mirror of
https://github.com/SoPat712/YTLitePlus.git
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108 lines
3.4 KiB
Objective-C
108 lines
3.4 KiB
Objective-C
//
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// FLEXRuntimeSafety.m
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// FLEX
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//
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// Created by Tanner on 3/25/17.
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//
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#import "FLEXRuntimeSafety.h"
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NSUInteger const kFLEXKnownUnsafeClassCount = 19;
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Class * _UnsafeClasses = NULL;
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CFSetRef FLEXKnownUnsafeClasses = nil;
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CFSetRef FLEXKnownUnsafeIvars = nil;
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#define FLEXClassPointerOrCFNull(name) \
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(NSClassFromString(name) ?: (__bridge id)kCFNull)
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#define FLEXIvarOrCFNull(cls, name) \
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(class_getInstanceVariable([cls class], name) ?: (void *)kCFNull)
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__attribute__((constructor))
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static void FLEXRuntimeSafteyInit() {
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FLEXKnownUnsafeClasses = CFSetCreate(
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kCFAllocatorDefault,
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(const void **)(uintptr_t)FLEXKnownUnsafeClassList(),
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kFLEXKnownUnsafeClassCount,
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nil
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);
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Ivar unsafeIvars[] = {
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FLEXIvarOrCFNull(NSURL, "_urlString"),
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FLEXIvarOrCFNull(NSURL, "_baseURL"),
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};
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FLEXKnownUnsafeIvars = CFSetCreate(
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kCFAllocatorDefault,
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(const void **)unsafeIvars,
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sizeof(unsafeIvars),
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nil
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);
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}
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const Class * FLEXKnownUnsafeClassList() {
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if (!_UnsafeClasses) {
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const Class ignored[] = {
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FLEXClassPointerOrCFNull(@"__ARCLite__"),
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FLEXClassPointerOrCFNull(@"__NSCFCalendar"),
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FLEXClassPointerOrCFNull(@"__NSCFTimer"),
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FLEXClassPointerOrCFNull(@"NSCFTimer"),
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FLEXClassPointerOrCFNull(@"__NSGenericDeallocHandler"),
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FLEXClassPointerOrCFNull(@"NSAutoreleasePool"),
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FLEXClassPointerOrCFNull(@"NSPlaceholderNumber"),
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FLEXClassPointerOrCFNull(@"NSPlaceholderString"),
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FLEXClassPointerOrCFNull(@"NSPlaceholderValue"),
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FLEXClassPointerOrCFNull(@"Object"),
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FLEXClassPointerOrCFNull(@"VMUArchitecture"),
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FLEXClassPointerOrCFNull(@"JSExport"),
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FLEXClassPointerOrCFNull(@"__NSAtom"),
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FLEXClassPointerOrCFNull(@"_NSZombie_"),
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FLEXClassPointerOrCFNull(@"_CNZombie_"),
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FLEXClassPointerOrCFNull(@"__NSMessage"),
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FLEXClassPointerOrCFNull(@"__NSMessageBuilder"),
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FLEXClassPointerOrCFNull(@"FigIrisAutoTrimmerMotionSampleExport"),
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// Temporary until we have our own type encoding parser;
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// setVectors: has an invalid type encoding and crashes NSMethodSignature
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FLEXClassPointerOrCFNull(@"_UIPointVector"),
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};
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assert((sizeof(ignored) / sizeof(Class)) == kFLEXKnownUnsafeClassCount);
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_UnsafeClasses = (Class *)malloc(sizeof(ignored));
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memcpy(_UnsafeClasses, ignored, sizeof(ignored));
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}
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return _UnsafeClasses;
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}
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NSSet * FLEXKnownUnsafeClassNames() {
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static NSSet *set = nil;
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if (!set) {
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NSArray *ignored = @[
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@"__ARCLite__",
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@"__NSCFCalendar",
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@"__NSCFTimer",
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@"NSCFTimer",
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@"__NSGenericDeallocHandler",
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@"NSAutoreleasePool",
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@"NSPlaceholderNumber",
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@"NSPlaceholderString",
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@"NSPlaceholderValue",
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@"Object",
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@"VMUArchitecture",
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@"JSExport",
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@"__NSAtom",
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@"_NSZombie_",
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@"_CNZombie_",
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@"__NSMessage",
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@"__NSMessageBuilder",
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@"FigIrisAutoTrimmerMotionSampleExport",
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@"_UIPointVector",
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];
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set = [NSSet setWithArray:ignored];
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assert(set.count == kFLEXKnownUnsafeClassCount);
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}
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return set;
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}
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