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https://issues.apache.org/jira/browse/THRIFT-750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Wilson-Brown updated THRIFT-750:
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Attachment: cpp_virtual_thrift020.patch
Patch for this issue against thrift-0.2.0.
I can provide a patch for HEAD if needed, but it may take me a while
> C++ Compiler Virtual Function Option
> ------------------------------------
>
> Key: THRIFT-750
> URL: https://issues.apache.org/jira/browse/THRIFT-750
> Project: Thrift
> Issue Type: New Feature
> Components: Compiler (C++)
> Affects Versions: 0.2, 0.3
> Environment: Cygwin 1.7.1 on Windows XP SP3, Thrift 0.2.0 & r760184 &
> Trunk
> Reporter: Tim Wilson-Brown
> Priority: Minor
> Attachments: cpp_virtual_thrift020.patch, t_cpp_generator.cc
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The C++ Compiler currelty emits most functions in the *Client class as
> non-virtual.
> This makes it difficult to subclass the generated *Client class and override
> its functions.
> In particular, if a subclass overrides the *_send and *_recv functions, it
> must also override the function itself.
> Otherwise, the *Client version of the function calls the *Client versions of
> *_send and *_recv.
> A workaround is to inherit from the interface class *If, which has virtual
> functions,
> and use them to call *Client class member functions.
> But this can be cumbersome in some situations, and still requires additional
> functions to be overridden.
> I propose to add a virtual option to the C++ compiler that emits function
> declarations as virtual.
> I have attached a patched version of t_cpp_generator.cc from Thrift 0.2.0 - I
> can work out how to turn it into a patch file if needed.
> Is this worth merging into the trunk?
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