/*

     File: MyApplication.m 

 Abstract: The sample's NSApplication subclass for overriding reportException. 

  Version: 1.1 

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 */

#import "MyApplication.h"

#import "MyExceptionAlertController.h"

@implementation MyApplication

static void CrashMyApplication() {

    *(char *)0x08 = 1;

}

- (NSAttributedString *)_formattedExceptionBacktrace:(NSArray *)backtrace {

    NSMutableAttributedString *result = [[NSMutableAttributedString alloc] init];

    for (__strong NSString *s in backtrace) {

        s = [s stringByAppendingString:@"\n"];

        NSAttributedString *attrS = [[NSAttributedString alloc] initWithString:s];

        [result appendAttributedString:attrS];

    }

    [result addAttribute:NSFontAttributeName value:[NSFont fontWithName:@"Monaco" size:10] range:NSMakeRange(0, result.length)];

    return result;    

}

- (void)reportException:(NSException *)exception {

    // NSApplication simply logs the exception to the console. We want to let the user know

    // when it happens in order to possibly prevent subsequent random crashes that are difficult to debug

    //

    @try {

        @autoreleasepool {

        // Create a string based on the exception

            NSString *exceptionMessage = [NSString stringWithFormat:@"%@\nReason: %@\nUser Info: %@", [exception name], [exception reason], [exception userInfo]];

            // Always log to console for history

            NSLog(@"Exception raised:\n%@", exceptionMessage);

            NSLog(@"Backtrace: %@", [exception callStackSymbols]);

            MyExceptionAlertController *alertController = [[MyExceptionAlertController alloc] init];

            alertController.exceptionMessage = exceptionMessage;

            alertController.exceptionBacktrace = [self _formattedExceptionBacktrace:[exception callStackSymbols]];

            NSInteger result = [alertController runModal];

            if (result == MyModalResultCrash) {

                CrashMyApplication();

            }

        }

    } @catch (NSException *e) {

        // Suppress any exceptions raised in the handling

    }    

}

@end