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clj-refactor.el
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clj-refactor.el
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;;; clj-refactor.el --- A collection of commands for refactoring Clojure code -*- lexical-binding: t -*-
;; Copyright © 2012-2014 Magnar Sveen
;; Copyright © 2014-2021 Magnar Sveen, Lars Andersen, Benedek Fazekas, Bozhidar Batsov
;; Author: Magnar Sveen <magnars@gmail.com>
;; Lars Andersen <expez@expez.com>
;; Benedek Fazekas <benedek.fazekas@gmail.com>
;; Bozhidar Batsov <bozhidar@batsov.com>
;; Version: 3.0.0-alpha13
;; Keywords: convenience, clojure, cider
;; Package-Requires: ((emacs "26.1") (seq "2.19") (yasnippet "0.6.1") (paredit "24") (multiple-cursors "1.2.2") (clojure-mode "5.9") (cider "1.0") (parseedn "1.0.4") (inflections "2.3") (hydra "0.13.2"))
;; 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/>.
;;; Commentary:
;; See README.md at https://github.com/clojure-emacs/clj-refactor.el
;;; Code:
(require 'seq)
(require 'clj-refactor-compat)
(require 'yasnippet)
(require 'paredit)
(require 'multiple-cursors-core)
(require 'clojure-mode)
(require 'cider)
(require 'parseedn)
(require 'sgml-mode)
(require 'inflections)
(require 'hydra)
(require 'subword)
(defgroup cljr nil
"Clojure refactoring facilities."
:prefix "cljr-"
:group 'clojure
:link '(url-link :tag "GitHub"
"https://github.com/clojure-emacs/clj-refactor.el"))
(defcustom cljr-add-ns-to-blank-clj-files t
"If t, automatically add a ns form to new .clj files."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-auto-sort-ns t
"If t, sort ns form after any command that changes it."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-magic-requires t
"Whether to automatically require common namespaces when they are used.
These are the namespaces listed in `cljr-magic-require-namespaces'
and returned by the `namespace-aliases' middleware op.
If this variable is `:prompt', typing the short form followed by
`\\[cljr-slash]' will ask if you want to add the corresponding require
statement to the ns form.
Any other non-nil value means to add the form without asking."
:group 'cljr
:type '(choice (const :tag "true" t)
(const :tag "prompt" :prompt)
(const :tag "false" nil)))
(defcustom cljr-magic-require-namespaces
'(("io" . "clojure.java.io")
("set" . "clojure.set")
("str" . "clojure.string")
("walk" . "clojure.walk")
("zip" . "clojure.zip"))
"Alist of aliases and namespaces used by `cljr-slash'."
:type '(repeat (cons (string :tag "Short alias")
(string :tag "Full namespace")))
:safe #'listp
:group 'cljr)
(defcustom cljr-project-clean-prompt t
"If t, `cljr-project-clean' asks before doing anything.
If nil, the project clean functions are run without warning."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-project-clean-functions
(list #'cljr-clean-ns)
"List of functions called by `cljr-project-clean'.
These are called on all .clj files in the project."
:group 'cljr
:type '(repeat function)
:safe #'listp)
(defcustom cljr-project-clean-exceptions '("dev/user.clj" "project.clj" "boot.clj")
"A list of files that `cljr-project-clean' should avoid."
:group 'cljr
:type '(repeat string)
:safe #'listp)
(defcustom cljr-hotload-dependencies nil
"If t, newly added dependencies are also hotloaded into the repl.
This only applies to dependencies added by `cljr-add-project-dependency'."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-favor-private-functions t
"If t, refactorings insert private function declarations."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-favor-prefix-notation nil
"If t, `cljr-clean-ns' favors prefix notation in the ns form."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-insert-newline-after-require t
"If t, `cljr-clean-ns' will place a newline after the `:require` and `:import` tokens."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-use-multiple-cursors t
"If t, some refactorings use the `multiple-cursors' package.
This improves interactivity of the commands. If nil, those
refactorings will use regular prompts instead."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-auto-clean-ns t
"If t, call `cljr-clean-ns' after commands that change the ns."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-populate-artifact-cache-on-startup t
"If t, the middleware will eagerly populate the artifact cache.
This makes `cljr-add-project-dependency' as snappy as can be."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-warn-on-eval t
"If t, warn the user before running any op that requires ASTs to be built
that the project will be evaled. If this is not preferred the op will
be aborted. Also effectively overrides `cljr-eagerly-build-asts-on-startup'
so if this is on the AST cache is not warmed at startup or after certain
operations."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-eagerly-build-asts-on-startup t
"If t, the middleware will eagerly populate the ast cache.
