
    }

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

  ACE_CDR::ULong ndims = node->n_dims ();

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

  // generate nested loops for as many dimensions as there are
  for (i = 0; i < ndims; ++i)
    {
      // Retrieve the ith dimension value.
      AST_Expression *expr = node->dims ()[i];

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

      if (expr->ev ()->et == AST_Expression::EV_ulong)
        {
          // Generate a loop for each dimension.
          *os << be_nl << "for ( ::CORBA::ULong i" << i
              << " = 0; i" << i << " < "
              << expr->ev ()->u.ulval << " && _tao_marshal_flag; ++i" << i
              << ")" << be_idt_nl
              << "{" << be_idt;
        }
      else
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_cdr_op_cs::"
                             "visit_node - "
                             "bad array dimension value\n"),
                            -1);
        }
    }

  // @@ (JP) Need to factor out some of this into method call(s).
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << be_nl;

      // Handle the array of array case, where we need to pass the
      // forany type.
      if (nt == AST_Decl::NT_array)
        {
          *os << bt->name () << "_forany tmp ("
              << bt->name () << "_alloc ());" << be_nl;
          *os << "_tao_marshal_flag = (strm >> tmp);" << be_nl;
          *os << bt->name () << "_copy (_tao_array";

          for (i = 0; i < ndims; ++i)
            {
              *os << "[i" << i << "]";
            }

          *os << ", tmp.in ());" << be_nl;
          *os << bt->name () << "_free (tmp.inout ());";
        }
      else
        {
          be_string *str = 0;
          if (bt->node_type () == AST_Decl::NT_string ||
              bt->node_type () == AST_Decl::NT_wstring)
            {
              str = be_string::narrow_from_decl (bt);
              if (!str)
                {
                  ACE_ERROR_RETURN ((LM_ERROR,
                                     "(%N:%l) be_visitor_array_cdr_op_cs::"
                                     "visit_node - "
                                     "bad string node\n"),
                                    -1);
                }
            }

          *os << "_tao_marshal_flag = (strm >> ";
          if (str != 0 && str->max_size ()->ev ()->u.ulval != 0)
            {
              if (str->width () == (long) sizeof (char))
                {
                  *os << "ACE_InputCDR::to_string (_tao_array ";
                }
              else
                {
                  *os << "ACE_InputCDR::to_wstring (_tao_array ";
                }
            }
          else
            {
              *os << "_tao_array ";
            }

          for (i = 0; i < ndims; ++i)
            {
              *os << "[i" << i << "]";
            }

          switch (bt->node_type ())
            {
              // The following have a _var type and must be
              // handled in a special way.
              case AST_Decl::NT_string:
              case AST_Decl::NT_wstring:
                if (str->max_size ()->ev ()->u.ulval != 0)
                  {
                    *os << ".out (), "
                        << str->max_size ()->ev ()->u.ulval << ")";
                  }
                else
                  {
                    *os << ".out ()";
                  }
                break;
              case AST_Decl::NT_valuetype:
              case AST_Decl::NT_valuetype_fwd:
              case AST_Decl::NT_eventtype:
              case AST_Decl::NT_eventtype_fwd:
              case AST_Decl::NT_valuebox:
                *os << ".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 (bt);

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

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

                  if (pdt == AST_PredefinedType::PT_pseudo
                      || pdt == AST_PredefinedType::PT_object)
                    {
                      *os << ".out ()";
                    }
                }
              default:
                break;
            }

          *os << ");";
        }

      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << be_nl;

      // Handle the array of array case, where we need to pass the
      // forany type.
      if (nt == AST_Decl::NT_array)
        {
          *os << bt->name () << "_var tmp_var ("
              << bt->name () << "_dup (_tao_array";

          for (i = 0; i < ndims; ++i)
            {
              *os << "[i" << i << "]";
            }

          *os << "));" << be_nl;
          *os << bt->name () << "_forany tmp (tmp_var.inout ());" << be_nl;
          *os << "_tao_marshal_flag = (strm << tmp);";
        }
      else if (nt == AST_Decl::NT_interface
               || nt == AST_Decl::NT_interface_fwd)
        {
          *os << "_tao_marshal_flag = " << be_idt_nl
              << "TAO::Objref_Traits<" << bt->name () << ">::"
              << "marshal (_tao_array";

          for (i = 0; i < ndims; ++i)
            {
              *os << "[i" << i << "]";
            }

