Add DAP support, and some refactoring, nothing fancy for the DAPs yet, but good enough to use.

nvim/lua/plugs/mason_lsp.lua

@@ -1,41 +1,4 @@
-return {
-    "williamboman/mason.nvim",
-    dependencies = {
-        "williamboman/mason-lspconfig.nvim",
-        "neovim/nvim-lspconfig",
-        "WhoIsSethDaniel/mason-tool-installer.nvim",
-        "RubixDev/mason-update-all",
-    },
-    config = function()
-        -- Find all files in lua/language_servers and require them
-        -- We use them to ensure that the servers are installed and configured
-        -- Make sure that the files use the lspconfig naming convention
-        local lua_files_str = vim.fn.globpath(vim.fn.stdpath("config") .. "/lua/language_servers", "*.lua", true)
-        local has_line_breaks = vim.fn.match(lua_files_str, [[\n]]) > -1
-        -- Get an array of all the files in the directory, make sure to account for single file
-        local lua_files = has_line_breaks and vim.fn.split(lua_files_str, "\n") or { lua_files_str }
-        -- Remove path and extension and only keep the filename
-        local server_names = vim.tbl_map(function(file)
-            return vim.fn.fnamemodify(file, ":t:r")
-        end, lua_files)
-
-        -- Create a new table which contains the non-lsp setups for Mason (linters, formatters, etc)
-        -- IMPORTANT: Make sure to leave rust-analyzer out of this list, as it can cause conflicts with rustaceanvim.
-        -- Install rust-analyzer using your systems package manager instead.
-        local mason_installs = vim.list_extend({
-            "clang-format",
-            "cmakelang",
-            -- "luaformater",
-        }, server_names)
-
-        require("mason").setup()
-        require("mason-lspconfig").setup()
-        require("mason-tool-installer").setup({
-            ensure_installed = mason_installs,
-        })
-        require("mason-update-all").setup()
-
-        -- Iterate each server and setup
+local function setup_lsp(server_names)
     local capabilities = require("cmp_nvim_lsp").default_capabilities()
     local lspconfig = require("lspconfig")
     for _, server_name in ipairs(server_names) do
@@ -67,5 +30,105 @@ return {
             error("LSP server not found: " .. server_name)
         end
     end
+end
+
+local function setup_dap()
+    local dap = require("dap")
+    local dapui = require("dapui")
+    dapui.setup()
+
+    local dap_signs = {
+        { "DapBreakpoint", { text = "🛑", texthl = "", linehl = "", numhl = "" } },
+    }
+
+    for _, sign in ipairs(dap_signs) do
+        vim.fn.sign_define(sign[1], sign[2])
+    end
+
+    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
+
+    require("mason-nvim-dap").setup({
+        handlers = {}
+    })
+    require("nvim-dap-repl-highlights").setup()
+
+    require("utils").add_keymaps({
+        n = {
+            ["<leader>dr"] = { cmd = ":lua require(\"dap\").continue()<CR>" },
+            ["<leader>db"] = { cmd = ":lua require(\"dap\").toggle_breakpoint()<CR>" },
+            ["<leader>ds"] = {
+                cmd = function()
+                    dap.disconnect({ terminateDebuggee = true })
+                    dap.close()
+                    dapui.close()
+                end
+            },
+            ["<F10>"] = { cmd = ":lua require(\"dap\").step_over()<CR>" },
+            ["<F11>"] = { cmd = ":lua require(\"dap\").step_into()<CR>" },
+            ["<F12>"] = { cmd = ":lua require(\"dap\").step_out()<CR>" },
+        }
+    })
+end
+
+return {
+    "williamboman/mason.nvim",
+    dependencies = {
+        -- Mason plugins
+        "WhoIsSethDaniel/mason-tool-installer.nvim",
+        "RubixDev/mason-update-all",
+
+        -- LSP config
+        "neovim/nvim-lspconfig",
+        "williamboman/mason-lspconfig.nvim",
+
+        -- DAP
+        "folke/neodev.nvim",
+        "jay-babu/mason-nvim-dap.nvim",
+        "rcarriga/nvim-dap-ui",
+        "mfussenegger/nvim-dap",
+        "nvim-neotest/nvim-nio",
+        "LiadOz/nvim-dap-repl-highlights"
+    },
+    config = function()
+        -- Find all files in lua/language_servers and require them
+        -- We use them to ensure that the servers are installed and configured
+        -- Make sure that the files use the lspconfig naming convention
+        local lua_files_str = vim.fn.globpath(vim.fn.stdpath("config") .. "/lua/language_servers", "*.lua", true)
+        local has_line_breaks = vim.fn.match(lua_files_str, [[\n]]) > -1
+        -- Get an array of all the files in the directory, make sure to account for single file
+        local lua_files = has_line_breaks and vim.fn.split(lua_files_str, "\n") or { lua_files_str }
+        -- Remove path and extension and only keep the filename
+        local server_names = vim.tbl_map(function(file)
+            return vim.fn.fnamemodify(file, ":t:r")
+        end, lua_files)
+
+        -- Create a new table which contains the non-lsp setups for Mason (linters, formatters, etc)
+        -- IMPORTANT: Make sure to leave rust-analyzer out of this list, as it can cause conflicts with rustaceanvim.
+        -- Install rust-analyzer using your systems package manager instead.
+        local mason_installs = vim.list_extend({
+            "clang-format",
+            "cmakelang",
+            "codelldb",
+            "netcoredbg",
+        }, server_names)
+
+        require("mason").setup()
+        require("mason-lspconfig").setup()
+        require("mason-tool-installer").setup({
+            ensure_installed = mason_installs,
+        })
+
+        setup_lsp(server_names)
+        setup_dap()
+
+        require("mason-update-all").setup()
     end,
 }