kickstart-modular.nvim/lua/kickstart/plugins/debug.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
    'mason-org/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'

    dap.adapters['rust-gdb'] = {
      type = 'executable',
      command = 'rust-gdb',
      args = { '--interpreter=dap', '--eval-command', 'set print pretty on' },
    }

    dap.configurations.rust = {
      {
        name = 'Launch',
        type = 'rust-gdb',
        request = 'launch',
        program = function()
          return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
        end,
        args = {}, -- provide arguments if needed
        cwd = '${workspaceFolder}',
        stopAtBeginningOfMainSubprogram = false,
      },
      {
        name = 'Select and attach to process',
        type = 'rust-gdb',
        request = 'attach',
        program = function()
          return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
        end,
        pid = function()
          local name = vim.fn.input 'Executable name (filter): '
          return require('dap.utils').pick_process { filter = name }
        end,
        cwd = '${workspaceFolder}',
      },
      {
        name = 'Attach to gdbserver :1234',
        type = 'rust-gdb',
        request = 'attach',
        target = 'localhost:1234',
        program = function()
          return vim.fn.input('Path to executable: ', vim.fn.getcwd() .. '/', 'file')
        end,
        cwd = '${workspaceFolder}',
      },
    }

    dap.configurations.cpp = {
      {
        name = 'Auto-Debug Project (codelldb)',
        type = 'codelldb',
        request = 'launch',
        program = function()
          -- 1. Get the current working directory
          local cwd = vim.fn.getcwd()

          -- 2. Extract the name of the root folder (e.g., "SakuraVNE")
          local project_name = vim.fn.fnamemodify(cwd, ':t')

          -- 3. Construct your specific build path
          local auto_path = cwd .. '/build/bin/Debug-Linux-x86_64/' .. project_name .. '/' .. project_name

          -- 4. Check if it actually exists. If it does, run it instantly!
          if vim.fn.filereadable(auto_path) == 1 then
            return auto_path
          end

          -- 5. Fallback: If it couldn't find it, pop open an input box so you can type it manually
          return vim.fn.input('Path to executable: ', cwd .. '/build/bin/Debug-Linux-x86_64/', 'file')
        end,
        cwd = '${workspaceFolder}',
        stopOnEntry = false,
        args = {}, -- Add command line arguments here if your engine ever needs them
      },
    }

    -- Tell C to use the exact same configuration as C++
    dap.configurations.c = dap.configurations.cpp

    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',
        'codelldb',
      },
    }

    -- 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,
}