;;; lisp-mode.el --- Lisp mode, and its idiosyncratic commands -*- lexical-binding:t -*-
-;; Copyright (C) 1985-1986, 1999-2015 Free Software Foundation, Inc.
+;; Copyright (C) 1985-1986, 1999-2016 Free Software Foundation, Inc.
;; Maintainer: emacs-devel@gnu.org
;; Keywords: lisp, languages
;;; Code:
+(eval-when-compile (require 'cl-lib))
+
(defvar font-lock-comment-face)
(defvar font-lock-doc-face)
(defvar font-lock-keywords-case-fold-search)
table)
"Syntax table used in `lisp-mode'.")
+(eval-and-compile
+ (defconst lisp-mode-symbol-regexp "\\(?:\\sw\\|\\s_\\|\\\\.\\)+"))
+
(defvar lisp-imenu-generic-expression
(list
(list nil
(regexp-opt
'("defun" "defmacro"
;; Elisp.
- "defun*" "defsubst"
+ "defun*" "defsubst" "define-inline"
"define-advice" "defadvice" "define-skeleton"
"define-compilation-mode" "define-minor-mode"
"define-global-minor-mode"
"define-globalized-minor-mode"
"define-derived-mode" "define-generic-mode"
+ "ert-deftest"
"cl-defun" "cl-defsubst" "cl-defmacro"
- "cl-define-compiler-macro"
+ "cl-define-compiler-macro" "cl-defgeneric"
+ "cl-defmethod"
;; CL.
"define-compiler-macro" "define-modify-macro"
"defsetf" "define-setf-expander"
;; CLOS and EIEIO
"defgeneric" "defmethod")
t))
- "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))
+ "\\s-+\\(" lisp-mode-symbol-regexp "\\)"))
2)
(list (purecopy "Variables")
(purecopy (concat "^\\s-*("
"defconstant"
"defparameter" "define-symbol-macro")
t))
- "\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"))
+ "\\s-+\\(" lisp-mode-symbol-regexp "\\)"))
2)
- ;; For `defvar', we ignore (defvar FOO) constructs.
+ ;; For `defvar'/`defvar-local', we ignore (defvar FOO) constructs.
(list (purecopy "Variables")
- (purecopy (concat "^\\s-*(defvar\\s-+\\(\\(\\sw\\|\\s_\\)+\\)"
+ (purecopy (concat "^\\s-*(defvar\\(?:-local\\)?\\s-+\\("
+ lisp-mode-symbol-regexp "\\)"
"[[:space:]\n]+[^)]"))
1)
(list (purecopy "Types")
;; CLOS and EIEIO
"defclass")
t))
- "\\s-+'?\\(\\(\\sw\\|\\s_\\)+\\)"))
+ "\\s-+'?\\(" lisp-mode-symbol-regexp "\\)"))
2))
"Imenu generic expression for Lisp mode. See `imenu-generic-expression'.")
(defvar lisp-doc-string-elt-property 'doc-string-elt
"The symbol property that holds the docstring position info.")
+(defconst lisp-prettify-symbols-alist '(("lambda" . ?λ))
+ "Alist of symbol/\"pretty\" characters to be displayed.")
;;;; Font-lock support.
(< (point) pos))))))))))
(defun lisp--el-match-keyword (limit)
+ ;; FIXME: Move to elisp-mode.el.
(catch 'found
- (while (re-search-forward "(\\(\\(?:\\sw\\|\\s_\\)+\\)\\_>" limit t)
+ (while (re-search-forward
+ (eval-when-compile
+ (concat "(\\(" lisp-mode-symbol-regexp "\\)\\_>"))
+ limit t)
(let ((sym (intern-soft (match-string 1))))
(when (or (special-form-p sym)
(and (macrop sym)
(match-beginning 0)))))
(throw 'found t))))))
-(defun lisp--el-font-lock-flush-elisp-buffers (&optional file)
- ;; Don't flush during load unless called from after-load-functions.
- ;; In that case, FILE is non-nil. It's somehow strange that
- ;; load-in-progress is t when an after-load-function is called since
- ;; that should run *after* the load...
