Support for Julia Debugger

[reachtarunhere]

Hello I am trying to get Julia Debugger working with dape.

There has already been done with neovim so I assume it would be possible in emacs with dape

https://github.com/kdheepak/nvim-dap-julia/blob/main/lua/nvim-dap-julia.lua

Below is my experimental config that is not working

(setq dape-configs `((julia-debug
			  modes (julia-mode)
			  command "/home/tarun/.local/bin/julia"
			  port 9020
			  :type "server"
			  :request "launch"
			  :cwd dape-cwd-fn
			  :program dape-find-file-buffer-default
			  :args ["/home/tarun/Downloads/information/server.jl"])))

I get the error: Doing vform no such file or directory

I have tried running the server directly with the command and it does run. Any help would be appreciated! I am willing to try and report back on the suggestions

[svaante]

There are some pain points/issues with DebugAdapter.jl currently:

1. It does not follow the spec, it uses "success": "true" rather
   then "success": true in responses (see dape patch below).
2. There are no "official" bin/script to launch the debug adapter with
   command line args, therefore I recommend using the nvim-dap-julia
   neovim plugin to package the launcher script server.jl.

I would rather see that DebugAdapter.jl follows the DAP protocol then merging the patch below.

Apply patch:

diff --git a/dape.el b/dape.el
index cda9d7e..8977c14 100644
--- a/dape.el
+++ b/dape.el
@@ -1369,7 +1369,9 @@ On failure, ERROR will be an string."
                          (when (functionp cb)
                            (lambda (result)
                              (funcall cb (plist-get result :body)
-                                      (unless (eq (plist-get result :success) t)
+                                      (unless (or (eq (plist-get result :success) t)
+                                                  (equal (plist-get result :success)
+                                                         "true"))
                                         (or (plist-get result :message) "")))))
                          :error-fn 'ignore ;; will never be called
                          :timeout-fn

Install bridge and DebugAdapter.jl:

mkdir -p ~/.emacs.d/debug-adapters
cd ~/.emacs.d/debug-adapters
git clone https://github.com/kdheepak/nvim-dap-julia
# install dependencies from nvim-dap-julia TOML

Add default config:

(add-to-list 'dape-configs
             `(julia command "julia"
                     command-args
                     (,(expand-file-name
                        (file-name-concat
                         dape-adapter-dir "nvim-dap-julia" "scripts" "server.jl"))
                      :autoport)
                     port :autoport
                     :type "julia"
                     :program dape-buffer-default
                     :stopOnEntry nil
                     :cwd dape-cwd
                     :args []
                     :juliaEnv dape-cwd
                     :exitAfterTaskReturns nil
                     :debugAutoInterpretAllModules nil))

[svaante]

Added an issue for wrong response.success type.

julia-vscode/DebugAdapter.jl#87.

[svaante]

Tracking julia-vscode/DebugAdapter.jl#93 for eas of integration, otherwise server script in https://github.com/kdheepak/nvim-dap-julia is an possibility.