          *os << ".in (), strm);" << be_uidt;
        }
      else
        {
          be_string *str = 0;
          if (bt->node_type () == AST_Decl::NT_string ||
              bt->node_type () == AST_Decl::NT_wstring)
            {
              str = be_string::narrow_from_decl (bt);
              if (!str)
                {
                  ACE_ERROR_RETURN ((LM_ERROR,
                                     "(%N:%l) be_visitor_array_cdr_op_cs::"
                                     "visit_node - "
                                     "bad string node\n"),
                                    -1);
                }
            }

          *os << "_tao_marshal_flag = (strm << ";
          if (str != 0 && str->max_size ()->ev ()->u.ulval != 0)
            {
              if (str->width () == (long) sizeof (char))
                {
                  *os << "ACE_OutputCDR::from_string (_tao_array ";
                }
              else
                {
                  *os << "ACE_OutputCDR::from_wstring (_tao_array ";
                }
            }
          else
            {
              *os << "_tao_array ";
            }

          for (i = 0; i < ndims; ++i)
            {
              *os << "[i" << i << "]";
            }

          switch (bt->node_type ())
            {
              // The following have a _var type and must be
              // handled in a special way.
              case AST_Decl::NT_string:
              case AST_Decl::NT_wstring:
                if (str->max_size ()->ev ()->u.ulval != 0)
                  {
                    *os << ".in (), "
                        << str->max_size ()->ev ()->u.ulval << ")";
                  }
                else
                  {
                    *os << ".in ()";
                  }
                break;
              case AST_Decl::NT_valuetype:
              case AST_Decl::NT_valuetype_fwd:
              case AST_Decl::NT_eventtype:
              case AST_Decl::NT_eventtype_fwd:
              case AST_Decl::NT_valuebox:
                *os << ".in ()";
                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 (bt);

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

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

                  if (pdt == AST_PredefinedType::PT_pseudo
                      || pdt == AST_PredefinedType::PT_object)
                    {
                      *os << ".in ()";
                    }
                }
              default:
                break;
            }

          *os << ");";
        }

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

  for (i = 0; i < ndims; ++i)
    {
      // Decrement indentation as many times as the number of dimensions.
      *os << be_uidt_nl << "}" << be_uidt;
    }

  *os << be_nl_2 << "return _tao_marshal_flag;" << be_uidt_nl;

  return 0;
}
Example #8
0
int
be_visitor_array_cdr_op_cs::visit_predefined_type (
  be_predefined_type *node)
{
  TAO_OutStream *os = this->ctx_->stream ();

  switch (node->pt ())
    {
    case AST_PredefinedType::PT_pseudo:
    case AST_PredefinedType::PT_object:
    case AST_PredefinedType::PT_value:
    case AST_PredefinedType::PT_abstract:
    case AST_PredefinedType::PT_any:
      // Let the helper handle this.
      return this->visit_node (node);
    case AST_PredefinedType::PT_void:
      // error
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "Bad primitive type\n"),
                        -1);
    default:
      // All other primitive types. Handle them as shown below.
      break;
    };

  // We get here if the "type" of individual elements of the array is a
  // primitive type. In this case, we treat the array as a single dimensional
  // array (even though it was multi-dimensional), and pass the total length
  // of the array as a cross product of the dimensions.

  unsigned long i;

  // Grab the array node.
  be_array *array =
    be_array::narrow_from_decl (this->ctx_->node ());

  if (array == 0)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad array node\n"),
                        -1);
    }

  // We generate optimized code based on an optimized interface available from
  // the CDR class. These optimizations are applicable only to primitive
  // types.
  *os << "return" << be_idt_nl
      << "strm.";

  // Based on our substate, we may be reading from a stream or writing into a
  // stream.
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << "read_";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << "write_";
      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad sub state\n"),
                        -1);
    }

