vim-settings/neovim/lua/plugins/lsp.lua

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-- luacheck: globals packer_plugins
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local M = {}
local utils = require("utils")
function M.config_lsp_ui()
local border = {
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{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
{ "", "FloatBorder" },
}
local orig_util_open_floating_preview = vim.lsp.util.open_floating_preview
function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
opts = opts or {}
opts.border = opts.border or border
return orig_util_open_floating_preview(contents, syntax, opts, ...)
end
-- Diagnostics signs
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for type, icon in pairs(utils.diagnostic_signs) do
local hl = "DiagnosticSign" .. type
vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end
utils.try_require("trouble", function(trouble)
trouble.setup({
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fold_open = "",
fold_closed = "",
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icons = false,
use_diagnostic_signs = true,
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})
end)
end
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local function get_server_capabilities(client)
-- HACK: Support for <0.8
if client.server_capabilities ~= nil then
return client.server_capabilities
end
local capabilities = client.resolved_capabilities
if capabilities.documentSymbolProvider == nil then
capabilities.documentSymbolProvider = capabilities.goto_definition
end
if capabilities.documentFormattingProvider == nil then
capabilities.documentFormattingProvider = capabilities.document_formatting
end
if capabilities.documentRangeFormattingProvider == nil then
capabilities.documentRangeFormattingProvider = capabilities.document_range_formatting
end
if capabilities.documentHighlightProvider == nil then
capabilities.documentHighlightProvider = capabilities.document_highlight
end
if capabilities.workspaceSymbolProvider == nil then
-- Not sure what the legacy version of this is
capabilities.workspaceSymbolProvider = capabilities.goto_definition
end
return capabilities
end
local function get_default_attach(override_capabilities)
return function(client, bufnr)
-- Allow overriding capabilities to avoid duplicate lsps with capabilities
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-- Using custom method to extract for <0.8 support
local server_capabilities = get_server_capabilities(client)
if override_capabilities ~= nil then
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server_capabilities = vim.tbl_extend("force", server_capabilities, override_capabilities or {})
end
local function buf_set_option(...)
vim.api.nvim_buf_set_option(bufnr, ...)
end
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-- Set built in features to use lsp functions (automatic in nvim-0.8)
-- HACK: Support for <0.8
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if vim.fn.has("nvim-0.8") ~= 1 then
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buf_set_option("omnifunc", "v:lua.vim.lsp.omnifunc")
if server_capabilities.documentSymbolProvider then
buf_set_option("tagfunc", "v:lua.vim.lsp.tagfunc")
end
if server_capabilities.documentFormattingProvider then
buf_set_option("formatexpr", "v:lua.vim.lsp.formatexpr()")
end
end
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-- Mappings
-- TODO: use functions instead of strings when dropping 0.6
local lsp_keymap = utils.curry_keymap("n", "<leader>l", { buffer = bufnr })
lsp_keymap("h", "<cmd>lua vim.lsp.buf.hover()<CR>", { desc = "Display hover" })
lsp_keymap("rn", "<cmd>lua vim.lsp.buf.rename()<CR>", { desc = "Refactor rename" })
lsp_keymap("e", "<cmd>lua vim.diagnostic.open_float()<CR>", { desc = "Open float dialog" })
lsp_keymap("D", "<cmd>lua vim.lsp.buf.declaration()<CR>", { desc = "Go to declaration" })
lsp_keymap("d", "<cmd>lua vim.lsp.buf.definition()<CR>", { desc = "Go to definition" })
lsp_keymap("t", "<cmd>lua vim.lsp.buf.type_definition()<CR>", { desc = "Go to type definition" })
lsp_keymap("i", "<cmd>lua vim.lsp.buf.implementation()<CR>", { desc = "Show implementations" })
lsp_keymap("s", "<cmd>lua vim.lsp.buf.signature_help()<CR>", { desc = "Show signature help" })
lsp_keymap("wa", "<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>", { desc = "Workspace: Add folder" })
lsp_keymap("wr", "<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>", { desc = "Workspace: Remove folder" })
