private (List <string> strings, int count) GetSubPropertyOutput(PropertyDetails property, SemanticModel semModel)
{
var result = new List <string>();
var subProperties = this.GetAllPublicProperties(property.Symbol, semModel);
var numericSubstitute = 0;
if (subProperties.Any())
{
Logger?.RecordInfo(StringRes.Info_SubpropertyCount.WithParams(property.Name, subProperties.Count));
foreach (var subprop in subProperties)
{
Logger?.RecordInfo(StringRes.Info_GettingSubPropertyOutput.WithParams(subprop.Name));
var(output, counter) = this.GetSubPropertyOutputAndCounter(subprop.Name, numericSubstitute: numericSubstitute);
numericSubstitute = counter;
result.Add(output);
}
}
else
{
Logger?.RecordInfo(StringRes.Info_PropertyTypeHasNoSubProperties.WithParams(property.Name, property.PropertyType));
// There are no subproperties so leave blank
var(output, counter) = this.GetSubPropertyOutputAndCounter(string.Empty, numericSubstitute: numericSubstitute);
numericSubstitute = counter;
result.Add(output);
}
return(result, numericSubstitute);
}
private ITypeSymbol GetTypeSymbol(SemanticModel semModel, PropertyDeclarationSyntax prop, PropertyDetails propDetails)
{
ITypeSymbol typeSymbol = null;
ITypeSymbol GetWithFallback(TypeSyntax ts, SemanticModel sm, SyntaxTree tree)
{
ITypeSymbol result;
try
{
result = sm.GetTypeInfo(ts).Type;
}
catch (Exception)
{
// By default, the semanticmodel passed into this method is the one for the active document.
// If the type is in another file, generate a new model to use to look up the typeinfo. Don't do this by default as it's expensive.
var localSemModel = CSharpCompilation.Create(string.Empty).AddSyntaxTrees(tree).GetSemanticModel(tree, ignoreAccessibility: true);
result = localSemModel.GetTypeInfo(ts).Type;
}
return(result);
}
if (propDetails.PropertyType.IsGenericTypeName())
{
Logger?.RecordInfo(StringRes.Info_GettingGenericType);
if (prop.Type is GenericNameSyntax gns)
{
var t = gns.TypeArgumentList.Arguments.First();
typeSymbol = GetWithFallback(t, semModel, prop.SyntaxTree);
}
else if (prop.Type is QualifiedNameSyntax qns)
{
var t = ((GenericNameSyntax)qns.Right).TypeArgumentList.Arguments.First();
typeSymbol = GetWithFallback(t, semModel, prop.SyntaxTree);
}
else
{
Logger?.RecordInfo(StringRes.Info_PropertyTypeNotRecognizedAsGeneric.WithParams(propDetails.PropertyType));
}
}
if (typeSymbol == null)
{
typeSymbol = GetWithFallback(prop.Type, semModel, prop.SyntaxTree);
}
if (typeSymbol == null)
{
Logger?.RecordInfo(StringRes.Info_PropertyCannotBeAnalyzed.WithParams(prop.ToString()));
}
return(typeSymbol);
}
private (string output, string name, int counter) GetOutputToAdd(SemanticModel semModel, PropertyDetails prop, int numericCounter = 0)
{
var(output, counter) = this.GetPropertyOutputAndCounter(prop, numericCounter, semModel, () => this.GetSubPropertyOutput(prop, semModel));
return(output, prop.Name, counter);
}
private PropertyDetails GetPropertyDetails(PropertyDeclarationSyntax propertyDeclaration, SemanticModel semModel)
{
var propertyType = Unknown;
switch (propertyDeclaration.Type)
{
case GenericNameSyntax gns:
propertyType = gns.ToString(); // Lazy way to get generic types
break;
case PredefinedTypeSyntax pds:
propertyType = pds.Keyword.ValueText;
break;
case IdentifierNameSyntax ins:
propertyType = ins.Identifier.ValueText;
break;
case QualifiedNameSyntax qns:
propertyType = qns.Right.Identifier.ValueText;
if (qns.Right is GenericNameSyntax qgns)
{
propertyType += qgns.TypeArgumentList.ToString();
}
break;
case NullableTypeSyntax nts:
propertyType = ((PredefinedTypeSyntax)nts.ElementType).Keyword.Text;
if (!propertyType.ToLowerInvariant().Contains("nullable"))
{
propertyType += nts.QuestionToken.Text;
}
break;
case ArrayTypeSyntax ats:
propertyType = ats.ToString();
break;
}
var propertyName = this.GetIdentifier(propertyDeclaration);
bool?propIsReadOnly;
var setter = propertyDeclaration?.AccessorList?.Accessors
.FirstOrDefault(a => a.RawKind == (ushort)SyntaxKind.SetAccessorDeclaration);
if (setter == null)
{
propIsReadOnly = true;
}
else
{
var setterModifiers = setter.Modifiers;
propIsReadOnly = setterModifiers.Any(m => m.Kind() == SyntaxKind.PrivateKeyword);
}
var pd = new PropertyDetails
{
Name = propertyName,
PropertyType = propertyType,
IsReadOnly = propIsReadOnly ?? false,
};
