path: root/TAO/TAO_IDL/be/be_produce.cpp

// $Id$

/*

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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 ();
}