Can dap continue launch the lua file?

[yanshay]

With Python and Rust, when doing dap continue it is able to launch the debugger.

With osv I could only achieve debugging using require'osv'.run_this() to achieve the same.
This means that key maps need to be different between lua and other languages.

Is there a way to configure osv or dap so the same technique of dap continue will work also for lua debugging?

[jbyuki]

Osv works with continue() as well but it might work differently from what you expect. continue() can work in two ways in dap:

• Attach mode : this will attach the nvim-dap client to an already running executable.
• Launch mode: nvim-dap will launch the executable itself and attach to it.

Probably your configuration for python and rust works in launch mode. run_this() also does that to some extent. As you might have guessed osv works primarily in an attach mode, meaning you need to launch a separate instance of neovim manually and use continue(). See the documentation on how to use it.

If you really want to have a launch configuration, it's technically possible. The creator of nvim-dap has made one which only works with alacritty available here: https://github.com/mfussenegger/dotfiles/blob/2428fc92505bb5aa5c48d475f1f7a23cbf64fc00/vim/.config/nvim/ftplugin/lua.lua#L3-L43 . But if you have tmux or something similar, opening a new neovim instance should just be a few keystrokes away.

Also note that osv is primarily used to debug plugin where you almost always need a separate neovim instance so it either needs to be launched manually or via a launcher script.