public ScrubContractClass(ExtractorVisitor parent, Class contractClass, TypeNode originalType)
{
Contract.Requires(TypeNode.IsCompleteTemplate(contractClass));
Contract.Requires(TypeNode.IsCompleteTemplate(originalType));
this.parent = parent;
this.contractClass = contractClass;
this.abstractClass = originalType;
}
private AutoPropFinder(ExtractorVisitor parent, TypeNode containingType, Expression invariantCondition)
{
this.parent = parent;
this.containingType = HelperMethods.Unspecialize(containingType);
this.invariantCondition = invariantCondition;
}
public static List<Property> FindAutoProperty(ExtractorVisitor parent, TypeNode containingType,
Expression expression, out List<Member> referencedMembers)
{
var v = new AutoPropFinder(parent, containingType, expression);
v.VisitExpression(expression);
referencedMembers = v.referencedMembers;
return v.foundAutoProperties;
}
public static void Transform(ExtractorVisitor parent, Property autoProp, Invariant invariant,
out Requires req, out Ensures ens)
{
var makeReq = new ChangePropertyInvariantIntoRequiresEnsures(parent, autoProp);
req = makeReq.MakeRequires(invariant.Condition);
var makeEns = new ChangePropertyInvariantIntoRequiresEnsures(parent, autoProp);
ens = makeEns.MakeEnsures(invariant.Condition);
ens.SourceContext = invariant.SourceContext;
ens.PostCondition.SourceContext = ens.SourceContext;
ens.ILOffset = invariant.ILOffset;
if (ens.SourceConditionText == null)
{
ens.SourceConditionText = invariant.SourceConditionText;
}
req.SourceContext = invariant.SourceContext;
req.Condition.SourceContext = req.SourceContext;
req.ILOffset = invariant.ILOffset;
if (req.SourceConditionText == null)
{
req.SourceConditionText = invariant.SourceConditionText;
}
}
private ChangePropertyInvariantIntoRequiresEnsures(ExtractorVisitor parent, Property autoProp)
: base(autoProp.DeclaringType.DeclaringModule, autoProp.DeclaringType)
{
this.autoProp = autoProp;
this.parent = parent;
}
