text: 
  //=============================================================================
  /**
   *  @file    array_cs.cpp
   *
   *  $Id: array_cs.cpp 95536 2012-02-20 12:34:23Z johnnyw $
   *
   *  Visitor for code generation of Arrays in the client stubs
   *
   *
   *  @author Aniruddha Gokhale
   */
  //=============================================================================
  
  #include "array.h"
  
  be_visitor_array_cs::be_visitor_array_cs (be_visitor_context *ctx)
    : be_visitor_array (ctx)
  {
  }
  
  be_visitor_array_cs::~be_visitor_array_cs (void)
  {
  }
  
  int be_visitor_array_cs::visit_array (be_array *node)
  {
    // Nothing to do if we are imported or code is already generated.
    if (node->imported () || (node->cli_stub_gen ()))
      {
        return 0;
      }
  
    TAO_OutStream *os = this->ctx_->stream ();
    ACE_CDR::ULong i;
    this->ctx_->node (node);
  
    // Retrieve the type.
    be_type *bt = be_type::narrow_from_decl (node->base_type ());
  
    if (!bt)
      {
        ACE_ERROR_RETURN ((LM_ERROR,
                           "be_visitor_array_cs::"
                           "visit_array - "
                           "Bad base type\n"),
                          -1);
      }
  
    // To hold the full and local.
    char fname [NAMEBUFSIZE];
    char lname [NAMEBUFSIZE];
    ACE_OS::memset (fname,
                    '\0',
                    NAMEBUFSIZE);
    ACE_OS::memset (lname,
                    '\0',
                    NAMEBUFSIZE);
  
    if (this->ctx_->tdef ())
      {
        // Typedefed node.
        ACE_OS::sprintf (fname, "%s",
                         node->full_name ());
        ACE_OS::sprintf (lname, "%s",
                         node->local_name ()->get_string ());
      }
    else
      {
        // 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 parents's name.
        if (node->is_nested ())
          {
            be_decl *parent =
              be_scope::narrow_from_scope (node->defined_in ())->decl ();
            ACE_OS::sprintf (fname,
                             "%s::_%s",
                             parent->full_name (),
                             node->local_name ()->get_string ());
            ACE_OS::sprintf (lname,
                             "_%s",
                             node->local_name ()->get_string ());
          }
        else
          {
            ACE_OS::sprintf (fname,
                             "_%s",
                             node->full_name ());
            ACE_OS::sprintf (lname,
                             "_%s",
                             node->local_name ()->get_string ());
          }
      }
  
    *os << be_nl_2 << "// TAO_IDL - Generated from" << be_nl
        << "// " << __FILE__ << ":" << __LINE__ << be_nl_2;
  
    // dup method.
    *os << fname << "_slice *" << be_nl
        << fname << "_dup (const " << fname
        << "_slice *_tao_src_array)" << be_nl;
    *os << "{" << be_idt_nl;
    *os << fname << "_slice *_tao_dup_array =" << be_idt_nl
        << fname << "_alloc ();" << be_uidt_nl << be_nl;
    *os << "if (!_tao_dup_array)" << be_idt_nl
        << "{" << be_idt_nl
        << "return static_cast <" << fname
        << "_slice *> (0);" << be_uidt_nl
        << "}" << be_uidt_nl << be_nl;
    *os << fname << "_copy (_tao_dup_array, _tao_src_array);" << be_nl;
    *os << "return _tao_dup_array;" << be_uidt_nl;
    *os << "}" << be_nl_2;
  
    // alloc method.
    *os << fname << "_slice *" << be_nl;
    *os << fname << "_alloc (void)" << be_nl;
    *os << "{" << be_idt_nl;
    *os << fname << "_slice *retval = 0;" << be_nl;
    *os << "ACE_NEW_RETURN (retval, ";
  
    if (bt->accept (this) == -1)
      {
        ACE_ERROR_RETURN ((LM_ERROR,
                           "be_visitor_array_cs::"
                           "visit_array - "
                           "base type decl failed\n"),
                          -1);
      }
  
    if (node->gen_dimensions (os) == -1)
      {
        ACE_ERROR_RETURN ((LM_ERROR,
                           "(%N:%l) be_visitor_array_cs::"
                           "visit_array - "
                           "dimensions codegen failed\n"),
                          -1);
      }
  
    *os << ", 0);" << be_nl;
    *os << "return retval;" << be_uidt_nl;
    *os << "}" << be_nl_2;
  
    // free method.
    *os << "void" << be_nl
        << fname << "_free (" << be_idt << be_idt_nl
        << fname << "_slice *_tao_slice)" << be_uidt
        << be_uidt_nl;
    *os << "{" << be_idt_nl;
    *os << "delete [] _tao_slice;" << be_uidt_nl;
    *os << "}" << be_nl_2;
  
    // copy method.
    *os << "void" << be_nl;
    *os << fname << "_copy (" << be_idt << be_idt_nl
        << fname << "_slice * _tao_to," << be_nl
        << "const " << fname << "_slice *_tao_from)" << be_uidt
        << be_uidt_nl;
    *os << "{" << be_idt_nl;
    *os << "// Copy each individual element." << be_nl;
  
