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cider.el
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;;; cider.el --- Clojure Interactive Development Environment that Rocks -*- lexical-binding: t -*-
;; Copyright © 2012-2025 Tim King, Phil Hagelberg, Bozhidar Batsov
;; Copyright © 2013-2025 Bozhidar Batsov, Artur Malabarba and CIDER contributors
;;
;; Author: Tim King <[email protected]>
;; Phil Hagelberg <[email protected]>
;; Bozhidar Batsov <[email protected]>
;; Artur Malabarba <[email protected]>
;; Hugo Duncan <[email protected]>
;; Steve Purcell <[email protected]>
;; Maintainer: Bozhidar Batsov <[email protected]>
;; URL: https://www.github.com/clojure-emacs/cider
;; Version: 1.18.0-snapshot
;; Package-Requires: ((emacs "27") (clojure-mode "5.19") (parseedn "1.2.1") (queue "0.2") (spinner "1.7") (seq "2.22") (sesman "0.3.2") (transient "0.4.1"))
;; Keywords: languages, clojure, cider
;; 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 <http://www.gnu.org/licenses/>.
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Provides a Clojure interactive development environment for Emacs, built on
;; top of nREPL. See https://docs.cider.mx for more details.
;;; Installation:
;; CIDER is available as a package in melpa.org and stable.melpa.org. First, make sure you've
;; enabled one of the repositories in your Emacs config:
;; (add-to-list 'package-archives
;; '("melpa" . "https://melpa.org/packages/"))
;;
;; or
;;
;; (add-to-list 'package-archives
;; '("melpa-stable" . "https://stable.melpa.org/packages/") t)
;; Afterwards, installing CIDER is as easy as:
;; M-x package-install cider
;;; Usage:
;; You can start CIDER with one of the following commands:
;; M-x cider-jack-in-clj
;; M-x cider-jack-in-cljs
;;
;; M-x cider-connect-sibling-clj
;; M-x cider-connect-sibling-cljs
;;
;; M-x cider-connect-clj
;; M-x cider-connect-cljs
;;; Code:
(defgroup cider nil
"Clojure Interactive Development Environment that Rocks."
:prefix "cider-"
:group 'applications
:link '(url-link :tag "GitHub" "https://github.com/clojure-emacs/cider")
:link '(url-link :tag "Homepage" "https://cider.mx")
:link '(url-link :tag "Documentation" "https://docs.cider.mx")
:link '(emacs-commentary-link :tag "Commentary" "cider"))
(require 'cider-client)
(require 'cider-eldoc)
(require 'cider-repl)
(require 'cider-repl-history)
(require 'cider-connection)
(require 'cider-mode)
(require 'cider-common)
(require 'cider-debug)
(require 'cider-util)
(require 'cl-lib)
(require 'tramp-sh)
(require 'subr-x)
(require 'seq)
(require 'sesman)
(require 'package)
(defconst cider-version "1.18.0-snapshot"
"The current version of CIDER.")
(defconst cider-codename "Cologne"
"Codename used to denote stable releases.")
(defcustom cider-lein-command
"lein"
"The command used to execute Leiningen."
:type 'string)
(defcustom cider-lein-global-options
nil
"Command global options used to execute Leiningen (e.g.: -o for offline)."
:type 'string
:safe #'stringp)
(defcustom cider-lein-parameters
"repl :headless :host localhost"
"Params passed to Leiningen to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp)
(defcustom cider-boot-command
"boot"
"The command used to execute Boot."
:type 'string
:package-version '(cider . "0.9.0"))
(defcustom cider-boot-global-options
nil
"Command global options used to execute Boot (e.g.: -c for checkouts)."
:type 'string
:safe #'stringp
:package-version '(cider . "0.14.0"))
(defcustom cider-boot-parameters
"repl -s -b localhost wait"
"Params passed to boot to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "0.9.0"))
(defcustom cider-clojure-cli-command
(if (and (eq system-type 'windows-nt)
(null (executable-find "clojure")))
"powershell"
"clojure")
"The command used to execute clojure with tools.deps.
Don't use clj here, as it doesn't work when spawned from Emacs due to it
using rlwrap. If on Windows and no \"clojure\" executable is found we
default to \"powershell\"."
:type 'string
:safe #'stringp
:package-version '(cider . "0.17.0"))
(defcustom cider-clojure-cli-global-options
nil
"Command line options used to execute clojure with tools.deps."
:type 'string
:safe #'stringp
:package-version '(cider . "0.17.0"))
(defcustom cider-clojure-cli-parameters
nil
"Params passed to clojure cli to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "1.8.0"))
(defcustom cider-clojure-cli-aliases
nil
"A list of aliases to include when using the clojure cli.
Alias names should be of the form \":foo:bar\".
Leading \"-A\" \"-M\" \"-T\" or \"-X\" are stripped from aliases
then concatenated into the \"-M[your-aliases]:cider/nrepl\" form."
