nix: Vim LSP plugins

config/automatrop/roles/vim/templates/pluginlist.j2

@@ -16,16 +16,6 @@
 " Theme
 source ~/.config/vim/theme.vim
 
-" Language Server Client
-{% if variant == 'nvim' %}
-{{ use_plugin('nvim_lspconfig') }}
-{{ use_plugin('lightbulb') }}
-{{ use_plugin('lspkind') }}
-{{ use_plugin('lsp_signature') }}
-{% else %}
-{{ use_plugin('vim_lsp') }}
-{% endif %}
-
 " Treesitter
 {% if variant == 'nvim' %}
 {{ use_plugin('treesitter') }}

config/automatrop/roles/vim/templates/plugins/lightbulb.j2

@@ -1,3 +0,0 @@
-{# Shows a lightbulb whenever a codeAction is available under the cursor #}
-{{ add_source('kosayoda/nvim-lightbulb') -}}
-autocmd CursorHold,CursorHoldI * lua require'nvim-lightbulb'.update_lightbulb()

config/automatrop/roles/vim/templates/plugins/lsp_signature.j2

@@ -1,8 +0,0 @@
-{# Show argument documentation when typing a function #}
-{{ add_source('ray-x/lsp_signature.nvim') -}}
-
-lua << EOF
-require'lsp_signature'.on_attach({
-    hint_enable = false,
-})
-EOF

config/automatrop/roles/vim/templates/plugins/lspkind.j2

@@ -1,6 +0,0 @@
-{# Add icons to LSP completions #}
-{{ add_source('onsails/lspkind-nvim') -}}
-
-lua << EOF
-require('lspkind').init()
-EOF

config/automatrop/roles/vim/templates/plugins/nvim_lspconfig.j2

@@ -1,70 +0,0 @@
-{# LSP client for neovim ≥ 0.5 #}
-{{ add_source('neovim/nvim-lspconfig') -}}
-lua << EOF
-local nvim_lsp = require('lspconfig')
-
--- Mappings.
--- See `:help vim.diagnostic.*` for documentation on any of the below functions
-local opts = { noremap=true, silent=true }
-vim.keymap.set('n', '<space>e', vim.diagnostic.open_float, opts)
-vim.keymap.set('n', '[e', vim.diagnostic.goto_prev, opts)
-vim.keymap.set('n', ']e', vim.diagnostic.goto_next, opts)
--- vim.keymap.set('n', '<space>q', vim.diagnostic.setloclist, opts)
-
--- Use an on_attach function to only map the following keys 
--- after the language server attaches to the current buffer
-local on_attach = function(client, bufnr)
-  -- Enable completion triggered by <c-x><c-o>
-  vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc')
-
-  -- Mappings.
-  -- See `:help vim.lsp.*` for documentation on any of the below functions
-  local bufopts = { noremap=true, silent=true, buffer=bufnr }
-  vim.keymap.set('n', 'gD', vim.lsp.buf.declaration, bufopts)
---  vim.keymap.set('n', 'gd', vim.lsp.buf.definition, bufopts)
-  vim.keymap.set('n', 'K', vim.lsp.buf.hover, bufopts)
-  vim.keymap.set('n', 'gi', vim.lsp.buf.implementation, bufopts)
-  vim.keymap.set('n', '<C-S-k>', vim.lsp.buf.signature_help, bufopts)
-  vim.keymap.set('n', '<space>wa', vim.lsp.buf.add_workspace_folder, bufopts)
-  vim.keymap.set('n', '<space>wr', vim.lsp.buf.remove_workspace_folder, bufopts)
-  vim.keymap.set('n', '<space>wl', function()
-    print(vim.inspect(vim.lsp.buf.list_workspace_folders()))
-  end, bufopts)
-  vim.keymap.set('n', '<space>D', vim.lsp.buf.type_definition, bufopts)
-  vim.keymap.set('n', '<space>rn', vim.lsp.buf.rename, bufopts)
---  vim.keymap.set('n', '<space>ca', vim.lsp.buf.code_action, bufopts)
---  vim.keymap.set('n', 'gr', vim.lsp.buf.references, bufopts)
-  vim.keymap.set('n', '<space>f', function() vim.lsp.buf.format { async = true } end, bufopts)
-end
-
--- Use a loop to conveniently call 'setup' on multiple servers and
--- map buffer local keybindings when the language server attaches
-local servers = {
-{% if 'ansible' in dev_stuffs %}
-    "ansiblels",
-{% endif %}
-{% if 'nix' in dev_stuffs %}
-    "rnix",
-{% endif %}
-{% if 'perl' in dev_stuffs %}
-    "perlls",
-{% endif %}
-{% if 'python' in dev_stuffs %}
-    "pylsp",
-{% endif %}
-{% if 'php' in dev_stuffs %}
-    "phpactor", -- Install this one manually https://phpactor.readthedocs.io/en/master/usage/standalone.html#global-installation
-{% endif %}
-{% if 'sql' in dev_stuffs %}
-    "sqlls",
-{% endif %}
-}
-for _, lsp in ipairs(servers) do
-  nvim_lsp[lsp].setup {
-    on_attach = on_attach,
-    flags = {
-      debounce_text_changes = 150,
-    }
-  }
-end
-EOF