- (when (or (not load-in-progress) file)
- (dolist (buf (buffer-list))
- (with-current-buffer buf
- (when (derived-mode-p 'emacs-lisp-mode)
- (font-lock-flush))))))
-
-(pcase-let
- ((`(,vdefs ,tdefs
- ,el-defs-re ,cl-defs-re
- ,el-kws-re ,cl-kws-re
- ,el-errs-re ,cl-errs-re)
- (eval-when-compile
- (let ((lisp-fdefs '("defmacro" "defsubst" "defun"))
- (lisp-vdefs '("defvar"))
- (lisp-kw '("cond" "if" "while" "let" "let*" "progn" "prog1"
- "prog2" "lambda" "unwind-protect" "condition-case"
- "when" "unless" "with-output-to-string"
- "ignore-errors" "dotimes" "dolist" "declare"))
- (lisp-errs '("warn" "error" "signal"))
- ;; Elisp constructs. Now they are update dynamically
- ;; from obarray but they are also used for setting up
- ;; the keywords for Common Lisp.
- (el-fdefs '("define-advice" "defadvice" "defalias"
- "define-derived-mode" "define-minor-mode"
- "define-generic-mode" "define-global-minor-mode"
- "define-globalized-minor-mode" "define-skeleton"
- "define-widget"))
- (el-vdefs '("defconst" "defcustom" "defvaralias" "defvar-local"
- "defface"))
- (el-tdefs '("defgroup" "deftheme"))
- (el-kw '("while-no-input" "letrec" "pcase" "pcase-exhaustive"
- "pcase-lambda" "pcase-let" "pcase-let*" "save-restriction"
- "save-excursion" "save-selected-window"
- ;; "eval-after-load" "eval-next-after-load"
- "save-window-excursion" "save-current-buffer"
- "save-match-data" "combine-after-change-calls"
- "condition-case-unless-debug" "track-mouse"
- "eval-and-compile" "eval-when-compile" "with-case-table"
- "with-category-table" "with-coding-priority"
- "with-current-buffer" "with-demoted-errors"
- "with-electric-help" "with-eval-after-load"
- "with-file-modes"
- "with-local-quit" "with-no-warnings"
- "with-output-to-temp-buffer" "with-selected-window"
- "with-selected-frame" "with-silent-modifications"
- "with-syntax-table" "with-temp-buffer" "with-temp-file"
- "with-temp-message" "with-timeout"
- "with-timeout-handler"))
- (el-errs '("user-error"))
- ;; Common-Lisp constructs supported by EIEIO. FIXME: namespace.
- (eieio-fdefs '("defgeneric" "defmethod"))
- (eieio-tdefs '("defclass"))
- (eieio-kw '("with-slots"))
- ;; Common-Lisp constructs supported by cl-lib.
- (cl-lib-fdefs '("defmacro" "defsubst" "defun" "defmethod"))
- (cl-lib-tdefs '("defstruct" "deftype"))
- (cl-lib-kw '("progv" "eval-when" "case" "ecase" "typecase"
- "etypecase" "ccase" "ctypecase" "loop" "do" "do*"
- "the" "locally" "proclaim" "declaim" "letf" "go"
- ;; "lexical-let" "lexical-let*"
- "symbol-macrolet" "flet" "flet*" "destructuring-bind"
- "labels" "macrolet" "tagbody" "multiple-value-bind"
- "block" "return" "return-from"))
- (cl-lib-errs '("assert" "check-type"))
- ;; Common-Lisp constructs not supported by cl-lib.
- (cl-fdefs '("defsetf" "define-method-combination"
- "define-condition" "define-setf-expander"
- ;; "define-function"??
- "define-compiler-macro" "define-modify-macro"))
- (cl-vdefs '("define-symbol-macro" "defconstant" "defparameter"))
- (cl-tdefs '("defpackage" "defstruct" "deftype"))
- (cl-kw '("prog" "prog*" "handler-case" "handler-bind"
- "in-package" "restart-case" ;; "inline"
- "restart-bind" "break" "multiple-value-prog1"
- "compiler-let" "with-accessors" "with-compilation-unit"
- "with-condition-restarts" "with-hash-table-iterator"
- "with-input-from-string" "with-open-file"
- "with-open-stream" "with-package-iterator"
- "with-simple-restart" "with-standard-io-syntax"))
- (cl-errs '("abort" "cerror")))
-
- (list (append lisp-vdefs el-vdefs cl-vdefs)
- (append el-tdefs eieio-tdefs cl-tdefs cl-lib-tdefs
- (mapcar (lambda (s) (concat "cl-" s)) cl-lib-tdefs))
-
- ;; Elisp and Common Lisp definers.
