vim: Replace CoC with Treesitter and LSP

vim/.config/coc/extensions/db.json

@@ -1 +0,0 @@
-{}

vim/.config/coc/extensions/package.json

@@ -1,23 +0,0 @@
-{
-  "dependencies": {
-    "coc-angular": ">=11.2.9",
-    "coc-css": ">=1.2.6",
-    "coc-emmet": ">=1.1.6",
-    "coc-esbonio": ">=0.4.0",
-    "coc-go": ">=0.13.3",
-    "coc-html": ">=1.4.1",
-    "coc-json": ">=1.3.4",
-    "coc-markdownlint": ">=1.11.1",
-    "coc-php-cs-fixer": ">=0.2.1",
-    "coc-phpactor": ">=1.0.3",
-    "coc-phpls": ">=2.2.0",
-    "coc-sh": ">=0.6.0",
-    "coc-svg": ">=0.0.13",
-    "coc-tailwindcss": ">=0.7.0",
-    "coc-tsserver": ">=1.7.0",
-    "coc-vetur": ">=1.2.4",
-    "coc-vimlsp": ">=0.12.2",
-    "coc-yaml": ">=1.3.1",
-    "coc-yank": ">=1.2.0"
-  }
-}

vim/.config/coc/memos.json

@@ -1 +0,0 @@
-{}

vim/.config/nvim/coc-settings.json

@@ -1,15 +0,0 @@
-{
-  "diagnostic.messageTarget": "echo",
-  "diagnostic.virtualText": true,
-
-  "intelephense.files.associations": [
-    "*.inc",
-    "*.module",
-    "*.php",
-    "*.profile",
-    "*.test",
-    "*.theme"
-  ],
-  "intelephense.progress.enable": false,
-  "intelephense.telemetry.enabled": false
-}

vim/.config/nvim/init.vim

@@ -57,3 +57,5 @@ autocmd FileType gitcommit setlocal spell
 
 " Display extra whitespace
 set list listchars=tab:»·,trail:·
+
+lua require("opdavies")

