Re: Oracle and Objective C++
Re: Oracle and Objective C++
- Subject: Re: Oracle and Objective C++
- From: Jean-Daniel Dupas <email@hidden>
- Date: Fri, 5 Sep 2008 18:00:55 +0200
Le 5 sept. 08 à 17:13, Bradley Randy a écrit :
But I get the following errors when I try to compile it.
Line Location occiAQ.h:280: error:
'oracle::occi::aq::Subscription::Protocol' has a previous
declaration here
Line Location occiAQ.h:280: error:
'oracle::occi::aq::Subscription::Protocol' has a previous
declaration here
Line Location occiAQ.h:320: error:
'oracle::occi::aq::Subscription::Protocol' referred to as 'struct'
Line Location occiAQ.h:321: error:
'oracle::occi::aq::Subscription::Protocol' referred to as 'struct'
Can anybody tell me if this is because “Protocol” is a reserved word
in
Objective C?
If so, can anyone think of a work=-around? The only idea I have is
to call
the OCCI code as a process with NSTask and pipe queries and results
results
back and forth.
Thanks all.
Protocol is not a reserved word, it is a type defined in <objc/
runtime.h>
#ifdef __OBJC__
@class Protocol;
#else
typedef struct objc_object Protocol;
#endif
A workaround may be to use a macro to hide the objc variable (untested).
#define Protocol ObjCProtocol
#import <Cocoa/Cocoa.h>
#undef Protocol
An other workaround is to wrap your oracle calls into a .cpp file that
includes "occiAQ.h", and then call thoses functions from you objcpp
file.
------- mywrapper.h --------
extern
int myOracleFunction();
------- mywrapper.c ------
#include "mywrapper.h"
#include "occiAQ.h"
int myOracleFunction() {
// perform oracle specific code
}
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