private static void CreatePropertySetterDelegate(Builder builder, PropertyBuilderInfo member, Method propertySetter)
{
// If we don't have a backing field and we don't have a setter and getter
// don't bother creating a setter delegate
if (member.Property.BackingField == null && propertySetter == null)
{
return;
}
if (member.Property.BackingField == null && member.Property.Getter != null && member.Property.Setter != null)
{
var getter = member.Property.Getter.Copy();
var setter = member.Property.Setter.Copy();
CreateSetterDelegate(builder, propertySetter, member.Property.ReturnType,
x => x.Call(getter.IsStatic ? null : Crumb.This, getter),
(coder, value) => coder.Call(setter.IsStatic ? null : Crumb.This, setter, value()));
}
else if (member.Property.BackingField != null && !member.Property.BackingField.FieldType.IsGenericType)
{
CreateSetterDelegate(builder, propertySetter, member.Property.BackingField.FieldType,
x => x.Load(member.Property.BackingField) as ICode,
(coder, value) => coder.Assign(member.Property.BackingField).Set(value()));
}
else if (member.Property.BackingField == null && member.Property.Setter != null)
{
var methodSetter = member.Property.Setter.Copy();
propertySetter.NewCode().Call(methodSetter.IsStatic ? null : Crumb.This, methodSetter, Crumb.GetParameter(0)).Return().Replace();
}
else if (member.Property.BackingField == null && member.Property.Getter != null)
{
// This shouldn't be a thing
}
else
{
propertySetter.NewCode().Assign(member.Property.BackingField).Set(Crumb.GetParameter(0)).Return().Replace();
}
}
private static void AddPropertySetterInterception(Builder builder, __PropertyInterceptionInfo propertyInterceptionInfo, PropertyBuilderInfo member, Field propertyField, Method actionObjectCtor, Method propertySetter, Dictionary <string, Field> interceptorFields)
{
var syncRoot = new __ISyncRoot(builder);
var legalSetterInterceptors = member.InterceptorInfos.Where(x => x.InterfaceSetter != null).ToArray();
member.Property.Setter
.NewCode()
.Context(x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).IsNull().Then(y =>
{
y.Assign(field).NewObj(item.Attribute);
if (item.HasSyncRootInterface)
{
y.Load(field).As(syncRoot.Type.Import()).Call(syncRoot.SyncRoot, member.SyncRoot);
}
});
item.Attribute.Remove();
}
x.Load(propertyField).IsNull().Then(y =>
y.Assign(propertyField)
.NewObj(propertyInterceptionInfo.Ctor,
member.Property.Getter,
member.Property.Setter,
member.Property.Name,
member.Property.ReturnType,
y.This,
member.Property.ReturnType.IsArray || member.Property.ReturnType.Implements(typeof(IEnumerable)) ? member.Property.ReturnType.ChildType : null,
y.NewCode().NewObj(actionObjectCtor, propertySetter)));
})
.Try(x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.Type).Call(item.InterfaceSetter.OnSet, propertyField, member.Property.BackingField, member.Property.Setter.NewCode().GetParameter(0));
x.IsFalse().Then(y => y.Assign(member.Property.BackingField).Set(member.Property.Setter.NewCode().GetParameter(0)));
}
})
.Catch(typeof(Exception), x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.Type).Call(legalSetterInterceptors[i].InterfaceSetter.OnException, x.Exception);
}
x.Rethrow();
})
.Finally(x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.Type).Call(legalSetterInterceptors[i].InterfaceSetter.OnExit);
}
})
.EndTry()
.Return()
.Replace();
}
private static void CreatePropertySetterDelegate(Builder builder, PropertyBuilderInfo member, Method propertySetter)
{
var iList = new __IList(builder);
var setterCode = propertySetter.NewCode();
if (!member.Property.BackingField.FieldType.IsGenericType)
{
var extensions = new __Extensions(builder);
