public static PropertyDefOptions Create(ModuleDef module, UTF8String name, bool isInstance) => new PropertyDefOptions
{
Attributes = 0,
Name = name,
PropertySig = isInstance ?
PropertySig.CreateInstance(module.CorLibTypes.Int32) :
PropertySig.CreateStatic(module.CorLibTypes.Int32),
Constant = null,
};
private static void WrapField(TypeDef type, string fieldName, string propertyName, string access)
{
FieldDef field = type.Fields.First(f => f.Name == fieldName);
var propertySignature = PropertySig.CreateInstance(field.FieldType);
var property = new PropertyDefUser(propertyName, propertySignature);
type.Properties.Add(property);
bool propertyValid = false;
if (access.Contains("read"))
{
var getterSignature = MethodSig.CreateInstance(field.FieldType);
MethodDefUser getter = new MethodDefUser("nuterra_get_" + propertyName, getterSignature, MethodAttributes.Public | MethodAttributes.HideBySig);
getter.DeclaringType = type;
getter.Body = new CilBody();
getter.Body.Instructions.Add(OpCodes.Ldarg_0.ToInstruction());
getter.Body.Instructions.Add(OpCodes.Ldfld.ToInstruction(field));
getter.Body.Instructions.Add(OpCodes.Ret.ToInstruction());
property.GetMethod = getter;
propertyValid = true;
}
if (access.Contains("write"))
{
var setterSignature = MethodSig.CreateInstance(type.Module.CorLibTypes.Void, field.FieldType);
MethodDefUser setter = new MethodDefUser("nuterra_set_" + propertyName, setterSignature, MethodAttributes.Public | MethodAttributes.HideBySig);
setter.DeclaringType = type;
setter.Body = new CilBody();
setter.Body.Instructions.Add(OpCodes.Ldarg_0.ToInstruction());
setter.Body.Instructions.Add(OpCodes.Ldarg_1.ToInstruction());
setter.Body.Instructions.Add(OpCodes.Stfld.ToInstruction(field));
setter.Body.Instructions.Add(OpCodes.Ret.ToInstruction());
property.SetMethod = setter;
propertyValid = true;
}
if (!propertyValid)
{
throw new ArgumentException("wrap_field must define read and/or write accessor", nameof(access));
}
}
