128 lines
4.2 KiB
Lua
128 lines
4.2 KiB
Lua
local util = require 'lspconfig.util'
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local mavenrepo = util.path.join(vim.env.HOME, '.m2', 'repository', 'com', 'fujitsu')
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local function get_jar_path(config, package, version)
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return util.path.join(config.options.mavenrepo, package, version, package .. '-' .. version .. '.jar')
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end
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local function with_precision(version, is_high_precision)
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return is_high_precision and version:gsub('([%d.]+)', '%1-P') or version
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end
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local function get_latest_installed_version(repo)
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local path = util.path.join(repo, 'lsp')
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local sort = vim.fn.sort
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local subdirs = function(file)
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local stat = vim.loop.fs_stat(util.path.join(path, file))
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return stat.type == 'directory' and 1 or 0
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end
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local candidates = vim.fn.readdir(path, subdirs)
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local sorted = sort(sort(candidates, 'l'), 'N')
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return sorted[#sorted]
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end
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-- Special case, as vdmj store particular settings under root_dir/.vscode
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local function find_vscode_ancestor(startpath)
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return util.search_ancestors(startpath, function(path)
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if util.path.is_dir(util.path.join(path, '.vscode')) then
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return path
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end
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end)
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end
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return {
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default_config = {
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cmd = { 'java' },
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filetypes = { 'vdmsl', 'vdmpp', 'vdmrt' },
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root_dir = function(fname)
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return util.find_git_ancestor(fname) or find_vscode_ancestor(fname)
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end,
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options = {
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java = vim.env.JAVA_HOME and util.path.join(vim.env.JAVA_HOME, 'bin', 'java') or 'java',
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java_opts = { '-Xmx3000m', '-Xss1m' },
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annotation_paths = {},
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mavenrepo = mavenrepo,
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version = get_latest_installed_version(mavenrepo),
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logfile = util.path.join(vim.fn.stdpath 'cache', 'vdm-lsp.log'),
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debugger_port = -1,
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high_precision = false,
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},
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},
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docs = {
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description = [[
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https://github.com/nickbattle/vdmj
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The VDMJ language server can be installed by cloning the VDMJ repository and
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running `mvn clean install`.
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Various options are provided to configure the language server (see below). In
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particular:
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- `annotation_paths` is a list of folders and/or jar file paths for annotations
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that should be used with the language server;
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- any value of `debugger_port` less than zero will disable the debugger; note
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that if a non-zero value is used, only one instance of the server can be active
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at a time.
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More settings for VDMJ can be changed in a file called `vdmj.properties` under
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`root_dir/.vscode`. For a description of the available settings, see
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[Section 7 of the VDMJ User Guide](https://raw.githubusercontent.com/nickbattle/vdmj/master/vdmj/documentation/UserGuide.pdf).
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Note: proof obligations and combinatorial testing are not currently supported
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by neovim.
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]],
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default_config = {
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cmd = 'Generated from the options given',
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root_dir = 'util.find_git_ancestor(fname) or find_vscode_ancestor(fname)',
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options = {
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java = '$JAVA_HOME/bin/java',
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java_opts = { '-Xmx3000m', '-Xss1m' },
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annotation_paths = {},
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mavenrepo = '$HOME/.m2/repository/com/fujitsu',
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version = 'The latest version installed in `mavenrepo`',
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logfile = "path.join(vim.fn.stdpath 'cache', 'vdm-lsp.log')",
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debugger_port = -1,
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high_precision = false,
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},
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},
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},
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on_new_config = function(config, root_dir)
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local version = with_precision(
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config.options.version or get_latest_installed_version(config.options.mavenrepo),
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config.options.high_precision
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)
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local classpath = table.concat({
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get_jar_path(config, 'vdmj', version),
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get_jar_path(config, 'annotations', version),
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get_jar_path(config, 'lsp', version),
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util.path.join(root_dir, '.vscode'),
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unpack(config.options.annotation_paths),
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}, ':')
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local java_cmd = {
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config.options.java,
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config.options.java_opts,
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'-Dlsp.log.filename=' .. config.options.logfile,
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'-cp',
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classpath,
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}
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local dap = {}
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if config.options.debugger_port >= 0 then
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-- TODO: LS will fail to start if port is already in use
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dap = { '-dap', tostring(config.options.debugger_port) }
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end
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local vdmj_cmd = {
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'lsp.LSPServerStdio',
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'-' .. vim.bo.filetype,
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dap,
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}
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config.cmd = vim.tbl_flatten { java_cmd, vdmj_cmd }
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end,
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}
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