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clojure-mode.el
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;;; clojure-mode.el --- Major mode for Clojure code
;; Copyright © 2007-2013 Jeffrey Chu, Lennart Staflin, Phil Hagelberg
;;
;; Authors: Jeffrey Chu <[email protected]>
;; Lennart Staflin <[email protected]>
;; Phil Hagelberg <[email protected]>
;; URL: http://github.com/clojure-emacs/clojure-mode
;; Version: 2.1.0
;; Keywords: languages, lisp
;; This file is not part of GNU Emacs.
;;; Commentary:
;; Provides font-lock, indentation, and navigation for the Clojure
;; programming language (http://clojure.org).
;; Users of older Emacs (pre-22) should get version 1.4:
;; http://github.com/clojure-emacs/clojure-mode/tree/1.4
;; Slime integration has been removed; see the 1.x releases if you need it.
;; Using clojure-mode with paredit is highly recommended. Use paredit
;; as you would with any other minor mode; for instance:
;;
;; ;; require or autoload paredit-mode
;; (add-hook 'clojure-mode-hook 'paredit-mode)
;; See CIDER (http://github.com/clojure-emacs/cider) for
;; better interaction with subprocesses via nREPL.
;;; License:
;; 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 GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Code:
;;; Compatibility
(eval-and-compile
;; `setq-local' for Emacs 24.2 and below
(unless (fboundp 'setq-local)
(defmacro setq-local (var val)
"Set variable VAR to value VAL in current buffer."
`(set (make-local-variable ',var) ,val))))
(eval-when-compile
(defvar calculate-lisp-indent-last-sexp)
(defvar font-lock-beg)
(defvar font-lock-end)
(defvar paredit-space-for-delimiter-predicates)
(defvar paredit-version)
(defvar paredit-mode))
(require 'cl)
(require 'tramp)
(require 'inf-lisp)
(require 'imenu)
(require 'easymenu)
(declare-function clojure-test-jump-to-implementation "clojure-test-mode.el")
(defconst clojure-font-lock-keywords
(eval-when-compile
`( ;; Definitions.
(,(concat "(\\(?:clojure.core/\\)?\\("
(regexp-opt '("defn" "defn-" "def" "defonce"
"defmulti" "defmethod" "defmacro"
"defstruct" "deftype" "defprotocol"
"defrecord" "deftest" "def\\[a-z\\]"))
;; Function declarations.
"\\)\\>"
;; Any whitespace
"[ \r\n\t]*"
;; Possibly type or metadata
"\\(?:#?^\\(?:{[^}]*}\\|\\sw+\\)[ \r\n\t]*\\)*"
"\\(\\sw+\\)?")
(1 font-lock-keyword-face)
(2 font-lock-function-name-face nil t))
;; (fn name? args ...)
(,(concat "(\\(?:clojure.core/\\)?\\(fn\\)[ \t]+"
;; Possibly type
"\\(?:#?^\\sw+[ \t]*\\)?"
;; Possibly name
"\\(t\\sw+\\)?" )
(1 font-lock-keyword-face)
(2 font-lock-function-name-face nil t))
(,(concat "(\\(\\(?:[a-z\.-]+/\\)?def\[a-z\]*-?\\)"
;; Function declarations.
"\\>"
;; Any whitespace
"[ \r\n\t]*"
;; Possibly type or metadata
"\\(?:#?^\\(?:{[^}]*}\\|\\sw+\\)[ \r\n\t]*\\)*"
"\\(\\sw+\\)?")
(1 font-lock-keyword-face)
(2 font-lock-function-name-face nil t))
;; Deprecated functions
(,(concat
"(\\(?:clojure.core/\\)?"
(regexp-opt
'("add-watcher" "remove-watcher" "add-classpath") t)
"\\>")
1 font-lock-warning-face)
;; Control structures
(,(concat
"(\\(?:clojure.core/\\)?"
(regexp-opt
'("let" "letfn" "do"
"case" "cond" "condp"
"for" "loop" "recur"
"when" "when-not" "when-let" "when-first"
"if" "if-let" "if-not"
"." ".." "->" "->>" "doto"
"and" "or"
"dosync" "doseq" "dotimes" "dorun" "doall"
"load" "import" "unimport" "ns" "in-ns" "refer"
"try" "catch" "finally" "throw"
"with-open" "with-local-vars" "binding"
"gen-class" "gen-and-load-class" "gen-and-save-class"
"handler-case" "handle") t)
"\\>")
1 font-lock-keyword-face)
;; Built-ins
(,(concat
"(\\(?:clojure.core/\\)?"
