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lsp-fsharp.el
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lsp-fsharp.el
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;;; lsp-fsharp.el --- description -*- lexical-binding: t; -*-
;; Copyright (C) 2019 Reed Mullanix
;; Author: Reed Mullanix <[email protected]>
;; Keywords:
;; 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-fsharp client
;;; Code:
(require 'lsp-mode)
(defgroup lsp-fsharp nil
"LSP support for the F# Programming Language, using the FsharpAutoComplete server."
:link '(url-link "https://github.com/fsharp/FsAutoComplete")
:group 'lsp-mode
:package-version '(lsp-mode . "6.1"))
(defcustom lsp-fsharp-server-runtime 'net-core
"The .NET runtime to use."
:group 'lsp-fsharp
:type '(choice (const :tag "Use .Net Core" net-core)
(const :tag "Use Mono" mono)
(const :tag "Use .Net Framework" net-framework))
:package-version '(lsp-mode . "6.1"))
(defcustom lsp-fsharp-server-install-dir (f-join lsp-server-install-dir "fsautocomplete/")
"Install directory for fsautocomplete server.
The slash is expected at the end."
:group 'lsp-fsharp
:risky t
:type 'directory
:package-version '(lsp-mode . "6.1"))
(defcustom lsp-fsharp-server-download-url "https://ci.appveyor.com/api/projects/fsautocomplete/fsautocomplete/artifacts/bin/pkgs/fsautocomplete.netcore.zip?branch=master"
"Fsautocomplete download url.
To use the mono/.Net framework version, set this to \"https://ci.appveyor.com/api/projects/fsautocomplete/fsautocomplete/artifacts/bin/pkgs/fsautocomplete.zip?branch=master\""
:group 'lsp-fsharp
:risky t
:type 'string
:package-version '(lsp-mode . "6.1"))
(defcustom lsp-fsharp-server-args nil
"Extra arguments for the F# language server."
:type '(repeat string)
:group 'lsp-fsharp
:package-version '(lsp-mode . "6.1"))
(defcustom lsp-fsharp-keywords-autocomplete t
"Provides keywords in autocomplete list"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-external-autocomplete nil
"Provides autocompletion for symbols from not opened namespaces/modules; inserts open on accept"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-linter t
"Enables FSharpLint integration, provides additional warnings and code action fixes"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-union-case-stub-generation t
"Enablesa code action to generate pattern matching cases"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-union-case-stub-generation-body "failwith \"Not Implemented\""
"defines dummy body used by pattern matching generator"
:group 'lsp-fsharp
:type 'string
:risky t
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-record-stub-generation t
"Enables code action to generate record stub"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-record-stub-generation-body "failwith \"Not Implemented\""
"defines dummy body used by record stub generator"
:group 'lsp-fsharp
:type 'string
:risky t
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-interface-stub-generation t
"Enables code action to generate an interface stub"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-interface-stub-generation-object-identifier "this"
"Defines object identifier used by interface stub generator, e.g. `this' or `self'"
:group 'lsp-fsharp
:type 'string
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-interface-stub-generation-method-body "failwith \"Not Implemented\""
"Defines dummy body used by interface stub generator"
:group 'lsp-fsharp
:type 'string
:risky t
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-unused-opens-analyzer t
"Enables unused open detection"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-unused-declarations-analyzer t
"Enables unused symbol detection"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-simplify-name-analyzer nil
"Enables simplify name analyzer and remove redundant qualifier quick fix"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-resolve-namespaces t
"Enables resolve namespace quick fix; adds `open' if symbol is
from not yet opened module/namespace"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-enable-reference-code-lens t
"Enables reference count code lenses. It is recommended to
disable if `--backgorund-service-enabled' is not used"
:group 'lsp-fsharp
:type 'bool
:package-version '(lsp-mode . "6.2"))
(defcustom lsp-fsharp-auto-workspace-init nil
"Enable automatic workspace initialization. Do note that this
can cause unexpected or challenging behaviors, as solutions
with test projects are not autoloaded by FSharpAutoComplete."
:group 'lsp-fsharp
:type 'bool
:risky t)
(defun lsp-fsharp--fsac-runtime-cmd ()
"Get the command required to run fsautocomplete based off of the current runtime."
(pcase lsp-fsharp-server-runtime
('net-core "dotnet")
('mono "mono")
('net-framework nil)))
(defun lsp-fsharp--fsac-cmd ()
"The location of fsautocomplete executable."
(let ((file-ext (if (eq lsp-fsharp-server-runtime 'net-core)
".dll"
".exe")))
(expand-file-name (concat "fsautocomplete" file-ext) lsp-fsharp-server-install-dir)))
(defun lsp-fsharp--fsac-install (_client callback _error-callback _update?)
"Download the latest version of fsautocomplete and extract it to `lsp-fsharp-server-install-dir'."
