private static string GetTypeName(Il2CppType pType)
{
string ret;
switch (pType.type)
{
case Il2CppTypeEnum.IL2CPP_TYPE_CLASS:
case Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE:
{
var klass = metadata.typeDefs[pType.data.klassIndex];
ret = metadata.GetStringFromIndex(klass.nameIndex);
break;
}
case Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST:
{
var generic_class = il2cpp.MapVATR <Il2CppGenericClass>(pType.data.generic_class);
var pMainDef = metadata.typeDefs[generic_class.typeDefinitionIndex];
ret = metadata.GetStringFromIndex(pMainDef.nameIndex);
var typeNames = new List <string>();
var pInst = il2cpp.MapVATR <Il2CppGenericInst>(generic_class.context.class_inst);
var pointers = il2cpp.GetPointers(pInst.type_argv, (long)pInst.type_argc);
for (uint i = 0; i < pInst.type_argc; ++i)
{
var pOriType = il2cpp.GetIl2CppType(pointers[i]);
typeNames.Add(GetTypeName(pOriType));
}
ret += $"<{string.Join(", ", typeNames)}>";
break;
}
case Il2CppTypeEnum.IL2CPP_TYPE_ARRAY:
{
var arrayType = il2cpp.MapVATR <Il2CppArrayType>(pType.data.array);
var type = il2cpp.GetIl2CppType(arrayType.etype);
ret = $"{GetTypeName(type)}[{new string(',', arrayType.rank - 1)}]";
break;
}
case Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY:
{
var type = il2cpp.GetIl2CppType(pType.data.type);
ret = $"{GetTypeName(type)}[]";
break;
}
case Il2CppTypeEnum.IL2CPP_TYPE_PTR:
{
var type = il2cpp.GetIl2CppType(pType.data.type);
ret = $"{GetTypeName(type)}*";
break;
}
default:
ret = TypeString[(int)pType.type];
break;
}
return(ret);
}
private static string GetGenericTypeParams(Il2CppGenericInst genericInst)
{
var typeNames = new List <string>();
var pointers = il2cpp.GetPointers(genericInst.type_argv, (long)genericInst.type_argc);
for (uint i = 0; i < genericInst.type_argc; ++i)
{
var oriType = il2cpp.GetIl2CppType(pointers[i]);
typeNames.Add(GetTypeName(oriType));
}
return($"<{string.Join(", ", typeNames)}>");
}
private static string GetTypeName(Il2CppType pType)
{
string ret;
if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_CLASS || pType.type == Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE)
{
var klass = metadata.typeDefs[pType.data.klassIndex];
ret = metadata.GetString(klass.nameIndex);
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST)
{
var generic_class = il2cpp.MapVATR <Il2CppGenericClass>(pType.data.generic_class);
var pMainDef = metadata.typeDefs[generic_class.typeDefinitionIndex];
ret = metadata.GetString(pMainDef.nameIndex);
var typeNames = new List <string>();
var pInst = il2cpp.MapVATR <Il2CppGenericInst>(generic_class.context.class_inst);
var pointers = il2cpp.GetPointers(pInst.type_argv, (long)pInst.type_argc);
for (uint i = 0; i < pInst.type_argc; ++i)
{
var pOriType = il2cpp.GetIl2CppType(pointers[i]);
typeNames.Add(GetTypeName(pOriType));
}
ret += $"<{string.Join(", ", typeNames)}>";
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_ARRAY)
{
var arrayType = il2cpp.MapVATR <Il2CppArrayType>(pType.data.array);
var type = il2cpp.GetIl2CppType(arrayType.etype);
ret = $"{GetTypeName(type)}[]";
}
else if (pType.type == Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY)
{
var type = il2cpp.GetIl2CppType(pType.data.type);
ret = $"{GetTypeName(type)}[]";
