and I forgot to mention that I already had another "a" defined => a java.lang.RuntimeException
hence why it worked On Thu, Feb 14, 2013 at 11:01 PM, AtKaaZ <atk...@gmail.com> wrote: > ah I tricked myself... I used "~a" inside the macro instead of "~c" or > "~cls" > so back to still impossible > > => (defmacro mew [cls & restt] > (let [c cls] > `(eval (new ~c ~@restt)) > > ) > ) > #'runtime.q/mew > => (let [a java.lang.RuntimeException] > (mew a) > ) > CompilerException java.lang.IllegalArgumentException: Unable to resolve > classname: a, compiling:(NO_SOURCE_PATH:2:3) > => (defmacro mew [cls & restt] > `(eval (new ~cls ~@restt)) > > ) > #'runtime.q/mew > => (let [a java.lang.RuntimeException] > (mew a) > ) > CompilerException java.lang.IllegalArgumentException: Unable to resolve > classname: a, compiling:(NO_SOURCE_PATH:2:3) > > > On Thu, Feb 14, 2013 at 10:58 PM, AtKaaZ <atk...@gmail.com> wrote: > >> ok looks like it's not impossible: >> => *(defmacro mew [cls & restt] >> (let [c a] >> `(eval (new ~a ~@restt)) >> ) >> )* >> >> #'runtime.q/mew >> => *(let [a java.lang.RuntimeException] >> (mew a) >> )* >> #<RuntimeException java.lang.RuntimeException> >> >> >> >> On Thu, Feb 14, 2013 at 10:53 PM, AtKaaZ <atk...@gmail.com> wrote: >> >>> I figure since new is expecting a class at compiletime, we can never >>> pass it a class that we evaluate at runtime(those locals), ergo => >>> impossible to macro around "new" like that >>> >>> like this => impossible: >>> *(let [a java.lang.RuntimeException] >>> (macro-that-eventually-calls-new a))* >>> >>> maybe someone could suggest another way? clojure.reflect ? >>> >>> >>> >>> On Thu, Feb 14, 2013 at 10:40 PM, AtKaaZ <atk...@gmail.com> wrote: >>> >>>> thanks for the reply, >>>> >>>> => *(defmacro mew [cls & args] >>>> `(new ~cls ~@args))* >>>> #'runtime.q/mew >>>> =>* (let [a java.lang.RuntimeException] >>>> (mew a) >>>> )* >>>> >>>> CompilerException java.lang.IllegalArgumentException: Unable to resolve >>>> classname: a, compiling:(NO_SOURCE_PATH:2:3) >>>> >>>> that would be the equivalent macro of what *new* is doing >>>> it's like >>>> *(new a)* >>>> CompilerException java.lang.IllegalArgumentException: Unable to resolve >>>> classname: a, compiling:(NO_SOURCE_PATH:2:3) >>>> >>>> >>>> This is the goal: >>>> >>>> The goal is to can write this form: >>>> => *(let [a java.lang.RuntimeException] >>>> (new a))* >>>> >>>> but I think it's impossible, at least by using "new" it is >>>> >>>> >>>> On Thu, Feb 14, 2013 at 10:34 PM, Andy Fingerhut < >>>> andy.finger...@gmail.com> wrote: >>>> >>>>> >>>>> On Feb 14, 2013, at 1:27 PM, AtKaaZ wrote: >>>>> >>>>> The goal is to can write this form: >>>>> => *(let [a java.lang.RuntimeException] >>>>> (new a) >>>>> )* >>>>> CompilerException java.lang.IllegalArgumentException: Unable to >>>>> resolve classname: a, compiling:(NO_SOURCE_PATH:2:3) >>>>> >>>>> attempt with macro: >>>>> =>* (defmacro mew [cls & restt] >>>>> `(new ~(eval cls) ~@restt) >>>>> )* >>>>> #'runtime.q/mew >>>>> >>>>> >>>>> This is probably your closest attempt. Try this variation on the >>>>> above: >>>>> >>>>> (defmacro mew [cls & args] >>>>> `(new ~cls ~@args)) >>>>> >>>>> user=> (macroexpand-1 '(mew java.lang.RuntimeException)) >>>>> (new java.lang.RuntimeException) >>>>> >>>>> Andy >>>>> >>>>> -- >>>>> -- >>>>> 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 unsubscribe from this group and stop receiving emails from it, send >>>>> an email to clojure+unsubscr...@googlegroups.com. >>>>> For more options, visit https://groups.google.com/groups/opt_out. >>>>> >>>>> >>>>> >>>> >>>> >>>> >>>> -- >>>> Please correct me if I'm wrong or incomplete, >>>> even if you think I'll subconsciously hate it. >>>> >>>> >>> >>> >>> -- >>> Please correct me if I'm wrong or incomplete, >>> even if you think I'll subconsciously hate it. >>> >>> >> >> >> -- >> Please correct me if I'm wrong or incomplete, >> even if you think I'll subconsciously hate it. >> >> > > > -- > Please correct me if I'm wrong or incomplete, > even if you think I'll subconsciously hate it. > > -- Please correct me if I'm wrong or incomplete, even if you think I'll subconsciously hate it. -- -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
