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-rw-r--r--lib/tools/emacs/erlang-test.el34
-rw-r--r--lib/tools/emacs/erlang.el45
2 files changed, 55 insertions, 24 deletions
diff --git a/lib/tools/emacs/erlang-test.el b/lib/tools/emacs/erlang-test.el
index 549fae4799..adf865128f 100644
--- a/lib/tools/emacs/erlang-test.el
+++ b/lib/tools/emacs/erlang-test.el
@@ -132,6 +132,40 @@ concatenated to form an erlang file to test on.")
(should (looking-back "erlang_test:"))))
+(ert-deftest erlang-test-compile-options ()
+ (erlang-test-format-opt t
+ "t")
+ (erlang-test-format-opt nil
+ "nil")
+ (erlang-test-format-opt (cons 1 2)
+ "{1, 2}")
+ (erlang-test-format-opt (list 1)
+ "[1]")
+ (erlang-test-format-opt (list 1 2)
+ "[1, 2]")
+ (erlang-test-format-opt (list 1 2 3)
+ "[1, 2, 3]")
+ (erlang-test-format-opt 'symbol
+ "symbol")
+ (erlang-test-format-opt "string"
+ "\"string\"")
+ (erlang-test-format-opt []
+ "{}")
+ (erlang-test-format-opt [1]
+ "{1}")
+ (erlang-test-format-opt [1 2]
+ "{1, 2}")
+ (erlang-test-format-opt [1 2 (3 [4 5 6] 7)]
+ "{1, 2, [3, {4, 5, 6}, 7]}"))
+
+(defun erlang-test-format-opt (elisp &optional expected-erlang)
+ (let ((erlang (inferior-erlang-format-opt elisp)))
+ (message "%s -> %s" elisp erlang)
+ (when expected-erlang
+ (should (equal erlang expected-erlang)))
+ erlang))
+
+
(provide 'erlang-test)
;;; erlang-test.el ends here
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el
index c5904ff686..73c6b8d768 100644
--- a/lib/tools/emacs/erlang.el
+++ b/lib/tools/emacs/erlang.el
@@ -4358,8 +4358,7 @@ works under XEmacs.)"
(require 'etags)
(set (make-local-variable 'find-tag-default-function)
'erlang-find-tag-for-completion)
- (if (boundp 'xref-backend-functions)
- ;; Emacs 25+
+ (if (>= emacs-major-version 25)
(add-hook 'xref-backend-functions
#'erlang-etags--xref-backend nil t)
;; Test on a function available in the Emacs 19 version
@@ -5715,31 +5714,29 @@ unless the optional NO-DISPLAY is non-nil."
(defun inferior-erlang-format-comma-opts (opts)
(if (null opts)
""
- (concat ", " (inferior-erlang-format-opts opts))))
-
-(defun inferior-erlang-format-opts (opts)
- (concat "[" (inferior-erlang-string-join (mapcar 'inferior-erlang-format-opt
- opts)
- ", ")
- "]"))
+ (concat ", " (inferior-erlang-format-opt opts))))
(defun inferior-erlang-format-opt (opt)
(cond ((stringp opt) (concat "\"" opt "\""))
- ((atom opt) (format "%s" opt))
- ((consp opt) (concat "{" (inferior-erlang-string-join
- (mapcar 'inferior-erlang-format-opt
- (list (car opt) (cdr opt)))
- ", ")
- "}"))
- (t (error (format "Unexpected opt %s" opt)))))
-
-(defun inferior-erlang-string-join (strs sep)
- (let ((result (or (car strs) "")))
- (setq strs (cdr strs))
- (while strs
- (setq result (concat result sep (car strs)))
- (setq strs (cdr strs)))
- result))
+ ((vectorp opt) (inferior-erlang-tuple (append opt nil)))
+ ((atom opt) (format "%s" opt))
+ ((consp opt) (if (listp (cdr opt))
+ (inferior-erlang-list opt)
+ (inferior-erlang-tuple (list (car opt) (cdr opt)))))
+ (t (error "Unexpected erlang compile option %s" opt))))
+
+(defun inferior-erlang-tuple (opts)
+ (concat "{" (mapconcat 'inferior-erlang-format-opt
+ opts
+ ", ")
+ "}"))
+
+(defun inferior-erlang-list (opts)
+ (concat "[" (mapconcat 'inferior-erlang-format-opt
+ opts
+ ", ")
+ "]"))
+
(defun erlang-local-buffer-file-name ()
;; When editing a file remotely via tramp,