Dap support

lua/godotdev/dap.lua

@@ -0,0 +1,37 @@
+local M = {}
+
+function M.setup(config)
+  local dap = require("dap")
+  local dapui = require("dapui")
+  require("godotdev.keymaps").attach_dap()
+
+  dap.adapters.godot = {
+    type = "server",
+    host = config.editor_host or "127.0.0.1",
+    port = config.debug_port or 6006,
+  }
+
+  dap.configurations.gdscript = {
+    {
+      type = "godot",
+      request = "launch",
+      name = "Launch scene",
+      project = "${workspaceFolder}",
+      launch_scene = true,
+    },
+  }
+
+  dapui.setup()
+
+  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
+end
+
+return M

lua/godotdev/init.lua

@@ -1,2 +1 @@
--- lua/godotdev/init.lua
 return require("godotdev.setup")

lua/godotdev/keymaps.lua

@@ -1,6 +1,6 @@
 local M = {}
 
-function M.attach(bufnr)
+function M.attach_lsp(bufnr)
   local opts = { buffer = bufnr }
 
   local has_telescope, telescope_builtin = pcall(require, "telescope.builtin")
@@ -57,4 +57,26 @@ function M.attach(bufnr)
   map("n", "]d", vim.diagnostic.goto_next, "LSP: Next diagnostic")
 end
 
+function M.attach_dap()
+  local dap = require("dap")
+  local dapui = require("dapui")
+
+  local function map(mode, lhs, rhs, desc)
+    vim.keymap.set(mode, lhs, rhs, { desc = desc })
+  end
+
+  -- Basic debugger controls
+  map("n", "<F5>", dap.continue, "DAP: Continue/Start")
+  map("n", "<F10>", dap.step_over, "DAP: Step over")
+  map("n", "<F11>", dap.step_into, "DAP: Step into")
+  map("n", "<F12>", dap.step_out, "DAP: Step out")
+  map("n", "<leader>db", dap.toggle_breakpoint, "DAP: Toggle breakpoint")
+  map("n", "<leader>dB", function()
+    dap.set_breakpoint(vim.fn.input("Breakpoint condition: "))
+  end, "DAP: Conditional breakpoint")
+
+  -- UI
+  map("n", "<leader>du", dapui.toggle, "DAP: Toggle UI")
+  map("n", "<leader>dr", dap.repl.open, "DAP: Open REPL")
+end
 return M

lua/godotdev/lsp.lua

@@ -29,7 +29,7 @@ M.setup = function(config)
     capabilities = capabilities,
     on_attach = function(client, bufnr)
       utils.suppress_unsupported_lsp_messages(client, { "Method not found: godot/reloadScript" })
-      keymaps.attach(bufnr)
+      keymaps.attach_lsp(bufnr)
     end,
   })
 end

lua/godotdev/setup.lua

@@ -3,12 +3,29 @@ local M = {}
 M.opts = {
   editor_host = "127.0.0.1",
   editor_port = 6005,
+  debug_port = 6006,
 }
 
 function M.setup(opts)
   M.opts = vim.tbl_extend("force", M.opts, opts or {})
-  require("godotdev.lsp").setup({ editor_host = M.opts.editor_host, editor_port = M.opts.editor_port })
-  require("godotdev.health").setup({ port = M.opts.editor_port })
+
+  require("godotdev.lsp").setup({
+    editor_host = M.opts.editor_host,
+    editor_port = M.opts.editor_port,
+  })
+
+  require("godotdev.health").setup({
+    port = M.opts.editor_port,
+  })
+
+  local dap_ok, dap = pcall(require, "dap")
+  if dap_ok then
+    dap.adapters.godot = {
+      type = "server",
+      host = M.opts.editor_host,
+      port = M.opts.debug_port,
+    }
+  end
 end
 
 return M

lua/godotdev/utils.lua

@@ -3,22 +3,22 @@ local M = {}
 --- Suppress specific LSP messages
 -- @param client vim.lsp.Client
 -- @param patterns table List of string patterns to ignore in client messages
-function M.suppress_lsp_messages(client, patterns)
-	local orig_handler = vim.lsp.handlers["window/showMessage"]
-	vim.lsp.handlers["window/showMessage"] = function(err, method, params, client_id)
-		local lsp_client = vim.lsp.get_client_by_id(client_id)
-		if lsp_client and lsp_client.name == client.name then
-			if params and params.message then
-				for _, pat in ipairs(patterns) do
-					if params.message:match(pat) then
-						return -- silently ignore this message
-					end
-				end
-			end
-		end
-		-- fallback to original handler for all other messages
-		orig_handler(err, method, params, client_id)
-	end
+function M.suppress_unsupported_lsp_messages(client, patterns)
+  local orig_handler = vim.lsp.handlers["window/showMessage"]
+  vim.lsp.handlers["window/showMessage"] = function(err, method, params, client_id)
+    local lsp_client = vim.lsp.get_client_by_id(client_id)
+    if lsp_client and lsp_client.name == client.name then
+      if params and params.message then
+        for _, pat in ipairs(patterns) do
+          if params.message:match(pat) then
+            return -- silently ignore this message
+          end
+        end
+      end
+    end
+    -- fallback to original handler for all other messages
+    orig_handler(err, method, params, client_id)
+  end
 end
 
 return M