public EvoSQLExpression(string query)
{
MemoryStream stream = new MemoryStream();
String errorString;
StreamWriter writer = new StreamWriter(stream);
writer.Write(query);
writer.Flush();
Scanner scanner = new Scanner(stream);
Parser parser = new Parser(scanner);
MemoryStream errorStream = new MemoryStream();
StreamWriter errorWriter = new StreamWriter(errorStream);
parser.errors.errorStream = errorWriter;
parser.Parse();
errorWriter.Flush();
errorStream.Seek(0, SeekOrigin.Begin);
errorString = new StreamReader(errorStream).ReadToEnd();
errorStream.Close();
stream.Close();
if (parser.errors.count > 0)
{
Errors = errorString.Split('\n');
HadErrors = true;
}
else
{
Tree = parser.RootTree;
}
}
public EvoSQLExpression(string query)
{
MemoryStream stream = new MemoryStream();
String errorString;
StreamWriter writer = new StreamWriter(stream);
writer.Write(query);
writer.Flush();
Scanner scanner = new Scanner(stream);
Parser parser = new Parser(scanner);
MemoryStream errorStream = new MemoryStream();
StreamWriter errorWriter = new StreamWriter(errorStream);
parser.errors.errorStream = errorWriter;
parser.Parse();
errorWriter.Flush();
errorStream.Seek(0, SeekOrigin.Begin);
errorString = new StreamReader(errorStream).ReadToEnd();
errorStream.Close();
stream.Close();
if (parser.errors.count > 0)
{
Errors = errorString.Split('\n');
HadErrors = true;
}
else
{
Tree = parser.RootTree;
}
}
/// <summary>
/// RootExpression を作成する.
/// </summary>
/// <returns></returns>
public static GeneratedExpression CreateRoot()
{
RootExpression exp = new RootExpression();
exp.Type = ExpressionType.Root;
exp.Name = "Root";
return(exp);
}
public void Visit(RootExpression expression)
{
if (expression.HasChildExpression)
{
expression.ChildExpression.Accept(this);
ConstraintCommandText = _optimizer.ReduceParens(ConstraintCommandText);
}
}
// Menghasilkan output dari list of string dari input
public static dynamic solver(List <string> input)
{
dynamic Ret = 0;
Boolean isNow = false;
Stack <double> NumS = new Stack <double>();
Stack <string> OpS = new Stack <string>();
// Memisahkan ke dalam stack
for (int i = 0; i < input.Count; i++)
{
// Kalau operator masuk sini
if (input[i].Equals("+") || input[i].Equals("-") || input[i].Equals("x") || input[i].Equals(":") || input[i].Equals("√"))
{
if (!isNow && (input[i].Equals("x") || input[i].Equals(":") || input[i].Equals("-")))
{
isNow = true;
OpS.Push(input[i]);
}
else if (isNow && input[i].Equals("-"))
{
if (input[i - 1].Equals("+"))
{
dynamic Num1 = input[i + 1];
NegativeExpression <dynamic> E = new NegativeExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
NumS.Push(E.solve());
i++;
isNow = false;
}
else if (input[i - 1].Equals("-"))
{
dynamic Num1 = input[i + 1];
NegativeExpression <dynamic> E = new NegativeExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
NumS.Push(E.solve());
i++;
isNow = false;
}
else
{
dynamic Num1 = input[i + 1];
NegativeExpression <dynamic> E = new NegativeExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
dynamic Num3 = E.solve();
dynamic Num4 = NumS.Pop(); //Convert.ToDouble(input[i-2]);
if (input[i - 1].Equals("x"))
{
MultiplyExpression <dynamic> E2 = new MultiplyExpression <dynamic>(new TerminalExpression <dynamic>(Num3), new TerminalExpression <dynamic>(Num4));
NumS.Push(E2.solve());
Ret = E2.solve();
isNow = false;
i++;
}
else
{
DivideExpression <dynamic> E2 = new DivideExpression <dynamic>(new TerminalExpression <dynamic>(Num4), new TerminalExpression <dynamic>(Num3));
NumS.Push(E2.solve());
Ret = E2.solve();
isNow = false;
i++;
}
}
}
else
{
OpS.Push(input[i]);
}
}
else // Kalau angka masuk sini
{
if (isNow)
{
