private void InvokeSet(PropertyInfo propertyInfo)
{
var propertyType = propertyInfo.PropertyType;
il.Emit(OpCodes.Ldloc, item);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldloc, field);
if (DataReaderMethodMap.TryGetValue(propertyInfo.PropertyType, out MethodInfo getMethod))
{
il.Emit(OpCodes.Callvirt, getMethod);
}
else
{
il.Emit(OpCodes.Callvirt, getItemMethod);
il.Emit(OpCodes.Castclass, propertyInfo.PropertyType);
}
if (propertyType.IsGenericType &&
propertyType.GetGenericTypeDefinition().Equals(typeof(Nullable <>))
)
{
var propetyType = propertyInfo.PropertyType;
var constructor = propetyType.GetConstructor(new Type[] { propetyType.GetGenericArguments()[0] });
il.Emit(OpCodes.Newobj, constructor);
}
il.Emit(OpCodes.Callvirt, propertyInfo.GetSetMethod(true));
}
private void SimpleProperty(ParameterInfo parameter, PropertyInfo propertyInfo, int currentIndex)
{
Label endLabel = il.DefineLabel();
Label defaultLabel = il.DefineLabel();
//var field = fields[index];
il.Emit(OpCodes.Ldarg_1);
il.Emit(OpCodes.Ldc_I4, currentIndex);
il.Emit(OpCodes.Ldelem_I4);
il.Emit(OpCodes.Stloc, field);
//if(field >= 0)
il.Emit(OpCodes.Ldloc, field);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Blt_S, defaultLabel);
var propertyType = propertyInfo.PropertyType;
//if(!reader.IsDBNull(field))
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldloc, field);
il.Emit(OpCodes.Callvirt, SupportMembers.DataReader.IsDBNull);
il.Emit(OpCodes.Ldc_I4_0);
il.Emit(OpCodes.Ceq);
il.Emit(OpCodes.Brfalse_S, defaultLabel);
il.Emit(OpCodes.Ldarg_0);
il.Emit(OpCodes.Ldloc, field);
if (DataReaderMethodMap.TryGetValue(propertyInfo.PropertyType, out MethodInfo getMethod))
{
il.Emit(OpCodes.Callvirt, getMethod);
}
else
{
il.Emit(OpCodes.Callvirt, getItemMethod);
il.Emit(OpCodes.Castclass, propertyInfo.PropertyType);
}
if (propertyType.IsGenericType && propertyType.GetGenericTypeDefinition().Equals(typeof(Nullable <>)))
{
var propetyType = propertyInfo.PropertyType;
var constructor = propetyType.GetConstructor(new Type[] { propetyType.GetGenericArguments()[0] });
il.Emit(OpCodes.Newobj, constructor);
}
il.Emit(OpCodes.Br_S, endLabel);
il.MarkLabel(defaultLabel);
Default(parameter.ParameterType);
il.MarkLabel(endLabel);
}
