// This may look like C, but it's really -*- C++ -*-
// ast_union_label.h,v 1.13 2003/11/04 21:47:52 dhinton Exp
/*

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*/

#ifndef _AST_UNION_LABEL_AST_UNION_LABEL_HH
#define _AST_UNION_LABEL_AST_UNION_LABEL_HH

#include "TAO_IDL_FE_Export.h"
#include "ace/iosfwd.h"

class AST_Expression;
class ast_visitor;

// Defines labels for unions.

class TAO_IDL_FE_Export AST_UnionLabel
{
public:
  // Define kind of label.
  enum UnionLabel
    {
        UL_default
      , UL_label 
    };

  AST_UnionLabel (void);

  AST_UnionLabel (UnionLabel lk,
                  AST_Expression *lv);

  virtual ~AST_UnionLabel (void);

  UnionLabel label_kind (void);

  AST_Expression *label_val (void);

  // AST Dumping.
  virtual void dump (ACE_OSTREAM_TYPE &o);

  // Visiting.
  virtual int ast_accept (ast_visitor *visitor);

private:
  // Data.

  UnionLabel pd_label_kind;
  // Label kind.

  AST_Expression *pd_label_val;
  // Label expression.
};

#endif           // _AST_UNION_LABEL_AST_UNION_LABEL_HH