- (regexp-opt (append lisp-fdefs lisp-vdefs
- el-fdefs el-vdefs el-tdefs
- (mapcar (lambda (s) (concat "cl-" s))
- (append cl-lib-fdefs cl-lib-tdefs))
- eieio-fdefs eieio-tdefs)
- t)
- (regexp-opt (append lisp-fdefs lisp-vdefs
- cl-lib-fdefs cl-lib-tdefs
- eieio-fdefs eieio-tdefs
- cl-fdefs cl-vdefs cl-tdefs)
- t)
-
- ;; Elisp and Common Lisp keywords.
- (regexp-opt (append
- lisp-kw el-kw eieio-kw
- (cons "go" (mapcar (lambda (s) (concat "cl-" s))
- (remove "go" cl-lib-kw))))
- t)
- (regexp-opt (append lisp-kw cl-kw eieio-kw cl-lib-kw)
- t)
-
- ;; Elisp and Common Lisp "errors".
- (regexp-opt (append (mapcar (lambda (s) (concat "cl-" s))
- cl-lib-errs)
- lisp-errs el-errs)
- t)
- (regexp-opt (append lisp-errs cl-lib-errs cl-errs) t))))))
-
- (dolist (v vdefs)
- (put (intern v) 'lisp-define-type 'var))
- (dolist (v tdefs)
- (put (intern v) 'lisp-define-type 'type))
-
- (define-obsolete-variable-alias 'lisp-font-lock-keywords-1
- 'lisp-el-font-lock-keywords-1 "24.4")
- (defconst lisp-el-font-lock-keywords-1
- `( ;; Definitions.
- (,(concat "(" el-defs-re "\\_>"
- ;; Any whitespace and defined object.
- "[ \t']*"
- "\\(([ \t']*\\)?" ;; An opening paren.
- "\\(\\(setf\\)[ \t]+\\(?:\\sw\\|\\s_\\)+\\|\\(?:\\sw\\|\\s_\\)+\\)?")
- (1 font-lock-keyword-face)
- (3 (let ((type (get (intern-soft (match-string 1)) 'lisp-define-type)))
- (cond ((eq type 'var) font-lock-variable-name-face)
- ((eq type 'type) font-lock-type-face)
- ;; If match-string 2 is non-nil, we encountered a
- ;; form like (defalias (intern (concat s "-p"))),
- ;; unless match-string 4 is also there. Then its a
- ;; defmethod with (setf foo) as name.
- ((or (not (match-string 2)) ;; Normal defun.
- (and (match-string 2) ;; Setf method.
- (match-string 4))) font-lock-function-name-face)))
- nil t))
- ;; Emacs Lisp autoload cookies. Supports the slightly different
- ;; forms used by mh-e, calendar, etc.
- ("^;;;###\\([-a-z]*autoload\\)" 1 font-lock-warning-face prepend))
- "Subdued level highlighting for Emacs Lisp mode.")
-
- (defconst lisp-cl-font-lock-keywords-1
- `( ;; Definitions.
- (,(concat "(" cl-defs-re "\\_>"
- ;; Any whitespace and defined object.
- "[ \t']*"
- "\\(([ \t']*\\)?" ;; An opening paren.
- "\\(\\(setf\\)[ \t]+\\(?:\\sw\\|\\s_\\)+\\|\\(?:\\sw\\|\\s_\\)+\\)?")
- (1 font-lock-keyword-face)
- (3 (let ((type (get (intern-soft (match-string 1)) 'lisp-define-type)))
- (cond ((eq type 'var) font-lock-variable-name-face)
- ((eq type 'type) font-lock-type-face)
- ((or (not (match-string 2)) ;; Normal defun.
- (and (match-string 2) ;; Setf function.
- (match-string 4))) font-lock-function-name-face)))
- nil t)))
- "Subdued level highlighting for Lisp modes.")
-
- (define-obsolete-variable-alias 'lisp-font-lock-keywords-2
- 'lisp-el-font-lock-keywords-2 "24.4")
- (defconst lisp-el-font-lock-keywords-2
- (append
- lisp-el-font-lock-keywords-1
- `( ;; Regexp negated char group.
- ("\\[\\(\\^\\)" 1 font-lock-negation-char-face prepend)
- ;; Control structures. Common Lisp forms.
