LSP stuff

after/plugin/airline.vim

@@ -7,3 +7,12 @@ let g:airline_symbols.branch = ''
 let g:airline_symbols.readonly = ''
 let g:airline_symbols.linenr = ''
 let g:airline_section_z = ''
+
+function! LspStatus() abort
+  let status = luaeval('require("lsp-status").status()')
+  return trim(status)
+endfunction
+call airline#parts#define_function('lsp_status', 'LspStatus')
+call airline#parts#define_condition('lsp_status', 'luaeval("#vim.lsp.buf_get_clients() > 0")')
+let g:airline#extensions#nvimlsp#enabled = 0
+let g:airline_section_warning = airline#section#create_right(['lsp_status'])

init.vim

@@ -52,8 +52,9 @@ set suffixes+=.pdf
 set wildmenu
 set hidden
 
-" set completeopt=menu,noinsert,preview
+"set completeopt=menu,noinsert,preview
-set completeopt=menuone,noinsert,noselect
+"set completeopt=menuone,noinsert,noselect
+set completeopt=menu,menuone,noselect
 set shortmess+=c
 inoremap <expr> <CR>    pumvisible() ? "\<C-y>" : "\<C-g>u\<CR>"
 
@@ -177,7 +178,6 @@ let g:localvimrc_sandbox=0
 
 lua require("my-lsp")
 lua require("lsputils")
-"lua require("conf.compe")
 lua require("conf.cmp")
 lua require("conf.trouble")
 " vi:foldmethod=marker sw=2

lua/conf/cmp.lua

@@ -13,12 +13,19 @@ cmp.setup({
       behavior = cmp.ConfirmBehavior.Replace,
       select = true,
     }),
-    ['<Tab>'] = cmp.mapping(cmp.mapping.select_next_item(), { 'i', 's' })
+    ['<Tab>'] = function(fallback)
+      if cmp.visible() then
+        cmp.select_next_item()
+      else
+        fallback()
+      end
+    end
   },
   sources = {
     { name = 'nvim_lsp' },
-    { name = 'buffer' },
+    --{ name = 'buffer' },
-    { name = 'path' },
+    { name = 'vsnip' },
+    --{ name = 'path' },
   }
 })
 local capabilities = vim.lsp.protocol.make_client_capabilities()

lua/conf/compe.lua

@@ -1,72 +0,0 @@
-require'compe'.setup {
-  enabled = true;
-  autocomplete = true;
-  debug = false;
-  min_length = 1;
-  preselect = 'enable';
-  throttle_time = 80;
-  source_timeout = 200;
-  resolve_timeout = 800;
-  incomplete_delay = 400;
-  max_abbr_width = 100;
-  max_kind_width = 100;
-  max_menu_width = 100;
-  documentation = {
-    border = { '', '' ,'', ' ', '', '', '', ' ' }, -- the border option is the same as `|help nvim_open_win|`
-    winhighlight = "NormalFloat:CompeDocumentation,FloatBorder:CompeDocumentationBorder",
-    max_width = 120,
-    min_width = 60,
-    max_height = math.floor(vim.o.lines * 0.3),
-    min_height = 1,
-  };
-
-  source = {
-    path = true;
-    buffer = true;
-    calc = true;
-    nvim_lsp = true;
-    nvim_lua = true;
-    vsnip = true;
-    ultisnips = true;
-    luasnip = true;
-  };
-}
-
-local t = function(str)
-  return vim.api.nvim_replace_termcodes(str, true, true, true)
-end
-
-local check_back_space = function()
-    local col = vim.fn.col('.') - 1
-    return col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') ~= nil
-end
-
--- Use (s-)tab to:
---- move to prev/next item in completion menuone
---- jump to prev/next snippet's placeholder
-_G.tab_complete = function()
-  if vim.fn.pumvisible() == 1 then
-    return t "<C-n>"
-  elseif vim.fn['vsnip#available'](1) == 1 then
-    return t "<Plug>(vsnip-expand-or-jump)"
-  elseif check_back_space() then
-    return t "<Tab>"
-  else
-    return vim.fn['compe#complete']()
-  end
-end
-_G.s_tab_complete = function()
-  if vim.fn.pumvisible() == 1 then
-    return t "<C-p>"
-  elseif vim.fn['vsnip#jumpable'](-1) == 1 then
-    return t "<Plug>(vsnip-jump-prev)"
-  else
-    -- If <S-Tab> is not working in your terminal, change it to <C-h>
-    return t "<S-Tab>"
-  end
-end
-
-vim.api.nvim_set_keymap("i", "<Tab>", "v:lua.tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("s", "<Tab>", "v:lua.tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("i", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})
-vim.api.nvim_set_keymap("s", "<S-Tab>", "v:lua.s_tab_complete()", {expr = true})