This makes `cljr-find-usages' and `cljr-rename-symbol' as snappy
as can be."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-suppress-middleware-warnings nil
"If t, no middleware warnings are printed to the repl."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-suppress-no-project-warning nil
"If t, no warning is printed when starting a REPL outside a project.
By default, a warning is printed in this case since clj-refactor
will not work as expected in such REPLs."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-ignore-analyzer-errors nil
"If t, `cljr-find-usages' `cljr-inline-symbol' `cljr-rename-symbol'
ignores namespaces that cannot be analyzed.
If any namespaces presents an analyzer error, it is skipped and
the command carries on looking for the given symbol in those
namespaces which can be analyzed.
If nil, `cljr-find-usages' `cljr-inline-symbol' `cljr-rename-symbol'
won't run if there is a broken namespace in the project."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(define-obsolete-variable-alias 'cljr-find-usages-ignore-analyzer-errors 'cljr-ignore-analyzer-errors "2.3.0")
(defcustom cljr-auto-eval-ns-form t
"When true refactorings which change the ns form also trigger
its re-evaluation."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-midje-test-declaration "[midje.sweet :as midje]"
"The require form to use when midje is in use."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-expectations-test-declaration "[expectations :as e]"
"The require form to use when expectations is in use."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-cljc-clojure-test-declaration "#?(:clj [clojure.test :as t]
:cljs [cljs.test :as t :include-macros true])"
"The require form to use when clojure.test and cljs.test is in use in a cljc file."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-cljs-clojure-test-declaration "[cljs.test :as t :include-macros true]"
"The require form to use when cljs.test is in use in a cljs file."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-clojure-test-declaration "[clojure.test :as t]"
"The require form to use when clojure.test is in use in a clj file."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-clojure-test-namespace-under-test-alias "sut"
"The package alias to use for the namespace under test."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-inject-dependencies-at-jack-in t
"When nil, do not inject repl dependencies (most likely nREPL middlewares) at `cider-jack-in' time."
:group 'cljr
:type 'boolean
:safe #'booleanp)
(defcustom cljr-assume-language-context nil
"If set to 'clj' or 'cljs', clj-refactor will use that value in situations
where the language context is ambiguous. If set to nil, a popup will be
created in each ambiguous case asking user to choose language context."
:group 'cljr
:type 'string
:safe #'stringp)
(defcustom cljr-libspec-whitelist
'("^cljsns" "^slingshot.test" "^monger.joda-time" "^monger.json")
"List of regexes to match against libspec names which shouldn't be pruned.
This is useful when `clean-ns' should leave a libspec alone even
if it appears to be unused."
:group 'cljr
:type '(repeat string)
:safe #'listp)
(defvar cljr-minimum-clojure-version "1.8.0"
"The oldest Clojure version supported by our middleware.")
(defvar clj-refactor-map (make-sparse-keymap) "")
(defvar cljr--add-require-snippet
"${1:[${2:${3:} :as ${4:${3:$(cljr--ns-name yas-text)}}}]}"
"The snippet used in in `cljr-add-require-to-ns'")
(defun cljr--ns-name (ns)
"Return the last name in a full NS."
(replace-regexp-in-string ".*\\." "" ns))
(defvar cljr--add-use-snippet "[$1 :refer ${2:[$3]}]"
"The snippet used in in `cljr-add-use-to-ns'.")
(defvar *cljr--noninteractive* nil
"t, when our interactive functions are called programmatically.")
(defvar cljr--file-column-pattern
"^\\(.+?\\):\\([1-9][0-9]*\\):\\([0-9][0-9]*\\): "
"A regexp pattern that groups output into filename, line number and column number.")
(defvar cljr--debug-mode nil)
(defvar cljr--occurrences nil)
(defvar cljr--signature-changes nil)
(defvar cljr--change-signature-buffer "*cljr-change-signature*")
(defvar cljr--manual-intervention-buffer "*cljr-manual-intervention*")
(defvar cljr--find-symbol-buffer "*cljr-find-usages*")
(defvar cljr--post-command-messages nil "Message(s) to display after the current command is done.")
(defcustom cljr-before-warming-ast-cache-hook nil
"Runs before each time the AST is loaded."
:group 'cljr
:type 'hook)
(defcustom cljr-after-warming-ast-cache-hook nil
"Runs after each time the AST is loaded."
:group 'cljr
:type 'hook)
(defcustom cljr-middleware-ignored-paths nil
"List of (Java style) regexes to paths that should be ignored
by the middleware."
:group 'cljr
:type '(repeat string)
:safe #'listp)
;;; Buffer Local Declarations
;; tracking state of find-symbol buffer
(defvar-local cjr--occurrence-count 0 "Counts occurrences of found symbols")
(defvar-local cljr--num-syms -1 "Keeps track of overall number of symbol occurrences")
(defvar-local cljr--occurrence-ids '() "Keeps track of already processed symbol occurrences")
(defmacro cljr--update-file (filename &rest body)
"If there is an open buffer for FILENAME, then change that.
