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emergency fixup for broken build
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@30907 72102866-910b-0410-8b05-ffd578937521
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3 changed files with 62 additions and 54 deletions
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@ -1,3 +1,10 @@
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2010-07-01 Richard Frith-Macdonald <rfm@gnu.org>
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* Source/CXXException.m: Fixup to get base to compile again.
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I think this API needs improving ... this should be an NSException
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subclass or category, and catching it should be transparent to the
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developer.
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2010-06-29 Richard Frith-Macdonald <rfm@gnu.org>
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* Source/NSKeyedUnarchiver.m: Workaround for buggy inttypes.h on older
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@ -14,29 +14,29 @@ struct _Unwind_Exception;
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*/
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@interface CXXException : NSObject
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{
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/** Exception object, as defined by the CodeSourcery exception ABI. */
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struct _Unwind_Exception *ex;
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/** Exception object, as defined by the CodeSourcery exception ABI. */
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struct _Unwind_Exception *ex;
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}
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/**
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* Constructor called by the runtime.
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*/
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+ (id)exceptionWithForeignException: (struct _Unwind_Exception*)ex;
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+ (id) exceptionWithForeignException: (struct _Unwind_Exception*)ex;
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/**
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* Returns a pointer to the thrown value. When a value is thrown in C++, it is
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* copied into the exception structure. The real type of the pointee is the
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* type of the object that was thrown.
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*/
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- (void*)thrownValue;
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- (void*) thrownValue;
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/**
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* Returns a pointer to a std::type_info (C++) object defining the type of the
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* value pointed to by the return from -thrownValue. You may compare this with
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* the result of the typeinfo() operator in Objective-C++ to determine the type
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* of the object.
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*/
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- (void*)cxx_type_info;
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- (void*) cxx_type_info;
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/**
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* Rethrows the exception. Sending messages to this object after is has been
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* rethrown has undefined behaviour.
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*/
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- (void)rethrow;
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- (void) rethrow;
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@end
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@ -1,4 +1,5 @@
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#if defined(__has_include) && __has_include(<objc/hooks.h>)
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#if defined(__has_include)
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#if __has_include(<objc/hooks.h>)
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#import "Foundation/NSObject.h"
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#import "Additions/GNUstepBase/CXXException.h"
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#include <objc/runtime.h>
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@ -9,7 +10,7 @@
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typedef enum
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{
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_URC_FOREIGN_EXCEPTION_CAUGHT = 1
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_URC_FOREIGN_EXCEPTION_CAUGHT = 1
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} _Unwind_Reason_Code;
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struct _Unwind_Exception;
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@ -18,10 +19,10 @@ typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code,
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struct _Unwind_Exception *);
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struct _Unwind_Exception
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{
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uint64_t exception_class;
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_Unwind_Exception_Cleanup_Fn exception_cleanup;
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unsigned long private_1;
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unsigned long private_2;
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uint64_t exception_class;
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_Unwind_Exception_Cleanup_Fn exception_cleanup;
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unsigned long private_1;
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unsigned long private_2;
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} __attribute__((__aligned__));
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_Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *);
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@ -29,20 +30,19 @@ _Unwind_Reason_Code _Unwind_Resume_or_Rethrow(struct _Unwind_Exception *);
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struct __cxa_exception
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{
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void* exceptionType;
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void (*exceptionDestructor) (void *);
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void (*unexpectedHandler) (void *);
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void (*terminateHandler) (void *);
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void * nextException;
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void *exceptionType;
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void (*exceptionDestructor) (void *);
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void (*unexpectedHandler) (void *);
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void (*terminateHandler) (void *);
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void *nextException;
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int handlerCount;
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int handlerSwitchValue;
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const char * actionRecord;
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const char * languageSpecificData;
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void * catchTemp;
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void * adjustedPtr;
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struct _Unwind_Exception unwindHeader;
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int handlerCount;
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int handlerSwitchValue;
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const char * actionRecord;
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const char * languageSpecificData;
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void * catchTemp;
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void * adjustedPtr;
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struct _Unwind_Exception unwindHeader;
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};
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@implementation CXXException
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@ -50,48 +50,49 @@ static Class CXXExceptionClass;
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// TODO: Add an API for registering other classes for other exception types
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static Class boxClass(int64_t foo)
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{
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if (foo == *(int64_t*)"GNUCC++\0")
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{
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return CXXExceptionClass;
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}
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return Nil;
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if (foo == *(int64_t*)"GNUCC++\0")
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{
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return CXXExceptionClass;
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}
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return Nil;
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}
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+ (void)load
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+ (void) load
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{
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CXXExceptionClass = self;
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_objc_class_for_boxing_foreign_exception = boxClass;
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CXXExceptionClass = self;
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_objc_class_for_boxing_foreign_exception = boxClass;
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}
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+ (id)exceptionWithForeignException: (struct _Unwind_Exception*)ex
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+ (id) exceptionWithForeignException: (struct _Unwind_Exception*)ex
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{
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CXXException *box = [self new];
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box->ex = ex;
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return [box autorelease];
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CXXException *box = [self new];
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box->ex = ex;
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return [box autorelease];
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}
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- (void*)thrownValue
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- (void*) thrownValue
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{
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return ex+1;
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return ex + 1;
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}
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- (void*)cxx_type_info
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- (void*) cxx_type_info
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{
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char *ptr = (char*)ex;
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ptr -= __builtin_offsetof(struct __cxa_exception, unwindHeader);
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return ((struct __cxa_exception*)ptr)->exceptionType;
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char *ptr = (char*)ex;
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ptr -= __builtin_offsetof(struct __cxa_exception, unwindHeader);
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return ((struct __cxa_exception*)ptr)->exceptionType;
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}
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- (void)rethrow
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- (void) rethrow
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{
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struct _Unwind_Exception *re = ex;
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// We aren't allowed to hold onto the exception if it's been rethrown.
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ex = 0;
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_Unwind_Resume_or_Rethrow(re);
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struct _Unwind_Exception *re = ex;
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// We aren't allowed to hold onto the exception if it's been rethrown.
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ex = 0;
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_Unwind_Resume_or_Rethrow(re);
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}
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- (void)dealloc
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- (void) dealloc
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{
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if (0 != ex && 0 != ex->exception_cleanup)
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{
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ex->exception_cleanup(_URC_FOREIGN_EXCEPTION_CAUGHT, ex);
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}
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[super dealloc];
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if (0 != ex && 0 != ex->exception_cleanup)
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{
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ex->exception_cleanup(_URC_FOREIGN_EXCEPTION_CAUGHT, ex);
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}
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[super dealloc];
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}
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@end
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#endif
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#endif
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