switch to nvim-lsp

.vimrc

@@ -51,6 +51,8 @@ set splitbelow
 " bash).
 "set completeopt=menu,menuone,longest
 set completeopt=noinsert,menuone,noselect,longest
+set signcolumn=yes
+set shortmess+=c
 
 set diffopt+=vertical
 " Some stuff for 256-Color consoles that I've forgotten.
@@ -195,7 +197,11 @@ Plug 'zchee/vim-goasm'
     "\ 'do': 'bash install.sh',
     "\ }
 "Plug 'ensime/ensime-vim', { 'do': ':UpdateRemotePlugins' }
-Plug 'neoclide/coc.nvim', {'branch': 'release'}
+"Plug 'neoclide/coc.nvim', {'branch': 'release'}
+Plug 'neovim/nvim-lspconfig'
+Plug 'nvim-lua/lsp_extensions.nvim'
+Plug 'nvim-lua/completion-nvim'
+Plug 'onsails/lspkind-nvim'
 
 " Plugins that do specific things
 Plug 'Shougo/vimproc.vim'
@@ -217,42 +223,151 @@ Plug 'barakmich/vim-code-dark'
 
 call plug#end()
 
+filetype plugin indent on
+syntax enable
+
 " enable ncm2 for all buffers
 "autocmd BufEnter * call ncm2#enable_for_buffer()
 
-nmap <silent> gd <Plug>(coc-definition)
-nmap <silent> gy <Plug>(coc-type-definition)
-nmap <silent> gi <Plug>(coc-implementation)
-nmap <silent> gr <Plug>(coc-references)
-imap <Leader>, <Plug>(coc-snippets-expand)
-imap <Leader>ff <Plug>(coc-fix-current)
-nmap <Leader>ff <Plug>(coc-fix-current)
 
-" Use K to show documentation in preview window
+" **** CoC bindings
-nnoremap <silent> K :call <SID>show_documentation()<CR>
+"nmap <silent> gd <Plug>(coc-definition)
+"nmap <silent> gy <Plug>(coc-type-definition)
+"nmap <silent> gi <Plug>(coc-implementation)
+"nmap <silent> gr <Plug>(coc-references)
+"imap <Leader>l <Plug>(coc-codeaction)
+"imap <Leader>, <Plug>(coc-snippets-expand)
+"imap <Leader>ff <Plug>(coc-fix-current)
+"nmap <Leader>ff <Plug>(coc-fix-current)
+"" Use `[g` and `]g` to navigate diagnostics
+"" Use `:CocDiagnostics` to get all diagnostics of current buffer in location list.
+"nmap <silent> [g <Plug>(coc-diagnostic-prev)
+"nmap <silent> ]g <Plug>(coc-diagnostic-next)
 
-function! s:show_documentation()
+"" Use K to show documentation in preview window
-  if (index(['vim','help'], &filetype) >= 0)
+"nnoremap <silent> K :call <SID>show_documentation()<CR>
-    execute 'h '.expand('<cword>')
+
-  else
+"function! s:show_documentation()
-    call CocAction('doHover')
+  "if (index(['vim','help'], &filetype) >= 0)
-  endif
+    "execute 'h '.expand('<cword>')
-endfunction
+  "else
+    "call CocAction('doHover')
+  "endif
+"endfunction
 
-"NeoBundle 'eclim'
-"https://git.wincent.com/command-t.git
-filetype plugin indent on    " required
-syntax enable
 
-"filetype plugin indent on
 " If you prefer the Omni-Completion tip window to close when a selection is
 " made, these lines close it on movement in insert mode or when leaving
 " insert mode
 "autocmd CursorMovedI * if pumvisible() == 0|pclose|endif
 "autocmd InsertLeave * if pumvisible() == 0|pclose|endif
-inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm() : "\<C-g>u\<CR>"
+" inoremap <silent><expr> <cr> pumvisible() ? coc#_select_confirm() : "\<C-g>u\<CR>"
 