Otherwise open the file and do the changes non-interactively."
(declare (debug (form body))
(indent 1))
(let ((fn (make-symbol "filename"))
(bf (make-symbol "buffer")))
`(let* ((,fn ,filename)
(,bf (get-file-buffer ,fn)))
(if ,bf
(progn
(set-buffer ,bf)
,@body
(save-buffer))
(with-temp-file ,fn
(insert-file-contents ,fn)
(delay-mode-hooks
(clojure-mode)
,@body))))))
(define-key clj-refactor-map [remap paredit-raise-sexp] 'cljr-raise-sexp)
(define-key clj-refactor-map [remap paredit-splice-sexp-killing-backward] 'cljr-splice-sexp-killing-backward)
(define-key clj-refactor-map [remap paredit-splice-sexp-killing-forward] 'cljr-splice-sexp-killing-forward)
(define-key clj-refactor-map (kbd "/") 'cljr-slash)
(defun cljr--use-multiple-cursors-p ()
(and cljr-use-multiple-cursors
(not (bound-and-true-p evil-mode))))
(defun cljr--vector-at-point-p ()
(eq (char-after) ?\[))
(defun cljr--fix-special-modifier-combinations (key)
(cl-case key
("C-s-i" "s-TAB")
("C-s-m" "s-RET")
(otherwise key)))
(defun cljr--key-pairs-with-modifier (modifier keys)
(read-kbd-macro
(string-join
(seq-map
(lambda (it)
(cljr--fix-special-modifier-combinations (concat modifier (char-to-string it))))
(string-to-list keys)) " ")))
(defun cljr--key-pairs-with-prefix (prefix keys)
(read-kbd-macro (concat prefix " " keys)))
(defvar cljr--all-helpers
'(("ai" . (cljr-add-import-to-ns "Add import to ns" ?i ("ns")))
("am" . (cljr-add-missing-libspec "Add missing libspec" ?m ("ns")))
("ap" . (cljr-add-project-dependency "Add project dependency" ?p ("ns" "project")))
("ar" . (cljr-add-require-to-ns "Add require to ns" ?r ("ns")))
("as" . (cljr-add-stubs "Add stubs for the interface/protocol at point" ?s ("toplevel-form")))
("au" . (cljr-add-use-to-ns "Add use to ns" ?U ("ns")))
("ci" . (clojure-cycle-if "Cycle if" ?I ("code")))
("cn" . (cljr-clean-ns "Clean ns" ?c ("ns")))
("cp" . (clojure-cycle-privacy "Cycle privacy" ?P ("toplevel-form")))
("cs" . (cljr-change-function-signature "Change function signature" ?C ("toplevel-form" "project")))
("ct" . (cljr-cycle-thread "Cycle thread" ?t ("code")))
("dk" . (cljr-destructure-keys "Destructure keys" ?d ("code")))
("ec" . (cljr-extract-constant "Extract constant" ?c ("toplevel-form")))
("ed" . (cljr-extract-def "Extract form as def" ?D ("toplevel-form")))
("ef" . (cljr-extract-function "Extract function" ?e ("toplevel-form")))
("el" . (cljr-expand-let "Expand let" ?e ("code")))
("fe" . (cljr-create-fn-from-example "Create function from example" ?f ("toplevel-form")))
("fu" . (cljr-find-usages "Find usages" ?u ("project" "code")))
("hd" . (cljr-hotload-dependency "Hotload dependency" ?h ("project")))
("il" . (cljr-introduce-let "Introduce let" ?l ("code")))
("is" . (cljr-inline-symbol "Inline symbol" ?i ("project" "toplevel-form" "code")))
("mf" . (cljr-move-form "Move form" ?m ("toplevel-form" "project")))
("ml" . (cljr-move-to-let "Move to let" ?m ("code")))
("pc" . (cljr-project-clean "Project clean" ?c ("project")))
("pf" . (cljr-promote-function "Promote function" ?p ("code" "toplevel-form")))
("rf" . (cljr-rename-file-or-dir "Rename file-or-dir" ?r ("project" "toplevel-form")))
("rl" . (cljr-remove-let "Remove let" ?r ("code")))
("rm" . (cljr-require-macro "Add to or extend the require-macros form" ?M ("ns")))
("rs" . (cljr-rename-symbol "Rename symbol" ?s ("project" "code")))
("sc" . (cljr-show-changelog "Show the project's changelog" ?c ("cljr")))
("sp" . (cljr-sort-project-dependencies "Sort project dependencies" ?S ("project")))
("sr" . (cljr-stop-referring "Stop referring" ?t ("ns")))
("tf" . (clojure-thread-first-all "Thread first all" ?f ("code")))
("th" . (clojure-thread "Thread" ?T ("code")))
("tl" . (clojure-thread-last-all "Thread last all" ?L ("code")))
("ua" . (clojure-unwind-all "Unwind all" ?U ("code")))
("up" . (cljr-update-project-dependencies "Update project dependencies" ?U ("project")))