:type 'string
:safe #'stringp
:package-version '(cider . "1.1"))
(defcustom cider-clojure-cli-global-aliases
nil
"Global aliases to include when jacking in with the clojure CLI.
This value should be a string of the form \":foo:bar\", and
will be prepended to the value of `cider-clojure-cli-aliases'.
Alias names should be of the form \":foo:bar\".
Leading \"-A\" \"-M\" \"-T\" or \"-X\" are stripped from aliases
then concatenated into the \"-M[your-aliases]:cider/nrepl\" form."
:type 'string
:safe #'stringp
:package-version '(cider . "1.14"))
(defcustom cider-shadow-cljs-command
"npx shadow-cljs"
"The command used to execute shadow-cljs.
By default we favor the project-specific shadow-cljs over the system-wide."
:type 'string
:safe #'stringp
:package-version '(cider . "0.17.0"))
(defcustom cider-shadow-cljs-global-options
""
"Command line options used to execute shadow-cljs (e.g.: -v for verbose mode)."
:type 'string
:safe #'stringp
:package-version '(cider . "0.17.0"))
(defcustom cider-shadow-cljs-parameters
"server"
"Params passed to shadow-cljs to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "0.17.0"))
(defcustom cider-gradle-command
"./gradlew"
"The command used to execute Gradle."
:type 'string
:safe #'stringp
:package-version '(cider . "0.10.0"))
(defcustom cider-gradle-global-options
""
"Command line options used to execute Gradle (e.g.: -m for dry run)."
:type 'string
:safe #'stringp
:package-version '(cider . "0.14.0"))
(defcustom cider-gradle-parameters
"clojureRepl"
"Params passed to gradle to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "0.10.0"))
(defcustom cider-babashka-command
"bb"
"The command used to execute Babashka."
:type 'string
:safe #'stringp
:package-version '(cider . "1.2.0"))
(defcustom cider-babashka-global-options
nil
"Command line options used to execute Babashka."
:type 'string
:safe #'stringp
:package-version '(cider . "1.2.0"))
(defcustom cider-babashka-parameters
"nrepl-server localhost:0"
"Params passed to babashka to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "1.2.0"))
(defcustom cider-nbb-command
"nbb"
"The command used to execute nbb."
:type 'string
:safe #'stringp
:package-version '(cider . "1.6.0"))
(defcustom cider-nbb-global-options
nil
"Command line options used to execute nbb."
:type 'string
:safe #'stringp
:package-version '(cider . "1.6.0"))
(defcustom cider-nbb-parameters
"nrepl-server"
"Params passed to nbb to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "1.6.0"))
(defcustom cider-basilisp-command
"basilisp"
"The command used to execute Basilisp.
If Basilisp is installed in a virtual environment, update this to the
full path of the Basilisp executable within that virtual environment."
:type 'string
:safe #'stringp
:package-version '(cider . "1.14.0"))
(defcustom cider-basilisp-parameters
"nrepl-server"
"Params passed to Basilisp to start an nREPL server via `cider-jack-in'."
:type 'string
:safe #'stringp
:package-version '(cider . "1.14.0"))
(make-obsolete-variable 'cider-lein-global-options 'cider-lein-parameters "1.8.0")
(make-obsolete-variable 'cider-boot-command nil "1.8.0")
(make-obsolete-variable 'cider-boot-parameters nil "1.8.0")
(make-obsolete-variable 'cider-boot-global-options nil "1.8.0")
(make-obsolete-variable 'cider-clojure-cli-global-options 'cider-clojure-cli-parameters "1.8.0")
(make-obsolete-variable 'cider-shadow-cljs-global-options 'cider-shadow-cljs-parameters "1.8.0")
(make-obsolete-variable 'cider-gradle-global-options 'cider-gradle-parameters "1.8.0")
(make-obsolete-variable 'cider-babashka-global-options 'cider-babashka-parameters "1.8.0")
(make-obsolete-variable 'cider-nbb-global-options 'cider-nbb-parameters "1.8.0")
(defcustom cider-jack-in-default
(if (executable-find "clojure") 'clojure-cli 'lein)
"The default tool to use when doing `cider-jack-in' outside a project.
This value will only be consulted when no identifying file types, i.e.
project.clj for leiningen or deps.edn for clojure-cli, could be found.
As the Clojure CLI is bundled with Clojure itself, it's the default.
In the absence of the Clojure CLI (e.g. on Windows), we fallback
to Leiningen."
:type '(choice (const lein)
(const boot)
(const clojure-cli)
(const shadow-cljs)
(const gradle)
(const babashka)
(const nbb)
(const basilisp))
:safe #'symbolp
:package-version '(cider . "0.9.0"))
(defcustom cider-preferred-build-tool
nil
"Allow choosing a build system when there are many.
When there are project markers from multiple build systems (e.g. lein and
clojure-cli) the user is prompted to select one of them. When non-nil, this
variable will suppress this behavior and will select whatever build system
is indicated by the variable if present. Note, this is only when CIDER
cannot decide which of many build systems to use and will never override a
command when there is no ambiguity."
