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-rw-r--r--lib/tools/emacs/erlang.el143
1 files changed, 102 insertions, 41 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index c395d22356..0c003bab39 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -7,7 +7,7 @@
;; %CopyrightBegin%
;;
-;; Copyright Ericsson AB 1996-2013. All Rights Reserved.
+;; Copyright Ericsson AB 1996-2014. All Rights Reserved.
;;
;; The contents of this file are subject to the Erlang Public License,
;; Version 1.1, (the "License"); you may not use this file except in
@@ -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")
@@ -663,6 +664,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"is_function"
"is_integer"
"is_list"
+ "is_map"
"is_number"
"is_pid"
"is_port"
@@ -714,7 +716,8 @@ resulting regexp is surrounded by \\_< and \\_>."
"pos_integer"
"string"
"term"
- "timeout")
+ "timeout"
+ "map")
"Erlang type specs types"))
(eval-and-compile
@@ -771,6 +774,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"is_function"
"is_integer"
"is_list"
+ "is_map"
"is_number"
"is_pid"
"is_port"
@@ -790,6 +794,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"list_to_tuple"
"load_module"
"make_ref"
+ "map_size"
"max"
"min"
"module_loaded"
@@ -848,7 +853,6 @@ resulting regexp is surrounded by \\_< and \\_>."
"append_element"
"await_proc_exit"
"await_sched_wall_time_modifications"
- "bitstr_to_list"
"bump_reductions"
"call_on_load_function"
"cancel_timer"
@@ -882,6 +886,7 @@ resulting regexp is surrounded by \\_< and \\_>."
"flush_monitor_message"
"format_cpu_topology"
"fun_info"
+ "fun_info_mfa"
"fun_to_list"
"function_exported"
"garbage_collect_message_area"
@@ -894,7 +899,6 @@ resulting regexp is surrounded by \\_< and \\_>."
"hibernate"
"insert_element"
"is_builtin"
- "list_to_bitstr"
"load_nif"
"loaded"
"localtime"
@@ -1415,6 +1419,10 @@ Other commands:
(if (boundp 'after-change-major-mode-hook)
(run-hooks 'after-change-major-mode-hook)))
+;;;###autoload
+(dolist (r '("\\.erl$" "\\.app\\.src$" "\\.escript"
+ "\\.hrl$" "\\.xrl$" "\\.yrl" "/ebin/.+\\.app"))
+ (add-to-list 'auto-mode-alist (cons r 'erlang-mode)))
(defun erlang-syntax-table-init ()
(if (null erlang-mode-syntax-table)
@@ -2565,9 +2573,9 @@ Value is list (stack token-start token-type in-what)."
(erlang-pop stack))
(if (and stack (memq (car (car stack)) '(icr begin fun try)))
(erlang-pop stack))))
- ((looking-at "catch.*of")
+ ((looking-at "catch\\b.*of")
t)
- ((looking-at "catch\\s *\\($\\|%\\|.*->\\)")
+ ((looking-at "catch\\b\\s *\\($\\|%\\|.*->\\)")
;; Must pop top icr layer, `catch' in try/catch
;;will push a new layer next.
(progn
@@ -2600,18 +2608,24 @@ 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 ")
;;((looking-at "when\\s *\\($\\|%\\)")
((looking-at "when[^_a-zA-Z0-9]")
(erlang-push (list 'when token (current-column)) stack))
- ((looking-at "catch.*of")
+ ((looking-at "catch\\b.*of")
t)
- ((looking-at "catch\\s *\\($\\|%\\|.*->\\)")
+ ((looking-at "catch\\b\\s *\\($\\|%\\|.*->\\)")
(erlang-push (list 'icr token (current-column)) stack))
;;(erlang-push (list '-> token (current-column)) stack))
;;((looking-at "^of$")
@@ -2902,7 +2916,7 @@ Return nil if inside string, t if in a comment."
(if stack
(erlang-caddr (car stack))
0))
- ((looking-at "catch\\($\\|[^_a-zA-Z0-9]\\)")
+ ((looking-at "catch\\b\\($\\|[^_a-zA-Z0-9]\\)")
;; Are we in a try
(let ((start (if (eq (car stack-top) '->)
(car (cdr stack))
@@ -3038,7 +3052,7 @@ 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)
@@ -3112,13 +3126,13 @@ 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\\|"
- "of\\|receive\\|after\\|catch\\|try\\)[^_a-zA-Z0-9]")))
+ (looking-at (concat "\\(when\\|if\\|fun\\|case\\|begin\\|"
+ "of\\|receive\\|after\\|catch\\|try\\)\\b")))
(defun erlang-at-operator ()
"Are we looking at an Erlang operator?"
(looking-at
- "\\(bnot\\|div\\|mod\\|band\\|bor\\|bxor\\|bsl\\|bsr\\)[^_a-zA-Z0-9]"))
+ "\\(bnot\\|div\\|mod\\|band\\|bor\\|bxor\\|bsl\\|bsr\\)\\b"))
(defun erlang-comment-indent ()
"Compute Erlang comment indentation.
@@ -3645,6 +3659,10 @@ 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)))
@@ -3926,7 +3944,7 @@ 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)) ?<)
@@ -3947,7 +3965,7 @@ 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)) ?>)
@@ -4725,6 +4743,23 @@ for a tag on the form `module:tag'."
