kitchen sink now don't support any version lower than 0.11.0 for lsp

- dap now works for java and c

after/ftplugin/java.lua

@@ -0,0 +1,158 @@
+local misc = require("core.misc")
+local map, auto = misc.map, misc.auto
+
+local jdtls = require("jdtls")
+local jdtls_install = vim.fs.joinpath(vim.fn.stdpath('data'),
+    "/mason/packages/jdtls")
+local java_dap_install = vim.fs.joinpath(vim.fn.stdpath('data'),
+    "/mason/packages/java-debug-adapter")
+
+-- make sure to check if things with 💀 need updating
+local config = {
+  cmd = {
+    "/usr/lib/jvm/openjdk21/bin/java", -- 💀
+    "-jar", vim.fn.glob(jdtls_install.."/plugins/org.eclipse.equinox.launcher_*.jar"), -- 💀
+    "-configuration", jdtls_install.."/config_linux",
+    "-data", vim.fn.stdpath("cache").."/nvim-jdtls",
+
+    "--add-modules=ALL-SYSTEM",
+    "--add-opens", "java.base/java.lang=ALL-UNNAMED",
+    "--add-opens", "java.base/java.util=ALL-UNNAMED",
+    "-Declipse.application=org.eclipse.jdt.ls.core.id1",
+    "-Declipse.product=org.eclipse.jdt.ls.core.product",
+    "-Dlog.level=ALL",
+    "-Dlog.protocol=true",
+    "-Dosgi.bundles.defaultStartLevel=4",
+    "-Xmx1G",
+  },
+
+  root_dir = vim.fs.dirname(vim.fs.find({
+    "gradlew",
+    ".git",
+    "mvnw",
+    "settings.gradle",     -- Gradle (multi-project)
+    "settings.gradle.kts", -- Gradle (multi-project)
+    "build.xml",           -- Ant
+    "pom.xml"              -- Maven
+  }, { upward = true })[1]),
+
+  on_attach = function(_, bufnr)
+    jdtls.setup.add_commands()
+
+    -- add some jdtls specific mappings
+    local opts = { buffer = bufnr }
+    map("n", "cri", jdtls.organize_imports, opts)
+    map("n", "crv", jdtls.extract_variable, opts)
+    map("n", "crc", jdtls.extract_constant, opts)
+    map("x", "crv", function() jdtls.extract_variable(true) end, opts)
+    map("x", "crc", function() jdtls.extract_constant(true) end, opts)
+    map("x", "crm", function() jdtls.extract_method(true) end, opts)
+
+    pcall(vim.lsp.codelens.refresh)
+    auto("BufWritePost", {
+      buffer = bufnr,
+      desc = "refresh codelens",
+      callback = function()
+        pcall(vim.lsp.codelens.refresh)
+      end
+    })
+
+    -- setup nvim-dap
+    require("dap").adapters.java = nil -- remove any old java adapters
+    jdtls.setup_dap({ hotcodereplace = "auto" })
+    require("jdtls.dap").setup_dap_main_class_configs()
+  end,
+
+  -- don"t print out status messages
+  handlers = {
+    ["language/status"] = function() end
+  },
+
+  init_options = {
+    bundles = {
+      vim.fs.joinpath(java_dap_install,
+        vim.fn.glob("/extension/server/com.microsoft.java.debug.plugin-*.jar",
+          true)
+      )
+    }
+  }
+}
+
+-- generate the path to the java file(s)
+---@type string|nil
+local cache_path = vim.fs.joinpath(vim.fn.stdpath("cache"), "/JavaVersion.class")
+---@type string|nil
+local src_path = vim.fs.joinpath(vim.fn.stdpath("config"), "/extras/JavaVersion.java")
+
+-- if either path is invalid
+if not cache_path or not src_path then
+  return
+end
+
+--- build a cache of the JavaVersion code
+local function build_cache()
+  -- check if we have javac
+  vim.system({ "javac" }, {}, function(out)
+    if out.code == 127 then
+      cache_path = nil
+      return
+    end
+
+    -- compile our code
+    vim.system({ "javac", src_path, "-d", vim.fn.stdpath("cache") }, {}, function(out)
+      if out.code ~= 0 then
+        cache_path = nil
+      end
+    end)
+  end)
+end
+
+-- check if we have a compiled version of JavaVersion
+local f, _ = io.open(cache_path, "r")
+if not f then -- if we don"t have a cache
+  build_cache()
+else
+  io.close(f)
+end
+
+local function version_check()
+  -- check the java version
+  local out = vim.system({
+    config.cmd[1], -- use the same java executable that the lsp will be using
+    (cache_path and "JavaVersion") or src_path
+  }, { cwd = vim.fn.stdpath("cache"), text = true }):wait()
+
+  -- parse the version information aquired
+  local v = vim.version.parse(out.stdout)
+
+  -- if there's an error, no version info, or the java version is
+  -- less than 21 stop the lsp from starting
+  if out.code ~= 0 then
+    vim.notify(string.format(
+      "java version check failed: exit code %s", out.code),
+      vim.log.levels.ERROR, { title = misc.appid })
+    vim.notify(string.format(
+      "%s", vim.inspect(out.stdout)),
+      vim.log.levels.ERROR, { title = misc.appid })
+    return false
+  elseif not v then
+    vim.notify("no java version info found", vim.log.levels.ERROR,
+      { title = misc.appid })
+    return false
+  elseif v.major < 21 then
+    vim.notify(string.format(
+      "java version %s < 21.0.0 Cannot run jdtls, bailing out",
+      v[1] .. "." .. v[2] .. "." .. v[3]),
+      vim.log.levels.ERROR, { title = misc.appid })
+    return false
+  end
+
+  return true
+end
+
+
+-- start the jdtls with dap!
+if not version_check() then
+  return
+end
+jdtls.start_or_attach(config)