Support for references/implementations via code lens

[gjm]

Description

Support for references/implementations code lens.

Here's a screenshot of the intended functionality, in Emacs, with lsp-mode:

Use case

The functionality provides useful information on PHP class dependencies and references and method usage and overrides.

Proposed solution

Here is the link of the feature support in Emacs package lsp-ui: emacs-lsp/lsp-ui#132

Alternatives considered

No response

Code example

[AJenbo]

What does it count? How many times Controller is being extended?

How many calls there are to ListaAvaliados::__constructo()?

My big issue here is that I don't know what this feature is supposed to do, I'm not a former Inteliphens user so this taks feels a bit like "Just copy everything my old tool did" with out explaining what that actually is.

[gjm]

Can't really help you with that. I thought this was something described in the lsp specification.

May I suggest opening some code with vscode using intelephense and see the features it provides.

[AJenbo]

Code lenses are a generic LSP feature that shows text above a line and optionally executes a command when clicked. It's essentially a combination of inlay hints and code actions. The most common use case (which seems to be what you're after) is showing "N references" / "N implementations" counts above classes and methods, where clicking them opens the references/implementations panel.

If you can confirm that's what you want, I can implement it. If the numbers don't mean anything specific to you beyond "show me how many places reference this symbol," I'll just wire it up to the existing find-references and go-to-implementation features and display the counts.

I don't mean to be dismissive, but I'm offering to build this for the low price of you describing what you actually want. If I have to guess, I might end up implementing something different from your expectations, and then you'll open a follow-up issue called "Code lenses aren't exactly like Intelephense." This isn't free-Intelephense™️.