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// test_interpreter.cc
// marvin - programme du robot 2006. {{{
//
// Copyright (C) 2006 Nicolas Schodet
//
// Robot APB Team/Efrei 2006.
//        Web: http://assos.efrei.fr/robot/
//      Email: robot AT efrei DOT fr
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
// }}}
#include "interpreter.hh"

#include <iostream>
#include <algorithm>
#include <iterator>

class TestInterpreter
{
    Interpreter t;
  public:
    void funcA (const Interpreter::Args &a, bool dryrun)
      {
	if (!dryrun)
	    std::cout << " a " << a << std::endl;
      }
    bool funcB (void)
      {
	std::cout << " b ( )" << std::endl;
	return true;
      }
    int funcC (int i)
      {
	std::cout << " c ( " << i << " )" << std::endl;
	return 0;
      }
    void funcD (const std::string &s)
      {
	std::cout << " d ( " << s << " )" << std::endl;
      }
    void funcE (int i, const std::string &s, double d)
      {
	std::cout << " e ( " << i << ' ' << s << ' ' << d << " )" << std::endl;
      }
    void call (const std::string &s, const Interpreter::Args &a)
      {
	try
	  {
	    std::cout << "call " << s << ' ' << a << std::endl;
	    t.call (s, a);
	  }
	catch (const std::exception &e)
	  {
	    // Do not use std::cerr as there should be only normal errors.
	    std::cout << ' ' << e.what () << std::endl;
	  }
      }
    void interpretString (const std::string &s)
      {
	try
	  {
	    std::cout << "interpret dry \"" << s << "\"" << std::endl;
	    t.interpretString (s, true);
	    std::cout << "interpret \"" << s << "\"" << std::endl;
	    t.interpretString (s);
	  }
	catch (const std::exception &e)
	  {
	    // Do not use std::cerr as there should be only normal errors.
	    std::cout << ' ' << e.what () << std::endl;
	  }
      }
    int main (void)
      {
	// Add functions.
	t.add ("a", Interpreter::memFunc (*this, &TestInterpreter::funcA),
	       "a ARGS...\n"
	       "the wonderful `a' function taking any number of any arguments");
	t.add ("b", Interpreter::memFunc (*this, &TestInterpreter::funcB),
	       "b\ntakes no argument");
	t.add ("c", Interpreter::memFunc (*this, &TestInterpreter::funcC),
	       "c THE_MIGHTY_NUMBER\n"
	       "takes one integer");
	t.add ("d", Interpreter::memFunc (*this, &TestInterpreter::funcD),
	       "d THE_STRING\n"
	       "takes one string");
	t.add ("e", Interpreter::memFunc (*this, &TestInterpreter::funcE),
	       "e INT STRING DOUBLE\n"
	       "takes one integer, one string and one double");
	// Make argument lists.
	Interpreter::Args a[4];
	a[1].push_back (71117);
	a[2].push_back (std::string ("robert"));
	a[3].push_back (42);
	a[3].push_back (std::string ("merguez"));
	a[3].push_back (51.1664);
	// Need help?
	std::cout << t.help () << std::endl;
	// Call all those wonderful functions.
	call ("unknown", a[0]);
	for (unsigned int i = 0; i < sizeof (a) / sizeof (a[0]); ++i)
	  {
	    for (char f = 'a'; f <= 'e'; f++)
	      {
		call (std::string (1, f), a[i]);
	      }
	  }
	// Now, with the interpreter.
	interpretString ("a = 42");
	interpretString ("42");
	for (char f = 'a'; f <= 'e'; f++)
	  {
	    interpretString (std::string (1, f));
	    interpretString (std::string (1, f) + " 42 ");
	    interpretString (std::string (1, f) + " \"robert\";; ");
	    interpretString (std::string (1, f) + " 757 \"tintin\" 0.3141516e+1");
	  }
	return 0;
      }
};

int main (void)
{
    TestInterpreter tt;
    return tt.main ();
}