(regexp-opt
'("*" "*1" "*2" "*3" "*agent*"
"*allow-unresolved-vars*" "*assert*" "*clojure-version*" "*command-line-args*" "*compile-files*"
"*compile-path*" "*e" "*err*" "*file*" "*flush-on-newline*"
"*in*" "*macro-meta*" "*math-context*" "*ns*" "*out*"
"*print-dup*" "*print-length*" "*print-level*" "*print-meta*" "*print-readably*"
"*read-eval*" "*source-path*" "*use-context-classloader*" "*warn-on-reflection*" "+"
"-" "/"
"<" "<=" "=" "==" ">"
">=" "accessor" "aclone"
"agent" "agent-errors" "aget" "alength" "alias"
"all-ns" "alter" "alter-meta!" "alter-var-root" "amap"
"ancestors" "and" "apply" "areduce" "array-map" "as->"
"aset" "aset-boolean" "aset-byte" "aset-char" "aset-double"
"aset-float" "aset-int" "aset-long" "aset-short" "assert"
"assoc" "assoc!" "assoc-in" "associative?" "atom"
"await" "await-for" "await1" "bases" "bean"
"bigdec" "bigint" "binding" "bit-and" "bit-and-not"
"bit-clear" "bit-flip" "bit-not" "bit-or" "bit-set"
"bit-shift-left" "bit-shift-right" "bit-test" "bit-xor" "boolean"
"boolean-array" "booleans" "bound-fn" "bound-fn*" "butlast"
"byte" "byte-array" "bytes" "case" "cast" "char"
"char-array" "char-escape-string" "char-name-string" "char?" "chars"
"chunk" "chunk-append" "chunk-buffer" "chunk-cons" "chunk-first"
"chunk-next" "chunk-rest" "chunked-seq?" "class" "class?"
"clear-agent-errors" "clojure-version" "coll?" "comment" "commute"
"comp" "comparator" "compare" "compare-and-set!" "compile"
"complement" "concat" "cond" "condp" "cond->" "cond->>" "conj"
"conj!" "cons" "constantly" "construct-proxy" "contains?"
"count" "counted?" "create-ns" "create-struct" "cycle"
"dec" "decimal?" "declare" "definline" "defmacro"
"defmethod" "defmulti" "defn" "defn-" "defonce"
"defstruct" "delay" "delay?" "deliver" "deref"
"derive" "descendants" "destructure" "disj" "disj!"
"dissoc" "dissoc!" "distinct" "distinct?" "doall"
"doc" "dorun" "doseq" "dosync" "dotimes"
"doto" "double" "double-array" "doubles" "drop"
"drop-last" "drop-while" "empty" "empty?" "ensure"
"enumeration-seq" "eval" "even?" "every?"
"extend" "extend-protocol" "extend-type" "extends?" "extenders" "ex-info" "ex-data"
"false?" "ffirst" "file-seq" "filter" "filterv" "find" "find-doc"
"find-ns" "find-var" "first" "flatten" "float" "float-array"
"float?" "floats" "flush" "fn" "fn?"
"fnext" "for" "force" "format" "future"
"future-call" "future-cancel" "future-cancelled?" "future-done?" "future?"
"gen-class" "gen-interface" "gensym" "get" "get-in"
"get-method" "get-proxy-class" "get-thread-bindings" "get-validator" "group-by"
"hash" "hash-map" "hash-set" "identical?" "identity" "if-let"
"if-not" "ifn?" "import" "in-ns" "inc"
"init-proxy" "instance?" "int" "int-array" "integer?"
"interleave" "intern" "interpose" "into" "into-array"
"ints" "io!" "isa?" "iterate" "iterator-seq"
"juxt" "key" "keys" "keyword" "keyword?"
"last" "lazy-cat" "lazy-seq" "let" "letfn"
"line-seq" "list" "list*" "list?" "load"
"load-file" "load-reader" "load-string" "loaded-libs" "locking"
"long" "long-array" "longs" "loop" "macroexpand"
"macroexpand-1" "make-array" "make-hierarchy" "map" "mapv" "map?"
"map-indexed" "mapcat" "max" "max-key" "memfn" "memoize"
"merge" "merge-with" "meta" "method-sig" "methods"
"min" "min-key" "mod" "name" "namespace"
"neg?" "newline" "next" "nfirst" "nil?"
"nnext" "not" "not-any?" "not-empty" "not-every?"
"not=" "ns" "ns-aliases" "ns-imports" "ns-interns"
"ns-map" "ns-name" "ns-publics" "ns-refers" "ns-resolve"
"ns-unalias" "ns-unmap" "nth" "nthnext" "num"
"number?" "odd?" "or" "parents" "partial"
"partition" "partition-all" "partition-by" "pcalls" "peek" "persistent!" "pmap"
"pop" "pop!" "pop-thread-bindings" "pos?" "pr"
"pr-str" "prefer-method" "prefers" "primitives-classnames" "print"
"print-ctor" "print-doc" "print-dup" "print-method" "print-namespace-doc"
"print-simple" "print-special-doc" "print-str" "printf" "println"
"println-str" "prn" "prn-str" "promise" "proxy"
"proxy-call-with-super" "proxy-mappings" "proxy-name" "proxy-super" "push-thread-bindings"
"pvalues" "quot" "rand" "rand-int" "range"
"ratio?" "rational?" "rationalize" "re-find" "re-groups"
"re-matcher" "re-matches" "re-pattern" "re-seq" "read"
"read-line" "read-string" "reify" "reduce" "reduce-kv" "ref" "ref-history-count"
"ref-max-history" "ref-min-history" "ref-set" "refer" "refer-clojure"
"release-pending-sends" "rem" "remove" "remove-method" "remove-ns"
"repeat" "repeatedly" "replace" "replicate"
"require" "reset!" "reset-meta!" "resolve" "rest"
"resultset-seq" "reverse" "reversible?" "rseq" "rsubseq"
"satisfies?" "second" "select-keys" "send" "send-off" "send-via" "seq"
"seq?" "seque" "sequence" "sequential?" "set"
"set-agent-send-executor!" "set-agent-send-off-executor!"