:type '(choice (const lein)
(const boot)
(const clojure-cli)
(const shadow-cljs)
(const gradle)
(const babashka)
(const nbb)
(const basilisp)
(const :tag "Always ask" nil))
:safe #'symbolp
:package-version '(cider . "0.13.0"))
(defcustom cider-allow-jack-in-without-project 'warn
"Controls what happens when doing `cider-jack-in' outside a project.
When set to 'warn you'd prompted to confirm the command.
When set to t `cider-jack-in' will quietly continue.
When set to nil `cider-jack-in' will fail."
:type '(choice (const :tag "always" t)
(const warn)
(const :tag "never" nil))
:safe #'symbolp
:package-version '(cider . "0.15.0"))
(defcustom cider-known-endpoints nil
"A list of connection endpoints where each endpoint is a list.
For example: \\='((\"label\" \"host\" \"port\")).
The label is optional so that \\='(\"host\" \"port\") will suffice.
This variable is used by `cider-connect'."
:type '(repeat (list (string :tag "label")
(string :tag "host")
(string :tag "port"))))
(defcustom cider-connected-hook nil
"List of functions to call when connected to Clojure nREPL server."
:type 'hook
:package-version '(cider . "0.9.0"))
(defcustom cider-disconnected-hook nil
"List of functions to call when disconnected from the Clojure nREPL server."
:type 'hook
:package-version '(cider . "0.9.0"))
(defcustom cider-inject-dependencies-at-jack-in t
"When nil, do not inject repl dependencies at `cider-jack-in' time.
The repl dependendcies are most likely to be nREPL middlewares."
:type 'boolean
:safe #'booleanp
:version '(cider . "0.11.0"))
(defcustom cider-enable-nrepl-jvmti-agent nil
"When t, add `-Djdk.attach.allowAttachSelf' to the command line arguments.
This allows nREPL JVMTI agent to be loaded. It is needed for evaluation
interruption to properly work on Java 21 and above."
:type 'boolean
:safe #'booleanp
:version '(cider . "1.15.0"))
(defcustom cider-offer-to-open-cljs-app-in-browser t
"When nil, do not offer to open ClojureScript apps in a browser on connect."
:type 'boolean
:safe #'booleanp
:version '(cider . "0.15.0"))
(defvar cider-ps-running-lein-nrepls-command "ps u | grep leiningen"
"Process snapshot command used in `cider-locate-running-nrepl-ports'.")
(defvar cider-ps-running-lein-nrepl-path-regexp-list
'("\\(?:leiningen.original.pwd=\\)\\(.+?\\) -D"
"\\(?:-classpath +:?\\(.+?\\)/self-installs\\)")
"Regexp list to get project paths.
Extract project paths from output of `cider-ps-running-lein-nrepls-command'.
Sub-match 1 must be the project path.")
(defvar cider-host-history nil
"Completion history for connection hosts.")
(defvar cider-jack-in-universal-options
'((clojure-cli (:prefix-arg 1 :cmd (:jack-in-type clj :project-type clojure-cli :edit-project-dir t)))
(lein (:prefix-arg 2 :cmd (:jack-in-type clj :project-type lein :edit-project-dir t)))
(babashka (:prefix-arg 3 :cmd (:jack-in-type clj :project-type babashka :edit-project-dir t)))
(nbb (:prefix-arg 4 :cmd (:jack-in-type cljs :project-type nbb :cljs-repl-type nbb :edit-project-dir t)))
(basilisp (:prefix-arg 5 :cmd (:jack-in-type clj :project-type basilisp :edit-project-dir t))))
"The list of project tools that are supported by the universal jack in command.
Each item in the list consists of the tool name and its plist options.
The plist supports the following keys
- :prefix-arg the numerical prefix arg to use to jack in to the tool.
- :cmd a plist of instructions how to invoke the jack in command, with keys
- :jack-in-type 'clj to start a clj repl and 'cljs for a cljs repl.
- &rest the same set of params supported by the `cider-jack-in-clj' and
`cider-jack-in-cljs' commands.")
;;;###autoload
(defun cider-version ()
"Display CIDER's version."
(interactive)
(message "CIDER %s" (cider--version)))
(defun cider-jack-in-command (project-type)
"Determine the command `cider-jack-in' needs to invoke for the PROJECT-TYPE."
(pcase project-type
('lein cider-lein-command)
('clojure-cli cider-clojure-cli-command)
('babashka cider-babashka-command)
('shadow-cljs cider-shadow-cljs-command)
('gradle cider-gradle-command)
('nbb cider-nbb-command)
('basilisp cider-basilisp-command)
(_ (user-error "Unsupported project type `%S'" project-type))))
(defcustom cider-enrich-classpath nil
"If t, use enrich-classpath for adding sources/javadocs to the classpath.
enrich-classpath is a Clojure CLI shim, and Leiningen plugin.
