feat(dap): fist naive implementaion

lua/gopher/_utils/init.lua

@@ -53,4 +53,12 @@ return {
  vim.notify(msg, l)
  end, 0)
  end,
+
+ ---safe require
+ ---@param name string module name
+ sreq = function(name)
+ local ok, m = pcall(require, name)
+ assert(ok, string.format("gopher.nvim dependency error: %s not installed", name))
+ return m
+ end,
 }

lua/gopher/dap/config.lua

@@ -0,0 +1,98 @@
+local function get_arguments()
+ local co = coroutine.running()
+ if co then
+ return coroutine.create(function()
+ local args = {}
+ vim.ui.input({ prompt = "Args: " }, function(input)
+ args = vim.split(input or "", " ")
+ end)
+ coroutine.resume(co, args)
+ end)
+ else
+ local args = {}
+ vim.ui.input({ prompt = "Args: " }, function(input)
+ args = vim.split(input or "", " ")
+ end)
+ return args
+ end
+end
+
+return {
+ adapter = function(callback, config)
+ local handle, pid_or_err
+ local stdout = vim.loop.new_pipe(false)
+ local host = config.host or "127.0.0.1"
+ local port = config.port or "38697"
+ local addr = string.format("%s:%s", host, port)
+ local opts = {
+ stdio = { nil, stdout },
+ args = { "dap", "-l", addr },
+ detached = true,
+ }
+
+ handle, pid_or_err = vim.loop.spawn("dlv", opts, function(code)
+ stdout:close()
+ handle:close()
+ if code ~= 0 then
+ print("dlv exited with code", code)
+ end
+ end)
+
+ assert(handle, "Error running dlv: " .. tostring(pid_or_err))
+ stdout:read_start(function(err, chunk)
+ assert(not err, err)
+ if chunk then
+ vim.schedule(function()
+ require("dap.repl").append(chunk)
+ end)
+ end
+ end)
+
+ -- Wait for delve to start
+ vim.defer_fn(function()
+ callback { type = "server", host = "127.0.0.1", port = port }
+ end, 100)
+ end,
+ configuration = {
+ {
+ type = "go",
+ name = "Debug",
+ request = "launch",
+ program = "${file}",
+ },
+ {
+ type = "go",
+ name = "Debug (Arguments)",
+ request = "launch",
+ program = "${file}",
+ args = get_arguments,
+ },
+ {
+ type = "go",
+ name = "Debug Package",
+ request = "launch",
+ program = "${fileDirname}",
+ },
+ {
+ type = "go",
+ name = "Attach",
+ mode = "local",
+ request = "attach",
+ processId = require("dap.utils").pick_process,
+ },
+ {
+ type = "go",
+ name = "Debug test",
+ request = "launch",
+ mode = "test",
+ program = "${file}",
+ },
+ {
+ type = "go",
+ name = "Debug test (go.mod)",
+ request = "launch",
+ mode = "test",
+ program = "./${relativeFileDirname}",
+ },
+ },
+}

lua/gopher/dap/init.lua

@@ -0,0 +1,12 @@
+local cfg = require "gopher.dap.config"
+local u = require "gopher._utils"
+local M = {}
+
+---setup nvim-dap for golang using
+function M.setup()
+ local dap = u.sreq "dap"
+ dap.adapters.go = cfg.adapter
+ dap.configurations.go = cfg.configuration
+end
+
+return M