vim/.config/nvim/lua/opdavies/init.lua

@@ -0,0 +1,133 @@
+-- TreeSitter
+
+local configs = require'nvim-treesitter.configs'
+
+configs.setup {
+  ensure_installed = "maintained",
+  highlight = {
+    enable = true,
+  }
+}
+
+-- LSP
+
+local lspconfig = require'lspconfig'
+local completion = require'completion'
+
+local function custom_on_attach(client)
+  print('Attaching to ' .. client.name)
+  completion.on_attach(client)
+end
+
+local default_config = {
+  on_attach = custom_on_attach,
+}
+
+lspconfig.intelephense.setup{
+  filetypes = { "install", "inc", "module", "php", "test", "theme" },
+  on_attach = custom_on_attach,
+}
+
+lspconfig.tsserver.setup(default_config)
+
+vim.lsp.handlers["textDocument/publishDiagnostics"] = vim.lsp.with(
+  vim.lsp.diagnostic.on_publish_diagnostics, {
+    underline = true,
+    virtual_text = false,
+    signs = true,
+    update_in_insert = true,
+  }
+)
+
+local key_mapper = function(mode, key, result)
+  vim.api.nvim_set_keymap(
+    mode,
+    key,
+    result,
+    {noremap = true, silent = true}
+  )
+end
+
+key_mapper('n', '<c-k>', ':lua vim.lsp.buf.signature_help()<CR>')
+key_mapper('n', '<leader>af', ':lua vim.lsp.buf.code_action()<CR>')
+key_mapper('n', '<leader>rn', ':lua vim.lsp.buf.rename()<CR>')
+key_mapper('n', 'K', ':lua vim.lsp.buf.hover()<CR>')
+key_mapper('n', 'gD', ':lua vim.lsp.buf.declaration()<CR>')
+key_mapper('n', 'gW', ':lua vim.lsp.buf.workspace_symbol()<CR>')
+key_mapper('n', 'gd', ':lua vim.lsp.buf.definition()<CR>')
+key_mapper('n', 'gi', ':lua vim.lsp.buf.implementation()<CR>')
+key_mapper('n', 'gr', ':lua vim.lsp.buf.references()<CR>')
+key_mapper('n', 'gt', ':lua vim.lsp.buf.type_definition()<CR>')
+key_mapper('n', 'gw', ':lua vim.lsp.buf.document_symbol()<CR>')
+
+key_mapper('n', '<leader>dn', ':lua vim.lsp.diagnostic.goto_next()<CR>')
+key_mapper('n', '<leader>dp', ':lua vim.lsp.diagnostic.goto_prev()<CR>')
+key_mapper('n', '<leader>ds', ':lua vim.lsp.diagnostic.show_line_diagnostics()<CR>')
+
+key_mapper('n', '<C-p>', ':lua require"telescope.builtin".find_files()<CR>')
+key_mapper('n', '<leader>fb', ':lua require"telescope.builtin".buffers()<CR>')
+key_mapper('n', '<leader>fh', ':lua require"telescope.builtin".help_tags()<CR>')
+key_mapper('n', '<leader>fs', ':lua require"telescope.builtin".live_grep()<CR>')
+
+-- Compe
+require'compe'.setup {
+  enabled = true;
+  autocomplete = true;
+  debug = false;
+  min_length = 1;
+  preselect = 'enable';
+  throttle_time = 80;
+  source_timeout = 200;
+  incomplete_delay = 400;
+  max_abbr_width = 100;
+  max_kind_width = 100;
+  max_menu_width = 100;
+  documentation = true;
+
+  source = {
+    path = true;
+    nvim_lsp = 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
+    if col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
+        return true
+    else
+        return false
+    end
+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 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>"
+  else
+    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})
+
+--This line is important for auto-import
+vim.api.nvim_set_keymap('i', '<cr>', 'compe#confirm("<cr>")', { expr = true })
+vim.api.nvim_set_keymap('i', '<c-space>', 'compe#complete()', { expr = true })

vim/.config/nvim/plugins.vim

@@ -5,14 +5,16 @@ Plug 'arcticicestudio/nord-vim'
 Plug 'christoomey/vim-sort-motion'
 Plug 'christoomey/vim-tmux-navigator'
 Plug 'editorconfig/editorconfig-vim'
+Plug 'hrsh7th/nvim-compe'
 Plug 'jiangmiao/auto-pairs'
-Plug 'junegunn/fzf', { 'do': { -> fzf#install() } }
-Plug 'junegunn/fzf.vim'
 Plug 'machakann/vim-highlightedyank'
 Plug 'mg979/vim-visual-multi', {'branch': 'master'}
-Plug 'neoclide/coc.nvim', {'branch': 'release'}
+Plug 'neovim/nvim-lspconfig'
 Plug 'nvim-lua/plenary.nvim'
 Plug 'nvim-lua/popup.nvim'
+Plug 'nvim-telescope/telescope-fzy-native.nvim'
+Plug 'nvim-telescope/telescope.nvim'
+Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
 Plug 'preservim/nerdcommenter'
 Plug 'preservim/nerdtree'
 Plug 'sheerun/vim-polyglot'

vim/.config/nvim/plugins/coc.vim

@@ -1,8 +0,0 @@
-nmap <Leader>a <Plug>(coc-codeaction)
-nmap <Leader>gd <Plug>(coc-definition)
-nmap <Leader>gr <Plug>(coc-references)
-nmap <Leader>gi <Plug>(coc-implementation)
-nmap <Leader>gt <Plug>(coc-type-definition)
-nmap <Leader>sr <Plug>(coc-rename)
-nmap <Leader>rf <Plug>(coc-refactor)
-nnoremap <silent> K :call <SID>show_documentation()<CR>