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-rw-r--r--lib/tools/emacs/erlang.el94
1 files changed, 68 insertions, 26 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index ddd22707dd..c1e9bec6ae 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -697,6 +697,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"char"
"cons"
"deep_string"
+ "iodata"
"iolist"
"maybe_improper_list"
"module"
@@ -708,6 +709,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"nonempty_list"
"nonempty_improper_list"
"nonempty_maybe_improper_list"
+ "nonempty_string"
"no_return"
"pos_integer"
"string"
@@ -883,6 +885,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"fun_to_list"
"function_exported"
"garbage_collect_message_area"
+ "gather_gc_info_result"
"gather_sched_wall_time_result"
"get_cookie"
"get_module_info"
@@ -1024,7 +1027,7 @@ behaviour.")
(defvar erlang-mode-syntax-table nil
"Syntax table in use in Erlang-mode buffers.")
-
+
(defvar erlang-skel-file "erlang-skels"
"The type of erlang-skeletons that should be used, default
@@ -1271,7 +1274,7 @@ Unfortunately, XEmacs hasn't got support for a special Font
Lock syntax table. The effect is that `apply' in the atom
`foo_apply' will be highlighted as a bif.")
-
+
;;; Avoid errors while compiling this file.
;; `eval-when-compile' is not defined in Emacs 18. We define it as a
@@ -1320,7 +1323,7 @@ Lock syntax table. The effect is that `apply' in the atom
(require 'tempo)
(require 'compile))))
-
+
(defun erlang-version ()
"Return the current version of Erlang mode."
(interactive)
@@ -1515,7 +1518,7 @@ Other commands:
(set (make-local-variable 'outline-level) (lambda () 1))
(set (make-local-variable 'add-log-current-defun-function)
'erlang-current-defun))
-
+
(defun erlang-font-lock-init ()
"Initialize Font Lock for Erlang mode."
(or erlang-font-lock-syntax-table
@@ -1685,7 +1688,7 @@ plus variables, macros and records."
(font-lock-mode 1)
(funcall (symbol-function 'font-lock-fontify-buffer)))
-
+
(defun erlang-menu-init ()
"Init menus for Erlang mode.
@@ -1904,7 +1907,7 @@ Example:
The new menu is returned. No guarantee is given that the original
menu is left unchanged."
(delq entry items))
-
+
;; Man code:
(defun erlang-man-init ()
@@ -2227,7 +2230,7 @@ For example:
After installing the line, kill and restart Emacs, or restart Erlang
mode with the command `M-x erlang-mode RET'.")))
-
+
;; Skeleton code:
;; This code is based on the package `tempo' which is part of modern
@@ -2348,7 +2351,7 @@ The first character of DD is space if the value is less than 10."
(erlang-string-to-int (substring date 8 10))
(substring date 4 7)
(substring date -4))))
-
+
;; Indentation code:
(defun erlang-indent-command (&optional whole-exp)
@@ -2597,6 +2600,12 @@ Value is list (stack token-start token-type in-what)."
(if (save-excursion
(goto-char (match-end 1))
(erlang-skip-blank to)
+ ;; Use erlang-variable-regexp here to look for an
+ ;; optional variable name to match EEP37 named funs.
+ (if (looking-at erlang-variable-regexp)
+ (progn
+ (goto-char (match-end 0))
+ (erlang-skip-blank to)))
(eq (following-char) ?\())
(erlang-push (list 'fun token (current-column)) stack)))
((looking-at "\\(begin\\|query\\)[^_a-zA-Z0-9]")
@@ -2812,6 +2821,9 @@ Return nil if inside string, t if in a comment."
(- (+ previous erlang-argument-indent) 1))))
(t
(nth 2 stack-top))))
+ ((= (following-char) ?,)
+ ;; a comma at the start of the line: line up with opening parenthesis.
+ (nth 2 stack-top))
(t
(goto-char (nth 1 stack-top))
(let ((base (cond ((looking-at "[({]\\s *\\($\\|%\\)")
@@ -3128,7 +3140,7 @@ commands."