"set-validator!" "set?" "short" "short-array" "shorts"
"shutdown-agents" "slurp" "some" "some->" "some->>" "sort" "sort-by"
"sorted-map" "sorted-map-by" "sorted-set" "sorted-set-by" "sorted?"
"special-form-anchor" "special-symbol?" "spit" "split-at" "split-with" "str"
"stream?" "string?" "struct" "struct-map" "subs"
"subseq" "subvec" "supers" "swap!" "symbol"
"symbol?" "sync" "syntax-symbol-anchor" "take" "take-last"
"take-nth" "take-while" "test" "the-ns" "time"
"to-array" "to-array-2d" "trampoline" "transient" "tree-seq"
"true?" "type" "unchecked-add" "unchecked-dec" "unchecked-divide"
"unchecked-inc" "unchecked-multiply" "unchecked-negate" "unchecked-remainder" "unchecked-subtract"
"underive" "unquote" "unquote-splicing" "update-in" "update-proxy"
"use" "val" "vals" "var-get" "var-set"
"var?" "vary-meta" "vec" "vector" "vector?"
"when" "when-first" "when-let" "when-not" "while"
"with-bindings" "with-bindings*" "with-in-str" "with-loading-context" "with-local-vars"
"with-meta" "with-open" "with-out-str" "with-precision"
"with-redefs" "with-redefs-fn" "xml-seq" "zero?" "zipmap"
) t)
"\\>")
1 font-lock-builtin-face)
;;Other namespaces in clojure.jar
(,(concat
"(\\(?:\.*/\\)?"
(regexp-opt
'(;; clojure.inspector
"atom?" "collection-tag" "get-child" "get-child-count" "inspect"
"inspect-table" "inspect-tree" "is-leaf" "list-model" "list-provider"
;; clojure.main
"load-script" "main" "repl" "repl-caught" "repl-exception"
"repl-prompt" "repl-read" "skip-if-eol" "skip-whitespace" "with-bindings"
;; clojure.set
"difference" "index" "intersection" "join" "map-invert"
"project" "rename" "rename-keys" "select" "union"
;; clojure.stacktrace
"e" "print-cause-trace" "print-stack-trace" "print-throwable" "print-trace-element"
;; clojure.template
"do-template" "apply-template"
;; clojure.test
"*initial-report-counters*" "*load-tests*" "*report-counters*" "*stack-trace-depth*" "*test-out*"
"*testing-contexts*" "*testing-vars*" "are" "assert-any" "assert-expr"
"assert-predicate" "compose-fixtures" "deftest" "deftest-" "file-position"
"function?" "get-possibly-unbound-var" "inc-report-counter" "is" "join-fixtures"
"report" "run-all-tests" "run-tests" "set-test" "successful?"
"test-all-vars" "test-ns" "test-var" "testing" "testing-contexts-str"
"testing-vars-str" "try-expr" "use-fixtures" "with-test" "with-test-out"
;; clojure.walk
"keywordize-keys" "macroexpand-all" "postwalk" "postwalk-demo" "postwalk-replace"
"prewalk" "prewalk-demo" "prewalk-replace" "stringify-keys" "walk"
;; clojure.xml
"*current*" "*sb*" "*stack*" "*state*" "attrs"
"content" "content-handler" "element" "emit" "emit-element"
;; clojure.zip
"append-child" "branch?" "children" "down" "edit"
"end?" "insert-child" "insert-left" "insert-right" "left"
"leftmost" "lefts" "make-node" "next" "node"
"path" "prev" "remove" "replace" "right"
"rightmost" "rights" "root" "seq-zip" "up"
) t)
"\\>")
1 font-lock-type-face)
;; Constant values (keywords), including as metadata e.g. ^:static
("\\<^?:\\(\\sw\\|\\s_\\)+\\(\\>\\|\\_>\\)" 0 font-lock-constant-face)
;; Meta type annotation #^Type or ^Type
("#?^\\(\\sw\\|\\s_\\)+" 0 font-lock-preprocessor-face)
("\\<io\\!\\>" 0 font-lock-warning-face)
;;Java interop highlighting
("\\<\\.-?[a-z][a-zA-Z0-9]*\\>" 0 font-lock-preprocessor-face) ;; .foo .barBaz .qux01 .-flibble .-flibbleWobble
("\\<[A-Z][a-zA-Z0-9_]*[a-zA-Z0-9/$_]+\\>" 0 font-lock-preprocessor-face) ;; Foo Bar$Baz Qux_ World_OpenUDP
("\\<[a-zA-Z]+\\.[a-zA-Z0-9._]*[A-Z]+[a-zA-Z0-9/.$]*\\>" 0 font-lock-preprocessor-face) ;; Foo/Bar foo.bar.Baz foo.Bar/baz
("[a-z]*[A-Z]+[a-z][a-zA-Z0-9$]*\\>" 0 font-lock-preprocessor-face) ;; fooBar
("\\<[A-Z][a-zA-Z0-9$]*\\.\\>" 0 font-lock-preprocessor-face) ;; Foo. BarBaz. Qux$Quux. Corge9.
