nvim/lua/rua/plugins/dap.lua

---@param config {args?:string[]|fun():string[]?}
local function get_args(config)
  local args = type(config.args) == "function" and (config.args() or {}) or config.args or {}
  config = vim.deepcopy(config)
  ---@cast args string[]
  config.args = function()
    local new_args = vim.fn.input("Run with args: ", table.concat(args, " ")) --[[@as string]]
    return vim.split(vim.fn.expand(new_args) --[[@as string]], " ")
  end
  return config
end

return {
  {
    "mfussenegger/nvim-dap",
    recommended = true,
    desc = "Debugging support. Requires language specific adapters to be configured. (see lang extras)",

    dependencies = {
      "rcarriga/nvim-dap-ui",
      -- virtual text for the debugger
      {
        "theHamsta/nvim-dap-virtual-text",
        opts = {},
      },
    },

    config = function()
      vim.api.nvim_set_hl(0, "DapStoppedLine", { default = true, link = "Visual" })

      -- setup dap config by VsCode launch.json file
      local vscode = require("dap.ext.vscode")
      local json = require("plenary.json")
      vscode.json_decode = function(str)
        return vim.json.decode(json.json_strip_comments(str))
      end

      -- Extends dap.configurations with entries read from .vscode/launch.json
      if vim.fn.filereadable(".vscode/launch.json") then
        vscode.load_launchjs()
      end
    end,

    -- stylua: ignore
    keys = {
      -- { "<leader>d", "", desc = "+debug", mode = {"n", "v"} },
      { "<leader>dB", function() require("dap").set_breakpoint(vim.fn.input('Breakpoint condition: ')) end, desc = "Breakpoint Condition" },
      { "<leader>db", function() require("dap").toggle_breakpoint() end, desc = "Toggle Breakpoint" },
      { "<leader>dc", function() require("dap").continue() end, desc = "Continue" },
      { "<leader>da", function() require("dap").continue({ before = get_args }) end, desc = "Run with Args" },
      { "<leader>dC", function() require("dap").run_to_cursor() end, desc = "Run to Cursor" },
      { "<leader>dg", function() require("dap").goto_() end, desc = "Go to Line (No Execute)" },
      { "<leader>di", function() require("dap").step_into() end, desc = "Step Into" },
      { "<leader>dj", function() require("dap").down() end, desc = "Down" },
      { "<leader>dk", function() require("dap").up() end, desc = "Up" },
      { "<leader>dl", function() require("dap").run_last() end, desc = "Run Last" },
      { "<leader>do", function() require("dap").step_out() end, desc = "Step Out" },
      { "<leader>dO", function() require("dap").step_over() end, desc = "Step Over" },
      { "<leader>dp", function() require("dap").pause() end, desc = "Pause" },
      { "<leader>dr", function() require("dap").repl.toggle() end, desc = "Toggle REPL" },
      { "<leader>ds", function() require("dap").session() end, desc = "Session" },
      { "<leader>dt", function() require("dap").terminate() end, desc = "Terminate" },
      { "<leader>dw", function() require("dap.ui.widgets").hover() end, desc = "Widgets" },
    },
  },
  -- fancy UI for the debugger
  {
    "rcarriga/nvim-dap-ui",
    dependencies = { "nvim-neotest/nvim-nio" },
    -- stylua: ignore
    keys = {
      { "<leader>du", function() require("dapui").toggle({ }) end, desc = "Dap UI" },
      { "<leader>de", function() require("dapui").eval() end, desc = "Eval", mode = {"n", "v"} },
    },
    opts = {},
    config = function(_, opts)
      local dap = require("dap")
      local dapui = require("dapui")
      dapui.setup(opts)
      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,
  },
}