Wow, this is really old code!
On 18/06/2019 12:59, Andreas Höschler wrote:
*SRProxy.m:419:29: **warning: **instance method
'-descriptionForInstanceMethod:' not found (return type defaults to
'id') [-Wobjc-method-access]*
types = [_protocol
descriptionForInstanceMethod:aSelector]->types;
* ^~~~~~~~~~~~~~~~~~~~~~~~~~~~*
*/usr/include/objc/Protocol.h:45:12: note: *receiver is instance of
class declared here
@interface Protocol : NSObject
* ^*
*SRProxy.m:419:70: **error: **no member named 'types' in 'struct
objc_object'*
*
*
With the 'Modern' Objective-C ABI (circa 2006) on Apple platforms, the
only option on 64-bit and the default for a very long time on 32-bit,
Protocol no longer has any methods exposed on it. This means:
- descriptionForInstanceMethod: is gone. Don't use it, use the runtime
functions instead. There is no point paying the overhead of an
Objective-C message send for a function where all of the types are known
at compile time.
- The compiler assumes that the nonexistent method
-descriptionForInstanceMethod: returns id, which is a typedef for struct
objc_object, which has no fields other than isa (probably not even isa,
because direct access to isa is also deprecated).
David
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