lua/lsputils.lua

@@ -1,8 +1,44 @@
-vim.lsp.handlers['textDocument/codeAction'] = require'lsputil.codeAction'.code_action_handler
+if vim.fn.has('nvim-0.5.1') == 1 then
-vim.lsp.handlers['textDocument/references'] = require'lsputil.locations'.references_handler
+    vim.lsp.handlers['textDocument/codeAction'] = require'lsputil.codeAction'.code_action_handler
-vim.lsp.handlers['textDocument/definition'] = require'lsputil.locations'.definition_handler
+    vim.lsp.handlers['textDocument/references'] = require'lsputil.locations'.references_handler
-vim.lsp.handlers['textDocument/declaration'] = require'lsputil.locations'.declaration_handler
+    vim.lsp.handlers['textDocument/definition'] = require'lsputil.locations'.definition_handler
-vim.lsp.handlers['textDocument/typeDefinition'] = require'lsputil.locations'.typeDefinition_handler
+    vim.lsp.handlers['textDocument/declaration'] = require'lsputil.locations'.declaration_handler
-vim.lsp.handlers['textDocument/implementation'] = require'lsputil.locations'.implementation_handler
+    vim.lsp.handlers['textDocument/typeDefinition'] = require'lsputil.locations'.typeDefinition_handler
-vim.lsp.handlers['textDocument/documentSymbol'] = require'lsputil.symbols'.document_handler
+    vim.lsp.handlers['textDocument/implementation'] = require'lsputil.locations'.implementation_handler
-vim.lsp.handlers['workspace/symbol'] = require'lsputil.symbols'.workspace_handler
+    vim.lsp.handlers['textDocument/documentSymbol'] = require'lsputil.symbols'.document_handler
+    vim.lsp.handlers['workspace/symbol'] = require'lsputil.symbols'.workspace_handler
+else
+    local bufnr = vim.api.nvim_buf_get_number(0)
+
+    vim.lsp.handlers['textDocument/codeAction'] = function(_, _, actions)
+        require('lsputil.codeAction').code_action_handler(nil, actions, nil, nil, nil)
+    end
+
+    vim.lsp.handlers['textDocument/references'] = function(_, _, result)
+        require('lsputil.locations').references_handler(nil, result, { bufnr = bufnr }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/definition'] = function(_, method, result)
+        require('lsputil.locations').definition_handler(nil, result, { bufnr = bufnr, method = method }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/declaration'] = function(_, method, result)
+        require('lsputil.locations').declaration_handler(nil, result, { bufnr = bufnr, method = method }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/typeDefinition'] = function(_, method, result)
+        require('lsputil.locations').typeDefinition_handler(nil, result, { bufnr = bufnr, method = method }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/implementation'] = function(_, method, result)
+        require('lsputil.locations').implementation_handler(nil, result, { bufnr = bufnr, method = method }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/documentSymbol'] = function(_, _, result, _, bufn)
+        require('lsputil.symbols').document_handler(nil, result, { bufnr = bufn }, nil)
+    end
+
+    vim.lsp.handlers['textDocument/symbol'] = function(_, _, result, _, bufn)
+        require('lsputil.symbols').workspace_handler(nil, result, { bufnr = bufn }, nil)
+    end
+  end

lua/my-lsp.lua

@@ -1,5 +1,6 @@
-local lspconfig = require('lspconfig')
+local lsp_status = require('lsp-status')
-local configs = require('lspconfig.configs')
+
+lsp_status.register_progress()
 
 -- enable snippet support
 local capabilities = vim.lsp.protocol.make_client_capabilities()
@@ -11,6 +12,7 @@ capabilities.textDocument.completion.completionItem.resolveSupport = {
     'additionalTextEdits',
   }
 }
+capabilities = vim.tbl_extend('keep', capabilities or {}, lsp_status.capabilities)
 
 -- Use an on_attach function to only map the following keys
 -- after the language server attaches to the current buffer
@@ -40,6 +42,9 @@ local on_attach = function(client, bufnr)
 	buf_set_keymap('n', ']d', '<cmd>lua vim.lsp.diagnostic.goto_next()<CR>', opts)
 	buf_set_keymap('n', '<M-q>', '<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>', opts)
 	buf_set_keymap("n", "<Leader>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
+
+	lsp_status.on_attach(client)
+
 	--require'completion'.on_attach(client, bufnr)
 end
 