  // Determine what kind of array are we reading/writing.
  switch (node->pt ())
    {
    case AST_PredefinedType::PT_long:
      *os << "long_array";
      break;
    case AST_PredefinedType::PT_ulong:
      *os << "ulong_array";
      break;
    case AST_PredefinedType::PT_short:
      *os << "short_array";
      break;
    case AST_PredefinedType::PT_ushort:
      *os << "ushort_array";
      break;
    case AST_PredefinedType::PT_octet:
      *os << "octet_array";
      break;
    case AST_PredefinedType::PT_char:
      *os << "char_array";
      break;
    case AST_PredefinedType::PT_wchar:
      *os << "wchar_array";
      break;
    case AST_PredefinedType::PT_float:
      *os << "float_array";
      break;
    case AST_PredefinedType::PT_double:
      *os << "double_array";
      break;
    case AST_PredefinedType::PT_longlong:
      *os << "longlong_array";
      break;
    case AST_PredefinedType::PT_ulonglong:
      *os << "ulonglong_array";
      break;
    case AST_PredefinedType::PT_longdouble:
      *os << "longdouble_array";
      break;
    case AST_PredefinedType::PT_boolean:
      *os << "boolean_array";
      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad primitive type for optimized code gen\n"),
                        -1);
    }

  // Handle special case to avoid compiler errors.
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << " (" << be_idt << be_idt_nl
          << "reinterpret_cast <";
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << " (" << be_idt << be_idt_nl
          << "reinterpret_cast <const ";
      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad substate in context\n"),
                        -1);
    }

  switch (node->pt ())
    {
    case AST_PredefinedType::PT_long:
      *os << "ACE_CDR::Long";
      break;
    case AST_PredefinedType::PT_ulong:
      *os << "ACE_CDR::ULong";
      break;
    case AST_PredefinedType::PT_short:
      *os << "ACE_CDR::Short";
      break;
    case AST_PredefinedType::PT_ushort:
      *os << "ACE_CDR::UShort";
      break;
    case AST_PredefinedType::PT_octet:
      *os << "ACE_CDR::Octet";
      break;
    case AST_PredefinedType::PT_char:
      *os << "ACE_CDR::Char";
      break;
    case AST_PredefinedType::PT_wchar:
      *os << "ACE_CDR::WChar";
      break;
    case AST_PredefinedType::PT_float:
      *os << "ACE_CDR::Float";
      break;
    case AST_PredefinedType::PT_double:
      *os << "ACE_CDR::Double";
      break;
    case AST_PredefinedType::PT_longlong:
      *os << "ACE_CDR::LongLong";
      break;
    case AST_PredefinedType::PT_ulonglong:
      *os << "ACE_CDR::ULongLong";
      break;
    case AST_PredefinedType::PT_longdouble:
      *os << "ACE_CDR::LongDouble";
      break;
    case AST_PredefinedType::PT_boolean:
      *os << "ACE_CDR::Boolean";
      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad primitive type for optimized code gen\n"),
                        -1);
    }

  // Handle special case to avoid compiler errors.
  switch (this->ctx_->sub_state ())
    {
    case TAO_CodeGen::TAO_CDR_INPUT:
      *os << " *> (_tao_array.out ())," << be_nl;
      break;
    case TAO_CodeGen::TAO_CDR_OUTPUT:
      *os << " *> (_tao_array.in ())," << be_nl;
      break;
    default:
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_array_cdr_op_cs::"
                         "visit_predefined_type - "
                         "bad substate in context\n"),
                        -1);
    }

  unsigned long ndims = array->n_dims ();

  // Generate a product of all the dimensions. This will be the total length
  // of the "unfolded" single dimensional array.
  for (i = 0; i < ndims; ++i)
    {
      // Retrieve the ith dimension value.
      AST_Expression *expr = array->dims ()[i];

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

      if (i != 0)
        {
          // Do not generate the multiplication operator the first time in.
          *os << "*";
        }

      if (expr->ev ()->et == AST_Expression::EV_ulong)
        {
          // Generate a loop for each dimension.
          *os << expr->ev ()->u.ulval;
        }
      else
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_array_cdr_op_cs::"
                             "visit_predefined_type - "
                             "bad array dimension value\n"),
                            -1);
        }
    }

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

  return 0;
}
Example #9
0
// Determine the default value (if any).
int
AST_Union::compute_default_value (void)
{
  // Check if we really need a default value. This will be true if there is an
  // explicit default case OR if an implicit default exists because not all
  // values of the discriminant type are covered by the cases.

