From 98fa2f083062c4f85b0b2f2057b30e76e9b8e309 Mon Sep 17 00:00:00 2001
From: "Juan J. Martinez" <jjm@usebox.net>
Date: Mon, 6 Dec 2021 14:15:59 +0000
Subject: Use CMP

---
 cmp.vim    | 36 ++++++++++++++++++++++++++++++++++++
 init.vim   |  6 +++++-
 metals.vim |  3 ---
 vimrc      | 30 +++++++++++++++++++++++-------
 4 files changed, 64 insertions(+), 11 deletions(-)
 create mode 100644 cmp.vim

diff --git a/cmp.vim b/cmp.vim
new file mode 100644
index 0000000..e720e65
--- /dev/null
+++ b/cmp.vim
@@ -0,0 +1,36 @@
+lua <<EOF
+  -- Setup nvim-cmp.
+  local cmp = require'cmp'
+
+  cmp.setup({
+    snippet = {
+      expand = function(args)
+        vim.fn["vsnip#anonymous"](args.body)
+      end,
+    },
+    mapping = {
+      ['<CR>'] = cmp.mapping.confirm({ select = true }),
+    },
+    sources = cmp.config.sources({
+      { name = 'nvim_lsp' },
+      { name = 'vsnip' },
+    })
+  })
+
+  -- Use buffer source for `/` (if you enabled `native_menu`, this won't work anymore).
+  cmp.setup.cmdline('/', {
+    sources = {
+      { name = 'buffer' }
+    }
+  })
+
+  -- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+  cmp.setup.cmdline(':', {
+    sources = cmp.config.sources({
+      { name = 'path' }
+    }, {
+      { name = 'cmdline' }
+    })
+  })
+EOF
+
diff --git a/init.vim b/init.vim
index 69eee22..480385f 100644
--- a/init.vim
+++ b/init.vim
@@ -7,6 +7,10 @@ source ~/.vimrc
 "
 " general
 source ~/.vim/lsc.vim
-"
+
 " scala and metals
 source ~/.vim/metals.vim
+
+" auto-complete
+source ~/.vim/cmp.vim
+
diff --git a/metals.vim b/metals.vim
index 69590d0..f741203 100644
--- a/metals.vim
+++ b/metals.vim
@@ -51,6 +51,3 @@ endif
 "
 autocmd FileType scala setlocal omnifunc=v:lua.vim.lsp.omnifunc
 
-" Set completeopt to have a better completion experience
-set completeopt=menuone,noinsert,noselect
-
diff --git a/vimrc b/vimrc
index 3d198fc..6df528f 100644
--- a/vimrc
+++ b/vimrc
@@ -66,15 +66,23 @@ Plug 'neovimhaskell/haskell-vim'
 
 " nvim 0.5.0 or later
 if has('nvim-0.5')
+    " general lua
     Plug 'nvim-lua/popup.nvim'
     Plug 'nvim-lua/plenary.nvim'
+    " scala
     Plug 'scalameta/nvim-metals'
     Plug 'nvim-telescope/telescope.nvim'
+    " auto complete
+    Plug 'hrsh7th/nvim-cmp'
+    Plug 'hrsh7th/cmp-nvim-lsp'
+    Plug 'hrsh7th/cmp-vsnip'
+    Plug 'hrsh7th/vim-vsnip'
 end
 
 call plug#end()
 
 " crystaline conf
+"
 
 " metals status
 function! MetalsStatus() abort
@@ -116,7 +124,8 @@ let g:crystalline_theme = 'gruvbox'
 
 set laststatus=2
 
-"" vim-autoformat (C-F5)
+" vim-autoformat (C-F5)
+"
 noremap <F29> :Autoformat<CR>
 au BufWrite *.py,*.c,*.h,*.cpp,*.hs :Autoformat
 
@@ -153,11 +162,13 @@ set updatetime=500
 set autoread
 au BufEnter,CursorHold,CursorHoldI * silent! checktime
 
-" make easier to open NERDTree
+" NERDTree
+"
 map <leader>n :NERDTreeToggle<CR>
 let NERDTreeQuitOnOpen=1
 
-" make easier to use telescope
+" Telescope
+"
 nnoremap <leader>f <cmd>Telescope find_files<CR>
 nnoremap <leader>fb <cmd>Telescope buffers<CR>
 
@@ -166,11 +177,13 @@ nnoremap <leader>fb <cmd>Telescope buffers<CR>
 let g:loaded_gentags#ctags = 1
 
 " vimwiki
+"
 let g:vimwiki_list = [{'path': '~/textfiles/',
                       \ 'syntax': 'markdown', 'ext': '.md'}]
 let g:vimwiki_global_ext = 0
 
 " vim-markdown
+"
 let g:vim_markdown_folding_disabled = 1
 let g:vim_markdown_frontmatter = 1
 let g:vim_markdown_conceal_code_blocks = 0
@@ -179,6 +192,11 @@ autocmd FileType markdown setlocal conceallevel=2
 " LSC conf
 "
 let g:lsc_auto_map = {'defaults': v:true, 'FindImplementations': ''}
+let g:lsc_preview_split_direction = "below"
+
+" haskell syntax
+"
+let g:haskell_classic_highlighting = 1
 
 " Required for operations modifying multiple buffers like rename.
 set hidden
@@ -189,8 +207,6 @@ set shortmess+=c
 " for lsc erros
 set shortmess-=F
 
-let g:lsc_preview_split_direction = "below"
-
 " disable preview when doing auto-complete
 set completeopt-=preview
 
@@ -198,6 +214,6 @@ set completeopt-=preview
 highlight link lscDiagnosticError GruvboxRedSign
 highlight link lscDiagnosticWarning GruvboxYellowSign
 
-" haskell syntax
-let g:haskell_classic_highlighting = 1
+" Set completeopt to have a better completion experience
+set completeopt=menuone,noinsert,noselect
 
-- 
cgit v1.2.3