@@ -47,13 +52,6 @@ local lsp_installer = require("nvim-lsp-installer")
 lsp_installer.on_server_ready(function(server)
     local opts = {}
 
-    -- (optional) Customize the options passed to the server
-    -- if server.name == "tsserver" then
-    --     opts.root_dir = function() ... end
-    -- end
-
-    -- This setup() function is exactly the same as lspconfig's setup function.
-    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
     server:setup(opts)
 end)
 
@@ -61,25 +59,13 @@ metals_config = require("metals").bare_config()
 metals_config.init_options.statusBarProvider = "on"
 metals_config.settings = { showImplicitArguments = true }
 metals_config.on_attach = on_attach
+metals_config.capabilities = capabilities
 
 vim.cmd [[augroup lsp]]
 vim.cmd [[au!]]
 vim.cmd [[au FileType scala,sbt lua require("metals").initialize_or_attach(metals_config)]]
 vim.cmd [[augroup end]]
 
--- Use a loop to conveniently call 'setup' on multiple servers and
--- map buffer local keybindings when the language server attaches
-local servers = { "lemminx" }
-for _, lsp in ipairs(servers) do
-	lspconfig[lsp].setup {
-		on_attach = on_attach,
-		capabilities = capabilities,
-		flags = {
-			debounce_text_changes = 150,
-		}
-	}
-end
-
 vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
   vim.lsp.diagnostic.on_publish_diagnostics, {
     virtual_text = false,
@@ -88,5 +74,11 @@ vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
   }
 )
 
+vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(
+  vim.lsp.handlers.signature_help, {
+    silent = true, focusable = false
+  }
+)
+
 vim.cmd [[autocmd CursorHoldI * silent! lua vim.lsp.buf.signature_help()]]
 vim.cmd [[autocmd CursorHold * lua vim.diagnostic.open_float({max_width = 100, focusable = false})]]

packages.vim

@@ -16,7 +16,7 @@ Plug 'tpope/vim-characterize'
 Plug 'tpope/vim-eunuch'
 Plug 'tpope/vim-commentary'
 Plug 'tpope/vim-sleuth'
-
+"
 " motions and textobjects
 Plug 'kana/vim-textobj-user'
 Plug 'glts/vim-textobj-comment'
@@ -26,18 +26,25 @@ Plug 'vim-scripts/argtextobj.vim'
 Plug 'mhinz/vim-signify'
 
 " LSP
+Plug 'neovim/nvim-lspconfig'
+Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'hrsh7th/cmp-buffer'
+Plug 'hrsh7th/nvim-cmp'
+Plug 'nvim-lua/plenary.nvim'
+Plug 'scalameta/nvim-metals'
+Plug 'hrsh7th/cmp-vsnip'
+Plug 'hrsh7th/vim-vsnip'
 
 " Plug 'neoclide/coc.nvim', {'branch': 'release'}
 Plug 'neovim/nvim-lspconfig'
 Plug 'williamboman/nvim-lsp-installer'
 Plug 'scalameta/nvim-metals'
-"Plug 'hrsh7th/nvim-compe'
-Plug 'hrsh7th/nvim-cmp'
 Plug 'hrsh7th/cmp-buffer'
 Plug 'hrsh7th/cmp-path'
 Plug 'hrsh7th/cmp-nvim-lsp'
+Plug 'hrsh7th/nvim-cmp'
+Plug 'hrsh7th/cmp-vsnip'
 Plug 'hrsh7th/vim-vsnip'
-Plug 'hrsh7th/vim-vsnip-integ'
 "Plug 'nvim-lua/completion-nvim'
 Plug 'nvim-treesitter/nvim-treesitter', {'branch': '0.5-compat', 'do': ':TSUpdate'}
 Plug 'nvim-lua/lsp-status.nvim'
@@ -49,8 +56,6 @@ Plug 'folke/lsp-colors.nvim'
 Plug 'nvim-lua/popup.nvim'
 Plug 'nvim-lua/plenary.nvim'
 Plug 'nvim-telescope/telescope.nvim'
-Plug 'L3MON4D3/LuaSnip'
-
 
 Plug 'machakann/vim-highlightedyank'
 
@@ -70,10 +75,10 @@ Plug 'tpope/vim-rails'
 Plug 'tpope/vim-rake'
 
 " git
-"Plug 'tpope/vim-fugitive'
 Plug 'lambdalisue/gina.vim'
 Plug 'gregsexton/gitv'
 Plug 'gisphm/vim-gitignore'
+Plug 'sjl/splice.vim'
 
 " other filetype specific plugins
 Plug 'jamessan/vim-gnupg'