diff options
Diffstat (limited to 'lib/tools/emacs')
| -rw-r--r-- | lib/tools/emacs/erlang.el | 177 |
1 files changed, 72 insertions, 105 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 438abc2d29..411e0e13df 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -1,10 +1,10 @@ -;;; erlang.el --- Major modes for editing and running Erlang +;;; erlang.el --- Major modes for editing and running Erlang -*- lexical-binding: t; -*- ;; Copyright (C) 2004 Free Software Foundation, Inc. ;; Author: Anders Lindgren ;; Keywords: erlang, languages, processes ;; Date: 2011-12-11 -;; Version: 2.7.0 +;; Version: 2.8.0 ;; Package-Requires: ((emacs "24.1")) ;; %CopyrightBegin% @@ -84,7 +84,7 @@ "The Erlang programming language." :group 'languages) -(defconst erlang-version "2.7" +(defconst erlang-version "2.8.0" "The version number of Erlang mode.") (defcustom erlang-root-dir nil @@ -931,6 +931,7 @@ resulting regexp is surrounded by \\_< and \\_>." "has_prepared_code_on_load" "hibernate" "insert_element" + "iolist_to_iovec" "is_builtin" "load_nif" "loaded" @@ -1019,26 +1020,15 @@ files written in other languages than Erlang.") If nil, the inferior shell replaces the window. This is the traditional behaviour.") -(defconst inferior-erlang-use-cmm (boundp 'minor-mode-overriding-map-alist) - "Non-nil means use `compilation-minor-mode' in Erlang shell.") - (defvar erlang-mode-map (let ((map (make-sparse-keymap))) - (unless (boundp 'indent-line-function) - (define-key map "\t" 'erlang-indent-command)) (define-key map ";" 'erlang-electric-semicolon) (define-key map "," 'erlang-electric-comma) (define-key map "<" 'erlang-electric-lt) (define-key map ">" 'erlang-electric-gt) (define-key map "\C-m" 'erlang-electric-newline) - (if (not (boundp 'delete-key-deletes-forward)) - (define-key map "\177" 'backward-delete-char-untabify) - (define-key map [(backspace)] 'backward-delete-char-untabify)) - ;;(unless (boundp 'fill-paragraph-function) + (define-key map [(backspace)] 'backward-delete-char-untabify) (define-key map "\M-q" 'erlang-fill-paragraph) - (unless (boundp 'beginning-of-defun-function) - (define-key map "\M-\C-a" 'erlang-beginning-of-function) - (define-key map "\M-\C-e" 'erlang-end-of-function)) (define-key map "\M-\t" 'erlang-complete-tag) (define-key map "\C-c\M-\t" 'tempo-complete-tag) (define-key map "\M-+" 'erlang-find-next-tag) @@ -1057,8 +1047,6 @@ behaviour.") (define-key map "\C-c\C-y" 'erlang-clone-arguments) (define-key map "\C-c\C-a" 'erlang-align-arrows) (define-key map "\C-c\C-z" 'erlang-shell-display) - (unless inferior-erlang-use-cmm - (define-key map "\C-x`" 'erlang-next-error)) map) "Keymap used in Erlang mode.") (defvar erlang-mode-abbrev-table nil @@ -2083,12 +2071,6 @@ This function is aware of imported functions." (when funcname (erlang-man-find-function (current-buffer) funcname)))))) -(defun erlang-default-function-or-module () - (let ((id (erlang-get-identifier-at-point))) - (if (eq (erlang-id-kind id) 'qualified-function) - (format "%s:%s" (erlang-id-module id) (erlang-id-name id)) - (erlang-id-name id)))) - ;; Should the defadvice be at the top level, the package `advice' would ;; be required. Now it is only required when this functionality @@ -3396,14 +3378,6 @@ at the end." ;;; Information retrieval functions. -(defun erlang-buffer-substring (beg end) - "Like `buffer-substring-no-properties'. -Although, this function works on all versions of Emacs." - (if (fboundp 'buffer-substring-no-properties) - (funcall (symbol-function 'buffer-substring-no-properties) beg end) - (buffer-substring beg end))) - - (defun erlang-get-module () "Return the name of the module as specified by `-module'. @@ -3421,7 +3395,7 @@ Return nil if file contains no `-module' attribute." "\\)?