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> 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>());
}
private void AddInstanceExpr(ITypeReference type, IExpression expr)
{
Contract.Requires(type != null);
Contract.Requires(expr != null);
Contract.Ensures(InstanceExpressions.ContainsKey(type));
Contract.Ensures(InstanceExpressions[type].Contains(expr));
Contract.Ensures(InstanceExpressionsReferredTypes.ContainsKey(expr));
Contract.Ensures(InstanceExpressionsReferredTypes[expr] == type);
if (!InstanceExpressions.ContainsKey(type))
{
InstanceExpressions.Add(type, new HashSet <IExpression>());
}
InstanceExpressions[type].Add(expr);
if (!InstanceExpressionsReferredTypes.ContainsKey(expr))
{
InstanceExpressionsReferredTypes.Add(expr, type);
}
else
{
Debug.Assert(InstanceExpressionsReferredTypes[expr] == type);
}
}
