public ConstructorEmbedding(TypeEmbedder owner, UserSymbol conOrMap, Map <Term, Tuple <uint, UserSymbol> > sortIndices)
{
Contract.Requires(owner != null && conOrMap != null);
Contract.Requires(conOrMap.IsDataConstructor);
Constructor = conOrMap;
Owner = owner;
bool wasAdded;
Type = Index.MkApply(
conOrMap.Kind == SymbolKind.ConSymb ? ((ConSymb)conOrMap).SortSymbol : ((MapSymb)conOrMap).SortSymbol,
TermIndex.EmptyArgs,
out wasAdded);
var fldNames = new string[conOrMap.Arity];
var fldSorts = new Z3Sort[conOrMap.Arity];
var fldRefs = new uint[conOrMap.Arity];
IEnumerable <Field> flds;
if (conOrMap.Kind == SymbolKind.ConSymb)
{
flds = ((ConDecl)(conOrMap.Definitions.First().Node)).Fields;
}
else
{
var mapDecl = (MapDecl)(conOrMap.Definitions.First().Node);
flds = mapDecl.Dom.Concat(mapDecl.Cod);
}
int i = 0;
Tuple <uint, UserSymbol> sortData;
Term argType;
foreach (var f in flds)
{
argType = Index.GetCanonicalTerm(conOrMap, i);
fldNames[i] = string.Format("Get_{0}_{1}", conOrMap.FullName, string.IsNullOrEmpty(f.Name) ? i.ToString() : f.Name);
if (sortIndices.TryFindValue(argType, out sortData))
{
fldSorts[i] = null;
fldRefs[i] = sortData.Item1;
}
else
{
fldSorts[i] = owner.GetEmbedding(argType).Representation;
fldRefs[i] = 0;
}
++i;
}
Z3Constructor = Context.MkConstructor(conOrMap.FullName, "Is" + conOrMap.FullName, fldNames, fldSorts, fldRefs);
}
public UnionEmbedding(TypeEmbedder owner, Term unnType, Map <Term, Tuple <uint, UserSymbol> > sortIndices)
{
Contract.Requires(owner != null);
Owner = owner;
Name = string.Format("Unn_{0}", sortIndices[unnType].Item1);
Type = unnType;
CanonicalUnion = new AppFreeCanUnn(unnType);
var unn = CanonicalUnion;
Z3Con con;
LinkedList <ITypeEmbedding> intFacts, cnstFacts;
LinkedList <Z3Con> allConstructors = new LinkedList <Z3Con>();
owner.GetFactorizations(unnType, out intFacts, out cnstFacts);
foreach (var te in intFacts)
{
rngBoxings.Add(
te.Type,
con = Context.MkConstructor(
string.Format("Box_{0}_{1}", Name, te.Representation.Name),
string.Format("IsBox_{0}_{1}", Name, te.Representation.Name),
new string[] { string.Format("Unbox_{0}_{1}", Name, te.Representation.Name) },
new Z3Sort[] { te.Representation }));
allConstructors.AddLast(con);
}
foreach (var te in cnstFacts)
{
con = Context.MkConstructor(
string.Format("Box_{0}_{1}", Name, te.Representation.Name),
string.Format("IsBox_{0}_{1}", Name, te.Representation.Name),
new string[] { string.Format("Unbox_{0}_{1}", Name, te.Representation.Name) },
new Z3Sort[] { te.Representation });
allConstructors.AddLast(con);
foreach (var t in te.Type.Enumerate(x => x.Args))
{
if (t.Symbol.Arity == 0)
{
otherBoxings.Add(t.Symbol, con);
}
}
}
bool wasAdded;
foreach (var m in unn.NonRangeMembers)
{
if (m.Kind == SymbolKind.BaseSortSymb)
{
var te = Owner.GetEmbedding(Index.MkApply(m, TermIndex.EmptyArgs, out wasAdded));
otherBoxings.Add(
m,
con = Context.MkConstructor(
string.Format("Box_{0}_{1}", Name, te.Representation.Name),
string.Format("IsBox_{0}_{1}", Name, te.Representation.Name),
new string[] { string.Format("Unbox_{0}_{1}", Name, te.Representation.Name) },
new Z3Sort[] { te.Representation }));
allConstructors.AddLast(con);
}
else if (m.Kind == SymbolKind.UserSortSymb)
{
otherBoxings.Add(
m,
con = Context.MkConstructor(
string.Format("Box_{0}_{1}", Name, ((UserSortSymb)m).DataSymbol.FullName),
string.Format("IsBox_{0}_{1}", Name, ((UserSortSymb)m).DataSymbol.FullName),
new string[] { string.Format("Unbox_{0}_{1}", Name, ((UserSortSymb)m).DataSymbol.FullName) },
new Z3Sort[] { null },
new uint[] { sortIndices[Index.MkApply(m, TermIndex.EmptyArgs, out wasAdded)].Item1 }));
allConstructors.AddLast(con);
}
}
Boxers = allConstructors.ToArray(allConstructors.Count);
}