public static Func <object> GetTypedDefaultMethod(Type type)
{
int hashCode = type.GetFullNameHashCode();
if (!defaultMethodDictionary.TryGetValue(hashCode, out Func <object> value))
{
ConstantExpression DefaultExpression1 = ExpressionExtensions.Default(type);
UnaryExpression UnaryExpression1 = Expression.Convert(DefaultExpression1, typeof(object));
Expression <Func <object> > LambdaExpression1 = Expression.Lambda <Func <object> >(UnaryExpression1);
value = LambdaExpression1.Compile();
defaultMethodDictionary.Add(hashCode, value);
}
return(value);
}
public static Setter GetPropertySetter(Type type, Type valueType, PropertyInfo propertyInfo)
{
ParameterExpression ParameterExpression1 = Expression.Parameter(typeof(object), "obj");
ParameterExpression ParameterExpression2 = Expression.Parameter(typeof(object), "value");
Expression instanceExpression;
if (!type.IsAssignableFrom(typeof(object)))
{
instanceExpression = Expression.Convert(ParameterExpression1, type);
}
else
{
instanceExpression = ParameterExpression1;
}
Expression argumentExpression;
if (!valueType.IsAssignableFrom(typeof(object)))
{
argumentExpression = Expression.Convert(ParameterExpression2, valueType);
}
else
{
argumentExpression = ParameterExpression2;
}
Expression MemberExpression1 = Expression.Property(instanceExpression, propertyInfo);
if (!MemberExpression1.Type.IsNullable())
{
Expression BinaryExpression1 = ExpressionExtensions.Assign(MemberExpression1, argumentExpression);
Expression <Setter> LambdaExpression1 = Expression.Lambda <Setter>(BinaryExpression1, ParameterExpression1, ParameterExpression2);
return(LambdaExpression1.Compile());
}
else
{
MethodInfo methodInfo = propertyInfo.GetSetMethod();
MethodCallExpression MethodCallExpression1 = Expression.Call(instanceExpression, methodInfo, argumentExpression);
Expression <Setter> LambdaExpression1 = Expression.Lambda <Setter>(MethodCallExpression1, ParameterExpression1, ParameterExpression2);
return(LambdaExpression1.Compile());
}
}