}
else
{
if ((int)pType.type >= szTypeString.Length)
{
ret = "unknow";
}
else
{
ret = szTypeString[(int)pType.type];
}
}
return(ret);
}
private TypeReference GetTypeReference(MemberReference memberReference, Il2CppType pType)
{
var moduleDefinition = memberReference.Module;
switch (pType.type)
{
case Il2CppTypeEnum.IL2CPP_TYPE_OBJECT:
return(moduleDefinition.Import(typeof(Object)));
case Il2CppTypeEnum.IL2CPP_TYPE_VOID:
return(moduleDefinition.Import(typeof(void)));
case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN:
return(moduleDefinition.Import(typeof(Boolean)));
case Il2CppTypeEnum.IL2CPP_TYPE_CHAR:
return(moduleDefinition.Import(typeof(Char)));
case Il2CppTypeEnum.IL2CPP_TYPE_I1:
return(moduleDefinition.Import(typeof(SByte)));
case Il2CppTypeEnum.IL2CPP_TYPE_U1:
return(moduleDefinition.Import(typeof(Byte)));
case Il2CppTypeEnum.IL2CPP_TYPE_I2:
return(moduleDefinition.Import(typeof(Int16)));
case Il2CppTypeEnum.IL2CPP_TYPE_U2:
return(moduleDefinition.Import(typeof(UInt16)));
case Il2CppTypeEnum.IL2CPP_TYPE_I4:
return(moduleDefinition.Import(typeof(Int32)));
case Il2CppTypeEnum.IL2CPP_TYPE_U4:
return(moduleDefinition.Import(typeof(UInt32)));
case Il2CppTypeEnum.IL2CPP_TYPE_I:
return(moduleDefinition.Import(typeof(IntPtr)));
case Il2CppTypeEnum.IL2CPP_TYPE_U:
return(moduleDefinition.Import(typeof(UIntPtr)));
case Il2CppTypeEnum.IL2CPP_TYPE_I8:
return(moduleDefinition.Import(typeof(Int64)));
case Il2CppTypeEnum.IL2CPP_TYPE_U8:
return(moduleDefinition.Import(typeof(UInt64)));
case Il2CppTypeEnum.IL2CPP_TYPE_R4:
return(moduleDefinition.Import(typeof(Single)));
case Il2CppTypeEnum.IL2CPP_TYPE_R8:
return(moduleDefinition.Import(typeof(Double)));
case Il2CppTypeEnum.IL2CPP_TYPE_STRING:
return(moduleDefinition.Import(typeof(String)));
case Il2CppTypeEnum.IL2CPP_TYPE_TYPEDBYREF:
return(moduleDefinition.Import(typeof(TypedReference)));
case Il2CppTypeEnum.IL2CPP_TYPE_CLASS:
case Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE:
{
var typeDefinition = typeDefinitionDic[pType.data.klassIndex];
return(moduleDefinition.Import(typeDefinition));
}
case Il2CppTypeEnum.IL2CPP_TYPE_ARRAY:
{
var arrayType = il2cpp.MapVATR <Il2CppArrayType>(pType.data.array);
var type = il2cpp.GetIl2CppType(arrayType.etype);
return(new ArrayType(GetTypeReference(memberReference, type), arrayType.rank));
}
case Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST:
{
var generic_class = il2cpp.MapVATR <Il2CppGenericClass>(pType.data.generic_class);
var typeDefinition = typeDefinitionDic[generic_class.typeDefinitionIndex];
var genericInstanceType = new GenericInstanceType(moduleDefinition.Import(typeDefinition));
var pInst = il2cpp.MapVATR <Il2CppGenericInst>(generic_class.context.class_inst);
var pointers = il2cpp.GetPointers(pInst.type_argv, (long)pInst.type_argc);
foreach (var pointer in pointers)
{
var pOriType = il2cpp.GetIl2CppType(pointer);
genericInstanceType.GenericArguments.Add(GetTypeReference(memberReference, pOriType));
}
return(genericInstanceType);
}
case Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY:
{
var type = il2cpp.GetIl2CppType(pType.data.type);
return(new ArrayType(GetTypeReference(memberReference, type)));
}
case Il2CppTypeEnum.IL2CPP_TYPE_VAR:
{
