eclipse and emacs?

[Robert McIntyre]

I'm trying to move between emacs and eclipse, and was wondering the following:

When I change code in eclipse, how do I get those changes to propagate
to the repl without restarting?

sorry if this is vague....

--Robert McIntyre

[Laurent PETIT]

2010/12/15 Robert McIntyre <r...@mit.edu>

Hi,

You can send code at any time :
  * via Ctrl+Alt+X : send to the repl either the top level expr where the cursor stands (if there's no current selection), or the current selection
  * via Ctrl+Alt+S : loads the current file in the REPL

Optionally, if you've started the REPL from the project's node (and not from a particular clojure file's node), then you're in 'project mode' aka everytime you save an editor's content, the whole project libs are tentatively reloaded (not that currently this will not automagically remove deleted vars)

All the currently available commands usable from an editor in eclipse (assuming you're talking really about Counterclockwise plugin aka ccw) are summed up in this wiki page :http://code.google.com/p/counterclockwise/wiki/EditorKeyBindingsFeatures 

--Robert McIntyre

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[Robert McIntyre]

Thanks for trying to help --- I know my first stab at this was vague
so I'll try to be more clear this time.

I have a java project in eclipse, and I'm using the clojure repl in
emacs to try and debug the java.

I've just but the special eclipse "/bin" folder for that project on
the classpath so that I can get at the class files that are
iteratively compiled by eclipse

I have an object with a "toString" method which I'm munging in
eclipse, and then I go to the repl in emacs and try to see my changes.
But no matter what I do I can't see the changes I made in the
toString function reflected in the repl. Neither reloading the
namespace, reimporting the class, or doing a fill clean in eclipse
changes anything. However, killing the jvm running the repl and
restarting does work.

Is there a less painful way to make the changes in eclipse on java
code propogate to another repl in emacs outside eclipse?

--Robert McIntyre

[Laurent PETIT]

several ideas:
   * start the jvm from "emacs" in debug mode
  * start the project in debug mode from within eclipse, with an embedded clojure-swank-server, and connect to it remotely via emacs

the key is "debug mode", where the JVM will be able to reflect *some* clas changes on the fly (generally, just changing the impl of a method works quite well)

  * use a javaagent such as the one provided by JRebel. Will make on-the-fly changes of classes even when run in normal mode (not debug)

  * use clojure code, or use the java method as a proxy to some handling clojure function

2010/12/16 Robert McIntyre <r...@mit.edu>