From 77af1ea1165d678a0b3953c43eaf7ddfc262ef68 Mon Sep 17 00:00:00 2001
From: gxlin <iigxlin@gmail.com>
Date: Mon, 7 Jun 2021 19:54:10 +0800
Subject: Add lsp config for vim

---
 .emacs.d/init.el                |  1 +
 .emacs.d/modes/init-lsp-mode.el | 13 ++++++++++++
 .vim/init.vim                   |  1 +
 .vim/keybindings.vim            | 45 +++++++++++++++++++++++++++++++++++++++++
 .vim/plugins/leaderf.vim        |  2 +-
 .vim/plugins/lsp.vim            | 39 +++++++++++++++++++++++++++++++++++
 .vim/plugins/misc.vim           |  2 --
 .vim/plugins/vista.vim          |  9 +++++++++
 8 files changed, 109 insertions(+), 3 deletions(-)
 create mode 100644 .emacs.d/modes/init-lsp-mode.el
 create mode 100644 .vim/keybindings.vim
 create mode 100644 .vim/plugins/lsp.vim
 create mode 100644 .vim/plugins/vista.vim

diff --git a/.emacs.d/init.el b/.emacs.d/init.el
index 1d345b6..7d213be 100644
--- a/.emacs.d/init.el
+++ b/.emacs.d/init.el
@@ -36,6 +36,7 @@
 
 (require 'init-evil-mode)
 (require 'init-org-mode)
+(require 'init-lsp-mode)
 
 ;; ledger-mode
 (use-package ledger-mode
diff --git a/.emacs.d/modes/init-lsp-mode.el b/.emacs.d/modes/init-lsp-mode.el
new file mode 100644
index 0000000..b5c391a
--- /dev/null
+++ b/.emacs.d/modes/init-lsp-mode.el
@@ -0,0 +1,13 @@
+(use-package lsp-mode
+  :ensure t
+  :hook
+  ((go-mode . lsp-deferred)
+   (lsp-mode . lsp-enable-which-key-integration))
+  :commands (lsp lsp-deferred)
+  :config
+  (evil-define-key 'normal lsp-mode-map
+    (kbd "gd") 'lsp-find-definition
+    (kbd "gr") 'lsp-find-references)
+  (add-to-list 'lsp-file-watch-ignored-directories "[/\\\\]\\.git\\'")
+
+(provide 'init-lsp-mode)
diff --git a/.vim/init.vim b/.vim/init.vim
index 31ce971..7f2fbdc 100644
--- a/.vim/init.vim
+++ b/.vim/init.vim
@@ -105,6 +105,7 @@ nnoremap ]ww :wincmd j <CR>
 nnoremap <leader>cd :cd %:p:h<CR> :pwd<CR>
 
 source ~/.dotfiles/.vim/plugins/init.vim
+source ~/.dotfiles/.vim/keybindings.vim
 
 silent colorscheme onehalfdark
 
diff --git a/.vim/keybindings.vim b/.vim/keybindings.vim
new file mode 100644
index 0000000..7a68992
--- /dev/null
+++ b/.vim/keybindings.vim
@@ -0,0 +1,45 @@
+imap <C-b> <Left>
+imap <C-f> <Right>
+imap <C-n> <Down>
+imap <C-p> <Up>
+imap <C-a> <C-o>:call <SID>home()<CR>
+imap <C-e> <End>
+imap <C-d> <Del>
+imap <C-h> <BS>
+imap <C-k> <C-r>=<SID>kill_line()<CR>
+
+cmap <C-p> <Up>
+cmap <C-n> <Down>
+cmap <C-b> <Left>
+cmap <C-f> <Right>
+cmap <C-a> <Home>
+cmap <C-e> <End>
+cnoremap <C-d> <Del>
+cnoremap <C-h> <BS>
+cnoremap <C-k> <C-f>D<C-c><C-c>:<Up>
+
+function! s:home()
+  let start_col = col('.')
+  normal! ^
+  if col('.') == start_col
+    normal! 0
+  endif
+  return ''
+endfunction
+
+function! s:kill_line()
+  let [text_before_cursor, text_after_cursor] = s:split_line_text_at_cursor()
+  if len(text_after_cursor) == 0
+    normal! J
+  else
+    call setline(line('.'), text_before_cursor)
+  endif
+  return ''
+endfunction
+
+function! s:split_line_text_at_cursor()
+  let line_text = getline(line('.'))
+  let text_after_cursor  = line_text[col('.')-1 :]
+  let text_before_cursor = (col('.') > 1) ? line_text[: col('.')-2] : ''
+  return [text_before_cursor, text_after_cursor]
+endfunction
diff --git a/.vim/plugins/leaderf.vim b/.vim/plugins/leaderf.vim
index 584322a..116a994 100644
--- a/.vim/plugins/leaderf.vim
+++ b/.vim/plugins/leaderf.vim
@@ -19,4 +19,4 @@ xnoremap gf :<C-U><C-R>=printf("Leaderf! rg -F -e %s ", leaderf#Rg#visual())<CR>
 noremap go :<C-U>Leaderf! rg --recall<CR>
 
