No I don't really know swig, either. If you don't have commit access then I could try to test out your patch some more and then commit it.
Matt On Mon, 2014-10-20 at 22:25 -0700, zephyr git wrote: > Hi Matthew, > > > It seems to be some swig > issue: > http://stackoverflow.com/questions/14220151/swig-typemap-with-c-overloaded-function > > > I'm still playing with it.(I'm not familiar with swig) > > > If I rename one version as suggested in the link above, it works: > > > diff --git a/scripts/Python/interface/SBTarget.i > b/scripts/Python/interface/SBTarget.i > index 345929a..fc4e8ea 100644 > --- a/scripts/Python/interface/SBTarget.i > +++ b/scripts/Python/interface/SBTarget.i > @@ -425,6 +425,7 @@ public: > const char **envp, > const char *working_directory); > > > + %rename(Launch_2) Launch; > lldb::SBProcess > Launch (lldb::SBLaunchInfo &launch_info, lldb::SBError& error); > > > > > > > > On Mon, Oct 20, 2014 at 10:18 PM, Matthew Gardiner <m...@csr.com> > wrote: > Hi Zephyr > > I too have seen similar issue with this API. > > I noticed that the file > scripts/Python/python-swigsafecast.swig has no > entry for SBListener, and wondered if this was relevant. > > Matt > > > On Mon, 2014-10-20 at 21:57 -0700, zephyr git wrote: > > Hi, > > > > > > I'm using the SBTarget.Launch() API in Python: > > > > > > process = target.Launch(self.dbg.GetListener(), ['a','b'], > env, stdin, > > 'stdour.txt, 'stderr.txt', os.getcwd(), 0 , True, err) > > > > > > > > I got the following error: > > > > > > ... > > File > > > "/home/media/llvm/lib/python2.7/site-packages/lldb/__init__.py", line > > 7973, in Launch > > return _lldb.SBTarget_Launch(self, *args) > > NotImplementedError: Wrong number or type of arguments for > overloaded > > function 'SBTarget_Launch'. > > Possible C/C++ prototypes are: > > lldb::SBTarget::Launch(lldb::SBListener &,char const > **,char const > > **,char const *,char const *,char const *,char const > > *,uint32_t,bool,lldb::SBError &) > > lldb::SBTarget::Launch(lldb::SBLaunchInfo > &,lldb::SBError &) > > > > > > If I replace the string list ['a','b'] with None, it works. > > > > > > I find that all the tests and samples uses None. > > > > > > It looks the problem stems from overloaded Launch in > SBTarget.i. > > > > > > In LLDBWrapPython.cpp: > > > > > > _wrap_SBTarget_Launch__SWIG_0 () { ...} // wrapper for > > Launch(lldb::SBListener &...) > > > > _wrap_SBTarget_Launch__SWIG_1 () { ...} // wrapper for > Launch > > (lldb::SBLaunchInfo &...); > > > > > > > > SWIGINTERN PyObject *_wrap_SBTarget_Launch(PyObject *self, > PyObject > > *args) { > > > > ... > > if (argc == 3) { > > .... > > } > > if (argc == 11) { > > int _v; > > void *vptr = 0; > > int res = SWIG_ConvertPtr(argv[0], &vptr, > > SWIGTYPE_p_lldb__SBTarget, 0); > > _v = SWIG_CheckState(res); > > if (_v) { > > void *vptr = 0; > > int res = SWIG_ConvertPtr(argv[1], &vptr, > > SWIGTYPE_p_lldb__SBListener, 0); > > _v = SWIG_CheckState(res); > > if (_v) { > > void *vptr = 0; > > int res = SWIG_ConvertPtr(argv[2], &vptr, > SWIGTYPE_p_p_char, > > 0); // ===================== Fails here. unable to cast to > char** > > _v = SWIG_CheckState(res); > > if (_v) { > > .... > > if (_v) { > > return > _wrap_SBTarget_Launch__SWIG_0(self, > > args); ================> real check here > > ... > > } > > > > fail: > > SWIG_SetErrorMsg(PyExc_NotImplementedError,"Wrong number > or type of > > arguments for overloaded function 'SBTarget_Launch'.\n" > > " Possible C/C++ prototypes are:\n" > > " lldb::SBTarget::Launch(lldb::SBListener &,char > const **,char > > const **,char const *,char const *,char const *,char const > > *,uint32_t,bool,lldb::SBError &)\n" > > " lldb::SBTarget::Launch(lldb::SBLaunchInfo > &,lldb::SBError > > &)\n"); > > return 0; > > > > > > > > > > It seems to me the swig code does some unnecessary check > before it > > goes into the real wrapper. > > Any inputs? > > > > > > Thanks, > > Zephyr > > > > > > > To report this email as spam click here. > > > > _______________________________________________ > > lldb-dev mailing list > > lldb-dev@cs.uiuc.edu > > http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev > > > > > Member of the CSR plc group of companies. CSR plc registered > in England and Wales, registered number 4187346, registered > office Churchill House, Cambridge Business Park, Cowley Road, > Cambridge, CB4 0WZ, United Kingdom > More information can be found at www.csr.com. Keep up to date > with CSR on our technical blog, www.csr.com/blog, CSR people > blog, www.csr.com/people, YouTube, > www.youtube.com/user/CSRplc, Facebook, > www.facebook.com/pages/CSR/191038434253534, or follow us on > Twitter at www.twitter.com/CSR_plc. > New for 2014, you can now access the wide range of products > powered by aptX at www.aptx.com. > > _______________________________________________ lldb-dev mailing list lldb-dev@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
