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lspce-langs.el
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lspce-langs.el
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;;; lspce.el --- LSP Client for Emacs -*- lexical-binding: t; -*-
(require 'f)
(eval-and-compile
(require 'lspce-util))
(eval-when-compile
(require 'cl-macs))
(declare-function lspce--request "lspce")
;;; rust rust-analyzer
(defun lspce-ra-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(lspce--add-option "diagnostics.enable" t options)
(lspce--add-option "enableExperimental" :json-false options)
(lspce--add-option "cargo.features" "all" options)
(lspce--add-option "cargo.noDefaultFeatures" :json-false options)
(lspce--add-option "cargo.runBuildScripts" t options)
(lspce--add-option "cargo.loadOutDirsFromCheck" t options)
(lspce--add-option "cargo.autoreload" t options)
(lspce--add-option "cargo.useRustcWrapperForBuildScripts" t options)
(lspce--add-option "completion.addCallParenthesis" t options)
(lspce--add-option "completion.addCallArgumentSnippets" t options)
(lspce--add-option "completion.postfix.enable" :json-false options)
(lspce--add-option "completion.autoimport.enable" t options)
(lspce--add-option "procMacro.enable" t options)
(lspce--add-option "lens.enable" :json-false options)))
;;; java jdtls
(defcustom lspce-jdtls-workspace-dir (expand-file-name "~/.jdtls/workspace/")
"jdtls workspace directory."
:group 'lspce
:type 'directory)
(defcustom lspce-java-vmargs '("--add-modules=ALL-SYSTEM"
"--add-opens java.base/java.util=ALL-UNNAMED"
"--add-opens java.base/java.lang=ALL-UNNAMED"
"-XX:+UseParallelGC"
"-XX:GCTimeRatio=4"
"-XX:AdaptiveSizePolicyWeight=90"
"-Dsun.zip.disableMemoryMapping=true"
"-Xmx1536m" )
"Specifies extra VM arguments used to launch the Java Language Server."
:group 'lspce
:risky t
:type '(repeat string))
;;;###autoload
(defcustom lspce-java-path "java"
"Path of the java executable."
:group 'lspce
:type 'string)
(defcustom lspce-jdtls-download-url
"https://download.eclipse.org/jdtls/snapshots/jdt-language-server-latest.tar.gz"
"URL to download the Eclipse JDT language server."
:type 'string
:group 'lspce)
(defcustom lspce-jdtls-install-dir nil
"Install directory for eclipse.jdt.ls-server."
:group 'lspce
:type 'directory)
(defcustom lspce-jdtls-launch-mode "Hybrid"
"The launch mode for the Java extension"
:group 'lspce
:type '(choice (:tag "Standard" "LightWeight" "Hybrid")))
(defcustom lspce-jdtls-completion-max-results 30
"The max number of completion results jdtls can return."
:type 'integer
:group 'lspce)
(declare-function tar-untar-buffer "tar-mode" ())
;;;###autoload
(defun lspce-install-jdtls-server ()
"Install the Eclipse JDT LSP server."
(interactive)
(let* ((dest-dir (expand-file-name lspce-jdtls-install-dir))
(dest-dir-bak (concat (string-trim-right dest-dir (f-path-separator))
".bak"
(format ".%s" (format-time-string "%Y%m%d%H%M%S"))))
(download-url lspce-jdtls-download-url)
(dest-filename (file-name-nondirectory download-url))
(dest-abspath (expand-file-name dest-filename dest-dir))
(large-file-warning-threshold nil))
(when (file-exists-p dest-dir)
(f-move dest-dir dest-dir-bak))
(f-mkdir-full-path dest-dir)
(lspce--message "Installing Eclipse JDT LSP server, please wait...")
(lspce--download-file download-url dest-abspath)
(lspce--message "Extracting Eclipse JDT LSP archive, please wait...")
(with-temp-buffer
(let ((temporary-buffer (find-file dest-abspath)))
(goto-char (point-min))
(tar-untar-buffer)
(kill-buffer temporary-buffer)))
(lspce--message "Eclipse JDT LSP server installed in folder \n\"%s\"." dest-dir)))
(defun lspce--jdtls-workspace-dir ()
(let ((proj (project-current))
workspace)
(lspce--ensure-dir lspce-jdtls-workspace-dir)
(setq workspace (if proj
(file-truename (project-root proj))
"DEFAULT"))
(f-join lspce-jdtls-workspace-dir (string-replace "/" "!" workspace))))
(defun lspce--jdtls-workspace-cache-dir ()
(let ((cache-dir (f-join (lspce--jdtls-workspace-dir) ".cache/")))
(lspce--ensure-dir cache-dir)
cache-dir))
(defun lspce--jdtls-locate-server-jar ()
"Return the jar file location of the language server.
The entry point of the language server is in
`lspce-jdtls-install-dir'/plugins/org.eclipse.equinox.launcher_`version'.jar."
(pcase (f-glob "org.eclipse.equinox.launcher_*.jar"
(expand-file-name "plugins" lspce-jdtls-install-dir))
(`(,single-entry) single-entry)
(`nil nil)
(server-jar-filenames
(error "Unable to find single point of entry %s" server-jar-filenames))))
(defun lspce--jdtls-locate-server-config ()
"Return the server config based on OS."