  // Compute the total true "case" labels i.e., exclude the "default" case.
  ACE_UINT64 total_case_members = 0;

  // In the case of a (unsigned) long long discriminant being fully used
  // the total case count would actually overflow back to zero.
  // This is 'end of days' programming but what the heck. We're here now.
  bool first_case_found = false;

  // Instantiate a scope iterator.
  for (UTL_ScopeActiveIterator si (this, UTL_Scope::IK_decls);
       !si.is_done ();
       si.next ())
    {
      // Get the next AST decl node.
      AST_UnionBranch *ub =
        AST_UnionBranch::narrow_from_decl (si.item ());

      if (ub != 0)
        {
          // If the label is a case label, increment by 1.
          for (unsigned long i = 0; i < ub->label_list_length (); ++i)
            {
              if (ub->label (i)->label_kind () == AST_UnionLabel::UL_label)
                {
                  ++total_case_members;
                  first_case_found = true;
                }
            }
        }
    }

  // Check if the total_case_members cover the entire
  // range of values that are permitted by the discriminant type. If they do,
  // then a default value is not necessary. However, if such an explicit
  // default case is provided, it must be flagged off as an error. Our
  // front-end is not able to handle such a case since it is a semantic error
  // and not a syntax error. Such an error is caught here.

  switch (this->udisc_type ())
    {
    case AST_Expression::EV_short:
    case AST_Expression::EV_ushort:
      if (total_case_members > ACE_UINT16_MAX)
        {
          this->default_value_.computed_ = 0;
        }

      break;
    case AST_Expression::EV_long:
    case AST_Expression::EV_ulong:
    case AST_Expression::EV_enum:
      // Enums in CORBA are always 32bits in size, so unless
      // there are that many enum labels in the set, it is
      // incomplete (reguardless as to the actual member_count).
      if (total_case_members > ACE_UINT32_MAX)
        {
          this->default_value_.computed_ = 0;
        }

      break;
    case AST_Expression::EV_longlong:
    case AST_Expression::EV_ulonglong:
      // We would wrap to 0 here - we are using a 64 bit count
      if (first_case_found && total_case_members == 0)
        {
          // If anyone ever produces a "default clause is invalid here" error
          // after passing through here I will buy them a a house.
          this->default_value_.computed_ = 0;
        }

      break;
    case AST_Expression::EV_char:
      if (total_case_members > ACE_OCTET_MAX)
        {
          this->default_value_.computed_ = 0;
        }

      break;
    case AST_Expression::EV_wchar:
      if (total_case_members == ACE_WCHAR_MAX + 1)
        {
          this->default_value_.computed_ = 0;
        }

      break;
    case AST_Expression::EV_bool:
      if (total_case_members == 2)
        {
          this->default_value_.computed_ = 0;
        }

      break;
    default:
      // Error.
      this->default_value_.computed_ = -1;
      ACE_ERROR_RETURN ((LM_ERROR,
                         ACE_TEXT ("(%N:%l) AST_Union::compute_default_value")
                         ACE_TEXT (" - Bad discriminant type\n")),
                        -1);
      ACE_NOTREACHED (break;)
    } // End of switch

  // If we have determined that we don't have a default case and even then a
  // default case was provided, flag this off as error.
  if ((this->default_value_.computed_ == 0)
      && (this->default_index () != -1))
    {
      // Error.
      this->default_value_.computed_ = -1;
      ACE_ERROR_RETURN ((LM_ERROR,
                         ACE_TEXT ("(%N:%l) AST_Union::compute_default_value")
                         ACE_TEXT (" - default clause is invalid here\n")),
                        -1);
    }

  // Proceed only if necessary.
  switch (this->default_value_.computed_)
    {
    case -1:
      // Error. We should never be here because errors
      // have already been caught
      // above.
      return -1;
    case 0:
      // Nothing more to do.
      return 0;
    default:
      // Proceed further down.
      break;
    }

