[Lldb-commits] [lldb] [lldb] Turn lldb_private::Status into a value type. (PR #106163)

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jimingham wrote:



> On Aug 27, 2024, at 8:51 AM, Adrian Prantl ***@***.***> wrote:
> 
> 
> I like this. I have just two remarks:
> 
> it might be better to split this into three steps (add new APIs, port to new APIs, remove old APIs), as that will make reverts easier/less disruptive (I don't know how much we can trust pre-commit CI these days, but I wouldn't be surprised if this breaks some platform-specific code).
> From previous experience, I'm convinced that I'm going to break some platform-specific bots with this commit. I like the idea of only reverting the commit that removes the old API while that process is ongoing!
> 
> since this seems like a perfect opportunity to bikesh^Wdiscuss the names, I'm going to ask if there's any appetite for shortening some of the new factory functions. Status::FromErrorStringWithFormatv is a bit of a mouthful, so I was thinking if we could use something shorter instead (Status::FromFormatv or even Status::Formatv) ?
> I picked these names, because they are in line with the old names, which made the regex replacement feasible. Renaming them afterwards is going to be easier.
> My 2 cents on the naming: I had Status::FromFormatv in a previous iteration of this patch and changed my mind, because it doesn't indicate that this is going to be an error. What do you think about the slightly shorter Status::ErrorFromFromatv()?
> Or, more radical, and potentially really confusing with LLVM code: rename lldb_private::Status to lldb_private::Error. I don't think I'd like that.
> 

Note that lldb::Status WAS lldb::Error for a very long time till LLVM added its Error classes, and renamed the lldb ones in doing so.   That's why you see

Status error;

everywhere in lldb.  So going back is unlikely to find favor...

Jim

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https://github.com/llvm/llvm-project/pull/106163