I just tried it, this is fantastic! We'll finally be able to debug
macros while keeping our sanity. Many thanks for this and I hope it
will be added directly into Clojure.
On Mar 12, 3:05 am, Tom Faulhaber tomfaulha...@gmail.com wrote:
I have now released the first version of my pretty printer
I have now released the first version of my pretty printer as part
of my cl-format library. It is released under the EPL.
The pretty printer has two functions that you probably care about:
(pprint obj) will pretty print the given object, and
(pp) at the REPL will pretty print the last result
On Mar 12, 2009, at 3:05 AM, Tom Faulhaber wrote:
I have now released the first version of my pretty printer as part
of my cl-format library. It is released under the EPL.
The pretty printer has two functions that you probably care about:
(pprint obj) will pretty print the given object,
Awesome! I expect I'll be trying it out tonight.
Oh, and I hope this goes into contrib -- it'll keep my classpath shorter.
On Thu, Mar 12, 2009 at 2:05 AM, Tom Faulhaber tomfaulha...@gmail.comwrote:
I have now released the first version of my pretty printer as part
of my cl-format library.
Amazing stuff. In particular this finally makes debugging macros sane.
For those of you that are using swank-clojure you only need to make minor
modifications to swank-clojure to pretty-print your macro expansions to the
macro expansion buffer. Even better you can move the cursor to subform
On Mar 12, 2009, at 8:05, Tom Faulhaber wrote:
I have now released the first version of my pretty printer as part
of my cl-format library. It is released under the EPL.
From what I have seen in my first tests, this is likely to become an
essential part of my Clojure environment. Thanks!
Rich,
I would be happy to make it a contribution (it's the least I can do!).
I've had a CA sitting on my desk unread and unsigned for about 3
weeks. It is now read, signed, and in an envelope. I'll send it off
this morning.
Everyone,
Thanks for the kind words. I'm glad you like it.
David's
Expanding on David's earlier example of pretty printing, we can set
the dispatch to *code-dispatch* and bind *print-suppress-namespaces*
to true and get the following (apologies for google messing up my
formatting):
(do
(defmacro dft2 [tree]
(seq (concat (list '=dft2) (list '*cont*) (list
Are you planning to include scripts at some point that support pretty
printing a source file? For example, I'd like to do this from a
terminal window:
$ cljpp foo.clj foo2.clj
Mark,
Yeah, I've thought about that and the simple version is very straight-
forward and I'm planning to do that
So that people can copy and paste the change in basic.clj
(defn- apply-macro-expander [expander string]
(binding [*print-suppress-namespaces* true]
(let [astr (with-out-str
(with-pprint-dispatch *code-dispatch*
(pprint (expander (read-from-string string)]
(subs astr 0 (dec
I suppose the following is more idiomatic:
(defn- apply-macro-expander [expander string]
(let [astr (with-out-str
(binding [*print-suppress-namespaces* true]
(with-pprint-dispatch *code-dispatch*
(pprint (expander (read-from-string string))]
(subs astr 0 (dec (count
Works great.
On Thu, Mar 12, 2009 at 3:30 PM, Tom Faulhaber tomfaulha...@gmail.comwrote:
Write can produce pretty output directly to a string and without the
trailing newline, making this a little shorter:
(defn- apply-macro-expander [expander string]
(binding
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