("uw" . (clojure-unwind "Unwind" ?w ("code")))
("ad" . (cljr-add-declaration "Add declaration" ?d ("toplevel-form")))
("?" . (cljr-describe-refactoring "Describe refactoring" ?d ("cljr")))
("hh" . (hydra-cljr-help-menu/body "Parent menu for hydra menus" ?h ("hydra")))
("hn" . (hydra-cljr-ns-menu/body "Hydra menu for ns refactorings" ?n ("hydra")))
("hc" . (hydra-cljr-code-menu/body "Hydra menu for code refactorings" ?c ("hydra")))
("hp" . (hydra-cljr-project-menu/body "Hydra menu for project refactorings" ?p ("hydra")))
("ht" . (hydra-cljr-toplevel-form-menu/body "Hydra menu for top level refactorings " ?t ("hydra")))
("hs" . (hydra-cljr-cljr-menu/body "Hydra menu for self features" ?s ("hydra")))))
(defhydra hydra-cljr-ns-menu (:color pink :hint nil)
"
Ns related refactorings
------------------------------------------------------------------------------------------------------------------------------------------------------
_ai_: Add import to ns _am_: Add missing libspec _ap_: Add project dependency
_ar_: Add require to ns _au_: Add use to ns _cn_: Clean ns
_rm_: Require a macro into the ns _sr_: Stop referring
_b_: Back to previous Hydra
"
("ai" cljr-add-import-to-ns) ("am" cljr-add-missing-libspec)
("ap" cljr-add-project-dependency) ("ar" cljr-add-require-to-ns)
("au" cljr-add-use-to-ns) ("cn" cljr-clean-ns)
("rm" cljr-require-macro) ("sr" cljr-stop-referring)
("b" hydra-cljr-help-menu/body :exit t)
("q" nil "quit"))
(defhydra hydra-cljr-code-menu (:color pink :hint nil)
"
Code related refactorings
------------------------------------------------------------------------------------------------------------------------------------------------------
_ci_: Cycle if _ct_: Cycle thread
_dk_: Destructure keys _el_: Expand let _fu_: Find usages
_il_: Introduce let _is_: Inline symbol _ml_: Move to let
_pf_: Promote function _rl_: Remove let _rs_: Rename symbol
_tf_: Thread first all _th_: Thread _tl_: Thread last all
_ua_: Unwind all _uw_: Unwind
_b_: Back to previous Hydra
"
("ci" clojure-cycle-if) ("ct" cljr-cycle-thread)
("dk" cljr-destructure-keys) ("el" cljr-expand-let)
("fu" cljr-find-usages) ("il" cljr-introduce-let)
("is" cljr-inline-symbol) ("ml" cljr-move-to-let)
("pf" cljr-promote-function) ("rl" cljr-remove-let)
("rs" cljr-rename-symbol) ("tf" clojure-thread-first-all)
("th" clojure-thread) ("tl" clojure-thread-last-all)
("ua" clojure-unwind-all) ("uw" clojure-unwind)
("b" hydra-cljr-help-menu/body :exit t)
("q" nil "quit"))
(defhydra hydra-cljr-project-menu (:color pink :hint nil)
"
Project related refactorings
------------------------------------------------------------------------------------------------------------------------------------------------------
_ap_: Add project dependency _cs_: Change function signature _fu_: Find usages
_hd_: Hotload dependency _is_: Inline symbol _mf_: Move form
_pc_: Project clean _rf_: Rename file-or-dir _rs_: Rename symbol _sp_: Sort project dependencies
_up_: Update project dependencies
_b_: Back to previous Hydra
"
("ap" cljr-add-project-dependency) ("cs" cljr-change-function-signature)
("fu" cljr-find-usages) ("hd" cljr-hotload-dependency)
("is" cljr-inline-symbol) ("mf" cljr-move-form)
("pc" cljr-project-clean) ("rf" cljr-rename-file-or-dir)
("rs" cljr-rename-symbol) ("sp" cljr-sort-project-dependencies)
("up" cljr-update-project-dependencies)
("b" hydra-cljr-help-menu/body :exit t)
("q" nil "quit"))
(defhydra hydra-cljr-toplevel-form-menu (:color pink :hint nil)
"
Toplevel form related refactorings
------------------------------------------------------------------------------------------------------------------------------------------------------
_as_: Add stubs for the interface/protocol at point_cp_: Cycle privacy _cs_: Change function signature
_ec_: Extract constant _ed_: Extract form as def _ef_: Extract function
