field_ch.cpp

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//
// field_ch.cpp,v 1.24 2003/09/17 01:28:29 parsons Exp
//

// ============================================================================
//
// = LIBRARY
//    TAO IDL
//
// = FILENAME
//    field_ch.cpp
//
// = DESCRIPTION
//    Visitor generating the accessor and modifier declarations
//    for valuetype fields in the valuetype class (header).
//
// = AUTHOR
//    Torsten Kuepper  <[e-mail]>
//    derived from be_visitor_union_branch/public_ch.cpp
//
// ============================================================================

ACE_RCSID (be_visitor_valuetype, 
           field_ch, 
           "field_ch.cpp,v 1.24 2003/09/17 01:28:29 parsons Exp")

be_visitor_valuetype_field_ch::be_visitor_valuetype_field_ch (
    be_visitor_context *ctx
  )
  : be_visitor_decl (ctx)
{
  setenclosings ("", ";");
}

be_visitor_valuetype_field_ch::~be_visitor_valuetype_field_ch (void)
{
}

int
be_visitor_valuetype_field_ch::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_ch::"
                         "visit_union_branch - "
                         "Bad type\n"),
                        -1);
    }

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

  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuetype_field_ch::"
                         "visit_union_branch - "
                         "codegen failed\n"),
                        -1);
    }

  return 0;
}

// Visit operations on all possible data types (valuetype state member).

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

  // Check if we are visiting this 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_ch::"
                         "visit_array - "
                         "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;

  if (bt->node_type () != AST_Decl::NT_typedef
      && bt->is_child (bu))
    {
      // This is the case of an anonymous array inside a valuetype.
      be_visitor_context ctx (*this->ctx_);
      ctx.node (node);
      ctx.state (TAO_CodeGen::TAO_ARRAY_CH);
      be_visitor_array_ch visitor (&ctx);

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

      ctx.state (TAO_CodeGen::TAO_ROOT_CH);

      // Now use this array as a "type" for the subsequent declarator
      // the set method.
      *os << pre_op () << "void " << ub->local_name () << " ("
          << "_" << bt->local_name () << ")"
          << post_op () << be_nl;
      // The get method.
      *os << pre_op () << "const _" << bt->local_name ()
          << "_slice * " << ub->local_name ()
          << " (void) const" << post_op () << be_nl;
      *os << pre_op () << "_" << bt->local_name ()
          << "_slice * " << ub->local_name ()
          << " (void)" << post_op ();
    }
  else
    {
      // Now use this array as a "type" for the subsequent declarator.
      // The set method.
      *os << pre_op () << "void " << ub->local_name () << " ("
          << bt->name () << ")" << post_op () << be_nl;
      // The get method.
      *os << pre_op()
          << bt->name () << "_slice *" << ub->local_name ()
          << " (void)" << post_op () << be_nl;
      // The get (read/write) method.
      *os << pre_op () << "const "
          << bt->name () << "_slice *" << ub->local_name ()
          << " (void) const" << post_op ();
    }

  return 0;
}

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

  // Check if we are visiting this 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_ch::"
                         "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;

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

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

  // Now use this enum as a "type" for the subsequent declarator
  // the set method.
  *os << pre_op () << "void " << ub->local_name () << " ("
      << bt->name () << ")" << post_op () << be_nl;
  // The get method.
  *os << pre_op () << bt->name () << " " << ub->local_name ()
      << " (void) const" << post_op ();

  return 0;
}

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

  // Check if we are visiting this 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_ch::"
                         "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;

  // Set method.
  *os << pre_op() << "void " << ub->local_name () << " ("
      << bt->name () << "_ptr"
      << ")" << post_op() << be_nl;
  // Get method.
  *os << pre_op()
      << bt->name () << "_ptr " << ub->local_name ()
      << " (void) const" << post_op();

  return 0;
}

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

  // Check if we are visiting this 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_ch::"
                         "visit_interface_fwd - "
                         "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;

  // Set method.
  *os << pre_op () << "void " << ub->local_name () << " ("
      << bt->name () << "_ptr"
      << ")" << post_op () << be_nl;
  // Get method.
  *os << pre_op ()
      << bt->name () << "_ptr " << ub->local_name ()
      << " (void) const" << post_op ();

  return 0;
}

int
be_visitor_valuetype_field_ch::visit_valuetype (be_valuetype *node)
{
  be_decl *ub = this->ctx_->node ();
  be_decl *bu = this->ctx_->scope ();
  be_type *bt;

  // Check if we are visiting this 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_ch::"
                         "visit_valuetype - "
                         "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;

  // Set method.
  *os << pre_op () << "void " << ub->local_name () << " ("
      << bt->name () << " *"
      << ")" << post_op () << be_nl;
  // Get method.
  *os << pre_op ()
      << bt->name () << " *" << ub->local_name ()
      << " (void) const" << post_op ();

  return 0;
}

int
be_visitor_valuetype_field_ch::visit_valuetype_fwd (be_valuetype_fwd *node)
{
  be_decl *ub = this->ctx_->node ();
  be_decl *bu = this->ctx_->scope ();
  be_type *bt;

  // Check if we are visiting this 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_ch::"
                         "visit_valuetype_fwd - "
                         "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;

  // Set method.
  *os << pre_op () << "void " << ub->local_name () << " ("
      << bt->name () << " *"
      << ")" << post_op () << be_nl;
  // Get method.
  *os << pre_op ()
      << bt->name () << " *" << ub->local_name ()