walter-erquinigo wrote:

> > @vogelsgesang , the $__lldb_extensions.declaration is used by the Mojo 
> > extension. Once this change gets it, I'll update the Mojo extension to use 
> > the new declaration info and remove $__lldb_extensions.declaration.
> 
> Is that extension's source code available? I wonder how you are currently 
> using the declarationLocation in your frontend, and if your extension is 
> based on `lldb-dap`. If so, would it make sense to upstream your UI 
> integration to `lldb-dap`? Or maybe even to VS-Code itself?

The source code is not available and I couldn't include it in the typescript 
part of the lldb-dap. I'll explain what I do:

The Mojo extension has a listener that captures the DAP traffic. Then, whenever 
it receives variable information, which includes 
`$__lldb_extensions.declaration`, it then invokes the Mojo LSP for all the 
references of a given variable and then it displays the values of that variable 
in the source code. It looks like this:

<img width="685" alt="Screenshot 2024-08-21 at 10 16 53 PM" 
src="https://github.com/user-attachments/assets/6e0d0800-5a65-43bc-a52d-b5037043732f";>

Sadly I can't easily open source that because it requires the cooperation of an 
LSP. If you think that this feature would be useful to you, assuming that you 
have a preferred LSP, then we can talk about open sourcing this and adding an 
LSP hook somewhere. With at least 2 LSPs in question, we could design something 
relatively generic.

https://github.com/llvm/llvm-project/pull/102928
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