;; Highlight grouping constructs in regular expressions
(clojure-mode-font-lock-regexp-groups
(1 'font-lock-regexp-grouping-construct prepend))))
"Default expressions to highlight in Clojure mode.")
(defgroup clojure nil
"A mode for Clojure"
:prefix "clojure-"
:group 'languages
:link '(url-link :tag "Github" "https://github.com/clojure-emacs/clojure-mode")
:link '(emacs-commentary-link :tag "Commentary" "clojure-mode"))
(defcustom clojure-font-lock-comment-sexp nil
"Set to non-nil in order to enable font-lock of (comment...)
forms. This option is experimental. Changing this will require a
restart (ie. M-x clojure-mode) of existing clojure mode buffers."
:type 'boolean
:group 'clojure
:safe 'booleanp)
(defcustom clojure-load-command "(clojure.core/load-file \"%s\")\n"
"*Format-string for building a Clojure expression to load a file.
This format string should use `%s' to substitute a file name
and should result in a Clojure expression that will command the inferior
Clojure to load that file."
:type 'string
:group 'clojure
:safe 'stringp)
(defcustom clojure-inf-lisp-command "lein repl"
"The command used by `inferior-lisp-program'."
:type 'string
:group 'clojure
:safe 'stringp)
(defcustom clojure-defun-style-default-indent nil
"Default indenting of function and macro forms using defun rules unless
otherwise defined via `put-clojure-indent`, `define-clojure-indent`, etc."
:type 'boolean
:group 'clojure
:safe 'booleanp)
(defcustom clojure-use-backtracking-indent t
"Set to non-nil to enable backtracking/context sensitive indentation."
:type 'boolean
:group 'clojure
:safe 'booleanp)
(defcustom clojure-max-backtracking 3
"Maximum amount to backtrack up a list to check for context."
:type 'integer
:group 'clojure
:safe 'integerp)
(defcustom clojure-omit-space-between-tag-and-delimiters (list ?\[ ?\{)
"List of opening delimiter characters allowed to appear
immediately after a reader literal tag with no space, as
in :db/id[:db.part/user]"
:type '(set (const :tag "[" ?\[)
(const :tag "{" ?\{)
(const :tag "(" ?\()
(const :tag "\"" ?\"))
:group 'clojure
:safe (lambda (value)
(and (listp value)
(every 'characterp value))))
(defvar clojure-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map lisp-mode-shared-map)
(define-key map (kbd "C-M-x") 'lisp-eval-defun)
(define-key map (kbd "C-x C-e") 'lisp-eval-last-sexp)
(define-key map (kbd "C-c C-e") 'lisp-eval-last-sexp)
(define-key map (kbd "C-c C-l") 'clojure-load-file)
(define-key map (kbd "C-c C-r") 'lisp-eval-region)
(define-key map (kbd "C-c C-t") 'clojure-jump-between-tests-and-code)
(define-key map (kbd "C-c C-z") 'clojure-display-inferior-lisp-buffer)
(define-key map (kbd "C-c M-q") 'clojure-fill-docstring)
(define-key map (kbd "C-:") 'clojure-toggle-keyword-string)
map)
"Keymap for Clojure mode. Inherits from `lisp-mode-shared-map'.")
(easy-menu-define clojure-mode-menu clojure-mode-map
"Menu for Clojure mode."
'("Clojure"
["Eval Function Definition" lisp-eval-defun]
["Eval Last Sexp" lisp-eval-last-sexp]
["Eval Region" lisp-eval-region]
"--"
["Run Inferior Lisp" clojure-display-inferior-lisp-buffer]
["Display Inferior Lisp Buffer" clojure-display-inferior-lisp-buffer]
["Load File" clojure-load-file]
"--"
["Toggle between string & keyword" clojure-toggle-keyword-string]
["Fill Docstring" clojure-fill-docstring]
["Jump Between Test and Code" clojure-jump-between-tests-and-code]))
(defvar clojure-mode-syntax-table
(let ((table (copy-syntax-table emacs-lisp-mode-syntax-table)))
(modify-syntax-entry ?~ "' " table)
;; can't safely make commas whitespace since it will apply even
;; inside string literals--ick!
;; (modify-syntax-entry ?, " " table)
(modify-syntax-entry ?\{ "(}" table)
(modify-syntax-entry ?\} "){" table)
(modify-syntax-entry ?\[ "(]" table)
(modify-syntax-entry ?\] ")[" table)
(modify-syntax-entry ?^ "'" table)
;; Make hash a usual word character
(modify-syntax-entry ?# "_ p" table)
table))
(defvar clojure-prev-l/c-dir/file nil
"Record last directory and file used in loading or compiling.