- (lisp--el-match-keyword . 1)
- ;; Exit/Feature symbols as constants.
- (,(concat "(\\(catch\\|throw\\|featurep\\|provide\\|require\\)\\_>"
- "[ \t']*\\(\\(?:\\sw\\|\\s_\\)+\\)?")
- (1 font-lock-keyword-face)
- (2 font-lock-constant-face nil t))
- ;; Erroneous structures.
- (,(concat "(" el-errs-re "\\_>")
- (1 font-lock-warning-face))
- ;; Words inside \\[] tend to be for `substitute-command-keys'.
- ("\\\\\\\\\\[\\(\\(?:\\sw\\|\\s_\\)+\\)\\]"
- (1 font-lock-constant-face prepend))
- ;; Words inside `' tend to be symbol names.
- ("`\\(\\(?:\\sw\\|\\s_\\)\\(?:\\sw\\|\\s_\\)+\\)'"
- (1 font-lock-constant-face prepend))
- ;; Constant values.
- ("\\_<:\\(?:\\sw\\|\\s_\\)+\\_>" 0 font-lock-builtin-face)
- ;; ELisp and CLisp `&' keywords as types.
- ("\\_<\\&\\(?:\\sw\\|\\s_\\)+\\_>" . font-lock-type-face)
- ;; ELisp regexp grouping constructs
- (,(lambda (bound)
- (catch 'found
- ;; The following loop is needed to continue searching after matches
- ;; that do not occur in strings. The associated regexp matches one
- ;; of `\\\\' `\\(' `\\(?:' `\\|' `\\)'. `\\\\' has been included to
- ;; avoid highlighting, for example, `\\(' in `\\\\('.
- (while (re-search-forward "\\(\\\\\\\\\\)\\(?:\\(\\\\\\\\\\)\\|\\((\\(?:\\?[0-9]*:\\)?\\|[|)]\\)\\)" bound t)
- (unless (match-beginning 2)
- (let ((face (get-text-property (1- (point)) 'face)))
- (when (or (and (listp face)
- (memq 'font-lock-string-face face))
- (eq 'font-lock-string-face face))
- (throw 'found t)))))))
- (1 'font-lock-regexp-grouping-backslash prepend)
- (3 'font-lock-regexp-grouping-construct prepend))
- ;; This is too general -- rms.
- ;; A user complained that he has functions whose names start with `do'
- ;; and that they get the wrong color.
- ;; ;; CL `with-' and `do-' constructs
- ;;("(\\(\\(do-\\|with-\\)\\(\\s_\\|\\w\\)*\\)" 1 font-lock-keyword-face)
- (lisp--match-hidden-arg
- (0 '(face font-lock-warning-face
- help-echo "Hidden behind deeper element; move to another line?")))
- ))
- "Gaudy level highlighting for Emacs Lisp mode.")
-
- (defconst lisp-cl-font-lock-keywords-2
- (append
- lisp-cl-font-lock-keywords-1
- `( ;; Regexp negated char group.
- ("\\[\\(\\^\\)" 1 font-lock-negation-char-face prepend)
- ;; Control structures. Common Lisp forms.
- (,(concat "(" cl-kws-re "\\_>") . 1)
- ;; Exit/Feature symbols as constants.
- (,(concat "(\\(catch\\|throw\\|provide\\|require\\)\\_>"
- "[ \t']*\\(\\(?:\\sw\\|\\s_\\)+\\)?")
- (1 font-lock-keyword-face)
- (2 font-lock-constant-face nil t))
- ;; Erroneous structures.
- (,(concat "(" cl-errs-re "\\_>")
- (1 font-lock-warning-face))
- ;; Words inside `' tend to be symbol names.
- ("`\\(\\(?:\\sw\\|\\s_\\)\\(?:\\sw\\|\\s_\\)+\\)'"
- (1 font-lock-constant-face prepend))
- ;; Constant values.
- ("\\_<:\\(?:\\sw\\|\\s_\\)+\\_>" 0 font-lock-builtin-face)
- ;; ELisp and CLisp `&' keywords as types.
- ("\\_<\\&\\(?:\\sw\\|\\s_\\)+\\_>" . font-lock-type-face)
- ;; This is too general -- rms.
- ;; A user complained that he has functions whose names start with `do'
- ;; and that they get the wrong color.