if (genericParameterDic.TryGetValue(pType, out var genericParameter))
{
return(genericParameter);
}
if (memberReference is MethodDefinition methodDefinition)
{
var genericName = "T" + (methodDefinition.DeclaringType.GenericParameters.Count + 1);
genericParameter = new GenericParameter(genericName, methodDefinition.DeclaringType);
methodDefinition.DeclaringType.GenericParameters.Add(genericParameter);
genericParameterDic.Add(pType, genericParameter);
return(genericParameter);
}
var typeDefinition = (TypeDefinition)memberReference;
var genericName2 = "T" + (typeDefinition.GenericParameters.Count + 1);
genericParameter = new GenericParameter(genericName2, typeDefinition);
typeDefinition.GenericParameters.Add(genericParameter);
genericParameterDic.Add(pType, genericParameter);
return(genericParameter);
}
case Il2CppTypeEnum.IL2CPP_TYPE_MVAR:
{
if (genericParameterDic.TryGetValue(pType, out var genericParameter))
{
return(genericParameter);
}
var methodDefinition = (MethodDefinition)memberReference;
var genericName = "T" + (methodDefinition.GenericParameters.Count + 1);
genericParameter = new GenericParameter(genericName, methodDefinition);
methodDefinition.GenericParameters.Add(genericParameter);
genericParameterDic.Add(pType, genericParameter);
return(genericParameter);
}
case Il2CppTypeEnum.IL2CPP_TYPE_PTR:
{
var type = il2cpp.GetIl2CppType(pType.data.type);
return(new PointerType(GetTypeReference(memberReference, type)));
}
default:
return(moduleDefinition.Import(typeof(Object)));
}
}
private TypeReference GetTypeReference(MemberReference memberReference, Il2CppType il2CppType)
{
var moduleDefinition = memberReference.Module;
switch (il2CppType.type)
{
case Il2CppTypeEnum.IL2CPP_TYPE_OBJECT:
return(moduleDefinition.ImportReference(typeof(object)));
case Il2CppTypeEnum.IL2CPP_TYPE_VOID:
return(moduleDefinition.ImportReference(typeof(void)));
case Il2CppTypeEnum.IL2CPP_TYPE_BOOLEAN:
return(moduleDefinition.ImportReference(typeof(bool)));
case Il2CppTypeEnum.IL2CPP_TYPE_CHAR:
return(moduleDefinition.ImportReference(typeof(char)));
case Il2CppTypeEnum.IL2CPP_TYPE_I1:
return(moduleDefinition.ImportReference(typeof(sbyte)));
case Il2CppTypeEnum.IL2CPP_TYPE_U1:
return(moduleDefinition.ImportReference(typeof(byte)));
case Il2CppTypeEnum.IL2CPP_TYPE_I2:
return(moduleDefinition.ImportReference(typeof(short)));
case Il2CppTypeEnum.IL2CPP_TYPE_U2:
return(moduleDefinition.ImportReference(typeof(ushort)));
case Il2CppTypeEnum.IL2CPP_TYPE_I4:
return(moduleDefinition.ImportReference(typeof(int)));
case Il2CppTypeEnum.IL2CPP_TYPE_U4:
return(moduleDefinition.ImportReference(typeof(uint)));
case Il2CppTypeEnum.IL2CPP_TYPE_I:
return(moduleDefinition.ImportReference(typeof(IntPtr)));
case Il2CppTypeEnum.IL2CPP_TYPE_U:
return(moduleDefinition.ImportReference(typeof(UIntPtr)));
case Il2CppTypeEnum.IL2CPP_TYPE_I8:
return(moduleDefinition.ImportReference(typeof(long)));
case Il2CppTypeEnum.IL2CPP_TYPE_U8:
return(moduleDefinition.ImportReference(typeof(ulong)));
case Il2CppTypeEnum.IL2CPP_TYPE_R4:
return(moduleDefinition.ImportReference(typeof(float)));
case Il2CppTypeEnum.IL2CPP_TYPE_R8:
return(moduleDefinition.ImportReference(typeof(double)));
case Il2CppTypeEnum.IL2CPP_TYPE_STRING:
return(moduleDefinition.ImportReference(typeof(string)));