(let* ((temp-file (make-temp-file "fsautocomplete" nil ".zip"))
(install-dir-full (expand-file-name lsp-fsharp-server-install-dir))
(unzip-script (cond ((executable-find "unzip") (format "mkdir -p %s && unzip -qq %s -d %s" install-dir-full temp-file install-dir-full))
((executable-find "powershell") (format "powershell -noprofile -noninteractive -nologo -ex bypass Expand-Archive -path '%s' -dest '%s'" temp-file install-dir-full))
(t (user-error (format "Unable to unzip server - file %s cannot be extracted, please extract it manually" temp-file))))))
(url-copy-file lsp-fsharp-server-download-url temp-file t)
(shell-command unzip-script)
(shell-command (format "%s %s --version" (lsp-fsharp--fsac-runtime-cmd) (lsp-fsharp--fsac-cmd)))
(funcall callback)))
(defun lsp-fsharp-update-fsac ()
"Update fsautocomplete to the latest version."
(interactive)
(-let [install-dir (f-expand lsp-fsharp-server-install-dir)]
(f-delete install-dir t)
(lsp-fsharp--fsac-install nil #'ignore #'lsp--error t)))
(defun lsp-fsharp--make-launch-cmd ()
"Build the command required to launch fsautocomplete."
(append (list (lsp-fsharp--fsac-runtime-cmd) (lsp-fsharp--fsac-cmd) "--background-service-enabled")
lsp-fsharp-server-args))
(defun lsp-fsharp--project-list ()
"Get the list of files we need to send to fsharp/workspaceLoad."
(let* ((response (lsp-request "fsharp/workspacePeek"
`(:directory ,(lsp-workspace-root)
:deep 10
:excludedDirs ["paket-files" ".git" "packages" "node_modules"])))
(data (json-read-from-string (ht-get response "content")))
(found (cdr (assq 'Found (cdr (assq 'Data data)))))
(directory (car (seq-filter (lambda (d) (equal "directory" (cdr (assq 'Type d)))) found))))
(cdr (assq 'Fsprojs (cdr (assq 'Data directory))))))
;;;###autoload
(defun lsp-fsharp--workspace-load (projects)
"Load all of the provided PROJECTS."
(lsp-request-async "fsharp/workspaceLoad"
`(:textDocuments ,(vconcat [] (mapcar (lambda (p) `(:uri ,p)) projects)))
(lambda (_)
(lsp--info "Workspace Loaded!"))))
(defvar lsp-fsharp--default-init-options (list)
"Default init options to be passed to FSharpAutoComplete,
updated conditionally by `lsp-fsharp--make-init-options'.")
(defun lsp-fsharp--make-init-options ()
"Init options for F#."
(-let [opts lsp-fsharp--default-init-options]
(if lsp-fsharp-auto-workspace-init
(push '(:AutomaticWorkspaceInit . t) opts)
opts)))
(lsp-register-custom-settings
`(("FSharp.KeywordsAutocomplete" lsp-fsharp-keywords-autocomplete t)
("FSharp.ExternalAutocomplete" lsp-fsharp-external-autocomplete t)
("FSharp.Linter" lsp-fsharp-linter t)
("FSharp.UnionCaseStubGeneration" lsp-fsharp-union-case-stub-generation t)
("FSharp.UnionCaseStubGenerationBody" lsp-fsharp-union-case-stub-generation-body)
("FSharp.RecordStubGeneration" lsp-fsharp-record-stub-generation t)
("FSharp.RecordStubGenerationBody" lsp-fsharp-record-stub-generation-body)
("FSharp.InterfaceStubGeneration" lsp-fsharp-interface-stub-generation t)
("FSharp.InterfaceStubGenerationObjectIdentifier" lsp-fsharp-interface-stub-generation-object-identifier)
("FSharp.InterfaceStubGenerationMethodBody" lsp-fsharp-interface-stub-generation-method-body)
("FSharp.UnusedOpensAnalyzer" lsp-fsharp-unused-opens-analyzer t)
("FSharp.UnusedDeclarationsAnalyzer" lsp-fsharp-unused-declarations-analyzer t)
("FSharp.SimplifyNameAnalyzer" lsp-fsharp-simplify-name-analyzer t)
("FSharp.ResolveNamespaces" lsp-fsharp-resolve-namespaces t)
("FSharp.EnableReferenceCodeLens" lsp-fsharp-enable-reference-code-lens t)))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection
#'lsp-fsharp--make-launch-cmd
(lambda () (f-exists? (lsp-fsharp--fsac-cmd))))
:major-modes '(fsharp-mode)
:notification-handlers (ht ("fsharp/notifyCancel" #'ignore)
("fsharp/notifyWorkspace" #'ignore)
("fsharp/fileParsed" #'ignore)
("fsharp/notifyWorkspacePeek" #'ignore))
:initialization-options 'lsp-fsharp--make-init-options
:initialized-fn (lambda (workspace)
(with-lsp-workspace workspace
;; Something needs to be calling lsp--set-configuration
(progn
(lsp--set-configuration
(lsp-configuration-section "fsharp"))
(lsp-fsharp--workspace-load
(lsp-fsharp--project-list)))))
:server-id 'fsac
:download-server-fn #'lsp-fsharp--fsac-install))
(provide 'lsp-fsharp)
;;; lsp-fsharp.el ends here