private static void HandleObjectCreation(SyntaxNodeAnalysisContext context)
{
var objectCreation = context.Node as ObjectCreationExpressionSyntax;
if (objectCreation == null ||
objectCreation.IsMissing)
{
return;
}
ArgumentSyntax defaultValueArg;
if (!PropertyMetaData.TryGetDefaultValue(
objectCreation,
context.SemanticModel,
context.CancellationToken,
out defaultValueArg))
{
return;
}
var defaultValue = defaultValueArg.Expression;
if (IsNonEmptyArrayCreation(defaultValue as ArrayCreationExpressionSyntax, context) ||
IsReferenceTypeCreation(defaultValue as ObjectCreationExpressionSyntax, context))
{
IFieldSymbol dp;
if (!PropertyMetaData.TryGetDependencyProperty(objectCreation, context.SemanticModel, context.CancellationToken, out dp))
{
return;
}
context.ReportDiagnostic(Diagnostic.Create(Descriptor, defaultValueArg.GetLocation(), dp));
}
}
private static void HandleObjectCreation(SyntaxNodeAnalysisContext context)
{
var objectCreation = context.Node as ObjectCreationExpressionSyntax;
if (objectCreation == null ||
objectCreation.IsMissing)
{
return;
}
ArgumentSyntax defaultValueArg;
if (!PropertyMetaData.TryGetDefaultValue(
objectCreation,
context.SemanticModel,
context.CancellationToken,
out defaultValueArg))
{
return;
}
var defaultValue = defaultValueArg.Expression;
if (defaultValue.IsSameType(KnownSymbol.Object, context))
{
return;
}
IFieldSymbol dp;
if (!PropertyMetaData.TryGetDependencyProperty(objectCreation, context.SemanticModel, context.CancellationToken, out dp))
{
return;
}
ITypeSymbol registeredType;
if (!DependencyProperty.TryGetRegisteredType(dp, context.SemanticModel, context.CancellationToken, out registeredType))
{
return;
}
if (!registeredType.IsRepresentationPreservingConversion(defaultValue, context.SemanticModel, context.CancellationToken))
{
context.ReportDiagnostic(Diagnostic.Create(Descriptor, defaultValueArg.GetLocation(), dp, registeredType));
}
}
private static void HandleObjectCreation(SyntaxNodeAnalysisContext context)
{
if (context.IsExcludedFromAnalysis())
{
return;
}
var objectCreation = context.Node as ObjectCreationExpressionSyntax;
if (objectCreation == null ||
objectCreation.IsMissing)
{
return;
}
if (!PropertyMetaData.TryGetDefaultValue(
objectCreation,
context.SemanticModel,
context.CancellationToken,
out ArgumentSyntax defaultValueArg))
{
return;
}
var defaultValue = defaultValueArg.Expression;
if (IsNonEmptyArrayCreation(defaultValue as ArrayCreationExpressionSyntax, context) ||
IsReferenceTypeCreation(defaultValue as ObjectCreationExpressionSyntax, context))
{
var type = context.SemanticModel.GetSymbolSafe(defaultValue, context.CancellationToken)?.ContainingType;
if (type == KnownSymbol.FontFamily)
{
return;
}
if (!PropertyMetaData.TryGetDependencyProperty(objectCreation, context.SemanticModel, context.CancellationToken, out IFieldSymbol dp))
{
return;
}
context.ReportDiagnostic(Diagnostic.Create(Descriptor, defaultValueArg.GetLocation(), dp));
}
}