_fe_: Create function from example _is_: Inline symbol _mf_: Move form
_pf_: Promote function _rf_: Rename file-or-dir _ad_: Add declaration
_b_: Back to previous Hydra
"
("as" cljr-add-stubs) ("cp" clojure-cycle-privacy)
("cs" cljr-change-function-signature) ("ec" cljr-extract-constant)
("ed" cljr-extract-def) ("ef" cljr-extract-function)
("fe" cljr-create-fn-from-example) ("is" cljr-inline-symbol)
("mf" cljr-move-form) ("pf" cljr-promote-function)
("rf" cljr-rename-file-or-dir) ("ad" cljr-add-declaration)
("b" hydra-cljr-help-menu/body :exit t)
("q" nil "quit"))
(defhydra hydra-cljr-cljr-menu (:color pink :hint nil)
"
Cljr related refactorings
------------------------------------------------------------------------------------------------------------------------------------------------------
_sc_: Show the project's changelog _?_: Describe refactoring
_b_: Back to previous Hydra
"
("sc" cljr-show-changelog) ("?" cljr-describe-refactoring)
("b" hydra-cljr-help-menu/body :exit t)
("q" nil "quit"))
(defhydra hydra-cljr-help-menu (:color pink :hint nil)
"
Available refactoring types
-----------------------------------------------------------------------------
_n_: Ns related refactorings _c_: Code related refactorings
_p_: Project related refactorings _t_: Top level forms related refactorings
_s_: Refactor related functions
"
("n" hydra-cljr-ns-menu/body :exit t)
("c" hydra-cljr-code-menu/body :exit t)
("p" hydra-cljr-project-menu/body :exit t)
("t" hydra-cljr-toplevel-form-menu/body :exit t)
("s" hydra-cljr-cljr-menu/body :exit t)
("q" nil "quit" :color blue))
(defun cljr--add-keybindings (key-fn)
"Build the keymap from the list of keys/functions in `cljr--all-helpers'."
(dolist (details cljr--all-helpers)
(let ((key (car details))
(fn (cadr details)))
(define-key clj-refactor-map (funcall key-fn key) fn))))
;;;###autoload
(defun cljr-add-keybindings-with-prefix (prefix)
"Bind keys in `cljr--all-helpers' under a PREFIX key."
(cljr--add-keybindings (apply-partially 'cljr--key-pairs-with-prefix prefix)))
;;;###autoload
(defun cljr-add-keybindings-with-modifier (modifier)
"Bind keys in `cljr--all-helpers' under a MODIFIER key."
(cljr--add-keybindings (apply-partially 'cljr--key-pairs-with-modifier modifier)))
;; ------ utilities -----------
(defun cljr--extract-sexp ()
(buffer-substring (point) (cljr--point-after 'paredit-forward)))
(defun cljr--delete-sexp ()
(delete-region (point) (cljr--point-after 'paredit-forward)))
(defun cljr--extract-sexp-as-list (&optional with-whitespace)
"Returns list of strings representing the elements of the SEXP at point.
If optional `with-whitespace' is T sexp elements are not trimmed."
(save-excursion
(let* ((beg (progn (paredit-backward-up)
(forward-char)
(point)))
(end (1- (cljr--point-after 'paredit-forward-up)))
sexp-elems)
(while (/= (point) end)
(paredit-forward)
(let ((sexp-elem (buffer-substring-no-properties beg (point))))
(push (if with-whitespace sexp-elem (string-trim sexp-elem)) sexp-elems))
(setq beg (point)))
(nreverse sexp-elems))))
(defun cljr--extract-region (beg end)
(prog1
(buffer-substring-no-properties beg end)
(delete-region beg end)))
(defun cljr--comment-line-p ()
(save-excursion
(goto-char (point-at-bol))
(looking-at "\\s-*;+")))
(defun cljr--search-forward-within-sexp (s &optional save-excursion)
"Searches forward for S in the current sexp.
if SAVE-EXCURSION is T POINT does not move."
(let ((bound (save-excursion (forward-list 1) (point))))
(if save-excursion
(save-excursion
(search-forward s bound t))
(search-forward s bound t))))
(defun cljr--goto-toplevel ()
(paredit-backward-up (cljr--depth-at-point))
(when (looking-back "#" 1)
(backward-char)))
(defun cljr--top-level-p ()
"T unless we're in an s-expression or string."
(= (cljr--depth-at-point) 0))
(defun cljr--depth-at-point ()
"Returns the depth in s-expressions, or strings, at point."
