Yes exactly, i need a constructor which require an instance of the same
class as parameter and i need to create new instances of this class in some
methods (i implement an abstract class that require this).
Le mercredi 12 juin 2013 10:54:15 UTC+2, Kelker Ryan a écrit :
>
> There are two things that I've notice about your code that could probably
> be the cause. In the :constructors section of :gen-class, you're refering
> to test-gen.Tata although it doesn't exist yet. The -pre-init function also
> tries to call a class that doesn't exist yet.
>
> 12.06.2013, 16:39, "Armel Esnault" <armel....@gmail.com <javascript:>>:
>
> Hi
>
> I try to compile a file that generate a class with gen-class that include
> class name
> at different places in the file here is a simplified version of the
> problem:
>
> lein init test-gen
>
> then edit the core.clj with
> ----------------------
> (ns test-gen.core
> (:gen-class
> :name test-gen.Tata
> :init pre-init
> :constructors {
> [Integer] [Integer]
> [test-gen.Tata] [Integer]
> }
> )
> )
>
> (defn -pre-init
> [x]
> (test-gen.Tata. 9)
> 9)
> ----------------------
> add ":aot [test-gen.core]" in project.clj
>
> then compile with lein compile:
>
> Compiling test-gen.core
> Exception in thread "main" java.lang.ClassNotFoundException:
> test-gen.Tata, compiling:(test_gen/core.clj:1)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6462)
> at clojure.lang.Compiler.analyze(Compiler.java:6262)
> at clojure.lang.Compiler.analyze(Compiler.java:6223)
> at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5618)
> at clojure.lang.Compiler$TryExpr$Parser.parse(Compiler.java:2136)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6455)
> at clojure.lang.Compiler.analyze(Compiler.java:6262)
> at clojure.lang.Compiler.analyze(Compiler.java:6223)
> at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5618)
> at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5054)
> at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3674)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6453)
> at clojure.lang.Compiler.analyze(Compiler.java:6262)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6443)
> at clojure.lang.Compiler.analyze(Compiler.java:6262)
> at clojure.lang.Compiler.analyze(Compiler.java:6223)
> at clojure.lang.Compiler$InvokeExpr.parse(Compiler.java:3497)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6457)
> at clojure.lang.Compiler.analyze(Compiler.java:6262)
> at clojure.lang.Compiler.analyze(Compiler.java:6223)
> at clojure.lang.Compiler.compile1(Compiler.java:7030)
> at clojure.lang.Compiler.compile1(Compiler.java:7025)
> at clojure.lang.Compiler.compile(Compiler.java:7097)
> at clojure.lang.RT.compile(RT.java:387)
> at clojure.lang.RT.load(RT.java:427)
> at clojure.lang.RT.load(RT.java:400)
> at clojure.core$load$fn__4890.invoke(core.clj:5415)
> at clojure.core$load.doInvoke(core.clj:5414)
> at clojure.lang.RestFn.invoke(RestFn.java:408)
> at clojure.core$load_one.invoke(core.clj:5227)
> at clojure.core$compile$fn__4895.invoke(core.clj:5426)
> at clojure.core$compile.invoke(core.clj:5425)
> at user$eval7.invoke(NO_SOURCE_FILE:1)
> at clojure.lang.Compiler.eval(Compiler.java:6511)
> at clojure.lang.Compiler.eval(Compiler.java:6501)
> at clojure.lang.Compiler.eval(Compiler.java:6477)
> at clojure.core$eval.invoke(core.clj:2797)
> at clojure.main$eval_opt.invoke(main.clj:297)
> at clojure.main$initialize.invoke(main.clj:316)
> at clojure.main$null_opt.invoke(main.clj:349)
> at clojure.main$main.doInvoke(main.clj:427)
> at clojure.lang.RestFn.invoke(RestFn.java:421)
> at clojure.lang.Var.invoke(Var.java:419)
> at clojure.lang.AFn.applyToHelper(AFn.java:163)
> at clojure.lang.Var.applyTo(Var.java:532)
> at clojure.main.main(main.java:37)
> Caused by: java.lang.ClassNotFoundException: test-gen.Tata
> at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
> at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
> at
> clojure.lang.DynamicClassLoader.findClass(DynamicClassLoader.java:61)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
> at java.lang.Class.forName0(Native Method)
> at java.lang.Class.forName(Class.java:266)
> at clojure.lang.RT.classForName(RT.java:2039)
> at clojure.core$the_class.invoke(genclass.clj:99)
> at clojure.core$map$fn__4087.invoke(core.clj:2432)
> at clojure.lang.LazySeq.sval(LazySeq.java:42)
> at clojure.lang.LazySeq.seq(LazySeq.java:60)
> at clojure.lang.RT.seq(RT.java:473)
> at clojure.lang.RT.countFrom(RT.java:526)
> at clojure.lang.RT.count(RT.java:519)
> at clojure.core$generate_class$to_types__5402.invoke(genclass.clj:131)
> at clojure.core$generate_class.invoke(genclass.clj:293)
> at clojure.core$gen_class.doInvoke(genclass.clj:622)
> at clojure.lang.RestFn.invoke(RestFn.java:1557)
> at clojure.lang.Var.invoke(Var.java:477)
> at clojure.lang.AFn.applyToHelper(AFn.java:277)
> at clojure.lang.Var.applyTo(Var.java:532)
> at clojure.lang.Compiler.macroexpand1(Compiler.java:6366)
> at clojure.lang.Compiler.analyzeSeq(Compiler.java:6441)
> ... 45 more
> Compilation failed: Subprocess failed
>
> The problem seems to be that i am using a class that doesn't exist yet.
> If i comment all lines referring to test-gen.Tata; compile; uncommment
> those lines; compile; again then it works.
> Is there a way a better to compile self referring class ?
>
> Regards
>
>
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