interpreter.h

一个在linux下的shell的计算器

/*
 *
 *
 *
 */

#ifndef __INTERPRETER_H
#define __INTERPRETER_H

#include "calculator.h"

class Interpreter: public Calculator
{
 private:

  ItemList *program;
  ItemList oplist;

  Item *ParseToken(std::string cmd);
  bool ExecuteToken(std::string cmd);

 public:

  Interpreter();
  ~Interpreter();

  //

  bool Execute(std::string cmd);

  void DisplayStack(int levels);
  double GetResult();

  std::string GetPrompt();
  void SetPrompt(std::string p);

  // Overloaded methods
  void Execute(Operation p);

};

#endif