2025-07-03 12:53:49 +04:00

700 lines
27 KiB
C++

#include "il2cpp-config.h"
#include "gc/WriteBarrier.h"
#include "os/MarshalStringAlloc.h"
#include "os/WindowsRuntime.h"
#include "metadata/GenericMetadata.h"
#include "vm/Array.h"
#include "vm/AssemblyName.h"
#include "vm/Class.h"
#include "vm/CCW.h"
#include "vm/Exception.h"
#include "vm/Object.h"
#include "vm/Reflection.h"
#include "vm/Runtime.h"
#include "vm/StackTrace.h"
#include "vm/String.h"
#include "vm/Type.h"
#include "Image.h"
#include "../utils/StringUtils.h"
#include "../utils/StringViewUtils.h"
#include "il2cpp-tabledefs.h"
#include "il2cpp-class-internals.h"
#include "il2cpp-object-internals.h"
#include "vm-utils/Debugger.h"
#include "vm-utils/VmStringUtils.h"
#include "vm-utils/DebugSymbolReader.h"
namespace il2cpp
{
namespace vm
{
void Exception::PrepareExceptionForThrow(Il2CppException* ex, MethodInfo* lastManagedFrame)
{
#if IL2CPP_MONO_DEBUGGER
il2cpp::utils::Debugger::HandleException(ex);
#endif
if (ex->trace_ips == NULL)
{
// Only write the stack trace if there is not one already in the exception.
// When we exit managed try/finally and try/catch blocks with an exception, this method is
// called with the original exception which already has the proper stack trace.
// Getting the stack trace again here will lose the frames between the original throw
// and the finally or catch block.
const StackFrames& frames = *StackTrace::GetStackFrames();
Il2CppArray* ips = NULL;
Il2CppArray* raw_ips = NULL;
size_t numberOfFrames = frames.size();
if (numberOfFrames == 0 && lastManagedFrame != NULL)
{
// We didn't get any call stack. If we have one frame from codegen, use it.
if (utils::DebugSymbolReader::DebugSymbolsAvailable())
{
Il2CppStackFrame *stackFrame = (Il2CppStackFrame*)vm::Object::New(il2cpp_defaults.stack_frame_class);
IL2CPP_OBJECT_SETREF(stackFrame, method, vm::Reflection::GetMethodObject(lastManagedFrame, NULL));
ips = Array::New(il2cpp_defaults.stack_frame_class, 1);
il2cpp_array_setref(ips, 0, stackFrame);
}
else
{
ips = Array::New(il2cpp_defaults.int_class, 1);
il2cpp_array_set(ips, const MethodInfo*, 0, lastManagedFrame);
}
}
else
{
size_t i = numberOfFrames - 1;
if (utils::DebugSymbolReader::DebugSymbolsAvailable())
{
ips = Array::New(il2cpp_defaults.stack_frame_class, numberOfFrames);
}
else
{
ips = Array::New(il2cpp_defaults.int_class, numberOfFrames);
}
raw_ips = Array::New(il2cpp_defaults.int_class, numberOfFrames);
for (size_t frame = 0; frame != frames.size() && i >= 0; ++frame, --i)
{
const Il2CppStackFrameInfo& stackFrameInfo = frames[frame];
if (utils::DebugSymbolReader::DebugSymbolsAvailable())
{
Il2CppStackFrame *stackFrame = (Il2CppStackFrame*)vm::Object::New(il2cpp_defaults.stack_frame_class);
IL2CPP_OBJECT_SETREF(stackFrame, method, vm::Reflection::GetMethodObject(stackFrameInfo.method, NULL));
stackFrame->line = stackFrameInfo.sourceCodeLineNumber;
stackFrame->il_offset = stackFrameInfo.ilOffset;
if (stackFrameInfo.filePath != NULL && strlen(stackFrameInfo.filePath) != 0)
IL2CPP_OBJECT_SETREF(stackFrame, filename, il2cpp::vm::String::New(stackFrameInfo.filePath));
il2cpp_array_setref(ips, i, stackFrame);
}
else
{
il2cpp_array_set(ips, const MethodInfo*, i, stackFrameInfo.method);
}
il2cpp_array_set(raw_ips, uintptr_t, i, stackFrameInfo.raw_ip);
}
}
IL2CPP_ASSERT(ips != NULL);
IL2CPP_OBJECT_SETREF(ex, trace_ips, ips);
IL2CPP_OBJECT_SETREF(ex, native_trace_ips, raw_ips);
}
}
NORETURN void Exception::Raise(Il2CppException* ex, MethodInfo* lastManagedFrame)
{
PrepareExceptionForThrow(ex, lastManagedFrame);
throw Il2CppExceptionWrapper(ex);
}
NORETURN void Exception::Rethrow(Il2CppException* ex)
{
throw Il2CppExceptionWrapper(ex);