if (member.Property.BackingField.FieldType.ParameterlessContructor != null && member.Property.BackingField.FieldType.ParameterlessContructor.IsPublic)
{
setterCode.Load(member.Property.BackingField).IsNull().Then(y =>
y.Assign(member.Property.BackingField).Set(propertySetter.NewCode()
.NewObj(member.Property.BackingField.FieldType.ParameterlessContructor)));
}
// Only this if the property implements idisposable
if (member.Property.BackingField.FieldType.Implements(typeof(IDisposable)))
{
setterCode.Call(extensions.TryDisposeInternal, member.Property.BackingField);
}
setterCode.Load(propertySetter.NewCode().GetParameter(0)).IsNull().Then(x =>
{
// Just clear if its clearable
if (member.Property.BackingField.FieldType.Implements(iList.Type.Fullname))
{
x.Load(member.Property.BackingField).Callvirt(iList.Clear).Return();
}
// Otherwise if the property is not a value type and nullable
else if (!member.Property.BackingField.FieldType.IsValueType || member.Property.BackingField.FieldType.IsNullable || member.Property.BackingField.FieldType.IsArray)
{
x.Assign(member.Property.BackingField).Set(null).Return();
}
else // otherwise... throw an exception
{
x.ThrowNew(typeof(NotSupportedException), "Value types does not accept null values.");
}
});
if (member.Property.BackingField.FieldType.IsArray)
{
setterCode.Load(propertySetter.NewCode().GetParameter(0)).Is(typeof(IEnumerable))
.Then(x => x.Assign(member.Property.BackingField).Set(propertySetter.NewCode().GetParameter(0)).Return())
.ThrowNew(typeof(NotSupportedException), "Value does not inherits from IEnumerable");
}
else if (member.Property.BackingField.FieldType.Implements(iList.Type.Fullname) && member.Property.BackingField.FieldType.ParameterlessContructor != null)
{
var addRange = member.Property.BackingField.FieldType.GetMethod("AddRange", 1, false);
if (addRange == null)
{
var add = member.Property.BackingField.FieldType.GetMethod("Add", 1);
var array = setterCode.CreateVariable(member.Property.BackingField.FieldType.ChildType.MakeArray());
setterCode.Assign(array).Set(propertySetter.NewCode().GetParameter(0));
setterCode.For(array, (x, item) => x.Load(member.Property.BackingField).Callvirt(add, item));
if (!add.ReturnType.IsVoid)
{
setterCode.Pop();
}
}
else
{
setterCode.Load(member.Property.BackingField).Callvirt(addRange, propertySetter.NewCode().GetParameter(0));
}
}
else if (member.Property.BackingField.FieldType.IsEnum)
{
// Enums requires special threatment
setterCode.Load(propertySetter.NewCode().GetParameter(0)).Is(typeof(string)).Then(x =>
{
var stringVariable = setterCode.CreateVariable(typeof(string));
setterCode.Assign(stringVariable).Set(x.NewCode().GetParameter(0));
setterCode.Assign(member.Property.BackingField).Set(stringVariable).Return();
});
setterCode.Assign(member.Property.BackingField).Set(propertySetter.NewCode().GetParameter(0));
}
else
{
setterCode.Assign(member.Property.BackingField).Set(propertySetter.NewCode().GetParameter(0));
}
}
else
{
setterCode.Assign(member.Property.BackingField).Set(propertySetter.NewCode().GetParameter(0));
}
setterCode.Return().Replace();
}
private static void AddPropertySetterInterception(Builder builder, __PropertyInterceptionInfo propertyInterceptionInfo, PropertyBuilderInfo member, Field propertyField, Method actionObjectCtor, Method propertySetter, Dictionary <string, Field> interceptorFields)
{
var syncRoot = new __ISyncRoot();
var legalSetterInterceptors = member.InterceptorInfos.Where(x => x.InterfaceSetter != null).ToArray();
member.Property.Setter
.NewCode()
.Context(x =>
{
if (member.HasInitializer)
{
return;
}
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).IsNull().Then(y =>
{
y.Assign(field).NewObj(item.Attribute);
if (item.HasSyncRootInterface)
{
