neovim-flake/modules/lsp/config.nix

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{
pkgs,
config,
lib,
...
}:
with lib;
with builtins; let
cfg = config.vim.lsp;
in {
options.vim.lsp = {
enable = mkEnableOption "neovim lsp support";
formatOnSave = mkEnableOption "Format on save";
nix = {
enable = mkEnableOption "Nix LSP";
server = mkOption {
type = with types; enum ["rnix" "nil"];
default = "nil";
description = "Which LSP to use";
};
pkg = mkOption {
type = types.package;
default =
if (cfg.nix.server == "rnix")
then pkgs.rnix-lsp
else pkgs.nil;
description = "The LSP package to use";
};
formatter = mkOption {
type = with types; enum ["nixpkgs-fmt" "alejandra"];
default = "alejandra";
description = "Which nix formatter to use";
};
};
rust = {
enable = mkEnableOption "Rust LSP";
rustAnalyzerOpts = mkOption {
type = types.str;
default = ''
["rust-analyzer"] = {
experimental = {
procAttrMacros = true,
},
},
'';
description = "options to pass to rust analyzer";
};
};
python = mkEnableOption "Python LSP";
clang = {
enable = mkEnableOption "C language LSP";
c_header = mkEnableOption "C syntax header files";
cclsOpts = mkOption {
type = types.str;
default = "";
};
};
sql = mkEnableOption "SQL Language LSP";
go = mkEnableOption "Go language LSP";
ts = mkEnableOption "TS language LSP";
zig.enable = mkEnableOption "Zig language LSP";
};
config = mkIf cfg.enable (
let
writeIf = cond: msg:
if cond
then msg
else "";
in {
vim.startPlugins =
[
"nvim-lspconfig"
"null-ls"
(
if (config.vim.autocomplete.enable && (config.vim.autocomplete.type == "nvim-cmp"))
then "cmp-nvim-lsp"
else null
)
(
if cfg.sql
then "sqls-nvim"
else null
)
]
++ (
if cfg.rust.enable
then [
"crates-nvim"
"rust-tools"
]
else []
);
vim.configRC.lsp = nvim.dag.entryAnywhere ''
${
if cfg.nix.enable
then ''
autocmd filetype nix setlocal tabstop=2 shiftwidth=2 softtabstop=2
''
else ""
}
${
if cfg.clang.c_header
then ''
" c syntax for header (otherwise breaks treesitter highlighting)
" https://www.reddit.com/r/neovim/comments/orfpcd/question_does_the_c_parser_from_nvimtreesitter/
let g:c_syntax_for_h = 1
''
else ""
}
'';
vim.luaConfigRC.lsp = nvim.dag.entryAnywhere ''
local attach_keymaps = function(client, bufnr)
local opts = { noremap=true, silent=true }
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lgD', '<cmd>lua vim.lsp.buf.declaration()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lgd', '<cmd>lua vim.lsp.buf.definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lgt', '<cmd>lua vim.lsp.buf.type_definition()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lgn', '<cmd>lua vim.diagnostic.goto_next()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lgp', '<cmd>lua vim.diagnostic.goto_prev()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lwa', '<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lwr', '<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lwl', '<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>lh', '<cmd>lua vim.lsp.buf.hover()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>ls', '<cmd>lua vim.lsp.buf.signature_help()<CR>', opts)
vim.api.nvim_buf_set_keymap(bufnr, 'n', '<leader>ln', '<cmd>lua vim.lsp.buf.rename()<CR>', opts)
end
local null_ls = require("null-ls")
local null_helpers = require("null-ls.helpers")
local null_methods = require("null-ls.methods")
local ls_sources = {
${writeIf cfg.python
''
null_ls.builtins.formatting.black.with({
command = "${pkgs.black}/bin/black",
}),
''}
-- Commented out for now
--${writeIf (config.vim.git.enable && config.vim.git.gitsigns.enable) ''
-- null_ls.builtins.code_actions.gitsigns,
--''}
${writeIf cfg.sql
''
null_helpers.make_builtin({
method = null_methods.internal.FORMATTING,
filetypes = { "sql" },
generator_opts = {
to_stdin = true,
ignore_stderr = true,
suppress_errors = true,
command = "${pkgs.sqlfluff}/bin/sqlfluff",
args = {
"fix",
"-",
},
},
factory = null_helpers.formatter_factory,
}),
null_ls.builtins.diagnostics.sqlfluff.with({
command = "${pkgs.sqlfluff}/bin/sqlfluff",
extra_args = {"--dialect", "postgres"}
}),
''}
${writeIf
(cfg.nix.enable
&& cfg.nix.server == "rnix"
&& cfg.nix.formatter == "alejandra")
''
null_ls.builtins.formatting.alejandra.with({
command = "${pkgs.alejandra}/bin/alejandra"
}),
''}
${writeIf cfg.ts
''
null_ls.builtins.diagnostics.eslint,
null_ls.builtins.formatting.prettier,
''}
}
vim.g.formatsave = ${
if cfg.formatOnSave
then "true"
else "false"
};
