// $Id$

/*

COPYRIGHT

Copyright 1992, 1993, 1994 Sun Microsystems, Inc.  Printed in the United
States of America.  All Rights Reserved.

This product is protected by copyright and distributed under the following
license restricting its use.

The Interface Definition Language Compiler Front End (CFE) is made
available for your use provided that you include this license and copyright
notice on all media and documentation and the software program in which
this product is incorporated in whole or part. You may copy and extend
functionality (but may not remove functionality) of the Interface
Definition Language CFE without charge, but you are not authorized to
license or distribute it to anyone else except as part of a product or
program developed by you or with the express written consent of Sun
Microsystems, Inc. ("Sun").

The names of Sun Microsystems, Inc. and any of its subsidiaries or
affiliates may not be used in advertising or publicity pertaining to
distribution of Interface Definition Language CFE as permitted herein.

This license is effective until terminated by Sun for failure to comply
with this license.  Upon termination, you shall destroy or return all code
and documentation for the Interface Definition Language CFE.

INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED AS IS WITH NO WARRANTIES OF
ANY KIND INCLUDING THE WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS
FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR ARISING FROM A COURSE OF
DEALING, USAGE OR TRADE PRACTICE.

INTERFACE DEFINITION LANGUAGE CFE IS PROVIDED WITH NO SUPPORT AND WITHOUT
ANY OBLIGATION ON THE PART OF Sun OR ANY OF ITS SUBSIDIARIES OR AFFILIATES
TO ASSIST IN ITS USE, CORRECTION, MODIFICATION OR ENHANCEMENT.

SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES SHALL HAVE NO LIABILITY WITH
RESPECT TO THE INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY
INTERFACE DEFINITION LANGUAGE CFE OR ANY PART THEREOF.

IN NO EVENT WILL SUN OR ANY OF ITS SUBSIDIARIES OR AFFILIATES BE LIABLE FOR
ANY LOST REVENUE OR PROFITS OR OTHER SPECIAL, INDIRECT AND CONSEQUENTIAL
DAMAGES, EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Use, duplication, or disclosure by the government is subject to
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*/

#include "be_visitor_root.h"
#include "be_visitor_ami_pre_proc.h"
#include "be_visitor_amh_pre_proc.h"
#include "be_visitor_ccm_pre_proc.h"
#include "be_visitor_context.h"
#include "be_root.h"
#include "be_extern.h"
#include "global_extern.h"

ACE_RCSID (be, 
           be_produce, 
           "$Id$")

// Clean up before exit, whether successful or not.
TAO_IDL_BE_Export void
BE_cleanup (void)
{
  idl_global->destroy ();
}

// Abort this run of the BE.
TAO_IDL_BE_Export void
BE_abort (void)
{
  ACE_ERROR ((LM_ERROR,
              "Fatal Error - Aborting\n"));

  BE_cleanup ();

  ACE_OS::exit (1);
}

// Do the work of this BE. This is the starting point for code generation.
TAO_IDL_BE_Export void
BE_produce (void)
{
  // Root of the AST made up of BE nodes.
  be_root *root = 0;

  // Context information for the visitor root.
  be_visitor_context ctx;

  // Configure the CodeGen object with the strategy to generate the visitors.
  tao_cg->config_visitor_factory ();

  // Get the root node and narrow it down to be the back-end root node.
  AST_Decl *d = idl_global->root ();
  root = be_root::narrow_from_decl (d);

  if (root == 0)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "No Root\n"));
      BE_abort ();
    }

  if (be_global->do_ccm_preproc ())
    {
      // Make a pass over the AST and introduce
      // CCM specific nodes.
      be_visitor_ccm_pre_proc ccm_preproc_visitor (&ctx);

      if (root->accept (&ccm_preproc_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "CCM preprocessing for Root failed\n"));
          BE_abort ();
        }
    }

  if (be_global->ami_call_back ())
    {
      // Make a pass over the AST and introduce
      // AMI specific interfaces, methods and valuetypes.
      be_visitor_ami_pre_proc ami_preproc_visitor (&ctx);

      if (root->accept (&ami_preproc_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "AMI preprocessing for Root failed\n"));
          BE_abort ();
        }
    }

  if (be_global->gen_amh_classes ())
    {
      // Make a pass over the AST and introduce
      // AMH specific code
      be_visitor_amh_pre_proc amh_pre_proc_visitor (&ctx);

      if (root->accept (&amh_pre_proc_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "AMH preprocessing for Root failed\n"));
          BE_abort ();
        }
    }

