[cfe-dev] Missing Availability Information for Enums

[Sebastian Hagedorn]

Hi Doug

have you found time to look into this?

Thanks
Hagi


On 19/03/2013, at 2:54 , Jordan Rose <jordan_rose at apple.com> wrote:

> 
> On Mar 18, 2013, at 18:52 , Richard Smith <richard at metafoo.co.uk> wrote:
> 
>> 
>> When built in C++11 mode, we get this, which looks much more reasonable:
>> 
>> TranslationUnitDecl 0x5e9b0d0 <<invalid sloc>>
>> |-TypedefDecl 0x5e9b610 <<invalid sloc>> __int128_t '__int128'
>> |-TypedefDecl 0x5e9b670 <<invalid sloc>> __uint128_t 'unsigned __int128'
>> |-TypedefDecl 0x5e9ba30 <<invalid sloc>> __builtin_va_list '__va_list_tag [1]'
>> |-TypedefDecl 0x5e9ba90 <tmp.c:1:1, col:14> NSInteger 'long'
>> |-EnumDecl 0x5e9bb10 <line:2:9, col:14> PKPassKitErrorCode 'NSInteger':'long'
>> |-TypedefDecl 0x5e9bc10 <col:1, col:45> PKPassKitErrorCode 'enum PKPassKitErrorCode':'enum PKPassKitErrorCode'
>> `-EnumDecl 0x5e9bca0 prev 0x5e9bb10 <col:65, line:7:1> PKPassKitErrorCode 'NSInteger':'long'
>>   |-AvailabilityAttr 0x5ecea50 <col:18, col:49> ios 6.0 0 0 ""
>>   |-EnumConstantDecl 0x5e9bd80 <line:3:5, col:23> PKUnknownError 'enum PKPassKitErrorCode'
>>   | `-ImplicitCastExpr 0x5e9bd68 <col:22, col:23> 'NSInteger':'long' <IntegralCast>
>>   |   `-UnaryOperator 0x5e9bd48 <col:22, col:23> 'int' prefix '-'
>>   |     `-IntegerLiteral 0x5e9bd28 <col:23> 'int' 1
>>   |-EnumConstantDecl 0x5ece960 <line:4:5, col:26> PKInvalidDataError 'enum PKPassKitErrorCode'
>>   | `-ImplicitCastExpr 0x5ece940 <col:26> 'NSInteger':'long' <IntegralCast>
>>   |   `-IntegerLiteral 0x5e9bdd0 <col:26> 'int' 1
>>   |-EnumConstantDecl 0x5ece9b0 <line:5:5> PKUnsupportedVersionError 'enum PKPassKitErrorCode'
>>   `-EnumConstantDecl 0x5ecea00 <line:6:5> PKInvalidSignature 'enum PKPassKitErrorCode'
> 
> Hm, may be an implementation quirk in Objective-C's version of forward-declared enums, then. Not sure if accidental or by design. Doug, do you happen to know offhand?
> 
> Jordan

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