[wip] nvim: start migration to nvim-dap

.gitmodules

@@ -99,3 +99,15 @@
 [submodule "src/.local/share/nvim/site/pack/3pp/start/colorbuddy.nvim"]
 	path = src/.local/share/nvim/site/pack/3pp/start/colorbuddy.nvim
 	url = https://github.com/tjdevries/colorbuddy.nvim.git
+[submodule "nvim-dap"]
+	path = nvim-dap
+	url = https://github.com/mfussenegger/nvim-dap.git
+[submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-dap"]
+	path = src/.local/share/nvim/site/pack/3pp/start/nvim-dap
+	url = https://github.com/mfussenegger/nvim-dap.git
+[submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-dap-ui"]
+	path = src/.local/share/nvim/site/pack/3pp/start/nvim-dap-ui
+	url = https://github.com/rcarriga/nvim-dap-ui.git
+[submodule "src/.local/share/nvim/site/pack/3pp/start/nvim-nio"]
+	path = src/.local/share/nvim/site/pack/3pp/start/nvim-nio
+	url = https://github.com/nvim-neotest/nvim-nio

src/.config/nvim/coding.vim

@@ -7,7 +7,7 @@ set foldexpr=nvim_treesitter#foldexpr()
 " unfold by default
 set foldlevel=99
 
-source $XDG_CONFIG_HOME/nvim/vimspector.vim
+" source $XDG_CONFIG_HOME/nvim/vimspector.vim
 
 " auto-pairs
 let g:AutoPairsFlyMode = 0

src/.config/nvim/lua/coding.lua

@@ -1,7 +1,7 @@
 -- stuff for coding
 
-confutil = require("confutil")
-keymap = confutil.keymap
+local confutil = require("confutil")
+local keymap = confutil.keymap
 
 
 ------

src/.config/nvim/lua/confutil.lua

@@ -10,7 +10,7 @@ function M.keymap(key, cmd, params)
 
 	default_params = {
 		silent=true,
-		mode="n",
+		mode={'n'},
 		noremap=true,
 	}
 	setmetatable(params, {
@@ -19,7 +19,7 @@ function M.keymap(key, cmd, params)
 		end
 	})
 
-	vim.api.nvim_set_keymap(params.mode, key, cmd, { silent=params.silent, noremap=params.noremap })
+	vim.keymap.set(params.mode, key, cmd, { silent=params.silent, noremap=params.noremap })
 end
 
 -- see ~/.config/dot_profile.example for info

src/.config/nvim/lua/debugging.lua

@@ -0,0 +1,138 @@
+-- dap and debugging related configurations
+
+local confutil = require("confutil")
+local keymap = confutil.keymap
+
+local dap = require("dap")
+local dapui = require("dapui")
+
+--------------------------------
+--------------------------------
+-- dap-ui configuration
+--------------------------------
+--------------------------------
+
+----------------
+-- key bindings
+----------------
+
+keymap("<leader>dd", dapui.setup)
+keymap("<leader>rs", dap.continue)
+keymap("<leader>rt", dap.restart)
+keymap("<leader>rr", dap.terminate)
+keymap("<c-p>", dap.step_into)
+keymap("<c-n>", dap.step_over)
+keymap("<F12>", dap.step_out)
+keymap("<leader>dsf", dap.toggle_breakpoint)
+keymap("<leader>dsc", dap.clear_breakpoints)
+keymap("<leader>dsF", function()
+	dap.set_breakpoint(vim.fn.input("cond: "))
+end)
+keymap("K", dapui.eval, {mode = {'n', 'v'}})
+
+----------------
+-- ui setup
+----------------
+
+-- https://github.com/rcarriga/nvim-dap-ui/blob/master/doc/nvim-dap-ui.txt
+dapui.setup({
+	controls = {
+		enabled = false,
+	},
+	icons = {
+		collapsed = ">",
+		current_frame = ">",
+		expanded = "v",
+	},
+	layouts = {
+		{
+			elements = {
+				{
+					id = "stacks",
+					size = 0.20
+				},
+				{
+					id = "scopes",
+					size = 0.40
+				},
+				{
+					id = "watches",
+					size = 0.40
+				},
+			},
+			position = "left",
+			size = 40
+		},
+		{
+			elements = {
+				{
+					id = "repl",
+					size = 1
+				},
+			},
+			position = "bottom",
+			size = 10
+		},
+		{
+			elements = {
+				{
+					id = "console",
+					size = 1
+				}
+			},
+			position = "right",
+			size = 50
+		},
+	},
+})
+
+dap.listeners.after.launch.dapui_config = function()
+	dapui.open()
+end
+dap.listeners.after.attach.dapui_config = function()
+	dapui.open()
+end
+dap.listeners.after.event_terminated.dapui_config = function()
+	dapui.close()
+end
+dap.listeners.after.event_exited.dapui_config = function()
+	dapui.close()
+end
+
+
+--------------------------------
+--------------------------------
+-- debug adapter configs
+--------------------------------
+--------------------------------
+
+-- https://github.com/mfussenegger/nvim-dap/wiki/Debug-Adapter-installation#python
+dap.adapters.python = function(cb, config)
+	if config.request == 'attach' then
+		assert(false, "attach not implemented")
+	else
+		cb({
+			type = 'executable',
+			command = "python",
+			args = { "-m", "debugpy.adapter" },
+			options = {
+				source_filetype = "python",
+			}
+		})
+	end
+end
+
+dap.configurations.python = {
+	{
+		-- dap parts
+		type = "python";
+		request = "launch";
+		name = "launch file";
+
+		-- debugger parts
+		program = "${file}";
+		-- this could be smarter (e.g., try to find a virtual env)
+		pythonPath = function() return "/usr/bin/python" end;
+		console = "integratedTerminal";
+	}
+}

src/.config/nvim/lua/init.lua

@@ -101,4 +101,5 @@ end
 
 if dotprofile >= profile_table.DEFAULT then
 	require("coding")
+	require("debugging")
 end

src/.local/share/nvim/site/pack/3pp/start/nvim-dap

@@ -0,0 +1 @@
+Subproject commit 405df1dcc2e395ab5173a9c3d00e03942c023074

src/.local/share/nvim/site/pack/3pp/start/nvim-dap-ui

@@ -0,0 +1 @@
+Subproject commit edfa93f60b189e5952c016eee262d0685d838450

src/.local/share/nvim/site/pack/3pp/start/nvim-nio

@@ -0,0 +1 @@
+Subproject commit 33c62b3eadd8154169e42144de16ba4db6784bec