;;; `module:tag'.
+(when (and (fboundp 'etags-tags-completion-table)
+ (fboundp 'tags-lazy-completion-table)) ; Emacs 23.1+
+ (if (fboundp 'advice-add)
+ ;; Emacs 24.4+
+ (advice-add 'etags-tags-completion-table :around
+ (lambda (oldfun)
+ (if (eq find-tag-default-function 'erlang-find-tag-for-completion)
+ (erlang-etags-tags-completion-table)
+ (funcall oldfun)))
+ (list :name 'erlang-replace-tags-table))
+ ;; Emacs 23.1-24.3
+ (defadvice etags-tags-completion-table (around erlang-replace-tags-table activate)
+ (if (eq find-tag-default-function 'erlang-find-tag-for-completion)
+ (setq ad-return-value (erlang-etags-tags-completion-table))
+ ad-do-it))))
+
+
(defun erlang-complete-tag ()
"Perform tags completion on the text around point.
Completes to the set of names listed in the current tags table.
@@ -4736,7 +4771,17 @@ about Erlang modules."
(require 'etags)
(error nil))
(cond ((and erlang-tags-installed
- (fboundp 'complete-tag)) ; Emacs 19
+ (fboundp 'etags-tags-completion-table)
+ (fboundp 'tags-lazy-completion-table)) ; Emacs 23.1+
+ ;; This depends on the advice called erlang-replace-tags-table
+ ;; above. It is not enough to let-bind
+ ;; tags-completion-table-function since that will not override
+ ;; the buffer-local value in the TAGS buffer.
+ (let ((find-tag-default-function 'erlang-find-tag-for-completion))
+ (complete-tag)))
+ ((and erlang-tags-installed
+ (fboundp 'complete-tag)
+ (fboundp 'tags-complete-tag)) ; Emacs 19
(let ((orig-tags-complete-tag (symbol-function 'tags-complete-tag)))
(fset 'tags-complete-tag
(symbol-function 'erlang-tags-complete-tag))
@@ -4751,6 +4796,15 @@ about Erlang modules."
(error "This version of Emacs can't complete tags"))))
+(defun erlang-find-tag-for-completion ()
+ (let ((start (save-excursion
+ (skip-chars-backward "[:word:][:digit:]_:'")
+ (point))))
+ (unless (eq start (point))
+ (buffer-substring-no-properties start (point)))))
+
+
+
;; Based on `tags-complete-tag', but this one uses
;; `erlang-tags-completion-table' instead of `tags-completion-table'.
;;
@@ -4798,7 +4852,12 @@ about Erlang modules."
;; the only format supported by Emacs, so far.)
(defun erlang-etags-tags-completion-table ()
(let ((table (make-vector 511 0))
- (file nil))
+ (file nil)
+ (progress-reporter
+ (when (fboundp 'make-progress-reporter)
+ (make-progress-reporter
+ (format "Making erlang tags completion table for %s..." buffer-file-name)
+ (point-min) (point-max)))))
(save-excursion
(goto-char (point-min))
;; This monster regexp matches an etags tag line.
@@ -4810,31 +4869,33 @@ about Erlang modules."
;; \6 is the line to start searching at;
;; \7 is the char to start searching at.
(while (progn
- (while (and
- (eq (following-char) ?\f)
- (looking-at "\f\n\\([^,\n]*\\),.*\n"))
- (setq file (buffer-substring
- (match-beginning 1) (match-end 1)))
- (goto-char (match-end 0)))
- (re-search-forward
- "\
+ (while (and
+ (eq (following-char) ?\f)
+ (looking-at "\f\n\\([^,\n]*\\),.*\n"))
+ (setq file (buffer-substring
+ (match-beginning 1) (match-end 1)))
+ (goto-char (match-end 0)))
+ (re-search-forward
+ "\
^\\(\\([^\177]+[^-a-zA-Z0-9_$\177]+\\)?\\([-a-zA-Z0-9_$?:]+\\)\
\[^-a-zA-Z0-9_$?:\177]*\\)\177\\(\\([^\n\001]+\\)\001\\)?\
\\([0-9]+\\)?,\\([0-9]+\\)?\n"
- nil t))
- (let ((tag (if (match-beginning 5)
- ;; There is an explicit tag name.
- (buffer-substring (match-beginning 5) (match-end 5))
- ;; No explicit tag name. Best guess.
- (buffer-substring (match-beginning 3) (match-end 3))))
- (module (and file
- (erlang-get-module-from-file-name file))))
- (intern tag table)
- (if (stringp module)
- (progn
- (intern (concat module ":" tag) table)
- ;; Only the first one will be stored in the table.
- (intern (concat module ":") table))))))
+ nil t))
+ (let ((tag (if (match-beginning 5)
+ ;; There is an explicit tag name.
+ (buffer-substring (match-beginning 5) (match-end 5))
+ ;; No explicit tag name. Best guess.
+ (buffer-substring (match-beginning 3) (match-end 3))))
+ (module (and file
+ (erlang-get-module-from-file-name file))))
+ (intern tag table)
+ (when (stringp module)
+ (intern (concat module ":" tag) table)
+ ;; Only the first ones will be stored in the table.
+ (intern (concat module ":") table)
+ (intern (concat module ":module_info") table))
+ (when progress-reporter
+ (progress-reporter-update progress-reporter (point))))))
table))
;;;