-- Enable formatting
format_callback = function(client, bufnr)
vim.api.nvim_create_autocmd("BufWritePre", {
group = augroup,
buffer = bufnr,
callback = function()
if vim.g.formatsave then
if client.supports_method("textDocument/formatting") then
local params = require'vim.lsp.util'.make_formatting_params({})
client.request('textDocument/formatting', params, nil, bufnr)
end
end
end
})
end
default_on_attach = function(client, bufnr)
attach_keymaps(client, bufnr)
format_callback(client, bufnr)
end
-- Enable null-ls
require('null-ls').setup({
diagnostics_format = "[#{m}] #{s} (#{c})",
debounce = 250,
default_timeout = 5000,
sources = ls_sources,
on_attach=default_on_attach
})
-- Enable lspconfig
local lspconfig = require('lspconfig')
local capabilities = vim.lsp.protocol.make_client_capabilities()
${
let
cfg = config.vim.autocomplete;
in
writeIf cfg.enable (
if cfg.type == "nvim-cmp"
then ''
capabilities = require('cmp_nvim_lsp').default_capabilities()
''
else ""
)
}
${writeIf cfg.rust.enable ''
-- Rust config
local rt = require('rust-tools')
rust_on_attach = function(client, bufnr)
default_on_attach(client, bufnr)
local opts = { noremap=true, silent=true, buffer = bufnr }
vim.keymap.set("n", "<leader>ris", rt.inlay_hints.set, opts)
vim.keymap.set("n", "<leader>riu", rt.inlay_hints.unset, opts)
vim.keymap.set("n", "<leader>rr", rt.runnables.runnables, opts)
vim.keymap.set("n", "<leader>rp", rt.parent_module.parent_module, opts)
vim.keymap.set("n", "<leader>rm", rt.expand_macro.expand_macro, opts)
vim.keymap.set("n", "<leader>rc", rt.open_cargo_toml.open_cargo_toml, opts)
vim.keymap.set("n", "<leader>rg", function() rt.crate_graph.view_crate_graph("x11", nil) end, opts)
end
local rustopts = {
tools = {
autoSetHints = true,
hover_with_actions = false,
inlay_hints = {
only_current_line = false,
}
},
server = {
capabilities = capabilities,
on_attach = rust_on_attach,
cmd = {"${pkgs.rust-analyzer}/bin/rust-analyzer"},
settings = {
${cfg.rust.rustAnalyzerOpts}
}
}
}
require('crates').setup {
null_ls = {
enabled = true,
name = "crates.nvim",
}
}
rt.setup(rustopts)
''}
${optionalString cfg.zig.enable ''
-- Zig config
lspconfig.zls.setup {
capabilities = capabilities,
on_attach=default_on_attach,
cmd = {"${pkgs.zls}/bin/zls"},
settings = {
["zls"] = {
zig_exe_path = "${pkgs.zig}/bin/zig",
zig_lib_path = "${pkgs.zig}/lib/zig",
}
}
}
''}
${writeIf cfg.python ''
-- Python config
lspconfig.pyright.setup{
capabilities = capabilities;
on_attach=default_on_attach;
cmd = {"${pkgs.nodePackages.pyright}/bin/pyright-langserver", "--stdio"}
}
''}
${writeIf cfg.nix.enable (
(writeIf (cfg.nix.server == "rnix") ''
-- Nix (rnix) config
lspconfig.rnix.setup{
capabilities = capabilities,
${writeIf (cfg.nix.formatter == "alejandra")
''
on_attach = function(client, bufnr)
attach_keymaps(client, bufnr)
end,
''}
${writeIf (cfg.nix.formatter == "nixpkgs-fmt")
''
on_attach = default_on_attach,
''}
cmd = {"${cfg.nix.pkg}/bin/rnix-lsp"},
}
'')
+ (writeIf (cfg.nix.server == "nil") ''
-- Nix (nil) config
lspconfig.nil_ls.setup{
capabilities = capabilities,
on_attach=default_on_attach,
cmd = {"${cfg.nix.pkg}/bin/nil"},
settings = {
["nil"] = {
${writeIf (cfg.nix.formatter == "alejandra")
''
formatting = {
command = {"${pkgs.alejandra}/bin/alejandra", "--quiet"},
},
''}
${writeIf (cfg.nix.formatter == "nixpkgs-fmt")
''
formatting = {
command = {"${pkgs.nixpkgs-fmt}/bin/nixpkgs-fmt"},
},
''}
},
};
}
'')
)}
${writeIf cfg.clang.enable ''
-- CCLS (clang) config
lspconfig.ccls.setup{
capabilities = capabilities;
on_attach=default_on_attach;
cmd = {"${pkgs.ccls}/bin/ccls"};
${
if cfg.clang.cclsOpts == ""
then ""
else "init_options = ${cfg.clang.cclsOpts}"
}
}
''}
${writeIf cfg.sql ''
-- SQLS config
lspconfig.sqls.setup {
on_attach = function(client)
client.server_capabilities.execute_command = true
on_attach_keymaps(client, bufnr)
require'sqls'.setup{}
end,
cmd = {"${pkgs.sqls}/bin/sqls", "-config", string.format("%s/config.yml", vim.fn.getcwd()) }
}
''}
${writeIf cfg.go ''
-- Go config
lspconfig.gopls.setup {
capabilities = capabilities;
on_attach = default_on_attach;
cmd = {"${pkgs.gopls}/bin/gopls", "serve"},
}
''}
${writeIf cfg.ts ''
-- TS config
lspconfig.tsserver.setup {
capabilities = capabilities;
on_attach = function(client, bufnr)
attach_keymaps(client, bufnr)
end,
cmd = { "${pkgs.nodePackages.typescript-language-server}/bin/typescript-language-server", "--stdio" }
}
''}
'';
}
);
}