public FieldName(Model.Element elt, DafnyModel dm)
{
Field = elt;
NameArgs = new Model.Element[Dims];
var tpl = dm.f_dim.AppWithArg(0, elt);
if (tpl != null)
{
Dims = tpl.Result.AsInt();
NameArgs = new Model.Element[Dims];
for (int i = Dims; 0 <= --i;)
{
if (i == 0)
{
tpl = dm.f_index_field.AppWithResult(elt);
NameArgs[i] = tpl.Args[0];
}
else
{
tpl = dm.f_multi_index_field.AppWithResult(elt);
NameArgs[i] = tpl.Args[1];
elt = tpl.Args[0];
}
}
}
// now for the name
if (Dims == 0)
{
NameFormat = Field.ToString();
foreach (var n in Field.Names)
{
NameFormat = n.Func.Name;
int dot = NameFormat.LastIndexOf('.');
if (0 <= dot)
{
NameFormat = NameFormat.Substring(dot + 1);
}
break;
}
}
else
{
NameFormat = "[";
string sep = "";
for (int i = 0; i < Dims; i++)
{
NameFormat += sep + "%" + i;
sep = ",";
}
NameFormat += "]";
}
}
private static string ExtractValueFromModelElement(Model.Element Element)
{
if (Element is Model.BitVector)
{
return(((Model.BitVector)Element).Numeral);
}
else if (Element is Model.Uninterpreted)
{
return("<irrelevant>");
}
else if (Element == null)
{
return("<null>");
}
return(Element.ToString()); //"<unknown>";
}
// Elements (other than integers and Booleans) get canonical names of the form
// "<base>'<idx>", where <base> is returned by this function, and <idx> is given
// starting with 0, and incrementing when there are conflicts between bases.
//
// This function needs to return an appropriate base name for the element. It is given
// the element.
//
// A reasonable strategy is to check if it's a name of the local, and if so return it,
// and otherwise use the type of element (e.g., return "seq" for elements representing
// sequences). It is also possible to return "" in such cases.
//
// The suff output parameter specifies whether the number sequence suffix should be
// always added, only when it's non-zero, or never.
protected virtual string CanonicalBaseName(Model.Element elt, out NameSeqSuffix suff)
{
string res;
if (elt is Model.Integer || elt is Model.Boolean)
{
suff = NameSeqSuffix.None;
return(elt.ToString());
}
suff = NameSeqSuffix.Always;
if (UseLocalsForCanonicalNames)
{
if (localValue.TryGetValue(elt, out res))
{
return(res);
}
}
return("");
}
public FieldName(Model.Element elt, DafnyModel dm) {
Field = elt;
NameArgs = new Model.Element[Dims];
var tpl = dm.f_dim.AppWithArg(0, elt);
if (tpl != null) {
Dims = tpl.Result.AsInt();
NameArgs = new Model.Element[Dims];
for (int i = Dims; 0 <= --i; ) {
if (i == 0) {
tpl = dm.f_index_field.AppWithResult(elt);
NameArgs[i] = tpl.Args[0];
} else {
tpl = dm.f_multi_index_field.AppWithResult(elt);
NameArgs[i] = tpl.Args[1];
elt = tpl.Args[0];
}
}
}
// now for the name
if (Dims == 0) {
NameFormat = Field.ToString();
foreach (var n in Field.Names) {
NameFormat = n.Func.Name;
int dot = NameFormat.LastIndexOf('.');
if (0 <= dot)
NameFormat = NameFormat.Substring(dot + 1);
break;
}
} else {
NameFormat = "[";
string sep = "";
for (int i = 0; i < Dims; i++) {
NameFormat += sep + "%" + i;
sep = ",";
}
NameFormat += "]";
}
}