// $Id: ast_union_label.cpp 89076 2010-02-18 22:54:36Z parsons $

/*

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*/
// AST_UnionLabel denotes the label of a branch in an IDL union
// declaration.
// AST_UnionLabel nodes have a label kind (the values come from the
// enum AST_UnionLabel::LabelKind) and a label value (which is a
// subclass of AST_Expression).

#include "ast_union_label.h"
#include "ast_expression.h"
#include "ast_visitor.h"

// FUZZ: disable check_for_streams_include
#include "ace/streams.h"

AST_UnionLabel::AST_UnionLabel (UnionLabel lk,
                                AST_Expression *lv)
  : pd_label_kind (lk),
    pd_label_val (lv)
{
    if (lv != 0)
      {
        lv->evaluate (AST_Expression::EK_const);
      }
}

AST_UnionLabel::~AST_UnionLabel (void)
{
}

// Redefinition of inherited virtual operations.

// Dump this AST_UnionLabel node to the ostream o.
void
AST_UnionLabel::dump (ACE_OSTREAM_TYPE &o)
{
  if (this->pd_label_kind == UL_default)
    {
      o << "default";
    }
  else
    {
      this->pd_label_val->dump (o);
    }
}

int
AST_UnionLabel::ast_accept (ast_visitor *visitor)
{
  return visitor->visit_union_label (this);
}

void
AST_UnionLabel::destroy (void)
{
  // Otherwise (default label) our label value is 0.
  if (UL_label == this->pd_label_kind)
    {
      this->pd_label_val->destroy ();
      delete this->pd_label_val;
      this->pd_label_val = 0;
    }
}

// Data accessors.

AST_UnionLabel::UnionLabel
AST_UnionLabel::label_kind (void)
{
  return this->pd_label_kind;
}

AST_Expression *
AST_UnionLabel::label_val (void)
{
  return this->pd_label_val;
}
