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- (instancetype)initWithMethodSignature: (OFMethodSignature *)signature
{
self = [super init];
@try {
void *pool = objc_autoreleasePoolPush();
size_t numberOfArguments = [signature numberOfArguments];
size_t numberOfArguments = signature.numberOfArguments;
const char *typeEncoding;
size_t typeSize;
_methodSignature = [signature retain];
_arguments = [[OFMutableArray alloc] init];
for (size_t i = 0; i < numberOfArguments; i++) {
OFMutableData *data;
typeEncoding = [_methodSignature
argumentTypeAtIndex: i];
typeSize = of_sizeof_type_encoding(typeEncoding);
data = [OFMutableData dataWithItemSize: typeSize
capacity: 1];
[data increaseCountBy: 1];
[_arguments addObject: data];
}
typeEncoding = [_methodSignature methodReturnType];
typeEncoding = _methodSignature.methodReturnType;
typeSize = of_sizeof_type_encoding(typeEncoding);
if (typeSize > 0) {
_returnValue = [[OFMutableData alloc]
initWithItemSize: typeSize
capacity: 1];
[_returnValue increaseCountBy: 1];
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}
- (void)setArgument: (const void *)buffer
atIndex: (size_t)idx
{
OFMutableData *data = [_arguments objectAtIndex: idx];
memcpy([data items], buffer, [data itemSize]);
memcpy(data.mutableItems, buffer, data.itemSize);
}
- (void)getArgument: (void *)buffer
atIndex: (size_t)idx
{
OFData *data = [_arguments objectAtIndex: idx];
memcpy(buffer, [data items], [data itemSize]);
memcpy(buffer, data.items, data.itemSize);
}
- (void)setReturnValue: (const void *)buffer
{
memcpy([_returnValue items], buffer, [_returnValue itemSize]);
memcpy(_returnValue.mutableItems, buffer, _returnValue.itemSize);
}
- (void)getReturnValue: (void *)buffer
{
memcpy(buffer, [_returnValue items], [_returnValue itemSize]);
memcpy(buffer, _returnValue.items, _returnValue.itemSize);
}
#ifdef OF_INVOCATION_CAN_INVOKE
- (void)invoke
{
of_invocation_invoke(self);
}
#endif
@end
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