include/mcld/Script/ExprToken.h

//===- ExprToken.h --------------------------------------------------------===//
//
//                     The MCLinker Project
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef MCLD_SCRIPT_EXPRTOKEN_H_
#define MCLD_SCRIPT_EXPRTOKEN_H_

namespace mcld {

/** \class ExprToken
 *  \brief This class defines the interfaces to an expression token.
 */

class ExprToken {
 public:
  enum Kind { OPERATOR, OPERAND };

 protected:
  explicit ExprToken(Kind pKind) : m_Kind(pKind) {}

 public:
  virtual ~ExprToken() {}

  virtual void dump() const = 0;

  Kind kind() const { return m_Kind; }

 private:
  Kind m_Kind;
};

}  // namespace mcld

#endif  // MCLD_SCRIPT_EXPRTOKEN_H_