nix.nvim/nvim/plugin/dap.lua

if vim.g.did_load_dap_plugin then
  return
end
vim.g.did_load_dap_plugin = true

local dap, dapui = require("dap"), require("dapui")

-- UI hooks

dap.listeners.before.attach.dapui_config = function()
  dapui.open()
end
dap.listeners.before.launch.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('which-key').add({
  { "<F5>", function() require("dap").continue() end, desc = "debugger: Start" },
  { "<F6>", function() require("dap").pause() end, desc = "debugger: pause" },
  { "<F9>", function() require("dap").toggle_breakpoint() end, desc = "debugger: toggle breakpoint" },
  { "<F10>", function() require("dap").step_over() end, desc = "debugger: step over" },
  { "<F11>", function() require("dap").step_into() end, desc = "debugger: step into" },
  { "<F17>", function() require("dap").terminate() end, desc = "debugger: Stop" }, -- Shift+F
  { "<F23>", function() require("dap").step_out() end, desc = "debugger: step out" }, -- Shift+F11
  { "<F21>", -- Shift+F9
    function()
      vim.ui.input({ prompt = "Condition: " }, function(condition)
        if condition then require("dap").set_breakpoint(condition) end
      end)
    end,
    desc = "debugger: Conditional Breakpoint" },
  { "<F29>", function() require("dap").restart_frame() end, desc = "debugger: restart" }, -- Control+F5
  { "<leader>d", group = "[d]ebug", icon="" },
  { "<leader>db", function() require("dap").toggle_breakpoint() end, desc = "[d]ebugger: toggle [b]reakpoint (F9)" },
  { "<leader>dB", function() require("dap").clear_breakpoints() end, desc = "[d]ebugger: clear [B]reakpoints" },
  { "<leader>dc", function() require("dap").continue() end, desc = "[d]ebugger: start/[c]ontinue (F5)" },
  { "<leader>dC",
    function()
      vim.ui.input({ prompt = "Condition: " }, function(condition)
        if condition then require("dap").set_breakpoint(condition) end
      end)
    end,
    desc = "[d]ebugger: [C]onditional breakpoint (S-F9)" },
  { "<leader>di", function() require("dap").step_into() end, desc = "[d]ebugger: step [i]nto (F11)" },
  { "<leader>do", function() require("dap").step_over() end, desc = "[d]ebugger: step [o]ver (F10)" },
  { "<leader>dO", function() require("dap").step_out() end, desc = "[d]ebugger: step [O]ut (S-F11)" },
  { "<leader>dq", function() require("dap").close() end, desc = "[d]ebugger: [q]uit" },
  { "<leader>dQ", function() require("dap").terminate() end, desc = "[d]ebugger: force [Q]uit(S-F5)" },
  { "<leader>dp", function() require("dap").pause() end, desc = "[d]ebugger: [p]ause (F6)" },
  { "<leader>dr", function() require("dap").restart_frame() end, desc = "[d]ebugger: [r]estart (C-F5)" },
  { "<leader>dR", function() require("dap").repl.toggle() end, desc = "[d]ebugger: toggle [R]EPL" },
  { "<leader>ds", function() require("dap").run_to_cursor() end, desc = "[d]ebugger: run to cur[s]or" },
  { "<leader>dE",
    function()
      vim.ui.input({ prompt = "Expression: " }, function(expr)
        if expr then require("dapui").eval(expr, { enter = true }) end
      end)
    end,
    desc = "[d]ebugger: [E]valuate input",
  },

  -- DapUI
  { "<leader>du", function() require("dapui").toggle() end, desc = "[d]ebugger: toggle [u]i" },
  { "<leader>dh", function() require("dap.ui.widgets").hover() end, desc = "[d]ebugger: [h]over" },
  { mode = "v", "<leader>dE", function() require("dapui").eval() end, desc = "[d]ebugger: [E]valuate input" },
})

vim.fn.sign_define('DapBreakpoint', { text="", texthl="white" })
vim.fn.sign_define('DapBreakpointCondition', { text='', texthl="white" })
vim.fn.sign_define('DapBreakpointRejected', { text='', texthl="bright_red" })
vim.fn.sign_define('DapLogPoint', { text='󰛿', texthl="white" })
vim.fn.sign_define('DapStopped', { text='󰁕', texthl="orange" })