public DefType ExistsVariable(string name, CodeElement elem)
{
if (Vars.ExistsVariable(name))
{
return(Vars.GetVariable(name).ResultType);
}
else if (ParentScope != null)
{
return(ParentScope.ExistsVariable(name, elem));
}
else
{
throw new Exception(string.Format("A variable called '{0}', {1}, does not exists", name, elem.GetLineAndColumn()));
}
}