TAO/TAO_IDL/be/be_visitor_operation/operation_cs.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    operation_cs.cpp
   5  *
   6  *  Visitor generating code for Operation in the stubs file.
   7  *
   8  *  @author Aniruddha Gokhale & Angelo Corsaro
   9  */
  10 //=============================================================================
  11
  12 #include "operation.h"
  13
  14 // ************************************************************
  15 // Operation visitor for client stubs
  16 // ************************************************************
  17
  18 be_visitor_operation_cs::be_visitor_operation_cs (be_visitor_context *ctx)
  19   : be_visitor_operation (ctx)
  20 {
  21 }
  22
  23 be_visitor_operation_cs::~be_visitor_operation_cs ()
  24 {
  25 }
  26
  27 // Processing to be done after every element in the scope is processed.
  28 int
  29 be_visitor_operation_cs::post_process (be_decl *bd)
  30 {
  31   // All we do here is to insert a comma and a newline.
  32   TAO_OutStream *os = this->ctx_->stream ();
  33
  34   if (!this->last_node (bd))
  35     {
  36       *os << "," << be_nl;
  37     }
  38
  39   return 0;
  40 }
  41
  42 int
  43 be_visitor_operation_cs::visit_operation (be_operation *node)
  44 {
  45   UTL_Scope *s =
  46     this->ctx_->attribute ()
  47       ? this->ctx_->attribute ()->defined_in ()
  48       : node->defined_in ();
  49
  50   be_interface *intf = dynamic_cast<be_interface*> (s);
  51
  52   if (intf == nullptr)
  53     {
  54       be_porttype *pt = dynamic_cast<be_porttype*> (s);
  55
  56       if (pt == nullptr)
  57         {
  58           ACE_ERROR_RETURN ((LM_ERROR,
  59                              ACE_TEXT ("be_visitor_operation_cs::")
  60                              ACE_TEXT ("visit_operation - ")
  61                              ACE_TEXT ("bad scope\n")),
  62                             -1);
  63         }
  64       else
  65         {
  66           intf = this->ctx_->interface ();
  67
  68           if (intf == nullptr)
  69             {
  70               ACE_ERROR_RETURN ((LM_ERROR,
  71                                  ACE_TEXT ("be_visitor_operation_cs::")
  72                                  ACE_TEXT ("visit_operation - ")
  73                                  ACE_TEXT ("bad scope\n")),
  74                                 -1);
  75             }
  76         }
  77     }
  78
  79   TAO_OutStream *os = this->ctx_->stream ();
  80   this->ctx_->node (node); // save the node for future use
  81
  82   if (node->is_local ())
  83     {
  84       return 0;
  85     }
  86
  87   TAO_INSERT_COMMENT (os);
  88
  89   // Retrieve the operation return type.
  90   be_type *bt = dynamic_cast<be_type*> (node->return_type ());
  91
  92   if (!bt)
  93     {
  94       ACE_ERROR_RETURN ((LM_ERROR,
  95                          ACE_TEXT ("be_visitor_operation_cs::")
  96                          ACE_TEXT ("visit_operation - ")
  97                          ACE_TEXT ("bad return type\n")),
  98                         -1);
  99     }
 100
 101   // Generate the return type mapping (same as in the header file)
 102   be_visitor_context ctx = *this->ctx_;
 103   be_visitor_operation_rettype rt_visitor = (&ctx);
 104
 105   if (bt->accept (&rt_visitor) == -1)
 106     {
 107       ACE_ERROR_RETURN ((LM_ERROR,
 108                          ACE_TEXT ("be_visitor_operation_cs::")
 109                          ACE_TEXT ("visit_operation - ")
 110                          ACE_TEXT ("codegen for return type failed\n")),
 111                         -1);
 112     }
 113
 114   // Generate the operation name
 115   *os << be_nl
 116       << intf->name () << "::" << node->local_name ();
 117
 118   // Generate the argument list with the appropriate mapping (same as
 119   // in the header file)
 120   ctx = *this->ctx_;
 121   be_visitor_operation_arglist al_visitor (&ctx);
 122
 123   if (node->accept (&al_visitor) == -1)
 124     {
 125       ACE_ERROR_RETURN ((LM_ERROR,
 126                          ACE_TEXT ("be_visitor_operation_cs::")
 127                          ACE_TEXT ("visit_operation - ")
 128                          ACE_TEXT ("codegen for argument list failed\n")),
 129                         -1);
 130     }
 131
 132   if (this->gen_stub_operation_body (node, bt) == -1)
 133     {
 134       ACE_ERROR_RETURN ((LM_ERROR,
 135                          ACE_TEXT ("be_visitor_operation_cs::")
 136                          ACE_TEXT ("visit_operation - ")
 137                          ACE_TEXT ("codegen for stub body failed\n")),
 138                         -1);
 139     }
 140
 141   /// If we are in a reply handler, are not an execp_* operation,
 142   /// and have no native args, then generate the AMI static
 143   /// reply stub declaration.
 144   if (intf != nullptr
 145       && intf->is_ami_rh ()
 146       && !node->is_excep_ami ()
 147       && !node->has_native ())
 148     {
 149       be_visitor_operation_ami_handler_reply_stub_operation_cs v (
 150         this->ctx_);
 151
 152       int status = v.visit_operation (node);
 153
 154       if (status == -1)
 155         {
 156           ACE_ERROR_RETURN ((LM_ERROR,
 157                              ACE_TEXT ("be_visitor_operation_cs::")
 158                              ACE_TEXT ("visit_operation - ")
 159                              ACE_TEXT ("codegen for AMI reply stub failed\n")),
 160                             -1);
 161         }
 162     }
 163
 164   return 0;
 165 }
 166
 167 int
 168 be_visitor_operation_cs::visit_argument (be_argument *node)
 169 {
 170   // This method is used to generate the ParamData table entry.
 171
 172   TAO_OutStream *os = this->ctx_->stream ();
 173   be_type *bt = dynamic_cast<be_type*> (node->field_type ());
 174
 175   if (!bt)
 176     {
 177       ACE_ERROR_RETURN ((LM_ERROR,
 178                          ACE_TEXT ("be_visitor_operation_cs::")
 179                          ACE_TEXT ("visit_argument - ")
 180                          ACE_TEXT ("bad argument type\n")),
 181                         -1);
 182     }
 183
 184   os->indent ();
 185   *os << "{" << bt->tc_name () << ", ";
 186
 187   switch (node->direction ())
 188     {
 189     case AST_Argument::dir_IN:
 190       *os << "PARAM_IN, ";
 191       break;
 192     case AST_Argument::dir_INOUT:
 193       *os << "PARAM_INOUT, ";
 194       break;
 195     case AST_Argument::dir_OUT:
 196       *os << "PARAM_OUT, ";
 197       break;
 198     }
 199
 200   *os << "0}";
 201
 202   return 0;
 203 }