4 files changed, 114 insertions, 14 deletions

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index bcaf4a328f5..6f54b9f7c0e 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,14 @@
+2012-08-12  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+        * progmodes/ruby-mode.el (ruby-mode-map): Remove unnecessary
+        binding for `newline'.
+        (ruby-move-to-block): When moving backward, stop at block opening,
+        not indentation.
+        * progmodes/ruby-mode.el (ruby-brace-to-do-end)
+        (ruby-do-end-to-brace, ruby-toggle-block): New functions.
+        * progmodes/ruby-mode.el (ruby-mode-map): Add binding for
+        `ruby-toggle-block'.
+
 2012-08-12  Stefan Monnier  <monnier@iro.umontreal.ca>
 
         * ibuffer.el (ibuffer-do-toggle-read-only):
@@ -40,16 +51,18 @@
 
 2012-08-09  Dmitry Gutov  <dgutov@yandex.ru>
 
-        Merge stuff from upsteam ruby-mode, part 1 (bug#12169).
+        * progmodes/ruby-mode.el (ruby-expr-beg, ruby-parse-partial):
+        ?, _, and : are symbol constituents, ! is not (but kinda should be).
+        (ruby-syntax-propertize-heredoc): Use ruby-singleton-class-p.
+        (ruby-syntax-propertize-function): Adjust for changes in
+        `ruby-syntax-propertize-heredoc'.
+
+2012-08-09 Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
         * progmodes/ruby-mode.el (ruby-mode-map): Remove deprecated
         binding (use `M-;' instead).
-        (ruby-expr-beg, ruby-parse-partial): ?, _, and : are symbol
-        constituents, ! is not (but kinda should be).
         (ruby-singleton-class-p): New function.
-        (ruby-expr-beg, ruby-in-here-doc-p)
-        (ruby-syntax-propertize-heredoc): Use it.
-        (ruby-syntax-propertize-function): Adjust for changes in
-        `ruby-syntax-propertize-heredoc'.
+        (ruby-expr-beg, ruby-in-here-doc-p) Use it.
 
 2012-08-10  Stefan Monnier  <monnier@iro.umontreal.ca>
 
diff --git a/lisp/progmodes/ruby-mode.el b/lisp/progmodes/ruby-mode.el
index 68abaff21d2..744dd430658 100644
--- a/lisp/progmodes/ruby-mode.el
+++ b/lisp/progmodes/ruby-mode.el
@@ -150,7 +150,7 @@ This should only be called after matching against `ruby-here-doc-beg-re'."
     (define-key map (kbd "M-C-q") 'ruby-indent-exp)
     (define-key map (kbd "C-M-h") 'backward-kill-word)
     (define-key map (kbd "C-j")   'reindent-then-newline-and-indent)
-    (define-key map (kbd "C-m")   'newline)
+    (define-key map (kbd "C-c {") 'ruby-toggle-block)
     map)
   "Keymap used in Ruby mode.")
 
@@ -881,10 +881,11 @@ or blocks containing the current block."
   ;; TODO: Make this work for n > 1,
   ;; make it not loop for n = 0,
   ;; document body
-  (let (start pos done down)
-    (setq start (ruby-calculate-indent))
-    (setq down (looking-at (if (< n 0) ruby-block-end-re
-                             (concat "\\<\\(" ruby-block-beg-re "\\)\\>"))))
+  (let ((orig (point))
+        (start (ruby-calculate-indent))
+        (down (looking-at (if (< n 0) ruby-block-end-re
+                            (concat "\\<\\(" ruby-block-beg-re "\\)\\>"))))
+        pos done)
     (while (and (not done) (not (if (< n 0) (bobp) (eobp))))
       (forward-line n)
       (cond
@@ -907,8 +908,18 @@ or blocks containing the current block."
           (save-excursion
             (back-to-indentation)
             (if (looking-at (concat "\\<\\(" ruby-block-mid-re "\\)\\>"))
-                (setq done nil))))))
-  (back-to-indentation))
+                (setq done nil)))))
+    (back-to-indentation)
+    (when (< n 0)
+      (let ((eol (point-at-eol)) state next)
+        (if (< orig eol) (setq eol orig))
+        (setq orig (point))
+        (while (and (setq next (apply 'ruby-parse-partial eol state))
+                    (< (point) eol))
+          (setq state next))
+        (when (cdaadr state)
+          (goto-char (cdaadr state)))
+        (backward-word)))))
 
