TNS Objective-C exception handler

[jasssonpet]

Looking forward to some comments.

New output includes JS stack trace. Example with NativeScript/NativeScript#1426:

2016-02-03 17:58:13.382 HelloWorldApp[81228:1483108] *** JavaScript call stack:
(
    0   _updateIOSTabBarColorsAndFonts@file:///app/tns_modules/ui/tab-view/tab-view.js:282:30
    1   setFontInternalProperty@file:///app/tns_modules/ui/styling/stylers.js:698:43
    2   applyProperty@file:///app/tns_modules/ui/styling/stylers-common.js:27:28
    3   _applyStyleProperty@file:///app/tns_modules/ui/styling/style.js:715:42
    4   @file:///app/tns_modules/ui/styling/style.js:636:103
    5   forEach@[native code]
    6   _endUpdate@file:///app/tns_modules/ui/styling/style.js:636:40
    7   applySelectors@file:///app/tns_modules/ui/styling/style-scope.js:127:30
    8   checkSelectors@file:///app/tns_modules/ui/page/page-common.js:239:33
    9   localCallback@file:///app/tns_modules/ui/core/view-common.js:56:37
    10  _eachChildView@file:///app/tns_modules/ui/content-view/content-view.js:45:21
    11  _eachChildView@file:///app/tns_modules/ui/page/page-common.js:229:45
    12  eachDescendant@file:///app/tns_modules/ui/core/view-common.js:62:24
    13  _applyCss@file:///app/tns_modules/ui/page/page-common.js:243:28
    14  onLoaded@file:///app/tns_modules/ui/page/page-common.js:31:23
    15  onLoaded@file:///app/tns_modules/ui/page/page.js:131:43
    16  viewWillAppear@file:///app/tns_modules/ui/page/page.js:86:23
    17  UIApplicationMain@[native code]
    18  start@file:///app/tns_modules/application/application.js:200:26
    19  anonymous@file:///app/app.js:9:18
    20  evaluate@[native code]
    21  moduleEvaluation@:1:11
    22  @:8:48
    23  promiseReactionJob@:1:11
)
2016-02-03 17:58:13.383 HelloWorldApp[81228:1483108] *** Terminating app due to uncaught exception 'NSRangeException', reason: '*** -[__NSArrayI objectAtIndex:]: index 5 beyond bounds [0 .. 4]'
*** First throw call stack:
(
    0   CoreFoundation                      0x04f7da84 __exceptionPreprocess + 180
    1   libobjc.A.dylib                     0x04a3ce02 objc_exception_throw + 50
    2   CoreFoundation                      0x04e5606e -[__NSArrayI objectAtIndex:] + 206
    3   CoreFoundation                      0x04ec27f8 -[NSArray objectAtIndexedSubscript:] + 40
    4   HelloWorldApp                       0x001159fe _ZN12NativeScript17ObjCWrapperObject25getOwnPropertySlotByIndexEPN3JSC8JSObjectEPNS1_9ExecStateEjRNS1_12PropertySlotE + 110
    5   HelloWorldApp                       0x00117f4b _ZN3JSC8JSObject15getPropertySlotEPNS_9ExecStateEjRNS_12PropertySlotE + 155
    6   HelloWorldApp                       0x00831e07 _ZNK3JSC7JSValue3getEPNS_9ExecStateEjRNS_12PropertySlotE + 279
    7   HelloWorldApp                       0x0082bca5 _ZNK3JSC7JSValue3getEPNS_9ExecStateEj + 101
    8   HelloWorldApp                       0x008f7920 _ZN3JSC5LLInt8getByValEPNS_9ExecStateENS_7JSValueES3_ + 784
    9   HelloWorldApp                       0x008ef039 llint_slow_path_get_by_val + 233
    10  HelloWorldApp                       0x008fc906 llint_entry + 10460
    11  HelloWorldApp                       0x008feffd llint_entry + 20435
    12  HelloWorldApp                       0x008feffd llint_entry + 20435
    13  HelloWorldApp                       0x008fefa6 llint_entry + 20348
    14  HelloWorldApp                       0x008feffd llint_entry + 20435
    15  HelloWorldApp                       0x008f9e7c vmEntryToJavaScript + 284
    16  HelloWorldApp                       0x0086ec9d _ZN3JSC7JITCode7executeEPNS_2VMEPNS_14ProtoCallFrameE + 269
    17  HelloWorldApp                       0x008296b4 _ZN3JSC11Interpreter7executeERNS_16CallFrameClosureE + 804
    18  HelloWorldApp                       0x00c781aa _ZN3JSC10CachedCall4callEv + 122
    19  HelloWorldApp                       0x00c7730d _ZN3JSCL19mapProtoFuncForEachEPNS_9ExecStateE + 1085
    20  HelloWorldApp                       0x008ff712 llint_entry + 22248
