public void Push(StackElement n)
{
if (n is StackCustom)
{
customs.Push((StackCustom)n);
}
elements.Push(n);
}
public override bool Execute(string command, TSRPStack stack)
{
if (command.EndsWith("*") && (stack.Top == this || command.EndsWith("**")))
{
int k = 1;
if (command.EndsWith("**"))
{
k = 2;
}
bool j = Execute(command.Substring(0, command.Length - k), stack);
int counter = 0;
while (stack.Top != this)
{
counter++;
elements.Push(stack.Pop());
}
stack.Pop();
for (int i = 0; i < counter; i++)
{
stack.Push(elements.Pop());
}
}
else
if (command == "size")
{
stack.Push(Count);
return(true);
}
else
if (command == "at")
{
if (stack.Top is StackNumber)
{
int n = ((StackNumber)stack.Pop()).ToInt();
if (n < Count)
{
stack.Push(((StackElement)elements.FromTop(Count - n - 1).Clone()));
return(true);
}
else
{
return(false);
}
}
return(false);
}
else
if (command == "push" || command == "array_push")
{
if (stack.Count != 0)
{
elements.Push(stack.Pop());
}
return(true);
}
else
if (command == "array_pop")
{
if (elements.Count > 0)
{
stack.Push(elements.Pop());
return(true);
}
else
{
return(false);
}
}
else
if (command == "set")
{
if (stack.Top is StackNumber)
{
int n = ((StackNumber)stack.Pop()).ToInt();
StackElement el = stack.Pop();
var x = Elements;
if (n < Count)
{
x[n] = el;
elements.Elements = x;
return(true);
}
else
{
return(false);
}
}
return(false);
}
else if (command == "chars2str")
{
var x = Elements;
StringBuilder b = new StringBuilder();
for (int i = 0; i < x.Length; i++)
{
StackNumber y = null;
if (x[i] is StackNumber)
{
y = (StackNumber)x[i];
}
else
{
continue;
}
b.Append((char)y.ToUnsignedShort());
}
stack.Push(b.ToString());
return(true);
}
else if (command == "concatstr")
{
var x = Elements;
StringBuilder b = new StringBuilder();
for (int i = 0; i < x.Length; i++)
{
StackString y = null;
if (x[i] is StackString)
{
y = (StackString)x[i];
}
else
{
continue;
}
b.Append(y.Value);
}
stack.Push(b.ToString());
return(true);
}
else if (command == "array_clear" || command == "empty")
{
elements.Clear();
return(true);
}
else if (command == "release")
{
stack.Pop();
var els = elements.Elements;
//Array.Reverse(els);
foreach (StackElement el in els)
{
stack.Push(el);
}
elements.Clear();
return(true);
}
else if (command == "clone")
{
stack.Push(new StackArray(this));
return(true);
}
else if (command == "reverse")
{
var x = elements.Elements;
elements.Clear();
for (var i = x.Length - 1; i >= 0; i--)
{
elements.Push(x[i]);
}
return(true);
}
return(false);
}
public void Push(StackElement el)
{
elements.Push(el);
}
public void AddVariable(string s, StackElement el)
{
variables[s] = (StackElement)el.Clone();
}