 (defun ruby-beginning-of-block (&optional arg)
   "Move backward to the beginning of the current block.
@@ -1116,6 +1127,47 @@ See `add-log-current-defun-function'."
               (if mlist (concat mlist mname) mname)
             mlist)))))
 
+(defun ruby-brace-to-do-end ()
+  (when (looking-at "{")
+    (let ((orig (point)) (end (progn (ruby-forward-sexp) (point))))
+      (when (eq (char-before) ?\})
+        (delete-char -1)
+        (if (eq (char-syntax (char-before)) ?w)
+            (insert " "))
+        (insert "end")
+        (if (eq (char-syntax (char-after)) ?w)
+            (insert " "))
+        (goto-char orig)
+        (delete-char 1)
+        (if (eq (char-syntax (char-before)) ?w)
+            (insert " "))
+        (insert "do")
+        (when (looking-at "\\sw\\||")
+          (insert " ")
+          (backward-char))
+        t))))
+
+(defun ruby-do-end-to-brace ()
+  (when (and (or (bolp)
+                 (not (memq (char-syntax (char-before)) '(?w ?_))))
+             (looking-at "\\<do\\(\\s \\|$\\)"))
+    (let ((orig (point)) (end (progn (ruby-forward-sexp) (point))))
+      (backward-char 3)
+      (when (looking-at ruby-block-end-re)
+        (delete-char 3)
+        (insert "}")
+        (goto-char orig)
+        (delete-char 2)
+        (insert "{")
+        (if (looking-at "\\s +|")
+            (delete-char (- (match-end 0) (match-beginning 0) 1)))
+        t))))
+
+(defun ruby-toggle-block ()
+  (interactive)
+  (or (ruby-brace-to-do-end)
+      (ruby-do-end-to-brace)))
+
 (declare-function ruby-syntax-propertize-heredoc "ruby-mode" (limit))
 (declare-function ruby-syntax-general-delimiters-goto-beg "ruby-mode" ())
 (declare-function ruby-syntax-propertize-general-delimiters "ruby-mode" (limit))
diff --git a/test/ChangeLog b/test/ChangeLog
index 0e016260abe..a0163b56e6d 100644
--- a/test/ChangeLog
+++ b/test/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-12  Dmitry Gutov  <dgutov@yandex.ru>
+
+        * automated/ruby-mode-tests.el (ruby-move-to-block-stops-at-opening)
+        (ruby-toggle-block-to-do-end, ruby-toggle-block-to-brace): New test.
+
 2012-08-11  Glenn Morris  <rgm@gnu.org>
 
         * automated/files.el: New file.
@@ -12,6 +17,10 @@
         Add tests for `ruby-deep-indent-paren' behavior.
         Port all tests from test/misc/test_ruby_mode.rb in Ruby repo.
 
+2012-08-10  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+        Original tests in test_ruby_mode.rb in upstream (author).
+
 2012-08-09  Dmitry Gutov  <dgutov@yandex.ru>
 
         * automated/ruby-mode-tests.el (ruby-should-indent)
diff --git a/test/automated/ruby-mode-tests.el b/test/automated/ruby-mode-tests.el
index f91b6e44b22..df51aa0d15a 100644
--- a/test/automated/ruby-mode-tests.el
+++ b/test/automated/ruby-mode-tests.el
@@ -191,6 +191,32 @@ VALUES-PLIST is a list with alternating index and value elements."
    |  end
    |"))
 
+(ert-deftest ruby-move-to-block-stops-at-opening ()
+  (with-temp-buffer
+    (insert "def f\nend")
+    (beginning-of-line)
+    (ruby-mode)
+    (ruby-move-to-block -1)
+    (should (looking-at "f$"))))
+
+(ert-deftest ruby-toggle-block-to-do-end ()
+  (with-temp-buffer
+    (insert "foo {|b|\n}\n")
+    (ruby-mode)
+    (search-backward "{")
+    (ruby-toggle-block)
+    (should (string= "foo do |b|\nend\n" (buffer-substring-no-properties
+                                          (point-min) (point-max))))))
+
+(ert-deftest ruby-toggle-block-to-brace ()
+  (with-temp-buffer
+    (insert "foo do |b|\nend\n")
+    (ruby-mode)
+    (search-backward "do")
+    (ruby-toggle-block)
+    (should (string= "foo {|b|\n}\n" (buffer-substring-no-properties
+                                      (point-min) (point-max))))))
+
 (provide 'ruby-mode-tests)
 
 ;;; ruby-mode-tests.el ends here