97 lines
2.5 KiB
Objective-C
97 lines
2.5 KiB
Objective-C
/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#import "RCTExceptionsManager.h"
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#import "RCTLog.h"
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#import "RCTRedBox.h"
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#import "RCTRootView.h"
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@implementation RCTExceptionsManager
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{
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__weak id<RCTExceptionsManagerDelegate> _delegate;
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NSUInteger _reloadRetries;
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}
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RCT_EXPORT_MODULE()
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- (instancetype)initWithDelegate:(id<RCTExceptionsManagerDelegate>)delegate
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{
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if ((self = [super init])) {
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_delegate = delegate;
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_maxReloadAttempts = 0;
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}
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return self;
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}
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- (instancetype)init
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{
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return [self initWithDelegate:nil];
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}
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RCT_EXPORT_METHOD(reportUnhandledException:(NSString *)message
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stack:(NSArray *)stack)
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{
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if (_delegate) {
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[_delegate unhandledJSExceptionWithMessage:message stack:stack];
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return;
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}
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#if DEBUG
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[[RCTRedBox sharedInstance] showErrorMessage:message withStack:stack];
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#else
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static NSUInteger reloadRetries = 0;
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const NSUInteger maxMessageLength = 75;
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if (reloadRetries < _maxReloadAttempts) {
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reloadRetries++;
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[[NSNotificationCenter defaultCenter] postNotificationName:RCTReloadNotification
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object:nil];
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} else {
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// Filter out numbers so the same base errors are mapped to the same categories independent of incorrect values.
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NSString *pattern = @"[+-]?\\d+[,.]?\\d*";
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NSString *sanitizedMessage = [message stringByReplacingOccurrencesOfString:pattern withString:@"<num>" options:NSRegularExpressionSearch range:(NSRange){0, message.length}];
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if (sanitizedMessage.length > maxMessageLength) {
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sanitizedMessage = [[sanitizedMessage substringToIndex:maxMessageLength] stringByAppendingString:@"..."];
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}
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NSMutableString *prettyStack = [NSMutableString stringWithString:@"\n"];
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for (NSDictionary *frame in stack) {
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[prettyStack appendFormat:@"%@@%@:%@\n", frame[@"methodName"], frame[@"lineNumber"], frame[@"column"]];
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}
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NSString *name = [@"Unhandled JS Exception: " stringByAppendingString:sanitizedMessage];
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[NSException raise:name format:@"Message: %@, stack: %@", message, prettyStack];
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}
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#endif
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}
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RCT_EXPORT_METHOD(updateExceptionMessage:(NSString *)message
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stack:(NSArray *)stack)
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{
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#if DEBUG
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[[RCTRedBox sharedInstance] updateErrorMessage:message withStack:stack];
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#endif
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}
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@end
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