(skip-chars-backward " \t")
(max (if (bolp) 0 (1+ (current-column)))
comment-column)))))
-
+
;;; Erlang movement commands
;; All commands below work as movement commands. I.e. if the point is
@@ -3332,7 +3344,7 @@ With negative argument go towards the beginning of the buffer."
(forward-sexp 1)
(buffer-substring start (point)))))
-
+
;;; Miscellaneous
(defun erlang-fill-paragraph (&optional justify)
@@ -3441,7 +3453,7 @@ at the end."
(error "Can't clone argument list"))
(insert args)
(set-mark p)))
-
+
;;; Information retrieval functions.
(defun erlang-buffer-substring (beg end)
@@ -3768,7 +3780,7 @@ exported function."
(store-match-data old-match-data)
(member (cons name arity) exports))))
-
+
;;; Check module name
;; The function `write-file', bound to C-x C-w, calls
@@ -3831,7 +3843,7 @@ This function is normally placed in the hook `local-write-file-hooks'."
;; Must return nil since it is added to `local-write-file-hook'.
nil)
-
+
;;; Electric functions.
(defun erlang-electric-semicolon (&optional arg)
@@ -4225,7 +4237,7 @@ This function is designed to be a member of a criteria list."
(erlang-skip-blank)
(looking-at "end[^_a-zA-Z0-9]")))
-
+
;; Erlang tags support which is aware of erlang modules.
;;
;; Not yet implemented under XEmacs. (Hint: The Emacs 19 etags
@@ -4535,7 +4547,7 @@ Tags can be given on the forms `tag', `module:', `module:tag'."
(or default (error "There is no default tag"))
spec)))))
-
+
;; Search tag functions which are aware of Erlang modules. The tactic
;; is to store new search functions into the local variables of the
;; TAGS buffers. The variables are restored directly after the
@@ -4711,7 +4723,7 @@ for a tag on the form `module:tag'."
(string= mod (erlang-get-module-from-file-name
(file-of-tag)))))))
-
+
;;; Tags completion, Emacs 19 `etags' specific.
;;;
;;; The basic idea is to create a second completion table `erlang-tags-
@@ -4830,7 +4842,7 @@ about Erlang modules."
;; Only the first one will be stored in the table.
(intern (concat module ":") table))))))
table))
-
+
;;;
;;; Prepare for other methods to run an Erlang slave process.
;;;
@@ -4912,7 +4924,7 @@ future, a new shell on an already running host will be started."
(call-interactively erlang-next-error-function))
-
+
;;;
;;; Erlang Shell Mode -- Major mode used for Erlang shells.
;;;
@@ -5048,7 +5060,7 @@ Selects Comint or Compilation mode command as appropriate."
(define-key map "\M-\C-m" 'compile-goto-error)
(unless inferior-erlang-use-cmm
(define-key map "\C-x`" 'erlang-next-error)))
-
+
;;;
;;; Inferior Erlang -- Run an Erlang shell as a subprocess.
;;;
@@ -5364,7 +5376,7 @@ There exists two workarounds for this bug:
(inferior-erlang-prepare-for-input)
(let* ((dir (inferior-erlang-compile-outdir))
;;; (file (file-name-nondirectory (buffer-file-name)))
- (noext (substring (buffer-file-name) 0 -4))
+ (noext (substring (erlang-local-buffer-file-name) 0 -4))
(opts (append (list (cons 'outdir dir))
(if current-prefix-arg
(list 'debug_info 'export_all))
@@ -5402,7 +5414,7 @@ unless the optional NO-DISPLAY is non-nil."
(defun inferior-erlang-compile-outdir ()
"Return the directory to compile the current buffer into."
