/// <summary>
/// Checks if an applied attribute with the given attributeType matches the namespace name and type name of the given early attribute's description
/// and the attribute description has a signature with parameter count equal to the given attributeArgCount.
/// NOTE: We don't allow early decoded attributes to have optional parameters.
/// </summary>
internal static bool IsTargetEarlyAttribute(
INamedTypeSymbolInternal attributeType,
int attributeArgCount,
AttributeDescription description
)
{
if (attributeType.ContainingSymbol?.Kind != SymbolKind.Namespace)
{
return(false);
}
int attributeCtorsCount = description.Signatures.Length;
for (int i = 0; i < attributeCtorsCount; i++)
{
int parameterCount = description.GetParameterCount(signatureIndex: i);
// NOTE: Below assumption disallows early decoding well-known attributes with optional parameters.
if (attributeArgCount == parameterCount)
{
StringComparison options = description.MatchIgnoringCase
? StringComparison.OrdinalIgnoreCase
: StringComparison.Ordinal;
return(attributeType.Name.Equals(description.Name, options) &&
namespaceMatch(
attributeType.ContainingNamespace,
description.Namespace,
options
));
}
}
return(false);
// compares by namespace and type name, ignores signatures
private static bool EarlyDecodeIsTargetAttribute(NamedTypeSymbol attributeType, AttributeSyntax attributeSyntax, AttributeDescription description, bool skipParamCheck = false)
{
if (!skipParamCheck)
{
int parameterCount = description.GetParameterCount(signatureIndex: 0);
int argumentCount = (attributeSyntax.ArgumentList != null) ? attributeSyntax.ArgumentList.Arguments.Count : 0;
if (argumentCount != parameterCount)
{
return false;
}
}
Debug.Assert(!attributeType.IsErrorType());
string actualNamespaceName = attributeType.ContainingNamespace.ToDisplayString(SymbolDisplayFormat.QualifiedNameOnlyFormat);
return actualNamespaceName.Equals(description.Namespace) && attributeType.Name.Equals(description.Name);
}
// compares by namespace and type name, ignores signatures
private static bool EarlyDecodeIsTargetAttribute(NamedTypeSymbol attributeType, AttributeSyntax attributeSyntax, AttributeDescription description, bool skipParamCheck = false)
{
if (!skipParamCheck)
{
int parameterCount = description.GetParameterCount(signatureIndex: 0);
int argumentCount = (attributeSyntax.ArgumentList != null) ? attributeSyntax.ArgumentList.Arguments.Count : 0;
if (argumentCount != parameterCount)
{
return(false);
}
}
Debug.Assert(!attributeType.IsErrorType());
string actualNamespaceName = attributeType.ContainingNamespace.ToDisplayString(SymbolDisplayFormat.QualifiedNameOnlyFormat);
return(actualNamespaceName.Equals(description.Namespace) && attributeType.Name.Equals(description.Name));
}
/// <summary>
/// Checks if an applied attribute with the given attributeType matches the namespace name and type name of the given early attribute's description
/// and the attribute description has a signature with parameter count equal to the given attributeArgCount.
/// NOTE: We don't allow early decoded attributes to have optional parameters.
/// </summary>
internal static bool IsTargetEarlyAttribute(INamedTypeSymbol attributeType, int attributeArgCount, AttributeDescription description)
{
int attributeCtorsCount = description.Signatures.Length;
for (int i = 0; i < attributeCtorsCount; i++)
{
int parameterCount = description.GetParameterCount(signatureIndex: i);
// NOTE: Below assumption disallows early decoding well-known attributes with optional parameters.
if (attributeArgCount == parameterCount)
{
string actualNamespaceName = attributeType.ContainingNamespace.ToDisplayString(SymbolDisplayFormat.QualifiedNameOnlyFormat);
StringComparison options = description.MatchIgnoringCase ? StringComparison.OrdinalIgnoreCase : StringComparison.Ordinal;
return(actualNamespaceName.Equals(description.Namespace, options) && attributeType.Name.Equals(description.Name, options));
}
}
return(false);
}