y.Load(field).As(syncRoot.ToBuilderType.Import()).Call(syncRoot.SyncRoot, member.SyncRoot);
}
ImplementAssignMethodAttribute(builder, legalSetterInterceptors[i].AssignMethodAttributeInfos, field, y, false);
});
item.Attribute.Remove();
}
x.Load(propertyField).IsNull().Then(y =>
y.Assign(propertyField)
.NewObj(propertyInterceptionInfo.Ctor,
member.Property.Getter,
member.Property.Setter,
member.Property.Name,
member.Property.ReturnType,
Crumb.This,
member.Property.ReturnType.IsArray || member.Property.ReturnType.Implements(typeof(IEnumerable)) ? member.Property.ReturnType.ChildType : null,
propertySetter == null ? null : y.NewCode().NewObj(actionObjectCtor, propertySetter)));
})
.Try(x =>
{
if (member.Property.BackingField == null)
{
var oldvalue = member.Property.Getter == null ? null : x.CreateVariable(member.Property.ReturnType);
if (oldvalue != null)
{
var getter = member.Property.Getter.Copy();
x.Call(getter.IsStatic ? null : Crumb.This, getter).StoreLocal(oldvalue);
}
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.ToBuilderType).Call(item.InterfaceSetter.OnSet, propertyField, oldvalue, Crumb.GetParameter(0));
x.IsFalse().Then(y => y.OriginalBodyNewMethod());
}
}
else
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.ToBuilderType).Call(item.InterfaceSetter.OnSet, propertyField, member.Property.BackingField, Crumb.GetParameter(0));
x.IsFalse().Then(y => y.OriginalBody());
}
}
})
.Catch(typeof(Exception), x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.ToBuilderType).Call(legalSetterInterceptors[i].InterfaceSetter.OnException, x.Exception);
}
x.Rethrow();
})
.Finally(x =>
{
for (int i = 0; i < legalSetterInterceptors.Length; i++)
{
var item = legalSetterInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Load(field).As(legalSetterInterceptors[i].InterfaceSetter.ToBuilderType).Call(legalSetterInterceptors[i].InterfaceSetter.OnExit);
}
})
.EndTry()
.Return()
.Replace();
}
private static void AddPropertyInitializeInterception(Builder builder, __PropertyInterceptionInfo propertyInterceptionInfo, PropertyBuilderInfo member, Field propertyField, Method actionObjectCtor, Method propertySetter, Dictionary <string, Field> interceptorFields)
{
var declaringType = member.Property.OriginType;
var syncRoot = new __ISyncRoot();
var legalInitInterceptors = member.InterceptorInfos.Where(x => x.InterfaceInitializer != null).ToArray();
var relevantCtors = member.Property.IsStatic ? new Method[] { declaringType.StaticConstructor } : declaringType.GetRelevantConstructors().Where(x => x.Name != ".cctor");
foreach (var ctor in relevantCtors)
{
ctor.NewCode()
.Context(x =>
{
for (int i = 0; i < legalInitInterceptors.Length; i++)
{
var item = legalInitInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Assign(field).NewObj(item.Attribute);
if (item.HasSyncRootInterface)
{
x.Load(field).As(__ISyncRoot.Type.Import()).Call(syncRoot.SyncRoot, member.SyncRoot);
}
ImplementAssignMethodAttribute(builder, legalInitInterceptors[i].AssignMethodAttributeInfos, field, x, false);
}
x.Assign(propertyField)
.NewObj(propertyInterceptionInfo.Ctor,
member.Property.Getter,
member.Property.Setter,
member.Property.Name,
member.Property.ReturnType,
Crumb.This,
member.Property.ReturnType.IsArray || member.Property.ReturnType.Implements(typeof(IEnumerable)) ? member.Property.ReturnType.ChildType : null,
propertySetter == null ? null : x.NewCode().NewObj(actionObjectCtor, propertySetter));
for (int i = 0; i < legalInitInterceptors.Length; i++)
{
var item = legalInitInterceptors[i];
var field = interceptorFields[item.Attribute.Identification];
x.Call(field, item.InterfaceInitializer.OnInitialize, propertyField, member.Property.BackingField);
}
})
.Insert(InsertionPosition.Beginning);
}
}