string Op = OpS.Pop(); // OMengambil Operatornya dan solve
if (Op.Equals("x"))
{
dynamic Num1 = NumS.Pop();
dynamic Num2 = Convert.ToDouble(input[i]);
MultiplyExpression <dynamic> E = new MultiplyExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
NumS.Push(E.solve());
Ret = E.solve();
}
else if (Op.Equals(":"))
{
dynamic Num1 = NumS.Pop();
dynamic Num2 = Convert.ToDouble(input[i]);
DivideExpression <dynamic> E = new DivideExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
NumS.Push(E.solve());
Ret = E.solve();
}
else if (Op.Equals("-"))
{
dynamic Num1 = input[i];
NegativeExpression <dynamic> E = new NegativeExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
if (i != 1 && (!input[i - 2].Equals("+") && !input[i - 2].Equals("√")))
{
OpS.Push("+");
}
NumS.Push(E.solve());
}
isNow = false;
}
else
{
double P = Convert.ToDouble(input[i]);
NumS.Push(P);
}
}
}
// Solve dari Stack
int count = OpS.Count;
for (int i = 0; i < count; i++)
{
string Op = OpS.Pop();
if (Op.Equals("+"))
{
dynamic Num1 = NumS.Pop();
dynamic Num2 = NumS.Pop();
AddExpression <dynamic> E = new AddExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
NumS.Push(E.solve());
Ret = E.solve();
}
else if (Op.Equals("-"))
{
dynamic Num1 = NumS.Pop();
dynamic Num2 = NumS.Pop();
SubstractExpression <dynamic> E = new SubstractExpression <dynamic>(new TerminalExpression <dynamic>(Num2), new TerminalExpression <dynamic>(Num1));
NumS.Push(E.solve());
Ret = E.solve();
}
else if (Op.Equals("√"))
{
dynamic Num1 = NumS.Pop();
RootExpression <dynamic> E = new RootExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
double temp = Convert.ToDouble(E.solve());
NumS.Push(temp);
Ret = E.solve();
}
}
return(Ret);
}
private double solvePostfixQueue()
{
/** DESKRIPSI **/
/* Menyelesaikan ekspresi Postfix di queue menjadi nilai */
/** KAMUS DATA **/
Stack <TerminalExpression> operationStack; // Stack untuk menyimpan nilai-nilai operasi
Elemen <string> queueTemp;
TerminalExpression term, term1, term2;
Expression exp;
/** ALGORITMA **/
printQueue(this.expressionPostfixQueue);
operationStack = new Stack <TerminalExpression>();
while (this.expressionPostfixQueue.Count != 0)
{
queueTemp = this.expressionPostfixQueue.Dequeue();
if (queueTemp.GetItem1() == "#")
{
term = new TerminalExpression(queueTemp.GetItem2());
operationStack.Push(term);
Console.WriteLine(queueTemp.GetItem2());
}
else
{
switch (queueTemp.GetItem1())
{
case "+":
term2 = operationStack.Pop();
term1 = operationStack.Pop();
exp = new AddExpression(term1, term2);
term = new TerminalExpression(exp.solve());
operationStack.Push(term);
break;
case "-":
term2 = operationStack.Pop();
term1 = operationStack.Pop();
exp = new SubstractExpression(term1, term2);
term = new TerminalExpression(exp.solve());
operationStack.Push(term);
break;
case "*":
term2 = operationStack.Pop();
term1 = operationStack.Pop();
exp = new MultiplyExpression(term1, term2);
term = new TerminalExpression(exp.solve());
operationStack.Push(term);
break;
case "/":
term2 = operationStack.Pop();
term1 = operationStack.Pop();
exp = new DivideExpression(term1, term2);
term = new TerminalExpression(exp.solve());
operationStack.Push(term);
break;
case "akar":
term1 = operationStack.Pop();
exp = new RootExpression(term1);
term = new TerminalExpression(exp.solve());
operationStack.Push(term);
break;
}
}
}
term = operationStack.Pop();
return(term.solve());
}
void EvoSQL()
{
var expression = new SelectExpression(); RootTree = expression;
SelectBlock(expression);
}
static void Main(string[] args)
{
Calculator Calcu = new Calculator();
/*
* Testing Kalkulasi
* 1) 2+3
* 2) 2-3
* 3) 10:2
* 4) 10.5x2.3
* 5) √99
* 6) -5+-5
* 7) 5x-10
* 8) √10+10
