public HashSet <string> InstanceNames(INamedTypeDefinition type)
{
Contract.Requires(type != null);
Contract.Ensures(Contract.Result <HashSet <string> >() != null);
Contract.Ensures((!InstanceExpressions.ContainsKey(type)).Implies(Contract.Result <HashSet <string> >().Count == 0));
Contract.Ensures(Contract.ForAll(Contract.Result <HashSet <string> >(), n => NameTable.ContainsValue(n)));
return(InstanceExpressions.ContainsKey(type) ?
new HashSet <string>(InstanceExpressions[type].Select(x => NameTable[x])) :
new HashSet <string>());
}
public HashSet <string> InstanceNames()
{
Contract.Ensures(Contract.Result <HashSet <string> >() != null);
Contract.Ensures(Contract.ForAll(Contract.Result <HashSet <string> >(), n => NameTable.ContainsValue(n)));
HashSet <string> result = new HashSet <string>();
foreach (var typeRef in InstanceExpressions.Keys)
{
if (typeRef is INamedTypeDefinition)
{
result.UnionWith(InstanceNames((INamedTypeDefinition)typeRef));
}
}
return(result);
}
public HashSet <string> NamesForType(ITypeReference type, HashSet <IExpression> exprs)
{
Contract.Requires(type != null);
Contract.Requires(exprs != null);
Contract.Requires(InstanceExpressions.ContainsKey(type));
Contract.Ensures(Contract.ForAll(Contract.Result <HashSet <string> >(), n => NameTable.ContainsValue(n)));
return(new HashSet <string>(Names(InstanceExpressions[type].Intersect(exprs))));
}
public HashSet <string> ThisNames()
{
Contract.Ensures(Contract.Result <HashSet <string> >() != null);
Contract.Ensures(Contract.ForAll(Contract.Result <HashSet <string> >(), n => NameTable.ContainsValue(n)));
return(InstanceNames(Type));
}
public IEnumerable <string> Names(IEnumerable <IExpression> exprs)
{
Contract.Requires(exprs != null);
Contract.Ensures(Contract.ForAll(Contract.Result <IEnumerable <string> >(), n => NameTable.ContainsValue(n)));
foreach (var e in exprs)
{
if (NameTable.ContainsKey(e))
{
yield return(NameTable[e]);
}
}
}