[
https://issues.apache.org/jira/browse/GROOVY-3015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Eric Milles reassigned GROOVY-3015:
-----------------------------------
Assignee: Eric Milles
> Seems like ClosureMetaClass#invokeMethod does not respect the interceptable
> nature of the owner/delegate
> --------------------------------------------------------------------------------------------------------
>
> Key: GROOVY-3015
> URL: https://issues.apache.org/jira/browse/GROOVY-3015
> Project: Groovy
> Issue Type: Bug
> Components: groovy-runtime
> Affects Versions: 1.5.6
> Environment: Windows XP
> Reporter: Erick Erickson
> Assignee: Eric Milles
> Priority: Major
> Fix For: 4.x
>
>
> Sample program and output. The closure and the method both call 'outer'
> which calls 'inner', but the closure does NOT trace the call to 'outer'
> See comments, including Jochen "blackdrag" Theodorou's at
> http://www.nabble.com/implementing-GroovyInterceptable-behaves-differently-in-closures-and-methods-td19072057.html
> ************program output
> Entering shouldTraceOuterAndInnerClosure
> Entering inner
> Leaving inner
> Leaving shouldTraceOuterAndInnerClosure
> Entering shouldTraceOuterAndInnerMethod
> Entering outer
> Entering inner
> Leaving inner
> Leaving outer
> Leaving shouldTraceOuterAndInnerMethod
> *************end program output
> ****************code starts
> import org.codehaus.groovy.runtime.StringBufferWriter
> import org.codehaus.groovy.runtime.InvokerHelper
> class Traceable implements GroovyInterceptable {
> private static int indent = 1
> Writer writer = new PrintWriter(System.out)
> Object invokeMethod(String name, Object args) {
> def result
> def metaClass = InvokerHelper.getMetaClass(this)
> writer.write("\n" + ' ' * indent + "Entering $name")
> ++indent
> result = metaClass.invokeMethod(this, name, args)
> --indent
> writer.write("\n" + ' ' * indent + "Leaving $name")
> return result
> }
> }
> class Whatever extends Traceable {
> int outer() {
> return inner()
> }
> int inner() {
> return 1
> }
> def shouldTraceOuterAndInnerClosure = {
> return outer()
> }
>
> int shouldTraceOuterAndInnerMethod() {
> return outer()
> }
> }
> def log = new StringBuffer()
> def traceMe = new Whatever(writer : new StringBufferWriter(log))
> traceMe.shouldTraceOuterAndInnerClosure()
> traceMe.shouldTraceOuterAndInnerMethod()
> println log.toString()
> *****************program ends**************
--
This message was sent by Atlassian Jira
(v8.3.4#803005)