This classpath expansion is done in a clean manner,
without interfering with classloaders."
:type 'boolean
:package-version '(cider . "1.2.0")
:safe #'booleanp)
(defun cider--get-enrich-classpath-lein-script ()
"Returns the location of enrich-classpath's lein.sh wrapper script."
(when-let ((cider-location (locate-library "cider.el" t)))
(concat (file-name-directory cider-location)
"lein.sh")))
(defun cider--get-enrich-classpath-clojure-cli-script ()
"Returns the location of enrich-classpath's clojure.sh wrapper script."
(when-let ((cider-location (locate-library "cider.el" t)))
(concat (file-name-directory cider-location)
"clojure.sh")))
(defun cider-jack-in-resolve-command (project-type)
"Determine the resolved file path to `cider-jack-in-command'.
Throws an error if PROJECT-TYPE is unknown."
(pcase project-type
('lein (let ((r (cider--resolve-command cider-lein-command)))
(if (and cider-enrich-classpath
(not (eq system-type 'windows-nt))
(executable-find (cider--get-enrich-classpath-lein-script)))
(concat "bash " ;; don't assume lein.sh is executable - MELPA might change that
(cider--get-enrich-classpath-lein-script)
" "
r)
r)))
('clojure-cli (if (and cider-enrich-classpath
(not (eq system-type 'windows-nt))
(executable-find (cider--get-enrich-classpath-clojure-cli-script)))
(concat "bash " ;; don't assume clojure.sh is executable - MELPA might change that
(cider--get-enrich-classpath-clojure-cli-script)
" "
(cider--resolve-command cider-clojure-cli-command))
(cider--resolve-command cider-clojure-cli-command)))
('babashka (cider--resolve-command cider-babashka-command))
;; here we have to account for the possibility that the command is either
;; "npx shadow-cljs" or just "shadow-cljs"
('shadow-cljs (let ((parts (split-string cider-shadow-cljs-command)))
(when-let* ((command (cider--resolve-command (car parts))))
(mapconcat #'identity (cons command (cdr parts)) " "))))
;; TODO: Address the duplicated code below.
;; here we have to account for the possibility that the command is either
;; "nbb" (default) or "npx nbb".
('nbb (let ((parts (split-string cider-nbb-command)))
(when-let* ((command (cider--resolve-command (car parts))))
(mapconcat #'identity (cons command (cdr parts)) " "))))
;; here we have to account for use of the Gradle wrapper which is
;; a shell script within their project, so if they have a clearly
;; relative path like "./gradlew" use locate file instead of checking
;; the exec-path
('gradle (cider--resolve-project-command cider-gradle-command))
('basilisp (cider--resolve-command cider-basilisp-command))
(_ (user-error "Unsupported project type `%S'" project-type))))
(defun cider-jack-in-global-options (project-type)
"Determine the command line options for `cider-jack-in' for the PROJECT-TYPE."
(pcase project-type
('lein cider-lein-global-options)
('clojure-cli cider-clojure-cli-global-options)
('babashka cider-babashka-global-options)
('shadow-cljs cider-shadow-cljs-global-options)
('gradle cider-gradle-global-options)
('nbb cider-nbb-global-options)
('basilisp nil)
(_ (user-error "Unsupported project type `%S'" project-type))))
(defun cider-jack-in-params (project-type)
"Determine the commands params for `cider-jack-in' for the PROJECT-TYPE."
;; The format of these command-line strings must consider different shells,
;; different values of IFS, and the possibility that they'll be run remotely
;; (e.g. with TRAMP). Using `", "` causes problems with TRAMP, for example.
;; Please be careful when changing them.
(pcase project-type
('lein cider-lein-parameters)
('clojure-cli cider-clojure-cli-parameters)
('babashka cider-babashka-parameters)
('shadow-cljs cider-shadow-cljs-parameters)
('gradle cider-gradle-parameters)
('nbb cider-nbb-parameters)
('basilisp cider-basilisp-parameters)
(_ (user-error "Unsupported project type `%S'" project-type))))
;;; Jack-in dependencies injection
(defvar cider-jack-in-dependencies nil
"List of dependencies where elements are lists of artifact name and version.")
(put 'cider-jack-in-dependencies 'risky-local-variable t)
(defcustom cider-injected-nrepl-version "1.3.1"
"The version of nREPL injected on jack-in.
We inject the newest known version of nREPL just in case
your version of Leiningen is bundling an older one."
:type 'string
:package-version '(cider . "1.2.0")
:safe #'stringp)
(defvar cider-jack-in-cljs-dependencies nil
"List of dependencies where elements are lists of artifact name and version.
Added to `cider-jack-in-dependencies' when doing `cider-jack-in-cljs'.")
(put 'cider-jack-in-cljs-dependencies 'risky-local-variable t)
(cider-add-to-alist 'cider-jack-in-cljs-dependencies "cider/piggieback" "0.5.3")
(defvar cider-jack-in-dependencies-exclusions nil
"List of exclusions for jack in dependencies.
