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();
}
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 WriteIntegerRange(ILWriter writer, PropertyInfo property, IntegerRangeAttribute integerRangeAttribute)
{
var validationKind = ValidationKind.IntegerRange;
var signedSet = new HashSet <Type>()
{
typeof(sbyte),
typeof(short),
typeof(int),
typeof(long)
};
var unsignedSet = new HashSet <Type>()
{
typeof(byte),
typeof(ushort),
typeof(uint),
typeof(ulong)
};
LocalBuilder local;
if (signedSet.Contains(property.PropertyType))
{
local = writer.DeclareLocal <long>();
}
else if (unsignedSet.Contains(property.PropertyType))
{
local = writer.DeclareLocal <ulong>();
}
else
{
WriteNotApplicableResult(writer, validationKind);
writer.Return();
return;
}
writer.LoadFirstParameter();
writer.GetPropertyValue(property);
writer.Cast(property.PropertyType, local.LocalType);
writer.SetLocal(local);
if (integerRangeAttribute.HasMinimum && integerRangeAttribute.HasMaximum)
{
if (integerRangeAttribute.Minimum > integerRangeAttribute.Maximum)
{
var message = CommonErrors.IntegerRangeValidationHasMinGreaterThanMax.WithValues(property.ReflectedType.Name, property.Name);
throw new IncorrectValidationAttributeException(typeof(IntegerRangeAttribute), message);
}
}
if (integerRangeAttribute.HasMinimum)
{
writer.LoadLocal(local);
writer.LoadInt64(integerRangeAttribute.Minimum);
var isGreaterThanOrEqual = writer.IfLessThan();
WriteFailureResult(writer, validationKind, CommonResults.IntegerPropertyIsTooLow.WithValues(property.ReflectedType.Name, property.Name, integerRangeAttribute.Minimum));
writer.Return();
writer.MarkLabel(isGreaterThanOrEqual);
}
if (integerRangeAttribute.HasMaximum)
{
writer.LoadLocal(local);
writer.LoadInt64(integerRangeAttribute.Maximum);
var isLessThanOrEqual = writer.IfGreaterThan();
WriteFailureResult(writer, validationKind, CommonResults.IntegerPropertyIsTooHigh.WithValues(property.ReflectedType.Name, property.Name, integerRangeAttribute.Maximum));
writer.Return();
writer.MarkLabel(isLessThanOrEqual);
}
}