220 lines
7.4 KiB
Mathematica
220 lines
7.4 KiB
Mathematica
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//
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// AvoidCrash.m
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// https://github.com/chenfanfang/AvoidCrash
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//
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// Created by mac on 16/9/21.
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// Copyright © 2016年 chenfanfang. All rights reserved.
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//
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#import "AvoidCrash.h"
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#define key_errorName @"errorName"
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#define key_errorReason @"errorReason"
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#define key_errorPlace @"errorPlace"
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#define key_defaultToDo @"defaultToDo"
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#define key_callStackSymbols @"callStackSymbols"
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#define key_exception @"exception"
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@implementation AvoidCrash
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+ (void)becomeEffective {
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[self effectiveIfDealWithNoneSel:NO];
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}
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+ (void)makeAllEffective {
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[self effectiveIfDealWithNoneSel:YES];
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}
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+ (void)effectiveIfDealWithNoneSel:(BOOL)dealWithNoneSel {
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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[NSObject avoidCrashExchangeMethodIfDealWithNoneSel:dealWithNoneSel];
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[NSArray avoidCrashExchangeMethod];
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[NSMutableArray avoidCrashExchangeMethod];
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[NSDictionary avoidCrashExchangeMethod];
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[NSMutableDictionary avoidCrashExchangeMethod];
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[NSString avoidCrashExchangeMethod];
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[NSMutableString avoidCrashExchangeMethod];
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[NSAttributedString avoidCrashExchangeMethod];
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[NSMutableAttributedString avoidCrashExchangeMethod];
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});
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}
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+ (void)setupNoneSelClassStringsArr:(NSArray<NSString *> *)classStrings {
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[NSObject setupNoneSelClassStringsArr:classStrings];
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}
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/**
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* 初始化一个需要防止”unrecognized selector sent to instance”的崩溃的类名前缀的数组
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*/
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+ (void)setupNoneSelClassStringPrefixsArr:(NSArray<NSString *> *)classStringPrefixs {
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[NSObject setupNoneSelClassStringPrefixsArr:classStringPrefixs];
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}
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/**
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* 类方法的交换
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*
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* @param anClass 哪个类
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* @param method1Sel 方法1
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* @param method2Sel 方法2
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*/
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+ (void)exchangeClassMethod:(Class)anClass method1Sel:(SEL)method1Sel method2Sel:(SEL)method2Sel {
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Method method1 = class_getClassMethod(anClass, method1Sel);
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Method method2 = class_getClassMethod(anClass, method2Sel);
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method_exchangeImplementations(method1, method2);
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}
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/**
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* 对象方法的交换
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*
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* @param anClass 哪个类
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* @param method1Sel 方法1(原本的方法)
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* @param method2Sel 方法2(要替换成的方法)
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*/
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+ (void)exchangeInstanceMethod:(Class)anClass method1Sel:(SEL)method1Sel method2Sel:(SEL)method2Sel {
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Method originalMethod = class_getInstanceMethod(anClass, method1Sel);
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Method swizzledMethod = class_getInstanceMethod(anClass, method2Sel);
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BOOL didAddMethod =
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class_addMethod(anClass,
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method1Sel,
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method_getImplementation(swizzledMethod),
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method_getTypeEncoding(swizzledMethod));
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if (didAddMethod) {
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class_replaceMethod(anClass,
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method2Sel,
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method_getImplementation(originalMethod),
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method_getTypeEncoding(originalMethod));
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}
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else {
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method_exchangeImplementations(originalMethod, swizzledMethod);
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}
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}
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/**
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* 获取堆栈主要崩溃精简化的信息<根据正则表达式匹配出来>
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*