lsp_keymap(
"wl",
"<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>",
{ desc = "Workspace: List folders" }
)
lsp_keymap("r", "<cmd>lua vim.lsp.buf.references()<CR>", { desc = "References" })
lsp_keymap("p", "<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>", { desc = "Diagnostics: Go to previous" })
lsp_keymap("n", "<cmd>lua vim.lsp.diagnostic.goto_next()<CR>", { desc = "Diagnostics: Go to next" })
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-- Set insert keymap for signature help
utils.keymap_set(
"i",
"<C-k>",
"<cmd>lua vim.lsp.buf.signature_help()<CR>",
{ buffer = bufnr, desc = "Show signature help" }
)
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-- Older keymaps
--[[
buf_set_keymap("n", "gD", "<Cmd>lua vim.lsp.buf.declaration()<CR>", opts)
buf_set_keymap("n", "gd", "<Cmd>lua vim.lsp.buf.definition()<CR>", opts)
buf_set_keymap("n", "K", "<Cmd>lua vim.lsp.buf.hover()<CR>", opts)
buf_set_keymap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
buf_set_keymap("n", "<leader>wa", "<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>", opts)
buf_set_keymap("n", "<leader>wr", "<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>", opts)
buf_set_keymap("n", "<leader>wl", "<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>", opts)
buf_set_keymap("n", "<leader>D", "<cmd>lua vim.lsp.buf.type_definition()<CR>", opts)
buf_set_keymap("n", "<leader>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
buf_set_keymap("n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
buf_set_keymap("n", "<leader>e", "<cmd>lua vim.diagnostic.open_float()<CR>", opts)
buf_set_keymap("n", "[d", "<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>", opts)
buf_set_keymap("n", "]d", "<cmd>lua vim.lsp.diagnostic.goto_next()<CR>", opts)
buf_set_keymap("n", "<leader>q", "<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>", opts)
--]]
-- Open diagnostic on hold
if vim["diagnostic"] ~= nil then
-- TODO: When dropping 0.6, use lua aucommand api
vim.cmd([[autocmd CursorHold * lua vim.diagnostic.open_float(nil, {focus=false, scope="cursor"})]])
end
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-- Use IncRename if available
if utils.try_require("inc_rename") ~= nil then
-- TODO: Should I be using this for calling lua functions from keymaps?
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vim.keymap.set("n", "<leader>rn", function()
return ":IncRename " .. vim.fn.expand("<cword>")
end, { expr = true, buffer = true, desc = "Rename current symbol" })
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end
-- Set some keybinds conditional on server capabilities
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if vim.fn.has("nvim-0.8") == 1 then
lsp_keymap("f", "<cmd>lua vim.lsp.buf.format({async=true})<CR>", { desc = "Format code" })
lsp_keymap(
"f",
"<cmd>lua vim.lsp.buf.format({async=true})<CR>",
{ mode = "v", desc = "Format selected code" }
)
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if server_capabilities.documentFormattingProvider then
vim.api.nvim_create_autocmd({ "BufWritePre" }, {
pattern = { "*.rs", "*.go", "*.sh", "*.lua" },
callback = function()
vim.lsp.buf.format({ async = false, timeout_ms = 1000 })
end,
group = vim.api.nvim_create_augroup("lsp_format", { clear = true }),
desc = "Auto format code on save",
})
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end
else
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-- HACK: Support for <0.8
lsp_keymap("f", "<cmd>lua vim.lsp.buf.formatting()<CR>", { desc = "Format code" })
lsp_keymap(
"f",
"<cmd>lua vim.lsp.buf.range_formatting()<CR>",
{ mode = "v", desc = "Format selected code" }
)
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if server_capabilities.documentFormattingProvider then
vim.cmd([[
augroup lsp_format
autocmd!
autocmd BufWritePre lua vim.lsp.buf.formatting_sync(nil, 1000)
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augroup END
]])
end
end
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-- Set autocommands conditional on server_capabilities
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if server_capabilities.documentHighlightProvider then
vim.cmd([[
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:highlight link LspReferenceRead MatchParen
:highlight link LspReferenceText MatchParen
:highlight link LspReferenceWrite MatchParen
augroup lsp_document_highlight
autocmd!