}
NORETURN void Exception::RaiseOutOfMemoryException()
{
RaiseOutOfMemoryException(utils::StringView<Il2CppChar>::Empty());
}
NORETURN void Exception::RaiseOutOfMemoryException(const utils::StringView<Il2CppChar>& msg)
{
Raise(GetOutOfMemoryException(msg));
}
NORETURN void Exception::RaiseNullReferenceException()
{
RaiseNullReferenceException(utils::StringView<Il2CppChar>::Empty());
}
NORETURN void Exception::RaiseNullReferenceException(const utils::StringView<Il2CppChar>& msg)
{
Raise(GetNullReferenceException(msg));
}
NORETURN void Exception::RaiseDivideByZeroException()
{
Raise(GetDivideByZeroException());
}
NORETURN void Exception::RaiseIndexOutOfRangeException()
{
Raise(GetIndexOutOfRangeException());
}
NORETURN void Exception::RaiseOverflowException()
{
Raise(GetOverflowException());
}
NORETURN void Exception::RaiseArgumentOutOfRangeException(const char* msg)
{
Raise(GetArgumentOutOfRangeException(msg));
}
static NORETURN void RaiseFromIl2CppError(const utils::Il2CppError& error)
{
utils::Il2CppErrorCode errorCode = error.GetErrorCode();
if (errorCode == utils::NotSupported)
Exception::Raise(Exception::GetNotSupportedException(error.GetErrorMessage().c_str()));
if (errorCode == utils::ComError)
Exception::Raise(error.GetHr(), false);
if (errorCode == utils::UnauthorizedAccess)
Exception::Raise(Exception::GetUnauthorizedAccessException(error.GetErrorMessage().c_str()));
Exception::Raise(Exception::GetSystemException());
}
void Exception::RaiseIfError(const utils::Il2CppError& error)
{
if (error.GetErrorCode() != utils::NoError)
RaiseFromIl2CppError(error);
}
inline static Il2CppException* TryGetExceptionFromRestrictedErrorInfo(Il2CppIRestrictedErrorInfo* errorInfo)
{
Il2CppILanguageExceptionErrorInfo* languageExceptionInfo;
il2cpp_hresult_t hr = errorInfo->QueryInterface(Il2CppILanguageExceptionErrorInfo::IID, reinterpret_cast<void**>(&languageExceptionInfo));
if (IL2CPP_HR_SUCCEEDED(hr))
{
Il2CppIUnknown* languageException;
hr = languageExceptionInfo->GetLanguageException(&languageException);
languageExceptionInfo->Release();
if (IL2CPP_HR_SUCCEEDED(hr) && languageException != NULL) // It can succeed and return null exception if there's no exception info
{
Il2CppIManagedObjectHolder* managedObjectHolder;
hr = languageException->QueryInterface(Il2CppIManagedObjectHolder::IID, reinterpret_cast<void**>(&managedObjectHolder));
languageException->Release();
if (IL2CPP_HR_SUCCEEDED(hr))
{
Il2CppException* exception = reinterpret_cast<Il2CppException*>(managedObjectHolder->GetManagedObject());
managedObjectHolder->Release();
// TODO: set restricted error info instead of releaseing it here
errorInfo->Release();
return exception;
}
}
}
return NULL;
}
inline static UTF16String GetMessageFromRestrictedErrorInfo(Il2CppIRestrictedErrorInfo* errorInfo)
{
UTF16String result;
il2cpp_hresult_t error;
Il2CppChar* bstrDescription;
Il2CppChar* bstrRestrictedDescription;
Il2CppChar* bstrCapabilitySid;
il2cpp_hresult_t hr = errorInfo->GetErrorDetails(&bstrDescription, &error, &bstrRestrictedDescription, &bstrCapabilitySid);
if (IL2CPP_HR_SUCCEEDED(hr))
{
int descriptionLength = 0;
int restrictedDescriptionLength = 0;
if (bstrDescription != NULL)
os::MarshalStringAlloc::GetBStringLength(bstrDescription, &descriptionLength);
if (bstrRestrictedDescription != NULL)
os::MarshalStringAlloc::GetBStringLength(bstrRestrictedDescription, &restrictedDescriptionLength);
result.append(bstrDescription, descriptionLength);
if (restrictedDescriptionLength > 0)
{
result.append(kIl2CppNewLine);
result.append(bstrRestrictedDescription, restrictedDescriptionLength);
}
if (bstrDescription != NULL)
os::MarshalStringAlloc::FreeBString(bstrDescription);
