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//=============================================================================
/**
 *  @file    operation_is.cpp
 *
 *  Visitor generating code for Operation in the implementation skeleton
 *
 *  @author Yamuna Krishnamurthy (yamuna@cs.wustl.edu)
 */
//=============================================================================

#include "operation.h"

be_visitor_operation_is::be_visitor_operation_is (be_visitor_context *ctx)
  : be_visitor_operation (ctx)
{
}

be_visitor_operation_is::~be_visitor_operation_is ()
{
}

int
be_visitor_operation_is::visit_operation (be_operation *node)
{
  // Impl classes shouldn't have implied AMI operations.
  if (node->is_sendc_ami ())
    {
      return 0;
    }

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

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

  // STEP I: generate the return type
  be_type *bt = dynamic_cast<be_type*> (node->return_type ());

  if (!bt)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_operation_is::"
                         "visit_operation - "
                         "Bad return type\n"),
                        -1);
    }

  if (be_global->gen_impl_debug_info ())
    {
      TAO_INSERT_COMMENT (os);
    }

  be_visitor_context ctx (*this->ctx_);
  be_visitor_operation_rettype oro_visitor (&ctx);

  if (bt->accept (&oro_visitor) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_operation_is::"
                         "visit_operation - "
                         "codegen for return type failed\n"),
                        -1);
    }

  const char *classname = nullptr;

  if (intf)
    {
      // If derived class/
      classname = intf->flat_name ();
    }
  else
    {
      classname = ScopeAsDecl (node->defined_in ())->flat_name ();
    }

  // STEP 2: generate the operation name
  *os << " " << be_global->impl_class_prefix () << classname
      << be_global->impl_class_suffix () << "::"
      << node->local_name ();

  // STEP 3: generate the argument list with the appropriate mapping. For these
  // we grab a visitor that generates the parameter listing
  ctx = *this->ctx_;
  ctx.state (TAO_CodeGen::TAO_OPERATION_ARGLIST_IS);
  be_visitor_operation_arglist oa_visitor (&ctx);

  if (node->accept (&oa_visitor) == -1)
    {
      ACE_ERROR_RETURN ((LM_ERROR,
                         "(%N:%l) be_visitor_operation_is::"
                         "visit_operation - "
                         "codegen for argument list failed\n"),
                        -1);
    }

  *os << be_nl << "{" << be_idt_nl;
  *os << "// Add your implementation here" << be_uidt_nl;
  *os << "}" << be_nl_2;

  return 0;
}