/// <summary>
/// Introduces the member.
/// </summary>
/// <param name="moduleDefinition">The module definition.</param>
/// <param name="memberName">Name of the member.</param>
/// <param name="memberType">Type of the member.</param>
/// <param name="isStatic">if set to <c>true</c> [is static].</param>
/// <param name="adviceType">The advice.</param>
/// <param name="advisedType">The type definition.</param>
/// <param name="markerAttribute">The marker attribute ctor.</param>
/// <param name="introducedMemberName">Name of the introduced member.</param>
/// <param name="isNotSerialized">if set to <c>true</c> [is not serialized].</param>
/// <param name="context">The context.</param>
private void IntroduceMember(ModuleDef moduleDefinition, string memberName, ITypeDefOrRef memberType, bool isStatic,
ITypeDefOrRef adviceType, TypeDef advisedType, ICustomAttributeType markerAttribute, string introducedMemberName, bool isNotSerialized, WeavingContext context)
{
if (IsIntroduction(memberType, out var introducedFieldType, out var isShared, context))
{
var introducedFieldName = IntroductionRules.GetName(adviceType.Namespace, adviceType.Name, introducedMemberName, memberName, isShared);
lock (advisedType.Fields)
{
if (advisedType.Fields.All(f => f.Name != introducedFieldName))
{
var fieldAttributes = (InjectAsPrivate ? FieldAttributes.Private : FieldAttributes.Public)
| (isNotSerialized ? FieldAttributes.NotSerialized : 0);
if (isStatic)
{
fieldAttributes |= FieldAttributes.Static;
}
Logging.WriteDebug("Introduced field type '{0}'", introducedFieldType.FullName);
var introducedFieldTypeReference = TypeImporter.Import(moduleDefinition, introducedFieldType.ToTypeSig());
var introducedField = new FieldDefUser(introducedFieldName, new FieldSig(introducedFieldTypeReference), fieldAttributes);
introducedField.CustomAttributes.Add(new CustomAttribute(markerAttribute));
advisedType.Fields.Add(introducedField);
}
}
}
}
/// <summary>
/// Introduces the member.
/// </summary>
/// <param name="moduleDefinition">The module definition.</param>
/// <param name="memberName">Name of the member.</param>
/// <param name="memberType">Type of the member.</param>
/// <param name="isStatic">if set to <c>true</c> [is static].</param>
/// <param name="adviceType">The advice.</param>
/// <param name="advisedType">The type definition.</param>
/// <param name="markerAttributeCtor">The marker attribute ctor.</param>
private void IntroduceMember(ModuleDefinition moduleDefinition, string memberName, TypeReference memberType, bool isStatic,
TypeReference adviceType, TypeDefinition advisedType, MethodReference markerAttributeCtor)
{
TypeReference introducedFieldType;
if (IsIntroduction(memberType, out introducedFieldType))
{
var introducedFieldName = IntroductionRules.GetName(adviceType.Namespace, adviceType.Name, memberName);
lock (advisedType.Fields)
{
if (advisedType.Fields.All(f => f.Name != introducedFieldName))
{
var fieldAttributes = (InjectAsPrivate ? FieldAttributes.Private : FieldAttributes.Public) | FieldAttributes.NotSerialized;
if (isStatic)
{
fieldAttributes |= FieldAttributes.Static;
}
Logger.WriteDebug("Introduced field type '{0}'", introducedFieldType.FullName);
var introducedFieldTypeReference = moduleDefinition.SafeImport(introducedFieldType);
var introducedField = new FieldDefinition(introducedFieldName, fieldAttributes, introducedFieldTypeReference);
introducedField.CustomAttributes.Add(new CustomAttribute(markerAttributeCtor));
advisedType.Fields.Add(introducedField);
}
}
}
}
/// <summary>
/// Finds the introduced field.
/// </summary>
/// <param name="advice">The advice.</param>
/// <param name="adviceMemberInfo">The advice member information.</param>
/// <param name="advisedType">Type of the advised.</param>
/// <param name="advisedMemberName">Name of the advised member.</param>
/// <returns></returns>
/// <exception cref="InvalidOperationException">Internal error, can not find matching introduced field</exception>
/// <exception cref="System.InvalidOperationException">Internal error, can not find matching introduced field</exception>
internal static FieldInfo FindIntroducedField(IAdvice advice, MemberInfo adviceMemberInfo, Type advisedType, string advisedMemberName)
{
var introducedFieldType = GetIntroducedType(adviceMemberInfo);
var adviceType = advice.GetType();
var introducedFieldName = IntroductionRules.GetName(adviceType.Namespace, adviceType.Name, advisedMemberName, adviceMemberInfo.Name);
const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
var introducedField = FindIntroducedFieldByName(advisedType, introducedFieldName, introducedFieldName, bindingFlags)
?? FindIntroducedFieldByTypeAndAvailability(advisedType, introducedFieldType, adviceMemberInfo.IsStatic(), null, bindingFlags)
?? FindIntroducedFieldByTypeAndAvailability(advisedType, introducedFieldType, adviceMemberInfo.IsStatic(), introducedFieldName, bindingFlags);
if (introducedField is null)
{
throw new InvalidOperationException("Internal error, can not find matching introduced field");
}
var introducedFieldAttribute = introducedField.GetAttributes <IntroducedFieldAttribute>().Single();
introducedFieldAttribute.LinkID = introducedFieldName;
return(introducedField);
}
/// <summary>
/// Finds the introduced field.
/// </summary>
/// <param name="advice">The advice.</param>
/// <param name="adviceMemberInfo">The advice member information.</param>
/// <param name="advisedType">Type of the advised.</param>
/// <returns></returns>
/// <exception cref="System.InvalidOperationException">Internal error, can not find matching introduced field</exception>
internal static FieldInfo FindIntroducedField(IAdvice advice, MemberInfo adviceMemberInfo, Type advisedType)
{
var introducedFieldType = GetIntroducedType(adviceMemberInfo);
var adviceType = advice.GetType();
var introducedFieldName = IntroductionRules.GetName(adviceType.Namespace, adviceType.Name, adviceMemberInfo.Name);
var linkID = string.Format("{0}:{1}", adviceType.AssemblyQualifiedName, adviceMemberInfo.Name);
const BindingFlags bindingFlags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static;
var introducedField = FindIntroducedFieldByName(advisedType, introducedFieldName, linkID, bindingFlags)
?? FindIntroducedFieldByTypeAndAvailability(advisedType, introducedFieldType, adviceMemberInfo.IsStatic(), null, bindingFlags)
?? FindIntroducedFieldByTypeAndAvailability(advisedType, introducedFieldType, adviceMemberInfo.IsStatic(), linkID, bindingFlags);
if (introducedField == null)
{
throw new InvalidOperationException("Internal error, can not find matching introduced field");
}
var introducedFieldAttribute = introducedField.GetCustomAttribute <IntroducedFieldAttribute>();
introducedFieldAttribute.LinkID = linkID;
return(introducedField);
}
