47 lines
1.4 KiB
Objective-C
47 lines
1.4 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "SCKExceptionWrapper.h"
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#import <SessionProtocolKit/OWSAsserts.h>
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NS_ASSUME_NONNULL_BEGIN
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NSErrorDomain const SCKExceptionWrapperErrorDomain = @"SignalCoreKit.SCKExceptionWrapper";
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NSErrorUserInfoKey const SCKExceptionWrapperUnderlyingExceptionKey = @"SCKExceptionWrapperUnderlyingException";
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NSError *SCKExceptionWrapperErrorMake(NSException *exception)
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{
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return [NSError errorWithDomain:SCKExceptionWrapperErrorDomain
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code:SCKExceptionWrapperErrorThrown
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userInfo:@{ SCKExceptionWrapperUnderlyingExceptionKey : exception }];
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}
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@implementation SCKExceptionWrapper
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+ (BOOL)tryBlock:(void (^)(void))block error:(NSError **)outError
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{
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OWSAssertDebug(outError);
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@try {
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block();
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return YES;
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} @catch (NSException *exception) {
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*outError = SCKExceptionWrapperErrorMake(exception);
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return NO;
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}
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}
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@end
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void SCKRaiseIfExceptionWrapperError(NSError *_Nullable error)
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{
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if (error && [error.domain isEqualToString:SCKExceptionWrapperErrorDomain]
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&& error.code == SCKExceptionWrapperErrorThrown) {
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NSException *_Nullable exception = error.userInfo[SCKExceptionWrapperUnderlyingExceptionKey];
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OWSCAssert(exception);
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@throw exception;
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}
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}
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NS_ASSUME_NONNULL_END
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