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Re: C++ and Java CNI: Check Java references

To: jason_merrill at redhat dot com
Subject: Re: C++ and Java CNI: Check Java references
From: Mark Mitchell <mark at codesourcery dot com>
Date: Wed, 25 Apr 2001 10:12:46 -0700
Cc: tromey at redhat dot com, rth at redhat dot com, aph at cambridge dot redhat dot com, per at bothner dot com, java at gcc dot gnu dot org, gcc-patches at gcc dot gnu dot org
Organization: CodeSourcery, LLC
References: <8766fuyllr.fsf@creche.redhat.com><20010424153521Y.mitchell@codesourcery.com><m3r8yhnl48.fsf@prospero.cambridge.redhat.com>

>>>>> "Jason" == Jason Merrill <jason_merrill@redhat.com> writes:

    Jason> Just to be pedantic, it's impossible to eliminate the
    Jason> abstraction penalty when the ABI is different for passing a
    Jason> pointer v. a smart pointer.  But if you can inline most of
    Jason> the uses it shouldn't be a big deal.

Absolutely correct.

I would expect that in most cases Java smart pointers wouldn't have to
be passed across function boundaries: unlike auto_ptr there's no need
to do anything when things are copied, or anything.

--
Mark Mitchell                   mark@codesourcery.com
CodeSourcery, LLC               http://www.codesourcery.com

References:
- Re: C++ and Java CNI: Check Java references
  - From: Tom Tromey
- Re: C++ and Java CNI: Check Java references
  - From: Mark Mitchell
- Re: C++ and Java CNI: Check Java references
  - From: Jason Merrill

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