static void Main(string[] args)
{
Program.Initiation();
while (true)
{
Console.Write(">> ");
StreamReader streamReader = new StreamReader(Console.OpenStandardInput());
try
{
AntlrInputStream inputStream = new AntlrInputStream(streamReader.ReadLine());
if (inputStream.ToString().Contains("\u001a") || inputStream.ToString().Contains("\u0004"))
{
Console.WriteLine("EOF");
break;
}
FA_LanguageLexer fA_LanguageLexer = new FA_LanguageLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(fA_LanguageLexer);
FA_LanguageParser fA_LanguageParser = new FA_LanguageParser(commonTokenStream);
IParseTree parseTree = fA_LanguageParser.conversation();
FA_Visitor fA_Visitor = new FA_Visitor(Program.functions);
// Print tree and output result
Console.WriteLine(parseTree.ToStringTree(fA_LanguageParser));
Console.WriteLine(fA_Visitor.Visit(parseTree).ToString());
}
catch (System.NullReferenceException e)
{
Console.WriteLine("error: " + e.Message);
continue;
}
}
}
public Function Run(List <Function> p)
{
Function function = new Function(this.functions);
switch (this.FunkcnType)
{
case TYPE.Function:
if (p.Count <Function>() == this.Parameters.Count <Function>())
{
switch (this.Name)
{
case "+":
var li = from Function in p where Function.ReturnType == TYPE.List select Function;
var tp = from Function in p where Function.ReturnType == TYPE.Tuple select Function;
var st = from Function in p where Function.ReturnType == TYPE.String select Function;
var im = from Function in p where Function.ReturnType == TYPE.Imag select Function;
var re = from Function in p where Function.ReturnType == TYPE.Real select Function;
var it = from Function in p where Function.ReturnType == TYPE.Int select Function;
if (li.Count <Function>() != 0)
{
}
else if (tp.Count <Function>() != 0)
{
}
else if (st.Count <Function>() != 0)
{
}
else if (im.Count <Function>() != 0)
{
foreach (Function f in p)
{
switch (f.ReturnType)
{
case TYPE.Int:
break;
case TYPE.Real:
break;
}
}
}
else if (re.Count <Function>() != 0)
{
Console.WriteLine("real");
}
else
{
int a = int.Parse(p[0].Code);
int b = int.Parse(p[1].Code);
function = new Function("", TYPE.Int, TYPE.Int, (a + b).ToString(), new List <Function>(), this.functions);
}
switch (this.ReturnType)
{
case TYPE.Int:
{
int a = int.Parse(p[0].Code);
int b = int.Parse(p[1].Code);
function = new Function("", TYPE.Int, TYPE.Int, (a + b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Real:
{
double a = double.Parse(p[0].Code);
double b = double.Parse(p[1].Code);
function = new Function("", TYPE.Real, TYPE.Real, (a + b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Imag:
{
double ar = double.Parse(p[0].Parameters[0].Code);
double ai = double.Parse(p[0].Parameters[1].Code);
double br = double.Parse(p[1].Parameters[0].Code);
double bi = double.Parse(p[1].Parameters[1].Code);
List <Function> p_of_image = new List <Function>();
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ar + br).ToString(), new List <Function>(), this.functions));
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ai + bi).ToString(), new List <Function>(), this.functions));
function = new Function("", TYPE.Imag, TYPE.Imag, "", p_of_image, this.functions);
}
break;
case TYPE.Tuple:
break;
case TYPE.List:
break;
}
break;
case "-":
switch (this.ReturnType)
{
case TYPE.Int:
{
int a = int.Parse(p[0].Code);
int b = int.Parse(p[1].Code);
function = new Function("", TYPE.Int, TYPE.Int, (a - b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Real:
{
double a = double.Parse(p[0].Code);
double b = double.Parse(p[1].Code);
function = new Function("", TYPE.Real, TYPE.Real, (a - b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Imag:
{
double ar = double.Parse(p[0].Parameters[0].Code);
double ai = double.Parse(p[0].Parameters[1].Code);
double br = double.Parse(p[1].Parameters[0].Code);
double bi = double.Parse(p[1].Parameters[1].Code);
List <Function> p_of_image = new List <Function>();
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ar - br).ToString(), new List <Function>(), this.functions));
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ai - bi).ToString(), new List <Function>(), this.functions));
function = new Function("", TYPE.Imag, TYPE.Imag, "", p_of_image, this.functions);
}
break;
case TYPE.Tuple:
break;
case TYPE.List:
break;
}
break;
case "*":
switch (this.ReturnType)
{
case TYPE.Int:
{
int a = int.Parse(p[0].Code);
int b = int.Parse(p[1].Code);
function = new Function("", TYPE.Int, TYPE.Int, (a * b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Real:
{
double a = double.Parse(p[0].Code);
double b = double.Parse(p[1].Code);
function = new Function("", TYPE.Real, TYPE.Real, (a * b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Imag:
{
double ar = double.Parse(p[0].Parameters[0].Code);
double ai = double.Parse(p[0].Parameters[1].Code);
double br = double.Parse(p[1].Parameters[0].Code);
double bi = double.Parse(p[1].Parameters[1].Code);
List <Function> p_of_image = new List <Function>();
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ar * br - ai * bi).ToString(), new List <Function>(), this.functions));
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, (ar * bi + ai * br).ToString(), new List <Function>(), this.functions));
function = new Function("", TYPE.Imag, TYPE.Imag, "", p_of_image, this.functions);
}
break;
}
break;
case "/":
switch (this.ReturnType)
{
case TYPE.Int:
{
int a = int.Parse(p[0].Code);
int b = int.Parse(p[1].Code);
function = new Function("", TYPE.Int, TYPE.Int, (a / b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Real:
{
double a = double.Parse(p[0].Code);
double b = double.Parse(p[1].Code);
function = new Function("", TYPE.Real, TYPE.Real, (a / b).ToString(), new List <Function>(), this.functions);
}
break;
case TYPE.Imag:
{
double ar = double.Parse(p[0].Parameters[0].Code);
double ai = double.Parse(p[0].Parameters[1].Code);
double br = double.Parse(p[1].Parameters[0].Code);
double bi = double.Parse(p[1].Parameters[1].Code);
List <Function> p_of_image = new List <Function>();
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, ((ar * br + ai * bi) / (br * br + bi * bi)).ToString(), new List <Function>(), this.functions));
p_of_image.Add(new Function("", TYPE.Real, TYPE.Real, ((ai * br - ar * bi) / (br * br + bi * bi)).ToString(), new List <Function>(), this.functions));
function = new Function("", TYPE.Imag, TYPE.Imag, "", p_of_image, this.functions);
}
break;
}
break;
case "@":
break;
case "Int":
break;
case "Real":
break;
case "Imag":
break;
default:
string code = this.Code;
for (int a = 0; a < this.Parameters.Count <Function>(); a++)
{
code = code.Replace(this.Parameters[a].Name, p[a].Code);
}
// Run the code
AntlrInputStream runStream = new AntlrInputStream(code);
FA_LanguageLexer lexer = new FA_LanguageLexer(runStream);
CommonTokenStream tokens = new CommonTokenStream(lexer);
FA_LanguageParser parser = new FA_LanguageParser(tokens);
IParseTree tree = parser.conversation();
//Console.WriteLine("run tree:");
//Console.WriteLine(tree.ToStringTree(parser));
FA_Visitor visitor = new FA_Visitor(this.functions);
function = visitor.Visit(tree);
break;
}
}
else
{
throw new Exception("Function parameter not fit");
}
break;
default:
function = this;
break;
}
return(function);
}
