kickstart.nvim/lua/rakshit/plugins/nvim-dap.lua

-- debug.lua
--
-- Shows how to use the DAP plugin to debug your code.
--
-- Primarily focused on configuring the debugger for Go, but can
-- be extended to other languages as well. That's why it's called
-- kickstart.nvim and not kitchen-sink.nvim ;)

return {
  -- NOTE: Yes, you can install new plugins here!
  "mfussenegger/nvim-dap",
  -- NOTE: And you can specify dependencies as well
  dependencies = {
    -- Creates a beautiful debugger UI
    "rcarriga/nvim-dap-ui",

    -- Required dependency for nvim-dap-ui
    "nvim-neotest/nvim-nio",

    -- Installs the debug adapters for you
    "williamboman/mason.nvim",
    "jay-babu/mason-nvim-dap.nvim",

    -- Add your own debuggers here
    "leoluz/nvim-dap-go",
  },
  keys = {
    -- Basic debugging keymaps, feel free to change to your liking!
    {
      "<F5>",
      function()
        require("dap").continue()
      end,
      desc = "Debug: Start/Continue",
    },
    {
      "<F1>",
      function()
        require("dap").step_into()
      end,
      desc = "Debug: Step Into",
    },
    {
      "<F2>",
      function()
        require("dap").step_over()
      end,
      desc = "Debug: Step Over",
    },
    {
      "<F3>",
      function()
        require("dap").step_out()
      end,
      desc = "Debug: Step Out",
    },
    {
      "<leader>b",
      function()
        require("dap").toggle_breakpoint()
      end,
      desc = "Debug: Toggle Breakpoint",
    },
    {
      "<leader>B",
      function()
        require("dap").set_breakpoint(vim.fn.input("Breakpoint condition: "))
      end,
      desc = "Debug: Set Breakpoint",
    },
    -- Toggle to see last session result. Without this, you can't see session output in case of unhandled exception.
    {
      "<F7>",
      function()
        require("dapui").toggle()
      end,
      desc = "Debug: See last session result.",
    },
  },
  config = function()
    local dap = require("dap")
    local dapui = require("dapui")

    require("mason-nvim-dap").setup({
      -- Makes a best effort to setup the various debuggers with
      -- reasonable debug configurations
      automatic_installation = true,

      -- You can provide additional configuration to the handlers,
      -- see mason-nvim-dap README for more information
      handlers = {},

      -- You'll need to check that you have the required things installed
      -- online, please don't ask me how to install them :)
      ensure_installed = {
        -- Update this to ensure that you have the debuggers for the langs you want
        "delve",
      },
    })

    -- Dap UI setup
    -- For more information, see |:help nvim-dap-ui|
    dapui.setup({
      -- Set icons to characters that are more likely to work in every terminal.
      --    Feel free to remove or use ones that you like more! :)
      --    Don't feel like these are good choices.
      icons = { expanded = "▾", collapsed = "▸", current_frame = "*" },
      controls = {
        icons = {
          pause = "⏸",
          play = "▶",
          step_into = "⏎",
          step_over = "⏭",
          step_out = "⏮",
          step_back = "b",
          run_last = "▶▶",
          terminate = "⏹",
          disconnect = "⏏",
        },
      },
    })

    -- Change breakpoint icons
    -- vim.api.nvim_set_hl(0, 'DapBreak', { fg = '#e51400' })
    -- vim.api.nvim_set_hl(0, 'DapStop', { fg = '#ffcc00' })
    -- local breakpoint_icons = vim.g.have_nerd_font
    --     and { Breakpoint = '', BreakpointCondition = '', BreakpointRejected = '', LogPoint = '', Stopped = '' }
    --   or { Breakpoint = '●', BreakpointCondition = '⊜', BreakpointRejected = '⊘', LogPoint = '◆', Stopped = '⭔' }
    -- for type, icon in pairs(breakpoint_icons) do
    --   local tp = 'Dap' .. type
    --   local hl = (type == 'Stopped') and 'DapStop' or 'DapBreak'
    --   vim.fn.sign_define(tp, { text = icon, texthl = hl, numhl = hl })
    -- end

    dap.listeners.after.event_initialized["dapui_config"] = dapui.open
    dap.listeners.before.event_terminated["dapui_config"] = dapui.close
    dap.listeners.before.event_exited["dapui_config"] = dapui.close

    -- Install golang specific config
    require("dap-go").setup({
      delve = {
        -- On Windows delve must be run attached or it crashes.
        -- See https://github.com/leoluz/nvim-dap-go/blob/main/README.md#configuring
        detached = vim.fn.has("win32") == 0,
      },
    })
  end,
}