This holds a cons cell of the form `(DIRECTORY . FILE)'
describing the last `clojure-load-file' or `clojure-compile-file' command.")
(defvar clojure-test-ns-segment-position -1
"Which segment of the ns is \"test\" inserted in your test name convention.
Customize this depending on your project's conventions. Negative
numbers count from the end:
leiningen.compile -> leiningen.test.compile (uses 1)
clojure.http.client -> clojure.http.test.client (uses -1)")
(defconst clojure-mode-version "2.1.0"
"The current version of `clojure-mode'.")
(defun clojure-mode-display-version ()
"Display the current `clojure-mode-version' in the minibuffer."
(interactive)
(message "clojure-mode (version %s)" clojure-mode-version))
;; For compatibility with Emacs < 24, derive conditionally
(defalias 'clojure-parent-mode
(if (fboundp 'prog-mode) 'prog-mode 'fundamental-mode))
(defun clojure-space-for-delimiter-p (endp delim)
(if (eq major-mode 'clojure-mode)
(save-excursion
(backward-char)
(if (and (or (char-equal delim ?\()
(char-equal delim ?\")
(char-equal delim ?{))
(not endp))
(if (char-equal (char-after) ?#)
(and (not (bobp))
(or (char-equal ?w (char-syntax (char-before)))
(char-equal ?_ (char-syntax (char-before)))))
t)
t))
t))
(defun clojure-no-space-after-tag (endp delimiter)
"Do not insert a space between a reader-literal tag and an
opening delimiter in the list
clojure-omit-space-between-tag-and-delimiters. Allows you to
write things like #db/id[:db.part/user] without inserting a
space between the tag and the opening bracket."
(if endp
t
(or (not (member delimiter clojure-omit-space-between-tag-and-delimiters))
(save-excursion
(let ((orig-point (point)))
(not (and (re-search-backward
"#\\([a-zA-Z0-9._-]+/\\)?[a-zA-Z0-9._-]+"
(line-beginning-position)
t)
(= orig-point (match-end 0)))))))))
;;;###autoload
(define-derived-mode clojure-mode clojure-parent-mode "Clojure"
"Major mode for editing Clojure code - similar to Lisp mode.
Commands:
Delete converts tabs to spaces as it moves back.
Blank lines separate paragraphs. Semicolons start comments.
\\{clojure-mode-map}
Note that `run-lisp' may be used either to start an inferior Lisp job
or to switch back to an existing one.
Entry to this mode calls the value of `clojure-mode-hook'
if that value is non-nil."
(setq-local imenu-create-index-function
(lambda ()
(imenu--generic-function '((nil clojure-match-next-def 0)))))
(setq-local indent-tabs-mode nil)
(lisp-mode-variables nil)
(setq-local comment-start-skip
"\\(\\(^\\|[^\\\\\n]\\)\\(\\\\\\\\\\)*\\)\\(;+\\|#|\\) *")
(setq-local lisp-indent-function 'clojure-indent-function)
(when (< emacs-major-version 24)
(setq-local forward-sexp-function 'clojure-forward-sexp))
(setq-local lisp-doc-string-elt-property 'clojure-doc-string-elt)
(setq-local inferior-lisp-program clojure-inf-lisp-command)
(setq-local parse-sexp-ignore-comments t)
(clojure-mode-font-lock-setup)
(setq-local open-paren-in-column-0-is-defun-start nil)
(add-hook 'paredit-mode-hook
(lambda ()
(when (>= paredit-version 21)
(define-key clojure-mode-map "{" 'paredit-open-curly)
(define-key clojure-mode-map "}" 'paredit-close-curly)
(add-to-list 'paredit-space-for-delimiter-predicates
'clojure-space-for-delimiter-p)
(add-to-list 'paredit-space-for-delimiter-predicates
'clojure-no-space-after-tag)))))
(defun clojure-display-inferior-lisp-buffer ()
"Display a buffer bound to `inferior-lisp-buffer'."
(interactive)
(if (and inferior-lisp-buffer (get-buffer inferior-lisp-buffer))
(pop-to-buffer inferior-lisp-buffer t)
(run-lisp inferior-lisp-program)))
(defun clojure-load-file (file-name)
"Load a Clojure file FILE-NAME into the inferior Clojure process."
(interactive (comint-get-source "Load Clojure file: "
clojure-prev-l/c-dir/file
'(clojure-mode) t))
(comint-check-source file-name) ; Check to see if buffer needs saved.
(setq clojure-prev-l/c-dir/file (cons (file-name-directory file-name)
(file-name-nondirectory file-name)))
(comint-send-string (inferior-lisp-proc)
(format clojure-load-command file-name))
(switch-to-lisp t))
(defun clojure-match-next-def ()
"Scans the buffer backwards for the next top level definition.
Called by `imenu--generic-function'."
(when (re-search-backward "^\\s *(def\\S *[ \n\t]+" nil t)
(save-excursion
(goto-char (match-end 0))
(when (looking-at "#?\\^")
(let (forward-sexp-function) ; using the built-in one
(forward-sexp))) ; skip the metadata
(re-search-forward "[^ \n\t)]+"))))
(defun clojure-mode-font-lock-setup ()
"Configures font-lock for editing Clojure code."