autocmd CursorHold <buffer> lua vim.lsp.buf.document_highlight()
autocmd CursorMoved <buffer> lua vim.lsp.buf.clear_references()
augroup END
]])
end
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-- Some override some fuzzy finder bindings to use lsp sources
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if utils.try_require("telescope") ~= nil then
-- Replace some Telescope bindings with LSP versions
local telescope_keymap = utils.curry_keymap("n", "<leader>f", { buffer = bufnr })
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if server_capabilities.documentSymbolProvider then
telescope_keymap("t", "<cmd>Telescope lsp_document_symbols<CR>", { desc = "Find buffer tags" })
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end
if server_capabilities.workspaceSymbolProvider then
telescope_keymap("T", "<cmd>Telescope lsp_dynamic_workspace_symbols<CR>", { desc = "Find tags" })
end
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-- Replace some LSP bindings with Telescope ones
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if server_capabilities.definitionProvider then
lsp_keymap("d", "<cmd>Telescope lsp_definitions<CR>", { desc = "Find definition" })
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end
if server_capabilities.typeDefinitionProvider then
lsp_keymap("t", "<cmd>Telescope lsp_type_definition<CR>", { desc = "Find type definition" })
end
lsp_keymap("i", "<cmd>Telescope lsp_implementations<CR>", { desc = "Find implementations" })
lsp_keymap("r", "<cmd>Telescope lsp_references<CR>", { desc = "Find references" })
lsp_keymap("A", "<cmd>Telescope lsp_code_actions<CR>", { desc = "Select code actions" })
lsp_keymap("A", "<cmd>Telescope lsp_range_code_actions<CR>", { mode = "v", desc = "Select code actions" })
end
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-- Attach navic for statusline location
if server_capabilities.documentSymbolProvider then
utils.try_require("nvim-navic", function(navic)
navic.attach(client, bufnr)
end)
end
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end
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end
local function merged_capabilities()
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-- Maybe update capabilities
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local capabilities = nil
utils.try_require("cmp-nvim-lsp", function(cmp_nvim_lsp)
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capabilities = cmp_nvim_lsp.default_capabilities()
end)
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return capabilities
end
function M.config_lsp()
utils.try_require("lspconfig", function(lsp_config)
local capabilities = merged_capabilities()
local default_attach = get_default_attach()
local default_setup = { capabilities = capabilities, on_attach = default_attach }
-- Configure each server
lsp_config.bashls.setup(default_setup)
lsp_config.gopls.setup(default_setup)
lsp_config.pyright.setup(default_setup)
-- Set up rust analyzer (preferred) or rls
-- TODO: Remove rls and all configuration for it when all machines are up to date
if vim.fn.executable("rust-analyzer") == 1 then
-- Prefer rust-tools, if present
utils.try_require("rust-tools", function(rust_tools)
rust_tools.setup({
capabilities = capabilities,
on_attach = function(client, bufnr)
default_attach(client, bufnr)
-- TODO: override some bindings from rust-tools
-- Eg. rust_tools.hover_actions.hover_actions or rt.code_action_group.code_action_group
end,
})
end, function()
lsp_config.rust_analyzer.setup({
capabilities = capabilities,
on_attach = default_attach,
settings = {
["rust-analyzer"] = {
cargo = {
features = "all",
},
},
},
})
end)
else
lsp_config.rls.setup({
capabilities = capabilities,
on_attach = default_attach,
})
end
-- Configure neovim dev for when sumneko_lua is installed
utils.try_require("neodev", function(neodev)
neodev.setup({})
end)
-- Auto setup mason installed servers
utils.try_require("mason-lspconfig", function(mason_lspconfig)
-- Get list of servers that are installed but not set up
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local already_setup
if lsp_config["util"] and lsp_config.util["available_servers"] then
already_setup = lsp_config.util.available_servers()
else
-- HACK: For lspconfig versions lower than 0.1.4
already_setup = lsp_config.available_servers()
end
local needs_setup = vim.tbl_filter(function(server)
return not vim.tbl_contains(already_setup, server)
end, mason_lspconfig.get_installed_servers())
-- Setup each server with default config
vim.tbl_map(function(server)
lsp_config[server].setup(default_setup)
end, needs_setup)
end)
-- Config null-ls after lsps so we can disable for languages that have language servers
require("plugins.null-ls").configure(default_setup)
end)
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end
function M.config_lsp_intaller()
utils.try_require("mason", function(mason)
mason.setup()
end)
utils.try_require("mason-lspconfig", function(mason_lspconfig)
mason_lspconfig.setup()
end)
end
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return M