internal static ExceptionHandlerNode GetHandler(
ReadOnlyCollection <ExceptionHandlerNode> handlers,
Exception exception,
ExecutionContext context)
{
ExceptionTypeList.Comparer comparer1 = new ExceptionTypeList.Comparer(ExceptionTypeList.CompareEqual);
Type matchedType = (Type)null;
foreach (ExceptionHandlerNode handler in handlers)
{
if (handler.ExceptionTypes != null && handler.ExceptionTypes.Matches(comparer1, exception.GetType(), out matchedType))
{
ScriptTrace.Trace(context, 1, "TrapOnExceptionMatch", (object)exception.GetType());
return(handler);
}
}
ExceptionTypeList.Comparer comparer2 = new ExceptionTypeList.Comparer(ExceptionTypeList.CompareSubclass);
foreach (ExceptionHandlerNode handler in handlers)
{
if (handler.ExceptionTypes != null && handler.ExceptionTypes.Matches(comparer2, exception.GetType(), out matchedType))
{
ScriptTrace.Trace(context, 1, "TrapOnSubclassMatch", (object)matchedType, (object)exception.GetType());
return(handler);
}
}
foreach (ExceptionHandlerNode handler in handlers)
{
if (handler.ExceptionTypes == null)
{
ScriptTrace.Trace(context, 1, "TrapOnGenericException", (object)exception.GetType());
return(handler);
}
}
return((ExceptionHandlerNode)null);
}
internal bool Matches(ExceptionTypeList.Comparer comparer, Type type, out Type matchedType)
{
matchedType = (Type)null;
foreach (TypeLiteral typeLiteral in (Collection <TypeLiteral>) this)
{
if (comparer(type, typeLiteral.Type))
{
matchedType = typeLiteral.Type;
return(true);
}
}
return(false);
}