(let ((config (cond
((string-equal system-type "windows-nt") ; Microsoft Windows
"config_win")
((string-equal system-type "darwin") ; Mac OS X
"config_mac")
(t "config_linux"))))
(let ((inhibit-message t))
(message (format "using config for %s" config)))
(expand-file-name config lspce-jdtls-install-dir)))
(defun lspce-jdtls-cmd-args ()
(let ((server-jar (lspce--jdtls-locate-server-jar))
(server-config (lspce--jdtls-locate-server-config))
(data (lspce--jdtls-workspace-dir)))
(mapconcat #'identity `("-Declipse.application=org.eclipse.jdt.ls.core.id1"
"-Dosgi.bundles.defaultStartLevel=4"
"-Declipse.product=org.eclipse.jdt.ls.core.product"
"-Dlog.protocol=true"
"-Dlog.level=ALL"
,@lspce-java-vmargs
"-jar"
,server-jar
"-configuration"
,server-config
"-data"
,data
) " ")))
(defvar lspce--jdt-link-pattern "jdt://contents/\\(.*?\\)/\\(.*\\)\.class\\?")
(defun lspce--jdtls-get-jdt-filename (uri)
"Get the name of the buffer calculating it based on URL."
(or (save-match-data
(when (string-match lspce--jdt-link-pattern uri)
(format "%s.java"
(replace-regexp-in-string "/" "." (match-string 2 uri) t t))))
(save-match-data
(when (string-match
"jdt://.*?/\\(.*?\\)\\?=\\(.*?\\)/.*/\\(.*\\)"
(url-unhex-string uri))
(format "%s(%s)" (match-string 2 uri)
(string-replace "\\" ""
(string-replace "/" "" (match-string 4 uri))))))
(save-match-data
(when (string-match "chelib://\\(.*\\)" uri)
(let ((matched (match-string 1 uri)))
(replace-regexp-in-string (regexp-quote ".jar") "jar" matched t t))))
(error "Unable to match %s" uri)))
(defun lspce--jdtls-open-jdt-link (uri)
(let ((filename (lspce--jdtls-get-jdt-filename uri))
fullname content)
(when filename
(setq fullname (f-join (lspce--jdtls-workspace-cache-dir) filename))
;; FIXME use a cache to reduce requesting
(lspce--debug "jdt link uri %s" uri)
(setq content (lspce--request "java/classFileContents" (list :uri uri)))
(when content
(with-temp-file fullname
(erase-buffer)
(insert content))))
fullname))
(defun lspce-jdtls-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(lspce--add-option "settings.java.server.launchMode"
lspce-jdtls-launch-mode options)
(lspce--add-option "settings.java.completion.enabled" t options)
(lspce--add-option "settings.java.completion.maxResults"
(if (> lspce-jdtls-completion-max-results 0)
lspce-jdtls-completion-max-results
30)
options)
(lspce--add-option "settings.java.completion.importOrder"
(vector "java" "javax" "com" "org") options)
(lspce--add-option "settings.java.completion.guessMethodArguments"
t options)
(lspce--add-option "settings.java.signatureHelp.enabled" t options)
(lspce--add-option "settings.java.progressReports.enabled" t options)
(lspce--add-option "settings.java.foldingRange.enabled" :json-false options)
(lspce--add-option "settings.java.maxConcurrentBuilds" 1 options)
(lspce--add-option "settings.java.autobuild.enabled" t options)
(lspce--add-option "settings.java.import.maven.enabled" t options)
(lspce--add-option "settings.java.import.gradle.enabled" t options)
(lspce--add-option "settings.java.import.gradle.wrapper.enabled" t options)
(lspce--add-option "settings.java.import.gradle.offline.enabled" t options)
(lspce--add-option "settings.java.maven.downloadSources" t options)
(lspce--add-option "settings.java.maven.updateSnapshots" t options)
(lspce--add-option "settings.java.project.importHint" t options)
(lspce--add-option "settings.java.project.importOnFirstTimeStartup"
"automatic" options)
(lspce--add-option "settings.java.project.referecedLibraries"
(vector "lib/**/*.jar") options)
(lspce--add-option "settings.java.trace.server" "off" options)
(lspce--add-option "settings.java.configuration.updateBuildConfiguration"
"automatic" options)
(lspce--add-option "settings.java.configuration.checkProjectSettingsExclusions"
t options)
(lspce--add-option "settings.java.showBuildStatusOnStart.enabled" t options)
(lspce--add-option "extendedClientCapabilities.classFileContentsSupport"
t options)))
;;; python pylsp
(defun lspce-pylsp-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(lspce--add-option "pylsp.plugins.jedi_completion.include_params" t options)
(lspce--add-option "pylsp.plugins.jedi_completion.fuzzy" t options)
(when (boundp 'lspce-jedi-environment)
(lspce--add-option "pylsp.plugins.jedi.environment"
lspce-jedi-environment options))
(lspce--add-option "pylsp.plugins.pylint.enabled" :json-false options)
options))
;;; python jedi-language-server
(defun lspce-jedi-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(when (boundp 'lspce-jedi-environment)
(lspce--add-option "workspace.environmentPath"
lspce-jedi-environment options))
(lspce--add-option "completion.disableSnippets" :json-false options)
(lspce--add-option "completion.resolveEagerly" :json-false options)
(lspce--add-option "diagnostics.enable" t options)
(lspce--add-option "hover.enable" t options)
(lspce--add-option "jediSettings.caseInsensitiveCompletion" t options)
(lspce--add-option "jediSettings.debug" :json-false options)
(lspce--add-option "markupKindPreferred" "markdown" options)
options))
;;; go gopls
(defun lspce-gopls-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(lspce--add-option "settings.gopls.usePlaceholders" t options)))
;;; typescript deno
(defun lspce-deno-initializationOptions ()
(let ((options (make-hash-table :test #'equal)))
(lspce--add-option "enable" t options)
(lspce--add-option "lint" t options)
(lspce--add-option "unstable" :json-false options)
options))
(provide 'lspce-langs)