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implement java module
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sjcobb
parent
c157e71ebc
commit
0df2afa520
1 changed files with 145 additions and 19 deletions
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@ -8,11 +8,60 @@
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inherit (lib.modules) mkIf mkMerge;
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inherit (lib.meta) getExe;
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inherit (lib.lists) isList;
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inherit (lib.types) either listOf package str;
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inherit (builtins) attrNames;
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inherit (lib.types) either listOf package str enum;
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inherit (lib.nvim.types) mkGrammarOption;
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inherit (lib.nvim.lua) expToLua;
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inherit (lib.nvim.attrsets) mapListToAttrs;
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inherit (lib.nvim.dag) entryBefore;
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inherit (lib.generators) mkLuaInline;
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cfg = config.vim.languages.java;
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defaultServers = ["jdtls"];
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servers = {
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jdtls = {
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enable = true;
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cmd =
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mkLuaInline
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/*
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lua
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*/
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''
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{
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'${getExe pkgs.jdt-language-server}',
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'-configuration',
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get_jdtls_config_dir(),
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'-data',
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get_jdtls_workspace_dir(),
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get_jdtls_jvm_args(),
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}
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'';
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filetypes = ["java"];
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root_markers = [
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# Multi-module projects
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".git"
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"build.gradle"
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"build.gradle.kts"
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# Single-module projects
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"build.xml" # Ant
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"pom.xml" # Maven
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"settings.gradle" # Gradle
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"settings.gradle.kts" # Gradle
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];
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init_options = {
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workspace = mkLuaInline "get_jdtls_workspace_dir()";
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jvm_args = {};
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os_config = mkLuaInline "nil";
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};
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handlers = {
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"textDocument/codeAction" = mkLuaInline "jdtls_on_textdocument_codeaction";
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"textDocument/rename" = mkLuaInline "jdtls_on_textdocument_rename";
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"workspace/applyEdit" = mkLuaInline "jdtls_on_workspace_applyedit";
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"language/status" = mkLuaInline "vim.schedule_wrap(jdtls_on_language_status)";
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};
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};
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};
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in {
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options.vim.languages.java = {
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enable = mkEnableOption "Java language support";
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@ -23,30 +72,107 @@ in {
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};
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lsp = {
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enable = mkEnableOption "Java LSP support (java-language-server)" // {default = config.vim.lsp.enable;};
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package = mkOption {
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description = "java language server package, or the command to run as a list of strings";
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example = ''[lib.getExe pkgs.jdt-language-server "-data" "~/.cache/jdtls/workspace"]'';
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type = either package (listOf str);
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default = pkgs.jdt-language-server;
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enable = mkEnableOption "Java LSP support" // {default = config.vim.lsp.enable;};
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servers = mkOption {
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description = "Java LSP server to use";
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type = listOf (enum (attrNames servers));
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default = defaultServers;
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};
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};
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};
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config = mkIf cfg.enable (mkMerge [
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(mkIf cfg.lsp.enable {
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vim.lsp.lspconfig.enable = true;
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vim.lsp.lspconfig.sources.jdtls = ''
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lspconfig.jdtls.setup {
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capabilities = capabilities,
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on_attach = default_on_attach,
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cmd = ${
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if isList cfg.lsp.package
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then expToLua cfg.lsp.package
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else ''{"${getExe cfg.lsp.package}", "-data", vim.fn.stdpath("cache").."/jdtls/workspace"}''
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},
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}
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'';
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vim.luaConfigRC.java-stuff =
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entryBefore ["lsp-servers"]
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/*
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lua
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*/
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''
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local jdtls_handlers = require 'vim.lsp.handlers'
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local jdtls_env = {
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HOME = vim.uv.os_homedir(),
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XDG_CACHE_HOME = os.getenv 'XDG_CACHE_HOME',
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JDTLS_JVM_ARGS = os.getenv 'JDTLS_JVM_ARGS',
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}
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local function get_cache_dir()
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return jdtls_env.XDG_CACHE_HOME and jdtls_env.XDG_CACHE_HOME or jdtls_env.HOME .. '/.cache'
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end
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local function get_jdtls_cache_dir()
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return get_cache_dir() .. '/jdtls'
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end
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local function get_jdtls_config_dir()
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return get_jdtls_cache_dir() .. '/config'
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end
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local function get_jdtls_workspace_dir()
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return get_jdtls_cache_dir() .. '/workspace'
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end
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local function get_jdtls_jvm_args()
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local args = {}
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for a in string.gmatch((jdtls_env.JDTLS_JVM_ARGS or '''), '%S+') do
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local arg = string.format('--jvm-arg=%s', a)
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table.insert(args, arg)
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end
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return unpack(args)
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end
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-- TextDocument version is reported as 0, override with nil so that
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-- the client doesn't think the document is newer and refuses to update
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-- See: https://github.com/eclipse/eclipse.jdt.ls/issues/1695
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local function jdtls_fix_zero_version(workspace_edit)
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if workspace_edit and workspace_edit.documentChanges then
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for _, change in pairs(workspace_edit.documentChanges) do
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local text_document = change.textDocument
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if text_document and text_document.version and text_document.version == 0 then
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text_document.version = nil
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end
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end
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end
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return workspace_edit
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end
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local function jdtls_on_textdocument_codeaction(err, actions, ctx)
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for _, action in ipairs(actions) do
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-- TODO: (steelsojka) Handle more than one edit?
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if action.command == 'java.apply.workspaceEdit' then -- 'action' is Command in java format
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action.edit = jdtls_fix_zero_version(action.edit or action.arguments[1])
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elseif type(action.command) == 'table' and action.command.command == 'java.apply.workspaceEdit' then -- 'action' is CodeAction in java format
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action.edit = jdtls_fix_zero_version(action.edit or action.command.arguments[1])
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end
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end
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jdtls_handlers[ctx.method](err, actions, ctx)
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end
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local function jdtls_on_textdocument_rename(err, workspace_edit, ctx)
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jdtls_handlers[ctx.method](err, jdtls_fix_zero_version(workspace_edit), ctx)
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end
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local function jdtls_on_workspace_applyedit(err, workspace_edit, ctx)
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jdtls_handlers[ctx.method](err, jdtls_fix_zero_version(workspace_edit), ctx)
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end
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-- Non-standard notification that can be used to display progress
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local function jdtls_on_language_status(_, result)
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local command = vim.api.nvim_command
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command 'echohl ModeMsg'
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command(string.format('echo "%s"', result.message))
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command 'echohl None'
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end
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'';
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vim.lsp.servers =
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mapListToAttrs (n: {
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name = n;
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value = servers.${n};
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})
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cfg.lsp.servers;
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})
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(mkIf cfg.treesitter.enable {
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