if (bstrRestrictedDescription != NULL)
os::MarshalStringAlloc::FreeBString(bstrRestrictedDescription);
if (bstrCapabilitySid != NULL)
os::MarshalStringAlloc::FreeBString(bstrCapabilitySid);
}
return result;
}
// When doing COM interop, any unrecognized hresult gets turned into a COMException
// When doing Windows Runtime interop, any unrecognized hresult gets turned into a System.Exception
// Go figure.
Il2CppException* Exception::Get(il2cpp_hresult_t hresult, bool defaultToCOMException)
{
UTF16String message;
Il2CppIRestrictedErrorInfo* errorInfo = os::WindowsRuntime::GetRestrictedErrorInfo();
if (errorInfo != NULL)
{
// First, try retrieving the original exception from restricted error info
Il2CppException* exception = TryGetExceptionFromRestrictedErrorInfo(errorInfo);
if (exception != NULL)
return exception;
// If we got here, restricted error info contained no existing managed exception
message = GetMessageFromRestrictedErrorInfo(errorInfo);
// To do: instead of releasing it here, store it on the exception that we're about to return
errorInfo->Release();
}
switch (hresult)
{
case IL2CPP_E_NOTIMPL:
return FromNameMsg(Image::GetCorlib(), "System", "NotImplementedException", STRING_TO_STRINGVIEW(message));
case IL2CPP_E_NOINTERFACE:
return GetInvalidCastException(STRING_TO_STRINGVIEW(message));
case IL2CPP_E_POINTER:
return GetNullReferenceException(STRING_TO_STRINGVIEW(message));
case IL2CPP_COR_E_OPERATIONCANCELED:
return FromNameMsg(Image::GetCorlib(), "System", "OperationCanceledException", STRING_TO_STRINGVIEW(message));
case IL2CPP_E_ACCESS_DENIED:
return GetUnauthorizedAccessException(STRING_TO_STRINGVIEW(message));
case IL2CPP_E_OUTOFMEMORY:
return GetOutOfMemoryException(STRING_TO_STRINGVIEW(message));
case IL2CPP_E_INVALIDARG:
return GetArgumentException(utils::StringView<Il2CppChar>::Empty(), STRING_TO_STRINGVIEW(message));
case IL2CPP_COR_E_OBJECTDISPOSED:
case IL2CPP_RO_E_CLOSED:
return FromNameMsg(Image::GetCorlib(), "System", "ObjectDisposedException", STRING_TO_STRINGVIEW(message), hresult);
case IL2CPP_E_FAIL:
{
if (message.empty())
message = utils::StringUtils::Utf8ToUtf16("Unspecified error");
return FromNameMsg(Image::GetCorlib(), "System.Runtime.InteropServices", "COMException", STRING_TO_STRINGVIEW(message), hresult);
}
case IL2CPP_COR_E_PLATFORMNOTSUPPORTED:
{
if (message.empty())
message = utils::StringUtils::Utf8ToUtf16("Operation is not supported on this platform.");
return GetPlatformNotSupportedException(STRING_TO_STRINGVIEW(message));
}
case IL2CPP_E_FILE_NOT_FOUND:
return GetFileNotFoundException(STRING_TO_STRINGVIEW(message));
default:
return defaultToCOMException
? Exception::FromNameMsg(vm::Image::GetCorlib(), "System.Runtime.InteropServices", "COMException", STRING_TO_STRINGVIEW(message), hresult)
: Exception::FromNameMsg(vm::Image::GetCorlib(), "System", "Exception", STRING_TO_STRINGVIEW(message), hresult);
}
}
NORETURN void Exception::Raise(il2cpp_hresult_t hresult, bool defaultToCOMException)
{
Raise(Get(hresult, defaultToCOMException));
}
Il2CppException* Exception::FromNameMsg(const Il2CppImage* image, const char *name_space, const char *name, const char *msg)
{
UTF16String utf16Msg;
if (msg != NULL)
utf16Msg = utils::StringUtils::Utf8ToUtf16(msg);
return FromNameMsg(image, name_space, name, STRING_TO_STRINGVIEW(utf16Msg));
}
Il2CppException* Exception::FromNameMsg(const Il2CppImage* image, const char* name_space, const char* name, const utils::StringView<Il2CppChar>& msg)
{
Il2CppClass* exceptionClass = Class::FromName(image, name_space, name);
Il2CppException* ex = (Il2CppException*)Object::New(exceptionClass);
Runtime::ObjectInit((Il2CppObject*)ex);