  // Initialization of the default value data member.
  switch (this->udisc_type ())
    {
    case AST_Expression::EV_short:
      this->default_value_.u.short_val = ACE_INT16_MIN;
      break;
    case AST_Expression::EV_ushort:
      this->default_value_.u.ushort_val = 0;
      break;
    case AST_Expression::EV_long:
      // The +1 is to avert a warning on many compilers.
      this->default_value_.u.long_val = ACE_INT32_MIN + 1;
      break;
    case AST_Expression::EV_ulong:
      this->default_value_.u.ulong_val = 0;
      break;
    case AST_Expression::EV_char:
      this->default_value_.u.char_val = 0;
      break;
    case AST_Expression::EV_wchar:
      this->default_value_.u.wchar_val = 0;
      break;
    case AST_Expression::EV_bool:
      this->default_value_.u.bool_val = 0;
      break;
    case AST_Expression::EV_enum:
      this->default_value_.u.enum_val = 0;
      break;
    case AST_Expression::EV_longlong:
      this->default_value_.u.longlong_val = 0;
      break;
    case AST_Expression::EV_ulonglong:
      this->default_value_.u.ulonglong_val = 0;
      break;
    default:
      // Error caught earlier.
      break;
    }

  // Proceed until we have found the appropriate default value.
  while (this->default_value_.computed_ == -2)
    {
      int break_loop = 0;

      // Instantiate a scope iterator.
      for (UTL_ScopeActiveIterator si (this, UTL_Scope::IK_decls);
           !si.is_done () && break_loop == 0;
           si.next ())
        {
          // Get the next AST decl node
          AST_UnionBranch *ub =
            AST_UnionBranch::narrow_from_decl (si.item ());

          if (ub != 0)
            {
              for (unsigned long i = 0;
                   i < ub->label_list_length () && !break_loop;
                   ++i)
                {
                  if (ub->label (i)->label_kind () == AST_UnionLabel::UL_label)
                    {
                      // Not a default.
                      AST_Expression *expr = ub->label (i)->label_val ();

                      if (expr == 0)
                        {
                          // Error.
                          this->default_value_.computed_ = -1;
                          ACE_ERROR_RETURN ((
                              LM_ERROR,
                              ACE_TEXT ("(%N:%l) AST_Union::")
                              ACE_TEXT ("compute_default_value - ")
                              ACE_TEXT ("Bad case label value\n")
                            ),
                            -1
                          );
                        }

                      switch (expr->ev ()->et)
                        {
                          // Check if they match in which case this
                          // cannot be the implicit default value. So
                          // start with a new value and try the whole loop
                          // again because our case labels may not be sorted.
                        case AST_Expression::EV_short:
                          if (this->default_value_.u.short_val
                                == expr->ev ()->u.sval)
                            {
                              this->default_value_.u.short_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_ushort:
                          if (this->default_value_.u.ushort_val
                                == expr->ev ()->u.usval)
                            {
                              this->default_value_.u.ushort_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_long:
                          if (this->default_value_.u.long_val
                                == expr->ev ()->u.lval)
                            {
                              this->default_value_.u.long_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_ulong:
                          if (this->default_value_.u.ulong_val
                                == expr->ev ()->u.ulval)
                            {
                              this->default_value_.u.ulong_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_char:
                          if (this->default_value_.u.char_val
                                == expr->ev ()->u.cval)
                            {
                              this->default_value_.u.char_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_wchar:
                          if (this->default_value_.u.wchar_val
                                == expr->ev ()->u.wcval)
                            {
                              this->default_value_.u.wchar_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_bool:
                          if (this->default_value_.u.bool_val
                                == expr->ev ()->u.bval)
                            {
                              this->default_value_.u.bool_val ^= true;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_enum:
                          // this is the case of enums. We maintain
                          // evaluated values which always start with 0
                          if (this->default_value_.u.enum_val
                                == expr->ev ()->u.eval)
                            {
                              this->default_value_.u.enum_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_longlong:
                          if (this->default_value_.u.longlong_val
                                == expr->ev ()->u.llval)
                            {
                              this->default_value_.u.longlong_val++;
                              break_loop = 1;
                            }

                          break;
                        case AST_Expression::EV_ulonglong:
                          if (this->default_value_.u.ulonglong_val
                                == expr->ev ()->u.ullval)
                            {
                              this->default_value_.u.ulonglong_val++;
                              break_loop = 1;
                            }

                          break;
                        default:
                          // Error.
                          break;
                        } // End of switch.
                    } // if label_Kind == label
                } // End of for loop going thru all labels.
            } // If valid union branch.
        } // End of while scope iterator loop.

      // We have not aborted the inner loops which means we have found the
      // default value.
      if (break_loop == 0)
        {
          this->default_value_.computed_ = 1;
        }

    } // End of outer while (default_value.computed == -2).

  return 0;
}