75 lines
3.2 KiB
Lua
75 lines
3.2 KiB
Lua
return {
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-- Add java to treesitter.
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{
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"nvim-treesitter/nvim-treesitter",
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opts = function(_, opts)
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if type(opts.ensure_installed) == "table" then
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vim.list_extend(opts.ensure_installed, { "java" })
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end
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end,
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},
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-- Set up lsp with mfussenegger/nvim-jdtls instead of nvim-lspconfig.
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{
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"neovim/nvim-lspconfig",
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dependencies = { "folke/which-key.nvim", "mfussenegger/nvim-jdtls" },
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opts = {
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-- make sure mason installs the server
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servers = {
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jdtls = {
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-- stylua: ignore
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keys = {
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{ "<leader>co", function() require("jdtls").organize_imports() end, desc = "Organize Imports", },
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{ "<leader>cR", function() require("jdtls").rename_file() end, desc = "Rename File", },
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{ "<leader>cxv", function() require("jdtls").extract_variable() end, desc = "Extract Variable", },
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{ "<leader>cxv", function() require("jdtls").extract_variable({ visual = true }) end, mode = "v", desc = "Extract Variable", },
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{ "<leader>cxc", function() require("jdtls").extract_constant() end, desc = "Extract Constant", },
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{ "<leader>cxc", function() require("jdtls").extract_constant({ visual = true }) end, mode = "v", desc = "Extract Constant", },
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{ "<leader>cxm", function() require("jdtls").extract_method({ visual = true }) end, mode = "v", desc = "Extract Method", },
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},
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},
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},
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setup = {
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-- Override the default jdtls server startup to use nvim-jdtls.
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jdtls = function()
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-- The lspconfig configuration for jdtls contains two useful items:
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-- 1. The list of filetypes on which to match.
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-- 2. Custom method for finding the root for a java project.
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local lsp_config = require("lspconfig.server_configurations.jdtls").default_config
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local find_java_project_root = lsp_config.root_dir
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local filetypes = lsp_config.filetypes
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-- Attach jdtls for the proper filetypes (i.e. java).
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-- Existing server will be reused if the root_dir matches.
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vim.api.nvim_create_autocmd("FileType", {
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group = vim.api.nvim_create_augroup("MyJdtls", { clear = true }),
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pattern = filetypes,
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callback = function()
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local fname = vim.api.nvim_buf_get_name(0)
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local root_dir = find_java_project_root(fname)
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local project_name = root_dir and vim.fs.basename(root_dir)
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local cmd = { "jdtls" }
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if project_name then
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local jdtls_cache_dir = vim.fs.joinpath(vim.fn.stdpath("cache"), "jdtls", project_name)
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vim.list_extend(cmd, {
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"-configuration",
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vim.fs.joinpath(jdtls_cache_dir, "config"),
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"-data",
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vim.fs.joinpath(jdtls_cache_dir, "workspace"),
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})
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end
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require("jdtls").start_or_attach({
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cmd = cmd,
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root_dir = root_dir,
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})
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require("which-key").register({ c = { x = { name = "Extract" } } }, { prefix = "<leader>" })
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end,
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})
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return true -- avoid duplicate servers
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end,
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},
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},
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},
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}
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