Do you see the same issue when working with lazy sequences? We definitely don't eat exceptions.
On Monday, January 9, 2012, Tassilo Horn <tass...@member.fsf.org> wrote: > Phil Hagelberg <p...@hagelb.org> writes: > > Hi Phil, > >>> One thing that really made the programming extremely hard was that I >>> don't get any backtraces if an exception occurs inside a `run'. For >>> example, I get this in SLIME with M-x clojure-jack-in RET. >> >>> (defn wrongo [a b] false) ;; intentionally broken >>> ;=> #'logic-introduction.extend/wrongo >>> (run* [q] (wrongo 1 2)) >>> ; Evaluation aborted. >> >> Does the problem only happen with specific exceptions coming from >> core.logic or is it a general problem? > > It seems to be specific to exceptions thrown inside core.logic. For > example, all those put me in the SLIME debugger just as it should be: > > (run* [q] (/ 1 0)) => ArithmeticException > (run* [q] (wrongo 1)) => ArityException > > However, exceptions thrown inside core.logic don't show up. > > (run* [q] (wrongo 1 2)) > ; Evaluation aborted. > (clojure.repl/pst *e) > ClassCastException java.lang.Boolean cannot be cast to clojure.lang.IFn > clojure.core.logic.Substitutions (logic.clj:207) > de.uni-koblenz.ist.funtg.funrl/eval5744/fn--5745/fn--5746/-inc--5747 (NO_SOURCE_FILE:1) > clojure.core.logic/eval2975/fn--2976/fn--2977 (logic.clj:885) > clojure.lang.LazySeq.sval (LazySeq.java:42) > clojure.lang.LazySeq.seq (LazySeq.java:67) > clojure.lang.RT.seq (RT.java:466) > clojure.core/seq (core.clj:133) > clojure.core/take/fn--3836 (core.clj:2499) > clojure.lang.LazySeq.sval (LazySeq.java:42) > clojure.lang.LazySeq.seq (LazySeq.java:60) > clojure.lang.RT.seq (RT.java:466) > clojure.core/seq (core.clj:133) > nil > >> If you can find the places where clj-stacktrace is used inside >> swank-clojure and wrap them in try/catches that do .printStackTrace >> you might be able to discover more about the cause. Or if it's >> something specific to using core.logic please provide steps for how to >> reproduce, preferably in the issue tracker. > > I'll do so, but not this evening. Now that I know of *e and `pst', it > lost much of its importance, anyway. :-) > > Bye, > Tassilo > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient with your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
