public static void MakeSetter(FieldDefinition field, FieldRewriteContext fieldContext, PropertyDefinition property)
{
var imports = AssemblyKnownImports.For(property);
var setter = new MethodDefinition("set_" + property.Name, Field2MethodAttrs(field.Attributes) | MethodAttributes.SpecialName | MethodAttributes.HideBySig, imports.Void);
setter.Parameters.Add(new ParameterDefinition(property.PropertyType));
property.DeclaringType.Methods.Add(setter);
var setterBody = setter.Body.GetILProcessor();
if (field.IsStatic)
{
setterBody.Emit(OpCodes.Ldsfld, fieldContext.PointerField);
setterBody.EmitObjectToPointer(field.FieldType, property.PropertyType, fieldContext.DeclaringType, 0, false, true, true, out _);
setterBody.Emit(OpCodes.Call, imports.FieldStaticSet);
}
else
{
setterBody.EmitObjectToPointer(fieldContext.DeclaringType.OriginalType, fieldContext.DeclaringType.NewType, fieldContext.DeclaringType, 0, false, false, false, out _);
setterBody.Emit(OpCodes.Ldsfld, fieldContext.PointerField);
setterBody.Emit(OpCodes.Call, imports.FieldGetOffset);
setterBody.Emit(OpCodes.Add);
setterBody.EmitObjectStore(field.FieldType, property.PropertyType, fieldContext.DeclaringType, 1);
}
setterBody.Emit(OpCodes.Ret);
property.SetMethod = setter;
}
public static MethodDefinition MakeGetter(FieldDefinition field, FieldReference fieldInfoPointer, PropertyDefinition property)
{
var imports = AssemblyKnownImports.For(property);
var getter = new MethodDefinition("get_" + property.Name, Field2MethodAttrs(field.Attributes) | MethodAttributes.SpecialName | MethodAttributes.HideBySig, property.PropertyType);
var propertyTypeIsValueType = field.FieldType.IsValueType || field.FieldType.IsPrimitive;
var local0 = new VariableDefinition(propertyTypeIsValueType ? property.PropertyType : imports.IntPtr);
getter.Body.Variables.Add(local0);
var getterBody = getter.Body.GetILProcessor();
if (field.IsStatic)
{
getterBody.Emit(OpCodes.Ldsfld, fieldInfoPointer);
getterBody.Emit(OpCodes.Ldloca_S, local0);
getterBody.Emit(OpCodes.Conv_U);
getterBody.Emit(OpCodes.Call, imports.FieldStaticGet);
}
else
{
getterBody.Emit(OpCodes.Ldarg_0);
getterBody.Emit(OpCodes.Call, imports.Il2CppObjectBaseToPointerNotNull);
getterBody.Emit(OpCodes.Ldsfld, fieldInfoPointer);
getterBody.Emit(OpCodes.Call, imports.FieldGetOffset);
getterBody.Emit(OpCodes.Add);
getterBody.Emit(OpCodes.Ldobj, local0.VariableType);
getterBody.Emit(OpCodes.Stloc_0);
}
getterBody.Emit(OpCodes.Ldloc_0);
if (field.FieldType.FullName == "System.String")
{
getterBody.Emit(OpCodes.Call, imports.StringFromNative);
}
else if (!propertyTypeIsValueType)
{
var createRealObject = getterBody.Create(OpCodes.Newobj,
new MethodReference(".ctor", imports.Void, property.PropertyType)
{
Parameters = { new ParameterDefinition(imports.IntPtr) }, HasThis = true
});
getterBody.Emit(OpCodes.Dup);
getterBody.Emit(OpCodes.Brtrue_S, createRealObject);
getterBody.Emit(OpCodes.Pop);
getterBody.Emit(OpCodes.Ldnull);
getterBody.Emit(OpCodes.Ret);
getterBody.Append(createRealObject);
}
getterBody.Emit(OpCodes.Ret);
property.GetMethod = getter;
return(getter);
}
public static void EmitUpdateRef(this ILProcessor body, ParameterDefinition newMethodParameter, int argIndex, VariableDefinition paramVariable, AssemblyKnownImports imports)
{
body.Emit(OpCodes.Ldarg, argIndex);
body.Emit(OpCodes.Ldloc, paramVariable);
if (newMethodParameter.ParameterType.GetElementType().FullName == "System.String")
{
body.Emit(OpCodes.Call, imports.StringFromNative);
}
else
{
body.Emit(OpCodes.Newobj,
new MethodReference(".ctor", imports.Void, newMethodParameter.ParameterType.GetElementType())
{
HasThis = true, Parameters = { new ParameterDefinition(imports.IntPtr) }
});
}
body.Emit(OpCodes.Stind_Ref);
}
public static void MakeGetter(FieldDefinition field, FieldRewriteContext fieldContext, PropertyDefinition property, AssemblyKnownImports imports)
{
var getter = new MethodDefinition("get_" + property.Name, Field2MethodAttrs(field.Attributes) | MethodAttributes.SpecialName | MethodAttributes.HideBySig, property.PropertyType);
