TAO/TAO_IDL/be/be_visitor_union/discriminant_cs.cpp

   1
   2 //=============================================================================
   3 /**
   4  *  @file    discriminant_cs.cpp
   5  *
   6  *  Visitor generating code for discriminant of the union
   7  *
   8  *  @author Aniruddha Gokhale
   9  */
  10 //=============================================================================
  11
  12 #include "union.h"
  13
  14 be_visitor_union_discriminant_cs::be_visitor_union_discriminant_cs (
  15     be_visitor_context *ctx
  16   )
  17   : be_visitor_decl (ctx)
  18 {
  19 }
  20
  21 be_visitor_union_discriminant_cs::~be_visitor_union_discriminant_cs ()
  22 {
  23 }
  24
  25 int
  26 be_visitor_union_discriminant_cs::visit_enum (be_enum *node)
  27 {
  28   be_union *bu =
  29     dynamic_cast<be_union*> (this->ctx_->node ());
  30   be_type *bt = nullptr;
  31
  32   if (this->ctx_->alias ())
  33     {
  34       bt = this->ctx_->alias ();
  35     }
  36   else
  37     {
  38       bt = node;
  39     }
  40
  41   if (bt->node_type () != AST_Decl::NT_typedef
  42       && bt->is_child (bu))
  43     {
  44       // Instantiate a visitor context with a copy of our context. This info
  45       // will be modified based on what type of node we are visiting.
  46       be_visitor_context ctx (*this->ctx_);
  47       ctx.node (node);
  48
  49       // generate the typecode for the enum
  50       be_visitor_enum_cs visitor (&ctx);
  51
  52       if (node->accept (&visitor) == -1)
  53         {
  54           ACE_ERROR_RETURN ((LM_ERROR,
  55                              "(%N:%l) be_visitor_union_discriminant_cs::"
  56                              "visit_enum - "
  57                              "codegen failed\n"),
  58                             -1);
  59         }
  60     }
  61
  62   return 0;
  63 }