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From Armin Müller (JIRA) <j...@apache.org>
Subject [jira] Updated: (ETCH-109) C Binding: Mixins not fully functional
Date Thu, 17 Mar 2011 12:50:29 GMT

     [ https://issues.apache.org/jira/browse/ETCH-109?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Armin Müller updated ETCH-109:
------------------------------

    Attachment: etch-binding-c-mixins.patch

Hi,

attached you find a patch to extend the mixins support for the C binding.

Mixins are currently not fully supported by the C binding
(JIRA-ETCH-109). To fully support mixins the templates to generate the C
sources from an ETCH IDL have been modified. Unfortunately the changes
are not fully backward compatible. Setting the implementation method in
*_impl.c files had to be changed e.g. from

pserver->say_hello = pserver_base->say_hello = say_hello_impl;

to

etchmap_insertxw(pserver_base->virtuals,
helloworld_valufact_get_static()->str_helloworld_say_hello,
say_hello_impl, FALSE);

For upgrading from previous ETCH versions you have to modify the
"virtual method overrides" in existing *_impl.c files.

The C version of the helloworld example has been adapted to the changes
and extended to call a mixin function.

Thanks to Holger Grandy for providing an initial input for the patch.

Authors:
Armin Müller <mueller@itestra.com> (itestra GmbH by order of BMW Group Research and
Technology)
Holger Grandy (BMW Car IT GmbH)


> C Binding: Mixins not fully functional
> --------------------------------------
>
>                 Key: ETCH-109
>                 URL: https://issues.apache.org/jira/browse/ETCH-109
>             Project: Etch
>          Issue Type: Bug
>          Components: c-binding
>    Affects Versions: 1.1
>            Reporter: Holger Grandy
>            Assignee: Holger Grandy
>             Fix For: 1.1.1
>
>         Attachments: etch-binding-c-mixins.patch
>
>
> Mixins may lead to incorrect generated code, valuefactory references wrong mixed-in-valuefactory
fields. Header includes for referenced mixin interface.h files are not correct

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