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-rw-r--r--lib/tools/emacs/erlang.el291
1 files changed, 177 insertions, 114 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index da586ee09a..ed825a298f 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -659,24 +659,30 @@ resulting regexp is surrounded by \\_< and \\_>."
(eval-and-compile
(defconst erlang-guards-regexp (erlang-regexp-opt erlang-guards 'symbols)))
-
(eval-and-compile
(defvar erlang-predefined-types
'("any"
"arity"
+ "boolean"
"byte"
"char"
"cons"
"deep_string"
+ "iolist"
"maybe_improper_list"
+ "module"
"mfa"
"nil"
+ "neg_integer"
"none"
"non_neg_integer"
"nonempty_list"
"nonempty_improper_list"
"nonempty_maybe_improper_list"
+ "no_return"
+ "pos_integer"
"string"
+ "term"
"timeout")
"Erlang type specs types"))
@@ -885,15 +891,54 @@ files written in other languages than Erlang.")
If nil, the inferior shell replaces the window. This is the traditional
behaviour.")
-(defvar erlang-mode-map nil
+(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 "\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 '(meta control h) 'erlang-mark-function)) ; Xemacs
+ (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)
+ (define-key map "\C-c\M-a" 'erlang-beginning-of-clause)
+ (define-key map "\C-c\M-b" 'tempo-backward-mark)
+ (define-key map "\C-c\M-e" 'erlang-end-of-clause)
+ (define-key map "\C-c\M-f" 'tempo-forward-mark)
+ (define-key map "\C-c\M-h" 'erlang-mark-clause)
+ (define-key map "\C-c\C-c" 'comment-region)
+ (define-key map "\C-c\C-j" 'erlang-generate-new-clause)
+ (define-key map "\C-c\C-k" 'erlang-compile)
+ (define-key map "\C-c\C-l" 'erlang-compile-display)
+ (define-key map "\C-c\C-s" 'erlang-show-syntactic-information)
+ (define-key map "\C-c\C-q" 'erlang-indent-function)
+ (define-key map "\C-c\C-u" 'erlang-uncomment-region)
+ (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
"Abbrev table in use in Erlang-mode buffers.")
(defvar erlang-mode-syntax-table nil
"Syntax table in use in Erlang-mode buffers.")
-(defconst inferior-erlang-use-cmm (boundp 'minor-mode-overriding-map-alist)
- "Non-nil means use `compilation-minor-mode' in Erlang shell.")
(defvar erlang-skel-file "erlang-skels"
@@ -988,7 +1033,7 @@ behaviour.")
(list (concat "^\\(-" erlang-atom-regexp "\\)\\(\\s-\\|\\.\\|(\\)")
1 (if (boundp 'font-lock-preprocessor-face)
'font-lock-preprocessor-face
- 'font-lock-function-name-face)))
+ 'font-lock-constant-face)))
"Font lock keyword highlighting attributes.")
(defvar erlang-font-lock-keywords-quotes
@@ -1019,10 +1064,12 @@ are highlighted by syntactic analysis.")
(list
(list (concat "?\\s-*\\(" erlang-atom-regexp
"\\|" erlang-variable-regexp "\\)")
- 1 'font-lock-type-face)
+ 1 'font-lock-constant-face)
(list (concat "^\\(-\\(?:define\\|ifn?def\\)\\)\\s-*(\\s-*\\(" erlang-atom-regexp
"\\|" erlang-variable-regexp "\\)")
- (list 1 'font-lock-preprocessor-face t)
+ (if (boundp 'font-lock-preprocessor-face)
+ (list 1 'font-lock-preprocessor-face t)
+ (list 1 'font-lock-constant-face t))
(list 3 'font-lock-type-face t t))
(list "^-e\\(lse\\|ndif\\)\\>" 0 'font-lock-preprocessor-face t))
"Font lock keyword highlighting macros.