if (msg.Length() > 0)
IL2CPP_OBJECT_SETREF(ex, message, String::NewUtf16(msg));
return ex;
}
Il2CppException* Exception::FromNameMsg(const Il2CppImage* image, const char *name_space, const char* name, const utils::StringView<Il2CppChar>& msg, il2cpp_hresult_t hresult)
{
Il2CppException* ex = FromNameMsg(image, name_space, name, msg);
ex->hresult = hresult;
return ex;
}
Il2CppException * Exception::GetArgumentException(const char *arg, const char *msg)
{
Il2CppException* ex = FromNameMsg(Image::GetCorlib(), "System", "ArgumentException", msg);
if (arg)
{
Il2CppArgumentException *argex = (Il2CppArgumentException*)ex;
IL2CPP_OBJECT_SETREF(argex, argName, String::New(arg));
}
return ex;
}
Il2CppException* Exception::GetArgumentException(const utils::StringView<Il2CppChar>& arg, const utils::StringView<Il2CppChar>& msg)
{
Il2CppException* ex = FromNameMsg(Image::GetCorlib(), "System", "ArgumentException", msg);
if (arg.Length() > 0)
{
Il2CppArgumentException *argex = (Il2CppArgumentException*)ex;
IL2CPP_OBJECT_SETREF(argex, argName, String::NewUtf16(arg));
}
return ex;
}
Il2CppException * Exception::GetArgumentNullException(const char *arg)
{
Il2CppException* ex = FromNameMsg(Image::GetCorlib(), "System", "ArgumentNullException", NULL);
if (arg)
{
Il2CppArgumentException *argex = (Il2CppArgumentException*)ex;
IL2CPP_OBJECT_SETREF(argex, argName, String::New(arg));
}
return ex;
}
Il2CppException * Exception::GetArgumentOutOfRangeException(const char *arg)
{
Il2CppException* ex = FromNameMsg(Image::GetCorlib(), "System", "ArgumentOutOfRangeException", NULL);
if (arg)
{
Il2CppArgumentException *argex = (Il2CppArgumentException*)ex;
IL2CPP_OBJECT_SETREF(argex, argName, String::New(arg));
}
return ex;
}
Il2CppException * Exception::GetTypeInitializationException(const char *msg, Il2CppException* innerException)
{
Il2CppException* ex = FromNameMsg(Image::GetCorlib(), "System", "TypeInitializationException", msg);
if (innerException != NULL)
IL2CPP_OBJECT_SETREF(ex, inner_ex, innerException);
return ex;
}
Il2CppException* Exception::GetInvalidCastException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "InvalidCastException", msg);
}
Il2CppException* Exception::GetInvalidCastException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "InvalidCastException", msg);
}
Il2CppException* Exception::GetIndexOutOfRangeException()
{
return GetIndexOutOfRangeException(utils::StringView<Il2CppChar>::Empty());
}
Il2CppException* Exception::GetIndexOutOfRangeException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "IndexOutOfRangeException", msg);
}
Il2CppException* Exception::GetNullReferenceException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "NullReferenceException", msg);
}
Il2CppException* Exception::GetTypeLoadException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "TypeLoadException", NULL);
}
Il2CppException* Exception::GetTypeLoadException(const TypeNameParseInfo& info)
{
std::string assemblyNameStr;
const TypeNameParseInfo::AssemblyName& assemblyName = info.assembly_name();
if (!assemblyName.name.empty())
{
utils::VmStringUtils::CaseInsensitiveComparer comparer;
if (comparer(assemblyName.name, "WindowsRuntimeMetadata"))
return GetTypeLoadExceptionForWindowsRuntimeType(STRING_TO_STRINGVIEW(info.ns()), STRING_TO_STRINGVIEW(info.name()));
assemblyNameStr += assemblyName.name;
assemblyNameStr += ", Version=";
const size_t bufferSize = 16;
char buffer[bufferSize];
snprintf(buffer, bufferSize, "%d.", assemblyName.major);
assemblyNameStr += buffer;
snprintf(buffer, bufferSize, "%d.", assemblyName.minor);
assemblyNameStr += buffer;
snprintf(buffer, bufferSize, "%d.", assemblyName.build);