(let ((depth (car (paredit-current-parse-state))))
(if (paredit-in-string-p)
(1+ depth)
depth)))
(defun cljr--cleanup-whitespace (stuff)
"Removes blank lines preceding `stuff' as well as trailing whitespace."
(with-temp-buffer
(insert stuff)
(goto-char (point-min))
(delete-blank-lines)
(when (looking-at "[ \t]*$")
(delete-region (point-at-bol) (point-at-eol)))
(let ((delete-trailing-lines t))
(delete-trailing-whitespace)
(buffer-substring-no-properties (point-min) (point-max)))))
(defun cljr--delete-line ()
"Deletes the current line without introducing whitespace
errors."
(delete-region (point-at-bol) (line-end-position))
(join-line)
(paredit-forward-delete 1))
(defun cljr--looking-at-dependency-p ()
(or
;; boot & leiningen dependency vector
(looking-at "\\[[^[[:space:]]+[[:space:]]+\"")
;; clj dependency style
(looking-at "\\([a-z0-9\-\./]+\\)[[:space:]]*\{.*\\(:mvn\\|:local\\|:git\\)/\\(root\\|version\\|url\\)[[:space:]]+\\(\"[^\"]+\"\\)")))
(defun cljr--just-one-blank-line ()
"Ensure there's only one blank line at POINT."
(newline 2)
(forward-line -1)
(delete-blank-lines))
(defun cljr--point-after (&rest actions)
"Returns POINT after performing ACTIONS.
An action is either the symbol of a function or a two element
list of (fn args) to pass to `apply''"
(save-excursion
(dolist (fn-and-args actions)
(let ((f (if (listp fn-and-args) (car fn-and-args) fn-and-args))
(args (if (listp fn-and-args) (cdr fn-and-args) nil)))
(apply f args)))
(point)))
(defun cljr--whitespacep (s)
"True if S contains only whitespace."
(or (null s) (string-blank-p (string-trim s))))
(defun cljr--make-room-for-toplevel-form ()
(if (cljr--whitespacep (buffer-substring-no-properties (point) (point-max)))
;; make room at end of buffer
(progn (open-line 2)
(delete-blank-lines)
(open-line 1)
(forward-line))
(cljr--goto-toplevel)
(goto-char (point-at-bol))
(open-line 2)))
(defun cljr--new-toplevel-form (form)
"Insert a new toplevel FORM before the form containing POINT."
(cljr--make-room-for-toplevel-form)
(insert form))
(defun cljr--goto-toplevel-forward ()
"Move forward and up until we reach toplevel."
(paredit-forward-up (cljr--depth-at-point)))
(defun cljr--indent-defun ()
"Indent the toplevel form containing point"
(indent-region (cljr--point-after 'cljr--goto-toplevel)
(cljr--point-after 'cljr--goto-toplevel-forward)))
(defun cljr--point-at-text-matching
(regexp direction &optional bound noerror count)
"Return the point after searching in DIRECTION for TEXT.
DIRECTION is either :forward or :backward.
the optional arguments are passed on the to search function. See
e.g. `re-search-forward'"
(save-excursion
(cond
;; NOTE: non-optional direction is intentional because I think it
;; improves readability greatly at the call site
((eq direction :forward)
(re-search-forward regexp bound noerror count))
((eq direction :backward)
(re-search-backward regexp bound noerror count))
(t (error "Only know how to search :forward or :backward, you asked for '%s'"
direction)))))
(defun cljr--inside-prefixed-libspec-vector-p ()
"If we're inside a prefixed libspec vector then point is
assumed to be just inside the []
Note that this function also moves point from the suffix to the prefix."
(and (looking-back "\\[" 1)
(progn (paredit-backward-up 2)
(paredit-forward-down)
(looking-back "\\[" 1))))
(defun cljr--resolve-alias (alias)
"Look up ALIAS in the ns form.
if alias is util and the ns-from contains
(:require [refactor-nrepl [util s-expresions]])
refactor-nrepl.util will be returned."
(save-excursion
(cljr--goto-ns)
(when (re-search-forward
(format ":as\\s-*\n*\\s-*%s\\_>" (regexp-quote alias))
(cljr--point-after 'paredit-forward)
:noerror)
(paredit-backward-up)
(paredit-forward-down)
(let ((ns (buffer-substring-no-properties
(point)
(cljr--point-after 'paredit-forward))))
(if (cljr--inside-prefixed-libspec-vector-p)
(format "%s.%s" (buffer-substring-no-properties
(point) (cljr--point-after 'paredit-forward))
ns)
ns)))))
(defun cljr--point-for-anon-function ()
"Returns the location of point if the point is currently placed
at the opening parentheses of an anonymous function."