case Il2CppTypeEnum.IL2CPP_TYPE_TYPEDBYREF:
return(moduleDefinition.ImportReference(typeof(TypedReference)));
case Il2CppTypeEnum.IL2CPP_TYPE_CLASS:
case Il2CppTypeEnum.IL2CPP_TYPE_VALUETYPE:
{
var typeDefinition = typeDefinitionDic[il2CppType.data.klassIndex];
return(moduleDefinition.ImportReference(typeDefinition));
}
case Il2CppTypeEnum.IL2CPP_TYPE_ARRAY:
{
var arrayType = il2cpp.MapVATR <Il2CppArrayType>(il2CppType.data.array);
var oriType = il2cpp.GetIl2CppType(arrayType.etype);
return(new ArrayType(GetTypeReference(memberReference, oriType), arrayType.rank));
}
case Il2CppTypeEnum.IL2CPP_TYPE_GENERICINST:
{
var genericClass = il2cpp.MapVATR <Il2CppGenericClass>(il2CppType.data.generic_class);
var typeDefinition = typeDefinitionDic[genericClass.typeDefinitionIndex];
var genericInstanceType = new GenericInstanceType(moduleDefinition.ImportReference(typeDefinition));
var genericInst = il2cpp.MapVATR <Il2CppGenericInst>(genericClass.context.class_inst);
var pointers = il2cpp.GetPointers(genericInst.type_argv, (long)genericInst.type_argc);
foreach (var pointer in pointers)
{
var oriType = il2cpp.GetIl2CppType(pointer);
genericInstanceType.GenericArguments.Add(GetTypeReference(memberReference, oriType));
}
return(genericInstanceType);
}
case Il2CppTypeEnum.IL2CPP_TYPE_SZARRAY:
{
var oriType = il2cpp.GetIl2CppType(il2CppType.data.type);
return(new ArrayType(GetTypeReference(memberReference, oriType)));
}
case Il2CppTypeEnum.IL2CPP_TYPE_VAR:
{
if (genericParameterDic.TryGetValue(il2CppType.data.genericParameterIndex, out var genericParameter))
{
return(genericParameter);
}
var param = metadata.genericParameters[il2CppType.data.genericParameterIndex];
var genericName = metadata.GetStringFromIndex(param.nameIndex);
if (memberReference is MethodDefinition methodDefinition)
{
genericParameter = new GenericParameter(genericName, methodDefinition.DeclaringType);
methodDefinition.DeclaringType.GenericParameters.Add(genericParameter);
genericParameterDic.Add(il2CppType.data.genericParameterIndex, genericParameter);
return(genericParameter);
}
var typeDefinition = (TypeDefinition)memberReference;
genericParameter = new GenericParameter(genericName, typeDefinition);
typeDefinition.GenericParameters.Add(genericParameter);
genericParameterDic.Add(il2CppType.data.genericParameterIndex, genericParameter);
return(genericParameter);
}
case Il2CppTypeEnum.IL2CPP_TYPE_MVAR:
{
if (genericParameterDic.TryGetValue(il2CppType.data.genericParameterIndex, out var genericParameter))
{
return(genericParameter);
}
var methodDefinition = (MethodDefinition)memberReference;
var param = metadata.genericParameters[il2CppType.data.genericParameterIndex];
var genericName = metadata.GetStringFromIndex(param.nameIndex);
genericParameter = new GenericParameter(genericName, methodDefinition);
methodDefinition.GenericParameters.Add(genericParameter);
genericParameterDic.Add(il2CppType.data.genericParameterIndex, genericParameter);
return(genericParameter);
}
case Il2CppTypeEnum.IL2CPP_TYPE_PTR:
{
var oriType = il2cpp.GetIl2CppType(il2CppType.data.type);
return(new PointerType(GetTypeReference(memberReference, oriType)));
}
default:
return(moduleDefinition.ImportReference(typeof(object)));
}
}