public bool ExecuteCommand(string command, Stacker stack)
{
switch (command)
{
case "!":
this.value = !value;
return true;
case "string":
stack.Pop();
stack.InsertTop(new StackObjectString("" + this.value));
return true;
}
if (stack.GetSize() > 1)
if(stack.CheckFromTop(1, this.GetType()))
{
switch (command)
{
case "==":
EE(stack);
return true;
case "||":
OR(stack);
return true;
case "&&":
AND(stack);
return true;
}
}
return false;
}
public bool ExecuteCommand(string command, Stacker stack)
{
switch (command)
{
case "int":
this.value = (int)this.value;
return true;
case "neg":
this.value *= -1;
return true;
case "round":
this.value = (float)Math.Round(this.value);
return true;
case "floor":
this.value = (int)this.value;
return true;
case "abs":
this.value = (float)Math.Abs(this.value);
return true;
case "string":
stack.Pop();
stack.InsertTop(new StackObjectString("" + this.value));
return true;
}
if (stack.GetSize() > 1)
if(stack.CheckFromTop(1, this.GetType()))
{
switch (command)
{
case "+":
Add(stack);
break;
case "-":
Subtract(stack);
break;
case "*":
Multiply(stack);
break;
case "/":
Divide(stack);
break;
case "%":
Modulo(stack);
break;
case "==":
EqualValueCheck(stack);
break;
case "<":
LessThan(stack);
break;
case ">": //!( <= 5)
GreaterThan(stack);
break;
case "<=": //>
LessThanOrEqualTo(stack);
break;
case ">=": //<
GreaterThanOrEqualTo(stack);
break;
default:
return false;
}
return true;
}
return false;
}
private void LessThanOrEqualTo(Stacker stack)
{
stack.Pop();
bool e = ((StackObjectNumber)stack.Peek()).value <= this.value;
//push it
stack.Pop();
stack.InsertTop(new StackObjectBoolean(e));
}
private void GreaterThan(Stacker stack)
{
stack.Pop();
bool e = ((StackObjectNumber)stack.Peek()).value > this.value ;
//push it
stack.Pop();
stack.InsertTop(new StackObjectBoolean(e));
}
private void EqualValueCheck(Stacker stack)
{
stack.Pop();
bool e = ((StackObjectNumber)stack.Peek()).EqualsValue(this.value);
//push it
stack.Pop();
stack.InsertTop(new StackObjectBoolean(e));
}
private void CheckEquals(Stacker stack)
{
stack.Pop();
bool a = ((StackObjectString)stack.Peek()).GetValue() == this.value;
stack.InsertTop(new StackObjectBoolean(a));
}