95 строки
2.5 KiB
Plaintext
95 строки
2.5 KiB
Plaintext
/**
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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 "RCTCxxUtils.h"
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#import <React/RCTFollyConvert.h>
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#import <React/RCTUtils.h>
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#include <jschelpers/Value.h>
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using namespace facebook::react;
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using namespace react::CxxUtils;
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id RCTConvertFollyDynamic(const folly::dynamic &dyn) {
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return convertFollyDynamicToId(dyn);
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}
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@implementation RCTConvert (folly)
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+ (folly::dynamic)folly_dynamic:(id)json;
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{
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if (json == nil || json == (id)kCFNull) {
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return nullptr;
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} else {
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folly::dynamic dyn = convertIdToFollyDynamic(json);
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if (dyn == nil) {
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RCTAssert(false, @"RCTConvert input json is of an impossible type");
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}
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return dyn;
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}
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}
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@end
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namespace facebook {
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namespace react {
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static NSError *errorWithException(const std::exception& e)
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{
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NSString *msg = @(e.what());
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NSMutableDictionary *errorInfo = [NSMutableDictionary dictionary];
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const JSException *jsException = dynamic_cast<const JSException*>(&e);
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if (jsException) {
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errorInfo[RCTJSRawStackTraceKey] = @(jsException->getStack().c_str());
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msg = [@"Unhandled JS Exception: " stringByAppendingString:msg];
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}
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NSError *nestedError;
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try {
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std::rethrow_if_nested(e);
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} catch(const std::exception& e) {
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nestedError = errorWithException(e);
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} catch(...) {}
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if (nestedError) {
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msg = [NSString stringWithFormat:@"%@\n\n%@", msg, [nestedError localizedDescription]];
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}
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errorInfo[NSLocalizedDescriptionKey] = msg;
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return [NSError errorWithDomain:RCTErrorDomain code:1 userInfo:errorInfo];
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}
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NSError *tryAndReturnError(const std::function<void()>& func) {
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try {
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@try {
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func();
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return nil;
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}
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@catch (NSException *exception) {
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NSString *message =
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[NSString stringWithFormat:@"Exception '%@' was thrown from JS thread", exception];
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return RCTErrorWithMessage(message);
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}
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@catch (id exception) {
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// This will catch any other ObjC exception, but no C++ exceptions
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return RCTErrorWithMessage(@"non-std ObjC Exception");
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}
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} catch (const std::exception &ex) {
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return errorWithException(ex);
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} catch (...) {
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// On a 64-bit platform, this would catch ObjC exceptions, too, but not on
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// 32-bit platforms, so we catch those with id exceptions above.
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return RCTErrorWithMessage(@"non-std C++ exception");
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}
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}
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} }
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