- ;; ;; CL `with-' and `do-' constructs
- ;;("(\\(\\(do-\\|with-\\)\\(\\s_\\|\\w\\)*\\)" 1 font-lock-keyword-face)
- (lisp--match-hidden-arg
- (0 '(face font-lock-warning-face
- help-echo "Hidden behind deeper element; move to another line?")))
- ))
- "Gaudy level highlighting for Lisp modes."))
+(defmacro let-when-compile (bindings &rest body)
+ "Like `let*', but allow for compile time optimization.
+Use BINDINGS as in regular `let*', but in BODY each usage should
+be wrapped in `eval-when-compile'.
+This will generate compile-time constants from BINDINGS."
+ (declare (indent 1) (debug let))
+ (letrec ((loop
+ (lambda (bindings)
+ (if (null bindings)
+ (macroexpand-all (macroexp-progn body)
+ macroexpand-all-environment)
+ (let ((binding (pop bindings)))
+ (cl-progv (list (car binding))
+ (list (eval (nth 1 binding) t))
+ (funcall loop bindings)))))))
+ (funcall loop bindings)))
+
+(let-when-compile
+ ((lisp-fdefs '("defmacro" "defun"))
+ (lisp-vdefs '("defvar"))
+ (lisp-kw '("cond" "if" "while" "let" "let*" "progn" "prog1"
+ "prog2" "lambda" "unwind-protect" "condition-case"
+ "when" "unless" "with-output-to-string"
+ "ignore-errors" "dotimes" "dolist" "declare"))
+ (lisp-errs '("warn" "error" "signal"))
+ ;; Elisp constructs. Now they are update dynamically
+ ;; from obarray but they are also used for setting up
+ ;; the keywords for Common Lisp.
+ (el-fdefs '("defsubst" "cl-defsubst" "define-inline"
+ "define-advice" "defadvice" "defalias"
+ "define-derived-mode" "define-minor-mode"
+ "define-generic-mode" "define-global-minor-mode"
+ "define-globalized-minor-mode" "define-skeleton"
+ "define-widget" "ert-deftest"))
+ (el-vdefs '("defconst" "defcustom" "defvaralias" "defvar-local"
+ "defface"))
+ (el-tdefs '("defgroup" "deftheme"))
+ (el-errs '("user-error"))
+ ;; Common-Lisp constructs supported by EIEIO. FIXME: namespace.
+ (eieio-fdefs '("defgeneric" "defmethod"))
+ (eieio-tdefs '("defclass"))
+ ;; Common-Lisp constructs supported by cl-lib.
+ (cl-lib-fdefs '("defmacro" "defsubst" "defun" "defmethod" "defgeneric"))
+ (cl-lib-tdefs '("defstruct" "deftype"))
+ (cl-lib-errs '("assert" "check-type"))
+ ;; Common-Lisp constructs not supported by cl-lib.
+ (cl-fdefs '("defsetf" "define-method-combination"
+ "define-condition" "define-setf-expander"
+ ;; "define-function"??
+ "define-compiler-macro" "define-modify-macro"))
+ (cl-vdefs '("define-symbol-macro" "defconstant" "defparameter"))
+ (cl-tdefs '("defpackage" "defstruct" "deftype"))
+ (cl-kw '("block" "break" "case" "ccase" "compiler-let" "ctypecase"
+ "declaim" "destructuring-bind" "do" "do*"
+ "ecase" "etypecase" "eval-when" "flet" "flet*"
+ "go" "handler-case" "handler-bind" "in-package" ;; "inline"
+ "labels" "letf" "locally" "loop"
+ "macrolet" "multiple-value-bind" "multiple-value-prog1"
+ "proclaim" "prog" "prog*" "progv"
+ "restart-case" "restart-bind" "return" "return-from"
+ "symbol-macrolet" "tagbody" "the" "typecase"
+ "with-accessors" "with-compilation-unit"
+ "with-condition-restarts" "with-hash-table-iterator"
+ "with-input-from-string" "with-open-file"
+ "with-open-stream" "with-package-iterator"
+ "with-simple-restart" "with-slots" "with-standard-io-syntax"))
+ (cl-errs '("abort" "cerror")))
+ (let ((vdefs (eval-when-compile
+ (append lisp-vdefs el-vdefs cl-vdefs)))
+ (tdefs (eval-when-compile
+ (append el-tdefs eieio-tdefs cl-tdefs cl-lib-tdefs
+ (mapcar (lambda (s) (concat "cl-" s)) cl-lib-tdefs))))
+ ;; Elisp and Common Lisp definers.