foreach (var attribList in propertyDeclaration.AttributeLists)
{
foreach (var attrib in attribList.Attributes)
{
var att = new AttributeDetails
{
Name = attrib.Name.ToString(),
};
var count = 1;
foreach (var arg in attrib.ArgumentList.Arguments)
{
string name = null;
string value = null;
if (arg?.NameColon != null)
{
name = arg.NameColon.Name.ToString();
value = ((arg.NameColon.Parent as AttributeArgumentSyntax).Expression as IdentifierNameSyntax).Identifier.Value.ToString();
}
else if (arg?.NameEquals != null)
{
name = arg.NameEquals.Name.ToString();
value = ((arg.NameEquals.Parent as AttributeArgumentSyntax).Expression as IdentifierNameSyntax).Identifier.Value.ToString();
}
else
{
value = arg.ToString();
}
att.Arguments.Add(new AttributeArgumentDetails
{
Index = count++,
Name = name,
Value = value,
});
}
pd.Attributes.Add(att);
}
}
Logger?.RecordInfo(StringRes.Info_IdentifiedPropertySummary.WithParams(pd.Name, pd.PropertyType, pd.IsReadOnly));
ITypeSymbol typeSymbol = this.GetTypeSymbol(semModel, propertyDeclaration, pd);
pd.Symbol = typeSymbol;
return(pd);
}
private ITypeSymbol GetTypeSymbol(SemanticModel semModel, BasePropertyDeclarationSyntax prop, PropertyDetails propDetails)
{
ITypeSymbol typeSymbol = null;
if (propDetails.PropertyType.IsGenericTypeName())
{
Logger?.RecordInfo(StringRes.Info_GettingGenericType);
if (prop.Type is GenericNameSyntax gns)
{
typeSymbol = this.GetTypeSymbolWithFallback(gns, semModel, prop.SyntaxTree);
}
else if (prop.Type is QualifiedNameSyntax qns)
{
var t = ((GenericNameSyntax)qns.Right).TypeArgumentList.Arguments.First();
typeSymbol = this.GetTypeSymbolWithFallback(t, semModel, prop.SyntaxTree);
}
else
{
Logger?.RecordInfo(StringRes.Info_PropertyTypeNotRecognizedAsGeneric.WithParams(propDetails.PropertyType));
}
}
if (typeSymbol == null)
{
typeSymbol = this.GetTypeSymbolWithFallback(prop.Type, semModel, prop.SyntaxTree);
}
if (typeSymbol == null)
{
Logger?.RecordInfo(StringRes.Info_PropertyCannotBeAnalyzed.WithParams(prop.ToString()));
}
return(typeSymbol);
}
protected override PropertyDetails GetPropertyDetails(SyntaxNode propertyDeclaration, SemanticModel semModel)
{
var propertyType = Unknown;
string propertyName = null;
AccessorDeclarationSyntax setter = null;
SyntaxList <AttributeListSyntax> attributeList;
if (propertyDeclaration is PropertyDeclarationSyntax propDecSyntax)
{
switch (propDecSyntax.Type)
{
case GenericNameSyntax gns:
propertyType = gns.ToString(); // Lazy way to get generic types
break;
case PredefinedTypeSyntax pds:
propertyType = pds.Keyword.ValueText;
break;
case IdentifierNameSyntax ins:
propertyType = ins.Identifier.ValueText;
break;
case QualifiedNameSyntax qns:
propertyType = qns.ToString();
break;
case NullableTypeSyntax nts:
switch (nts.ElementType)
{
case PredefinedTypeSyntax npts:
propertyType = npts.Keyword.Text;
break;
case IdentifierNameSyntax nins:
propertyType = nins.Identifier.ValueText;
break;
case QualifiedNameSyntax nqns:
propertyType = nqns.ToString();
if (nqns.Right is GenericNameSyntax qngns)
{
propertyType += qngns.TypeArgumentList.ToString();
}
break;
}
if (!propertyType.ToLowerInvariant().Contains("nullable"))
{
propertyType += nts.QuestionToken.Text;
}
break;
case ArrayTypeSyntax ats:
propertyType = ats.ToString();
break;
case TupleTypeSyntax tts:
propertyType = "Tuple";
break;
}
propertyName = this.GetIdentifier(propertyDeclaration);
setter = propDecSyntax?.AccessorList?.Accessors.FirstOrDefault(a => a.RawKind == (ushort)SyntaxKind.SetAccessorDeclaration);
attributeList = propDecSyntax.AttributeLists;
}
else
{
Logger?.RecordInfo(StringRes.Info_UnexpectedPropertyType.WithParams(propertyDeclaration.GetType()));
}
bool?propIsReadOnly;
if (setter == null)
{
propIsReadOnly = true;
}
else
{
var setterModifiers = setter.Modifiers;
propIsReadOnly = setterModifiers.Any(m => m.Kind() == SyntaxKind.PrivateKeyword);
}
var pd = new PropertyDetails
{
Name = propertyName,
PropertyType = propertyType,
IsReadOnly = propIsReadOnly ?? false,
};
pd.Attributes.AddRange(this.GetAttributeDetails(attributeList));
Logger?.RecordInfo(StringRes.Info_IdentifiedPropertySummary.WithParams(pd.Name, pd.PropertyType, pd.IsReadOnly));
ITypeSymbol typeSymbol = this.GetTypeSymbol(semModel, propertyDeclaration as BasePropertyDeclarationSyntax, pd);
pd.Symbol = typeSymbol;
return(pd);
}