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* @param callStackSymbols 堆栈主要崩溃信息
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*
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* @return 堆栈主要崩溃精简化的信息
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*/
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+ (NSString *)getMainCallStackSymbolMessageWithCallStackSymbols:(NSArray<NSString *> *)callStackSymbols {
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//mainCallStackSymbolMsg的格式为 +[类名 方法名] 或者 -[类名 方法名]
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__block NSString *mainCallStackSymbolMsg = nil;
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//匹配出来的格式为 +[类名 方法名] 或者 -[类名 方法名]
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NSString *regularExpStr = @"[-\\+]\\[.+\\]";
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NSRegularExpression *regularExp = [[NSRegularExpression alloc] initWithPattern:regularExpStr options:NSRegularExpressionCaseInsensitive error:nil];
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for (int index = 2; index < callStackSymbols.count; index++) {
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NSString *callStackSymbol = callStackSymbols[index];
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[regularExp enumerateMatchesInString:callStackSymbol options:NSMatchingReportProgress range:NSMakeRange(0, callStackSymbol.length) usingBlock:^(NSTextCheckingResult * _Nullable result, NSMatchingFlags flags, BOOL * _Nonnull stop) {
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if (result) {
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NSString* tempCallStackSymbolMsg = [callStackSymbol substringWithRange:result.range];
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//get className
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NSString *className = [tempCallStackSymbolMsg componentsSeparatedByString:@" "].firstObject;
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className = [className componentsSeparatedByString:@"["].lastObject;
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NSBundle *bundle = [NSBundle bundleForClass:NSClassFromString(className)];
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//filter category and system class
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if (![className hasSuffix:@")"] && bundle == [NSBundle mainBundle]) {
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mainCallStackSymbolMsg = tempCallStackSymbolMsg;
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}
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*stop = YES;
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}
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}];
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if (mainCallStackSymbolMsg.length) {
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break;
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}
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}
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return mainCallStackSymbolMsg;
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}
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/**
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* 提示崩溃的信息(控制台输出、通知)
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*
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* @param exception 捕获到的异常
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* @param defaultToDo 这个框架里默认的做法
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*/
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+ (void)noteErrorWithException:(NSException *)exception defaultToDo:(NSString *)defaultToDo {
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//堆栈数据
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NSArray *callStackSymbolsArr = [NSThread callStackSymbols];
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//获取在哪个类的哪个方法中实例化的数组 字符串格式 -[类名 方法名] 或者 +[类名 方法名]
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NSString *mainCallStackSymbolMsg = [AvoidCrash getMainCallStackSymbolMessageWithCallStackSymbols:callStackSymbolsArr];
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if (mainCallStackSymbolMsg == nil) {
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mainCallStackSymbolMsg = @"崩溃方法定位失败,请您查看函数调用栈来排查错误原因";
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}
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NSString *errorName = exception.name;
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NSString *errorReason = exception.reason;
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//errorReason 可能为 -[__NSCFConstantString avoidCrashCharacterAtIndex:]: Range or index out of bounds
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//将avoidCrash去掉
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errorReason = [errorReason stringByReplacingOccurrencesOfString:@"avoidCrash" withString:@""];
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NSString *errorPlace = [NSString stringWithFormat:@"Error Place:%@",mainCallStackSymbolMsg];
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NSString *logErrorMessage = [NSString stringWithFormat:@"\n\n%@\n\n%@\n%@\n%@\n%@",AvoidCrashSeparatorWithFlag, errorName, errorReason, errorPlace, defaultToDo];
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logErrorMessage = [NSString stringWithFormat:@"%@\n\n%@\n\n",logErrorMessage,AvoidCrashSeparator];
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AvoidCrashLog(@"%@",logErrorMessage);
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//请忽略下面的赋值，目的只是为了能顺利上传到cocoapods
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logErrorMessage = logErrorMessage;
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NSDictionary *errorInfoDic = @{
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key_errorName : errorName,
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key_errorReason : errorReason,
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key_errorPlace : errorPlace,
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key_defaultToDo : defaultToDo,
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key_exception : exception,
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key_callStackSymbols : callStackSymbolsArr
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};
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//将错误信息放在字典里，用通知的形式发送出去
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dispatch_async(dispatch_get_main_queue(), ^{
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[[NSNotificationCenter defaultCenter] postNotificationName:AvoidCrashNotification object:nil userInfo:errorInfoDic];
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});
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}
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@end
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