1
我一直在教自己Swift,並且只用了幾天時間。我老實說對代碼做的很少,不確定發生了什麼。 。我找不到相同的問題在stackoverflow上的類似的線程。模擬器在xcode中啓動時崩潰,問題出在view.controller.init
這是所有我寫至今在ViewController.swift:
進口的UIKit
class ViewController: UIViewController {
@IBOutlet weak var calcNum: UILabel!
var middleOfTyping = false
@IBAction func numButton(sender: UIButton) {
let digit = sender.currentTitle!
if middleOfTyping {
calcNum.text = calcNum.text! + digit
} else {
calcNum.text = digit
}
}
}
當我嘗試啓動模擬器,模擬器崩潰,並讓我線程1中的代碼 - 0 ViewController.init:
Calculator Take 2`Calculator_Take_2.ViewController.init (Calculator_Take_2.ViewController.Type)(coder : __ObjC.NSCoder) -> Swift.Optional<Calculator_Take_2.ViewController>:
0x10b542b00 <+0>: pushq %rbp
0x10b542b01 <+1>: movq %rsp, %rbp
0x10b542b04 <+4>: subq $0x70, %rsp
0x10b542b08 <+8>: movq %rdi, -0x10(%rbp)
0x10b542b0c <+12>: movq %rsi, -0x8(%rbp)
-> 0x10b542b10 <+16>: movq $0x0, -0x18(%rbp)
0x10b542b18 <+24>: movq -0x18(%rbp), %rax
0x10b542b1c <+28>: movq 0x363d(%rip), %rcx ; direct field offset for Calculator_Take_2.ViewController.calcNum
0x10b542b23 <+35>: movq %rsi, %rdx
0x10b542b26 <+38>: addq %rcx, %rdx
0x10b542b29 <+41>: movq %rdi, -0x30(%rbp)
0x10b542b2d <+45>: movq %rdx, %rdi
0x10b542b30 <+48>: movq %rsi, -0x38(%rbp)
0x10b542b34 <+52>: movq %rax, %rsi
0x10b542b37 <+55>: movq %rax, -0x40(%rbp)
0x10b542b3b <+59>: callq 0x10b5436f8 ; symbol stub for: swift_unknownWeakInit
0x10b542b40 <+64>: movq -0x40(%rbp), %rdi
0x10b542b44 <+68>: callq 0x10b5436e0 ; symbol stub for: swift_unknownRelease
0x10b542b49 <+73>: movq 0x3618(%rip), %rax ; direct field offset for Calculator_Take_2.ViewController.middleOfTyping
0x10b542b50 <+80>: movq -0x38(%rbp), %rcx
0x10b542b54 <+84>: movb $0x0, (%rcx,%rax)
0x10b542b58 <+88>: movq $0x0, -0x8(%rbp)
0x10b542b60 <+96>: movq %rcx, -0x48(%rbp)
0x10b542b64 <+100>: callq 0x10b542620 ; type metadata accessor for Calculator_Take_2.ViewController
0x10b542b69 <+105>: leaq -0x28(%rbp), %rdi
0x10b542b6d <+109>: movq -0x48(%rbp), %rcx
0x10b542b71 <+113>: movq %rcx, -0x28(%rbp)
0x10b542b75 <+117>: movq %rax, -0x20(%rbp)
0x10b542b79 <+121>: movq 0x3448(%rip), %rsi ; "initWithCoder:"
0x10b542b80 <+128>: movq -0x30(%rbp), %rax
0x10b542b84 <+132>: movq %rax, %rdx
0x10b542b87 <+135>: callq 0x10b543692 ; symbol stub for: objc_msgSendSuper2
0x10b542b8c <+140>: cmpq $0x0, %rax
0x10b542b92 <+146>: sete %r8b
0x10b542b96 <+150>: xorb $0x1, %r8b
0x10b542b9a <+154>: testb $0x1, %r8b
0x10b542b9e <+158>: movq %rax, -0x50(%rbp)
0x10b542ba2 <+162>: jne 0x10b542ba6 ; <+166> at ViewController.swift
0x10b542ba4 <+164>: jmp 0x10b542bda ; <+218> at ViewController.swift
0x10b542ba6 <+166>: movq -0x50(%rbp), %rax
0x10b542baa <+170>: movq %rax, -0x8(%rbp)
0x10b542bae <+174>: movq %rax, %rdi
0x10b542bb1 <+177>: movq %rax, -0x58(%rbp)
0x10b542bb5 <+181>: callq 0x10b54369e ; symbol stub for: objc_retain
0x10b542bba <+186>: movq -0x30(%rbp), %rdi
0x10b542bbe <+190>: movq %rax, -0x60(%rbp)
0x10b542bc2 <+194>: callq 0x10b543698 ; symbol stub for: objc_release
0x10b542bc7 <+199>: movq -0x58(%rbp), %rdi
0x10b542bcb <+203>: callq 0x10b543698 ; symbol stub for: objc_release
0x10b542bd0 <+208>: movq -0x58(%rbp), %rax
0x10b542bd4 <+212>: movq %rax, -0x68(%rbp)
0x10b542bd8 <+216>: jmp 0x10b542bf4 ; <+244> at ViewController.swift
0x10b542bda <+218>: movq -0x30(%rbp), %rdi
0x10b542bde <+222>: callq 0x10b543698 ; symbol stub for: objc_release
0x10b542be3 <+227>: xorl %eax, %eax
0x10b542be5 <+229>: movl %eax, %edi
0x10b542be7 <+231>: callq 0x10b543698 ; symbol stub for: objc_release
0x10b542bec <+236>: xorl %eax, %eax
0x10b542bee <+238>: movl %eax, %edi
0x10b542bf0 <+240>: movq %rdi, -0x68(%rbp)
0x10b542bf4 <+244>: movq -0x68(%rbp), %rax
0x10b542bf8 <+248>: addq $0x70, %rsp
0x10b542bfc <+252>: popq %rbp
0x10b542bfd <+253>: retq
xcode中聲稱,斷點處於 「0x10b542b10 < 16>:MOVQ $爲0x0,-0x18(%RBP)」。我不確定這意味着什麼以及如何解決它。
我試圖「撤消」我在Main.storyboard中更改的所有代碼,但即使這樣做時,曾經工作的代碼也不再工作,併產生相同的錯誤,所以我想知道它是否會是xCode本身的一個問題(重啓也無濟於事)。
任何幫助將不勝感激!非常感謝!
相同的按鈕 – GlennRay