Elements of the list are artifact name and list of exclusions to apply for
the artifact.")
(put 'cider-jack-in-dependencies-exclusions 'risky-local-variable t)
(defconst cider-clojure-artifact-id "org.clojure/clojure"
"Artifact identifier for Clojure.")
(defconst cider-minimum-clojure-version "1.10.0"
"Minimum supported version of Clojure.")
(defconst cider-latest-clojure-version "1.11.3"
"Latest (newest) version of Clojure.
Used when `cider-jack-in-auto-inject-clojure' is set to `latest'.")
(defconst cider-required-middleware-version "0.55.1"
"The CIDER nREPL version that's known to work properly with CIDER.")
(defcustom cider-injected-middleware-version cider-required-middleware-version
"The version of cider-nrepl injected on jack-in.
Should be newer than the required version for optimal results."
:type 'string
:package-version '(cider . "1.2.0")
:safe #'stringp)
(defcustom cider-jack-in-auto-inject-clojure nil
"Version of clojure to auto-inject into REPL.
If nil, do not inject Clojure into the REPL. If `latest', inject
`cider-latest-clojure-version', which should approximate to the most recent
version of Clojure. If `minimal', inject `cider-minimum-clojure-version',
which will be the lowest version CIDER supports. If a string, use this as
the version number. If it is a list, the first element should be a string,
specifying the artifact ID, and the second element the version number."
:type '(choice (const :tag "None" nil)
(const :tag "Latest" latest)
(const :tag "Minimal" minimal)
(string :tag "Specific Version")
(list :tag "Artifact ID and Version"
(string :tag "Artifact ID")
(string :tag "Version"))))
(defvar-local cider-jack-in-cmd nil
"The custom command used to start a nrepl server.
This is used by `cider-jack-in`.
If this variable is set, its value will be
used as the command to start the nrepl server
instead of the default command inferred from
the project type.
This allows for fine-grained control over the jack-in process.
The value should be a string representing the command to start
the nrepl server, such as \"nbb nrepl-server\".")
(defvar cider-jack-in-lein-plugins nil
"List of Leiningen plugins to be injected at jack-in.
Each element is a list of artifact name and version, followed optionally by
keyword arguments. The only keyword argument currently accepted is
`:predicate', which should be given a function that takes the list (name,
version, and keyword arguments) and returns non-nil to indicate that the
plugin should actually be injected. (This is useful primarily for packages
that extend CIDER, not for users. For example, a refactoring package might
want to inject some middleware only when within a project context.)")
(put 'cider-jack-in-lein-plugins 'risky-local-variable t)
(defvar cider-jack-in-lein-middlewares nil
"List of Leiningen :middleware values to be injected at jack-in.
Necessary for plugins which require an explicit middleware name to be specified.
Can also facilitate using middleware in a specific order.")
(put 'cider-jack-in-lein-middlewares 'risky-local-variable t)
(defvar cider-jack-in-cljs-lein-plugins nil
"List of Leiningen plugins to be injected at jack-in.
Added to `cider-jack-in-lein-plugins' (which see) when doing
`cider-jack-in-cljs'.")
(put 'cider-jack-in-cljs-lein-plugins 'risky-local-variable t)
(defun cider-jack-in-normalized-lein-plugins ()
"Return a normalized list of Leiningen plugins to be injected.
See `cider-jack-in-lein-plugins' for the format, except that the list
returned by this function does not include keyword arguments."
(let ((plugins (if cider-enrich-classpath
(append cider-jack-in-lein-plugins
`(("cider/cider-nrepl" ,cider-injected-middleware-version)
("mx.cider/lein-enrich-classpath" "1.19.3")))
(append cider-jack-in-lein-plugins
`(("cider/cider-nrepl" ,cider-injected-middleware-version))))))
(thread-last plugins
(seq-filter
(lambda (spec)
(if-let* ((pred (plist-get (seq-drop spec 2) :predicate)))
(funcall pred spec)
t)))
(mapcar
(lambda (spec)
(seq-take spec 2))))))
(defvar cider-jack-in-nrepl-middlewares nil
"List of Clojure variable names.
Each of these Clojure variables should hold a vector of nREPL middlewares.
Instead of a string, an element can be a list containing a string followed
by optional keyword arguments. The only keyword argument currently
accepted is `:predicate', which should be given a function that takes the
list (string and keyword arguments) and returns non-nil to indicate that
the middlewares should actually be injected.")
(put 'cider-jack-in-nrepl-middlewares 'risky-local-variable t)
(add-to-list 'cider-jack-in-nrepl-middlewares "cider.nrepl/cider-middleware")
(defvar cider-jack-in-cljs-nrepl-middlewares nil
"List of Clojure variable names.
Added to `cider-jack-in-nrepl-middlewares' (which see) when doing
`cider-jack-in-cljs'.")