\\)\\s *)\\s *\\.")) (point-max) t) (erlang-remove-quotes - (erlang-buffer-substring (match-beginning 1) + (buffer-substring-no-properties (match-beginning 1) (match-end 1))) nil) (store-match-data md)))))) @@ -3475,10 +3449,10 @@ corresponds to the order of the parsed Erlang list." (setq res (cons (cons (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 1) (match-end 1))) (string-to-number - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning (+ 1 erlang-atom-regexp-matches)) (match-end @@ -3525,7 +3499,7 @@ function and arity as cdr part." (erlang-skip-blank) (if (looking-at erlang-atom-regexp) (let ((module (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 0) (match-end 0))))) (goto-char (match-end 0)) @@ -3558,7 +3532,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.: (let ((n (if arg 0 1))) (and (looking-at (eval-when-compile (concat "^" erlang-atom-regexp "\\s *("))) - (erlang-buffer-substring (match-beginning n) (match-end n))))) + (buffer-substring-no-properties (match-beginning n) (match-end n))))) (defun erlang-get-function-arrow () @@ -3572,7 +3546,7 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.: (and (save-excursion (re-search-forward "->" (point-max) t) - (erlang-buffer-substring (- (point) 2) (+ (point) 1))))) + (buffer-substring-no-properties (- (point) 2) (+ (point) 1))))) (defun erlang-get-function-arity () "Return the number of arguments of function at point, or nil." @@ -3638,12 +3612,14 @@ The return value is a string of the form \"foo/1\"." (let ((start (match-end 0))) (goto-char (- start 1)) (forward-sexp) - (erlang-buffer-substring start (- (point) 1))) + (buffer-substring-no-properties start (- (point) 1))) (error nil))))) -;; Keeping erlang-get-function-under-point for backward compatibility. -;; It is used by erldoc.el and maybe other code out there. +;; erlang-get-function-under-point is replaced by +;; erlang-get-identifier-at-point as far as internal erlang.el usage +;; is concerned. But it is kept for backward compatibility. It is +;; used by erldoc.el and maybe other code out there. (defun erlang-get-function-under-point () "Return the module and function under the point, or nil. @@ -3701,10 +3677,10 @@ of arguments could be found, otherwise nil." (defun erlang-get-qualified-function-id-at-point () (let ((kind 'qualified-function) (module (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 1) (match-end 1)))) (name (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning (1+ erlang-atom-regexp-matches)) (match-end (1+ erlang-atom-regexp-matches))))) (arity (progn @@ -3716,14 +3692,14 @@ of arguments could be found, otherwise nil." (let ((kind 'module) (module nil) (name (erlang-remove-quotes - (erlang-buffer-substring (match-beginning 1) + (buffer-substring-no-properties (match-beginning 1) (match-end 1)))) (arity nil)) (list kind module name arity))) (defun erlang-get-some-other-id-at-point () (let ((name (erlang-remove-quotes - (erlang-buffer-substring + (buffer-substring-no-properties (match-beginning 0) (match-end 0)))) (imports (erlang-get-import)) kind module arity) @@ -3790,6 +3766,21 @@ of arguments could be found, otherwise nil." (nth 3 (erlang-id-to-list id))) +(defun erlang-default-function-or-module () + (erlang-with-id (kind module name) (erlang-get-identifier-at-point) + (let ((x (cond ((eq kind 'module) + (format "%s:" name)) + ((eq kind 'record) + (format "-record(%s" name)) + ((eq kind 'macro) + (format "-define(%s" name)) + (t + name)))) + (if module + (format "%s:%s" module x) + x)))) + + ;; TODO: Escape single quotes inside the string without ;; replace-regexp-in-string. (defun erlang-add-quotes-if-needed (str) @@ -4881,7 +4872,12 @@ considered first when it is time to jump to the definition.") '(progn (cl-defmethod xref-backend-identifier-at-point ((_backend (eql erlang-etags))) - (erlang-id-to-string (erlang-get-identifier-at-point))) + (if (eq this-command 'xref-find-references) + (if (use-region-p) + (buffer-substring-no-properties (region-beginning) + (region-end)) + (thing-at-point 'symbol)) + (erlang-id-to-string (erlang-get-identifier-at-point)))) (cl-defmethod xref-backend-definitions ((_backend (eql erlang-etags)) identifier) @@ -4992,9 +4988,10 @@ considered first when it is time to jump to the definition.") (and (fboundp 'xref-make) (fboundp 'xref-make-file-location) (let* ((first-time t) + (cbuf (current-buffer)) xrefs matching-files) (save-excursion - (while (visit-tags-table-buffer (not first-time)) + (while (erlang-visit-tags-table-buffer (not first-time) cbuf) (setq first-time nil) (let ((files (tags-table-files))) (while files @@ -5010,6 +5007,10 @@ considered first when it is time to jump to the definition.") (setq files (cdr files)))))) (nreverse xrefs)))) +(defun erlang-visit-tags-table-buffer (cont cbuf) + (if (< emacs-major-version 26) + (visit-tags-table-buffer cont) + (visit-tags-table-buffer cont cbuf))) (defun erlang-xref-find-definitions-module-tag (module tag @@ -5113,7 +5114,7 @@ Erlang compilation package.") "Command to execute to go to the next error. Change this variable to use your favorite Erlang compilation -package. Not used in Emacs 21.") +package.") ;;;###autoload @@ -5172,6 +5173,13 @@ future, a new shell on an already running host will be started." (defvar erlang-shell-buffer-name "*erlang*" "The name of the Erlang link shell buffer.") +(defcustom erlang-shell-prompt-read-only t + "If non-nil, the prompt will be read-only. + +Also see the description of `ielm-prompt-read-only'." + :type 'boolean + :package-version '(erlang . "2.8.0")) + (defvar erlang-shell-mode-map nil "Keymap used by Erlang shells.") @@ -5212,17 +5220,11 @@ The following special commands are available: (setq erlang-shell-mode-map (copy-keymap comint-mode-map)) (erlang-shell-mode-commands erlang-shell-mode-map)) (use-local-map erlang-shell-mode-map) - (unless inferior-erlang-use-cmm - ;; This was originally not a marker, but it needs to be, at least - ;; in Emacs 21, and should be backwards-compatible. Otherwise, - ;; would need to test whether compilation-parsing-end is a marker - ;; after requiring `compile'. - (set (make-local-variable 'compilation-parsing-end) (copy-marker 1)) - (set (make-local-variable 'compilation-error-list) nil) - (set (make-local-variable 'compilation-old-error-list) nil)) ;; Needed when compiling directly from the Erlang shell. (setq compilation-last-buffer (current-buffer)) (setq comint-prompt-regexp "^[^>=]*> *") + (make-local-variable 'comint-prompt-read-only) + (setq comint-prompt-read-only erlang-shell-prompt-read-only) (setq comint-eol-on-send t) (setq comint-input-ignoredups t) (setq comint-scroll-show-maximum-output t) @@ -5236,24 +5238,20 @@ The following special commands are available: (comint-read-input-ring t) (make-local-variable 'kill-buffer-hook) (add-hook 