public NonexclusiveInterfaceDescription(LazinatorCompilation fileSet, INamedTypeSymbol t, NullableContext nullableContextSetting, ObjectDescription container)
{
string typeName = LazinatorCompilation.TypeSymbolToString(t);
NullableContextSetting = nullableContextSetting;
if (!fileSet.NonexclusiveInterfaces.Contains(typeName))
{
throw new LazinatorCodeGenException("NonexclusiveLazinator must be applied to a nonexclusive interface.");
}
Container = container;
CloneNonexclusiveLazinatorAttribute nonexclusiveLazinatorAttribute = fileSet.GetFirstAttributeOfType <CloneNonexclusiveLazinatorAttribute>(t);
if (nonexclusiveLazinatorAttribute == null)
{
throw new LazinatorCodeGenException("Expected nonexclusive self-serialize attribute.");
}
if (fileSet.PropertiesForType.ContainsKey(typeName))
{
Properties = fileSet.PropertiesForType[typeName].Select(x => new PropertyDescription(x.Property, container, NullableContextSetting, null, null, false)).ToList();
}
}
public async Task CanParseSupportedCollections()
{
LazinatorCompilation lazinatorFiles = await GetMiniRoslynFileSet(typeof(DotNetList_Lazinator));
string interfaceName = "IDotNetList_Lazinator";
var interfaceSymbol = lazinatorFiles.LookupSymbol(interfaceName);
var properties = lazinatorFiles.PropertiesForType[LazinatorCompilation.TypeSymbolToString(interfaceSymbol)];
var property = properties.First().Property;
property.Type.Name.Should().Be("List");
(property.Type is INamedTypeSymbol).Should().BeTrue();
var namedType = property.Type as INamedTypeSymbol;
namedType.TypeArguments.Count().Should().Be(1);
var typeArgument = namedType.TypeArguments[0];
typeArgument.Name.Should().Be("ExampleChild");
INamedTypeSymbol exampleChildClass = lazinatorFiles.LookupSymbol(typeArgument.Name);
exampleChildClass.IsReferenceType.Should().BeTrue();
}
private void SetPropertiesIncludingInherited(INamedTypeSymbol interfaceSymbol)
{
List <PropertyWithDefinitionInfo> propertiesWithLevel = Container.Compilation.PropertiesForType[LazinatorCompilation.TypeSymbolToString(interfaceSymbol)];
foreach (var unofficialProperty in GetUnofficialProperties(interfaceSymbol))
{
if (!propertiesWithLevel.Any(x => x.Property.MetadataName == unofficialProperty.PropertySymbol.MetadataName))
{
propertiesWithLevel.Add(new PropertyWithDefinitionInfo(unofficialProperty.PropertySymbol, PropertyWithDefinitionInfo.Level.IsDefinedThisLevel)
{
PropertyAccessibility = unofficialProperty.PropertyAccessibility
});
}
}
foreach (var baseType in Container.GetBaseLazinatorObjects())
{
List <IPropertySymbol> additionalProperties;
bool baseTypeIsIndexed = Container.Compilation.TypeToExclusiveInterface.ContainsKey(LazinatorCompilation.TypeSymbolToString(baseType.ILazinatorTypeSymbol));
if (baseTypeIsIndexed)
{
var baseExclusiveInterface = Container.Compilation.TypeToExclusiveInterface[LazinatorCompilation.TypeSymbolToString(baseType.ILazinatorTypeSymbol)];
additionalProperties = Container.Compilation.PropertiesForType[baseExclusiveInterface].Select(x => x.Property).ToList();
}
else
{
additionalProperties = new List <IPropertySymbol>();
}
foreach (var baseProperty in additionalProperties)
{
if (!propertiesWithLevel.Any(x => x.Property.MetadataName == baseProperty.MetadataName))
{
propertiesWithLevel.Add(new PropertyWithDefinitionInfo(baseProperty, PropertyWithDefinitionInfo.Level.IsDefinedLowerLevelButNotInInterface)
{
DerivationKeyword = "override "
});
}
}
// now, unofficial properties
var baseUnofficialProperties = GetUnofficialProperties(baseType.InterfaceTypeSymbol);
foreach (var unofficialProperty in baseUnofficialProperties)
{
if (!propertiesWithLevel.Any(x => x.Property.MetadataName == unofficialProperty.PropertySymbol.MetadataName))
{
propertiesWithLevel.Add(new PropertyWithDefinitionInfo(unofficialProperty.PropertySymbol, PropertyWithDefinitionInfo.Level.IsDefinedLowerLevelButNotInInterface)
{
DerivationKeyword = "override ", PropertyAccessibility = unofficialProperty.PropertyAccessibility