assemblyNameStr += buffer;
snprintf(buffer, bufferSize, "%d", assemblyName.revision);
assemblyNameStr += buffer;
if (!assemblyName.culture.empty())
{
assemblyNameStr += ", Culture=";
assemblyNameStr += assemblyName.culture;
assemblyNameStr += ", PublicKeyToken=";
}
else
{
assemblyNameStr += ", Culture=neutral, PublicKeyToken=";
}
assemblyNameStr += assemblyName.public_key_token[0] ? assemblyName.public_key_token : "null";
}
return GetTypeLoadException(STRING_TO_STRINGVIEW(info.ns()), STRING_TO_STRINGVIEW(info.name()), STRING_TO_STRINGVIEW(assemblyNameStr));
}
Il2CppException* Exception::GetTypeLoadException(const utils::StringView<char>& namespaze, const utils::StringView<char>& typeName, const utils::StringView<char>& assemblyName)
{
std::string exceptionMessage = "Could not load type '";
if (!namespaze.IsEmpty())
{
exceptionMessage.append(namespaze.Str(), namespaze.Length());
exceptionMessage.push_back('.');
}
exceptionMessage.append(typeName.Str(), typeName.Length());
exceptionMessage += "' from assembly '";
if (assemblyName.IsEmpty())
{
exceptionMessage += AssemblyName::AssemblyNameToString(Image::GetAssembly(Image::GetCorlib())->aname);
}
else
{
exceptionMessage.append(assemblyName.Str(), assemblyName.Length());
}
exceptionMessage += "'.";
return Exception::GetTypeLoadException(exceptionMessage.c_str());
}
Il2CppException* Exception::GetTypeLoadExceptionForWindowsRuntimeType(const utils::StringView<char>& namespaze, const utils::StringView<char>& typeName)
{
std::string typeLoadExceptionMessage = "Could not find Windows Runtime type '";
if (namespaze.Length() != 0)
{
typeLoadExceptionMessage.append(namespaze.Str(), namespaze.Length());
typeLoadExceptionMessage.push_back('.');
}
typeLoadExceptionMessage.append(typeName.Str(), typeName.Length());
typeLoadExceptionMessage += "'.";
Il2CppException* typeLoadException = Exception::GetTypeLoadException(typeLoadExceptionMessage.c_str());
// If there's no '.' in neither typeName and namespace specified, it means there is no namespace specified
// Therefore exception information should contain inner exception saying format is not recognized
if (namespaze.Length() == 0 && typeName.Find('.') == utils::StringView<char>::NPos())
{
const char kInnerExceptionMessage[] = "The provided identity format is not recognized. (Exception from HRESULT: 0x80132003)";
Il2CppException* innerException = Exception::GetArgumentException("", kInnerExceptionMessage);
innerException->hresult = 0x80132003;
IL2CPP_OBJECT_SETREF(typeLoadException, inner_ex, innerException);
}
return typeLoadException;
}
Il2CppException* Exception::GetOutOfMemoryException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "OutOfMemoryException", msg);
}
Il2CppException* Exception::GetOverflowException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "OverflowException", NULL);
}
Il2CppException* Exception::GetOverflowException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "OverflowException", msg);
}
Il2CppException* Exception::GetFormatException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "FormatException", msg);
}
Il2CppException* Exception::GetSystemException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "SystemException", NULL);
}
Il2CppException* Exception::GetNotSupportedException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "NotSupportedException", msg);
}
Il2CppException* Exception::GetArrayTypeMismatchException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "ArrayTypeMismatchException", NULL);
}
Il2CppException* Exception::GetTypeLoadException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "TypeLoadException", msg);
}
