public static Func <object, object> CreateGet(FieldInfo f, Type owner = null)
{
if (f == null)
{
return(null);
}
DynamicMethod expr_2B = new DynamicMethod("", EmitEx.TypeObject, EmitEx.TypesObject, owner ?? f.ReflectedType, true);
ILGenerator iLGenerator = expr_2B.GetILGenerator();
if (f.IsStatic)
{
iLGenerator.Emit(OpCodes.Ldsfld, f);
}
else
{
iLGenerator.Emit(OpCodes.Ldarg_0);
EmitEx.EmitCast(iLGenerator, f.DeclaringType, true);
iLGenerator.Emit(OpCodes.Ldfld, f);
}
if (f.FieldType.IsValueType)
{
iLGenerator.Emit(OpCodes.Box, f.FieldType);
}
iLGenerator.Emit(OpCodes.Ret);
return((Func <object, object>)expr_2B.CreateDelegate(typeof(Func <object, object>)));
}
public static Func <object, object> CreateGet(PropertyInfo p, Type owner = null)
{
if (p == null)
{
return(null);
}
DynamicMethod dynamicMethod = new DynamicMethod("", EmitEx.TypeObject, EmitEx.TypesObject, owner ?? p.ReflectedType, true);
ILGenerator iLGenerator = dynamicMethod.GetILGenerator();
MethodInfo getMethod = p.GetGetMethod(true);
if (getMethod == null)
{
return(null);
}
if (getMethod.IsStatic)
{
iLGenerator.Emit(OpCodes.Call, getMethod);
}
else
{
iLGenerator.Emit(OpCodes.Ldarg_0);
EmitEx.EmitCast(iLGenerator, p.DeclaringType, true);
if (p.DeclaringType.IsValueType)
{
iLGenerator.Emit(OpCodes.Call, getMethod);
}
else
{
iLGenerator.Emit(OpCodes.Callvirt, getMethod);
}
}
if (p.PropertyType.IsValueType)
{
iLGenerator.Emit(OpCodes.Box, p.PropertyType);
}
iLGenerator.Emit(OpCodes.Ret);
return((Func <object, object>)dynamicMethod.CreateDelegate(typeof(Func <object, object>)));
}
