标签: exc-bad-instruction

所以我在使用Switch语句时遇到问题,当我使用它时,我会在控制台中得到这个"致命错误:范围结束索引没有有效的继承者".

var ArrayBytes : [UInt8] = [48 ,48 ,48]
 var SuperArrayMensaje : Array = [[UInt8]]()
var num7BM : Array = [UInt8]()

    for var Cont27 = 0; Cont27 < 800; Cont27++ {

        ArrayBytesReservaSrt = String(Mensaje7BM[Cont27])

        switch Mensaje7BM[Cont27] {

        case 0...9 :
                     num7BM = Array(ArrayBytesReservaSrt.utf8)
                     ArrayBytes.insert(num7BM[0], atIndex: 2)

        case 10...99 :
                     num7BM = Array(ArrayBytesReservaSrt.utf8)
                     ArrayBytes.insert(num7BM[0], atIndex: 1)
                     ArrayBytes.insert(num7BM[1], atIndex: 2)

        case 100...255 : // --> THE problem is here "EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)"
                     num7BM = Array(ArrayBytesReservaSrt.utf8) 
                     ArrayBytes.insert(num7BM[0], atIndex: 0)
                     ArrayBytes.insert(num7BM[1], atIndex: 1)
                     ArrayBytes.insert(num7BM[2], …

我试图从数组中拉出一个随机项.当我运行时,在拉随机项并给我这个错误"EXC_BAD_INSTRUCTION"之间大约50/50.知道发生了什么事吗？

现在我的代码看起来像这样:在解决方案之前

   func randomCard() -> Card {
    let randomIndex = Int(arc4random()) % cardArray.count
    let randomCard = cardArray[randomIndex]

    cardArray.removeAtIndex(randomIndex)

    return randomCard
}

后

   func randomCard() -> Card {

    let randomIndex = arc4random_uniform(UInt32(cardArray.count))
    let randomCard = cardArray[randomIndex.hashValue]

    cardArray.removeAtIndex(randomIndex.hashValue)

    return randomCard
}

这就是我现在正在使用的,似乎正在工作.谢谢大家的帮助.

我一直在使用这个函数来生成时间戳.我在Stack Overflow上找到它.

@objc public class var timestamp: String {
    return "\(Int(NSDate().timeIntervalSince1970 * 1000))"
}

它一直没有问题,但我得到了一个EXC_BAD_INSTRUCTION:

fatal error: floating point value cannot be converted to Int because it is greater than Int.max

随着这个应用程序的开发即将完成,它让我感到紧张,突然看到它导致EXC_BAD_INSTRUCTION.这是在模拟器中运行,但我有一个有效的日期和时间设置.

任何想法或建议或非常感谢.以下是回溯.

(lldb) bt
* thread #1: tid = 0x15c4d, 0x04a30393 libswiftCore.dylib`function signature specialization <Arg[0] = Exploded, Arg[1] = Exploded, Arg[2] = Dead, Arg[3] = Dead> of Swift._fatalErrorMessage (Swift.StaticString, Swift.StaticString, Swift.StaticString, Swift.UInt) -> () + 67, queue = 'com.apple.main-thread', stop reason = EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0)
frame #0: 0x04a30393 libswiftCore.dylib …

我尝试编写游戏代码(我在Swift中使用本教程https://www.youtube.com/watch?v=LkYpoRj-7hA im new).那是我的代码到目前为止:

import UIKit    
class ViewController: UIViewController {

    //Image View
    @IBOutlet var ticTac_A01: UIImageView = nil
    @IBOutlet var ticTac_A02: UIImageView = nil
    @IBOutlet var ticTac_A03: UIImageView = nil        
    @IBOutlet var ticTac_B01: UIImageView = nil
    @IBOutlet var ticTac_B02: UIImageView = nil
    @IBOutlet var ticTac_B03: UIImageView = nil        
    @IBOutlet var ticTac_C01: UIImageView = nil
    @IBOutlet var ticTac_C02: UIImageView = nil
    @IBOutlet var ticTac_C03: UIImageView = nil

    //Buttons
    @IBOutlet var ticTacBtn_A01: UIButton = nil
    @IBOutlet var ticTacBtn_A02: UIButton = nil
    @IBOutlet …

我是Swift和iOS开发的新手,但我遇到了一个错误,导致我的应用程序在以下设备上运行时崩溃:

iPhone 4S iPhone 5 iPad 2 iPad Retina

这是被标记的代码:

// bin2dec - converts binary string into decimal string
func bin2dec(input: String) -> String {
    var counter = countElements(input)
    var digit: Character
    var power = 1
    var result = 0

    while counter > 0 {
        digit = input[advance(input.startIndex, counter-1)]

        switch digit {
        case "0":
            result += 0
        case "1":
            result += 1 * power
        default:
            power = power / 2
            break
        }
        counter--
        power *= 2
    }
    return "\(result)"
} …

每当我运行我的项目时,我都会收到错误的指令错误...

ground.physicsBody!.dynamic = false

以下是我正在使用此代码段运行的完整代码.我不确定发生了什么,我没有很多关于选项的经验.

码:

var ground = SKSpriteNode()
ground.position = CGPointMake(0, 0)
ground.physicsBody = SKPhysicsBody(rectangleOfSize: CGSizeMake(self.frame.size.width, 30))
let groundTexture = SKTexture(imageNamed: "Red.png")
ground = SKSpriteNode(texture: groundTexture)
ground.physicsBody!.dynamic = false
ground.physicsBody?.allowsRotation = false

ground.physicsBody!.categoryBitMask = ColliderType.Object.rawValue
ground.physicsBody!.contactTestBitMask = ColliderType.Object.rawValue
ground.physicsBody!.collisionBitMask = ColliderType.Object.rawValue
self.addChild(ground)

我有一个Printable对象数组,但我需要它们Equatable和AnyObject兼容.

private(set) var items: [Printable] = []

class func withItems<T: AnyObject where T: Equatable, T: Printable>(items: [T], selectedItem: T? = nil) {
   ... instance init ...
   instance.items = items
}

它导致EXC_BAD_INSTRUCTION:

致命错误:无法从Objective-C桥接数组

这是对这个问题的一次尝试:

• 在Swift中使用Equatable和Printable作为参数的通用函数和属性

为什么？