  // Initialize the anyop streams here, if the option is set.
  // It has to be done after the filename is set (for this iteration,
  // if there are multiple IDL files) and before stub file generation,
  // since #includes of Any-related files may be redirected to a
  // separate file, if the option below is set.
  if (be_global->gen_anyop_files ())
    {
      int status = 0;

      status =
        tao_cg->start_anyop_source (
                  be_global->be_get_anyop_source_fname ()
                );

      if (status == -1)
        {
          ACE_ERROR ((LM_ERROR,
                            "(%N:%l) TAO_CodeGen::"
                            "TAO_CodeGen - "
                            "Error opening anyop source file\n"));
        }
    }

  // (1) Generate client header,
  // instantiate a visitor context, and set the codegen state
  ctx.state (TAO_CodeGen::TAO_ROOT_CH);

  // Get a root visitor.
  be_visitor_root_ch root_ch_visitor (&ctx);

  // Generate code for the client header
  if (root->accept (&root_ch_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "client header for Root failed\n"));
      BE_abort ();
    }

  // (2) Generate client inline and
  // set the context information.
  ctx.reset ();
  ctx.state (TAO_CodeGen::TAO_ROOT_CI);

  // Create a visitor.
  be_visitor_root_ci root_ci_visitor (&ctx);

  // Generate code for the client inline file.
  if (root->accept (&root_ci_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "client inline for Root failed\n"));
      BE_abort ();
    }

  // (3) Generate client stubs.
  ctx.reset ();
  ctx.state (TAO_CodeGen::TAO_ROOT_CS);

  // Create a visitor.
  be_visitor_root_cs root_cs_visitor (&ctx);

  // Generate code for the client stubs.
  if (root->accept (&root_cs_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "client stubs for Root failed\n"));
      BE_abort ();
    }

    // (4) Generate server header.
  ctx.reset ();
  ctx.state (TAO_CodeGen::TAO_ROOT_SH);

  // Create a visitor.
  be_visitor_root_sh root_sh_visitor (&ctx);

  // Generate code for the server header file.
  if (root->accept (&root_sh_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "server header for Root failed\n"));
      BE_abort ();
    }

  // (5) Generate server inline.
  ctx.reset ();
  ctx.state (TAO_CodeGen::TAO_ROOT_SI);

  // Create a visitor.
  be_visitor_root_si root_si_visitor (&ctx);

  // Generate code for the server inline file.
  if (root->accept (&root_si_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "server inline for Root failed\n"));
      BE_abort ();
    }

  // (6) Generate server skeletons
  ctx.reset ();
  ctx.state (TAO_CodeGen::TAO_ROOT_SS);

  // Create a visitor.
  be_visitor_root_ss root_ss_visitor (&ctx);

  // Generate code for the server skeletons.
  if (root->accept (&root_ss_visitor) == -1)
    {
      ACE_ERROR ((LM_ERROR,
                  "(%N:%l) be_produce - "
                  "server skeletons for Root failed\n"));
      BE_abort ();
    }

  // (7) Generated server template header.
  if (be_global->gen_tie_classes ())
    {
      ctx.reset ();
      ctx.state (TAO_CodeGen::TAO_ROOT_TIE_SH);

      // Create a visitor.
      be_visitor_root_sth sth_visitor (&ctx);

      // Generate code for the implementation header.
      if (root->accept (&sth_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "server template header for Root failed\n"));
          BE_abort ();
        }
    }

  // Check if the flags are set for generating the
  // the implementation header and skeleton files.
  if (be_global->gen_impl_files ())
    {
      // (8) generate implementation header.
      ctx.reset ();
      ctx.state (TAO_CodeGen::TAO_ROOT_IH);

      // Create a visitor.
      be_visitor_root_ih root_ih_visitor (&ctx);

      // Generate code for the implementation header.
      if (root->accept (&root_ih_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "implementation skeletons for Root failed\n"));
          BE_abort ();
        }

      // (9) Generate implementation source.
      ctx.reset ();
      ctx.state (TAO_CodeGen::TAO_ROOT_IS);

      // Create a visitor.
      be_visitor_root_is root_is_visitor (&ctx);

      // Generate code for the implementation source.
      if (root->accept (&root_is_visitor) == -1)
        {
          ACE_ERROR ((LM_ERROR,
                      "(%N:%l) be_produce - "
                      "implementation skeletons for Root failed\n"));
          BE_abort ();
        }
    }

  // Clean up.
  BE_cleanup ();
}