Re: new, macros and Can't eval locals
You need to know something... it's a dialect of LISP, the only limitation is you. On Thursday, February 14, 2013 5:08:57 PM UTC-5, AtKaaZ wrote: Thank you! I didn't know you could do .newInstance oh that's a nice trick with eval and list 'new So it's not impossible after all, thanks Aaron! Here's what I got from what you said: = *(defmacro mew [cls restt] `(eval (list 'new ~cls ~@restt)) )* #'runtime.q/mew = *(let [a java.lang.RuntimeException] (mew a) )* #RuntimeException java.lang.RuntimeException it makes sense now, using eval at runtime not at compile time as I was trying and also the newInstance variant: = *(defmacro mew [cls restt] `(.newInstance ~cls ~@restt) )* #'runtime.q/mew = *(let [a java.lang.RuntimeException] (mew a) )* #RuntimeException java.lang.RuntimeException Really, thank you Aaron, On Thu, Feb 14, 2013 at 11:02 PM, Aaron Cohen aa...@assonance.orgjavascript: wrote: Yes, since this is runtime you should use reflection. (let [a java.lang.RuntimeException] (.newInstance a)) Alternatively, you can use eval: (let [a java.lang.RuntimeException] (eval (list 'new a))) On Thu, Feb 14, 2013 at 4:53 PM, AtKaaZ atk...@gmail.com javascript: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 javascript: 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.fi...@gmail.comjavascript: 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 clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: 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+u...@googlegroups.com javascript:. 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. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+u...@googlegroups.com javascript: 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+u...@googlegroups.com javascript:. For more options, visit https://groups.google.com/groups/opt_out. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@googlegroups.comjavascript: Note that posts from new members
Re: new, macros and Can't eval locals
On Sun, Feb 17, 2013 at 6:12 AM, Jacob Goodson submissionfight...@gmx.comwrote: You need to know something... it's a dialect of LISP, *the only*limitation is you. though it is certainly exerting its limitations on me On Thursday, February 14, 2013 5:08:57 PM UTC-5, AtKaaZ wrote: Thank you! I didn't know you could do .newInstance oh that's a nice trick with eval and list 'new So it's not impossible after all, thanks Aaron! Here's what I got from what you said: = *(defmacro mew [cls restt] `(eval (list 'new ~cls ~@restt)) )* #'runtime.q/mew = *(let [a java.lang.RuntimeException] (mew a) )* #RuntimeException java.lang.RuntimeException it makes sense now, using eval at runtime not at compile time as I was trying and also the newInstance variant: = *(defmacro mew [cls restt] `(.newInstance ~cls ~@restt) )* #'runtime.q/mew = *(let [a java.lang.RuntimeException] (mew a) )* #RuntimeException java.lang.RuntimeException Really, thank you Aaron, On Thu, Feb 14, 2013 at 11:02 PM, Aaron Cohen aa...@assonance.orgwrote: Yes, since this is runtime you should use reflection. (let [a java.lang.RuntimeException] (.newInstance a)) Alternatively, you can use eval: (let [a java.lang.RuntimeException] (eval (list 'new a))) On Thu, Feb 14, 2013 at 4:53 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.fi...@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 clo...@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+u...@**googlegroups.com For more options, visit this group at http://groups.google.com/**group/clojure?hl=enhttp://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+u...@**googlegroups.com. For more options, visit https://groups.google.com/**groups/opt_outhttps://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. -- -- You received this message because you are subscribed to the Google Groups Clojure group. To post to this group, send email to clo...@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+u...@**googlegroups.com For more options, visit this group at http://groups.google.com/**group/clojure?hl=enhttp://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+u...@**googlegroups.com. For more options, visit https://groups.google.com/**groups/opt_outhttps://groups.google.com/groups/opt_out . -- -- You received
new, macros and Can't eval locals
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 = *(let [a java.lang.RuntimeException] (mew a) )* CompilerException java.lang.UnsupportedOperationException: Can't eval locals, compiling:(NO_SOURCE_PATH:2:3) attempt with function: = *(defn mew [cls restt] (new cls) )* CompilerException java.lang.IllegalArgumentException: Unable to resolve classname: cls, compiling:(NO_SOURCE_PATH:2:3) attempt with a macro inside the function: = *(defn mew [cls restt] (mew cls) )* CompilerException java.lang.UnsupportedOperationException: Can't eval locals, compiling:(NO_SOURCE_PATH:2:3) Ok, i give up, how? impossible ? -- 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.
Re: new, macros and Can't eval locals
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.
Re: new, macros and Can't eval locals
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.comwrote: 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. -- -- 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.
Re: new, macros and Can't eval locals
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. -- -- 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.
Re: new, macros and Can't eval locals
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. -- -- 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.
Re: new, macros and Can't eval locals
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.
Re: new, macros and Can't eval locals
Yes, since this is runtime you should use reflection. (let [a java.lang.RuntimeException] (.newInstance a)) Alternatively, you can use eval: (let [a java.lang.RuntimeException] (eval (list 'new a))) On Thu, Feb 14, 2013 at 4:53 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. -- -- 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. -- -- 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.