+ (el-defs-re (eval-when-compile
+ (regexp-opt (append lisp-fdefs lisp-vdefs
+ el-fdefs el-vdefs el-tdefs
+ (mapcar (lambda (s) (concat "cl-" s))
+ (append cl-lib-fdefs cl-lib-tdefs))
+ eieio-fdefs eieio-tdefs)
+ t)))
+ (cl-defs-re (eval-when-compile
+ (regexp-opt (append lisp-fdefs lisp-vdefs
+ cl-lib-fdefs cl-lib-tdefs
+ eieio-fdefs eieio-tdefs
+ cl-fdefs cl-vdefs cl-tdefs)
+ t)))
+ ;; Common Lisp keywords (Elisp keywords are handled dynamically).
+ (cl-kws-re (eval-when-compile
+ (regexp-opt (append lisp-kw cl-kw) t)))
+ ;; Elisp and Common Lisp "errors".
+ (el-errs-re (eval-when-compile
+ (regexp-opt (append (mapcar (lambda (s) (concat "cl-" s))
+ cl-lib-errs)
+ lisp-errs el-errs)
+ t)))
+ (cl-errs-re (eval-when-compile
+ (regexp-opt (append lisp-errs cl-lib-errs cl-errs) t))))
+ (dolist (v vdefs)
+ (put (intern v) 'lisp-define-type 'var))
+ (dolist (v tdefs)
+ (put (intern v) 'lisp-define-type 'type))
+
+ (define-obsolete-variable-alias 'lisp-font-lock-keywords-1
+ 'lisp-el-font-lock-keywords-1 "24.4")
+ (defconst lisp-el-font-lock-keywords-1
+ `( ;; Definitions.
+ (,(concat "(" el-defs-re "\\_>"
+ ;; Any whitespace and defined object.
+ "[ \t']*"
+ "\\(([ \t']*\\)?" ;; An opening paren.
+ "\\(\\(setf\\)[ \t]+" lisp-mode-symbol-regexp
+ "\\|" lisp-mode-symbol-regexp "\\)?")
+ (1 font-lock-keyword-face)
+ (3 (let ((type (get (intern-soft (match-string 1)) 'lisp-define-type)))
+ (cond ((eq type 'var) font-lock-variable-name-face)
+ ((eq type 'type) font-lock-type-face)
+ ;; If match-string 2 is non-nil, we encountered a
+ ;; form like (defalias (intern (concat s "-p"))),
+ ;; unless match-string 4 is also there. Then its a
+ ;; defmethod with (setf foo) as name.
+ ((or (not (match-string 2)) ;; Normal defun.
+ (and (match-string 2) ;; Setf method.
+ (match-string 4)))
+ font-lock-function-name-face)))
+ nil t))
+ ;; Emacs Lisp autoload cookies. Supports the slightly different
+ ;; forms used by mh-e, calendar, etc.
+ ("^;;;###\\([-a-z]*autoload\\)" 1 font-lock-warning-face prepend))
+ "Subdued level highlighting for Emacs Lisp mode.")
+
+ (defconst lisp-cl-font-lock-keywords-1
+ `( ;; Definitions.
+ (,(concat "(" cl-defs-re "\\_>"
+ ;; Any whitespace and defined object.
+ "[ \t']*"
+ "\\(([ \t']*\\)?" ;; An opening paren.
+ "\\(\\(setf\\)[ \t]+" lisp-mode-symbol-regexp
+ "\\|" lisp-mode-symbol-regexp "\\)?")
+ (1 font-lock-keyword-face)
+ (3 (let ((type (get (intern-soft (match-string 1)) 'lisp-define-type)))
+ (cond ((eq type 'var) font-lock-variable-name-face)
+ ((eq type 'type) font-lock-type-face)
+ ((or (not (match-string 2)) ;; Normal defun.
+ (and (match-string 2) ;; Setf function.
+ (match-string 4)))
+ font-lock-function-name-face)))
+ nil t)))
+ "Subdued level highlighting for Lisp modes.")
