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What would be the workflow when using such tools like this or Source Trail? I've used cscope once while I'm testing out vim as my main text editor a bit.

Nowadays I'm using the global search feature of vscode for code exploration. Combined with the available language server for each language, it seems to work well enough for me currently.

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Cscope in vim to jump between caller and callee (examine relationship). See where symbols are used. Jump to global definition. Could not live without cscope!

Yes this is how I use it and I love it. I think some IDEs havee similar capability but for vim users cscope is an great way to understand large code bases by quickly jumping through callchains. There's a 'Using Cscope with Vim' tutorial on the page that covers it.

Vim now also supports the more powerful vscode language servers. If you haven't done so already, I encourage you to give them a try.

Vim Youcompleteme plugin with libclang support does this better for me. Have you compared?

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