config/automatrop/roles/vim/templates/plugins/vim_lsp.j2

@@ -1,39 +0,0 @@
-{# LSP client for Vim8 and neovim #}
-{{ add_source('prabirshrestha/vim-lsp') -}}
-{{ add_source('mattn/vim-lsp-settings') -}}
-" (providers are automatically detected thanks to vim-lsp-settings.
-" You can even install some locally using :LspInstallServer)
-
-let g:lsp_signs_enabled = 1
-let g:lsp_diagnostics_echo_cursor = 1
-
-let g:lsp_signs_error = {'text': '✗'}
-let g:lsp_signs_warning = {'text': '‼'}
-let g:lsp_signs_information = {'text': 'ℹ'}
-let g:lsp_signs_hint = {'text': '?'}
-
-let g:lsp_highlight_references_enabled = 1
-
-function! s:on_lsp_buffer_enabled() abort
-    setlocal omnifunc=lsp#complete
-    setlocal signcolumn=yes
-    if exists('+tagfunc') | setlocal tagfunc=lsp#tagfunc | endif
-    nmap <buffer> gd <plug>(lsp-definition)
-    nmap <buffer> gD <plug>(lsp-declaration)
-    nmap <buffer> gr <plug>(lsp-references)
-    nmap <buffer> gi <plug>(lsp-implementation)
-    nmap <buffer> <space>rn <plug>(lsp-rename)
-    nmap <buffer> [d <plug>(lsp-previous-diagnostic)
-    nmap <buffer> ]d <plug>(lsp-next-diagnostic)
-    nmap <buffer> K <plug>(lsp-hover)
-    nmap <buffer> <space>f <plug>(lsp-document-format)
-    vmap <buffer> <space>f <plug>(lsp-document-range-format)
-    inoremap <buffer> <expr><c-f> lsp#scroll(+4)
-    inoremap <buffer> <expr><c-d> lsp#scroll(-4)
-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

config/nix/hm/dev.nix

@@ -6,7 +6,6 @@
     # Ansible
     ansible
     ansible-lint
-    ansible-language-server
 
     # C/C++
     cmake
@@ -42,24 +41,9 @@
 
     # nix
     nix
-    rnix-lsp
-
-    # Perl
-    perl536Packages.PLS
 
     # Python
-    mypy
-    python3Packages.black
-    python3Packages.python-lsp-server
-    python3Packages.pylsp-mypy
-    python3Packages.pyls-isort
-    python3Packages.python-lsp-black
-    # TODO Are all those for the same language server?
     python3Packages.ipython
-
-    # Bash
-    nodePackages.bash-language-server
-    sqls
   ];
 