@@ -1245,7 +1292,7 @@ Other commands:
(setq major-mode 'erlang-mode)
(setq mode-name "Erlang")
(erlang-syntax-table-init)
- (erlang-keymap-init)
+ (use-local-map erlang-mode-map)
(erlang-electric-init)
(erlang-menu-init)
(erlang-mode-variables)
@@ -1300,53 +1347,6 @@ Other commands:
(set-syntax-table erlang-mode-syntax-table))
-(defun erlang-keymap-init ()
- (if erlang-mode-map
- nil
- (setq erlang-mode-map (make-sparse-keymap))
- (erlang-mode-commands erlang-mode-map))
- (use-local-map erlang-mode-map))
-
-
-(defun erlang-mode-commands (map)
- (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 "\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 '(meta control h) 'erlang-mark-function)) ; Xemacs
- (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)
- (define-key map "\C-c\M-a" 'erlang-beginning-of-clause)
- (define-key map "\C-c\M-b" 'tempo-backward-mark)
- (define-key map "\C-c\M-e" 'erlang-end-of-clause)
- (define-key map "\C-c\M-f" 'tempo-forward-mark)
- (define-key map "\C-c\M-h" 'erlang-mark-clause)
- (define-key map "\C-c\C-c" 'comment-region)
- (define-key map "\C-c\C-j" 'erlang-generate-new-clause)
- (define-key map "\C-c\C-k" 'erlang-compile)
- (define-key map "\C-c\C-l" 'erlang-compile-display)
- (define-key map "\C-c\C-s" 'erlang-show-syntactic-information)
- (define-key map "\C-c\C-q" 'erlang-indent-function)
- (define-key map "\C-c\C-u" 'erlang-uncomment-region)
- (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)))
-
-
(defun erlang-electric-init ()
;; Set up electric character functions to work with
;; delsel/pending-del mode. Also, set up text properties for bit
@@ -1400,7 +1400,7 @@ Other commands:
(set (make-local-variable 'imenu-prev-index-position-function)
'erlang-beginning-of-function)
(set (make-local-variable 'imenu-extract-index-name-function)
- 'erlang-get-function-name)
+ 'erlang-get-function-name-and-arity)
(set (make-local-variable 'tempo-match-finder)
"[^-a-zA-Z0-9_]\\([-a-zA-Z0-9_]*\\)\\=")
(set (make-local-variable 'beginning-of-defun-function)
@@ -1481,7 +1481,23 @@ Other commands:
erlang-font-lock-keywords-3
erlang-font-lock-keywords-4)
nil nil ((?_ . "w")) erlang-beginning-of-clause
- (font-lock-mark-block-function . erlang-mark-clause))))
+ (font-lock-mark-block-function . erlang-mark-clause)
+ (font-lock-syntactic-keywords
+ ;; A dollar sign right before the double quote that ends a
+ ;; string is not a character escape.
+ ;;
+ ;; And a "string" has with a double quote not escaped by a
+ ;; dollar sign, any number of non-backslash non-newline
+ ;; characters or escaped backslashes, a dollar sign
+ ;; (otherwise we wouldn't care) and a double quote. This
+ ;; doesn't match multi-line strings, but this is probably
+ ;; the best we can get, since while font-locking we don't
+ ;; know whether matching started inside a string: limiting
+ ;; search to a single line keeps things sane.
+ . (("\\(?:^\\|[^$]\\)\"\\(?:[^\"\n]\\|\\\\\"\\)*\\(\\$\\)\"" 1 "w")
+ ;; And the dollar sign in $\" escapes two characters, not
+ ;; just one.
+ ("\\(\\$\\)\\\\\\\"" 1 "'"))))))
@@ -2490,9 +2506,10 @@ Value is list (stack token-start token-type in-what)."
((looking-at "\\(of\\)[^_a-zA-Z0-9]")
;; Must handle separately, try X of -> catch
(if (and stack (eq (car (car stack)) 'try))
- (let ((try-column (nth 2 (car stack))))
+ (let ((try-column (nth 2 (car stack)))
+ (try-pos (nth 1 (car stack))))
(erlang-pop stack)
- (erlang-push (list 'icr token try-column) stack))))
+ (erlang-push (list 'icr try-pos try-column) stack))))
((looking-at "\\(fun\\)[^_a-zA-Z0-9]")
;; Push a new layer if we are defining a `fun'
@@ -2653,7 +2670,8 @@ Value is list (stack token-start token-type in-what)."
(cond ((eq (car (car stack)) '\()
(erlang-pop stack)
(if (and (eq (car (car stack)) 'fun)
- (eq (car (car (cdr stack))) '::))
+ (or (eq (car (car (last stack))) 'spec)
+ (eq (car (car (cdr stack))) '::))) ;; -type()
;; Inside fun type def ') closes fun definition
(erlang-pop stack)))
((eq (car (car stack)) 'icr)
@@ -2752,7 +2770,7 @@ Return nil if inside string, t if in a comment."
;;
;; `after' should be indented to the same level as the
;; corresponding receive.
- (cond ((looking-at "\\(after\\|catch\\|of\\)\\($\\|[^_a-zA-Z0-9]\\)")
+ (cond ((looking-at "\\(after\\|of\\)\\($\\|[^_a-zA-Z0-9]\\)")
(nth 2 stack-top))
((looking-at "when[^_a-zA-Z0-9]")
;; Handling one when part
@@ -2771,7 +2789,7 @@ Return nil if inside string, t if in a comment."
((and (eq (car stack-top) '||) (looking-at "\\(]\\|>>\\)[^_a-zA-Z0-9]"))
(nth 2 (car (cdr stack))))
;; Real indentation, where operators create extra indentation etc.
