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

#include "operation.h"

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

be_visitor_operation_ih::~be_visitor_operation_ih ()
{
}

int
be_visitor_operation_ih::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 ();
  this->ctx_->node (node);

  *os << be_nl_2;

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

  // every operation is declared virtual in the client code
  *os << "virtual" << be_nl;

  // 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_ih::"
                         "visit_operation - "
                         "Bad return type\n"),
                        -1);
    }

  // grab the right visitor to generate the return type
  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_ih::"
                         "visit_operation - "
                         "codegen for return type failed\n"),
                        -1);
    }

  // STEP 2: generate the operation name
  *os << " " << 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_IH);
  be_visitor_operation_arglist oa_visitor (&ctx);

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

  return 0;
}