public static bool HasAnyPrecondition(this IParameterSymbol @this, SemanticModel model)
{
if (@this == null)
{
throw new ArgumentNullException(nameof(@this));
}
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
return(@this
.DeclaredAndInheritedAttributes()
.Any(a => a.IsContractAttribute(model)));
}
public static IEnumerable <Contract> GetPreconditions(this IParameterSymbol @this, SemanticModel model, IContractProvider contractProvider)
{
if (@this == null)
{
throw new ArgumentNullException(nameof(@this));
}
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (contractProvider == null)
{
throw new ArgumentNullException(nameof(contractProvider));
}
return(@this
.DeclaredAndInheritedAttributes()
.Where(a => a.IsContractAttribute(model))
.Select(a => contractProvider[a.AttributeClass.Name.ToString().Trim()]));
}