(put 'cider-jack-in-cljs-nrepl-middlewares 'risky-local-variable t)
(add-to-list 'cider-jack-in-cljs-nrepl-middlewares "cider.piggieback/wrap-cljs-repl")
(defun cider-jack-in-normalized-nrepl-middlewares ()
"Return a normalized list of middleware variable names.
See `cider-jack-in-nrepl-middlewares' for the format, except that the list
returned by this function only contains strings."
(thread-last cider-jack-in-nrepl-middlewares
(seq-filter
(lambda (spec)
(or (not (listp spec))
(if-let* ((pred (plist-get (cdr spec) :predicate)))
(funcall pred spec)
t))))
(mapcar
(lambda (spec)
(if (listp spec)
(car spec)
spec)))))
(defun cider--jack-in-required-dependencies ()
"Returns the required CIDER deps.
They are normally added to `cider-jack-in-dependencies',
unless it's a Lein project."
`(("nrepl/nrepl" ,cider-injected-nrepl-version)
("cider/cider-nrepl" ,cider-injected-middleware-version)))
(defun cider--gradle-dependency-notation (dependency)
"Returns Gradle's GAV dependency syntax.
For a \"group/artifact\" \"version\") DEPENDENCY list
return as group:artifact:version notation."
(let ((group-artifact (replace-regexp-in-string "/" ":" (car dependency)))
(version (cadr dependency)))
(format "%s:%s" group-artifact version)))
(defun cider--gradle-jack-in-property (dependencies)
"Returns Clojurephant's dependency jack-in property.
For DEPENDENCIES, translates to Gradle's dependency notation
using `cider--gradle-dependency-notation`.''"
(if (seq-empty-p dependencies)
""
(shell-quote-argument
(concat "-Pdev.clojurephant.jack-in.nrepl="
(mapconcat #'cider--gradle-dependency-notation dependencies ",")))))
(defun cider--gradle-middleware-params (middlewares)
"Returns Gradle-formatted middleware params.
Given a list of MIDDLEWARES symbols, this returns
the Gradle parameters expected by Clojurephant's
ClojureNRepl task."
(mapconcat (lambda (middleware)
(shell-quote-argument (concat "--middleware=" middleware)))
middlewares
" "))
(defun cider-gradle-jack-in-dependencies (global-opts params dependencies middlewares)
"Create gradle jack in dependencies.
Does so by concatenating GLOBAL-OPTS, DEPENDENCIES,
and MIDDLEWARES. GLOBAL-OPTS and PARAMS are taken as-is.
DEPENDENCIES are translated into Gradle's typical
group:artifact:version notation and MIDDLEWARES are
prepared as arguments to Clojurephant's ClojureNRepl task."
(concat global-opts
(unless (seq-empty-p global-opts) " ")
(when cider-enable-nrepl-jvmti-agent
"-Pjdk.attach.allowAttachSelf ")
(cider--gradle-jack-in-property (append (cider--jack-in-required-dependencies) dependencies))
" "
params
(unless (seq-empty-p params) " ")
(cider--gradle-middleware-params middlewares)))
(defun cider--lein-artifact-exclusions (exclusions)
"Return an exclusions vector described by the elements of EXCLUSIONS."
(if exclusions
(format " :exclusions [%s]" (mapconcat #'identity exclusions " "))
""))
(defun cider--list-as-lein-artifact (list &optional exclusions)
"Return an artifact string described by the elements of LIST.
LIST should have the form (ARTIFACT-NAME ARTIFACT-VERSION). Optionally a list
of EXCLUSIONS can be provided as well. The returned
string is quoted for passing as argument to an inferior shell."
(shell-quote-argument (format "[%s %S%s]" (car list) (cadr list) (cider--lein-artifact-exclusions exclusions))))
(defun cider--extract-lein-profiles (lein-params)
"Extracts a list of ('with-profile ...' and a repl command from LEIN-PARAMS).
If no `with-profile' call was found,
returns an empty string as the first member."
(or (when-let* ((pattern "\\(with-profiles?\\s-+\\S-+\\)")
(match-start (string-match pattern lein-params))
(match-end (match-end 0)))
(list (concat (substring lein-params match-start match-end) " ")
(string-trim (substring lein-params match-end))))
(list "" lein-params)))
(defun cider-lein-jack-in-dependencies (global-opts params dependencies dependencies-exclusions lein-plugins &optional lein-middlewares)
"Create lein jack-in dependencies.
Does so by concatenating GLOBAL-OPTS, DEPENDENCIES, with DEPENDENCIES-EXCLUSIONS
removed, LEIN-PLUGINS, LEIN-MIDDLEWARES and finally PARAMS."
