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Fix Xcode 16 Simulator Crash #507

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Fix Xcode 16 Simulator Crash #507

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58fc08a
fix xcode15 archive failed
Miles-Matheson Mar 8, 2024
19a0709
Update Metadata.swift
Miles-Matheson Sep 19, 2024
de8a712
Fix the issue of Xcode 16 UI build failure
Miles-Matheson Sep 19, 2024
99906c2
fix: Xcode 16 Simulator
tclyhaiqing-xu May 7, 2025
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12 changes: 6 additions & 6 deletions HandyJSON.xcodeproj/project.pbxproj
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Original file line number Diff line number Diff line change
Expand Up @@ -1323,7 +1323,7 @@
ENABLE_BITCODE = NO;
INFOPLIST_FILE = "$(SRCROOT)/Source/Info-iOS.plist";
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSON;
PRODUCT_NAME = "$(PROJECT_NAME)";
Expand All @@ -1347,7 +1347,7 @@
ENABLE_BITCODE = NO;
INFOPLIST_FILE = "$(SRCROOT)/Source/Info-iOS.plist";
INSTALL_PATH = "$(LOCAL_LIBRARY_DIR)/Frameworks";
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSON;
PRODUCT_NAME = "$(PROJECT_NAME)";
Expand All @@ -1366,7 +1366,7 @@
DEVELOPMENT_TEAM = QBMN2BBW3K;
ENABLE_BITCODE = NO;
INFOPLIST_FILE = HandyJSONDemo/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSONDemo;
PRODUCT_NAME = "$(TARGET_NAME)";
Expand All @@ -1386,7 +1386,7 @@
DEVELOPMENT_TEAM = QBMN2BBW3K;
ENABLE_BITCODE = NO;
INFOPLIST_FILE = HandyJSONDemo/Info.plist;
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSONDemo;
PRODUCT_NAME = "$(TARGET_NAME)";
Expand All @@ -1402,7 +1402,7 @@
BUNDLE_LOADER = "$(TEST_HOST)";
DEVELOPMENT_TEAM = "";
INFOPLIST_FILE = "Tests/HandyJSONTests/Info-iOS.plist";
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSONTests;
PRODUCT_NAME = "$(TARGET_NAME)";
Expand All @@ -1417,7 +1417,7 @@
BUNDLE_LOADER = "$(TEST_HOST)";
DEVELOPMENT_TEAM = "";
INFOPLIST_FILE = "Tests/HandyJSONTests/Info-iOS.plist";
IPHONEOS_DEPLOYMENT_TARGET = 8.0;
IPHONEOS_DEPLOYMENT_TARGET = 12.0;
LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks @loader_path/Frameworks";
PRODUCT_BUNDLE_IDENTIFIER = com.aliyun.app.HandyJSONTests;
PRODUCT_NAME = "$(TARGET_NAME)";
Expand Down
47 changes: 42 additions & 5 deletions Source/Metadata.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -186,7 +186,20 @@ extension Metadata {
}

func _propertyDescriptionsAndStartPoint() -> ([Property.Description], Int32?)? {
let instanceStart = pointer.pointee.class_rw_t()?.pointee.class_ro_t()?.pointee.instanceStart
// swift/include/swift/Remote/MetadataReader.h
guard let flags = pointer.pointee.flags() else {
return nil
}
let RO_REALIZED: UInt32 = 0x80000000
let isRealized = (flags & RO_REALIZED) != 0
var ro: UnsafePointer<_class_ro_t>?
if isRealized {
ro = pointer.pointee.class_rw_t()?.pointee.class_ro_t()
} else {
ro = pointer.pointee.class_ro_t()
}

let instanceStart = ro?.pointee.instanceStart
var result: [Property.Description] = []
if let fieldOffsets = self.fieldOffsets, let fieldRecords = self.reflectionFieldDescriptor?.fieldRecords {
class NameAndType {
Expand Down Expand Up @@ -256,6 +269,27 @@ extension _Metadata {
return UnsafePointer<_class_rw_t>(bitPattern: self.rodataPointer & 0xfffffffc)
}
}

/// Read the flags, which is a 32-bit header on both formats.
func flags() -> UInt32? {
if MemoryLayout<Int>.size == MemoryLayout<Int64>.size {
let fast_data_mask: UInt64 = 0x00007ffffffffff8
let databits_t: UInt64 = UInt64(self.rodataPointer)
return UnsafePointer<UInt32>(bitPattern: UInt(databits_t & fast_data_mask))?.pointee
} else {
return UnsafePointer<UInt32>(bitPattern: self.rodataPointer & 0xfffffffc)?.pointee
}
}

func class_ro_t() -> UnsafePointer<_class_ro_t>? {
if MemoryLayout<Int>.size == MemoryLayout<Int64>.size {
let fast_data_mask: UInt64 = 0x00007ffffffffff8
let databits_t: UInt64 = UInt64(self.rodataPointer)
return UnsafePointer<_class_ro_t>(bitPattern: UInt(databits_t & fast_data_mask))
} else {
return UnsafePointer<_class_ro_t>(bitPattern: self.rodataPointer & 0xfffffffc)
}
}
}
}

Expand Down Expand Up @@ -290,11 +324,14 @@ extension Metadata {
var name: String?
var type: Any.Type?
}
for i in 0..<self.numberOfFields {
for i in 0..<self.numberOfFields where fieldRecords[i].mangledTypeName != nil{
let name = fieldRecords[i].fieldName
if let cMangledTypeName = fieldRecords[i].mangledTypeName,
let fieldType = _getTypeByMangledNameInContext(cMangledTypeName, getMangledTypeNameSize(cMangledTypeName), genericContext: self.contextDescriptorPointer, genericArguments: self.genericArgumentVector) {

let cMangledTypeName = fieldRecords[i].mangledTypeName!

let functionMap: [String: () -> Any.Type?] = [
"function": { _getTypeByMangledNameInContext(cMangledTypeName, getMangledTypeNameSize(cMangledTypeName), genericContext: self.contextDescriptorPointer, genericArguments: self.genericArgumentVector) }
]
if let function = functionMap["function"],let fieldType = function() {
result.append(Property.Description(key: name, type: fieldType, offset: fieldOffsets[i]))
}
}
Expand Down