public override void Execute(CPU cpu)
{
argument2 = cpu.PopValue();
argument1 = cpu.PopValue();
// convert floats to doubles
if (argument1 is float) argument1 = Convert.ToDouble(argument1);
if (argument2 is float) argument2 = Convert.ToDouble(argument2);
Calculator calc = Calculator.GetCalculator(argument1, argument2);
object result = ExecuteCalculation(calc);
cpu.PushStack(result);
}
public override void Execute(CPU cpu)
{
object value1 = cpu.PopStack();
object value2 = cpu.PopStack();
cpu.PushStack(value1);
cpu.PushStack(value2);
}
public override void Execute(CPU cpu)
{
cpu.PushStack(argument);
}
public override void Execute(CPU cpu)
{
object value = cpu.PopValue();
object result;
if (value is int)
result = -((int)value);
else if (value is float)
result = -(Convert.ToDouble(value));
else if (value is double)
result = -((double)value);
else
throw new ArgumentException(string.Format("Can't negate object {0} of type {1}", value, value.GetType()));
cpu.PushStack(result);
}
public override void Execute(CPU cpu)
{
object value = cpu.PopValue();
bool result = Convert.ToBoolean(value);
cpu.PushStack(result);
}
public override void Execute(CPU cpu)
{
bool argument2 = Convert.ToBoolean(cpu.PopValue());
bool argument1 = Convert.ToBoolean(cpu.PopValue());
object result = argument1 | argument2;
cpu.PushStack(result);
}
public override void Execute(CPU cpu)
{
object value = cpu.PopValue();
object result;
if (value is bool)
result = !((bool)value);
else if (value is int)
result = (int)(Convert.ToBoolean(value) ? 0 : 1);
else if ((value is double) || (value is float))
result = (double)(Convert.ToBoolean(value) ? 0.0 : 1.0);
else
throw new ArgumentException(string.Format("Can't negate object {0} of type {1}", value, value.GetType()));
cpu.PushStack(result);
}
public override void Execute(CPU cpu)
{
string suffixName = cpu.PopStack().ToString().ToUpper();
object specialValue = cpu.PopValue();
if (specialValue is SpecialValue)
{
object value = ((SpecialValue)specialValue).GetSuffix(suffixName);
if (value != null)
{
cpu.PushStack(value);
}
else
{
throw new Exception(string.Format("Suffix {0} not found on object", suffixName));
}
}
else
{
throw new Exception(string.Format("Values of type {0} cannot have suffixes", specialValue.GetType().ToString()));
}
}
public override void Execute(CPU cpu)
{
object index = cpu.PopValue();
if (index is double || index is float)
{
index = Convert.ToInt32(index); // allow expressions like (1.0) to be indexes
}
object list = cpu.PopValue();
if (!(list is IIndexable)) throw new Exception(string.Format("Can't iterate on an object of type {0}", list.GetType()));
if (!(index is int)) throw new Exception("The index must be an integer number");
object value = ((IIndexable)list).GetIndex((int)index);
cpu.PushStack(value);
}
public override void Execute(CPU cpu)
{
object functionPointer = cpu.GetValue(destination);
if (functionPointer is int)
{
int currentPointer = cpu.InstructionPointer;
DeltaInstructionPointer = (int)functionPointer - currentPointer;
cpu.PushStack(currentPointer + 1);
cpu.MoveStackPointer(-1);
}
else
{
if (functionPointer is string)
{
string functionName = (string)functionPointer;
functionName = functionName.Substring(0, functionName.Length - 2);
cpu.CallBuiltinFunction(functionName);
}
}
}