[Ace-users] Re: [ace-bugs] [tao-bugzilla] [tao-users]: ["tao_idl -GA" can generate incompilable code]

Douglas C. Schmidt schmidt at dre.vanderbilt.edu
Fri Jun 15 15:46:02 CDT 2007


Hi Silas,

   Thanks for using the PRF.

>     ACE VERSION: 5.4.8

Please upgrade to ACE+TAO+CIAO x.5.8 (i.e., ACE 5.5.8, TAO 1.5.8, and
CIAO 0.5.8), which you can download from

http://download.dre.vanderbilt.edu

under the heading: "Latest Beta Kit".

The DOC groups at Washington University, UC Irvine, and Vanderbilt
University only provide "best effort" support for non-sponsors for the
latest release, as described in

http://www.dre.vanderbilt.edu/~schmidt/DOC_ROOT/ACE/docs/ACE-bug-process.html

Thus, if you need more "predictable" help for earlier versions of
ACE+TAO, I recommend that you check out

http://www.dre.vanderbilt.edu/support.html

for a list of companies that will provide you with ACE+TAO commercial
support.

Thanks,

        Doug


>     HOST MACHINE and OPERATING SYSTEM:
>         X86, WINDOWS XP
> 
>     TARGET MACHINE and OPERATING SYSTEM, if different from HOST:
>     COMPILER NAME AND VERSION (AND PATCHLEVEL):
> 
>     THE $ACE_ROOT/ace/config.h FILE [if you use a link to a platform-
>     specific file, simply state which one]:
> 
>     THE $ACE_ROOT/include/makeinclude/platform_macros.GNU FILE [if you
>     use a link to a platform-specific file, simply state which one
>     (unless this isn't used in this case, e.g., with Microsoft Visual
>     C++)]:
> 
>     CONTENTS OF $ACE_ROOT/bin/MakeProjectCreator/config/default.features
>     (used by MPC when you generate your own makefiles):
> 
>     AREA/CLASS/EXAMPLE AFFECTED:
> tao_idl using -GA option
> 
>     DOES THE PROBLEM AFFECT:
>         COMPILATION
> [some code generated by tao_idl -GA does not compile]
> 
>     SYNOPSIS:
> ["tao_idl -GA" can generate incompilable code]
> 
>     DESCRIPTION:
> [typecodes do not appear to be generated correctly, when using tao_idl with 
> the -GA option, for
> user exceptions declared inside of an interface.  here's a walk-through 
> example:
> 
> the following idl snippet:
> 
> module MyTestModule {
>     interface MyTestInterface{
>         exception MyTestException{
>         };
>     };
> };
> 
> 
> ...has the following c++ mapping:
> 
> namespace MyTestModule {
>     class MyTestInterface {
>         //stuff...
>         class MyTestException {
>             //stuff...
>         };
>     };
> }
> 
> 
> NOTE 1)  the generated code refers to MyTestException using correct full 
> scoping:
> 
> MyTestModule::MyTestInterface::MyTestException
> 
> 
> 
> NOTE 2) when the typecode for MyTestException is defined, it is defined 
> outside of the MyTestInterface class definition:
> 
> namespace MyTestModule {
>     static ::CORBA::TypeCode_ptr const _tc_MyTestException;
> }
> 
> 
> 
> NOTE 3) the generated code refers to _tc_MyTestException using the same full 
> scoping
> that is used in note 1):
> 
> MyTestModule::MyTestInterface::_tc_MyTestException
> 
> however, the scoping that was generated in note 2) is:
> 
> MyTestModule::_tc_MyTestException
> 
> ...and so compilation fails.
> 
> 
> 
> NOTE 4)  when the code is generated using tao_idl without the -GA option, 
> _tc_MyTestException is declared
> inside of the MyTestInterface class definition, so the scoping in note 3) is 
> correct and compilation
> succeeds.]
> 
>     REPEAT BY:
> [for the following idl snippet:
> 
> //////////////////////////////////
> module MyTestModule {
>     interface MyTestInterface{
>         exception MyTestException{
>         };
>     };
> };
> //////////////////////////////////
> 
> SUCCESS: generate code using "tao_idl"; generated code compiles 
> successfully.
> 
> FAILURE: generate code using "tao_idl -GA"; generated code does not compile.
> compilation will fail complaining that _tc_MyTestException is not a member 
> of
> MyTestModule::MyTestInterface.]
> 
>     SAMPLE FIX/WORKAROUND:
> [ ]
> 
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