public static Symbol Execute(FunctionSymbol symbol, Stack <Symbol> arguments)
{
if (cached_functions == null)
{
LoadFunctionCache();
}
if (!cached_functions.ContainsKey(symbol.Name))
{
throw new InvalidFunctionException(symbol.Name);
}
FunctionCache function = cached_functions[symbol.Name];
if (arguments.Count != function.ArgumentCount && function.ArgumentCount >= 0)
{
throw new ArgumentException(symbol.Name);
}
if (function.RawSymbols)
{
if (function.ArgumentCount == -1)
{
return((Symbol)function.Method.Invoke(null, new object [] { arguments.ToArray() }));
}
else
{
return((Symbol)function.Method.Invoke(null, arguments.ToArray()));
}
}
ArrayList resolved_arguments = new ArrayList();
while (arguments.Count > 0)
{
Symbol argument = arguments.Pop();
if (!(argument is ValueSymbol))
{
throw new ArgumentException("argument must be ValueSymbol");
}
resolved_arguments.Add((argument as ValueSymbol).Value);
}
double retval;
if (function.ArgumentCount == -1)
{
retval = (double)function.Method.Invoke(null, new object [] { resolved_arguments.ToArray(typeof(double)) });
}
else
{
retval = (double)function.Method.Invoke(null, resolved_arguments.ToArray());
}
return(new NumberSymbol(retval));
}
public static Symbol Execute(FunctionSymbol symbol, Stack<Symbol> arguments)
{
if(cached_functions == null) {
LoadFunctionCache();
}
if(!cached_functions.ContainsKey(symbol.Name)) {
throw new InvalidFunctionException(symbol.Name);
}
FunctionCache function = cached_functions[symbol.Name];
if(arguments.Count != function.ArgumentCount && function.ArgumentCount >= 0) {
throw new ArgumentException(symbol.Name);
}
if(function.RawSymbols) {
if(function.ArgumentCount == -1) {
return (Symbol)function.Method.Invoke(null, new object [] { arguments.ToArray() });
} else {
return (Symbol)function.Method.Invoke(null, arguments.ToArray());
}
}
ArrayList resolved_arguments = new ArrayList();
while(arguments.Count > 0) {
Symbol argument = arguments.Pop();
if(!(argument is ValueSymbol)) {
throw new ArgumentException("argument must be ValueSymbol");
}
resolved_arguments.Add((argument as ValueSymbol).Value);
}
double retval;
if(function.ArgumentCount == -1) {
retval = (double)function.Method.Invoke(null, new object [] { resolved_arguments.ToArray(typeof(double)) });
} else {
retval = (double)function.Method.Invoke(null, resolved_arguments.ToArray());
}
return new NumberSymbol(retval);
}
