[
https://issues.apache.org/jira/browse/PYLUCENE-16?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andi Vajda reassigned PYLUCENE-16:
----------------------------------
Assignee: Andi Vajda
> can't wrap weka because of attribute and method with the same name
> ------------------------------------------------------------------
>
> Key: PYLUCENE-16
> URL: https://issues.apache.org/jira/browse/PYLUCENE-16
> Project: PyLucene
> Issue Type: Bug
> Environment: Ubuntu Linux 10.04, Python 2.6, Java 6, PyLucene 3.5
> Reporter: Bill Janssen
> Assignee: Andi Vajda
>
> I'm trying to wrap Weka, a popular machine learning system, with PyLucene.
> One of the Weka classes, weka.core.Utils, has a public static variable,
> and a public static method, with the same name (see below). When I
> compile it, JCC has no way to say that, and I get the following:
> In file included from build/_test/__wrap__.cpp:5983:
> build/_test/test.h:36: error: declaration of 'static jdouble
> test::log2(jdouble)'
> build/_test/test.h:32: error: conflicts with previous declaration 'jdouble
> test::log2'
> build/_test/__wrap__.cpp:5990: error: 'jdouble test::log2' is not a static
> member of 'class test'
> build/_test/__wrap__.cpp: In static member function 'static _jclass*
> test::initializeClass()':
> build/_test/__wrap__.cpp:6006: error: assignment of read-only location
> 'test::log2'
> build/_test/__wrap__.cpp:6006: error: cannot convert 'jdouble' to
> 'jdouble(jdouble)' in assignment
> build/_test/__wrap__.cpp: In static member function 'static void
> t_test::initialize(PyObject*)':
> build/_test/__wrap__.cpp:6048: error: call of overloaded
> 'make_descriptor(jdouble (&)(jdouble))' is ambiguous
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:102:
> note: candidates are: PyObject* make_descriptor(_jclass* (*)()) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:105:
> note: PyObject* make_descriptor(PyObject* (*)(_jobject*
> const&)) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:106:
> note: PyObject* make_descriptor(int (*)(PyTypeObject*,
> PyObject*, java::lang::Object*)) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:107:
> note: PyObject* make_descriptor(jboolean) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:108:
> note: PyObject* make_descriptor(jbyte) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:109:
> note: PyObject* make_descriptor(jchar) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:112:
> note: PyObject* make_descriptor(jint) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:113:
> note: PyObject* make_descriptor(jlong) <near match>
> /usr/local/lib/python2.6/dist-packages/JCC-2.11-py2.6-linux-x86_64.egg/jcc/sources/functions.h:114:
> note: PyObject* make_descriptor(jshort) <near match>
> error: command 'gcc' failed with exit status 1
> %
> Here's a simple test case which exhibits the bug. Compile this and put it in
> a jar file, then try to wrap that jar.
> public final class test {
> /** The natural logarithm of 2. */
> public static double log2 = Math.log(2);
> /**
> * Returns the logarithm of a for base 2.
> *
> * @param a a double
> * @return the logarithm for base 2
> */
> public static /*@pure@*/ double log2(double a) {
>
> return Math.log(a) / log2;
> }
> }
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