一、参考
Becoming an emacs gopher
Emacs Golang 开发环境配置指南
Stop debugging Go with Println and use Delve instead
Delve 调试器
二、装置 golang 包
2.1 goimports
Command goimports updates your Go import lines, adding missing ones and removing unreferenced ones.
对于代码中引入的第三方模块，自动更新
goimports命令能主动格式化代码，主动增加、移除 imports，而且与Emacs 集成良好。能够代替官网 gofmt 命令。
GO111MODULE=on go get -u golang.org/x/tools/cmd/goimports2.2 godef
Godef, given an expression or a location in a source file, prints the location of the definition of the symbol referred to.
对于代码中的函数援用，能够查看原始定义地位 godef 命令能在 Go 源码变量、函数定义间跳转，是查看变量、函数、文件定义的好助手
GO111MODULE=on go get -u github.com/rogpeppe/godef2.3 gocode
An autocompletion daemon for the Go programming language
主动补全代码 gocode 命令能为代码主动补全提供后盾反对，是 Emacs 下Go代码补全必不可少的backend。
GO111MODULE=on go get -u github.com/nsf/gocode三、装置 emacs 包
| 包名 | 形容 | 其余 |
|---|---|---|
| auto-Complete | An Intelligent auto-completion extension for Emacs | https://github.com/auto-compl… |
| go-mode | Emacs mode for the Go programming language | https://github.com/dominikh/g… |
| go-complete | Native Go completion for Emacs | https://github.com/vibhavp/go… |
| go-autocomplete | auto-complete-mode backend for go-mode | https://melpa.org/#/go-autoco… |
| autopair | Automagically pair braces and quotes in emacs like TextMate | https://github.com/joaotavora… |
;; Init the auto complete modules
(ac-config-default)
(global-auto-complete-mode t)
(require 'go-autocomplete)
;; Enable auto-complete
(auto-complete-mode 1)
;; Define keymaps
(define-key ac-mode-map (kbd "M-TAB") 'auto-complete)
(global-set-key (kbd"C-c C-c") 'godef-jump)
;; Set some quick config vals
(setq ac-auto-start 1)
(setq ac-auto-show-menu 0.8)
;; Just to make sure go tools are enabled
(add-to-list 'exec-path"~/go/bin")
;; Automatically format code on save
(setq gofmt-command "goimports")
(add-hook 'before-save-hook'gofmt-before-save)
(add-hook 'go-mode-hook'auto-complete-for-go)四、go-mode 的命令
4.1 imports 区域
(1) go-goto-imports, 跳转到 imports 区域
(2) go-import-add, 增加新的import aaa
(3) go-remove-unused-imports, 删除不再应用的包
4.2 godef
(1) go-jump，跳转到表达式的定义
(2) godef-jump-other-window，新建窗口，并跳转到表达式定义
4.3 function
(1) go-goto-arguments, 跳转到函数的参数
(2) go-goto-docstring 跳转到函数的阐明文档，如果没有阐明文档，会创立
(3) go-goto-function, 跳转到函数 func 关键字，个别用于在函数文档中，跳转到函数代码
(4) go-goto-function-name, 跳转到函数名称处
(5) go-goto-return-values, 跳转到函数定义中的返回值处
(6) go-goto-method-receiver, 跳转到函数的调用者处
4.4 其余
(1) pop-tag-mark，回退到前一个光标地位
(2) beginning-of-defun, 跳转到函数的初始地位(适宜函数之间的跳转）
(3) end-of-defun, 跳转到函数的完结地位
五、快捷键绑定
5.1 函数跳转和回退
;; Godef jump key binding
(global-set-key (kbd "M-,") 'godef-jump)
(global-set-key (kbd "M-.") 'pop-tag-mark)5.2 代码块的跳转
C-M-a 跳转到上一个函数
C-M-e 跳转到下一个函数
5.3 代码正文
M-;能够实现多行正文与解正文
六、debug
6.1 装置
GO111MODULE=on go get -u github.com/go-delve/delve/cmd/dlv
➜ ~ dlv version
Delve Debugger
Version: 1.6.0
Build: $Id: 8cc9751909843dd55a46e8ea2a561544f70db34d $