(interactive)
(setq-local font-lock-multiline t)
(add-to-list 'font-lock-extend-region-functions
'clojure-font-lock-extend-region-def t)
(when clojure-font-lock-comment-sexp
(add-to-list 'font-lock-extend-region-functions
'clojure-font-lock-extend-region-comment t)
(make-local-variable 'clojure-font-lock-keywords)
(add-to-list 'clojure-font-lock-keywords
'clojure-font-lock-mark-comment t)
(setq-local open-paren-in-column-0-is-defun-start nil))
(setq font-lock-defaults
'(clojure-font-lock-keywords ; keywords
nil nil
(("+-*/.<>=!?$%_&~^:@" . "w")) ; syntax alist
nil
(font-lock-mark-block-function . mark-defun)
(font-lock-syntactic-face-function
. lisp-font-lock-syntactic-face-function))))
(defun clojure-font-lock-def-at-point (point)
"Find the position range between the top-most def* and the
fourth element afterwards using POINT. Note that this means there's no
guarantee of proper font locking in def* forms that are not at
top level."
(goto-char point)
(condition-case nil
(beginning-of-defun)
(error nil))
(let ((beg-def (point)))
(when (and (not (= point beg-def))
(looking-at "(def"))
(condition-case nil
(progn
;; move forward as much as possible until failure (or success)
(forward-char)
(dotimes (i 4)
(forward-sexp)))
(error nil))
(cons beg-def (point)))))
(defun clojure-font-lock-extend-region-def ()
"Move fontification boundaries to always include the first four
elements of a def* forms."
(let ((changed nil))
(let ((def (clojure-font-lock-def-at-point font-lock-beg)))
(when def
(destructuring-bind (def-beg . def-end) def
(when (and (< def-beg font-lock-beg)
(< font-lock-beg def-end))
(setq font-lock-beg def-beg
changed t)))))
(let ((def (clojure-font-lock-def-at-point font-lock-end)))
(when def
(destructuring-bind (def-beg . def-end) def
(when (and (< def-beg font-lock-end)
(< font-lock-end def-end))
(setq font-lock-end def-end
changed t)))))
changed))
(defun clojure-mode-font-lock-regexp-groups (bound)
"Highlight grouping constructs in regular expression.
BOUND denotes the maximum number of characters (relative to the point) to check."
(catch 'found
(while (re-search-forward (concat
;; A group may start using several alternatives:
"\\(\\(?:"
;; 1. (? special groups
"(\\?\\(?:"
;; a) non-capturing group (?:X)
;; b) independent non-capturing group (?>X)
;; c) zero-width positive lookahead (?=X)
;; d) zero-width negative lookahead (?!X)
"[:=!>]\\|"
;; e) zero-width positive lookbehind (?<=X)
;; f) zero-width negative lookbehind (?<!X)
"<[=!]\\|"
;; g) named capturing group (?<name>X)
"<[[:alnum:]]+>"
"\\)\\|" ;; end of special groups
;; 2. normal capturing groups (
;; 3. we also highlight alternative
;; separarators |, and closing parens )
"[|()]"
"\\)\\)") bound t)
(let ((face (get-text-property (1- (point)) 'face)))
(when (and (or (and (listp face)
(memq 'font-lock-string-face face))
(eq 'font-lock-string-face face))
(clojure-string-start t))
(throw 'found t))))))
(defun clojure-find-block-comment-start (limit)
"Search for (comment...) or #_ style block comments.
Places point at the beginning of the expression.
LIMIT denotes the maximum number of characters (relative to the point) to check."
(let ((pos (re-search-forward "\\((comment\\>\\|#_\\)" limit t)))
(when pos
(forward-char (- (length (match-string 1))))
pos)))
(defun clojure-font-lock-extend-region-comment ()
"Move fontification boundaries to always contain entire (comment ..) and #_ sexp.
Does not work if you have a whitespace between ( and comment, but that is omitted to make
this run faster."
(let ((changed nil))
(goto-char font-lock-beg)
(condition-case nil (beginning-of-defun) (error nil))
(let ((pos (clojure-find-block-comment-start font-lock-end)))
(when pos
(when (< (point) font-lock-beg)
(setq font-lock-beg (point)
changed t))
(condition-case nil (forward-sexp) (error nil))
(when (> (point) font-lock-end)
(setq font-lock-end (point)
changed t))))
changed))
(defun clojure-font-lock-mark-comment (limit)
"Mark all (comment ..) and #_ forms with `font-lock-comment-face'.
LIMIT denotes the maximum number of characters (relative to the point) to check."
