// This may look like C, but it's really -*- C++ -*-
// ast_constant.h,v 1.15 2006/02/09 16:44:15 parsons Exp
/*

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*/

#ifndef _AST_CONSTANT_AST_CONSTANT_HH
#define _AST_CONSTANT_AST_CONSTANT_HH

#include "ast_expression.h"
#include "ast_decl.h"
#include "global_extern.h"

// Representation of constant declaration:
//
// NOTE: Part of the job of the constructor is to convert
// the AST_Constant_val it received to the type denoted by
// the ConstantType it received.
//
// NOTE: There are two constructors here, one that gets a NodeType
// parameter. This constructor is used from AST_EnumVal, which is
// just a glorified AST_Constant

class TAO_IDL_FE_Export AST_Constant : public virtual AST_Decl
{
public:
  AST_Constant (void);

  AST_Constant (AST_Expression::ExprType et,
                AST_Decl::NodeType nt,
                AST_Expression *ev,
                UTL_ScopedName *n);

  AST_Constant (AST_Expression::ExprType et,
                AST_Expression *ev,
                UTL_ScopedName *n);

  virtual ~AST_Constant (void);

  // Data Accessors.
  AST_Expression *constant_value (void);
  AST_Expression::ExprType et (void);

  // Accessors for the private member.
  bool ifr_added (void);
  void ifr_added (bool val);

  const char *exprtype_to_string (void);
  // Returns the appropriate type.

  static const char *exprtype_to_string (AST_Expression::ExprType et);
  // For use with ORBs without the CORBA namespace.

  UTL_ScopedName *enum_full_name (void);
  // If our type is enum, we have to generate the scoped name.

  // Narrowing
  DEF_NARROW_METHODS1(AST_Constant, AST_Decl);
  DEF_NARROW_FROM_DECL(AST_Constant);

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

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

  // Cleanup.
  virtual void destroy (void);

protected:
  AST_Expression *pd_constant_value;
  // The value.

  AST_Expression::ExprType pd_et;
  // Its expression type.

  bool ifr_added_;
  // Has this node been added to the IFR?
};

#endif           // _AST_CONSTANT_AST_CONSTANT_HH
