src/Main.cpp

   1 /*******************************************************************************
   2  * Reverse Polish Notation calculator.                                         *
   3  * Copyright (c) 2007-2009, Samuel Fredrickson <kinghajj@gmail.com>            *
   4  * All rights reserved.                                                        *
   5  *                                                                             *
   6  * Redistribution and use in source and binary forms, with or without          *
   7  * modification, are permitted provided that the following conditions are met: *
   8  *     * Redistributions of source code must retain the above copyright        *
   9  *       notice, this list of conditions and the following disclaimer.         *
  10  *     * Redistributions in binary form must reproduce the above copyright     *
  11  *       notice, this list of conditions and the following disclaimer in the   *
  12  *       documentation and/or other materials provided with the distribution.  *
  13  *                                                                             *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS *
  15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED           *
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE      *
  17  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY        *
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  *
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR          *
  20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER  *
  21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          *
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY   *
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
  24  * DAMAGE.                                                                     *
  25  ******************************************************************************/
  26
  27 /*******************************************************************************
  28  * Main.cpp - the entry point to the program.                                  *
  29  ******************************************************************************/
  30
  31 #include "rpn.h"
  32 using namespace std;
  33 using namespace RPN;
  34
  35 #ifdef RPN_PSP
  36 // Tell the PSP about the program.
  37 PSP_MODULE_INFO("PSPRPN", 0, 1, 1);
  38 #endif
  39
  40 int main(int argc, char *argv[])
  41 {
  42     Calculator calculator;
  43
  44 #ifdef RPN_CONSOLE
  45     Arguments arguments;
  46     setupArguments(arguments);
  47     bool run = processArguments(vectorize(argv, argc), arguments, calculator);
  48 #else
  49     bool run = true;
  50 #endif
  51
  52     Port::Setup();
  53
  54     if(run)
  55         while(calculator.IsRunning() && Port::CanRun())
  56         {
  57             string s;
  58             Print('[');
  59             calculator.Display();
  60             Print("]> ");
  61             s = Port::GetLine();
  62             calculator.Eval(s);
  63         }
  64
  65     Port::Post();
  66
  67     return 0;
  68 }