'kill-buffer-hook 'comint-write-input-ring) - ;; At least in Emacs 21, we need to be in `compilation-minor-mode' - ;; for `next-error' to work. We can avoid it clobbering the shell - ;; keys thus. - (when inferior-erlang-use-cmm - (compilation-minor-mode 1) - (set (make-local-variable 'minor-mode-overriding-map-alist) - `((compilation-minor-mode - . ,(let ((map (make-sparse-keymap))) - ;; It would be useful to put keymap properties on the - ;; error lines so that we could use RET and mouse-2 - ;; on them directly. - (when (boundp 'compilation-skip-threshold) ; new compile.el - (define-key map [mouse-2] #'erlang-mouse-2-command) - (define-key map "\C-m" #'erlang-RET-command)) - (if (boundp 'compilation-menu-map) - (define-key map [menu-bar compilation] - (cons "Errors" compilation-menu-map))) - map))))) + (compilation-minor-mode 1) + (set (make-local-variable 'minor-mode-overriding-map-alist) + `((compilation-minor-mode + . ,(let ((map (make-sparse-keymap))) + ;; It would be useful to put keymap properties on the + ;; error lines so that we could use RET and mouse-2 + ;; on them directly. + (when (boundp 'compilation-skip-threshold) ; new compile.el + (define-key map [mouse-2] #'erlang-mouse-2-command) + (define-key map "\C-m" #'erlang-RET-command)) + (if (boundp 'compilation-menu-map) + (define-key map [menu-bar compilation] + (cons "Errors" compilation-menu-map))) + map)))) (erlang-tags-init) (run-hooks 'erlang-shell-mode-hook)) @@ -5282,9 +5280,7 @@ Selects Comint or Compilation mode command as appropriate." (define-key map "\C-a" 'comint-bol) ; Normally the other way around. (define-key map "\C-c\C-a" 'beginning-of-line) (define-key map "\C-d" nil) ; Was `comint-delchar-or-maybe-eof' - (define-key map "\M-\C-m" 'compile-goto-error) - (unless inferior-erlang-use-cmm - (define-key map "\C-x`" 'erlang-next-error))) + (define-key map "\M-\C-m" 'compile-goto-error)) ;;; ;;; Inferior Erlang -- Run an Erlang shell as a subprocess. @@ -5895,35 +5891,6 @@ Tab characters are counted by their visual width." (if (looking-at "[a-z0-9_]+") (match-string 0)))) -;; Aliases for backward compatibility with older versions of Erlang Mode. -;; -;; Unfortuantely, older versions of Emacs doesn't have `defalias' and -;; `make-obsolete' so we have to define our own `obsolete' function. - -(defun erlang-obsolete (sym newdef) - "Make the obsolete function SYM refer to the defined function NEWDEF. - -Simplified version of a combination `defalias' and `make-obsolete', -it assumes that NEWDEF is loaded." - (defalias sym (symbol-function newdef)) - (make-obsolete sym newdef "long ago")) - - -(erlang-obsolete 'calculate-erlang-indent 'erlang-calculate-indent) -(erlang-obsolete 'calculate-erlang-stack-indent - 'erlang-calculate-stack-indent) -(erlang-obsolete 'at-erlang-keyword 'erlang-at-keyword) -(erlang-obsolete 'at-erlang-operator 'erlang-at-operator) -(erlang-obsolete 'beginning-of-erlang-clause 'erlang-beginning-of-clause) -(erlang-obsolete 'end-of-erlang-clause 'erlang-end-of-clause) -(erlang-obsolete 'mark-erlang-clause 'erlang-mark-clause) -(erlang-obsolete 'beginning-of-erlang-function 'erlang-beginning-of-function) -(erlang-obsolete 'end-of-erlang-function 'erlang-end-of-function) -(erlang-obsolete 'mark-erlang-function 'erlang-mark-function) -(erlang-obsolete 'pass-over-erlang-clause 'erlang-pass-over-function) -(erlang-obsolete 'name-of-erlang-function 'erlang-name-of-function) - - (defconst erlang-unload-hook (list (lambda () (ad-unadvise 'Man-notify-when-ready) |