feat(DAP): Add DAP configuration

- Inspired from https://www.youtube.com/watch?v=lyNfnI-B640

lua/lsp.lua

@@ -64,8 +64,10 @@ vim.api.nvim_create_autocmd("LspAttach", {
 require('which-key').add {
   -- { "<leader>c",  group = "[C]ode" },
   -- { "<leader>c_", hidden = true },
-  { "<leader>d",  group = "[D]ocument / [D]iagnostic" },
+  { "<leader>d",  group = "[D]ocument / [D]iagnostic/ [D]ebug" },
   { "<leader>d_", hidden = true },
+  { "<leader>ds",  group = "[D]ebug [S]tep" },
+  { "<leader>ds_", hidden = true },
   { "<leader>g",  group = "[G]it" },
   { "<leader>g_", hidden = true },
   { "<leader>h",  group = "Git [H]unk" },

lua/plugins-configure.lua

@@ -36,7 +36,47 @@ require('lazy').setup({
   },
 
   -- DAP: Debug Adapter Protocol
-  'mfussenegger/nvim-dap',
+  {
+    'mfussenegger/nvim-dap',
+    dependencies = {
+      'rcarriga/nvim-dap-ui',
+      'theHamsta/nvim-dap-virtual-text',
+    },
+    config = function()
+      local dap = require('dap');
+      local ui = require('dapui');
+      ui.setup();
+      require("nvim-dap-virtual-text").setup();
+
+      vim.keymap.set("n", "<Leader>b", dap.toggle_breakpoint, { desc = "Debug [B]reakpoint", silent = true });
+      vim.keymap.set("n", "<Leader>dr", dap.run_to_cursor, { desc = "[D]ebug [R]un to cursor" });
+      vim.keymap.set("n", "<Leader>de", function()
+        ui.eval(nil, { enter = true })
+      end, { desc = "[D]ebug [E]val under cursor", silent = true });
+
+      -- TODO: add some DAP configs to test
+
+      vim.keymap.set("n", "<Leader>dc", dap.continue  , {desc="[D]ebug [C]ontinue", silent = true})
+      vim.keymap.set("n", "<Leader>dsi", dap.step_into , {desc="[D]ebug [S]tep [I]nto", silent = true})
+      vim.keymap.set("n", "<Leader>dso", dap.step_over , {desc="[D]ebug [S]tep [O]ver", silent = true})
+      vim.keymap.set("n", "<Leader>dsu", dap.step_out  , {desc="[D]ebug [S]tep o[U]t", silent = true})
+      vim.keymap.set("n", "<Leader>dsb", dap.step_back , {desc="[D]ebug [S]tep [B]ack", silent = true})
+      vim.keymap.set("n", "<Leader>dr", dap.restart  , {desc="[D]ebug [R]estart", silent = true})
+
+      dap.listeners.before.attach.dapui_config = function()
+        ui.open()
+      end
+      dap.listeners.before.launch.dapui_config = function()
+        ui.open()
+      end
+      dap.listeners.before.event_terminated.dapui_config = function()
+        ui.close()
+      end
+      dap.listeners.before.event_exited.dapui_config = function()
+        ui.close()
+      end
+    end,
+  },
 
   {
     -- [[ Autocompletion ]]