diff options
Diffstat (limited to 'lib/tools/emacs/erlang.el')
| -rw-r--r-- | lib/tools/emacs/erlang.el | 63 |
1 files changed, 38 insertions, 25 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index 624042204c..3a868f1300 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -73,6 +73,8 @@ ;; M-x set-variable RET debug-on-error RET t RET ;;; Code: +(eval-when-compile (require 'cl)) + ;; Variables: (defconst erlang-version "2.7" @@ -620,7 +622,6 @@ resulting regexp is surrounded by \\_< and \\_>." "if" "let" "of" - "query" "receive" "try" "when") @@ -697,6 +698,7 @@ resulting regexp is surrounded by \\_< and \\_>." "char" "cons" "deep_string" + "iodata" "iolist" "maybe_improper_list" "module" @@ -708,6 +710,7 @@ resulting regexp is surrounded by \\_< and \\_>." "nonempty_list" "nonempty_improper_list" "nonempty_maybe_improper_list" + "nonempty_string" "no_return" "pos_integer" "string" @@ -1025,7 +1028,7 @@ 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 @@ -1272,7 +1275,7 @@ 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 @@ -1321,7 +1324,7 @@ 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) @@ -1516,7 +1519,7 @@ 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 @@ -1686,7 +1689,7 @@ 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. @@ -1905,7 +1908,7 @@ 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 () @@ -2228,7 +2231,7 @@ 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 @@ -2349,7 +2352,7 @@ 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) @@ -2598,9 +2601,15 @@ 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]") + ((looking-at "\\(begin\\)[^_a-zA-Z0-9]") (erlang-push (list 'begin token (current-column)) stack)) ;; Normal when case ;;((looking-at "when\\s ") @@ -3036,7 +3045,7 @@ This assumes that the preceding expression is either simple \(i.e. an atom) or parenthesized." (save-excursion (or arg (setq arg 1)) - (forward-sexp (- arg)) + (ignore-errors (forward-sexp (- arg))) (let ((col (current-column))) (skip-chars-backward " \t") ;; Special hack to handle: (note line break) @@ -3110,7 +3119,7 @@ This assumes that the preceding expression is either simple (defun erlang-at-keyword () "Are we looking at an Erlang keyword which will increase indentation?" - (looking-at (concat "\\(when\\|if\\|fun\\|case\\|begin\\|query\\|" + (looking-at (concat "\\(when\\|if\\|fun\\|case\\|begin\\|" "of\\|receive\\|after\\|catch\\|try\\)[^_a-zA-Z0-9]"))) (defun erlang-at-operator () @@ -3132,7 +3141,7 @@ 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 @@ -3336,7 +3345,7 @@ With negative argument go towards the beginning of the buffer." (forward-sexp 1) (buffer-substring start (point))))) - + ;;; Miscellaneous (defun erlang-fill-paragraph (&optional justify) @@ -3445,7 +3454,7 @@ at the end." (error "Can't clone argument list")) (insert args) (set-mark p))) - + ;;; Information retrieval functions. (defun erlang-buffer-substring (beg end) @@ -3643,6 +3652,10 @@ Normally used in conjunction with `erlang-beginning-of-clause', e.g.: (setq cont nil)) ((looking-at "\\s *\\($\\|%\\)") (forward-line 1)) + ((looking-at "\\s *<<[^>]*?>>") + (when (zerop res) + (setq res (+ 1 res))) + (goto-char (match-end 0))) ((looking-at "\\s *,") (setq res (+ 1 res)) (goto-char (match-end 0))) @@ -3772,7 +3785,7 @@ 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 @@ -3835,7 +3848,7 @@ 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) @@ -3924,7 +3937,7 @@ non-whitespace characters following the point on the current line." (self-insert-command arg) ;; Was this the second char in bit-syntax open (`<<')? - (unless (< (point) 2) + (unless (<= (point) 2) (save-excursion (backward-char 2) (when (and (eq (char-after (point)) ?<) @@ -3945,7 +3958,7 @@ non-whitespace characters following the point on the current line." (defun erlang-after-bitsyntax-close () "Return t if point is immediately after a bit-syntax close parenthesis (`>>')." - (and (>= (point) 2) + (and (>= (point) 3) (save-excursion (backward-char 2) (and (eq (char-after (point)) ?>) @@ -4229,7 +4242,7 @@ 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 @@ -4539,7 +4552,7 @@ 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 @@ -4715,7 +4728,7 @@ 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- @@ -4834,7 +4847,7 @@ 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. ;;; @@ -4916,7 +4929,7 @@ 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. ;;; @@ -5052,7 +5065,7 @@ 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. ;;; |