});
}
}
}
var firstProblem = propertiesWithLevel.FirstOrDefault(x => !RoslynHelpers.ParentAndChildShareNullabilityContext(NullableContextSetting, x.Property.GetNullableContextForSymbol(Compilation, true)));
if (firstProblem != null)
{
throw new LazinatorCodeGenException($"Lazinator requires properties of an interface to have the same nullability context as the interface itself. {NamedTypeSymbol} has nullability context {NullableContextSetting} while {firstProblem.Property} has nullability context {firstProblem.Property.GetNullableContextForSymbol(Compilation, true)}");
}
var orderedPropertiesWithLevel = propertiesWithLevel.Select(x => new { propertyWithLevel = x, description = new PropertyDescription(x.Property, Container, NullableContextSetting, x.DerivationKeyword, x.PropertyAccessibility, false) })
.OrderByDescending(x => x.description.PropertyType == LazinatorPropertyType.PrimitiveType || x.description.PropertyType == LazinatorPropertyType.PrimitiveTypeNullable) // primitive properties are always first (but will only be redefined if defined abstractly below)
.ThenBy(x => x.propertyWithLevel.LevelInfo == PropertyWithDefinitionInfo.Level.IsDefinedThisLevel)
.ThenBy(x => x.description.RelativeOrder)
.ThenBy(x => x.description.PropertyName).ToList();
var last = orderedPropertiesWithLevel.LastOrDefault();
if (last != null)
{
last.description.IsLast = true;
}
// A property that ends with "_Dirty" is designed to track dirtiness of another property. We will thus treat it specially.
var dirtyPropertiesWithLevel = propertiesWithLevel.Where(x => x.Property.Name.EndsWith("_Dirty")).ToList();
if (dirtyPropertiesWithLevel.Any(x => (x.Property.Type as INamedTypeSymbol)?.Name != "Boolean"))
{
throw new LazinatorCodeGenException($"Property ending with _Dirty must be of type bool.");
}
PropertiesIncludingInherited = new List <PropertyDescription>();
PropertiesToDefineThisLevel = new List <PropertyDescription>();
PropertiesInherited = new List <PropertyDescription>();
foreach (var orderedProperty in orderedPropertiesWithLevel)
{
if (orderedProperty.propertyWithLevel.LevelInfo ==
PropertyWithDefinitionInfo.Level.IsDefinedInLowerLevelInterface)
{
orderedProperty.description.IsDefinedInLowerLevelInterface = true;
orderedProperty.description.DerivationKeyword = "override ";
}
if (!dirtyPropertiesWithLevel.Any(x => x.Property.Name == orderedProperty.propertyWithLevel.Property.Name))
{ // this is not itself a "_Dirty" property, though it may have a corresponding _Dirty property.
PropertiesIncludingInherited.Add(orderedProperty.description);
if (orderedProperty.propertyWithLevel.LevelInfo == PropertyWithDefinitionInfo.Level.IsDefinedThisLevel ||
(
!Container.IsAbstract // if we have two consecutive abstract classes, we don't want to repeat the abstract properties
&&
!Container.GetBaseLazinatorObjects().Any(x => !x.IsAbstract && x.PropertiesToDefineThisLevel.Any(y => y.PropertyName == orderedProperty.description.PropertyName)))
)
{
PropertiesToDefineThisLevel.Add(orderedProperty.description);
}
else
{
PropertiesInherited.Add(orderedProperty.description);
}
}
}
// for each _dirty property, set TrackDirtinessNonSerialized on the corresponding property.
foreach (var dirtyWithLevel in dirtyPropertiesWithLevel)
{
var match = PropertiesIncludingInherited.SingleOrDefault(x => x.PropertyName + "_Dirty" == dirtyWithLevel.Property.Name);
if (match == null)
{
throw new LazinatorCodeGenException(
$"Property ending with _Dirty must have a corresponding property without the ending.");
}
if (!match.IsNonLazinatorType)
{
throw new LazinatorCodeGenException(
$"Property ending with _Dirty must correspond to a nonserialized property without the ending (not to a Lazinator or primitive type).");
}
match.TrackDirtinessNonSerialized = true;
match = PropertiesToDefineThisLevel.SingleOrDefault(x => x.PropertyName + "_Dirty" == dirtyWithLevel.Property.Name);
if (match != null)
{
match.TrackDirtinessNonSerialized = true;
}
}
}