protected override IValue readValue(String name, Func <IValue> supplier)
{
ConcreteCategoryDeclaration decl = getDeclaration();
if (decl.hasAttribute(this, name))
{
IValue value = instance.GetMemberValue(calling, name, false);
return(value != null ? value : supplier.Invoke());
}
else if (decl.hasMethod(this, name))
{
IMethodDeclaration method = decl.getMemberMethods(this, name).GetFirst();
return(new ClosureValue(this, new MethodType(method)));
}
else
{
return(supplier.Invoke());
}
}
public override Context contextForValue(String name)
{
// params and variables have precedence over members
// so first look in context values
Context context = base.contextForValue(name);
if (context != null)
{
return(context);
}
ConcreteCategoryDeclaration decl = getDeclaration();
if (decl.hasAttribute(this, name) || decl.hasMethod(this, name))
{
return(this);
}
else
{
return(null);
}
}