public Rumor(Dictionary <string, List <Node> > nodes, RumorScope scope = null)
{
// Make a copy so our version does not change
Nodes = new Dictionary <string, List <Node> >(nodes);
Stack = new Stack <StackFrame>();
State = new RumorState();
Scope = scope ?? new RumorScope();
Bindings = new RumorBindings();
}
public override Value Evaluate(RumorScope scope)
{
var value = scope.Get(name);
if (value == null)
{
throw new UndefinedVariableException(
"Variable \"" + name + "\" has not been defined yet!"
);
}
return(value);
}
public override Value Evaluate(RumorScope scope)
{
var value = scope.Get(name);
if (value == null)
{
throw new UndefinedVariableException(
"Variable \"" + name + "\" has not been defined yet!"
);
}
if (!(value is NumberValue))
{
throw new VariableTypeException(
"Variable is not a number!"
);
}
return((NumberValue)value);
}
public override Value Evaluate(RumorScope scope)
{
return(l.Evaluate(scope).AsBoolean() && r.Evaluate(scope).AsBoolean());
}
public override Value Evaluate(RumorScope scope)
{
return(l.Evaluate(scope).AsNumber() - r.Evaluate(scope).AsNumber());
}
public override Value Evaluate(RumorScope scope)
{
var result = value.Evaluate(scope).InternalValue;
return(new StringValue(result.ToString()));
}
public override Value Evaluate(RumorScope scope)
{
return(new BooleanValue(
l.Evaluate(scope).AsNumber() < r.Evaluate(scope).AsNumber()
));
}
public override Value Evaluate(RumorScope scope)
{
return(new BooleanValue(l.Evaluate(scope) == r.Evaluate(scope)));
}
public override Value Evaluate(RumorScope scope)
{
return(!expression.Evaluate(scope).AsBoolean());
}
public override Value Evaluate(RumorScope scope)
{
return(new StringValue(value.Evaluate(scope).ToString()));
}
public override Value Evaluate(RumorScope scope)
{
return(l.Evaluate(scope).AsString() + r.Evaluate(scope).AsString());
}
public override Value Evaluate(RumorScope _)
{
return(Value);
}
public abstract Value Evaluate(RumorScope scope);