public MetaRuleBuilder (string name, NamespaceBuilder ns, CodeLinePragma loc, TypeAttributes attr)
{
rb = new RuleBuilder (name, ns, loc, attr);
tmpl = new RuleTemplateBuilder (name + "RTemplate", rb, ns, loc, attr);
ns.AddMetaRule (this);
BaseClass = RuleType;
}
public MetaRuleBuilder(string name, NamespaceBuilder ns, CodeLinePragma loc, TypeAttributes attr)
{
rb = new RuleBuilder(name, ns, loc, attr);
tmpl = new RuleTemplateBuilder(name + "RTemplate", rb, ns, loc, attr);
ns.AddMetaRule(this);
BaseClass = RuleType;
}
public UserType ResolveBoundRuleType(TypeResolveContext trc, bool errors)
{
if (!resolved)
{
if (errors)
{
throw new InvalidOperationException();
}
return(null);
}
UserType ret;
if (IsUser)
{
// User type. Use our lookup tables
RuleTemplateBuilder rtb = trc.Driver.GetUserTypeItem((string)t) as RuleTemplateBuilder;
if (errors && rtb == null)
{
throw ExHelp.App("Expected a rule template but got {0} for {1}",
trc.Driver.GetUserTypeItem((string)t), this);
}
ret = new UserType(rtb.Rule.FullName);
}
else
{
// System type. Use reflection.
Type type = (Type)t;
object[] attrs = type.GetCustomAttributes(typeof(RuleBindingAttribute), false);
if (errors && attrs.Length == 0)
{
throw ExHelp.App("Expected type {0} to have a RuleBindingAttribute " +
"but it didn't. This type is not allowed to be a rule baseclass.", type);
}
ret = new UserType(((RuleBindingAttribute)attrs[0]).RuleType);
}
if (ret.Resolve(trc, errors))
{
if (errors)
{
throw ExHelp.App("Failed to resolve bound rule type {0}", ret);
}
return(null);
}
return(ret);
}