(let* ((buffer-dir (directory-file-name
- (file-name-directory (buffer-file-name))))
+ (file-name-directory (erlang-local-buffer-file-name))))
(parent-dir (directory-file-name
(file-name-directory buffer-dir)))
(ebin-dir (concat (file-name-as-directory parent-dir) "ebin"))
@@ -5420,11 +5432,11 @@ unless the optional NO-DISPLAY is non-nil."
(res (inferior-erlang-compute-erl-compile-command module-name opts))
ccfn-entry
done)
- (if (not (null (buffer-file-name)))
+ (if (not (null (erlang-local-buffer-file-name)))
(while (and (not done) (not (null ccfn)))
(setq ccfn-entry (car ccfn))
(setq ccfn (cdr ccfn))
- (if (string-match (car ccfn-entry) (buffer-file-name))
+ (if (string-match (car ccfn-entry) (erlang-local-buffer-file-name))
(let ((c-fn (cdr ccfn-entry)))
(setq done t)
(if (not (null c-fn))
@@ -5456,7 +5468,7 @@ unless the optional NO-DISPLAY is non-nil."
tmpvar tmpvar tmpvar2)))))
(defun inferior-erlang-compute-leex-compile-command (module-name opts)
- (let ((file-name (buffer-file-name))
+ (let ((file-name (erlang-local-buffer-file-name))
(erl-compile-expr (inferior-erlang-remove-any-trailing-dot
(inferior-erlang-compute-erl-compile-command
module-name opts))))
@@ -5475,7 +5487,7 @@ unless the optional NO-DISPLAY is non-nil."
erl-compile-expr)))
(defun inferior-erlang-compute-yecc-compile-command (module-name opts)
- (let ((file-name (buffer-file-name))
+ (let ((file-name (erlang-local-buffer-file-name))
(erl-compile-expr (inferior-erlang-remove-any-trailing-dot
(inferior-erlang-compute-erl-compile-command
module-name opts))))
@@ -5526,6 +5538,36 @@ unless the optional NO-DISPLAY is non-nil."
(setq strs (cdr strs)))
result))
+(defun erlang-local-buffer-file-name ()
+ ;; When editing a file remotely via tramp,
+ ;; the buffer's file name may be for example
+ ;; "/ssh:host.example.com:/some/path/x.erl"
+ ;;
+ ;; If I try to compile such a file using C-c C-k, an
+ ;; erlang shell on the remote host is automatically
+ ;; started if needed, but for it to successfully compile
+ ;; the file, the c(...) command that is sent must contain
+ ;; the file name "/some/path/x.erl" without the
+ ;; tramp-prefix "/ssh:host.example.com:".
+ (cond ((null (buffer-file-name))
+ nil)
+ ((erlang-tramp-remote-file-p)
+ (erlang-tramp-get-localname))
+ (t
+ (buffer-file-name))))
+
+(defun erlang-tramp-remote-file-p ()
+ (and (fboundp 'tramp-tramp-file-p)
+ (tramp-tramp-file-p (buffer-file-name))))
+
+(defun erlang-tramp-get-localname ()
+ (let ((tramp-info (tramp-dissect-file-name (buffer-file-name))))
+ (if (fboundp 'tramp-file-name-localname)
+ (tramp-file-name-localname tramp-info)
+ ;; In old versions of tramp, it was `tramp-file-name-path'
+ ;; instead of the newer `tramp-file-name-localname'
+ (tramp-file-name-path tramp-info))))
+
;; `next-error' only accepts buffers with major mode `compilation-mode'
;; or with the minor mode `compilation-minor-mode' activated.
;; (To activate the minor mode is out of the question, since it will
@@ -5560,7 +5602,7 @@ Capable of finding error messages in an inferior Erlang buffer."
"Make the inferior Erlang change directory.
The default is to go to the directory of the current buffer."
(interactive)
- (or dir (setq dir (file-name-directory (buffer-file-name))))
+ (or dir (setq dir (file-name-directory (erlang-local-buffer-file-name))))
(or (inferior-erlang-running-p)
(error "No inferior Erlang is running"))
(inferior-erlang-display-buffer)