/// <summary>
/// Wraps a call to GetTypeContractFor inside of a try-catch statement.
/// </summary>
public static bool TryGetTypeContract(CodeContractAwareHostEnvironment host, ITypeReference type, out ITypeContract typeContract, DocTracker docTracker)
{
Contract.Requires(host != null);
Contract.Requires(type != null);
Contract.Ensures(!Contract.Result <bool>() || Contract.ValueAtReturn(out typeContract) != null);
try {
var unit = TypeHelper.GetDefiningUnit(type.ResolvedType);
if (unit == null)
{
typeContract = null;
}
else
{
IContractProvider lcp = host.GetContractExtractor(unit.UnitIdentity);
if (lcp == null)
{
typeContract = null;
}
else
{
typeContract = lcp.GetTypeContractFor(type);
}
}
} catch (NullReferenceException) {
docTracker.WriteLine("ERROR: NullReferenceException was thrown in CCI!");
typeContract = null;
}
return(typeContract != null);
}
/// <summary>
/// Traverses the children of the type definition.
/// </summary>
public override void TraverseChildren(ITypeDefinition typeDefinition)
{
base.TraverseChildren(typeDefinition);
if (StopTraversal)
{
return;
}
if (contractProvider == null)
{
return;
}
var /*?*/ typeContract = contractProvider.GetTypeContractFor(typeDefinition);
if (typeContract != null)
{
Traverse(typeContract);
}
}
public ITypeContract TypeContract()
{
return(contractProvider.GetTypeContractFor(typeDefinition));
}