Il2CppException* Exception::GetEntryPointNotFoundException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "EntryPointNotFoundException", msg);
}
Il2CppException* Exception::GetAmbiguousImplementationException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System.Runtime", "AmbiguousImplementationException", msg);
}
Il2CppException* Exception::GetDllNotFoundException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "DllNotFoundException", msg);
}
Il2CppException * Exception::GetInvalidOperationException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "InvalidOperationException", msg);
}
Il2CppException* Exception::GetThreadInterruptedException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System.Threading", "ThreadInterruptedException", NULL);
}
Il2CppException* Exception::GetThreadAbortException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System.Threading", "ThreadAbortException", NULL);
}
Il2CppException* Exception::GetThreadStateException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System.Threading", "ThreadStateException", msg);
}
Il2CppException* Exception::GetSynchronizationLockException(const char* msg)
{
return FromNameMsg(vm::Image::GetCorlib(), "System.Threading", "SynchronizationLockException", msg);
}
Il2CppException * Exception::GetMissingMethodException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "MissingMethodException", msg);
}
Il2CppException * Exception::GetMarshalDirectiveException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System.Runtime.InteropServices", "MarshalDirectiveException", msg);
}
Il2CppException * Exception::GetTargetException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System.Reflection", "TargetException", msg);
}
Il2CppException* Exception::GetMethodAccessException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "MethodAccessException", msg);
}
Il2CppException * Exception::GetExecutionEngineException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "ExecutionEngineException", msg);
}
Il2CppException* Exception::GetUnauthorizedAccessException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "UnauthorizedAccessException", msg);
}
Il2CppException* Exception::GetUnauthorizedAccessException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "UnauthorizedAccessException", msg);
}
Il2CppException * Exception::GetMaximumNestedGenericsException()
{
int currentLimit = metadata::GenericMetadata::GetMaximumRuntimeGenericDepth();
return GetNotSupportedException(utils::StringUtils::Printf(MAXIMUM_NESTED_GENERICS_EXCEPTION_MESSAGE, currentLimit).c_str());
}
Il2CppException* Exception::GetDivideByZeroException()
{
return FromNameMsg(vm::Image::GetCorlib(), "System", "DivideByZeroException", NULL);
}
Il2CppException* Exception::GetPlatformNotSupportedException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(Image::GetCorlib(), "System", "PlatformNotSupportedException", msg);
}
Il2CppException* Exception::GetFileLoadException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System.IO", "FileLoadException", msg);
}
Il2CppException* Exception::GetFileNotFoundException(const utils::StringView<Il2CppChar>& msg)
{
return FromNameMsg(Image::GetCorlib(), "System.IO", "FileNotFoundException", msg);
}
Il2CppException* Exception::GetCustomAttributeFormatException(const char* msg)
{
return FromNameMsg(Image::GetCorlib(), "System.Reflection", "CustomAttributeFormatException", msg);
}
void Exception::StoreExceptionInfo(Il2CppException* ex, Il2CppString* exceptionString)
{
// To do: try retrieving IRestrictedErrorInfo here
os::WindowsRuntime::OriginateLanguageException(ex->hresult, ex, exceptionString, CCW::GetOrCreate);
}
} /* namespace vm */
} /* namespace il2cpp */