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Posted to notifications@groovy.apache.org by "Graeme Rocher (JIRA)" <ji...@apache.org> on 2015/06/04 11:16:38 UTC
[jira] [Created] (GROOVY-7456) Builders don't work in Traits
Graeme Rocher created GROOVY-7456:
-------------------------------------
Summary: Builders don't work in Traits
Key: GROOVY-7456
URL: https://issues.apache.org/jira/browse/GROOVY-7456
Project: Groovy
Issue Type: Bug
Affects Versions: 2.4.3
Reporter: Graeme Rocher
Traits don't take into account closure delegates, this completely breaks any builder or dynamic behaviour. The following example:
{code}
import groovy.xml.*
trait MyBuilder {
def build2() {
def mkp = new MarkupBuilder()
mkp.foo {
bar()
}
}
}
class Foo implements MyBuilder {
def build1() {
def mkp = new MarkupBuilder()
mkp.foo {
bar()
}
}
}
foo = new Foo()
foo.build1()
foo.build2()
{code}
Fails with:
{code}
roovy.lang.MissingMethodException: No signature of method: Foo.bar() is applicable for argument types: () values: []
Possible solutions: wait(), any(), wait(long), use([Ljava.lang.Object;), any(groovy.lang.Closure), is(java.lang.Object)
at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.unwrap(ScriptBytecodeAdapter.java:56)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:51)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:114)
at MyBuilder$Trait$Helper$_build2_closure1.doCall(ConsoleScript1:8)
at MyBuilder$Trait$Helper$_build2_closure1.doCall(ConsoleScript1)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
at org.codehaus.groovy.runtime.metaclass.ClosureMetaClass.invokeMethod(ClosureMetaClass.java:292)
at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
at groovy.lang.Closure.call(Closure.java:423)
at groovy.lang.Closure.call(Closure.java:417)
at groovy.util.BuilderSupport.doInvokeMethod(BuilderSupport.java:143)
at groovy.util.BuilderSupport.invokeMethod(BuilderSupport.java:64)
at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:45)
at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:110)
at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:122)
at MyBuilder$Trait$Helper.build2(ConsoleScript1:7)
{code}
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