public static FuncCall TryParse(Expression expr, ref Source s) //TODO: funccall(Expr e, Expr[] args)
{
FuncCall res = null;
Source tempSource = s.Clone();
ArgumentsFact tempArgs = ArgumentsFact.TryParse(ref tempSource);
if (tempArgs == null)
{
//s.Rollback();
return(null);
}
s.currentPos = tempSource.currentPos;
s.Save();
res = new FuncCall(expr);
res.argsList = tempArgs;
return(res);
}
public static Value TryParse(ref Source s)
{
Value res = null;
Null tempNull = Null.TryParse(ref s);
if (tempNull != null)
{
res = tempNull;
}
Number tempNum = Number.TryParse(ref s);
if (tempNum != null)
{
res = tempNum;
}
Bool tempBool = Bool.TryParse(ref s);
if (tempBool != null)
{
res = tempBool;
}
FuncValue tempFunc = FuncValue.TryParse(ref s);
if (tempFunc != null)
{
res = tempFunc;
}
Variable tempVar = Variable.TryParse(ref s);
if (tempVar != null)
{
res = tempVar;
}
if (res != null)
{
res.argsList = ArgumentsFact.TryParse(ref s);
//if (res.args != null && res.nodeType != ExprNodeType.Function)
// return null;
}
return(res);
}