(let (pos)
(while (and (< (point) limit)
(setq pos (clojure-find-block-comment-start limit)))
(when pos
(condition-case nil
(add-text-properties (point)
(progn
(forward-sexp)
(point))
'(face font-lock-comment-face multiline t))
(error (forward-char 8))))))
nil)
;; Docstring positions
(put 'ns 'clojure-doc-string-elt 2)
(put 'defn 'clojure-doc-string-elt 2)
(put 'defn- 'clojure-doc-string-elt 2)
(put 'defmulti 'clojure-doc-string-elt 2)
(put 'defmacro 'clojure-doc-string-elt 2)
(put 'definline 'clojure-doc-string-elt 2)
(put 'defprotocol 'clojure-doc-string-elt 2)
(defun clojure-forward-sexp (n)
"Treat record literals like #user.Foo[1] and #user.Foo{:size 1}
as a single sexp so that slime will send them properly. Arguably
this behavior is unintuitive for the user pressing (eg) C-M-f
himself, but since these are single objects I think it's right."
(let ((dir (if (> n 0) 1 -1))
(forward-sexp-function nil)) ; force the built-in version
(while (not (zerop n))
(forward-sexp dir)
(when (save-excursion ; move back to see if we're in a record literal
(and
(condition-case nil
(progn (backward-sexp) 't)
('scan-error nil))
(looking-at "#\\w")))
(forward-sexp dir)) ; if so, jump over it
(setq n (- n dir)))))
(defun clojure-indent-function (indent-point state)
"This function is the normal value of the variable `lisp-indent-function'.
It is used when indenting a line within a function call, to see if the
called function says anything special about how to indent the line.
INDENT-POINT is the position where the user typed TAB, or equivalent.
Point is located at the point to indent under (for default indentation);
STATE is the `parse-partial-sexp' state for that position.
If the current line is in a call to a Lisp function
which has a non-nil property `lisp-indent-function',
that specifies how to do the indentation. The property value can be
* `defun', meaning indent `defun'-style;
* an integer N, meaning indent the first N arguments specially
like ordinary function arguments and then indent any further
arguments like a body;
* a function to call just as this function was called.
If that function returns nil, that means it doesn't specify
the indentation.
This function also returns nil meaning don't specify the indentation."
(let ((normal-indent (current-column)))
(goto-char (1+ (elt state 1)))
(parse-partial-sexp (point) calculate-lisp-indent-last-sexp 0 t)
(if (and (elt state 2)
(not (looking-at "\\sw\\|\\s_")))
;; car of form doesn't seem to be a symbol
(progn
(if (not (> (save-excursion (forward-line 1) (point))
calculate-lisp-indent-last-sexp))
(progn (goto-char calculate-lisp-indent-last-sexp)
(beginning-of-line)
(parse-partial-sexp (point)
calculate-lisp-indent-last-sexp 0 t)))
;; Indent under the list or under the first sexp on the same
;; line as calculate-lisp-indent-last-sexp. Note that first
;; thing on that line has to be complete sexp since we are
;; inside the innermost containing sexp.
(backward-prefix-chars)
(if (and (eq (char-after (point)) ?\[)
(eq (char-after (elt state 1)) ?\())
(+ (current-column) 2) ;; this is probably inside a defn
(current-column)))
(let* ((function (buffer-substring (point)
(progn (forward-sexp 1) (point))))
(open-paren (elt state 1))
(method nil)
(function-tail (first
(last
(split-string (substring-no-properties function) "/")))))
(setq method (get (intern-soft function-tail) 'clojure-indent-function))
(cond ((member (char-after open-paren) '(?\[ ?\{))
(goto-char open-paren)
(1+ (current-column)))
((or (eq method 'defun)
(and clojure-defun-style-default-indent
;; largely to preserve useful alignment of :require, etc in ns
(not (string-match "^:" function))
(not method))
(and (null method)
(> (length function) 3)
(string-match "\\`\\(?:\\S +/\\)?\\(def\\|with-\\)"
function)))
(lisp-indent-defform state indent-point))
((integerp method)
(lisp-indent-specform method state
indent-point normal-indent))
(method
(funcall method indent-point state))
(clojure-use-backtracking-indent
(clojure-backtracking-indent
indent-point state normal-indent)))))))
(defun clojure-backtracking-indent (indent-point state normal-indent)
"Experimental backtracking support.
Will upwards in an sexp to check for contextual indenting."