- ((memq (car stack-top) '(-> || begin try))
+ ((memq (car stack-top) '(-> || try begin))
(if (looking-at "\\(of\\)[^_a-zA-Z0-9]")
(nth 2 stack-top)
(goto-char (nth 1 stack-top))
@@ -2800,19 +2818,24 @@ Return nil if inside string, t if in a comment."
(erlang-caddr (car stack))
0))
((looking-at "catch\\($\\|[^_a-zA-Z0-9]\\)")
- (if (or (eq (car stack-top) 'try)
- (eq (car (car (cdr stack))) 'icr))
- (progn
- (if (eq (car stack-top) '->)
- (erlang-pop stack))
- (if stack
- (erlang-caddr (car stack))
- 0))
- base)) ;; old catch
+ ;; Are we in a try
+ (let ((start (if (eq (car stack-top) '->)
+ (car (cdr stack))
+ stack-top)))
+ (if (null start) nil
+ (goto-char (nth 1 start)))
+ (cond ((looking-at "try\\($\\|[^_a-zA-Z0-9]\\)")
+ (progn
+ (if (eq (car stack-top) '->)
+ (erlang-pop stack))
+ (if stack
+ (erlang-caddr (car stack))
+ 0)))
+ (t (erlang-indent-standard indent-point token base 'nil))))) ;; old catch
(t
(erlang-indent-standard indent-point token base 'nil)
))))
- ))
+ ))
((eq (car stack-top) 'when)
(goto-char (nth 1 stack-top))
(if (looking-at "when\\s *\\($\\|%\\)")
@@ -2838,27 +2861,32 @@ Return nil if inside string, t if in a comment."
(current-column)))
;; Type and Spec indentation
((eq (car stack-top) '::)
- (cond ((null erlang-argument-indent)
- ;; indent to next column.
- (+ 2 (nth 2 stack-top)))
- ((looking-at "::[^_a-zA-Z0-9]")
- (nth 2 stack-top))
- (t
- (let ((start-alternativ (if (looking-at "|") 2 0)))
- (goto-char (nth 1 stack-top))
- (- (cond ((looking-at "::\\s *\\($\\|%\\)")
- ;; Line ends with ::
- (if (eq (car (car (last stack))) 'spec)
+ (if (looking-at "}")
+ ;; Closing record definition with types
+ ;; pop stack and recurse
+ (erlang-calculate-stack-indent indent-point
+ (cons (erlang-pop stack) (cdr state)))
+ (cond ((null erlang-argument-indent)
+ ;; indent to next column.
+ (+ 2 (nth 2 stack-top)))
+ ((looking-at "::[^_a-zA-Z0-9]")
+ (nth 2 stack-top))
+ (t
+ (let ((start-alternativ (if (looking-at "|") 2 0)))
+ (goto-char (nth 1 stack-top))
+ (- (cond ((looking-at "::\\s *\\($\\|%\\)")
+ ;; Line ends with ::
+ (if (eq (car (car (last stack))) 'spec)
(+ (erlang-indent-find-preceding-expr 1)
erlang-argument-indent)
- (+ (erlang-indent-find-preceding-expr 2)
- erlang-argument-indent)))
- (t
- ;; Indent to the same column as the first
- ;; argument.
- (goto-char (+ 2 (nth 1 stack-top)))
- (skip-chars-forward " \t")
- (current-column))) start-alternativ)))))
+ (+ (erlang-indent-find-preceding-expr 2)
+ erlang-argument-indent)))
+ (t
+ ;; Indent to the same column as the first
+ ;; argument.
+ (goto-char (+ 2 (nth 1 stack-top)))
+ (skip-chars-forward " \t")
+ (current-column))) start-alternativ))))))
)))
(defun erlang-indent-standard (indent-point token base inside-parenthesis)
@@ -2874,8 +2902,8 @@ Return nil if inside string, t if in a comment."
(+ base erlang-indent-level))
(t
(goto-char indent-point)
- (cond ((memq (following-char) '(?\( ?{))
- ;; Function application or record.
+ (cond ((memq (following-char) '(?\( ))
+ ;; Function application.
(+ (erlang-indent-find-preceding-expr)
erlang-argument-indent))
;; Empty line, or end; treat it as the end of
@@ -2930,10 +2958,16 @@ This assumes that the preceding expression is either simple
(skip-chars-backward " \t")
;; Needed to match the colon in "'foo':'bar'".
