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));
}
}
private static void HandleObjectCreation(SyntaxNodeAnalysisContext context)
{
var objectCreation = context.Node as ObjectCreationExpressionSyntax;
if (context.SemanticModel == null ||
objectCreation == null ||
objectCreation.IsMissing)
{
return;
}
ArgumentSyntax callback;
if (!PropertyMetaData.TryGetPropertyChangedCallback(
objectCreation,
context.SemanticModel,
context.CancellationToken,
out callback))
{
return;
}
IdentifierNameSyntax nameExpression;
string registeredName;
if (TryGetIdentifierAndRegisteredName(
callback,
context.SemanticModel,
context.CancellationToken,
out nameExpression,
out registeredName))
{
if (!nameExpression.Identifier.ValueText.IsParts("On", registeredName, "Changed"))
{
context.ReportDiagnostic(Diagnostic.Create(Descriptor, nameExpression.GetLocation(), nameExpression, $"On{registeredName}Changed"));
}
}
}
private static void HandleObjectCreation(SyntaxNodeAnalysisContext context)
{
if (context.IsExcludedFromAnalysis())
{
return;
}
var objectCreation = context.Node as ObjectCreationExpressionSyntax;
if (objectCreation == null || objectCreation.IsMissing)
{
return;
}
if (!PropertyMetaData.TryGetCoerceValueCallback(
objectCreation,
context.SemanticModel,
context.CancellationToken,
out ArgumentSyntax callback))
{
return;
}
if (TryGetIdentifierAndRegisteredName(
callback,
context.SemanticModel,
context.CancellationToken,
out IdentifierNameSyntax nameExpression,
out string registeredName))
{
if (!nameExpression.Identifier.ValueText.IsParts("Coerce", registeredName))
{
context.ReportDiagnostic(Diagnostic.Create(Descriptor, nameExpression.GetLocation(), nameExpression, $"Coerce{registeredName}"));
}
}
}