 let g:Lf_WorkingDirectoryMode = 'AF'
-let g:Lf_RootMarkers = ['.project', '.root', '.svn', '.git', '.hg']
+let g:Lf_RootMarkers = ['.project', '.root', '.svn', '.git', '.hg', '.projectile']
diff --git a/.vim/plugins/lsp.vim b/.vim/plugins/lsp.vim
new file mode 100644
index 0000000..1a5704b
--- /dev/null
+++ b/.vim/plugins/lsp.vim
@@ -0,0 +1,39 @@
+Plug 'prabirshrestha/vim-lsp'
+
+if executable('gopls')
+    au User lsp_setup call lsp#register_server({
+                \ 'name': 'gopls',
+                \ 'cmd': {server_info->['gopls']},
+                \ 'allowlist': ['go'],
+                \ })
+endif
+
+function! s:on_lsp_buffer_enabled() abort
+    setlocal omnifunc=lsp#complete
+    setlocal signcolumn=no
+    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
+    nmap <buffer> gd <plug>(lsp-definition)
+    nmap <buffer> gs <plug>(lsp-document-symbol-search)
+    nmap <buffer> gS <plug>(lsp-workspace-symbol-search)
+    nmap <buffer> gr <plug>(lsp-references)
+    nmap <buffer> gi <plug>(lsp-implementation)
+    nmap <buffer> gt <plug>(lsp-type-definition)
+    nmap <buffer> <leader>rn <plug>(lsp-rename)
+    nmap <buffer> [g <plug>(lsp-previous-diagnostic)
+    nmap <buffer> ]g <plug>(lsp-next-diagnostic)
+    nmap <buffer> K <plug>(lsp-hover)
+    inoremap <buffer> <expr><c-f> lsp#scroll(+4)
+    inoremap <buffer> <expr><c-d> lsp#scroll(-4)
+
+    let g:lsp_format_sync_timeout = 1000
+    autocmd! BufWritePre *.rs,*.go call execute('LspDocumentFormatSync')
+    
+    " refer to doc to add more commands
+endfunction
+
+augroup lsp_install
+    au!
+    " call s:on_lsp_buffer_enabled only for languages that has the server registered.
+    autocmd User lsp_buffer_enabled call s:on_lsp_buffer_enabled()
+augroup END
+
diff --git a/.vim/plugins/misc.vim b/.vim/plugins/misc.vim
index 5067f5a..f79b438 100644
--- a/.vim/plugins/misc.vim
+++ b/.vim/plugins/misc.vim
@@ -1,7 +1,5 @@
 Plug 'scrooloose/nerdtree', {'on': 'NERDTreeToggle'}
 
-map <C-n> :NERDTreeToggle<CR>
-
 Plug 'skywind3000/asyncrun.vim'
 
 let g:asyncrun_open = 6 " the number of lines of quickfix window
diff --git a/.vim/plugins/vista.vim b/.vim/plugins/vista.vim
new file mode 100644
index 0000000..02264b9
--- /dev/null
+++ b/.vim/plugins/vista.vim
@@ -0,0 +1,9 @@
+Plug 'liuchengxu/vista.vim'
+
+let g:vista_default_executive = 'ctags'
+
+let g:vista_executive_for = {
+            \ 'go': 'vim_lsp',
+            \ }
+
+nnoremap <leader>s :Vista<CR>
-- 
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