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|
local configs = require 'lspconfig/configs'
local util = require 'lspconfig/util'
local handlers = require 'vim.lsp.handlers'
local path = util.path
local server_name = "jdtls"
local function make_installer()
local install_dir = path.join { util.base_install_dir, server_name }
local tar_name = "jdt-language-server-latest.tar.gz"
local script = string.format([[
curl -LO http://download.eclipse.org/jdtls/snapshots/%s > %s
tar xf %s
]], tar_name, tar_name, tar_name)
local launcher_ls = "ls " .. path.join { install_dir, "plugins", "org.eclipse.equinox.launcher_*.jar" }
local X = {}
function X.install()
if not util.has_bins("curl", "tar") then
error('Need the binaries "curl", "tar" to install this.')
return
end
vim.fn.mkdir(install_dir, "p")
util.sh(script, install_dir)
end
function X.info()
return {
is_installed = util.path.exists(install_dir, 'features') ~= false;
install_dir = install_dir;
}
end
function X.get_os_config()
if vim.fn.has("osx") == 1 then
return "config_mac"
elseif vim.fn.has("unix") == 1 then
return "config_linux"
else
return "config_win"
end
end
function X.get_launcher()
local file = io.popen(launcher_ls)
local results = {}
for line in file:lines() do
table.insert(results, line)
end
if #results == 1 then
return results[1]
end
error("Could not find launcher for jdtls.")
end
function X.configure(config)
local install_info = X.info()
local launcher_path = X.get_launcher()
if install_info.is_installed then
config.cmd = vim.list_extend(
vim.list_extend(
{
"java",
"-Declipse.application=org.eclipse.jdt.ls.core.id1",
"-Dosgi.bundles.defaultStartLevel=4",
"-Declipse.product=org.eclipse.jdt.ls.core.product",
"-Dlog.level=ALL",
"-noverify",
"-Xmx1G",
},
config.init_options.jvm_args),
{
"-jar", launcher_path,
"-configuration", path.join { install_dir, config.init_options.os_config or X.get_os_config() },
"-data", config.init_options.workspace,
-- TODO: Handle Java versions 8 and under. This may just work...
"--add-modules=ALL-SYSTEM",
"--add-opens", "java.base/java.util=ALL-UNNAMED",
"--add-opens", "java.base/java.lang=ALL-UNNAMED"
})
end
end
return X
end
local installer = make_installer()
configs[server_name] = {
default_config = {
filetypes = { "java" };
root_dir = util.root_pattern('.git');
init_options = {
workspace = path.join { vim.loop.os_homedir(), "workspace" };
jvm_args = {};
os_config = nil;
};
handlers = {
-- Due to an invalid protocol implementation in the jdtls we have to
-- conform these to be spec compliant.
-- https://github.com/eclipse/eclipse.jdt.ls/issues/376
-- Command in org.eclipse.lsp5j -> https://github.com/eclipse/lsp4j/blob/master/org.eclipse.lsp4j/src/main/xtend-gen/org/eclipse/lsp4j/Command.java
-- CodeAction in org.eclipse.lsp4j -> https://github.com/eclipse/lsp4j/blob/master/org.eclipse.lsp4j/src/main/xtend-gen/org/eclipse/lsp4j/CodeAction.java
-- Command in LSP -> https://microsoft.github.io/language-server-protocol/specification#command
-- CodeAction in LSP -> https://microsoft.github.io/language-server-protocol/specification#textDocument_codeAction
['textDocument/codeAction'] = function(a, b, actions)
for _,action in ipairs(actions) do
-- TODO: (steelsojka) Handle more than one edit?
-- if command is string, then 'ation' is Command in java format,
-- then we add 'edit' property to change to CodeAction in LSP and 'edit' will be executed first
if action.command == 'java.apply.workspaceEdit' then
action.edit = action.edit or action.arguments[1]
-- if command is table, then 'action' is CodeAction in java format
-- then we add 'edit' property to change to CodeAction in LSP and 'edit' will be executed first
elseif type(action.command) == 'table' and action.command.command == 'java.apply.workspaceEdit' then
action.edit = action.edit or action.command.arguments[1]
end
end
handlers['textDocument/codeAction'](a, b, actions)
end
};
};
on_new_config = function(config)
installer.configure(config)
end;
docs = {
description = [[
https://projects.eclipse.org/projects/eclipse.jdt.ls
Language server can be installed with `:LspInstall jdtls`
Language server for Java.
]];
default_config = {
root_dir = [[root_pattern(".git")]];
};
};
}
configs[server_name].install = installer.install
configs[server_name].install_info = installer.info
|