var getterBody = getter.Body.GetILProcessor();
property.DeclaringType.Methods.Add(getter);
if (field.IsStatic)
{
var local0 = new VariableDefinition(property.PropertyType.IsValueType ? property.PropertyType : imports.IntPtr);
getter.Body.Variables.Add(local0);
bool localIsPointer = false;
if (field.FieldType.IsValueType && !property.PropertyType.IsValueType)
{
var pointerStore = new GenericInstanceType(imports.Il2CppClassPointerStore);
pointerStore.GenericArguments.Add(property.PropertyType);
var pointerStoreType = property.DeclaringType.Module.ImportReference(pointerStore);
getterBody.Emit(OpCodes.Ldsfld, new FieldReference(nameof(Il2CppClassPointerStore <int> .NativeClassPtr), imports.IntPtr, pointerStoreType));
getterBody.Emit(OpCodes.Ldc_I4, 0);
getterBody.Emit(OpCodes.Conv_U);
getterBody.Emit(OpCodes.Call, imports.ValueSizeGet);
getterBody.Emit(OpCodes.Conv_U);
getterBody.Emit(OpCodes.Localloc);
getterBody.Emit(OpCodes.Stloc, local0);
localIsPointer = true;
}
getterBody.Emit(OpCodes.Ldsfld, fieldContext.PointerField);
if (localIsPointer)
{
getterBody.Emit(OpCodes.Ldloc, local0);
}
else
{
getterBody.Emit(OpCodes.Ldloca_S, local0);
}
getterBody.Emit(OpCodes.Conv_U);
getterBody.Emit(OpCodes.Call, imports.FieldStaticGet);
if (property.PropertyType.IsValueType)
{
getterBody.Emit(OpCodes.Ldloc, local0);
getterBody.Emit(OpCodes.Ret);
property.GetMethod = getter;
return;
}
}
else
{
var local0 = new VariableDefinition(imports.IntPtr);
getter.Body.Variables.Add(local0);
getterBody.EmitObjectToPointer(fieldContext.DeclaringType.OriginalType, fieldContext.DeclaringType.NewType, fieldContext.DeclaringType, 0, false, false, false, out _);
getterBody.Emit(OpCodes.Ldsfld, fieldContext.PointerField);
getterBody.Emit(OpCodes.Call, imports.FieldGetOffset);
getterBody.Emit(OpCodes.Add);
getterBody.Emit(OpCodes.Stloc_0);
}
getterBody.EmitPointerToObject(fieldContext.OriginalField.FieldType, property.PropertyType, fieldContext.DeclaringType, getterBody.Create(OpCodes.Ldloc_0), !field.IsStatic, false);
getterBody.Emit(OpCodes.Ret);
property.GetMethod = getter;
}
public static MethodDefinition MakeSetter(FieldDefinition field, FieldReference fieldDefinition, PropertyDefinition property)
{
var imports = AssemblyKnownImports.For(property);
var propertyTypeIsValueType = field.FieldType.IsValueType || field.FieldType.IsPrimitive;
var actualFieldType = propertyTypeIsValueType ? property.PropertyType : imports.IntPtr;
var setter = new MethodDefinition("set_" + property.Name, Field2MethodAttrs(field.Attributes) | MethodAttributes.SpecialName | MethodAttributes.HideBySig, imports.Void);
setter.Parameters.Add(new ParameterDefinition(property.PropertyType));
var setterBody = setter.Body.GetILProcessor();
if (field.IsStatic)
{
setterBody.Emit(OpCodes.Ldsfld, fieldDefinition);
if (field.FieldType.FullName == "System.String")
{
setterBody.Emit(OpCodes.Ldarg_0);
setterBody.Emit(OpCodes.Call, imports.StringToNative);
}
else if (!propertyTypeIsValueType)
{
setterBody.Emit(OpCodes.Ldarg_0);
setterBody.Emit(OpCodes.Call, imports.Il2CppObjectBaseToPointer);
}
else
{
setterBody.Emit(OpCodes.Ldarga_S, (byte)0);
setterBody.Emit(OpCodes.Conv_U);
}
setterBody.Emit(OpCodes.Call, imports.FieldStaticSet);
}
else
{
setterBody.Emit(OpCodes.Ldarg_0);
setterBody.Emit(OpCodes.Call, imports.Il2CppObjectBaseToPointerNotNull);
setterBody.Emit(OpCodes.Ldsfld, fieldDefinition);
setterBody.Emit(OpCodes.Call, imports.FieldGetOffset);
setterBody.Emit(OpCodes.Add);
if (field.FieldType.FullName == "System.String")
{
setterBody.Emit(OpCodes.Ldarg_1);
setterBody.Emit(OpCodes.Call, imports.StringToNative);
}
else if (!propertyTypeIsValueType)
{
setterBody.Emit(OpCodes.Ldarg_1);
setterBody.Emit(OpCodes.Call, imports.Il2CppObjectBaseToPointer);
}
else
{
setterBody.Emit(OpCodes.Ldarg_1);
}
setterBody.Emit(OpCodes.Stobj, actualFieldType);
}
setterBody.Emit(OpCodes.Ret);
property.SetMethod = setter;
return(setter);
}