(if (not (memq (preceding-char) '(?# ?:)))
- col
- (backward-char 1)
- (forward-sexp -1)
- (current-column)))))
+ col
+ ;; Special hack to handle: (note line break)
+ ;; [#myrecord{
+ ;; foo = foo}]
+ (or
+ (ignore-errors
+ (backward-char 1)
+ (forward-sexp -1)
+ (current-column))
+ col)))))
(defun erlang-indent-parenthesis (stack-position)
(let ((previous (erlang-indent-find-preceding-expr)))
@@ -3472,8 +3506,8 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.:
(erlang-get-function-arrow)))"
(and
(save-excursion
- (re-search-forward "[^-:]*-\\|:" (point-max) t)
- (erlang-buffer-substring (- (point) 1) (+ (point) 1)))))
+ (re-search-forward "->" (point-max) t)
+ (erlang-buffer-substring (- (point) 2) (+ (point) 1)))))
(defun erlang-get-function-arity ()
"Return the number of arguments of function at point, or nil."
@@ -3502,6 +3536,13 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.:
res)
(error nil)))))
+(defun erlang-get-function-name-and-arity ()
+ "Return the name and arity of the function at point, or nil.
+The return value is a string of the form \"foo/1\"."
+ (let ((name (erlang-get-function-name))
+ (arity (erlang-get-function-arity)))
+ (and name arity (format "%s/%d" name arity))))
+
(defun erlang-get-function-arguments ()
"Return arguments of current function, or nil."
(if (not (looking-at (eval-when-compile
@@ -3677,6 +3718,7 @@ non-whitespace characters following the point on the current line."
(setq erlang-electric-newline-inhibit nil)
(setq erlang-electric-newline-inhibit t)
(undo-boundary)
+ (erlang-indent-line)
(end-of-line)
(newline)
(if (condition-case nil
@@ -4897,9 +4939,14 @@ a prompt. When nil, we will wait forever, or until \\[keyboard-quit].")
(defvar inferior-erlang-buffer nil
"Buffer of last invoked inferior Erlang, or nil.")
+;; Enable uniquifying Erlang shell buffers based on directory name.
+(eval-after-load "uniquify"
+ '(add-to-list 'uniquify-list-buffers-directory-modes 'erlang-shell-mode))
+
;;;###autoload
-(defun inferior-erlang ()
+(defun inferior-erlang (&optional command)
"Run an inferior Erlang.
+With prefix command, prompt for command to start Erlang with.
This is just like running Erlang in a normal shell, except that
an Emacs buffer is used for input and output.
@@ -4913,17 +4960,37 @@ Entry to this mode calls the functions in the variables
The following commands imitate the usual Unix interrupt and
editing control characters:
\\{erlang-shell-mode-map}"
- (interactive)
+ (interactive
+ (when current-prefix-arg
+ (list (if (fboundp 'read-shell-command)
+ ;; `read-shell-command' is a new function in Emacs 23.
+ (read-shell-command "Erlang command: ")
+ (read-string "Erlang command: ")))))
(require 'comint)
- (let ((opts inferior-erlang-machine-options))
- (cond ((eq inferior-erlang-shell-type 'oldshell)
- (setq opts (cons "-oldshell" opts)))
- ((eq inferior-erlang-shell-type 'newshell)
- (setq opts (append '("-newshell" "-env" "TERM" "vt100") opts))))
- (setq inferior-erlang-buffer
- (apply 'make-comint
- inferior-erlang-process-name inferior-erlang-machine
- nil opts)))
+ (let (cmd opts)
+ (if command
+ (setq cmd "sh"
+ opts (list "-c" command))
+ (setq cmd inferior-erlang-machine
+ opts inferior-erlang-machine-options)
+ (cond ((eq inferior-erlang-shell-type 'oldshell)
+ (setq opts (cons "-oldshell" opts)))
+ ((eq inferior-erlang-shell-type 'newshell)
+ (setq opts (append '("-newshell" "-env" "TERM" "vt100") opts)))))
+
+ ;; Using create-file-buffer and list-buffers-directory in this way
+ ;; makes uniquify give each buffer a unique name based on the
+ ;; directory.
+ (let ((fake-file-name (expand-file-name inferior-erlang-buffer-name default-directory)))
+ (setq inferior-erlang-buffer (create-file-buffer fake-file-name))
+ (apply 'make-comint-in-buffer
+ inferior-erlang-process-name
+ inferior-erlang-buffer
+ cmd
+ nil opts)
+ (with-current-buffer inferior-erlang-buffer
+ (setq list-buffers-directory fake-file-name))))
+
(setq inferior-erlang-process
(get-buffer-process inferior-erlang-buffer))
(if (> 21 erlang-emacs-major-version) ; funcalls to avoid compiler warnings
@@ -4936,10 +5003,6 @@ editing control characters:
(if (and (not (eq system-type 'windows-nt))
(eq inferior-erlang-shell-type 'newshell))
(setq comint-process-echoes t))
- ;; `rename-buffer' takes only one argument in Emacs 18.
- (condition-case nil
- (rename-buffer inferior-erlang-buffer-name t)
- (error (rename-buffer inferior-erlang-buffer-name)))
(erlang-shell-mode))
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 11:22:39 +0000