static void Main(string[] args)
{
string filename = "../../test.txt";
FileInfo file = new FileInfo(filename);
if (file.Exists)
{
string[] lines = File.ReadAllLines(filename);
Map myMap = new Map(10, 10, 4, 4);
Interpreter myInterpreter = new Interpreter(lines);
myInterpreter.CommandEvent += myMap.CommandHandle;
try
{
while (!myInterpreter.IsCompleted)
{
myInterpreter.NextAction();
myMap.Display();
}
}
catch (Exception e)
{
Console.WriteLine("e = " + e.Message);
}
}
else
{
Console.WriteLine("File not found");
}
Console.WriteLine("!End!");
Console.ReadKey();
return;
string a = " foo* foo - 10 + 5 * 7 +24/(1 + 1 ) ";//данное выражение
Console.WriteLine(a);
var b = EquationParser.Tokenize(a); //список токенов
var c = new Dictionary <string, float>(); //словарь переменных
//переменные в словаре переменных
c.Add("foo", 10);
c.Add("bar", 0);
foreach (var i in EquationParser.ConvertToRpn(b, c))//токены в польской нотации
{
Console.Write(i + " | ");
}
Console.WriteLine();
foreach (var j in c)//переменные в словаре переменных
{
Console.WriteLine(j.Key + " = " + j.Value);
}
Console.WriteLine();
Console.WriteLine(EquationParser.CalculateRpn(EquationParser.ConvertToRpn(b, c), c));//результат
Console.ReadKey();
return;
}
/// <summary>
/// Do all instructions from source untill reaching rover command
/// </summary>
public void NextAction()
{
if (!IsCompleted)
{
Console.WriteLine(_currentPos + 1);
Regex currRegex;
//check for end of file
if (_currentPos > SourceCode.Length - 1)//last row check
{
if (CommandEvent != null)
{
CommandEvent(new Command("EndOfCode", new int[] { 0 }));
}
IsCompleted = true;
}
//rover motion commands
else if ((currRegex = new Regex(@"^\s*(right|forward|left|backward)\s*;\s*$")).IsMatch(SourceCode[_currentPos]))
{
Match moveRoverMatch = currRegex.Match(SourceCode[_currentPos]);
if (CommandEvent != null)
{
CommandEvent(new Command("RoverMove", new int[] { _roverCommand[moveRoverMatch.Groups[1].ToString()] }));
}
_currentPos += 1;
}
//goto statement
else if ((currRegex = new Regex(@"^\s*goto\s*(.+?)\s*;\s*$")).IsMatch(SourceCode[_currentPos]))
{
Match gotoMatch = currRegex.Match(SourceCode[_currentPos]);
if (gotoMatch.Success)
{
_currentPos = int.Parse(gotoMatch.Groups[1].ToString()) - 1;
}
if ((_currentPos < 0) && (_currentPos >= SourceCode.Length))
{
throw new Exception("Wrong goto position");
}
Console.WriteLine("goto " + gotoMatch.Groups[1]);
}
//assigment of new var
else if ((currRegex = new Regex(@"\s*(float|int)\s*([a-zA-Z_\-][a-zA-Z0-9_\-]*)\s*\=\s*(.+?)\s*;")).IsMatch(SourceCode[_currentPos]))
{
Match setVariableMatch = currRegex.Match(SourceCode[_currentPos]);
for (int i = 1; i < setVariableMatch.Groups.Count; ++i)
{
Console.WriteLine(setVariableMatch.Groups[i]);
}
switch (setVariableMatch.Groups[0].ToString())
{
case "float":
_variablesStorage.Add(setVariableMatch.Groups[1].ToString(), EquationParser.Calculate(setVariableMatch.Groups[2].ToString(), _variablesStorage));
Console.WriteLine(setVariableMatch.Groups[1] + " = " + _variablesStorage[setVariableMatch.Groups[1].ToString()]);
break;
case "int":
_variablesStorage.Add(setVariableMatch.Groups[1].ToString(), (int)EquationParser.Calculate(setVariableMatch.Groups[2].ToString(), _variablesStorage));
Console.WriteLine(setVariableMatch.Groups[1] + " = " + _variablesStorage[setVariableMatch.Groups[1].ToString()]);
break;
}
Console.WriteLine(setVariableMatch.Groups[1].ToString() + "-" + setVariableMatch.Groups[2].ToString() + "-" + setVariableMatch.Groups[3].ToString());
_currentPos += 1;
}
//new var w/o assignment
else if ((currRegex = new Regex(@"\s*(float|int)\s*([a-zA-Z_\-][a-zA-Z0-9_\-]*)\s*;")).IsMatch(SourceCode[_currentPos]))
{
Match createVariableMatch = currRegex.Match(SourceCode[_currentPos]);
for (int i = 1; i < createVariableMatch.Groups.Count; ++i)
{
Console.WriteLine(createVariableMatch.Groups[i]);
}
switch (createVariableMatch.Groups[1].ToString())
{
case "float":
_variablesStorage.Add(createVariableMatch.Groups[2].ToString(), 0f);
break;
case "int":
_variablesStorage.Add(createVariableMatch.Groups[2].ToString(), 0);
break;
}
Console.WriteLine(createVariableMatch.Groups[2] + " = " + _variablesStorage[createVariableMatch.Groups[2].ToString()]);
Console.WriteLine(createVariableMatch.Groups[1].ToString() + "-" + createVariableMatch.Groups[2].ToString());
_currentPos += 1;
}
//existing value change
else if ((currRegex = new Regex(@"\s*([a-zA-Z_\-][a-zA-Z0-9_\-]*)\s*([\+\-\*\/]?\=)\s*(.+?)\s*;")).IsMatch(SourceCode[_currentPos]))
{
Match changeVariableMatch = currRegex.Match(SourceCode[_currentPos]);
for (int i = 1; i < changeVariableMatch.Groups.Count; ++i)
{
Console.WriteLine(changeVariableMatch.Groups[i]);
}
float equationResult = EquationParser.Calculate(changeVariableMatch.Groups[3].ToString(),
_variablesStorage);
switch (changeVariableMatch.Groups[2].ToString())
{
case "=":
_variablesStorage[changeVariableMatch.Groups[1].ToString()] = equationResult;
break;
case "+=":
_variablesStorage[changeVariableMatch.Groups[1].ToString()] += equationResult;
break;
case "-=":
_variablesStorage[changeVariableMatch.Groups[1].ToString()] -= equationResult;
break;
case "*=":
_variablesStorage[changeVariableMatch.Groups[1].ToString()] *= equationResult;
break;
case "/=":
_variablesStorage[changeVariableMatch.Groups[1].ToString()] /= equationResult;
break;
}
Console.WriteLine(changeVariableMatch.Groups[1] + " = " + _variablesStorage[changeVariableMatch.Groups[1].ToString()]);
_currentPos += 1;
}
else if (new Regex(@"^\s*$").IsMatch(SourceCode[_currentPos]))
{
_currentPos += 1;
}
}
}
