diff options
Diffstat (limited to 'lib/tools/emacs/erlang.el')
| -rw-r--r-- | lib/tools/emacs/erlang.el | 47 |
1 files changed, 40 insertions, 7 deletions
diff --git a/lib/tools/emacs/erlang.el b/lib/tools/emacs/erlang.el index f3bc95e3e5..624042204c 100644 --- a/lib/tools/emacs/erlang.el +++ b/lib/tools/emacs/erlang.el @@ -2813,6 +2813,9 @@ 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 *\\($\\|%\\)") @@ -5365,7 +5368,7 @@ 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)) @@ -5403,7 +5406,7 @@ 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")) @@ -5421,11 +5424,11 @@ 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)) @@ -5457,7 +5460,7 @@ 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)))) @@ -5476,7 +5479,7 @@ 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)))) @@ -5527,6 +5530,36 @@ 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 @@ -5561,7 +5594,7 @@ 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) |