(cond
((looking-at "(fn \\(\\_<[^ ]+\\_>[[:space:]\n]+\\)?\\[")
(point))
((save-excursion (backward-char) (looking-at "#("))
(1- (point)))))
(defun cljr--goto-fn-definition ()
(if (zerop (car (paredit-current-parse-state)))
(error "Not inside a s-expression.")
(let* ((pt-orig (point))
(search-bound (cljr--point-after 'cljr--goto-toplevel))
found-fn-p)
(while (not found-fn-p)
(paredit-backward-up)
(if-let (fn-beg (cljr--point-for-anon-function))
(let ((fn-end (save-excursion (paredit-forward) (point))))
(when (and (< fn-beg pt-orig) (< pt-orig fn-end))
(setq found-fn-p t)
(when (looking-back "#" 1)
(backward-char))))
(when (<= (point) search-bound)
(error "Can't find definition of anonymous function!")))))))
(defun cljr--evenp (n)
;; evenp lives in cl.el...
(zerop (mod n 2)))
(defun cljr--create-msg (op &rest kvs)
"Create a msg for the middleware for OP and optionally include
the kv pairs KVS.
All config settings are included in the created msg."
(cl-assert (cljr--evenp (length kvs)) nil "Can't create msg to send to the middleware.\
Received an uneven number of kv pairs: %s " kvs)
(apply #'list "op" op
"prefix-rewriting"
(if cljr-favor-prefix-notation
"true"
"false")
"insert-newline-after-require"
(if cljr-insert-newline-after-require
"true"
"false")
"debug"
(if cljr--debug-mode
"true"
"false")
kvs))
(defun cljr--post-command-message (format-string &rest args)
"Display msg in a post command hook, to ensure it doesn't drown
in emacs' general chatter."
(push (apply #'format format-string args)
cljr--post-command-messages))
(defun cljr--post-command-hook ()
(seq-map #'message cljr--post-command-messages)
(setq cljr--post-command-messages nil))
(defun cljr-show-changelog ()
"Show the changelog for `clj-refactor'.
See: https://github.com/clojure-emacs/clj-refactor.el/wiki/cljr-show-changelog"
(interactive)
(find-file (format "%s/CHANGELOG.md" (file-name-directory (locate-library "clj-refactor"))))
(when (fboundp 'markdown-mode)
(markdown-mode))
(view-mode 1))
;; ------ reify protocol defrecord -----------
(defun cljr--goto-reify ()
(let ((point (point)))
(while (not (or (cljr--top-level-p)
(looking-at-p "(reify")))
(paredit-backward-up))
(unless (looking-at-p "(reify")
(goto-char point)
(error "Can't find call to reify!"))))
(defun cljr-reify-to-defrecord ()
"Replace a call to reify with a call to a new constructor.
A new record is created to define this constructor."
(interactive "")
(cljr--goto-reify)
(let ((record-name (cljr--prompt-user-for "Name of new record: "))
(reify-sexp (clojure-delete-and-extract-sexp))
(placeholder "#85dffa31d"))
(insert placeholder)
(cljr--new-toplevel-form reify-sexp)
(paredit-backward)
(paredit-forward-down)
(clojure-delete-and-extract-sexp)
(insert "defrecord " record-name " []")
(if (looking-at-p "[ \t]*$")
(forward-line)
(newline-and-indent))
(cljr--goto-toplevel)
(indent-region (point) (cljr--point-after 'paredit-forward))
(re-search-forward placeholder)
(paredit-backward)
(clojure-delete-and-extract-sexp)
(insert "("record-name ".)")
(paredit-backward-down)))
;; ------ file -----------
(defun cljr--locate-project-file (file)
(ignore-errors
(file-truename
(locate-dominating-file default-directory file))))
(defun cljr--project-dir ()
(or
(thread-last '("project.clj" "build.boot" "deps.edn" "shadow-cljs.edn" "pom.xml")
(mapcar 'cljr--locate-project-file)
(delete 'nil)
car)
""))
(defun cljr--inside-project-p ()
"Return non-nil if `default-directory' is inside a Clojure project."
(not (string-empty-p (cljr--project-dir))))
(defun cljr--project-file ()
(let ((project-dir (cljr--project-dir)))
(or (let ((file (expand-file-name "project.clj" project-dir)))
(and (file-exists-p file) file))
(let ((file (expand-file-name "build.boot" project-dir)))
(and (file-exists-p file) file))
(let ((file (expand-file-name "deps.edn" project-dir)))
(and (file-exists-p file) file))
(let ((file (expand-file-name "shadow-cljs.edn" project-dir)))
(and (file-exists-p file) file))
(let ((file (expand-file-name "pom.xml" project-dir)))
(and (file-exists-p file) file)))))
(defun cljr--project-files ()
(split-string (shell-command-to-string
(format "find %s -type f \\( %s -or %s \\) %s | head -n %s"
(cljr--project-dir)
(format "-name \"%s\"" "*.clj")
(format "-name \"%s\"" "*.cljc")
"-not -regex \".*svn.*\""
1000))))
(defun cljr--project-with-deps-p (project-file)
(string-match "/deps.edn$" project-file))
(defun cljr--buffers-visiting-dir (dir)
(seq-filter (lambda (buf)
(when-let (path (buffer-file-name buf))
(string-prefix-p dir path :ignore-case)))
(buffer-list)))
(defun cljr--revisit-buffers (buffers new-dir active)
"After moving a directory revisit all files visited by BUFFERS
by looking them up in NEW-DIR.
