//
//  NSObject+NGAAdditions.m
//  P4Menu
//
//  Created by Michael Bishop on 10/11/11.
//  Copyright 2011 Numerical Garden LLC. All rights reserved.
//

#import "NSObject+NGAAdditions.h"

@implementation NSObject (NGAAdditions)

-(void)willChangeValuesForKeysInSet:(NSSet*)set
{
    for (NSString * key in set)
        [self willChangeValueForKey:key];
}

-(void)didChangeValuesForKeysInSet:(NSSet*)set
{
    for (NSString * key in set)
        [self didChangeValueForKey:key];
}

-(void)notifyChangesToKeyValues:(NSSet*)keys occuringInBlock:(void(^)(id unretainedSelf))block
{
    [self willChangeValuesForKeysInSet:keys];
    block(self);
    [self didChangeValuesForKeysInSet:keys];
}

- (BOOL)NGA_allowsCallStackSymbols
{
    return YES;
}

- (NSArray*)NGA_callStackSymbols
{
    if (![self NGA_allowsCallStackSymbols])
        return nil;

    @try {
        [NSException raise:@"NGAStackTraceException" format:@""];
    }
    @catch (NSException *exception) {
        return [exception callStackSymbols];
    }
    return nil;
}

@end