1 files changed, 81 insertions, 0 deletions
diff --git a/modules/development/nixvim/plugins/dap.nix b/modules/development/nixvim/plugins/dap.nix
new file mode 100644
index 0000000..02bffa6
--- /dev/null
+++ b/modules/development/nixvim/plugins/dap.nix
@@ -0,0 +1,81 @@
+# Debug Adapter Protocol client implementation for Neovim.
+{ config, lib, ... }:
+{
+  config.programs.nixvim = lib.mkIf config.development.nixvim.enable {
+    plugins.dap = {
+      enable = true;
+    };
+
+    keymaps = [
+      # Core DAP controls
+      {
+        mode = "n";
+        key = "<leader>dc";
+        action = "<cmd>lua require('dap').continue()<CR>";
+        options.desc = "Debug: Continue";
+      }
+      {
+        mode = "n";
+        key = "<leader>di";
+        action = "<cmd>lua require('dap').step_into()<CR>";
+        options.desc = "Debug: Step Into";
+      }
+      {
+        mode = "n";
+        key = "<leader>do";
+        action = "<cmd>lua require('dap').step_over()<CR>";
+        options.desc = "Debug: Step Over";
+      }
+      {
+        mode = "n";
+        key = "<leader>dO";
+        action = "<cmd>lua require('dap').step_out()<CR>";
+        options.desc = "Debug: Step Out";
+      }
+      {
+        mode = "n";
+        key = "<leader>db";
+        action = "<cmd>lua require('dap').toggle_breakpoint()<CR>";
+        options.desc = "Debug: Toggle Breakpoint";
+      }
+      {
+        mode = "n";
+        key = "<leader>dB";
+        action = "<cmd>lua require('dap').set_breakpoint(vim.fn.input('Breakpoint condition: '))<CR>";
+        options.desc = "Debug: Conditional Breakpoint";
+      }
+      {
+        mode = "n";
+        key = "<leader>dl";
+        action = "<cmd>lua require('dap').run_last()<CR>";
+        options.desc = "Debug: Run Last";
+      }
+      {
+        mode = "n";
+        key = "<leader>dt";
+        action = "<cmd>lua require('dap').terminate()<CR>";
+        options.desc = "Debug: Terminate";
+      }
+      {
+        mode = "n";
+        key = "<leader>dr";
+        action = "<cmd>lua require('dap').repl.toggle()<CR>";
+        options.desc = "Debug: Toggle REPL";
+      }
+    ];
+
+    # Auto open/close dap-ui with the debug session lifecycle
+    extraConfigLua = ''
+      local dap, dapui = require("dap"), require("dapui")
+      dap.listeners.after.event_initialized["dapui_config"] = function()
+        dapui.open()
+      end
+      dap.listeners.before.event_terminated["dapui_config"] = function()
+        dapui.close()
+      end
+      dap.listeners.before.event_exited["dapui_config"] = function()
+        dapui.close()
+      end
+    '';
+  };
+}