+
+ (define-obsolete-variable-alias 'lisp-font-lock-keywords-2
+ 'lisp-el-font-lock-keywords-2 "24.4")
+ (defconst lisp-el-font-lock-keywords-2
+ (append
+ lisp-el-font-lock-keywords-1
+ `( ;; Regexp negated char group.
+ ("\\[\\(\\^\\)" 1 font-lock-negation-char-face prepend)
+ ;; Erroneous structures.
+ (,(concat "(" el-errs-re "\\_>")
+ (1 font-lock-warning-face))
+ ;; Control structures. Common Lisp forms.
+ (lisp--el-match-keyword . 1)
+ ;; Exit/Feature symbols as constants.
+ (,(concat "(\\(catch\\|throw\\|featurep\\|provide\\|require\\)\\_>"
+ "[ \t']*\\(" lisp-mode-symbol-regexp "\\)?")
+ (1 font-lock-keyword-face)
+ (2 font-lock-constant-face nil t))
+ ;; Words inside \\[] tend to be for `substitute-command-keys'.
+ (,(concat "\\\\\\\\\\[\\(" lisp-mode-symbol-regexp "\\)\\]")
+ (1 font-lock-constant-face prepend))
+ ;; Words inside ‘’ and `' tend to be symbol names.
+ (,(concat "[`‘]\\(\\(?:\\sw\\|\\s_\\|\\\\.\\)"
+ lisp-mode-symbol-regexp "\\)['’]")
+ (1 font-lock-constant-face prepend))
+ ;; Constant values.
+ (,(concat "\\_<:" lisp-mode-symbol-regexp "\\_>")
+ (0 font-lock-builtin-face))
+ ;; ELisp and CLisp `&' keywords as types.
+ (,(concat "\\_<\\&" lisp-mode-symbol-regexp "\\_>")
+ . font-lock-type-face)
+ ;; ELisp regexp grouping constructs
+ (,(lambda (bound)
+ (catch 'found
+ ;; The following loop is needed to continue searching after matches
+ ;; that do not occur in strings. The associated regexp matches one
+ ;; of `\\\\' `\\(' `\\(?:' `\\|' `\\)'. `\\\\' has been included to
+ ;; avoid highlighting, for example, `\\(' in `\\\\('.
+ (while (re-search-forward "\\(\\\\\\\\\\)\\(?:\\(\\\\\\\\\\)\\|\\((\\(?:\\?[0-9]*:\\)?\\|[|)]\\)\\)" bound t)
+ (unless (match-beginning 2)
+ (let ((face (get-text-property (1- (point)) 'face)))
+ (when (or (and (listp face)
+ (memq 'font-lock-string-face face))
+ (eq 'font-lock-string-face face))
+ (throw 'found t)))))))
+ (1 'font-lock-regexp-grouping-backslash prepend)
+ (3 'font-lock-regexp-grouping-construct prepend))
+ ;; This is too general -- rms.
+ ;; A user complained that he has functions whose names start with `do'
+ ;; and that they get the wrong color.
+ ;; ;; CL `with-' and `do-' constructs
+ ;;("(\\(\\(do-\\|with-\\)\\(\\s_\\|\\w\\)*\\)" 1 font-lock-keyword-face)
+ (lisp--match-hidden-arg
+ (0 '(face font-lock-warning-face
+ help-echo "Hidden behind deeper element; move to another line?")))
+ ))
+ "Gaudy level highlighting for Emacs Lisp mode.")
+
+ (defconst lisp-cl-font-lock-keywords-2
+ (append
+ lisp-cl-font-lock-keywords-1
+ `( ;; Regexp negated char group.
+ ("\\[\\(\\^\\)" 1 font-lock-negation-char-face prepend)
+ ;; Control structures. Common Lisp forms.
+ (,(concat "(" cl-kws-re "\\_>") . 1)
+ ;; Exit/Feature symbols as constants.
+ (,(concat "(\\(catch\\|throw\\|provide\\|require\\)\\_>"
+ "[ \t']*\\(" lisp-mode-symbol-regexp "\\)?")
+ (1 font-lock-keyword-face)
+ (2 font-lock-constant-face nil t))
+ ;; Erroneous structures.
+ (,(concat "(" cl-errs-re "\\_>")
+ (1 font-lock-warning-face))
+ ;; Words inside ‘’ and `' tend to be symbol names.
