//=============================================================================
/**
 *  @file    field_ci.cpp
 *
 *   Visitor for the Valuebox class.
 *   This one generates code for accessor and modifier functions of
 *  for valuebox struct members.
 *
 *  @author Gary Maxey
 */
//=============================================================================

#include "valuebox.h"

be_visitor_valuebox_field_ci::be_visitor_valuebox_field_ci (
    be_visitor_context *ctx
  )
  : be_visitor_decl (ctx),
    vb_node_ (nullptr)
{
}

be_visitor_valuebox_field_ci::~be_visitor_valuebox_field_ci ()
{
}

int
be_visitor_valuebox_field_ci::visit_field (be_field *node)
{
  be_type *bt = dynamic_cast<be_type*> (node->field_type ());

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

  // Store the valuebox in the visitor member, then replace the
  // context value with the field node.
  this->vb_node_ =
    dynamic_cast<be_valuebox*> (this->ctx_->node ());
  this->ctx_->node (node);

  if (bt->accept (this) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "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_valuebox_field_ci::visit_array (be_array *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_array - "
                         "bad context information\n"),
                        -1);
    }

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

  char fname [NAMEBUFSIZE];
  ACE_OS::memset (fname,
                  '\0',
                  NAMEBUFSIZE);

  if (bt->node_type () != AST_Decl::NT_typedef)
    {
      // 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 =
                 dynamic_cast<be_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 ());
    }

  TAO_INSERT_COMMENT (os);

  *os << "/// Modifier to set the member." << be_nl;

  *os << "ACE_INLINE void" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " (" << fname << " val)" << be_nl
      << "{" << be_idt_nl
      << fname << "_copy ("
      << "this->_pd_value->" << field->local_name ()
      << ", val);" << be_uidt_nl
      << "}" << be_nl_2;

  *os << "/// Accessor to retrieve the member." << be_nl;

  *os << "ACE_INLINE const " << fname << "_slice *" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " () const" << be_nl
      << "{" << be_idt_nl
      << "return this->_pd_value->" << field->local_name ()
      << ";" << be_uidt_nl
      << "}" << be_nl_2;

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_enum (be_enum *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_enum - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  this->emit_member_set (field, bt, "", "");
  this->emit_member_get (field, bt, "", "", "const", "");

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_interface (be_interface *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_interface - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  *os << "// Modifier to set the member." << be_nl;

  *os << "ACE_INLINE void" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " (" << bt->name () << "_ptr val)"
      << be_nl << "{" << be_idt_nl
      << "this->_pd_value->" << field->local_name ()
      << " = " << "TAO::Objref_Traits< ::" << bt->name ()
      << ">::duplicate (val);" << be_uidt << be_uidt_nl
      << "}" << be_nl_2;

  this->emit_member_get (field, bt, "", "_ptr", "const", ".in ()");

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_interface_fwd (be_interface_fwd *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_interface_fwd - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  *os << "// Modifier to set the member." << be_nl;

  *os << "ACE_INLINE void" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " (" << bt->name () << "_ptr val)"
      << be_nl << "{" << be_idt_nl
      << "this->_pd_value->" << field->local_name ()
      << " = " << "TAO::Objref_Traits< ::" << bt->name ()
      << ">::duplicate (val);" << be_uidt << be_uidt_nl
      << "}" << be_nl_2;

  this->emit_member_get (field, bt, "", "_ptr", "const", ".in ()");

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_valuetype (be_valuetype *)
{
  // Valuetype is not a valid component of a valuebox
  return 0;
}

int
be_visitor_valuebox_field_ci::visit_eventtype (be_eventtype *)
{
  // Valuetype is not a valid component of a valuebox
  return 0;
}

int
be_visitor_valuebox_field_ci::visit_valuetype_fwd (be_valuetype_fwd *)
{
  // Valuetype is not a valid component of a valuebox
  return 0;
}

int
be_visitor_valuebox_field_ci::visit_eventtype_fwd (be_eventtype_fwd *)
{
  // Valuetype is not a valid component of a valuebox
  return 0;
}

int
be_visitor_valuebox_field_ci::visit_predefined_type (be_predefined_type *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_predefined_type - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  switch (node->pt ())
  {
    case AST_PredefinedType::PT_pseudo:
    case AST_PredefinedType::PT_object:
      *os << "// Modifier to set the member." << be_nl;

