main.cpp

来自「数据结构与程序设计教材源码 数据结构与程序设计教材源码」· C++ 代码 · 共 23 行

#include "../../C/UTILITY.H"
#include "POST.H"
#include "POST.CPP"
 
main()
{
   Expression e;
   Token t;
   Value x = 0;
   cout << "Testing postfix evaluation." << endl;
   cout << "Enter a (numerical) postfix expression (terminated by a ; symbol)."
        << endl;

   e.read();
   if (e.evaluate_postfix(x) == fail) cout << "FAIL!\n";
   cout << "The value is: " << x << "\n";
   while (1) {
      e.get_token(t);
      cout << t.value << "\n";
      if (t.kind() == end_expression) break;
   }
}