+ (,(concat "[`‘]\\(\\(?:\\sw\\|\\s_\\|\\\\.\\)"
+ lisp-mode-symbol-regexp "\\)['’]")
+ (1 font-lock-constant-face prepend))
+ ;; Constant values.
+ (,(concat "\\_<:" lisp-mode-symbol-regexp "\\_>")
+ (0 font-lock-builtin-face))
+ ;; ELisp and CLisp `&' keywords as types.
+ (,(concat "\\_<\\&" lisp-mode-symbol-regexp "\\_>")
+ . font-lock-type-face)
+ ;; This is too general -- rms.
+ ;; A user complained that he has functions whose names start with `do'
+ ;; and that they get the wrong color.
+ ;; ;; CL `with-' and `do-' constructs
+ ;;("(\\(\\(do-\\|with-\\)\\(\\s_\\|\\w\\)*\\)" 1 font-lock-keyword-face)
+ (lisp--match-hidden-arg
+ (0 '(face font-lock-warning-face
+ help-echo "Hidden behind deeper element; move to another line?")))
+ ))
+ "Gaudy level highlighting for Lisp modes.")))
(define-obsolete-variable-alias 'lisp-font-lock-keywords
'lisp-el-font-lock-keywords "24.4")
"Default expressions to highlight in Lisp modes.")
(defun lisp-string-in-doc-position-p (listbeg startpos)
+ "Return true if a doc string may occur at STARTPOS inside a list.
+LISTBEG is the position of the start of the innermost list
+containing STARTPOS."
(let* ((firstsym (and listbeg
(save-excursion
(goto-char listbeg)
- (and (looking-at "([ \t\n]*\\(\\(\\sw\\|\\s_\\)+\\)")
+ (and (looking-at
+ (eval-when-compile
+ (concat "([ \t\n]*\\("
+ lisp-mode-symbol-regexp "\\)")))
(match-string 1)))))
(docelt (and firstsym
(function-get (intern-soft firstsym)
(= (point) startpos))))))
(defun lisp-string-after-doc-keyword-p (listbeg startpos)
+ "Return true if `:documentation' symbol ends at STARTPOS inside a list.
+LISTBEG is the position of the start of the innermost list
+containing STARTPOS."
(and listbeg ; We are inside a Lisp form.
(save-excursion
(goto-char startpos)
(looking-at ":documentation\\_>"))))))
(defun lisp-font-lock-syntactic-face-function (state)
+ "Return syntactic face function for the position represented by STATE.
+STATE is a `parse-partial-sexp' state, and the returned function is the
+Lisp font lock syntactic face function."
(if (nth 3 state)
;; This might be a (doc)string or a |...| symbol.
(let ((startpos (nth 8 state)))
(font-lock-extra-managed-props help-echo)
(font-lock-syntactic-face-function
. lisp-font-lock-syntactic-face-function)))
- (setq-local prettify-symbols-alist lisp--prettify-symbols-alist)
- (when elisp
- (add-hook 'after-load-functions #'lisp--el-font-lock-flush-elisp-buffers)
- (setq-local electric-pair-text-pairs
- (cons '(?\` . ?\') electric-pair-text-pairs)))
+ (setq-local prettify-symbols-alist lisp-prettify-symbols-alist)
(setq-local electric-pair-skip-whitespace 'chomp)
(setq-local electric-pair-open-newline-between-pairs nil))
:type 'hook
:group 'lisp)
-(defconst lisp--prettify-symbols-alist
- '(("lambda" . ?λ)))
-
;;; Generic Lisp mode.
(defvar lisp-mode-map
;; Handle prefix characters and whitespace
;; following an open paren. (Bug#1012)
(backward-prefix-chars)
- (while (and (not (looking-back "^[ \t]*\\|([ \t]+"))
- (or (not containing-sexp)
- (< (1+ containing-sexp) (point))))
+ (while (not (or (looking-back "^[ \t]*\\|([ \t]+"
+ (line-beginning-position))
+ (and containing-sexp
+ (>= (1+ containing-sexp) (point)))))
(forward-sexp -1)
(backward-prefix-chars))
(setq calculate-lisp-indent-last-sexp (point)))
it specifies how to indent. The property value can be:
* `defun', meaning indent `defun'-style
- \(this is also the case if there is no property and the function
+ (this is also the case if there is no property and the function
has a name that begins with \"def\", and three or more arguments);
* an integer N, meaning indent the first N arguments specially