private void WriteCustomValidation(ILWriter writer, PropertyInfo property, CustomValidationAttribute customValidationAttribute)
{
var validationKind = ValidationKind.Custom;
var validatorType = typeof(ICustomValidator <>).MakeGenericType(property.PropertyType);
if (!customValidationAttribute.ValidatorType.CanBe(validatorType))
{
var message = CommonErrors.CustomValidatorMustBeOfType.WithValues(property.ReflectedType.Name, property.Name, property.PropertyType.Name);
throw new IncorrectValidationAttributeException(typeof(CustomValidationAttribute), message);
}
var localValidator = writer.DeclareLocal(validatorType);
writer.New(customValidationAttribute.ValidatorType);
writer.SetLocal(localValidator);
var validate = KnownMetadata.Methods.ICustomValidator_OfType(property.PropertyType);
writer.LoadLocal(localValidator);
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.InstanceMethodCall(validate);
var end = writer.IfFalseThen();
WriteFailureResult(writer, validationKind, CommonResults.CustomValidationDidNotSucceed.WithValues(property.ReflectedType.Name, property.Name));
writer.Return();
writer.MarkLabel(end);
}
void WriteTranslatorBody <TFrom, TTo>(ILWriter writer)
{
var sourceProperties = typeof(TFrom).GetPublicPropertiesWithGetter();
var targetProperties = typeof(TTo).GetPublicPropertiesWithSetter().ToDictionary(p => p.Name);
var targetedSourceProperties = sourceProperties.GetTranslatableProperties <TTo>();
if (targetProperties.Count == 0)
{
writer.ReturnNull();
return;
}
var localTargetInstance = writer.DeclareLocal <TTo>();
writer.New <TTo>();
writer.SetLocal(localTargetInstance);
foreach (var sourceProperty in sourceProperties)
{
var explicitMapping = GetExplicitMappingIfPresent <TTo>(sourceProperty);
var targetName = (explicitMapping == null) ? sourceProperty.Name : explicitMapping.PropertyName;
if (!targetProperties.ContainsKey(targetName))
{
if (this.shouldThrowExceptions)
{
throw new PropertyIsMissingException();
}
continue;
}
var targetProperty = targetProperties[targetName];
var propertiesAreSameType = sourceProperty.PropertyType == targetProperty.PropertyType;
if (!propertiesAreSameType && !sourceProperty.PropertyType.HasConversionTo(targetProperty.PropertyType))
{
if (this.shouldThrowExceptions)
{
throw new PropertyTypeMismatchException();
}
continue;
}
var localSourceValue = writer.DeclareLocal(sourceProperty.PropertyType);
writer.LoadFirstParameter();
writer.GetPropertyValue(sourceProperty);
writer.SetLocal(localSourceValue);
writer.LoadLocal(localTargetInstance);
writer.LoadLocal(localSourceValue);
if (!propertiesAreSameType)
{
writer.Cast(sourceProperty.PropertyType, targetProperty.PropertyType);
}
writer.SetPropertyValue(targetProperty);
}
writer.LoadLocal(localTargetInstance);
writer.Return();
writer.VerifyStack();
}
private void WriteLogBody(ILWriter writer, Type type, MemberInfo[] loggableMembers)
{
var localTypedInstance = writer.DeclareLocal(type);
writer.LoadFirstParameter();
writer.Cast(typeof(object), type);
writer.SetLocal(localTypedInstance);
//TODO: Recurse into loggable members
foreach (var member in loggableMembers)
{
var logAttributes = member.GetCustomAttributes <LogAttribute>().ToArray();
if (logAttributes.Length == 0)
{
continue;
}
//TODO: Support multiple attributes per member
var attribute = logAttributes[0];
if (attribute.Ignore)
{
continue;
}
if (CanWriteToLog(attribute.Visibility))
{
LocalBuilder localValue;
LocalBuilder localLogItem = writer.DeclareLocal <CustomLoggableMember>();
switch (member.MemberType)
{
case MemberTypes.Field:
var field = (FieldInfo)member;
localValue = writer.DeclareLocal(field.FieldType);
writer.LoadLocal(localTypedInstance);
writer.LoadField(field);
writer.SetLocal(localValue);
break;
case MemberTypes.Property:
var property = (PropertyInfo)member;
localValue = writer.DeclareLocal(property.PropertyType);
writer.LoadLocal(localTypedInstance);
writer.GetPropertyValue(property);
writer.SetLocal(localValue);
break;
default:
var message = String.Format("Encountered loggable member '{0}' that was not supported in IL generation", member.Name);
System.Diagnostics.Debug.Fail(message);
throw new ILGenerationException(message);
}
writer.New <CustomLoggableMember>();
writer.SetLocal(localLogItem);
writer.LoadLocal(localLogItem);
writer.LoadInt32((int)attribute.Visibility);
writer.SetPropertyValue(typeof(CustomLoggableMember).GetProperty("MemberVisibility"));
writer.LoadLocal(localLogItem);
writer.TypeOf(type);
writer.Cast(localValue.LocalType, typeof(Type));
writer.SetPropertyValue(KnownMetadata.Properties.CustomLoggableMember_OwningType);
writer.LoadLocal(localLogItem);
writer.LoadString(member.Name);
writer.SetPropertyValue(KnownMetadata.Properties.CustomLoggableMember_MemberName);
writer.LoadLocal(localLogItem);
writer.TypeOf(localValue.LocalType);
writer.Cast(localValue.LocalType, typeof(Type));
writer.SetPropertyValue(KnownMetadata.Properties.CustomLoggableMember_MemberType);
writer.LoadLocal(localLogItem);
writer.LoadLocal(localValue);
writer.SetPropertyValue(KnownMetadata.Properties.CustomLoggableMember_MemberValue);
writer.LoadSecondParameter();
writer.LoadLocal(localLogItem);
writer.ActionDelegateMethodCall <CustomLoggableMember>();
}
}
writer.Return();
}
