From acddd6d68823098ed91c9f32147c796b5f54d85e Mon Sep 17 00:00:00 2001
From: Wang Shidong <wsdjeg@outlook.com>
Date: Tue, 18 Feb 2020 12:40:23 +0800
Subject: [PATCH] Add tags support for zig lang (#3357)

---
 autoload/SpaceVim/layers/lang/zig.vim | 38 +++++++++++++++++++++++++++
 docs/cn/layers/lang/zig.md            |  5 ++++
 docs/layers/lang/zig.md               |  5 ++++
 3 files changed, 48 insertions(+)

diff --git a/autoload/SpaceVim/layers/lang/zig.vim b/autoload/SpaceVim/layers/lang/zig.vim
index 95417a856..1384ae930 100644
--- a/autoload/SpaceVim/layers/lang/zig.vim
+++ b/autoload/SpaceVim/layers/lang/zig.vim
@@ -6,6 +6,11 @@
 " License: GPLv3
 "=============================================================================
 
+if exists('s:ztagsbin')
+  finish
+endif
+let s:ztagsbin = 'ztags'
+
 function! SpaceVim#layers#lang#zig#plugins() abort
   let plugins = []
   call add(plugins, ['ziglang/zig.vim', { 'merged' : 0}])
@@ -15,8 +20,41 @@ endfunction
 function! SpaceVim#layers#lang#zig#config() abort
   call SpaceVim#plugins#runner#reg_runner('zig', 'zig run %s')
   call SpaceVim#mapping#space#regesit_lang_mappings('zig', function('s:language_specified_mappings'))
+  if executable(s:ztagsbin) && !exists('g:tagbar_type_zig')
+    let g:tagbar_type_zig = {
+          \ 'ctagstype' : 'zig',
+          \ 'kinds'     : [
+          \ 's:structs',
+          \ 'u:unions',
+          \ 'e:enums',
+          \ 'v:variables',
+          \ 'm:members',
+          \ 'f:functions',
+          \ 'r:errors'
+          \ ],
+          \ 'sro' : '.',
+          \ 'kind2scope' : {
+          \ 'e' : 'enum',
+          \ 'u' : 'union',
+          \ 's' : 'struct',
+          \ 'r' : 'error'
+          \ },
+          \ 'scope2kind' : {
+          \ 'enum' : 'e',
+          \ 'union' : 'u',
+          \ 'struct' : 's',
+          \ 'error' : 'r'
+          \ },
+          \ 'ctagsbin'  : s:ztagsbin,
+          \ 'ctagsargs' : ''
+          \ }
+  endif
 endfunction
 
 function! s:language_specified_mappings() abort
   call SpaceVim#mapping#space#langSPC('nmap', ['l','r'], 'call SpaceVim#plugins#runner#open()', 'execute current file', 1)
 endfunction
+
+function! SpaceVim#layers#lang#zig#set_variable(opt) abort
+  let s:ztagsbin = get(a:opt, 'ztagsbin', s:ztagsbin) 
+endfunction
diff --git a/docs/cn/layers/lang/zig.md b/docs/cn/layers/lang/zig.md
index 23bec3f5a..eaa16e4fa 100644
--- a/docs/cn/layers/lang/zig.md
+++ b/docs/cn/layers/lang/zig.md
@@ -10,6 +10,7 @@ lang: zh
 
 - [模块简介](#模块简介)
 - [启用模块](#启用模块)
+- [模块选项](#模块选项)
 - [快捷键](#快捷键)
   - [运行当前脚本](#运行当前脚本)
 
@@ -28,6 +29,10 @@ lang: zh
   name = "lang#zig"
 ```
 
+## 模块选项
+
+- `ztagsbin`:制定 ztags 命令的路径。
+
 ## 快捷键
 
 ### 运行当前脚本
diff --git a/docs/layers/lang/zig.md b/docs/layers/lang/zig.md
index a4fb3f424..34852e9b3 100644
--- a/docs/layers/lang/zig.md
+++ b/docs/layers/lang/zig.md
@@ -9,6 +9,7 @@ description: "This layer is for zig development, provide code runner support for
 
 - [Description](#description)
 - [Install](#install)
+- [Options](#options)
 - [Key bindings](#key-bindings)
   - [Running current script](#running-current-script)
 
@@ -27,6 +28,10 @@ To use this configuration layer, update custom configuration file with:
   name = "lang#zig"
 ```
 
+## Options
+
+- `ztagsbin`: specific the path of ztags.
+
 ## Key bindings
 
 ### Running current script