(let (indent (path) (depth 0))
(goto-char (elt state 1))
(while (and (not indent)
(< depth clojure-max-backtracking))
(let ((containing-sexp (point)))
(parse-partial-sexp (1+ containing-sexp) indent-point 1 t)
(when (looking-at "\\sw\\|\\s_")
(let* ((start (point))
(fn (buffer-substring start (progn (forward-sexp 1) (point))))
(meth (get (intern-soft fn) 'clojure-backtracking-indent)))
(let ((n 0))
(when (< (point) indent-point)
(condition-case ()
(progn
(forward-sexp 1)
(while (< (point) indent-point)
(parse-partial-sexp (point) indent-point 1 t)
(incf n)
(forward-sexp 1)))
(error nil)))
(push n path))
(when meth
(let ((def meth))
(dolist (p path)
(if (and (listp def)
(< p (length def)))
(setq def (nth p def))
(if (listp def)
(setq def (car (last def)))
(setq def nil))))
(goto-char (elt state 1))
(when def
(setq indent (+ (current-column) def)))))))
(goto-char containing-sexp)
(condition-case ()
(progn
(backward-up-list 1)
(incf depth))
(error (setq depth clojure-max-backtracking)))))
indent))
;; clojure backtracking indent is experimental and the format for these
;; entries are subject to change
(put 'implement 'clojure-backtracking-indent '(4 (2)))
(put 'letfn 'clojure-backtracking-indent '((2) 2))
(put 'proxy 'clojure-backtracking-indent '(4 4 (2)))
(put 'reify 'clojure-backtracking-indent '((2)))
(put 'deftype 'clojure-backtracking-indent '(4 4 (2)))
(put 'defrecord 'clojure-backtracking-indent '(4 4 (2)))
(put 'defprotocol 'clojure-backtracking-indent '(4 (2)))
(put 'extend-type 'clojure-backtracking-indent '(4 (2)))
(put 'extend-protocol 'clojure-backtracking-indent '(4 (2)))
(defun put-clojure-indent (sym indent)
(put sym 'clojure-indent-function indent))
(defmacro define-clojure-indent (&rest kvs)
`(progn
,@(mapcar (lambda (x) `(put-clojure-indent
(quote ,(first x)) ,(second x))) kvs)))
(defun add-custom-clojure-indents (name value)
(custom-set-default name value)
(mapcar (lambda (x)
(put-clojure-indent x 'defun))
value))
(defcustom clojure-defun-indents nil
"List of symbols to give defun-style indentation to in Clojure
code, in addition to those that are built-in. You can use this to
get emacs to indent your own macros the same as it does the
built-ins like with-open. To set manually from lisp code,
use (put-clojure-indent 'some-symbol 'defun)."
:type '(repeat symbol)
:group 'clojure
:set 'add-custom-clojure-indents)
(define-clojure-indent
;; built-ins
(ns 1)
(fn 'defun)
(def 'defun)
(defn 'defun)
(bound-fn 'defun)
(if 1)
(if-not 1)
(case 1)
(condp 2)
(when 1)
(while 1)
(when-not 1)
(when-first 1)
(do 0)
(future 0)
(comment 0)
(doto 1)
(locking 1)
(proxy 2)
(with-open 1)
(with-precision 1)
(with-local-vars 1)
(reify 'defun)
(deftype 2)
(defrecord 2)
(defprotocol 1)
(extend 1)
(extend-protocol 1)
(extend-type 1)
(try 0)
(catch 2)
(finally 0)
;; binding forms
(let 1)
(letfn 1)
(binding 1)
(loop 1)
(for 1)
(doseq 1)
(dotimes 1)
(when-let 1)
(if-let 1)
;; data structures
(defstruct 1)
(struct-map 1)
(assoc 1)
(defmethod 'defun)
;; clojure.test
(testing 1)
(deftest 'defun)
(are 1)
(use-fixtures 'defun))
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;; Better docstring filling for clojure-mode
;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
(defun clojure-string-start (&optional regex)
"Return the position of the \" that begins the string at point.
If REGEX is non-nil, return the position of the # that begins
the regex at point. If point is not inside a string or regex,
return nil."
(when (nth 3 (syntax-ppss)) ;; Are we really in a string?
(save-excursion
(save-match-data
;; Find a quote that appears immediately after whitespace,
;; beginning of line, hash, or an open paren, brace, or bracket
(re-search-backward "\\(\\s-\\|^\\|#\\|(\\|\\[\\|{\\)\\(\"\\)")
(let ((beg (match-beginning 2)))
(when beg
(if regex
(and (char-equal ?# (char-before beg)) (1- beg))
(when (not (char-equal ?# (char-before beg)))
beg))))))))
(defun clojure-char-at-point ()
"Return the char at point or nil if at buffer end."
(when (not (= (point) (point-max)))
(buffer-substring-no-properties (point) (1+ (point)))))
(defun clojure-char-before-point ()
"Return the char before point or nil if at buffer beginning."
(when (not (= (point) (point-min)))
(buffer-substring-no-properties (point) (1- (point)))))
;; TODO: Deal with the fact that when point is exactly at the
;; beginning of a string, it thinks that is the end.
(defun clojure-string-end ()
"Return the position of the \" that ends the string at point.
Note that point must be inside the string - if point is
positioned at the opening quote, incorrect results will be
returned."
(save-excursion
(save-match-data
;; If we're at the end of the string, just return point.
(if (and (string= (clojure-char-at-point) "\"")
(not (string= (clojure-char-before-point) "\\")))
(point)
;; We don't want to get screwed by starting out at the
;; backslash in an escaped quote.
(when (string= (clojure-char-at-point) "\\")
(backward-char))
;; Look for a quote not preceeded by a backslash
(re-search-forward "[^\\]\\\(\\\"\\)")
(match-beginning 1)))))
(defun clojure-docstring-start+end-points ()
"Return the start and end points of the string at point as a cons."
(if (and (fboundp 'paredit-string-start+end-points) paredit-mode)
(paredit-string-start+end-points)
(cons (clojure-string-start) (clojure-string-end))))
(defun clojure-mark-string ()
"Mark the string at point."
(interactive)