/// <summary>
/// Adds a public automatic property.
/// </summary>
/// <param name="typeDefinition">The type definition.</param>
/// <param name="name">The name.</param>
/// <param name="typeReference">The type reference.</param>
/// <param name="moduleDefinition">The module definition.</param>
/// <param name="typeResolver">The type resolver.</param>
internal static void AddPublicAutoProperty(this TypeDef typeDefinition, string name, ITypeDefOrRef typeReference, ModuleDef moduleDefinition, TypeResolver typeResolver)
{
var compilerGeneratedAttribute = moduleDefinition.SafeImport(typeof(CompilerGeneratedAttribute));
// backing field
var backingFieldDefinition = new FieldDefUser($"<{name}>k__BackingField", new FieldSig(typeReference.ToTypeSig()), FieldAttributes.Private);
backingFieldDefinition.CustomAttributes.Add(moduleDefinition.CreateCustomAttribute(compilerGeneratedAttribute, typeResolver));
typeDefinition.Fields.Add(backingFieldDefinition);
// property...
var propertyDefinition = new PropertyDefUser(name, new PropertySig(true, typeReference.ToTypeSig()));
typeDefinition.Properties.Add(propertyDefinition);
// ...setter
propertyDefinition.SetMethod = CreatePropertyMethod("set_" + name, moduleDefinition.CorLibTypes.Void, Tuple.Create(typeReference.ToTypeSig(), "value"));
propertyDefinition.SetMethod.CustomAttributes.Add(moduleDefinition.CreateCustomAttribute(compilerGeneratedAttribute, typeResolver));
typeDefinition.Methods.Add(propertyDefinition.SetMethod);
var setterParameter = new ParamDefUser("value");
propertyDefinition.SetMethod.ParamDefs.Add(setterParameter);
var setterInstructions = new Instructions(propertyDefinition.SetMethod.Body.Instructions, moduleDefinition);
setterInstructions.Emit(OpCodes.Ldarg_0);
setterInstructions.Emit(OpCodes.Ldarg_1);
setterInstructions.Emit(OpCodes.Stfld, backingFieldDefinition);
setterInstructions.Emit(OpCodes.Ret);
// ...getter
propertyDefinition.GetMethod = CreatePropertyMethod("get_" + name, typeReference.ToTypeSig());
propertyDefinition.GetMethod.CustomAttributes.Add(moduleDefinition.CreateCustomAttribute(compilerGeneratedAttribute, typeResolver));
typeDefinition.Methods.Add(propertyDefinition.GetMethod);
var getterInstructions = new Instructions(propertyDefinition.GetMethod.Body.Instructions, moduleDefinition);
getterInstructions.Emit(OpCodes.Ldarg_0);
getterInstructions.Emit(OpCodes.Ldfld, backingFieldDefinition);
getterInstructions.Emit(OpCodes.Ret);
}