-" Sources
+" **** End CoC
+
+" **** Configure LSP
+lua <<EOF
+
+-- nvim_lsp object
+local nvim_lsp = require'lspconfig'
+
+-- function to attach completion when setting up lsp
+local on_attach = function(client)
+    require'completion'.on_attach(client)
+end
+
+-- Enable rust_analyzer
+nvim_lsp.rust_analyzer.setup({ on_attach=on_attach })
+
+-- Enable diagnostics
+vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
+  vim.lsp.diagnostic.on_publish_diagnostics, {
+    virtual_text = false,
+    signs = true,
+    update_in_insert = false,
+  }
+)
+
+require('lspkind').init({
+    -- enables text annotations
+    --
+    -- default: true
+    with_text = false,
+
+    -- default symbol map
+    -- can be either 'default' or
+    -- 'codicons' for codicon preset (requires vscode-codicons font installed)
+    --
+    -- default: 'default'
+    preset = 'default',
+
+    -- override preset symbols
+    --
+    -- default: {}
+    symbol_map = {
+      Method = 'm',
+      Function = 'f',
+      Text = 'txt',
+      Constructor = 'new',
+      Variable = 'var',
+      Class = 'cls',
+      Interface = 'iface',
+      Module = 'mod',
+      Property = 'prop',
+      Unit = 'unit',
+      Value = 'val',
+      Enum = 'enum',
+      Keyword = 'kw',
+      Snippet = 'sn',
+      Color = 'color',
+      File = 'file',
+      Folder = 'fold',
+      EnumMember = 'enum',
+      Constant = 'const',
+      Struct = 'struct',
+    },
+})
+
+EOF
+
+" Use <Tab> and <S-Tab> to navigate through popup menu
+inoremap <expr> <Tab>   pumvisible() ? "\<C-n>" : "\<Tab>"
+inoremap <expr> <S-Tab> pumvisible() ? "\<C-p>" : "\<S-Tab>"
+
+" use <Tab> as trigger keys
+imap <Tab> <Plug>(completion_smart_tab)
+imap <S-Tab> <Plug>(completion_smart_s_tab)
+
+" Code navigation shortcuts
+nnoremap <silent> gd <cmd>lua vim.lsp.buf.definition()<CR>
+nnoremap <silent> gi    <cmd>lua vim.lsp.buf.implementation()<CR>
+nnoremap <silent> gy   <cmd>lua vim.lsp.buf.type_definition()<CR>
+nnoremap <silent> K     <cmd>lua vim.lsp.buf.hover()<CR>
+nnoremap <silent> gK <cmd>lua vim.lsp.buf.signature_help()<CR>
+nnoremap <silent> gr    <cmd>lua vim.lsp.buf.references()<CR>
+nnoremap <silent> g0    <cmd>lua vim.lsp.buf.document_symbol()<CR>
+nnoremap <silent> gW    <cmd>lua vim.lsp.buf.workspace_symbol()<CR>
+"nnoremap <silent> gd    <cmd>lua vim.lsp.buf.declaration()<CR>
+nnoremap <silent> ga    <cmd>lua vim.lsp.buf.code_action()<CR>
+nnoremap <silent> ge    <cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>
+
+" Set updatetime for CursorHold
+" 300ms of no cursor movement to trigger CursorHold
+set updatetime=500
+" Show diagnostic popup on cursor hold
+autocmd CursorHold * lua vim.lsp.diagnostic.show_line_diagnostics()
+
+" Goto previous/next diagnostic warning/error
+nnoremap <silent> g[ <cmd>lua vim.lsp.diagnostic.goto_prev()<CR>
+nnoremap <silent> g] <cmd>lua vim.lsp.diagnostic.goto_next()<CR>
+
+let g:completion_matching_strategy_list = ['exact', 'substring', 'fuzzy', 'all']
+let g:completion_matching_smart_case = 1
+
+
+" **** End LSP
+
+"" Sources
 "source ~/.vim/supertab.vim
 "source ~/.vim/charm.vim
 "source ~/.vim/plugin/AppleT.vim
@@ -386,11 +501,12 @@ let g:NERDTreeMarkBookmarks = 0
 let g:NERDTreeMinimalUI = 1
 
 " * Signify
-let g:signify_realtime = 0
+let g:signify_realtime = 1
 let g:signify_vcs_list = ['git']
 let g:signify_sign_change = '~'
 let g:signify_sign_changedelete = g:signify_sign_change
 let g:signify_sign_show_count = 0
+let g:signify_priority = 5
 
 " * VimFiler
 let g:vimfiler_tree_indentation = 2
@@ -745,7 +861,7 @@ nmap gb :TagbarToggle<CR>
 " gK is similar.
 nnoremap gc :Kwbd<CR>
 "nnoremap gc :bdelete<CR>
-nnoremap gK :bdelete!<CR>
+"nnoremap gK :bdelete!<CR>
 
 " I use gn/gp to cycle through open tabs/buffers
 nnoremap gn :bn<CR>