public void LoadAllLinesAndExecute()
{
using (StreamReader sr = new StreamReader(fileName))
{
string temp = sr.ReadLine();
LinePointer.SetFirstLine(beginFileTokenLineNumber);
while (!FoundBeginFile(temp))
{
fileLineTokens.Add(new TokenLine(temp.Trim()));
LinePointer.Increment();
temp = sr.ReadLine();
beginFileTokenLineNumber++;
}
while (temp != null)
{
fileLineTokens.Add(new TokenLine(temp.Trim()));
LinePointer.Increment();
temp = sr.ReadLine();
}
LinePointer.SetFirstLine(beginFileTokenLineNumber);
}
LoadLineMarkers();
ParseAndExecute();
}
private static void ReturnPointer(Token[] functionArguments)
{
if (functionArguments.Length > 0)
{
throw new ILSException("Return does not take arguments");
}
LinePointer.ReturnMostRecent();
}
private void ParseAndExecute()
{
while (LinePointer.GetCurrentLine() < fileLineTokens.Count)
{
int line = LinePointer.GetCurrentLine();
fileLineTokens[line - 1].ParseAndExecute();
LinePointer.Increment();
}
}
public static void RunFunction(string function, Token[] functionArguments)
{
string output = GetOutput(functionArguments);
FunctionName result;
Enum.TryParse(function, out result);
if (result == FunctionName.PRINT)
{
Console.Write(output);
}
else if (result == FunctionName.PRINTN)
{
Console.WriteLine(output);
}
else if (result == FunctionName.UPDATE)
{
UpdateVariable(functionArguments);
}
else if (result == FunctionName.JUMPTO)
{
LinePointer.InsertJump(GetLineJumpNumber(functionArguments));
}
else if (result == FunctionName.JUMPONCE)
{
LinePointer.InsertJumpOnce(GetLineJumpNumber(functionArguments));
}
else if (result == FunctionName.RETURN)
{
ReturnPointer(functionArguments);
}
}
public ILSException(string m) : base("Exception thrown on line " + LinePointer.GetCurrentLine() + ": " + m)
{
}
public static void LogErrorAndQuit(string errorMessage)
{
Console.WriteLine("Exception thrown on line " + LinePointer.GetCurrentLine() + ": " + errorMessage);
Console.ReadKey();
Environment.Exit(0);
}
public void Return(Token[] args)
{
LinePointer.ReturnMostRecent();
}
public void Jumponce(Token[] args)
{
int linenumber = GetLineJumpNumber(args);
LinePointer.InsertJumpOnce(linenumber);
}