ACTIVE is the buffer the user was looking at when the command was
issued, and should be left focused."
(let ((files (directory-files new-dir))
(new-dir (if (string-suffix-p "/" new-dir) new-dir (format "%s/" new-dir)))
(same-file (lambda (buf f)
(when (string= (file-name-nondirectory f)
(file-name-nondirectory (buffer-file-name buf)))
f))))
(dolist (buf buffers)
(find-file
(format "%s%s" new-dir (seq-some (apply-partially same-file buf) files)))
(kill-buffer buf))
(find-file (format "%s/%s" new-dir (seq-some (apply-partially same-file active) files)))))
;;;###autoload
(defun cljr-rename-file-or-dir (old-path new-path)
"Rename a file or directory of files.
Buffers visiting any affected file are killed and the
corresponding files are revisited.
See: https://github.com/clojure-emacs/clj-refactor.el/wiki/cljr-rename-file-or-dir"
(interactive
(let ((old (read-file-name "Old path: " nil nil 'mustmatch "")))
(list old
(if (file-directory-p old)
(read-directory-name "New path: " old)
(read-file-name "New path: "
(file-name-directory old)
nil nil
(file-name-nondirectory old))))))
(cljr--ensure-op-supported "rename-file-or-dir")
(when (cljr--asts-y-or-n-p)
(let* ((active-buffer (current-buffer))
(affected-buffers (when (file-directory-p old-path)
(cljr--buffers-visiting-dir old-path)))
(old-path (expand-file-name old-path))
(new-path (cljr--maybe-replace-dash-in-file-name (expand-file-name new-path)))
(nrepl-new-path (funcall cider-to-nrepl-filename-function new-path))
(nrepl-old-path (funcall cider-to-nrepl-filename-function old-path)))
(when (y-or-n-p (format "Really rename %s to %s?" old-path new-path))
(let* ((changed-files (cljr--call-middleware-sync
(cljr--create-msg "rename-file-or-dir"
"old-path" nrepl-old-path
"new-path" nrepl-new-path)
"touched"))
(changed-files-count (length changed-files)))
(cond
((null changed-files) (cljr--post-command-message "Rename complete! No files affected."))
((= changed-files-count 1) (cljr--post-command-message "Renamed %s to %s." old-path new-path))
(t (cljr--post-command-message "Rename complete! %s files affected." changed-files-count)))
(when (and (> changed-files-count 0) (not cljr-warn-on-eval))
(cljr--warm-ast-cache)))
(if affected-buffers
(cljr--revisit-buffers affected-buffers new-path active-buffer)
(kill-buffer active-buffer)
(find-file new-path))))))
;;;###autoload
(defun cljr-rename-file (new-path)
(interactive
(let ((old (buffer-file-name)))
(list (read-file-name "New path: "
(file-name-directory old)
nil nil
(file-name-nondirectory old)))))
(cljr-rename-file-or-dir (buffer-file-name) new-path))
(defun cljr--op-supported-p (op)
"Is the OP we require provided by the current middleware stack?"
(cider-nrepl-op-supported-p op))
(defun cljr--assert-middleware ()
(unless (featurep 'cider)
(user-error "CIDER isn't installed!"))
(unless (cider-connected-p)
(user-error "CIDER isn't connected!"))
(unless (cljr--op-supported-p "find-symbol")
(user-error "The refactor-nrepl middleware isn't available! \
Did you remember to install it?")))
(defun cljr--ensure-op-supported (op)
"Check for support of middleware op OP.
Signal an error if it is not supported, otherwise return OP."
(cljr--assert-middleware)
(if (cljr--op-supported-p op)
op
(user-error "Can't find nREPL middleware providing op \"%s\". \
Please, install (or update) refactor-nrepl %s and restart the REPL."
op (upcase cljr-injected-middleware-version))))
(defun cljr--assert-leiningen-project ()
(unless (string= (file-name-nondirectory (or (cljr--project-file) ""))
"project.clj")
(user-error "Can't find project.clj!")))
;; ------ ns statements -----------