* 9) -10+5x-10--5
* 10) -10+-5:10--5
* 11) 20+-10+√100
* 12) -30-100:10+-10+√1000
*
* Testing Exception
* 1) 10:0
* 2) √-10
* 3) +5-3
* 4) 5++2
* 5) 12-98-
* 6) 12-+32
* 7) 10√
* 8) √:10
* 9) 10.12√2
* 10) 10.2.3
*
*/
Calcu.Input = "-30-100:10+-10+√1000";
Console.WriteLine("Input : " + Calcu.Input);
Calcu.Input = Calcu.Input.Replace(".", ",");
Calcu.Lstring = Parse.makeList(Calcu.Input);
//Testing parse
Console.WriteLine("\nHasil Parse Input");
foreach (var elmt in Calcu.Lstring)
{
Console.WriteLine(elmt);
}
try
{
bool valid = Calcu.Validate(Calcu.Lstring);
if (Calcu.Lstring.Count != 1)
{
Calcu.Hasil = Solving.solver(Calcu.Lstring).ToString();
Calcu.Hasil = Calcu.Hasil.Replace(",", ".");
Console.WriteLine("\nHasil : " + Calcu.Hasil);
Calcu.Ans = Calcu.Hasil;
}
else
{
Calcu.Ans = Calcu.Input.Replace(",", ".");
}
}
catch (InvalidExpression Error)
{
Console.WriteLine("Hasil : " + Error.Message);
}
// Testing Expression
double Num1 = 5;
double Num2 = 4;
Console.WriteLine("\nTestingExpression");
AddExpression <dynamic> E = new AddExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
Console.WriteLine("Terminal Ekspression 1 : " + Num1);
Console.WriteLine("Terminal Ekspression 2 : " + Num2);
Console.WriteLine("Hasil AddExpression : " + E.solve());
SubstractExpression <dynamic> E2 = new SubstractExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
Console.WriteLine("\nTerminal Ekspression 1 : " + Num1);
Console.WriteLine("Terminal Ekspression 2 : " + Num2);
Console.WriteLine("Hasil SubstractExpression : " + E2.solve());
MultiplyExpression <dynamic> E3 = new MultiplyExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
Console.WriteLine("\nTerminal Ekspression 1 : " + Num1);
Console.WriteLine("Terminal Ekspression 2 : " + Num2);
Console.WriteLine("Hasil MultiplyExpression : " + E3.solve());
DivideExpression <dynamic> E4 = new DivideExpression <dynamic>(new TerminalExpression <dynamic>(Num1), new TerminalExpression <dynamic>(Num2));
Console.WriteLine("\nTerminal Ekspression 1 : " + Num1);
Console.WriteLine("Terminal Ekspression 2 : " + Num2);
Console.WriteLine("Hasil DivideExpression : " + E4.solve());
NegativeExpression <dynamic> E5 = new NegativeExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
Console.WriteLine("\nTerminal Ekspression 1 : " + Num1);
Console.WriteLine("Hasil NegativeExpression : " + E5.solve());
RootExpression <dynamic> E6 = new RootExpression <dynamic>(new TerminalExpression <dynamic>(Num1));
Console.WriteLine("\nTerminal Ekspression 1 : " + Num1);
Console.WriteLine("Hasil RootExpression : " + E6.solve());
Console.ReadLine();
}
void EvoQL() {
if (StartOf(1)) {
GetExpression expression = new GetExpression(); RootTree = expression;
EqlClause(expression);
} else if (StartOf(2)) {
GetExpression expression = new GetExpression(); RootTree = expression;
QlClause(expression);
} else if (StartOf(3)) {
GetExpression expression = new GetExpression(); RootTree = expression;
ConditionGroup conditions = new ConditionGroup(); RootTree.SetChild(conditions);
Unary(conditions, false);
while (StartOf(4)) {
Unary(conditions, false);
}
} else SynErr(44);
}
public void Visit(RootExpression expression)
{
throw new NotImplementedException();
}
private double CalculateUnary(TerminalExpression a)
{
RootExpression <double> hasil = new RootExpression <double>(a);
return(hasil.solve());
}
void EvoSQL() {
var expression = new SelectExpression(); RootTree = expression;
SelectBlock(expression);
}
public void Visit(RootExpression expression)
{
throw new NotImplementedException();
}
public override string ToString()
{
return(string.Format(".Directory<{0}> {1}", Type.ToString(), RootExpression.ToString()));
}