    21  HelloWorldApp                       0x008fefa6 llint_entry + 20348
    22  HelloWorldApp                       0x008fefa6 llint_entry + 20348
    23  HelloWorldApp                       0x008fefa6 llint_entry + 20348
    24  HelloWorldApp                       0x008feffd llint_entry + 20435
    25  HelloWorldApp                       0x008feffd llint_entry + 20435
    26  HelloWorldApp                       0x008feffd llint_entry + 20435
    27  HelloWorldApp                       0x008feffd llint_entry + 20435
    28  HelloWorldApp                       0x008feffd llint_entry + 20435
    29  HelloWorldApp                       0x008feffd llint_entry + 20435
    30  HelloWorldApp                       0x008feffd llint_entry + 20435
    31  HelloWorldApp                       0x008feffd llint_entry + 20435
    32  HelloWorldApp                       0x008f9e7c vmEntryToJavaScript + 284
    33  HelloWorldApp                       0x0086ec9d _ZN3JSC7JITCode7executeEPNS_2VMEPNS_14ProtoCallFrameE + 269
    34  HelloWorldApp                       0x008284a4 _ZN3JSC11Interpreter11executeCallEPNS_9ExecStateEPNS_8JSObjectENS_8CallTypeERKNS_8CallDataENS_7JSValueERKNS_7ArgListE + 1684
    35  HelloWorldApp                       0x00a670fd _ZN3JSC4callEPNS_9ExecStateENS_7JSValueENS_8CallTypeERKNS_8CallDataES2_RKNS_7ArgListE + 253
    36  HelloWorldApp                       0x0010d81f _ZN12NativeScript11FFICallbackINS_18ObjCMethodCallbackEE12callFunctionERKN3JSC7JSValueERKNS3_7ArgListEPv + 335
    37  HelloWorldApp                       0x0010cc4d _ZN12NativeScript18ObjCMethodCallback18ffiClosureCallbackEPvPS1_S1_ + 333
    38  HelloWorldApp                       0x0010df78 _ZN12NativeScript11FFICallbackINS_18ObjCMethodCallbackEE18ffiClosureCallbackEP7ffi_cifPvPS5_S5_ + 88
    39  HelloWorldApp                       0x00dce870 ffi_closure_inner + 736
    40  HelloWorldApp                       0x00dcf1c2 ffi_closure_i386 + 50
    41  UIKit                               0x02d7fbff -[UIViewController __viewWillAppear:] + 147
    42  UIKit                               0x02dc5c86 -[UINavigationController _startTransition:fromViewController:toViewController:] + 1075
    43  UIKit                               0x02dc6ce0 -[UINavigationController _startDeferredTransitionIfNeeded:] + 1038
    44  UIKit                               0x02dc7e3b -[UINavigationController __viewWillLayoutSubviews] + 68
    45  UIKit                               0x02fa3193 -[UILayoutContainerView layoutSubviews] + 252
    46  UIKit                               0x02c78eb7 -[UIView(CALayerDelegate) layoutSublayersOfLayer:] + 813
    47  libobjc.A.dylib                     0x04a51059 -[NSObject performSelector:withObject:] + 70
    48  QuartzCore                          0x07da580a -[CALayer layoutSublayers] + 144
    49  QuartzCore                          0x07d994ee _ZN2CA5Layer16layout_if_neededEPNS_11TransactionE + 388
    50  QuartzCore                          0x07d99352 _ZN2CA5Layer28layout_and_display_if_neededEPNS_11TransactionE + 26
    51  QuartzCore                          0x07d8be8b _ZN2CA7Context18commit_transactionEPNS_11TransactionE + 317
    52  QuartzCore                          0x07dbfe03 _ZN2CA11Transaction6commitEv + 561
    53  QuartzCore                          0x07dc06c4 _ZN2CA11Transaction17observer_callbackEP19__CFRunLoopObservermPv + 92
    54  CoreFoundation                      0x04e9761e __CFRUNLOOP_IS_CALLING_OUT_TO_AN_OBSERVER_CALLBACK_FUNCTION__ + 30
    55  CoreFoundation                      0x04e9757e __CFRunLoopDoObservers + 398
    56  CoreFoundation                      0x04e8c728 CFRunLoopRunSpecific + 504
    57  CoreFoundation                      0x04e8c51b CFRunLoopRunInMode + 123
    58  UIKit                               0x02ba9854 -[UIApplication _run] + 540
    59  UIKit                               0x02baf1eb UIApplicationMain + 160
    60  HelloWorldApp                       0x00dcf088 ffi_call_i386 + 24
)

Closes #434.

[ivanbuhov]

👍