(concat
global-opts
(unless (seq-empty-p global-opts) " ")
(mapconcat #'identity
(append (seq-map (lambda (dep)
(let ((exclusions (cadr (assoc (car dep) dependencies-exclusions))))
(concat "update-in :dependencies conj "
(cider--list-as-lein-artifact dep exclusions))))
dependencies)
(seq-map (lambda (plugin)
(concat "update-in :plugins conj "
(cider--list-as-lein-artifact plugin)))
lein-plugins)
(seq-map (lambda (middleware)
(concat "update-in :middleware conj "
middleware))
lein-middlewares)
(when cider-enable-nrepl-jvmti-agent
`(,(concat "update-in :jvm-opts conj '\"-Djdk.attach.allowAttachSelf\"'"))))
" -- ")
" -- "
(if (not cider-enrich-classpath)
params
;; enrich-classpath must be applied after the `with-profile` call, if present,
;; so that it can also process the classpath that is typically expanded by the presence of a set of profiles:
(let* ((profiles-and-repl-call (cider--extract-lein-profiles params))
(profiles (car profiles-and-repl-call))
(repl-call (nth 1 profiles-and-repl-call)))
(concat profiles
"update-in :middleware conj cider.enrich-classpath.plugin-v2/middleware -- "
repl-call)))))
(defun cider--dedupe-deps (deps)
"Removes the duplicates in DEPS."
(cl-delete-duplicates deps :test 'equal))
(defun cider--jack-in-cmd-powershell-p (command)
"Returns whether COMMAND is PowerShell."
(or (string-equal command "powershell")
(string-equal command "pwsh")))
(defun cider--shell-quote-argument (argument &optional command)
"Quotes ARGUMENT like `shell-quote-argument', suitable for use with COMMAND.
Uses `shell-quote-argument' to quote the ARGUMENT, unless COMMAND is given
and refers to PowerShell, in which case it uses (some limited) PowerShell
rules to quote it."
(if (cider--jack-in-cmd-powershell-p command)
;; please add more PowerShell quoting rules as necessary.
(format "'%s'" (replace-regexp-in-string "\"" "\"\"" argument))
(shell-quote-argument argument)))
(defun cider--powershell-encode-command (cmd-params)
"Base64 encode the powershell command and jack-in CMD-PARAMS for clojure-cli."
(let* ((quoted-params cmd-params)
;; Also ensure compatibility with pwsh 7.3 quoting rules
;;
;; https://stackoverflow.com/a/59036879
(command (format "$PSNativeCommandArgumentPassing = 'Legacy'; clojure %s" quoted-params))
(utf-16le-command (encode-coding-string command 'utf-16le)))
(format "-encodedCommand %s" (base64-encode-string utf-16le-command t))))
(defun cider--combined-aliases ()
"Creates the combined ailases as stringe separated by ':'."
(let ((final-cider-clojure-cli-aliases
(cond ((and cider-clojure-cli-global-aliases cider-clojure-cli-aliases)
(concat cider-clojure-cli-global-aliases ":" cider-clojure-cli-aliases))
(cider-clojure-cli-global-aliases cider-clojure-cli-global-aliases)
(t cider-clojure-cli-aliases))))
(if final-cider-clojure-cli-aliases
;; remove exec-opts flags -A -M -T or -X from cider-clojure-cli-aliases
;; concatenated with :cider/nrepl to ensure :cider/nrepl comes last
(let ((aliases (format "%s" (replace-regexp-in-string "^-\\(A\\|M\\|T\\|X\\)" "" final-cider-clojure-cli-aliases))))
(if (string-prefix-p ":" aliases)
aliases
(concat ":" aliases)))
"")))
(defun cider-clojure-cli-jack-in-dependencies (global-options params dependencies &optional command)
"Create Clojure tools.deps jack-in dependencies.
Does so by concatenating DEPENDENCIES, PARAMS and GLOBAL-OPTIONS into a
suitable `clojure` invocation and quoting, also accounting for COMMAND if
provided. The main is placed in an inline alias :cider/nrepl so that if
your aliases contain any mains, the cider/nrepl one will be the one used."
(let* ((all-deps (thread-last dependencies
(append (cider--jack-in-required-dependencies))
;; Duplicates are never OK since they would result in
;; `java.lang.IllegalArgumentException: Duplicate key [...]`:
(cider--dedupe-deps)
(seq-map (lambda (dep)
(if (listp (cadr dep))
(format "%s {%s}"
(car dep)
(seq-reduce
(lambda (acc v)
(concat acc (format " :%s \"%s\" " (car v) (cdr v))))
(cadr dep)
""))
(format "%s {:mvn/version \"%s\"}" (car dep) (cadr dep)))))))
(middleware (mapconcat
(apply-partially #'format "%s")
(cider-jack-in-normalized-nrepl-middlewares)
","))
(main-opts (format "\"-m\" \"nrepl.cmdline\" \"--middleware\" \"[%s]\"" middleware))
(deps (format "{:deps {%s} :aliases {:cider/nrepl {%s:main-opts [%s]}}}"
(string-join all-deps " ")
(if cider-enable-nrepl-jvmti-agent
":jvm-opts [\"-Djdk.attach.allowAttachSelf\"], "
"")
main-opts))
(deps-quoted (cider--shell-quote-argument deps command)))
(format "%s-Sdeps %s -M%s:cider/nrepl%s"
;; TODO: global-options are deprecated and should be removed in CIDER 2.0
(if global-options (format "%s " global-options) "")
deps-quoted
(cider--combined-aliases)
(if params (format " %s" params) ""))))
(defun cider-shadow-cljs-jack-in-dependencies (global-opts params dependencies)
"Create shadow-cljs jack-in deps.
