Fix dap-mode for emacs

flake.nix

@@ -85,6 +85,7 @@
             "steam-runtime"
             "skypeforlinux"
             "teams"
+            "vscode-extension-ms-vscode-cpptools"
             "zoom"
           ];
       };

modules/emacs/default.el

@@ -456,14 +456,19 @@
 ;; dap
 (use-package dap-mode
   :ensure
-  :after lsp-mode
-  :requires (dap-cpptools)
-  :config
-  (dap-ui-mode)
-  (dap-ui-controls-mode 1)
+  :after (lsp-mode dap-cpptools)
   :custom
   (dap-mode t)
-  (dap-ui-mode t))
+  (dap-ui-mode t)
+  (dap-ui-controls-mode t)
+  (dap-tooltip-mode t))
+(use-package dap-cpptools
+  :preface
+  (require 'f)
+  :custom
+  (dap-cpptools-debug-path elss/paths/cpptools)
+  (dap-cpptools-debug-program elss/paths/cpptools-program))
+
 
 ;; flycheck
 (use-package flycheck

modules/emacs/default.nix

@@ -7,10 +7,15 @@
 with lib; let
   defaultEl = ./default.el;
   environment.systemPackages = [pkgs.gdb]; # use gdb for dap-mode
+  localsettings = pkgs.writeText "local-settings.el" ''
+    (defconst elss/paths/cpptools "{$pkgs.unstable.vscode-extensions.ms-vscode.cpptools}/share/vscode/extensions/ms-vscode.cpptools")
+    (defconst elss/paths/cpptools-program "${pkgs.unstable.vscode-extensions.ms-vscode.cpptools}/share/vscode/extensions/ms-vscode.cpptools/debugAdapters/bin/OpenDebugAD7")
+  '';
 
   defaultConfig = pkgs.runCommand "default.el" {} ''
     mkdir -p $out/share/emacs/site-lisp
     cp ${defaultEl} $out/share/emacs/site-lisp/default.el
+    cp ${localsettings} $out/share/emacs/site-lisp/local-settings.el
   '';
   emacsPackage =
     (pkgs.emacsPackagesFor pkgs.emacs).emacsWithPackages