public static void RequiresNotFrozen(RubyContext /*!*/ context, object /*!*/ obj)
{
if (context.IsObjectFrozen(obj))
{
throw RubyExceptions.CreateTypeError("can't modify frozen object");
}
}
public static object InitializeCopy(RubyContext/*!*/ context, object self, object source) {
RubyClass selfClass = context.GetClassOf(self);
RubyClass sourceClass = context.GetClassOf(source);
if (sourceClass != selfClass) {
throw RubyExceptions.CreateTypeError("initialize_copy should take same class object");
}
if (context.IsObjectFrozen(self)) {
throw RubyExceptions.CreateTypeError(String.Format("can't modify frozen {0}", selfClass.Name));
}
return self;
}
public static bool Frozen(RubyContext/*!*/ context, object self) {
if (RubyUtils.IsRubyValueType(self)) {
return false; // can't freeze value types
}
return context.IsObjectFrozen(self);
}
public static IList UniqueSelf(RubyContext/*!*/ context, IList/*!*/ self) {
var seen = new Dictionary<object, bool>(context.EqualityComparer);
bool modified = false;
int i = 0;
while (i < self.Count) {
object key = self[i];
if (!seen.ContainsKey(key)) {
seen.Add(key, true);
i++;
} else {
if (context.IsObjectFrozen(self)) {
throw RubyExceptions.CreateTypeError("can't modify frozen array");
}
self.RemoveAt(i);
modified = true;
}
}
return modified ? self : null;
}
public static void RequiresNotFrozen(RubyContext/*!*/ context, object/*!*/ obj) {
if (context.IsObjectFrozen(obj)) {
throw RubyExceptions.CreateTypeError("can't modify frozen object");
}
}