      *os << "ACE_INLINE void" << be_nl
          << vb_node_->name () << "::" << field->local_name ()
          << " ( ::" << bt->name () << "_ptr val)"
          << be_nl << "{" << be_idt_nl
          << "this->_pd_value->" << field->local_name ()
          << " = ::" << bt->name() << "::_duplicate (val);" << be_uidt_nl
          << "}" << be_nl_2;

      this->emit_member_get (field, bt, " ::", "_ptr", "const", ".in ()");
      break;
    case AST_PredefinedType::PT_any:
      this->emit_member_set (field, bt, "const ::", " &");
      this->emit_member_get (field, bt, "const ::", " &", "const", "");
      this->emit_member_get (field, bt, " ::", " &", "", "");
      break;
    case AST_PredefinedType::PT_void:
      break;
    default:
      this->emit_member_set (field, bt, " ::", "");
      this->emit_member_get (field, bt, " ::", "", "const", "");
      break;
  }

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_sequence (be_sequence *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_sequence - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  this->emit_member_set (field, bt, "const ", " &");
  this->emit_member_get (field, bt, "const ", " &", "const", "");
  this->emit_member_get (field, bt, "", " &", "", "");

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_string (be_string *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_predefined_type - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  this->emit_member_set (field, bt, "", "");
  this->emit_member_set (field, bt, "const ", "");

  *os << "// Modifier to set the member." << be_nl;

  const char *string_type = "";
  if (node->node_type () == AST_Decl::NT_string)
    {
      string_type = "String";
    }
  else if (node->node_type () == AST_Decl::NT_wstring)
    {
      string_type = "WString";
    }

  *os << "ACE_INLINE void" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " (const ::CORBA::" << string_type << "_var & val)"
      << be_nl << "{" << be_idt_nl
      << "this->_pd_value->" << field->local_name ()
      << " = val;" << be_uidt_nl
      << "}" << be_nl_2;

  this->emit_member_get (field, bt, "const ", "", "const", "");

  return 0;
}

int
be_visitor_valuebox_field_ci::visit_structure (be_structure *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_structure - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  this->emit_member_set (field, bt, "const ", " &");
  this->emit_member_get (field, bt, "const ", " &", "const", "");
  this->emit_member_get (field, bt, "", " &", "", "");

  return 0;
}

int
be_visitor_valuebox_field_ci::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_valuebox_field_ci::"
                         "visit_typedef - "
                         "Bad primitive type\n"),
                        -1);
    }

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

int
be_visitor_valuebox_field_ci::visit_union (be_union *node)
{
  be_decl *field = this->ctx_->node ();
  be_type *bt = nullptr;

  // 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 (!field || !vb_node_)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_valuebox_field_ci::"
                         "visit_union - "
                         "bad context information\n"),
                        -1);
    }

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

  TAO_INSERT_COMMENT (os);

  this->emit_member_set (field, bt, "const ", " &");
  this->emit_member_get (field, bt, "const ", " &", "const", "");
  this->emit_member_get (field, bt, "", " &", "", "");

  return 0;
}

void
be_visitor_valuebox_field_ci::emit_member_set (be_decl *field,
                                               be_type *field_type,
                                               const char *const_arg,
                                               const char *arg_modifier)
{
  TAO_OutStream *os = this->ctx_->stream ();

  *os << "// Modifier to set the member." << be_nl;

  *os << "ACE_INLINE void" << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " (" << const_arg << field_type->name () << arg_modifier << " val)"
      << be_nl << "{" << be_idt_nl
      << "this->_pd_value->" << field->local_name ()
      << " = val;" << be_uidt_nl
      << "}" << be_nl_2;

}

void
be_visitor_valuebox_field_ci::emit_member_get (be_decl *field,
                                               be_type *field_type,
                                               const char *const_prefix,
                                               const char *type_suffix,
                                               const char *const_method,
                                               const char *access_modifier)
{
  TAO_OutStream *os = this->ctx_->stream ();

  *os << "/// Accessor to retrieve the member." << be_nl;

  *os << "ACE_INLINE " << const_prefix << field_type->name () << type_suffix
      << be_nl
      << vb_node_->name () << "::" << field->local_name ()
      << " () " << const_method << be_nl
      << "{" << be_idt_nl
      << "return this->_pd_value->" << field->local_name () << access_modifier
      << ";" << be_uidt_nl
      << "}" << be_nl_2;
}