public static SetValueFastDelegate <T> BuildPropertySetter <T>(Type customEffectType, PropertyInfo propertyInfo)
{
Type sourceType = typeof(T);
Type propertyType = propertyInfo.PropertyType;
DynamicMethod dynamicMethod = new DynamicMethod("SetValueDelegate", typeof(void), new Type[2]
{
typeof(object),
sourceType.MakeByRefType()
});
ILGenerator ilGenerator = dynamicMethod.GetILGenerator();
ilGenerator.Emit(OpCodes.Ldarg_0);
ilGenerator.Emit(OpCodes.Castclass, customEffectType);
ilGenerator.Emit(OpCodes.Ldarg_1);
if (sourceType == typeof(byte) || sourceType == typeof(sbyte))
{
ilGenerator.Emit(OpCodes.Ldind_I1);
}
else if (sourceType == typeof(short) || sourceType == typeof(ushort))
{
ilGenerator.Emit(OpCodes.Ldind_I2);
}
else if (sourceType == typeof(int) || sourceType == typeof(uint))
{
ilGenerator.Emit(OpCodes.Ldind_I4);
if (propertyType == typeof(bool))
{
ilGenerator.EmitCall(OpCodes.Call, Utilities.GetMethod(typeof(Convert), "ToBoolean", new Type[1]
{
sourceType
}), (Type[])null);
}
}
else if (sourceType == typeof(long) || sourceType == typeof(ulong))
{
ilGenerator.Emit(OpCodes.Ldind_I8);
}
else if (sourceType == typeof(float))
{
ilGenerator.Emit(OpCodes.Ldind_R4);
}
else if (sourceType == typeof(double))
{
ilGenerator.Emit(OpCodes.Ldind_R8);
}
else
{
ilGenerator.Emit(OpCodes.Ldobj, typeof(T));
MethodInfo explicitConverstion = Utilities.FindExplicitConverstion(sourceType, propertyType);
if (explicitConverstion != (MethodInfo)null)
{
ilGenerator.EmitCall(OpCodes.Call, explicitConverstion, (Type[])null);
}
}
ilGenerator.EmitCall(OpCodes.Callvirt, propertyInfo.GetSetMethod(), (Type[])null);
ilGenerator.Emit(OpCodes.Ret);
return((SetValueFastDelegate <T>)dynamicMethod.CreateDelegate(typeof(SetValueFastDelegate <T>)));
}
