field_cs.cpp

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//
// field_cs.cpp,v 1.22 2003/12/09 21:21:36 parsons Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    field_cs.cpp
//
// = DESCRIPTION
//     Visitor for the Valuetype class.
//     This one generates code for accessor and modifier functions of
//     valuetype state members (in the stub file).
//
// = AUTHOR
//    Torsten Kuepper  <[e-mail]>
//    derived from be_visitor_union_branch/public_ci.cpp
//
// ============================================================================
ACE_RCSID (be_visitor_valuetype, 
           field_cs, 
           "field_cs.cpp,v 1.22 2003/12/09 21:21:36 parsons Exp")

be_visitor_valuetype_field_cs::be_visitor_valuetype_field_cs (
    be_visitor_context *ctx
  )
  : be_visitor_decl (ctx),
    in_obv_space_ (0)
{
  setenclosings ("");
}

be_visitor_valuetype_field_cs::~be_visitor_valuetype_field_cs (void)
{
}

int
be_visitor_valuetype_field_cs::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_field_cs::"
                         "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_field_cs::"
                         "visit_field - "
                         "codegen for field type failed\n"), 
                        -1);
    }

  return 0;
}

// Visit operations on all possible data types that a field can be

int
be_visitor_valuetype_field_cs::visit_array (be_array *node)
{
  be_decl *ub = this->ctx_->node ();
  be_valuetype *bu = be_valuetype::narrow_from_decl (this->ctx_->scope ());
  be_type *bt;

  // Check if we are visiting this node via a visit to a typedef node.
  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  if (!ub || !bu)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cs::"
                         "visit_array - "
                         "bad context information\n"), 
                        -1);
    }

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

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

      if (node->accept (&visitor) == -1)
        {
          ACE_ERROR_RETURN ((LM_ERROR,
                             "(%N:%l) be_visitor_valuetype_field_cs::"
                             "visit_array - "
                             "codegen failed\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 (bt->node_type () != AST_Decl::NT_typedef
      && bt->is_child (bu))
    {
      // 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 parent's name.
      if (bt->is_nested ())
        {
          be_decl *parent =
                 be_scope::narrow_from_scope (bt->defined_in ())->decl ();
          ACE_OS::sprintf (fname, 
                           "%s::_%s", 
                           parent->full_name (),
                           bt->local_name ()->get_string ());
        }
      else
        {
          ACE_OS::sprintf (fname, 
                           "_%s", 
                           bt->full_name ());
        }
    }
  else
    {
      // Typedefed node.
      ACE_OS::sprintf (fname, 
                       "%s", 
                       bt->full_name ());
    }

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

  *os << "// Accessor to set the member." << be_nl
      << this->pre_op () << "void" << be_nl;

  this->op_name (bu,
                 os); 
  
  *os << "::" << ub->local_name () << " (" << fname
      << " val)" << be_nl
      << "{" << be_idt_nl;
  *os << fname << "_copy ("
      << bu->field_pd_prefix () << ub->local_name () 
      << bu->field_pd_postfix ()
      << ", val);" << be_uidt_nl;
  *os << "}" << be_nl;

  *os << "// Retrieve the member." << be_nl
      << this->pre_op () << "const " << fname << "_slice *" << be_nl;

  this->op_name (bu,
                 os);

  *os << "::" << ub->local_name () << " (void) const" << be_nl
      << "{" << be_idt_nl;
  *os << "return this->"
      << bu->field_pd_prefix () << ub->local_name ()
      << bu->field_pd_postfix () << ";" << be_uidt_nl
      << "}\n" << be_nl;

  *os << "// Retrieve the member." << be_nl
      << this->pre_op () << fname << "_slice *" << be_nl;

      this->op_name (bu,
                     os);

  *os << "::" << ub->local_name () << " (void)" << be_nl
      << "{" << be_idt_nl;
  *os << "return this->"
      << bu->field_pd_prefix () << ub->local_name ()
      << bu->field_pd_postfix () << ";" << be_uidt_nl;
  *os << "}";

  return 0;
}

int
be_visitor_valuetype_field_cs::visit_enum (be_enum *node)
{
  be_decl *ub = this->ctx_->node ();
  be_valuetype *bu = be_valuetype::narrow_from_decl (this->ctx_->scope ());
  be_type *bt;