    ACE_CDR::ULong ndims = node->n_dims ();
  
    // Generate nested loops for as many dimensions as there are.
    for (i = 0; i < ndims; ++i)
      {
        // Retrieve the ith dimension value.
        AST_Expression *expr = node->dims ()[i];
  
        if ((expr == 0) || ((expr != 0) && (expr->ev () == 0)))
          {
            ACE_ERROR_RETURN ((LM_ERROR,
                               "(%N:%l) be_visitor_array_cs::"
                               "visit_array - "
                               "bad array dimension\n"),
                              -1);
          }
  
        if (expr->ev ()->et == AST_Expression::EV_ulong)
          {
            // Generate a loop for each dimension.
            *os << "for ( ::CORBA::ULong i" << i << " = 0; i" << i << " < "
                << expr->ev ()->u.ulval << "; ++i" << i << ")" << be_idt_nl
                << "{" << be_idt_nl;
          }
        else
          {
            ACE_ERROR_RETURN ((LM_ERROR,
                               "(%N:%l) be_visitor_array_cs::"
                               "visit_array - "
                               "bad array dimension value\n"),
                              -1);
          }
      }
  
    // Now generate code such that every element of the array gets assigned
    // inside the innermost level of the  nested loops generated above.
    be_array *primitive_type = 0;
  
    if (bt->node_type () == AST_Decl::NT_typedef)
      {
        // Base type of the array node is a typedef. We need to make sure that
        // this typedef is not to another array type. If it is, then we cannot
        // assign an array to another. We will have to invoke the underlying
        // array type's copy method for every array dimension.
  
        // There may be more than one level of typedef.
        be_type *tmp = bt;
  
        while (tmp->node_type () == AST_Decl::NT_typedef)
          {
            be_typedef *tdef = be_typedef::narrow_from_decl (tmp);
            tmp = be_type::narrow_from_decl (tdef->base_type ());
          }
  
        primitive_type = be_array::narrow_from_decl (tmp);
      }
  
    if (primitive_type != 0)
      {
        // The base type is a typedef to another array type, so
        // we use the base type's copy method.
        *os << "// call the underlying _copy" << be_nl;
  
        if (bt->accept (this) == -1)
          {
            ACE_ERROR_RETURN ((LM_ERROR,
                               "be_visitor_array_cs::"
                               "visit_array - "
                               "base type decl failed\n"),
                              -1);
          }
  
        *os << "_copy (_tao_to";
  
        for (i = 0; i < ndims; ++i)
          {
            *os << "[i" << i << "]";
          }
  
        *os << ", ";
        *os << "_tao_from";
  
        for (i = 0; i < ndims; ++i)
          {
            *os << "[i" << i << "]";
          }
  
        *os << ");";
      }
    else
      {
        // The base type is not a typedef to possibly another array type. In
        // such a case, assign each element.
  
        *os << "_tao_to";
  
        for (i = 0; i < ndims; ++i)
          {
            *os << "[i" << i << "]";
          }
  
        *os << " = ";
        *os << "_tao_from";
  
        for (i = 0; i < ndims; ++i)
          {
            *os << "[i" << i << "]";
          }
  
        *os << ";";
      }
  
    for (i = 0; i < ndims; ++i)
      {
        // Add closing braces as many times as the number of dimensions.
        *os << be_uidt_nl << "}" << be_uidt;
      }
  
    *os << be_uidt_nl << "}";
  
    AST_Decl::NodeType nt = bt->node_type ();
  
    // If we contain an anonymous sequence,
    // generate code for the sequence here.
    if (nt == AST_Decl::NT_sequence)
      {
        if (this->gen_anonymous_base_type (bt,
                                           TAO_CodeGen::TAO_ROOT_CS)
            == -1)
          {
            ACE_ERROR_RETURN ((LM_ERROR,
                               "(%N:%l) be_visitor_array_cs::"
                               "visit_array - "
                               "gen_anonymous_base_type failed\n"),
                              -1);
          }
      }
  
    // If the member's element type
    // is a declaration (not a reference), we must generate code for
    // the declaration.
    if (this->ctx_->alias () == 0 // Not a typedef.
        && bt->is_child (this->ctx_->scope ()->decl ()))
      {
        int status = 0;
        be_visitor_context ctx (*this->ctx_);
  
        switch (nt)
        {
          case AST_Decl::NT_enum:
            {
              be_visitor_enum_cs ec_visitor (&ctx);
              status = bt->accept (&ec_visitor);
              break;
            }
          case AST_Decl::NT_struct:
            {
              be_visitor_structure_cs sc_visitor (&ctx);
              status = bt->accept (&sc_visitor);
              break;
            }
          case AST_Decl::NT_union:
            {
              be_visitor_union_cs uc_visitor (&ctx);
              status = bt->accept (&uc_visitor);
              break;
            }
          default:
            break;
        }
  
        if (status == -1)
          {
            ACE_ERROR_RETURN ((LM_ERROR,
                               "(%N:%l) be_visitor_array_ch::"
                               "visit_array - "
                               "array base type codegen failed\n"),
                              -1);
          }
      }
  
    node->cli_stub_gen (true);
    return 0;
  }
  
  