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;;; lsp-elixir.el --- description -*- lexical-binding: t; -*-
;; Copyright (C) 2021 emacs-lsp maintainers
;; Author: emacs-lsp maintainers
;; Keywords: lsp, elixir
;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; LSP Clients for the Elixir Programming Language.
;;; Code:
(require 'lsp-mode)
(require 'ht)
(defcustom lsp-elixir-dialyzer-enabled t
"Run ElixirLS's rapid Dialyzer when code is saved."
:type 'boolean
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-dialyzer-warn-opts '()
"Dialyzer options to enable or disable warnings.
See Dialyzer's documentation for options. Note that the \"race_conditions\"
option is unsupported"
:type '(repeat string)
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-dialyzer-format "dialyxir_long"
"Formatter to use for Dialyzer warnings."
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-mix-env "test"
"Mix environment to use for compilation."
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-mix-target nil
"Mix target to use for compilation (requires Elixir >= 1.8)."
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-project-dir nil
"Subdirectory containing Mix project if not in the project root.
If value is `\"\"` then defaults to the workspace rootUri."
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-fetch-deps t
"Automatically fetch project dependencies when compiling."
:type 'boolean
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-suggest-specs t
"Suggest @spec annotations inline using Dialyzer's inferred success typings.
This requires Dialyzer."
:type 'boolean
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-signature-after-complete t
"Show signature help after confirming autocomplete."
:type 'boolean
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defgroup lsp-elixir nil
"LSP support for Elixir, using elixir-ls."
:group 'lsp-mode
:link '(url-link "https://github.com/elixir-lsp/elixir-ls"))
(define-obsolete-variable-alias 'lsp-clients-elixir-server-executable 'lsp-elixir-server-command "2021-04-05")
(defcustom lsp-elixir-server-command
(if (equal system-type 'windows-nt)
'("language_server.bat")
'("language_server.sh"))
"Command to start elixir-ls.
Leave as default to let `executable-find' search for it."
:group 'lsp-elixir
:type '(repeat string)
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-ls-version "v0.9.0"
"Elixir-Ls version to download.
It has to be set before `lsp-elixir.el' is loaded and it has to
be available here: https://github.com/elixir-lsp/elixir-ls/releases/"
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.1"))
(defcustom lsp-elixir-ls-download-url
(format "https://github.com/elixir-lsp/elixir-ls/releases/download/%s/elixir-ls.zip"
lsp-elixir-ls-version)
"Automatic download url for elixir-ls"
:type 'string
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.1"))
(defconst lsp-elixir-ls-server-dir
(f-join lsp-server-install-dir "elixir-ls")
"Elixir-ls local server Directory.")
(defcustom lsp-elixir-local-server-command
(f-join lsp-elixir-ls-server-dir
(cl-first lsp-elixir-server-command))
"Command to start local elixir-ls binary."
:group 'lsp-elixir
:type '(repeat string)
:package-version '(lsp-mode . "8.0.0"))
(defcustom lsp-elixir-enable-test-lenses t
"Suggest Tests."
:type 'boolean
:group 'lsp-elixir
:package-version '(lsp-mode . "8.0.0"))
(defun lsp-elixir--build-test-command (argument)
"Builds the test command from the ARGUMENT."
(let ((test-name (lsp-get argument :testName))
(module (lsp-get argument :module))
(describe (lsp-get argument :describe)))
(cond (module (concat "\"" "module:" module "\""))
((not test-name) (concat "\"" "describe:" describe "\""))
(describe (concat "\"" "test:test " describe " " test-name "\"" ))
(t (concat "\"" "test:test " test-name "\"" )))))
(lsp-defun lsp-elixir--run-test ((&Command :arguments?))
"Runs tests."
(let* ((argument (lsp-seq-first arguments?))
(file-path (lsp-get argument :filePath))
(test-command (lsp-elixir--build-test-command argument)))
(compile
(concat "cd " (lsp-workspace-root file-path) " && "
"mix test --exclude test --include " test-command " " file-path
" --no-color"))
file-path))
(lsp-dependency
'elixir-ls
`(:download :url lsp-elixir-ls-download-url
:decompress :zip
:store-path ,(f-join lsp-server-install-dir "elixir-ls" "elixir-ls.zip")
:binary-path lsp-elixir-server-command
:set-executable? t))
(lsp-register-custom-settings
'(("elixirLS.dialyzerEnabled" lsp-elixir-dialyzer-enabled t)
("elixirLS.dialyzerWarnOpts" lsp-elixir-dialyzer-warn-opts)
("elixirLS.dialyzerFormat" lsp-elixir-dialyzer-format)
("elixirLS.mixEnv" lsp-elixir-mix-env)
("elixirLS.mixTarget" lsp-elixir-mix-target)
("elixirLS.projectDir" lsp-elixir-project-dir)
("elixirLS.fetchDeps" lsp-elixir-fetch-deps t)
("elixirLS.suggestSpecs" lsp-elixir-suggest-specs t)
("elixirLS.signatureAfterComplete" lsp-elixir-signature-after-complete t)
("elixirLS.enableTestLenses" lsp-elixir-enable-test-lenses t)))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection
(lambda ()
`(,(or (when (f-exists? lsp-elixir-local-server-command)
lsp-elixir-local-server-command)
(or (executable-find
(cl-first lsp-elixir-server-command))
(lsp-package-path 'elixir-ls))
"language_server.bat")
,@(cl-rest lsp-elixir-server-command))))
:major-modes '(elixir-mode)
:priority -1
:server-id 'elixir-ls
:action-handlers (ht ("elixir.lens.test.run" 'lsp-elixir--run-test))
:download-server-fn (lambda (_client callback error-callback _update?)
(lsp-package-ensure 'elixir-ls callback error-callback))
:initialized-fn (lambda (workspace)
(with-lsp-workspace workspace
(lsp--set-configuration
(lsp-configuration-section "elixirLS")))
(puthash
"textDocumentSync"
(ht ("save" t)
("change" 2))
(lsp--workspace-server-capabilities workspace)))))
(lsp-consistency-check lsp-elixir)
(provide 'lsp-elixir)
;;; lsp-elixir.el ends here
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