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distel -- Distributed Emacs Lisp for Erlang.
Distel is a library for Emacs<->Erlang communication, plus a suite of
tools built on top of it, such as a debugger front-end. It works by
using the Erlang distribution protocol to connect Emacs with regular
Erlang nodes, turning it into a very convenient user-interface
After the INSTALL procedure, you will have an extended Erlang mode any
time you edit erlang files. You can see that this is enabled from the
mode-line string "Erlang EXT", instead of just "Erlang". To see the
available commands, use `describe-mode' (C-h m), which describes all
the currently activated modes. Near the bottom of its output you will
find this description:
Extensions to erlang-mode for communicating with a running Erlang node.
These commands generally communicate with an Erlang node. The first
time you use one, you will be prompted for the name of the node to
Here's a subset of the available commands. Use `describe-mode' (C-h m)
on any Distel buffer when you want to know what commands are
C-c C-d n - set the erlang node name
C-c C-d g - upload the distel modules to the erlang node
M-/ - Complete a module or remote function name.
M-. - Jump from a function call to its definition.
M-, - Jump back from a function definition (multi-level).
C-c C-d : - Evaluate an erlang expression from the minibuffer.
C-c C-d f - Refactor expressions in the region as a new function.
C-c C-d F - Find a module.
C-c C-d i - Toggle debug interpretping of the module.
C-c C-d b - Toggle a debugger breakpoint at the current line.
C-c C-d p - Profile (with fprof) an expression from the minibuffer.
C-c C-d L - Reload an Erlang module.
C-c C-d r - Reload all Erlang modules that are out of date.
C-c C-d w - Who calls function under point.
C-c C-d H - Show the html documentation for a function.
C-c C-d Z - Show the signature for a function.
To get more information about a particular command, use "C-h k"
followed by the command's key sequence. For general information about
Emacs' online help, use "C-h ?".
If you want to write new commands of your own, the programmer's manual
tells you how. You can make a postscript copy with "make postscript",
or an Info version with "make info" and "make info_install".
For more background about the "Session" commands, have a look in
Hope you enjoy, and please send hacks or feedback to*)!
PS: The "dynamic TAGS" with M-. and M-, is the coolest bit to get
started with!
Compatibility notes:
The profiler front end requires >= R8B (to get fprof)
The debugger front end requires >= R8B-1
Distel itself is not formally tested, but it has enough savvy users
that it'll typically run on the last 2 versions of Erlang and Emacs
(as of 2008 OTP R11/R12 and Emacs 21/22).
(*) Luke Gorrie is unfortunately no longer involved with Distel, and
Blutail no longer exists...
there is of course the distel-hackers mailing list;
and the issue tracker at google;
1. Can't handle event closed in state derl-recv-challenge-ack
this is what you get if the erlang node and the distel node disagree
one what cookie to use.
Use (in erl)
and (in emacs)
M-x erl-get-cookie
to check the cookies.