  // Check if we are visiting this node via a visit to a typedef node.
  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  if (!ub || !bu)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cs::"
                         "visit_enum - "
                         "bad context information\n"), 
                        -1);
    }

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

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

  *os << "// Accessor to set the member." << be_nl
      << this->pre_op() << "void" << be_nl;

      this->op_name (bu,
                     os);

  *os << "::" << ub->local_name () << " (" << bt->name ()
      << " val)" << be_nl
      << "{" << be_idt_nl;

  *os << "this->"
      << bu->field_pd_prefix () << ub->local_name () 
      << bu->field_pd_postfix ()
      << " = val;" << be_uidt_nl;

  *os << "}" << be_nl;

  *os << "// Retrieve the member." << be_nl
      << this->pre_op () << bt->name () << be_nl;

      this->op_name (bu,
                     os);

  *os << "::" << ub->local_name () << " () const"
      << be_nl
      << "{" << be_idt_nl;

  *os << "return this->"
      << bu->field_pd_prefix() << ub->local_name () 
      << bu->field_pd_postfix ()
      << ";" << be_uidt_nl;

  *os << "}";

  return 0;
}

int
be_visitor_valuetype_field_cs::visit_interface (be_interface *node)
{
  be_decl *ub = this->ctx_->node ();
  be_valuetype *bu = be_valuetype::narrow_from_decl (this->ctx_->scope ());
  be_type *bt;

  // Check if we are visiting this node via a visit to a typedef node.
  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  if (!ub || !bu)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cs::"
                         "visit_interface - "
                         "bad context information\n"), 
                        -1);
    }

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

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

  *os << "// Accessor to set the member." << be_nl
      << this->pre_op () << "void" << be_nl;

      this->op_name (bu,
                     os);

  *os << "::" << ub->local_name () << " (" << bt->name ()
      << "_ptr val)" << be_nl
      << "{" << be_idt_nl;

  *os << "this->"
      << bu->field_pd_prefix () << ub->local_name () 
      << bu->field_pd_postfix ()
      << " = " << bt->name () << "::_duplicate (val);" << be_uidt_nl;
  *os << "}" << be_nl << be_nl;

  *os << "// Retrieve the member." << be_nl
      << this->pre_op () << bt->name () << "_ptr " << be_nl;

      this->op_name (bu,
                     os);

  *os << "::" << ub->local_name () << " () const"
      << be_nl
      << "{" << be_idt_nl;

  *os << "return this->"
      << bu->field_pd_prefix () << ub->local_name () 
      << bu->field_pd_postfix ()
      << ".ptr ();" << be_uidt_nl;

  *os << "}";

  return 0;
}

int
be_visitor_valuetype_field_cs::visit_interface_fwd (be_interface_fwd *node)
{
  be_decl *ub = this->ctx_->node ();
  be_valuetype *bu = be_valuetype::narrow_from_decl (this->ctx_->scope ());
  be_type *bt;

  // Check if we are visiting this node via a visit to a typedef node.
  if (this->ctx_->alias ())
    {
      bt = this->ctx_->alias ();
    }
  else
    {
      bt = node;
    }

  if (!ub || !bu)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_cs::"
                         "visit_interface - "
                         "bad context information\n"), 
                        -1);
    }

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

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

  *os << "// Accessor to set the member." << be_nl
      << this->pre_op () << "void" << be_nl;

  this->op_name (bu,
                 os);

  *os << "::" << ub->local_name () << " (" << bt->name ()
      << "_ptr val)" << be_nl
      << "{" << be_idt_nl;

  *os << "this->"
      << bu->field_pd_prefix () << ub->local_name () 
      << bu->field_pd_postfix ()
      << " = " << bt->name () << "::_duplicate (val);" << be_uidt_nl;
  *os << "}" << be_nl << be_nl;

  *os << "// Retrieve the member" << be_nl
      << this->pre_op () << bt->name () << "_ptr " << be_nl;

  this->op_name (bu,
                 os);

  *os << "::" << ub->local_name () << " () const"
      << be_nl
      << "{" << be_idt_nl;