 }

config/nix/hm/vim.nix

@@ -54,27 +54,27 @@ in
       # Go to whatever
       telescope = {
         enable = true;
-        # FIXME Crashes nvim on startup, complaining about some keymap
+        keymaps = {
-        # keymaps = {
+          gF = "find_files";
-        #   gF = "find_files";
+          gf = "git_files";
-        #   gf = "git_files";
+          gB = "buffers";
-        #   gB = "buffers";
+          gl = "current_buffer_fuzzy_find";
-        #   gl = "current_buffer_fuzzy_find";
+          gL = "live_grep";
-        #   gL = "live_grep";
+          gT = "tags";
-        #   gT = "tags";
+          gt = "treesitter";
-        #   gt = "treesitter";
+          gm = "marks";
-        #   gm = "marks";
+          gh = "oldfiles";
-        #   gh = "oldfiles";
+          gH = "command_history";
-        #   gH = "command_history";
+          gS = "search_history";
-        #   gS = "search_history";
+          gC = "commands";
-        #   gC = "commands";
+          gr = "lsp_references";
-        #   gr = "lsp_references";
           # ga = "lsp_code_actions";
           # ge = "lsp_document_diagnostics";
           # gE = "lsp_workspace_diagnostics";
-        #   gd = "lsp_definitions";
+          # FIXME Above makes nvim crash on startup, action is not provided
-        #   gs = "lsp_document_symbols";
+          gd = "lsp_definitions";
-        # };
+          gs = "lsp_document_symbols";
+        };
         defaults = {
           vimgrep_arguments = [
             "${pkgs.ripgrep}/bin/rg"
@@ -97,6 +97,63 @@ in
 
       # Surrounding pairs
       surround.enable = true; # Change surrounding pairs (e.g. brackets, quotes)
+
+      # Language Server
+      lsp = {
+        enable = true;
+        keymaps = {
+          silent = true;
+          diagnostic = {
+            "<Space>e" = "open_float";
+            "[e" = "goto_prev";
+            "]e" = "goto_next";
+          };
+          lspBuf = {
+            "gD" = "declaration";
+            "K" = "hover";
+            "gi" = "implementation";
+            "<C-S-k>" = "signature_help";
+            "<space>wa" = "add_workspace_folder";
+            "<space>wr" = "remove_workspace_folder";
+            # "<space>wl" = "list_workspace_folder";
+            # TODO Full thing was function() print(vim.inspect(vim.lsp.buf.list_workspace_folder())) end but not sure I'm ever really using this
+            # Also makes nvim crash like this, so uncommented
+            "<space>D" = "type_definition";
+            "<space>rn" = "rename";
+            "<space>f" = "format";
+            # TODO Full thing was function() vim.lsp.buf.format { async = true } end, so async while this isn't
+            # Maybe replace this with lsp-format?
+          };
+        };
+        servers = {
+          # FIXME ansiblels
+          bashls.enable = true; # Bash
+          jsonls.enable = true; # JSON
+          # FIXME perlls
+          pylsp = { # Python
+            enable = true;
+            settings.plugins = {
+              black.enabled = true;
+              flake8.enabled = true; # FIXME Not getting the warnings I would expect
+              isort.enabled = true;
+              pylsp_mypy.enabled = true;
+            };
+          };
+          # FIXME phpactor. Only from 23.11
+          # phpactor.enable = true; # PHP
+          rnix-lsp.enable = true; # Nix
+          # FIXME sqlls
+          yamlls.enable = true; # Nix
+          # TODO Check out none-ls
+        };
+        # FIXME vim.api.nvim_buf_set_option(bufnr, 'omnifunc', 'v:lua.vim.lsp.omnifunc') as onAttach... is it needed?
+        # FIXME flags = { debounce_text_changes = 150 } is the default value ok? Maybe it was actually ignored
+      };
+      nvim-lightbulb = { # Shows a lightbulb whenever a codeAction is available under the cursor
+        enable = true;
+        autocmd.enabled = true;
+      };
+      lspkind.enable = true; # Add icons to LSP completions
     };
     extraPlugins = with pkgs.vimPlugins; [
       nvim-scrollview # Scroll bar
@@ -125,10 +182,14 @@ in
       vim-gutentags # Generate tags
       symbols-outline-nvim # Show a symbol panel on the right
       # TODO Fails on startup. Same on Arch. Config issue?
+
+      # Language server
+      lsp_signature-nvim # Show argument definition when typing a function
     ];
     extraConfigLua = lib.strings.concatMapStringsSep "\n" (f: builtins.readFile f) [
       ./vim/feline.lua
       ./vim/symbols-outline-nvim.lua
+      ./vim/lsp_signature-nvim.lua
     ];
     extraConfigVim = ''
       " vim-gutentags

config/nix/hm/vim/lsp_signature-nvim.lua

@@ -0,0 +1,3 @@
+require'lsp_signature'.on_attach({
+    hint_enable = false,
+})