Does so by concatenating GLOBAL-OPTS, DEPENDENCIES finally PARAMS."
(let ((dependencies (append (cider--jack-in-required-dependencies) dependencies)))
(concat
global-opts
(unless (seq-empty-p global-opts) " ")
(mapconcat #'identity
(seq-map (lambda (dep) (format "-d %s:%s" (car dep) (cadr dep))) dependencies)
" ")
" "
params)))
(defun cider-add-clojure-dependencies-maybe (dependencies)
"Return DEPENDENCIES with an added Clojure dependency if requested.
See also `cider-jack-in-auto-inject-clojure'."
(if cider-jack-in-auto-inject-clojure
(if (consp cider-jack-in-auto-inject-clojure)
(cons cider-jack-in-auto-inject-clojure dependencies)
(cons (list cider-clojure-artifact-id
(cond
((stringp cider-jack-in-auto-inject-clojure)
cider-jack-in-auto-inject-clojure)
((eq cider-jack-in-auto-inject-clojure 'minimal)
cider-minimum-clojure-version)
((eq cider-jack-in-auto-inject-clojure 'latest)
cider-latest-clojure-version)))
dependencies))
dependencies))
(defun cider-inject-jack-in-dependencies (global-opts params project-type &optional command)
"Return GLOBAL-OPTS and PARAMS with injected REPL dependencies.
These are set in `cider-jack-in-dependencies', `cider-jack-in-lein-plugins'
and `cider-jack-in-nrepl-middlewares' are injected from the CLI according
to the used PROJECT-TYPE, and COMMAND if provided. Eliminates the need for
hacking profiles.clj for supporting CIDER with its nREPL middleware and
dependencies."
(pcase project-type
('lein (cider-lein-jack-in-dependencies
global-opts
params
(cider-add-clojure-dependencies-maybe
(append `(("nrepl/nrepl" ,cider-injected-nrepl-version)) cider-jack-in-dependencies))
cider-jack-in-dependencies-exclusions
(cider-jack-in-normalized-lein-plugins)
cider-jack-in-lein-middlewares))
('clojure-cli (cider-clojure-cli-jack-in-dependencies
global-opts
params
(cider-add-clojure-dependencies-maybe
cider-jack-in-dependencies)
command))
('babashka (concat
global-opts
(unless (seq-empty-p global-opts) " ")
params))
('shadow-cljs (cider-shadow-cljs-jack-in-dependencies
global-opts
params
(cider-add-clojure-dependencies-maybe
cider-jack-in-dependencies)))
('gradle (cider-gradle-jack-in-dependencies
global-opts
params
(cider-add-clojure-dependencies-maybe
cider-jack-in-dependencies)
(cider-jack-in-normalized-nrepl-middlewares)))
('nbb (concat
global-opts
(unless (seq-empty-p global-opts) " ")
params))
('basilisp params)
(_ (error "Unsupported project type `%S'" project-type))))
;;; ClojureScript REPL creation
(defcustom cider-check-cljs-repl-requirements t
"When non-nil will run the requirement checks for the different cljs repls.
Generally you should not disable this unless you run into some faulty check."
:type 'boolean
:safe #'booleanp
:package-version '(cider . "0.17.0"))
(defun cider-clojurescript-present-p ()
"Return non nil when ClojureScript is present."
(or
;; This is nil for example for nbb.
(cider-library-present-p "cljs.core")
;; demunge is not defined currently for normal cljs repls.
;; So we end up making the two checks
(nrepl-dict-get (cider-sync-tooling-eval "cljs.core/demunge") "value")))
(defun cider-verify-clojurescript-is-present ()
"Check whether ClojureScript is present."
(unless (cider-clojurescript-present-p)
(user-error "ClojureScript is not available. See https://docs.cider.mx/cider/basics/clojurescript for details")))
(defun cider-verify-piggieback-is-present ()
"Check whether the piggieback middleware is present."
(unless (cider-library-present-p "cider.piggieback")
(user-error "Piggieback 0.4.x (aka cider/piggieback) is not available. See https://docs.cider.mx/cider/basics/clojurescript for details")))
(defun cider-check-node-requirements ()
"Check whether we can start a Node ClojureScript REPL."
(cider-verify-piggieback-is-present)
(unless (executable-find "node")
(user-error "Node.js is not present on the exec-path. Make sure you've installed it and your exec-path is properly set")))